From 25f58f7e675a30f94b31da6be7d31bc38f68bda3 Mon Sep 17 00:00:00 2001 From: Jason Ly Date: Sun, 28 Dec 2025 21:04:36 -0500 Subject: [PATCH] Capture local project files before pull --- .clang-format | 18 + .gitignore | 21 + CMakeLists.txt | 188 ++++++ LICENSE | 22 + README.md | 57 -- compile_flags.txt | 16 + efswConfig.cmake.in | 10 + include/efsw/efsw.h | 197 ++++++ include/efsw/efsw.hpp | 267 ++++++++ premake4.lua | 215 ++++++ premake5.lua | 219 +++++++ project/build.reldbginfo.sh | 9 + project/qtcreator-linux/efsw.cflags | 1 + project/qtcreator-linux/efsw.config | 1 + project/qtcreator-linux/efsw.creator | 1 + project/qtcreator-linux/efsw.creator.user | 344 ++++++++++ project/qtcreator-linux/efsw.cxxflags | 1 + project/qtcreator-linux/efsw.files | 118 ++++ project/qtcreator-linux/efsw.includes | 2 + project/qtcreator-osx/efsw.cflags | 1 + project/qtcreator-osx/efsw.config | 3 + project/qtcreator-osx/efsw.creator | 1 + project/qtcreator-osx/efsw.creator.user | 253 ++++++++ project/qtcreator-osx/efsw.cxxflags | 1 + project/qtcreator-osx/efsw.files | 185 ++++++ project/qtcreator-osx/efsw.includes | 7 + project/qtcreator-win/efsw.cflags | 1 + project/qtcreator-win/efsw.config | 1 + project/qtcreator-win/efsw.creator | 1 + project/qtcreator-win/efsw.creator.user | 211 ++++++ project/qtcreator-win/efsw.cxxflags | 1 + project/qtcreator-win/efsw.files | 215 ++++++ project/qtcreator-win/efsw.includes | 2 + src/efsw/Atomic.hpp | 33 + src/efsw/Debug.cpp | 81 +++ src/efsw/Debug.hpp | 62 ++ src/efsw/DirWatcherGeneric.cpp | 388 +++++++++++ src/efsw/DirWatcherGeneric.hpp | 57 ++ src/efsw/DirectorySnapshot.cpp | 212 ++++++ src/efsw/DirectorySnapshot.hpp | 45 ++ src/efsw/DirectorySnapshotDiff.cpp | 22 + src/efsw/DirectorySnapshotDiff.hpp | 35 + src/efsw/FileInfo.cpp | 240 +++++++ src/efsw/FileInfo.hpp | 64 ++ src/efsw/FileSystem.cpp | 161 +++++ src/efsw/FileSystem.hpp | 43 ++ src/efsw/FileWatcher.cpp | 120 ++++ src/efsw/FileWatcherCWrapper.cpp | 139 ++++ src/efsw/FileWatcherFSEvents.cpp | 248 +++++++ src/efsw/FileWatcherFSEvents.hpp | 80 +++ src/efsw/FileWatcherGeneric.cpp | 158 +++++ src/efsw/FileWatcherGeneric.hpp | 61 ++ src/efsw/FileWatcherImpl.cpp | 34 + src/efsw/FileWatcherImpl.hpp | 64 ++ src/efsw/FileWatcherInotify.cpp | 654 +++++++++++++++++++ src/efsw/FileWatcherInotify.hpp | 87 +++ src/efsw/FileWatcherKqueue.cpp | 229 +++++++ src/efsw/FileWatcherKqueue.hpp | 81 +++ src/efsw/FileWatcherWin32.cpp | 267 ++++++++ src/efsw/FileWatcherWin32.hpp | 71 ++ src/efsw/Lock.hpp | 11 + src/efsw/Log.cpp | 49 ++ src/efsw/Mutex.hpp | 10 + src/efsw/String.cpp | 669 +++++++++++++++++++ src/efsw/String.hpp | 630 ++++++++++++++++++ src/efsw/System.cpp | 22 + src/efsw/System.hpp | 25 + src/efsw/Thread.hpp | 49 ++ src/efsw/Utf.hpp | 721 +++++++++++++++++++++ src/efsw/Utf.inl | 576 ++++++++++++++++ src/efsw/Watcher.cpp | 10 + src/efsw/Watcher.hpp | 29 + src/efsw/WatcherFSEvents.cpp | 223 +++++++ src/efsw/WatcherFSEvents.hpp | 89 +++ src/efsw/WatcherGeneric.cpp | 33 + src/efsw/WatcherGeneric.hpp | 29 + src/efsw/WatcherInotify.cpp | 21 + src/efsw/WatcherInotify.hpp | 24 + src/efsw/WatcherKqueue.cpp | 566 ++++++++++++++++ src/efsw/WatcherKqueue.hpp | 97 +++ src/efsw/WatcherWin32.cpp | 268 ++++++++ src/efsw/WatcherWin32.hpp | 79 +++ src/efsw/base.hpp | 129 ++++ src/efsw/platform/platformimpl.hpp | 16 + src/efsw/platform/posix/FileSystemImpl.cpp | 251 +++++++ src/efsw/platform/posix/FileSystemImpl.hpp | 30 + src/efsw/platform/posix/SystemImpl.cpp | 168 +++++ src/efsw/platform/posix/SystemImpl.hpp | 25 + src/efsw/platform/win/FileSystemImpl.cpp | 111 ++++ src/efsw/platform/win/FileSystemImpl.hpp | 31 + src/efsw/platform/win/SystemImpl.cpp | 46 ++ src/efsw/platform/win/SystemImpl.hpp | 25 + src/efsw/sophist.h | 147 +++++ src/test/efsw-test.c | 164 +++++ src/test/joomer-efsw-file-monitoring.cpp | 139 ++++ 95 files changed, 11781 insertions(+), 57 deletions(-) create mode 100644 .clang-format create mode 100644 .gitignore create mode 100644 CMakeLists.txt create mode 100644 LICENSE delete mode 100644 README.md create mode 100644 compile_flags.txt create mode 100644 efswConfig.cmake.in create mode 100644 include/efsw/efsw.h create mode 100644 include/efsw/efsw.hpp create mode 100644 premake4.lua create mode 100644 premake5.lua create mode 100644 project/build.reldbginfo.sh create mode 100644 project/qtcreator-linux/efsw.cflags create mode 100644 project/qtcreator-linux/efsw.config create mode 100644 project/qtcreator-linux/efsw.creator create mode 100644 project/qtcreator-linux/efsw.creator.user create mode 100644 project/qtcreator-linux/efsw.cxxflags create mode 100644 project/qtcreator-linux/efsw.files create mode 100644 project/qtcreator-linux/efsw.includes create mode 100644 project/qtcreator-osx/efsw.cflags create mode 100644 project/qtcreator-osx/efsw.config create mode 100644 project/qtcreator-osx/efsw.creator create mode 100644 project/qtcreator-osx/efsw.creator.user create mode 100644 project/qtcreator-osx/efsw.cxxflags create mode 100644 project/qtcreator-osx/efsw.files create mode 100644 project/qtcreator-osx/efsw.includes create mode 100644 project/qtcreator-win/efsw.cflags create mode 100644 project/qtcreator-win/efsw.config create mode 100644 project/qtcreator-win/efsw.creator create mode 100644 project/qtcreator-win/efsw.creator.user create mode 100644 project/qtcreator-win/efsw.cxxflags create mode 100644 project/qtcreator-win/efsw.files create mode 100644 project/qtcreator-win/efsw.includes create mode 100644 src/efsw/Atomic.hpp create mode 100644 src/efsw/Debug.cpp create mode 100644 src/efsw/Debug.hpp create mode 100644 src/efsw/DirWatcherGeneric.cpp create mode 100644 src/efsw/DirWatcherGeneric.hpp create mode 100644 src/efsw/DirectorySnapshot.cpp create mode 100644 src/efsw/DirectorySnapshot.hpp create mode 100644 src/efsw/DirectorySnapshotDiff.cpp create mode 100644 src/efsw/DirectorySnapshotDiff.hpp create mode 100644 src/efsw/FileInfo.cpp create mode 100644 src/efsw/FileInfo.hpp create mode 100644 src/efsw/FileSystem.cpp create mode 100644 src/efsw/FileSystem.hpp create mode 100644 src/efsw/FileWatcher.cpp create mode 100644 src/efsw/FileWatcherCWrapper.cpp create mode 100644 src/efsw/FileWatcherFSEvents.cpp create mode 100644 src/efsw/FileWatcherFSEvents.hpp create mode 100644 src/efsw/FileWatcherGeneric.cpp create mode 100644 src/efsw/FileWatcherGeneric.hpp create mode 100644 src/efsw/FileWatcherImpl.cpp create mode 100644 src/efsw/FileWatcherImpl.hpp create mode 100644 src/efsw/FileWatcherInotify.cpp create mode 100644 src/efsw/FileWatcherInotify.hpp create mode 100644 src/efsw/FileWatcherKqueue.cpp create mode 100644 src/efsw/FileWatcherKqueue.hpp create mode 100644 src/efsw/FileWatcherWin32.cpp create mode 100644 src/efsw/FileWatcherWin32.hpp create mode 100644 src/efsw/Lock.hpp create mode 100644 src/efsw/Log.cpp create mode 100644 src/efsw/Mutex.hpp create mode 100644 src/efsw/String.cpp create mode 100644 src/efsw/String.hpp create mode 100644 src/efsw/System.cpp create mode 100644 src/efsw/System.hpp create mode 100644 src/efsw/Thread.hpp create mode 100644 src/efsw/Utf.hpp create mode 100644 src/efsw/Utf.inl create mode 100644 src/efsw/Watcher.cpp create mode 100644 src/efsw/Watcher.hpp create mode 100644 src/efsw/WatcherFSEvents.cpp create mode 100644 src/efsw/WatcherFSEvents.hpp create mode 100644 src/efsw/WatcherGeneric.cpp create mode 100644 src/efsw/WatcherGeneric.hpp create mode 100644 src/efsw/WatcherInotify.cpp create mode 100644 src/efsw/WatcherInotify.hpp create mode 100644 src/efsw/WatcherKqueue.cpp create mode 100644 src/efsw/WatcherKqueue.hpp create mode 100644 src/efsw/WatcherWin32.cpp create mode 100644 src/efsw/WatcherWin32.hpp create mode 100644 src/efsw/base.hpp create mode 100644 src/efsw/platform/platformimpl.hpp create mode 100644 src/efsw/platform/posix/FileSystemImpl.cpp create mode 100644 src/efsw/platform/posix/FileSystemImpl.hpp create mode 100644 src/efsw/platform/posix/SystemImpl.cpp create mode 100644 src/efsw/platform/posix/SystemImpl.hpp create mode 100644 src/efsw/platform/win/FileSystemImpl.cpp create mode 100644 src/efsw/platform/win/FileSystemImpl.hpp create mode 100644 src/efsw/platform/win/SystemImpl.cpp create mode 100644 src/efsw/platform/win/SystemImpl.hpp create mode 100644 src/efsw/sophist.h create mode 100644 src/test/efsw-test.c create mode 100644 src/test/joomer-efsw-file-monitoring.cpp diff --git a/.clang-format b/.clang-format new file mode 100644 index 0000000..7a55b3d --- /dev/null +++ b/.clang-format @@ -0,0 +1,18 @@ +--- +AlignEscapedNewlines: Left +AllowAllConstructorInitializersOnNextLine: 'true' +AllowAllParametersOfDeclarationOnNextLine: 'true' +AllowShortFunctionsOnASingleLine: Inline +BreakConstructorInitializers: AfterColon +ColumnLimit: '100' +CompactNamespaces: 'true' +ConstructorInitializerAllOnOneLineOrOnePerLine: 'true' +ContinuationIndentWidth: '4' +IndentCaseLabels: 'true' +IndentWidth: '4' +PointerAlignment: Left +SpacesInParentheses: 'true' +TabWidth: '4' +UseTab: Always + +... diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..abba35d --- /dev/null +++ b/.gitignore @@ -0,0 +1,21 @@ +bin/ +build/ +obj/ +make/ +lib/ +CMakeFiles/ +/cmake +/CMakeCache.txt +/cmake_install.cmake +/Makefile +*.DS_Store +.qtc_clangd +.cmake +.vscode/ +*.so +*.a +*.dylib +*.lib +/.cache +/efsw-test +/efsw-test-stdc diff --git a/CMakeLists.txt b/CMakeLists.txt new file mode 100644 index 0000000..d7afe21 --- /dev/null +++ b/CMakeLists.txt @@ -0,0 +1,188 @@ +cmake_minimum_required(VERSION 3.27 FATAL_ERROR) + +project(efsw) + +set(CMAKE_POSITION_INDEPENDENT_CODE ON) +set(CMAKE_CXX_STANDARD 11) + +set(ESFW_MAIN_PROJECT OFF) + +if((CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR) AND(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME)) + set(ESFW_MAIN_PROJECT ON) +endif() + +include(GNUInstallDirs) + +find_package(Threads REQUIRED) + +option(VERBOSE "Build efsw with verbose mode.") +option(BUILD_SHARED_LIBS "Build efsw as a shared library" ON) +option(BUILD_STATIC_LIBS "Build efsw as a static library" ON) +option(BUILD_TEST_APP "Build the test app" ${ESFW_MAIN_PROJECT}) +option(EFSW_INSTALL "Add efsw install targets" ${ESFW_MAIN_PROJECT}) + +add_library(efsw) + +if(BUILD_STATIC_LIBS) + add_library(efsw-static STATIC) + + target_include_directories(efsw-static + PRIVATE src/ + PUBLIC + $ + $ + $ + ) +endif() + +set(EFSW_CPP_SOURCE + src/efsw/Debug.cpp + src/efsw/DirectorySnapshot.cpp + src/efsw/DirectorySnapshotDiff.cpp + src/efsw/DirWatcherGeneric.cpp + src/efsw/FileInfo.cpp + src/efsw/FileSystem.cpp + src/efsw/FileWatcher.cpp + src/efsw/FileWatcherCWrapper.cpp + src/efsw/FileWatcherGeneric.cpp + src/efsw/FileWatcherImpl.cpp + src/efsw/Log.cpp + src/efsw/String.cpp + src/efsw/System.cpp + src/efsw/Watcher.cpp + src/efsw/WatcherGeneric.cpp +) + +target_include_directories(efsw + PRIVATE src/ + PUBLIC + $ + $ + $ +) + +if(VERBOSE) + target_compile_definitions(efsw PRIVATE EFSW_VERBOSE) +endif() + +target_compile_features(efsw PRIVATE cxx_std_11) + +if(BUILD_SHARED_LIBS) + target_compile_definitions(efsw PRIVATE EFSW_DYNAMIC EFSW_EXPORTS) +endif() + +# platforms +if(WIN32) + list(APPEND EFSW_CPP_SOURCE + src/efsw/platform/win/FileSystemImpl.cpp + src/efsw/platform/win/SystemImpl.cpp + ) +else() + list(APPEND EFSW_CPP_SOURCE + src/efsw/platform/posix/FileSystemImpl.cpp + src/efsw/platform/posix/SystemImpl.cpp + ) +endif() + +# watcher implementations +if(APPLE) + list(APPEND EFSW_CPP_SOURCE + src/efsw/FileWatcherFSEvents.cpp + src/efsw/FileWatcherKqueue.cpp + src/efsw/WatcherFSEvents.cpp + src/efsw/WatcherKqueue.cpp + ) +elseif(WIN32) + list(APPEND EFSW_CPP_SOURCE + src/efsw/FileWatcherWin32.cpp + src/efsw/WatcherWin32.cpp + ) +elseif(${CMAKE_SYSTEM_NAME} MATCHES "Linux" OR + ${CMAKE_SYSTEM_NAME} MATCHES "Android") + list(APPEND EFSW_CPP_SOURCE + src/efsw/FileWatcherInotify.cpp + src/efsw/WatcherInotify.cpp + ) +elseif(${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD") + list(APPEND EFSW_CPP_SOURCE + src/efsw/FileWatcherKqueue.cpp + src/efsw/WatcherKqueue.cpp + ) +endif() + +if (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC" OR + (CMAKE_CXX_COMPILER_ID STREQUAL "Clang" AND CMAKE_CXX_SIMULATE_ID STREQUAL "MSVC")) + target_compile_definitions(efsw PRIVATE _SCL_SECURE_NO_WARNINGS) +else() + target_compile_options(efsw PRIVATE -Wall -Wno-long-long -fPIC) +endif() + +target_compile_definitions(efsw PRIVATE $,DEBUG,NDEBUG>) + +if(APPLE) + set(MAC_LIBS "-framework CoreFoundation" "-framework CoreServices") + target_link_libraries(efsw PRIVATE ${MAC_LIBS}) + if(BUILD_STATIC_LIBS) + target_link_libraries(efsw-static PRIVATE ${MAC_LIBS}) + endif() +elseif(NOT(${CMAKE_SYSTEM_NAME} MATCHES "Haiku") AND NOT WIN32) + target_link_libraries(efsw PRIVATE Threads::Threads) +endif() + +target_sources(efsw PRIVATE ${EFSW_CPP_SOURCE}) + +if(BUILD_STATIC_LIBS) + target_sources(efsw-static PRIVATE ${EFSW_CPP_SOURCE}) +endif() + +include(CMakePackageConfigHelpers) + +set(packageDestDir "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}") + +configure_package_config_file( + ${CMAKE_CURRENT_SOURCE_DIR}/efswConfig.cmake.in + ${CMAKE_CURRENT_BINARY_DIR}/cmake/efswConfig.cmake + INSTALL_DESTINATION "${packageDestDir}" + NO_SET_AND_CHECK_MACRO + NO_CHECK_REQUIRED_COMPONENTS_MACRO +) + +export(TARGETS efsw NAMESPACE efsw:: FILE ${CMAKE_CURRENT_BINARY_DIR}/cmake/${PROJECT_NAME}Targets.cmake) +if(BUILD_STATIC_LIBS) + export(TARGETS efsw-static NAMESPACE efsw:: APPEND FILE ${CMAKE_CURRENT_BINARY_DIR}/cmake/${PROJECT_NAME}Targets.cmake) +endif() + +if(EFSW_INSTALL) + install(TARGETS efsw EXPORT efswExport + LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} + ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} + RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} + ) + + install( + FILES + include/efsw/efsw.h include/efsw/efsw.hpp + DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/efsw + ) + + if(BUILD_STATIC_LIBS) + install(TARGETS efsw-static EXPORT efswExport + LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} + ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} + RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} + ) + endif() + + install(EXPORT efswExport NAMESPACE efsw:: DESTINATION "${packageDestDir}" FILE ${PROJECT_NAME}Targets.cmake) + install(FILES ${CMAKE_CURRENT_BINARY_DIR}/cmake/efswConfig.cmake DESTINATION "${packageDestDir}") +endif() + +if(BUILD_TEST_APP) + # C++ test application + add_executable(efsw-test src/test/efsw-test.cpp) + target_link_libraries(efsw-test efsw-static) + + # C test application + add_executable(efsw-test-stdc src/test/efsw-test.c) + target_link_libraries(efsw-test-stdc efsw-static) +endif() diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..37f354a --- /dev/null +++ b/LICENSE @@ -0,0 +1,22 @@ +Copyright (c) 2020 Martín Lucas Golini + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. + +This software is a fork of the "simplefilewatcher" by James Wynn (james@jameswynn.com) +http://code.google.com/p/simplefilewatcher/ also MIT licensed. diff --git a/README.md b/README.md deleted file mode 100644 index 0f12bcc..0000000 --- a/README.md +++ /dev/null @@ -1,57 +0,0 @@ -# joomer-efsw-file-monitoring -Watch folder for images and flip them - -# Demonstrates -- file monitoring - -# Usage - -``` -joomer-ftxui-file-monitoring -- drag and drop files into the path folder -``` - -[todo] - -# Build -``` -learndir/ -└── joomer-ftxui-file-monitoring/ - -``` - -- Download and Install Premake - -## Ubuntu Linux (kasm-ubuntu) -``` -mkdir learndir -cd learndir -git clone https://git.indoodle.com/jason/joomer-efsw-file-monitoring.git -cd joomer-ftxui-file-browser -make all -bin/Linux/release/joomer-ftxui-file-monitoring -``` - -## Windows (win10 enterprise) -- Download Visual Studio Community Edition 2022 -- Run VisualStudioSetup.exe -- Workload = [x] Desktop developemnt with C++ -- Individial components = [x] Git For Windows - -Run **x64 Native Tools Command Prompt for VS 2022** -``` -mkdir learndir -cd learndir -git clone https://git.indoodle.com/jason/joomer-ftxui-file-monitoring.git -cd joomer-ftxui-file-monitoring -msbuild joomer-ftxui-file-monitoring.vcxproj /t:Build /p:Configuration=Debug /p:Platform=x64 -bin\Debug\joomer-ftxui-file-monitoring.exe -``` - -For a prototype app we can just dump the stb headers right into the joomer-efsw-file-monitoring/src dir for simplicity -``` -curl -LO https://raw.githubusercontent.com/nothings/stb/master/stb_image.h -curl -LO https://raw.githubusercontent.com/nothings/stb/master/stb_image_write.h -make all -j4 -``` - diff --git a/compile_flags.txt b/compile_flags.txt new file mode 100644 index 0000000..d87aa27 --- /dev/null +++ b/compile_flags.txt @@ -0,0 +1,16 @@ +-Wno-documentation-unknown-command +-Wno-unknown-warning-option +-Wno-unknown-pragmas +-std=c++11 +-fsyntax-only +-Isrc +-Iinclude +-fmessage-length=0 +-fdiagnostics-show-note-include-stack +-fretain-comments-from-system-headers +-fmacro-backtrace-limit=0 +-ferror-limit=1000 +-Wall +-Wextra +-x +c++-header diff --git a/efswConfig.cmake.in b/efswConfig.cmake.in new file mode 100644 index 0000000..5340f33 --- /dev/null +++ b/efswConfig.cmake.in @@ -0,0 +1,10 @@ +# - Config file for the @CMAKE_PROJECT_NAME@ package + +@PACKAGE_INIT@ + +@DEPENDENCIES_SECTION@ +include(CMakeFindDependencyMacro) + +find_dependency(Threads) + +include("${CMAKE_CURRENT_LIST_DIR}/@PROJECT_NAME@Targets.cmake") diff --git a/include/efsw/efsw.h b/include/efsw/efsw.h new file mode 100644 index 0000000..56f24d0 --- /dev/null +++ b/include/efsw/efsw.h @@ -0,0 +1,197 @@ +/** + @author Sepul Sepehr Taghdisian + + Copyright (c) 2024 Martín Lucas Golini + + Permission is hereby granted, free of charge, to any person obtaining a copy + of this software and associated documentation files (the "Software"), to deal + in the Software without restriction, including without limitation the rights + to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + copies of the Software, and to permit persons to whom the Software is + furnished to do so, subject to the following conditions: + + The above copyright notice and this permission notice shall be included in + all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + THE SOFTWARE. + + This software is a fork of the "simplefilewatcher" by James Wynn (james@jameswynn.com) + http://code.google.com/p/simplefilewatcher/ also MIT licensed. +*/ +/** This is the C API wrapper of EFSW */ +#ifndef ESFW_H +#define ESFW_H + +#ifdef __cplusplus +extern "C" { +#endif + +#if defined( _WIN32 ) +#ifdef EFSW_DYNAMIC +// Windows platforms +#ifdef EFSW_EXPORTS +// From DLL side, we must export +#define EFSW_API __declspec( dllexport ) +#else +// From client application side, we must import +#define EFSW_API __declspec( dllimport ) +#endif +#else +// No specific directive needed for static build +#ifndef EFSW_API +#define EFSW_API +#endif +#endif +#else +#if ( __GNUC__ >= 4 ) && defined( EFSW_EXPORTS ) +#define EFSW_API __attribute__( ( visibility( "default" ) ) ) +#endif + +// Other platforms don't need to define anything +#ifndef EFSW_API +#define EFSW_API +#endif +#endif + +/// Type for a watch id +typedef long efsw_watchid; + +/// Type for watcher +typedef void* efsw_watcher; + +enum efsw_action { + EFSW_ADD = 1, /// Sent when a file is created or renamed + EFSW_DELETE = 2, /// Sent when a file is deleted or renamed + EFSW_MODIFIED = 3, /// Sent when a file is modified + EFSW_MOVED = 4 /// Sent when a file is moved +}; + +enum efsw_error { + EFSW_NOTFOUND = -1, + EFSW_REPEATED = -2, + EFSW_OUTOFSCOPE = -3, + EFSW_NOTREADABLE = -4, + EFSW_REMOTE = -5, + EFSW_WATCHER_FAILED = -6, + EFSW_UNSPECIFIED = -7 +}; + +enum efsw_option { + /// For Windows, the default buffer size of 63*1024 bytes sometimes is not enough and + /// file system events may be dropped. For that, using a different (bigger) buffer size + /// can be defined here, but note that this does not work for network drives, + /// because a buffer larger than 64K will fail the folder being watched, see + /// http://msdn.microsoft.com/en-us/library/windows/desktop/aa365465(v=vs.85).aspx) + EFSW_OPT_WIN_BUFFER_SIZE = 1, + /// For Windows, per default all events are captured but we might only be interested + /// in a subset; the value of the option should be set to a bitwise or'ed set of + /// FILE_NOTIFY_CHANGE_* flags. + EFSW_OPT_WIN_NOTIFY_FILTER = 2, + /// For macOS (FSEvents backend), per default all modified event types are capture but we might + // only be interested in a subset; the value of the option should be set to a set of bitwise + // from: + // kFSEventStreamEventFlagItemFinderInfoMod + // kFSEventStreamEventFlagItemModified + // kFSEventStreamEventFlagItemInodeMetaMod + // Default configuration will set the 3 flags + EFSW_OPT_MAC_MODIFIED_FILTER = 3, + /// macOS sometimes informs incorrect or old file states that may confuse the consumer + /// The events sanitizer will try to sanitize incorrectly reported events in favor of reducing + /// the number of events reported. This will have an small performance and memory impact as a + /// consequence. + EFSW_OPT_MAC_SANITIZE_EVENTS = 4, + /// Linux does not support natively recursive watchers. This means that when using recursive + /// watches efsw registers new watchers for each directory. If new file are created between + /// the time efsw takes to register the new directory those events might be missed. To avoid + /// missing new file notifications efsw will trigger synthetic new file events for existing + /// files in the new directroy watched. This might have the unintended consequence of sending + /// duplicated created events due to the system also emitting this event. + LINUX_PRODUCE_SYNTHETIC_EVENTS = 5, +}; + +/// Basic interface for listening for file events. +typedef void ( *efsw_pfn_fileaction_callback )( efsw_watcher watcher, efsw_watchid watchid, + const char* dir, const char* filename, + enum efsw_action action, const char* old_filename, + void* param ); + +typedef void ( *efsw_pfn_handle_missed_fileactions )( efsw_watcher watcher, efsw_watchid watchid, + const char* dir ); + +typedef struct { + enum efsw_option option; + int value; +} efsw_watcher_option; + +/** + * Creates a new file-watcher + * @param generic_mode Force the use of the Generic file watcher + */ +efsw_watcher EFSW_API efsw_create( int generic_mode ); + +/// Release the file-watcher and unwatch any directories +void EFSW_API efsw_release( efsw_watcher watcher ); + +/// Retrieve last error occured by file-watcher +EFSW_API const char* efsw_getlasterror(); + +/// Reset file-watcher last error +EFSW_API void efsw_clearlasterror(); + +/// Add a directory watch +/// On error returns WatchID with Error type. +efsw_watchid EFSW_API efsw_addwatch( efsw_watcher watcher, const char* directory, + efsw_pfn_fileaction_callback callback_fn, int recursive, + void* param ); + +/// Add a directory watch, specifying options +/// @param options Pointer to an array of watcher options +/// @param nr_options Number of options referenced by \p options +efsw_watchid EFSW_API efsw_addwatch_withoptions( + efsw_watcher watcher, const char* directory, efsw_pfn_fileaction_callback callback_fn, + int recursive, efsw_watcher_option* options, int options_number, void* param, + efsw_pfn_handle_missed_fileactions callback_fn_missed_file_actions ); + +/// Remove a directory watch. This is a brute force search O(nlogn). +void EFSW_API efsw_removewatch( efsw_watcher watcher, const char* directory ); + +/// Remove a directory watch. This is a map lookup O(logn). +void EFSW_API efsw_removewatch_byid( efsw_watcher watcher, efsw_watchid watchid ); + +/// Starts watching ( in other thread ) +void EFSW_API efsw_watch( efsw_watcher watcher ); + +/** + * Allow recursive watchers to follow symbolic links to other directories + * followSymlinks is disabled by default + */ +void EFSW_API efsw_follow_symlinks( efsw_watcher watcher, int enable ); + +/** @return If can follow symbolic links to directorioes */ +int EFSW_API efsw_follow_symlinks_isenabled( efsw_watcher watcher ); + +/** + * When enable this it will allow symlinks to watch recursively out of the pointed directory. + * follorSymlinks must be enabled to this work. + * For example, added symlink to /home/folder, and the symlink points to /, this by default is not + * allowed, it's only allowed to symlink anything from /home/ and deeper. This is to avoid great + * levels of recursion. Enabling this could lead in infinite recursion, and crash the watcher ( it + * will try not to avoid this ). Buy enabling out of scope links, it will allow this behavior. + * allowOutOfScopeLinks are disabled by default. + */ +void EFSW_API efsw_allow_outofscopelinks( efsw_watcher watcher, int allow ); + +/// @return Returns if out of scope links are allowed +int EFSW_API efsw_outofscopelinks_isallowed( efsw_watcher watcher ); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/include/efsw/efsw.hpp b/include/efsw/efsw.hpp new file mode 100644 index 0000000..60d0029 --- /dev/null +++ b/include/efsw/efsw.hpp @@ -0,0 +1,267 @@ +/** + @author Martín Lucas Golini + + Copyright (c) 2024 Martín Lucas Golini + + Permission is hereby granted, free of charge, to any person obtaining a copy + of this software and associated documentation files (the "Software"), to deal + in the Software without restriction, including without limitation the rights + to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + copies of the Software, and to permit persons to whom the Software is + furnished to do so, subject to the following conditions: + + The above copyright notice and this permission notice shall be included in + all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + THE SOFTWARE. + + This software is a fork of the "simplefilewatcher" by James Wynn (james@jameswynn.com) + http://code.google.com/p/simplefilewatcher/ also MIT licensed. +*/ + +#ifndef ESFW_HPP +#define ESFW_HPP + +#include +#include + +#if defined( _WIN32 ) +#ifdef EFSW_DYNAMIC +// Windows platforms +#ifdef EFSW_EXPORTS +// From DLL side, we must export +#define EFSW_API __declspec( dllexport ) +#else +// From client application side, we must import +#define EFSW_API __declspec( dllimport ) +#endif +#else +// No specific directive needed for static build +#ifndef EFSW_API +#define EFSW_API +#endif +#endif +#else +#if ( __GNUC__ >= 4 ) && defined( EFSW_EXPORTS ) +#ifndef EFSW_API +#define EFSW_API __attribute__( ( visibility( "default" ) ) ) +#endif +#endif + +// Other platforms don't need to define anything +#ifndef EFSW_API +#define EFSW_API +#endif +#endif + +namespace efsw { + +/// Type for a watch id +typedef long WatchID; + +// forward declarations +class FileWatcherImpl; +class FileWatchListener; +class WatcherOption; + +/// Actions to listen for. Rename will send two events, one for +/// the deletion of the old file, and one for the creation of the +/// new file. +namespace Actions { +enum Action { + /// Sent when a file is created or renamed + Add = 1, + /// Sent when a file is deleted or renamed + Delete = 2, + /// Sent when a file is modified + Modified = 3, + /// Sent when a file is moved + Moved = 4 +}; +} +typedef Actions::Action Action; + +/// Errors log namespace +namespace Errors { + +enum Error { + NoError = 0, + FileNotFound = -1, + FileRepeated = -2, + FileOutOfScope = -3, + FileNotReadable = -4, + /// Directory in remote file system + /// ( create a generic FileWatcher instance to watch this directory ). + FileRemote = -5, + /// File system watcher failed to watch for changes. + WatcherFailed = -6, + Unspecified = -7 +}; + +class EFSW_API Log { + public: + /// @return The last error logged + static std::string getLastErrorLog(); + + /// @return The code of the last error logged + static Error getLastErrorCode(); + + /// Reset last error + static void clearLastError(); + + /// Creates an error of the type specified + static Error createLastError( Error err, std::string log ); +}; + +} // namespace Errors +typedef Errors::Error Error; + +/// Optional file watcher settings. +namespace Options { +enum Option { + /// For Windows, the default buffer size of 63*1024 bytes sometimes is not enough and + /// file system events may be dropped. For that, using a different (bigger) buffer size + /// can be defined here, but note that this does not work for network drives, + /// because a buffer larger than 64K will fail the folder being watched, see + /// http://msdn.microsoft.com/en-us/library/windows/desktop/aa365465(v=vs.85).aspx) + WinBufferSize = 1, + /// For Windows, per default all events are captured but we might only be interested + /// in a subset; the value of the option should be set to a bitwise or'ed set of + /// FILE_NOTIFY_CHANGE_* flags. + WinNotifyFilter = 2, + /// For macOS (FSEvents backend), per default all modified event types are capture but we might + /// only be interested in a subset; the value of the option should be set to a set of bitwise + /// from: + /// kFSEventStreamEventFlagItemFinderInfoMod + /// kFSEventStreamEventFlagItemModified + /// kFSEventStreamEventFlagItemInodeMetaMod + /// Default configuration will set the 3 flags + MacModifiedFilter = 3, + /// macOS sometimes informs incorrect or old file states that may confuse the consumer + /// The events sanitizer will try to sanitize incorrectly reported events in favor of reducing + /// the number of events reported. This will have an small performance and memory impact as a + /// consequence. + MacSanitizeEvents = 4, + /// Linux does not support natively recursive watchers. This means that when using recursive + /// watches efsw registers new watchers for each directory. If new file are created between + /// the time efsw takes to register the new directory those events might be missed. To avoid + /// missing new file notifications efsw will trigger synthetic created file events for existing + /// files in the new directroy watched. This might have the unintended consequence of sending + /// duplicated created events due to the system also emitting this event. + LinuxProduceSyntheticEvents = 5, +}; +} +typedef Options::Option Option; + +/// Listens to files and directories and dispatches events +/// to notify the listener of files and directories changes. +/// @class FileWatcher +class EFSW_API FileWatcher { + public: + /// Default constructor, will use the default platform file watcher + FileWatcher(); + + /// Constructor that lets you force the use of the Generic File Watcher + explicit FileWatcher( bool useGenericFileWatcher ); + + virtual ~FileWatcher(); + + /// Add a directory watch. Same as the other addWatch, but doesn't have recursive option. + /// For backwards compatibility. + /// On error returns WatchID with Error type. + WatchID addWatch( const std::string& directory, FileWatchListener* watcher ); + + /// Add a directory watch + /// On error returns WatchID with Error type. + WatchID addWatch( const std::string& directory, FileWatchListener* watcher, bool recursive ); + + /// Add a directory watch, allowing customization with options + /// @param directory The folder to be watched + /// @param watcher The listener to receive events + /// @param recursive Set this to true to include subdirectories + /// @param options Allows customization of a watcher + /// @return Returns the watch id for the directory or, on error, a WatchID with Error type. + WatchID addWatch( const std::string& directory, FileWatchListener* watcher, bool recursive, + const std::vector& options ); + + /// Remove a directory watch. This is a brute force search O(nlogn). + void removeWatch( const std::string& directory ); + + /// Remove a directory watch. This is a map lookup O(logn). + void removeWatch( WatchID watchid ); + + /// Starts watching ( in other thread ) + void watch(); + + /// @return Returns a list of the directories that are being watched + std::vector directories(); + + /** Allow recursive watchers to follow symbolic links to other directories + * followSymlinks is disabled by default + */ + void followSymlinks( bool follow ); + + /** @return If can follow symbolic links to directorioes */ + const bool& followSymlinks() const; + + /** When enable this it will allow symlinks to watch recursively out of the pointed directory. + * follorSymlinks must be enabled to this work. + * For example, added symlink to /home/folder, and the symlink points to /, this by default is + * not allowed, it's only allowed to symlink anything from /home/ and deeper. This is to avoid + * great levels of recursion. Enabling this could lead in infinite recursion, and crash the + * watcher ( it will try not to avoid this ). Buy enabling out of scope links, it will allow + * this behavior. allowOutOfScopeLinks are disabled by default. + */ + void allowOutOfScopeLinks( bool allow ); + + /// @return Returns if out of scope links are allowed + const bool& allowOutOfScopeLinks() const; + + private: + /// The implementation + FileWatcherImpl* mImpl; + bool mFollowSymlinks; + bool mOutOfScopeLinks; +}; + +/// Basic interface for listening for file events. +/// @class FileWatchListener +class FileWatchListener { + public: + virtual ~FileWatchListener() {} + + /// Handles the action file action + /// @param watchid The watch id for the directory + /// @param dir The directory + /// @param filename The filename that was accessed (not full path) + /// @param action Action that was performed + /// @param oldFilename The name of the file or directory moved + virtual void handleFileAction( WatchID watchid, const std::string& dir, + const std::string& filename, Action action, + std::string oldFilename = "" ) = 0; + + /// Handles that have missed file actions + /// @param watchid The watch id for the directory + /// @param dir The directory + virtual void handleMissedFileActions( WatchID /*watchid*/, + const std::string& /*dir*/ ) {} +}; + +/// Optional, typically platform specific parameter for customization of a watcher. +/// @class WatcherOption +class WatcherOption { + public: + WatcherOption( Option option, int value ) : mOption( option ), mValue( value ){}; + Option mOption; + int mValue; +}; + +} // namespace efsw + +#endif diff --git a/premake4.lua b/premake4.lua new file mode 100644 index 0000000..9aa0482 --- /dev/null +++ b/premake4.lua @@ -0,0 +1,215 @@ +newoption { trigger = "verbose", description = "Build efsw with verbose mode." } +newoption { trigger = "strip-symbols", description = "Strip debugging symbols in other file ( only for relwithdbginfo configuration )." } +newoption { trigger = "thread-sanitizer", description ="Compile with ThreadSanitizer." } +newoption { trigger = "address-sanitizer", description ="Compile with AddressSanitizer." } + +efsw_major_version = "1" +efsw_minor_version = "5" +efsw_patch_version = "0" +efsw_version = efsw_major_version .. "." .. efsw_minor_version .. "." .. efsw_patch_version + +function string.starts(String,Start) + if ( _ACTION ) then + return string.sub(String,1,string.len(Start))==Start + end + + return false +end + +function is_vs() + return ( string.starts(_ACTION,"vs") ) +end + +function conf_warnings() + if not is_vs() then + buildoptions{ "-Wall -Wno-long-long" } + + if not os.is("windows") then + buildoptions{ "-fPIC" } + end + else + defines { "_SCL_SECURE_NO_WARNINGS" } + end + + if _OPTIONS["thread-sanitizer"] then + buildoptions { "-fsanitize=thread" } + linkoptions { "-fsanitize=thread" } + if not os.is("macosx") then + links { "tsan" } + end + end + + if _OPTIONS["address-sanitizer"] then + buildoptions { "-fsanitize=address" } + linkoptions { "-fsanitize=address" } + if not os.is("macosx") then + links { "asan" } + end + end +end + +function conf_links() + if not os.is("windows") and not os.is("haiku") then + links { "pthread" } + end + + if os.is("macosx") then + links { "CoreFoundation.framework", "CoreServices.framework" } + end +end + +function conf_excludes() + if os.is("windows") then + excludes { "src/efsw/WatcherKqueue.cpp", "src/efsw/WatcherFSEvents.cpp", "src/efsw/WatcherInotify.cpp", "src/efsw/FileWatcherKqueue.cpp", "src/efsw/FileWatcherInotify.cpp", "src/efsw/FileWatcherFSEvents.cpp" } + elseif os.is("linux") then + excludes { "src/efsw/WatcherKqueue.cpp", "src/efsw/WatcherFSEvents.cpp", "src/efsw/WatcherWin32.cpp", "src/efsw/FileWatcherKqueue.cpp", "src/efsw/FileWatcherWin32.cpp", "src/efsw/FileWatcherFSEvents.cpp" } + elseif os.is("macosx") then + excludes { "src/efsw/WatcherInotify.cpp", "src/efsw/WatcherWin32.cpp", "src/efsw/FileWatcherInotify.cpp", "src/efsw/FileWatcherWin32.cpp" } + elseif os.is("freebsd") then + excludes { "src/efsw/WatcherInotify.cpp", "src/efsw/WatcherWin32.cpp", "src/efsw/WatcherFSEvents.cpp", "src/efsw/FileWatcherInotify.cpp", "src/efsw/FileWatcherWin32.cpp", "src/efsw/FileWatcherFSEvents.cpp" } + end +end + +solution "efsw" + location("./make/" .. os.get() .. "/") + targetdir("./bin") + configurations { "debug", "release", "relwithdbginfo" } + + if os.is("windows") then + osfiles = "src/efsw/platform/win/*.cpp" + else + osfiles = "src/efsw/platform/posix/*.cpp" + end + + -- Activates verbose mode + if _OPTIONS["verbose"] then + defines { "EFSW_VERBOSE" } + end + + if not is_vs() then + buildoptions { "-std=c++11" } + end + + if os.is("macosx") then + -- Premake 4.4 needed for this + if not string.match(_PREMAKE_VERSION, "^4.[123]") then + local ver = os.getversion(); + + if not ( ver.majorversion >= 10 and ver.minorversion >= 5 ) then + defines { "EFSW_FSEVENTS_NOT_SUPPORTED" } + end + end + end + + objdir("obj/" .. os.get() .. "/") + + project "efsw-static-lib" + kind "StaticLib" + language "C++" + targetdir("./lib") + includedirs { "include", "src" } + files { "src/efsw/*.cpp", osfiles } + conf_excludes() + + configuration "debug" + defines { "DEBUG" } + flags { "Symbols" } + targetname "efsw-static-debug" + conf_warnings() + + configuration "release" + defines { "NDEBUG" } + flags { "Optimize" } + targetname "efsw-static-release" + conf_warnings() + + configuration "relwithdbginfo" + defines { "NDEBUG" } + flags { "Optimize", "Symbols" } + targetname "efsw-static-reldbginfo" + conf_warnings() + + project "efsw-test" + kind "ConsoleApp" + language "C++" + links { "efsw-static-lib" } + files { "src/test/*.cpp" } + includedirs { "include", "src" } + conf_links() + + configuration "debug" + defines { "DEBUG" } + flags { "Symbols" } + targetname "efsw-test-debug" + conf_warnings() + + configuration "release" + defines { "NDEBUG" } + flags { "Optimize" } + targetname "efsw-test-release" + conf_warnings() + + configuration "relwithdbginfo" + defines { "NDEBUG" } + flags { "Optimize", "Symbols" } + targetname "efsw-test-reldbginfo" + conf_warnings() + + project "efsw-test-stdc" + kind "ConsoleApp" + language "C" + links { "efsw-shared-lib" } + files { "src/test/*.c" } + includedirs { "include", "src" } + conf_links() + + configuration "debug" + defines { "DEBUG" } + flags { "Symbols" } + targetname "efsw-test-stdc-debug" + conf_warnings() + + configuration "release" + defines { "NDEBUG" } + flags { "Optimize" } + targetname "efsw-test-stdc-release" + conf_warnings() + + configuration "relwithdbginfo" + defines { "NDEBUG" } + flags { "Optimize", "Symbols" } + targetname "efsw-test-stdc-reldbginfo" + conf_warnings() + + project "efsw-shared-lib" + kind "SharedLib" + language "C++" + targetdir("./lib") + includedirs { "include", "src" } + files { "src/efsw/*.cpp", osfiles } + defines { "EFSW_DYNAMIC", "EFSW_EXPORTS" } + conf_excludes() + conf_links() + + configuration "debug" + defines { "DEBUG" } + flags { "Symbols" } + targetname "efsw-debug" + conf_warnings() + + configuration "release" + defines { "NDEBUG" } + flags { "Optimize" } + targetname "efsw" + conf_warnings() + + configuration "relwithdbginfo" + defines { "NDEBUG" } + flags { "Optimize", "Symbols" } + targetname "efsw" + conf_warnings() + + if os.is("linux") or os.is("bsd") or os.is("haiku") then + targetextension ( ".so." .. efsw_version ) + postbuildcommands { "sh ../../project/build.reldbginfo.sh " .. efsw_major_version .. " " .. efsw_minor_version .. " " .. efsw_patch_version .. " " .. iif( _OPTIONS["strip-symbols"], "strip-symbols", "" ) } + end diff --git a/premake5.lua b/premake5.lua new file mode 100644 index 0000000..56d4009 --- /dev/null +++ b/premake5.lua @@ -0,0 +1,219 @@ +newoption { trigger = "verbose", description = "Build efsw with verbose mode." } +newoption { trigger = "strip-symbols", description = "Strip debugging symbols in other file ( only for relwithdbginfo configuration )." } +newoption { trigger = "thread-sanitizer", description ="Compile with ThreadSanitizer." } +newoption { trigger = "address-sanitizer", description ="Compile with AddressSanitizer." } + +efsw_major_version = "1" +efsw_minor_version = "5" +efsw_patch_version = "0" +efsw_version = efsw_major_version .. "." .. efsw_minor_version .. "." .. efsw_patch_version + +function string.starts(String,Start) + if ( _ACTION ) then + return string.sub(String,1,string.len(Start))==Start + end + + return false +end + +function is_vs() + return ( string.starts(_ACTION,"vs") ) +end + +function conf_warnings() + if not is_vs() then + buildoptions{ "-Wall -Wno-long-long" } + + if not os.istarget("windows") then + buildoptions{ "-fPIC" } + end + else + defines { "_SCL_SECURE_NO_WARNINGS" } + end + + if _OPTIONS["thread-sanitizer"] then + buildoptions { "-fsanitize=thread" } + linkoptions { "-fsanitize=thread" } + if not os.istarget("macosx") then + links { "tsan" } + end + end + + if _OPTIONS["address-sanitizer"] then + buildoptions { "-fsanitize=address" } + linkoptions { "-fsanitize=address" } + if not os.istarget("macosx") then + links { "asan" } + end + end +end + +function conf_links() + if not os.istarget("windows") and not os.istarget("haiku") then + links { "pthread" } + end + + if os.istarget("macosx") then + links { "CoreFoundation.framework", "CoreServices.framework" } + end +end + +function conf_excludes() + if os.istarget("windows") then + excludes { "src/efsw/WatcherKqueue.cpp", "src/efsw/WatcherFSEvents.cpp", "src/efsw/WatcherInotify.cpp", "src/efsw/FileWatcherKqueue.cpp", "src/efsw/FileWatcherInotify.cpp", "src/efsw/FileWatcherFSEvents.cpp" } + elseif os.istarget("linux") then + excludes { "src/efsw/WatcherKqueue.cpp", "src/efsw/WatcherFSEvents.cpp", "src/efsw/WatcherWin32.cpp", "src/efsw/FileWatcherKqueue.cpp", "src/efsw/FileWatcherWin32.cpp", "src/efsw/FileWatcherFSEvents.cpp" } + elseif os.istarget("macosx") then + excludes { "src/efsw/WatcherInotify.cpp", "src/efsw/WatcherWin32.cpp", "src/efsw/FileWatcherInotify.cpp", "src/efsw/FileWatcherWin32.cpp" } + elseif os.istarget("bsd") then + excludes { "src/efsw/WatcherInotify.cpp", "src/efsw/WatcherWin32.cpp", "src/efsw/WatcherFSEvents.cpp", "src/efsw/FileWatcherInotify.cpp", "src/efsw/FileWatcherWin32.cpp", "src/efsw/FileWatcherFSEvents.cpp" } + end +end + +workspace "efsw" + location("./make/" .. os.target() .. "/") + targetdir("./bin") + configurations { "debug", "release", "relwithdbginfo" } + platforms { "x86_64", "x86", "ARM", "ARM64" } + + if os.istarget("windows") then + osfiles = "src/efsw/platform/win/*.cpp" + else + osfiles = "src/efsw/platform/posix/*.cpp" + end + + -- Activates verbose mode + if _OPTIONS["verbose"] then + defines { "EFSW_VERBOSE" } + end + + cppdialect "C++11" + + objdir("obj/" .. os.target() .. "/") + + filter "platforms:x86" + architecture "x86" + + filter "platforms:x86_64" + architecture "x86_64" + + filter "platforms:arm" + architecture "ARM" + + filter "platforms:arm64" + architecture "ARM64" + + project "efsw-static-lib" + kind "StaticLib" + language "C++" + targetdir("./lib") + includedirs { "include", "src" } + files { "src/efsw/*.cpp", osfiles } + conf_excludes() + + filter "configurations:debug" + defines { "DEBUG" } + symbols "On" + targetname "efsw-static-debug" + conf_warnings() + + filter "configurations:release" + defines { "NDEBUG" } + optimize "On" + targetname "efsw-static-release" + conf_warnings() + + filter "configurations:relwithdbginfo" + defines { "NDEBUG" } + symbols "On" + optimize "On" + targetname "efsw-static-reldbginfo" + conf_warnings() + + project "efsw-test" + kind "ConsoleApp" + language "C++" + links { "efsw-static-lib" } + files { "src/test/*.cpp" } + includedirs { "include", "src" } + conf_links() + + filter "configurations:debug" + defines { "DEBUG" } + symbols "On" + targetname "efsw-test-debug" + conf_warnings() + + filter "configurations:release" + defines { "NDEBUG" } + optimize "On" + targetname "efsw-test-release" + conf_warnings() + + filter "configurations:relwithdbginfo" + defines { "NDEBUG" } + symbols "On" + optimize "On" + targetname "efsw-test-reldbginfo" + conf_warnings() + + project "efsw-test-stdc" + kind "ConsoleApp" + language "C" + links { "efsw-shared-lib" } + files { "src/test/*.c" } + includedirs { "include", "src" } + conf_links() + + filter "configurations:debug" + defines { "DEBUG" } + symbols "On" + targetname "efsw-test-stdc-debug" + conf_warnings() + + filter "configurations:release" + defines { "NDEBUG" } + optimize "On" + targetname "efsw-test-stdc-release" + conf_warnings() + + filter "configurations:relwithdbginfo" + defines { "NDEBUG" } + symbols "On" + optimize "On" + targetname "efsw-test-stdc-reldbginfo" + conf_warnings() + + project "efsw-shared-lib" + kind "SharedLib" + language "C++" + targetdir("./lib") + includedirs { "include", "src" } + files { "src/efsw/*.cpp", osfiles } + defines { "EFSW_DYNAMIC", "EFSW_EXPORTS" } + conf_excludes() + conf_links() + + filter "configurations:debug" + defines { "DEBUG" } + symbols "On" + targetname "efsw-debug" + conf_warnings() + + filter "configurations:release" + defines { "NDEBUG" } + optimize "On" + targetname "efsw" + conf_warnings() + + filter "configurations:relwithdbginfo" + defines { "NDEBUG" } + symbols "On" + optimize "On" + targetname "efsw" + conf_warnings() + + if os.istarget("linux") or os.istarget("bsd") or os.istarget("haiku") then + targetextension ( ".so." .. efsw_version ) + postbuildcommands { "sh ../../project/build.reldbginfo.sh " .. efsw_major_version .. " " .. efsw_minor_version .. " " .. efsw_patch_version .. " " .. iif( _OPTIONS["strip-symbols"], "strip-symbols", "" ) } + end diff --git a/project/build.reldbginfo.sh b/project/build.reldbginfo.sh new file mode 100644 index 0000000..5ec272b --- /dev/null +++ b/project/build.reldbginfo.sh @@ -0,0 +1,9 @@ +#!/bin/sh +cd ../../lib +ln -fs libefsw.so.$1.$2.$3 libefsw.so.$1 +ln -fs libefsw.so.$1 libefsw.so + +if [ "$4" == "strip-symbols" ]; then + objcopy --only-keep-debug libefsw.so.$1.$2.$3 libefsw.debug + objcopy --strip-debug libefsw.so.$1.$2.$3 +fi diff --git a/project/qtcreator-linux/efsw.cflags b/project/qtcreator-linux/efsw.cflags new file mode 100644 index 0000000..5905d6d --- /dev/null +++ b/project/qtcreator-linux/efsw.cflags @@ -0,0 +1 @@ +-std=c11 diff --git a/project/qtcreator-linux/efsw.config b/project/qtcreator-linux/efsw.config new file mode 100644 index 0000000..8cec188 --- /dev/null +++ b/project/qtcreator-linux/efsw.config @@ -0,0 +1 @@ +// ADD PREDEFINED MACROS HERE! diff --git a/project/qtcreator-linux/efsw.creator b/project/qtcreator-linux/efsw.creator new file mode 100644 index 0000000..e94cbbd --- /dev/null +++ b/project/qtcreator-linux/efsw.creator @@ -0,0 +1 @@ +[General] diff --git a/project/qtcreator-linux/efsw.creator.user b/project/qtcreator-linux/efsw.creator.user new file mode 100644 index 0000000..0bcd422 --- /dev/null +++ b/project/qtcreator-linux/efsw.creator.user @@ -0,0 +1,344 @@ + + + + + + EnvironmentId + {d43f4693-30c1-436c-b1d1-498aab2c2f8c} + + + ProjectExplorer.Project.ActiveTarget + 0 + + + ProjectExplorer.Project.EditorSettings + + true + false + true + + Cpp + + CppGlobal + + + + QmlJS + + QmlJSGlobal + + + + Nim + + NimGlobal + + + 3 + UTF-8 + false + 4 + false + 80 + true + true + 1 + false + true + false + 0 + true + true + 0 + 8 + true + false + 1 + true + true + true + *.md, *.MD, Makefile + false + true + true + + + + ProjectExplorer.Project.PluginSettings + + + true + false + true + true + true + true + + + 0 + true + + true + Builtin.BuildSystem + + false + false + + 0 + + + + true + + false + + + + true + + true + + + + + ProjectExplorer.Project.Target.0 + + Desktop + Desktop + Desktop + {6d057187-158a-4883-8d5b-d470a6b6b025} + 1 + 0 + 0 + + ../../make/linux + + + true + gmake2 + premake5 + %{buildDir}../../../ + ProjectExplorer.ProcessStep + + + -j24 -e config=release_x86_64 + make + true + GenericProjectManager.GenericMakeStep + + 2 + Build + Build + ProjectExplorer.BuildSteps.Build + + + + + clean + + -e config=release_x86_64 + true + GenericProjectManager.GenericMakeStep + + 1 + Clean + Clean + ProjectExplorer.BuildSteps.Clean + + 2 + false + + false + + release + GenericProjectManager.GenericBuildConfiguration + + + ../../make/linux + + + true + --thread-sanitizer --verbose gmake2 + premake5 + %{buildDir}../../../ + ProjectExplorer.ProcessStep + + + -j24 + make + true + GenericProjectManager.GenericMakeStep + + 2 + Build + Build + ProjectExplorer.BuildSteps.Build + + + + + clean + + -e config=debug_x86_64 + true + GenericProjectManager.GenericMakeStep + + 1 + Clean + Clean + ProjectExplorer.BuildSteps.Clean + + 2 + false + + false + + debug + GenericProjectManager.GenericBuildConfiguration + + + ../../make/linux + + + true + gmake2 + premake5 + %{buildDir}../../../ + ProjectExplorer.ProcessStep + + + -e config=relwithdbginfo_x86_64 + make + true + GenericProjectManager.GenericMakeStep + + 2 + Build + Build + ProjectExplorer.BuildSteps.Build + + + + + clean + + -e config=relwithdbginfo_x86_64 + true + GenericProjectManager.GenericMakeStep + + 1 + Clean + Clean + ProjectExplorer.BuildSteps.Clean + + 2 + false + + false + + relwithdbginfo + GenericProjectManager.GenericBuildConfiguration + + 3 + + + 0 + Deploy + Deploy + ProjectExplorer.BuildSteps.Deploy + + 1 + + false + ProjectExplorer.DefaultDeployConfiguration + + 1 + + dwarf + + cpu-cycles + + -F + true + 0 + true + true + + 2 + + %{buildDir}/../../bin/efsw-test-debug + debug + ProjectExplorer.CustomExecutableRunConfiguration + + /home/programming/thebricks/fe/ + true + false + false + true + true + %{buildDir}../../../ + + + dwarf + + cpu-cycles + + -F + true + 0 + true + true + + 2 + + %{buildDir}../../../bin/efsw-test-release + release + ProjectExplorer.CustomExecutableRunConfiguration + + true + false + false + true + true + %{buildDir}../../../ + + + dwarf + + cpu-cycles + + -F + true + 0 + true + true + + 2 + + %{buildDir}../../../bin/efsw-test-dbginfo + reldbginfo + ProjectExplorer.CustomExecutableRunConfiguration + + true + false + false + true + true + %{buildDir}../../../ + + 3 + + + + ProjectExplorer.Project.TargetCount + 1 + + + ProjectExplorer.Project.Updater.FileVersion + 22 + + + Version + 22 + + diff --git a/project/qtcreator-linux/efsw.cxxflags b/project/qtcreator-linux/efsw.cxxflags new file mode 100644 index 0000000..c24e3b5 --- /dev/null +++ b/project/qtcreator-linux/efsw.cxxflags @@ -0,0 +1 @@ +-std=c++11 diff --git a/project/qtcreator-linux/efsw.files b/project/qtcreator-linux/efsw.files new file mode 100644 index 0000000..2eb9989 --- /dev/null +++ b/project/qtcreator-linux/efsw.files @@ -0,0 +1,118 @@ +../../CMakeLists.txt +../../include/efsw/efsw.hpp +../../premake5.lua +../../src/efsw/Atomic.hpp +../../src/efsw/FileWatcher.cpp +../../src/efsw/FileWatcherInotify.cpp +../../src/efsw/FileWatcherKqueue.cpp +../../src/efsw/FileWatcherWin32.cpp +../../src/efsw/FileWatcherWin32.hpp +../../src/efsw/FileWatcherKqueue.hpp +../../src/efsw/FileWatcherInotify.hpp +../../src/efsw/FileWatcherImpl.hpp +../../src/efsw/FileWatcherWin32.cpp +../../src/efsw/FileWatcherKqueue.cpp +../../src/efsw/FileWatcherInotify.cpp +../../src/efsw/FileWatcher.cpp +../../src/efsw/Thread.cpp +../../src/efsw/Mutex.cpp +../../src/efsw/System.cpp +../../src/efsw/platform/platformimpl.hpp +../../src/efsw/platform/posix/ThreadImpl.hpp +../../src/efsw/platform/posix/MutexImpl.hpp +../../src/efsw/platform/posix/SystemImpl.hpp +../../src/efsw/platform/posix/ThreadImpl.cpp +../../src/efsw/platform/posix/MutexImpl.cpp +../../src/efsw/platform/posix/SystemImpl.cpp +../../src/efsw/platform/win/ThreadImpl.hpp +../../src/efsw/platform/win/MutexImpl.hpp +../../src/efsw/platform/win/SystemImpl.hpp +../../src/efsw/platform/win/ThreadImpl.cpp +../../src/efsw/platform/win/MutexImpl.cpp +../../src/efsw/platform/win/SystemImpl.cpp +../../src/efsw/base.hpp +../../src/efsw/FileWatcherGeneric.hpp +../../src/efsw/FileWatcherGeneric.cpp +../../src/efsw/FileSystem.cpp +../../src/efsw/platform/posix/FileSystemImpl.hpp +../../src/efsw/platform/posix/FileSystemImpl.cpp +../../src/efsw/platform/win/FileSystemImpl.hpp +../../src/efsw/platform/win/FileSystemImpl.cpp +../../src/efsw/FileInfo.cpp +../../src/efsw/base.hpp +../../src/efsw/Thread.hpp +../../src/efsw/System.hpp +../../src/efsw/Mutex.hpp +../../src/efsw/FileWatcherWin32.hpp +../../src/efsw/FileWatcherKqueue.hpp +../../src/efsw/FileWatcherInotify.hpp +../../src/efsw/FileWatcherImpl.hpp +../../src/efsw/FileWatcherGeneric.hpp +../../src/efsw/FileSystem.hpp +../../src/efsw/FileInfo.hpp +../../src/efsw/Thread.cpp +../../src/efsw/System.cpp +../../src/efsw/Mutex.cpp +../../src/efsw/FileWatcherWin32.cpp +../../src/efsw/FileWatcherKqueue.cpp +../../src/efsw/FileWatcherInotify.cpp +../../src/efsw/FileWatcherGeneric.cpp +../../src/efsw/FileWatcher.cpp +../../src/efsw/FileSystem.cpp +../../src/efsw/FileInfo.cpp +../../src/efsw/sophist.h +../../src/efsw/base.hpp +../../src/efsw/Utf.hpp +../../src/efsw/Thread.hpp +../../src/efsw/System.hpp +../../src/efsw/String.hpp +../../src/efsw/Mutex.hpp +../../src/efsw/FileWatcherWin32.hpp +../../src/efsw/FileWatcherKqueue.hpp +../../src/efsw/FileWatcherInotify.hpp +../../src/efsw/FileWatcherImpl.hpp +../../src/efsw/FileWatcherGeneric.hpp +../../src/efsw/FileSystem.hpp +../../src/efsw/FileInfo.hpp +../../src/efsw/Utf.inl +../../src/efsw/Thread.cpp +../../src/efsw/System.cpp +../../src/efsw/String.cpp +../../src/efsw/Mutex.cpp +../../src/efsw/FileWatcherWin32.cpp +../../src/efsw/FileWatcherKqueue.cpp +../../src/efsw/FileWatcherInotify.cpp +../../src/efsw/FileWatcherGeneric.cpp +../../src/efsw/FileWatcher.cpp +../../src/efsw/FileSystem.cpp +../../src/efsw/FileInfo.cpp +../../src/test/efsw-test.cpp +../../premake4.lua +../../src/efsw/WatcherKqueue.hpp +../../src/efsw/WatcherKqueue.cpp +../../src/efsw/Debug.hpp +../../src/efsw/Debug.cpp +../../src/efsw/WatcherGeneric.hpp +../../src/efsw/WatcherGeneric.cpp +../../src/efsw/DirWatcherGeneric.hpp +../../src/efsw/DirWatcherGeneric.cpp +../../src/efsw/Log.cpp +../../src/efsw/WatcherInotify.hpp +../../src/efsw/WatcherInotify.cpp +../../src/efsw/FileWatcherImpl.cpp +../../src/efsw/DirectorySnapshot.hpp +../../src/efsw/DirectorySnapshot.cpp +../../src/efsw/DirectorySnapshotDiff.hpp +../../src/efsw/DirectorySnapshotDiff.cpp +../../src/efsw/WatcherFSEvents.hpp +../../src/efsw/FileWatcherFSEvents.hpp +../../src/efsw/WatcherFSEvents.cpp +../../src/efsw/FileWatcherFSEvents.cpp +../../src/efsw/Watcher.hpp +../../src/efsw/Watcher.cpp +../../src/efsw/WatcherWin32.hpp +../../src/efsw/WatcherWin32.cpp +../../README.md +../../include/efsw/efsw.h +../../src/efsw/FileWatcherCWrapper.cpp +../../src/efsw/inotify-nosys.h diff --git a/project/qtcreator-linux/efsw.includes b/project/qtcreator-linux/efsw.includes new file mode 100644 index 0000000..1ab792a --- /dev/null +++ b/project/qtcreator-linux/efsw.includes @@ -0,0 +1,2 @@ +../../include +../../src diff --git a/project/qtcreator-osx/efsw.cflags b/project/qtcreator-osx/efsw.cflags new file mode 100644 index 0000000..68d5165 --- /dev/null +++ b/project/qtcreator-osx/efsw.cflags @@ -0,0 +1 @@ +-std=c17 \ No newline at end of file diff --git a/project/qtcreator-osx/efsw.config b/project/qtcreator-osx/efsw.config new file mode 100644 index 0000000..685bb2d --- /dev/null +++ b/project/qtcreator-osx/efsw.config @@ -0,0 +1,3 @@ +// ADD PREDEFINED MACROS HERE! +#define EFSW_FSEVENTS_SUPPORTED +#define EFSW_USE_CXX11 diff --git a/project/qtcreator-osx/efsw.creator b/project/qtcreator-osx/efsw.creator new file mode 100644 index 0000000..e94cbbd --- /dev/null +++ b/project/qtcreator-osx/efsw.creator @@ -0,0 +1 @@ +[General] diff --git a/project/qtcreator-osx/efsw.creator.user b/project/qtcreator-osx/efsw.creator.user new file mode 100644 index 0000000..c1e8795 --- /dev/null +++ b/project/qtcreator-osx/efsw.creator.user @@ -0,0 +1,253 @@ + + + + + + EnvironmentId + {49267ae2-f136-4b84-8041-cf11a20f6a32} + + + ProjectExplorer.Project.ActiveTarget + 0 + + + ProjectExplorer.Project.EditorSettings + + true + false + true + + Cpp + + CppGlobal + + + + QmlJS + + QmlJSGlobal + + + 2 + UTF-8 + false + 4 + true + 80 + true + true + 1 + 0 + false + true + false + 0 + true + true + 0 + 8 + true + false + 1 + true + true + true + *.md, *.MD, Makefile + false + true + true + + + + ProjectExplorer.Project.PluginSettings + + + true + false + true + true + true + true + + + 0 + true + + true + + true + true + Builtin.DefaultTidyAndClazy + 4 + false + + + + true + + + + + ProjectExplorer.Project.Target.0 + + Desktop + Desktop (arm-darwin-generic-mach_o-64bit) + Desktop (arm-darwin-generic-mach_o-64bit) + {6d6b6d62-1e99-4e76-b5e2-cf731a0dbd92} + 0 + 0 + 0 + + ../../make/macosx/ + + + true + --file=../../premake4.lua --thread-sanitizer --verbose gmake + /usr/local/bin/premake4 + %{buildDir} + ProjectExplorer.ProcessStep + + + -j4 + true + GenericProjectManager.GenericMakeStep + + 2 + Build + Build + ProjectExplorer.BuildSteps.Build + + + + + clean + + true + GenericProjectManager.GenericMakeStep + + 1 + Clean + Clean + ProjectExplorer.BuildSteps.Clean + + 2 + false + + false + + debug + GenericProjectManager.GenericBuildConfiguration + + + ../../make/macosx/ + + + true + --file=../../premake4.lua gmake + /usr/local/bin/premake4 + %{buildDir} + ProjectExplorer.ProcessStep + + + -j4 config=release + true + GenericProjectManager.GenericMakeStep + + 2 + Build + Build + ProjectExplorer.BuildSteps.Build + + + + + clean + + config=release + true + GenericProjectManager.GenericMakeStep + + 1 + Clean + Clean + ProjectExplorer.BuildSteps.Clean + + 2 + false + + false + + release + GenericProjectManager.GenericBuildConfiguration + + 2 + + + 0 + Deploy + Deploy + ProjectExplorer.BuildSteps.Deploy + + 1 + + false + ProjectExplorer.DefaultDeployConfiguration + + 1 + + true + 0 + true + true + + 2 + + false + /Users/prognoz/programming/efsw/bin/efsw-test-debug + debug + ProjectExplorer.CustomExecutableRunConfiguration + + true + 0 + false + 1 + false + false + %{buildDir}/../../bin + + + true + 0 + true + true + + 2 + + false + efsw-test + release + ProjectExplorer.CustomExecutableRunConfiguration + + false + 1 + false + true + false + %{buildDir}/../../bin/ + + 2 + + + + ProjectExplorer.Project.TargetCount + 1 + + + ProjectExplorer.Project.Updater.FileVersion + 22 + + + Version + 22 + + diff --git a/project/qtcreator-osx/efsw.cxxflags b/project/qtcreator-osx/efsw.cxxflags new file mode 100644 index 0000000..6435dfc --- /dev/null +++ b/project/qtcreator-osx/efsw.cxxflags @@ -0,0 +1 @@ +-std=c++17 \ No newline at end of file diff --git a/project/qtcreator-osx/efsw.files b/project/qtcreator-osx/efsw.files new file mode 100644 index 0000000..0ab369f --- /dev/null +++ b/project/qtcreator-osx/efsw.files @@ -0,0 +1,185 @@ +../../include/efsw/efsw.hpp +../../src/efsw/FileWatcher.cpp +../../src/efsw/FileWatcherInotify.cpp +../../src/efsw/FileWatcherKqueue.cpp +../../src/efsw/FileWatcherWin32.cpp +../../src/efsw/FileWatcherWin32.hpp +../../src/efsw/FileWatcherKqueue.hpp +../../src/efsw/FileWatcherInotify.hpp +../../src/efsw/FileWatcherImpl.hpp +../../src/efsw/FileWatcherWin32.cpp +../../src/efsw/FileWatcherKqueue.cpp +../../src/efsw/FileWatcherInotify.cpp +../../src/efsw/FileWatcher.cpp +../../src/efsw/Thread.cpp +../../src/efsw/Mutex.cpp +../../src/efsw/System.cpp +../../src/efsw/platform/platformimpl.hpp +../../src/efsw/platform/posix/ThreadImpl.hpp +../../src/efsw/platform/posix/MutexImpl.hpp +../../src/efsw/platform/posix/SystemImpl.hpp +../../src/efsw/platform/posix/ThreadImpl.cpp +../../src/efsw/platform/posix/MutexImpl.cpp +../../src/efsw/platform/posix/SystemImpl.cpp +../../src/efsw/platform/win/ThreadImpl.hpp +../../src/efsw/platform/win/MutexImpl.hpp +../../src/efsw/platform/win/SystemImpl.hpp +../../src/efsw/platform/win/ThreadImpl.cpp +../../src/efsw/platform/win/MutexImpl.cpp +../../src/efsw/platform/win/SystemImpl.cpp +../../src/efsw/base.hpp +../../src/efsw/FileWatcherGeneric.hpp +../../src/efsw/FileWatcherGeneric.cpp +../../src/efsw/FileSystem.cpp +../../src/efsw/platform/posix/FileSystemImpl.hpp +../../src/efsw/platform/posix/FileSystemImpl.cpp +../../src/efsw/platform/win/FileSystemImpl.hpp +../../src/efsw/platform/win/FileSystemImpl.cpp +../../src/efsw/FileInfo.cpp +../../src/efsw/base.hpp +../../src/efsw/Thread.hpp +../../src/efsw/System.hpp +../../src/efsw/Mutex.hpp +../../src/efsw/FileWatcherWin32.hpp +../../src/efsw/FileWatcherKqueue.hpp +../../src/efsw/FileWatcherInotify.hpp +../../src/efsw/FileWatcherImpl.hpp +../../src/efsw/FileWatcherGeneric.hpp +../../src/efsw/FileSystem.hpp +../../src/efsw/FileInfo.hpp +../../src/efsw/Thread.cpp +../../src/efsw/System.cpp +../../src/efsw/Mutex.cpp +../../src/efsw/FileWatcherWin32.cpp +../../src/efsw/FileWatcherKqueue.cpp +../../src/efsw/FileWatcherInotify.cpp +../../src/efsw/FileWatcherGeneric.cpp +../../src/efsw/FileWatcher.cpp +../../src/efsw/FileSystem.cpp +../../src/efsw/FileInfo.cpp +../../src/efsw/sophist.h +../../src/efsw/base.hpp +../../src/efsw/Utf.hpp +../../src/efsw/Thread.hpp +../../src/efsw/System.hpp +../../src/efsw/String.hpp +../../src/efsw/Mutex.hpp +../../src/efsw/FileWatcherWin32.hpp +../../src/efsw/FileWatcherKqueue.hpp +../../src/efsw/FileWatcherInotify.hpp +../../src/efsw/FileWatcherImpl.hpp +../../src/efsw/FileWatcherGeneric.hpp +../../src/efsw/FileSystem.hpp +../../src/efsw/FileInfo.hpp +../../src/efsw/Utf.inl +../../src/efsw/Thread.cpp +../../src/efsw/System.cpp +../../src/efsw/String.cpp +../../src/efsw/Mutex.cpp +../../src/efsw/FileWatcherWin32.cpp +../../src/efsw/FileWatcherKqueue.cpp +../../src/efsw/FileWatcherInotify.cpp +../../src/efsw/FileWatcherGeneric.cpp +../../src/efsw/FileWatcher.cpp +../../src/efsw/FileSystem.cpp +../../src/efsw/FileInfo.cpp +../../src/test/efsw-test.cpp +../../premake4.lua +../../src/efsw/WatcherKqueue.hpp +../../src/efsw/WatcherKqueue.cpp +../../src/efsw/WatcherKqueue.hpp +../../src/efsw/WatcherInotify.hpp +../../src/efsw/WatcherGeneric.hpp +../../src/efsw/Utf.hpp +../../src/efsw/Thread.hpp +../../src/efsw/System.hpp +../../src/efsw/String.hpp +../../src/efsw/sophist.h +../../src/efsw/Mutex.hpp +../../src/efsw/FileWatcherWin32.hpp +../../src/efsw/FileWatcherKqueue.hpp +../../src/efsw/FileWatcherInotify.hpp +../../src/efsw/FileWatcherImpl.hpp +../../src/efsw/FileWatcherGeneric.hpp +../../src/efsw/FileSystem.hpp +../../src/efsw/FileInfo.hpp +../../src/efsw/DirWatcherGeneric.hpp +../../src/efsw/Debug.hpp +../../src/efsw/base.hpp +../../src/efsw/WatcherKqueue.cpp +../../src/efsw/WatcherInotify.cpp +../../src/efsw/WatcherGeneric.cpp +../../src/efsw/Utf.inl +../../src/efsw/Thread.cpp +../../src/efsw/System.cpp +../../src/efsw/String.cpp +../../src/efsw/Mutex.cpp +../../src/efsw/Log.cpp +../../src/efsw/FileWatcherWin32.cpp +../../src/efsw/FileWatcherKqueue.cpp +../../src/efsw/FileWatcherInotify.cpp +../../src/efsw/FileWatcherGeneric.cpp +../../src/efsw/FileWatcher.cpp +../../src/efsw/FileSystem.cpp +../../src/efsw/FileInfo.cpp +../../src/efsw/DirWatcherGeneric.cpp +../../src/efsw/Debug.cpp +../../src/efsw/FileWatcherImpl.cpp +../../src/efsw/DirectorySnapshotDiff.hpp +../../src/efsw/DirectorySnapshot.hpp +../../src/efsw/DirectorySnapshotDiff.cpp +../../src/efsw/DirectorySnapshot.cpp +../../src/efsw/WatcherFSEvents.hpp +../../src/efsw/FileWatcherFSEvents.hpp +../../src/efsw/WatcherFSEvents.cpp +../../src/efsw/FileWatcherFSEvents.cpp +../../src/efsw/WatcherWin32.hpp +../../src/efsw/WatcherKqueue.hpp +../../src/efsw/WatcherInotify.hpp +../../src/efsw/WatcherGeneric.hpp +../../src/efsw/WatcherFSEvents.hpp +../../src/efsw/Watcher.hpp +../../src/efsw/Utf.hpp +../../src/efsw/Thread.hpp +../../src/efsw/System.hpp +../../src/efsw/String.hpp +../../src/efsw/sophist.h +../../src/efsw/Mutex.hpp +../../src/efsw/FileWatcherWin32.hpp +../../src/efsw/FileWatcherKqueue.hpp +../../src/efsw/FileWatcherInotify.hpp +../../src/efsw/FileWatcherImpl.hpp +../../src/efsw/FileWatcherGeneric.hpp +../../src/efsw/FileWatcherFSEvents.hpp +../../src/efsw/FileSystem.hpp +../../src/efsw/FileInfo.hpp +../../src/efsw/DirWatcherGeneric.hpp +../../src/efsw/DirectorySnapshotDiff.hpp +../../src/efsw/DirectorySnapshot.hpp +../../src/efsw/Debug.hpp +../../src/efsw/base.hpp +../../src/efsw/WatcherWin32.cpp +../../src/efsw/WatcherKqueue.cpp +../../src/efsw/WatcherInotify.cpp +../../src/efsw/WatcherGeneric.cpp +../../src/efsw/WatcherFSEvents.cpp +../../src/efsw/Watcher.cpp +../../src/efsw/Utf.inl +../../src/efsw/Thread.cpp +../../src/efsw/System.cpp +../../src/efsw/String.cpp +../../src/efsw/Mutex.cpp +../../src/efsw/Log.cpp +../../src/efsw/FileWatcherWin32.cpp +../../src/efsw/FileWatcherKqueue.cpp +../../src/efsw/FileWatcherInotify.cpp +../../src/efsw/FileWatcherImpl.cpp +../../src/efsw/FileWatcherGeneric.cpp +../../src/efsw/FileWatcherFSEvents.cpp +../../src/efsw/FileWatcher.cpp +../../src/efsw/FileSystem.cpp +../../src/efsw/FileInfo.cpp +../../src/efsw/DirWatcherGeneric.cpp +../../src/efsw/DirectorySnapshotDiff.cpp +../../src/efsw/DirectorySnapshot.cpp +../../src/efsw/Debug.cpp diff --git a/project/qtcreator-osx/efsw.includes b/project/qtcreator-osx/efsw.includes new file mode 100644 index 0000000..1f6e72e --- /dev/null +++ b/project/qtcreator-osx/efsw.includes @@ -0,0 +1,7 @@ +../../src +../../include +/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1 +/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/12.0.0/include +/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include +/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include +/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/System/Library/Frameworks diff --git a/project/qtcreator-win/efsw.cflags b/project/qtcreator-win/efsw.cflags new file mode 100644 index 0000000..68d5165 --- /dev/null +++ b/project/qtcreator-win/efsw.cflags @@ -0,0 +1 @@ +-std=c17 \ No newline at end of file diff --git a/project/qtcreator-win/efsw.config b/project/qtcreator-win/efsw.config new file mode 100644 index 0000000..8cec188 --- /dev/null +++ b/project/qtcreator-win/efsw.config @@ -0,0 +1 @@ +// ADD PREDEFINED MACROS HERE! diff --git a/project/qtcreator-win/efsw.creator b/project/qtcreator-win/efsw.creator new file mode 100644 index 0000000..e94cbbd --- /dev/null +++ b/project/qtcreator-win/efsw.creator @@ -0,0 +1 @@ +[General] diff --git a/project/qtcreator-win/efsw.creator.user b/project/qtcreator-win/efsw.creator.user new file mode 100644 index 0000000..c214882 --- /dev/null +++ b/project/qtcreator-win/efsw.creator.user @@ -0,0 +1,211 @@ + + + + + + EnvironmentId + {55fc4913-4acc-49e6-b0d5-ebf25d4d498e} + + + ProjectExplorer.Project.ActiveTarget + 0 + + + ProjectExplorer.Project.EditorSettings + + true + false + true + + Cpp + + CppGlobal + + + + QmlJS + + QmlJSGlobal + + + 2 + UTF-8 + false + 4 + false + 80 + true + true + 1 + true + false + 0 + true + true + 0 + 8 + true + 1 + true + true + true + false + + + + ProjectExplorer.Project.PluginSettings + + + + ProjectExplorer.Project.Target.0 + + Desktop + Desktop + {eb5b6178-a7a7-439e-ab01-e63b057196a1} + 0 + 0 + 0 + + C:\programming\efsw\make\windows + + + + all + + false + + + false + true + Make + + GenericProjectManager.GenericMakeStep + + 1 + Build + + ProjectExplorer.BuildSteps.Build + + + + + clean + + true + + + false + true + Make + + GenericProjectManager.GenericMakeStep + + 1 + Clean + + ProjectExplorer.BuildSteps.Clean + + 2 + false + + Default + Default + GenericProjectManager.GenericBuildConfiguration + + 1 + + + 0 + Deploy + + ProjectExplorer.BuildSteps.Deploy + + 1 + Deploy locally + + ProjectExplorer.DefaultDeployConfiguration + + 1 + + + dwarf + + cpu-cycles + + + 250 + -F + true + 4096 + false + false + 1000 + + true + + false + false + false + false + true + 0.01 + 10 + true + kcachegrind + 1 + 25 + + 1 + true + false + true + valgrind + + 0 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 + 11 + 12 + 13 + 14 + + 2 + + %{buildDir}\..\..\bin\efsw-test-debug.exe + Run C:\programming\efsw\bin\efsw-test-debug.exe + + ProjectExplorer.CustomExecutableRunConfiguration + + 3768 + false + true + false + false + true + %{buildDir} + + + 1 + + + + ProjectExplorer.Project.TargetCount + 1 + + + ProjectExplorer.Project.Updater.FileVersion + 22 + + + Version + 22 + + diff --git a/project/qtcreator-win/efsw.cxxflags b/project/qtcreator-win/efsw.cxxflags new file mode 100644 index 0000000..6435dfc --- /dev/null +++ b/project/qtcreator-win/efsw.cxxflags @@ -0,0 +1 @@ +-std=c++17 \ No newline at end of file diff --git a/project/qtcreator-win/efsw.files b/project/qtcreator-win/efsw.files new file mode 100644 index 0000000..8df262e --- /dev/null +++ b/project/qtcreator-win/efsw.files @@ -0,0 +1,215 @@ +../../include/efsw/efsw.hpp +../../premake5.lua +../../src/efsw/FileWatcher.cpp +../../src/efsw/FileWatcherInotify.cpp +../../src/efsw/FileWatcherKqueue.cpp +../../src/efsw/FileWatcherWin32.cpp +../../src/efsw/FileWatcherWin32.hpp +../../src/efsw/FileWatcherKqueue.hpp +../../src/efsw/FileWatcherInotify.hpp +../../src/efsw/FileWatcherImpl.hpp +../../src/efsw/FileWatcherWin32.cpp +../../src/efsw/FileWatcherKqueue.cpp +../../src/efsw/FileWatcherInotify.cpp +../../src/efsw/FileWatcher.cpp +../../src/efsw/Thread.cpp +../../src/efsw/Mutex.cpp +../../src/efsw/System.cpp +../../src/efsw/platform/platformimpl.hpp +../../src/efsw/platform/posix/ThreadImpl.hpp +../../src/efsw/platform/posix/MutexImpl.hpp +../../src/efsw/platform/posix/SystemImpl.hpp +../../src/efsw/platform/posix/ThreadImpl.cpp +../../src/efsw/platform/posix/MutexImpl.cpp +../../src/efsw/platform/posix/SystemImpl.cpp +../../src/efsw/platform/win/ThreadImpl.hpp +../../src/efsw/platform/win/MutexImpl.hpp +../../src/efsw/platform/win/SystemImpl.hpp +../../src/efsw/platform/win/ThreadImpl.cpp +../../src/efsw/platform/win/MutexImpl.cpp +../../src/efsw/platform/win/SystemImpl.cpp +../../src/efsw/base.hpp +../../src/efsw/FileWatcherGeneric.hpp +../../src/efsw/FileWatcherGeneric.cpp +../../src/efsw/FileSystem.cpp +../../src/efsw/platform/posix/FileSystemImpl.hpp +../../src/efsw/platform/posix/FileSystemImpl.cpp +../../src/efsw/platform/win/FileSystemImpl.hpp +../../src/efsw/platform/win/FileSystemImpl.cpp +../../src/efsw/FileInfo.cpp +../../src/efsw/base.hpp +../../src/efsw/Thread.hpp +../../src/efsw/System.hpp +../../src/efsw/Mutex.hpp +../../src/efsw/FileWatcherWin32.hpp +../../src/efsw/FileWatcherKqueue.hpp +../../src/efsw/FileWatcherInotify.hpp +../../src/efsw/FileWatcherImpl.hpp +../../src/efsw/FileWatcherGeneric.hpp +../../src/efsw/FileSystem.hpp +../../src/efsw/FileInfo.hpp +../../src/efsw/Thread.cpp +../../src/efsw/System.cpp +../../src/efsw/Mutex.cpp +../../src/efsw/FileWatcherWin32.cpp +../../src/efsw/FileWatcherKqueue.cpp +../../src/efsw/FileWatcherInotify.cpp +../../src/efsw/FileWatcherGeneric.cpp +../../src/efsw/FileWatcher.cpp +../../src/efsw/FileSystem.cpp +../../src/efsw/FileInfo.cpp +../../src/efsw/sophist.h +../../src/efsw/base.hpp +../../src/efsw/Utf.hpp +../../src/efsw/Thread.hpp +../../src/efsw/System.hpp +../../src/efsw/String.hpp +../../src/efsw/Mutex.hpp +../../src/efsw/FileWatcherWin32.hpp +../../src/efsw/FileWatcherKqueue.hpp +../../src/efsw/FileWatcherInotify.hpp +../../src/efsw/FileWatcherImpl.hpp +../../src/efsw/FileWatcherGeneric.hpp +../../src/efsw/FileSystem.hpp +../../src/efsw/FileInfo.hpp +../../src/efsw/Utf.inl +../../src/efsw/Thread.cpp +../../src/efsw/System.cpp +../../src/efsw/String.cpp +../../src/efsw/Mutex.cpp +../../src/efsw/FileWatcherWin32.cpp +../../src/efsw/FileWatcherKqueue.cpp +../../src/efsw/FileWatcherInotify.cpp +../../src/efsw/FileWatcherGeneric.cpp +../../src/efsw/FileWatcher.cpp +../../src/efsw/FileSystem.cpp +../../src/efsw/FileInfo.cpp +../../src/test/efsw-test.cpp +../../src/efsw/WatcherKqueue.hpp +../../src/efsw/WatcherInotify.hpp +../../src/efsw/WatcherGeneric.hpp +../../src/efsw/Utf.hpp +../../src/efsw/Thread.hpp +../../src/efsw/System.hpp +../../src/efsw/String.hpp +../../src/efsw/Mutex.hpp +../../src/efsw/FileWatcherWin32.hpp +../../src/efsw/FileWatcherKqueue.hpp +../../src/efsw/FileWatcherInotify.hpp +../../src/efsw/FileWatcherImpl.hpp +../../src/efsw/FileWatcherGeneric.hpp +../../src/efsw/FileSystem.hpp +../../src/efsw/FileInfo.hpp +../../src/efsw/DirWatcherGeneric.hpp +../../src/efsw/Debug.hpp +../../src/efsw/base.hpp +../../src/efsw/sophist.h +../../src/efsw/Utf.inl +../../src/efsw/WatcherKqueue.cpp +../../src/efsw/WatcherInotify.cpp +../../src/efsw/WatcherGeneric.cpp +../../src/efsw/Thread.cpp +../../src/efsw/System.cpp +../../src/efsw/String.cpp +../../src/efsw/Mutex.cpp +../../src/efsw/Log.cpp +../../src/efsw/FileWatcherWin32.cpp +../../src/efsw/FileWatcherKqueue.cpp +../../src/efsw/FileWatcherInotify.cpp +../../src/efsw/FileWatcherGeneric.cpp +../../src/efsw/FileWatcher.cpp +../../src/efsw/FileSystem.cpp +../../src/efsw/FileInfo.cpp +../../src/efsw/DirWatcherGeneric.cpp +../../src/efsw/Debug.cpp +../../premake4.lua +../../src/efsw/WatcherKqueue.hpp +../../src/efsw/WatcherInotify.hpp +../../src/efsw/WatcherGeneric.hpp +../../src/efsw/Utf.hpp +../../src/efsw/Thread.hpp +../../src/efsw/System.hpp +../../src/efsw/String.hpp +../../src/efsw/sophist.h +../../src/efsw/Mutex.hpp +../../src/efsw/FileWatcherWin32.hpp +../../src/efsw/FileWatcherKqueue.hpp +../../src/efsw/FileWatcherInotify.hpp +../../src/efsw/FileWatcherImpl.hpp +../../src/efsw/FileWatcherGeneric.hpp +../../src/efsw/FileSystem.hpp +../../src/efsw/FileInfo.hpp +../../src/efsw/DirWatcherGeneric.hpp +../../src/efsw/Debug.hpp +../../src/efsw/base.hpp +../../src/efsw/Utf.inl +../../src/efsw/WatcherKqueue.cpp +../../src/efsw/WatcherInotify.cpp +../../src/efsw/WatcherGeneric.cpp +../../src/efsw/Thread.cpp +../../src/efsw/System.cpp +../../src/efsw/String.cpp +../../src/efsw/Mutex.cpp +../../src/efsw/Log.cpp +../../src/efsw/FileWatcherWin32.cpp +../../src/efsw/FileWatcherKqueue.cpp +../../src/efsw/FileWatcherInotify.cpp +../../src/efsw/FileWatcherImpl.cpp +../../src/efsw/FileWatcherGeneric.cpp +../../src/efsw/FileWatcher.cpp +../../src/efsw/FileSystem.cpp +../../src/efsw/FileInfo.cpp +../../src/efsw/DirWatcherGeneric.cpp +../../src/efsw/Debug.cpp +../../src/efsw/WatcherWin32.hpp +../../src/efsw/WatcherKqueue.hpp +../../src/efsw/WatcherInotify.hpp +../../src/efsw/WatcherGeneric.hpp +../../src/efsw/WatcherFSEvents.hpp +../../src/efsw/Watcher.hpp +../../src/efsw/Utf.hpp +../../src/efsw/Thread.hpp +../../src/efsw/System.hpp +../../src/efsw/String.hpp +../../src/efsw/sophist.h +../../src/efsw/Mutex.hpp +../../src/efsw/FileWatcherWin32.hpp +../../src/efsw/FileWatcherKqueue.hpp +../../src/efsw/FileWatcherInotify.hpp +../../src/efsw/FileWatcherImpl.hpp +../../src/efsw/FileWatcherGeneric.hpp +../../src/efsw/FileWatcherFSEvents.hpp +../../src/efsw/FileSystem.hpp +../../src/efsw/FileInfo.hpp +../../src/efsw/DirWatcherGeneric.hpp +../../src/efsw/DirectorySnapshotDiff.hpp +../../src/efsw/DirectorySnapshot.hpp +../../src/efsw/Debug.hpp +../../src/efsw/base.hpp +../../src/efsw/Utf.inl +../../src/efsw/WatcherWin32.cpp +../../src/efsw/WatcherKqueue.cpp +../../src/efsw/WatcherInotify.cpp +../../src/efsw/WatcherGeneric.cpp +../../src/efsw/WatcherFSEvents.cpp +../../src/efsw/Watcher.cpp +../../src/efsw/Thread.cpp +../../src/efsw/System.cpp +../../src/efsw/String.cpp +../../src/efsw/Mutex.cpp +../../src/efsw/Log.cpp +../../src/efsw/FileWatcherWin32.cpp +../../src/efsw/FileWatcherKqueue.cpp +../../src/efsw/FileWatcherInotify.cpp +../../src/efsw/FileWatcherImpl.cpp +../../src/efsw/FileWatcherGeneric.cpp +../../src/efsw/FileWatcherFSEvents.cpp +../../src/efsw/FileWatcher.cpp +../../src/efsw/FileSystem.cpp +../../src/efsw/FileInfo.cpp +../../src/efsw/DirWatcherGeneric.cpp +../../src/efsw/DirectorySnapshotDiff.cpp +../../src/efsw/DirectorySnapshot.cpp +../../src/efsw/Debug.cpp +../../include/efsw/efsw.h +../../src/efsw/FileWatcherCWrapper.cpp diff --git a/project/qtcreator-win/efsw.includes b/project/qtcreator-win/efsw.includes new file mode 100644 index 0000000..0eeab56 --- /dev/null +++ b/project/qtcreator-win/efsw.includes @@ -0,0 +1,2 @@ +../../src +../../include diff --git a/src/efsw/Atomic.hpp b/src/efsw/Atomic.hpp new file mode 100644 index 0000000..9015c60 --- /dev/null +++ b/src/efsw/Atomic.hpp @@ -0,0 +1,33 @@ +#ifndef EFSW_ATOMIC_BOOL_HPP +#define EFSW_ATOMIC_BOOL_HPP + +#include + +#include + +namespace efsw { + +template class Atomic { + public: + explicit Atomic( T set = false ) : set_( set ) {} + + Atomic& operator=( T set ) { + set_.store( set, std::memory_order_release ); + return *this; + } + + explicit operator T() const { + return set_.load( std::memory_order_acquire ); + } + + T load() const { + return set_.load( std::memory_order_acquire ); + } + + private: + std::atomic set_; +}; + +} // namespace efsw + +#endif diff --git a/src/efsw/Debug.cpp b/src/efsw/Debug.cpp new file mode 100644 index 0000000..18cfd31 --- /dev/null +++ b/src/efsw/Debug.cpp @@ -0,0 +1,81 @@ +#include +#include + +#ifdef EFSW_COMPILER_MSVC +#define WIN32_LEAN_AND_MEAN +#include +#include +#endif + +#include +#include +#include + +namespace efsw { + +#ifdef DEBUG + +void efREPORT_ASSERT( const char* File, int Line, const char* Exp ) { +#ifdef EFSW_COMPILER_MSVC + _CrtDbgReport( _CRT_ASSERT, File, Line, "", Exp ); + + DebugBreak(); +#else + std::cout << "ASSERT: " << Exp << " file: " << File << " line: " << Line << std::endl; + +#if defined( EFSW_COMPILER_GCC ) && defined( EFSW_32BIT ) && !defined( EFSW_ARM ) + asm( "int3" ); +#else + assert( false ); +#endif +#endif +} + +void efPRINT( const char* format, ... ) { + char buf[2048]; + va_list args; + + va_start( args, format ); + +#ifdef EFSW_COMPILER_MSVC + _vsnprintf_s( buf, sizeof( buf ), sizeof( buf ) / sizeof( buf[0] ), format, args ); +#else + vsnprintf( buf, sizeof( buf ) / sizeof( buf[0] ), format, args ); +#endif + + va_end( args ); + +#ifdef EFSW_COMPILER_MSVC + OutputDebugStringA( buf ); +#else + std::cout << buf; +#endif +} + +void efPRINTC( unsigned int cond, const char* format, ... ) { + if ( 0 == cond ) + return; + + char buf[2048]; + va_list args; + + va_start( args, format ); + +#ifdef EFSW_COMPILER_MSVC + _vsnprintf_s( buf, efARRAY_SIZE( buf ), efARRAY_SIZE( buf ), format, args ); +#else + vsnprintf( buf, sizeof( buf ) / sizeof( buf[0] ), format, args ); +#endif + + va_end( args ); + +#ifdef EFSW_COMPILER_MSVC + OutputDebugStringA( buf ); +#else + std::cout << buf; +#endif +} + +#endif + +} // namespace efsw diff --git a/src/efsw/Debug.hpp b/src/efsw/Debug.hpp new file mode 100644 index 0000000..fefaec4 --- /dev/null +++ b/src/efsw/Debug.hpp @@ -0,0 +1,62 @@ +#ifndef EFSW_DEBUG_HPP +#define EFSW_DEBUG_HPP + +#include + +namespace efsw { + +#ifdef DEBUG + +void efREPORT_ASSERT( const char* File, const int Line, const char* Exp ); + +#define efASSERT( expr ) \ + if ( !( expr ) ) { \ + efREPORT_ASSERT( __FILE__, __LINE__, #expr ); \ + } +#define efASSERTM( expr, msg ) \ + if ( !( expr ) ) { \ + efREPORT_ASSERT( __FILE__, __LINE__, #msg ); \ + } + +void efPRINT( const char* format, ... ); +void efPRINTC( unsigned int cond, const char* format, ... ); + +#else + +#define efASSERT( expr ) +#define efASSERTM( expr, msg ) + +#ifndef EFSW_COMPILER_MSVC +#define efPRINT( format, args... ) \ + {} +#define efPRINTC( cond, format, args... ) \ + {} +#else +#define efPRINT +#define efPRINTC +#endif + +#endif + +#ifdef EFSW_VERBOSE +#define efDEBUG efPRINT +#define efDEBUGC efPRINTC +#else + +#ifndef EFSW_COMPILER_MSVC +#define efDEBUG( format, args... ) \ + {} +#define efDEBUGC( cond, format, args... ) \ + {} +#else +#define efDEBUG( ... ) \ + {} +#define efDEBUGC( ... ) \ + {} +#endif + +#endif + +} // namespace efsw + +#endif diff --git a/src/efsw/DirWatcherGeneric.cpp b/src/efsw/DirWatcherGeneric.cpp new file mode 100644 index 0000000..8b6bc8a --- /dev/null +++ b/src/efsw/DirWatcherGeneric.cpp @@ -0,0 +1,388 @@ +#include +#include +#include +#include + +namespace efsw { + +DirWatcherGeneric::DirWatcherGeneric( DirWatcherGeneric* parent, WatcherGeneric* ws, + const std::string& directory, bool recursive, + bool reportNewFiles ) : + Parent( parent ), Watch( ws ), Recursive( recursive ), Deleted( false ) { + resetDirectory( directory ); + + if ( !reportNewFiles ) { + DirSnap.scan(); + } else { + DirectorySnapshotDiff Diff = DirSnap.scan(); + + if ( Diff.changed() ) { + FileInfoList::iterator it; + + DiffIterator( FilesCreated ) { + handleAction( ( *it ).Filepath, Actions::Add ); + } + } + } +} + +DirWatcherGeneric::~DirWatcherGeneric() { + /// If the directory was deleted mark the files as deleted + if ( Deleted ) { + DirectorySnapshotDiff Diff = DirSnap.scan(); + + if ( !DirSnap.exists() ) { + FileInfoList::iterator it; + + DiffIterator( FilesDeleted ) { + handleAction( ( *it ).Filepath, Actions::Delete ); + } + + DiffIterator( DirsDeleted ) { + handleAction( ( *it ).Filepath, Actions::Delete ); + } + } + } + + DirWatchMap::iterator it = Directories.begin(); + + for ( ; it != Directories.end(); ++it ) { + if ( Deleted ) { + /// If the directory was deleted, mark the flag for file deletion + it->second->Deleted = true; + } + + efSAFE_DELETE( it->second ); + } +} + +void DirWatcherGeneric::resetDirectory( std::string directory ) { + std::string dir( directory ); + + /// Is this a recursive watch? + if ( Watch->Directory != directory ) { + if ( !( directory.size() && + ( directory.at( 0 ) == FileSystem::getOSSlash() || + directory.at( directory.size() - 1 ) == FileSystem::getOSSlash() ) ) ) { + /// Get the real directory + if ( NULL != Parent ) { + std::string parentPath( Parent->DirSnap.DirectoryInfo.Filepath ); + FileSystem::dirAddSlashAtEnd( parentPath ); + FileSystem::dirAddSlashAtEnd( directory ); + + dir = parentPath + directory; + } else { + efDEBUG( "resetDirectory(): Parent is NULL. Fatal error." ); + } + } + } + + DirSnap.setDirectoryInfo( dir ); +} + +void DirWatcherGeneric::handleAction( const std::string& filename, unsigned long action, + std::string oldFilename ) { + Watch->Listener->handleFileAction( Watch->ID, DirSnap.DirectoryInfo.Filepath, + FileSystem::fileNameFromPath( filename ), (Action)action, + oldFilename ); +} + +void DirWatcherGeneric::addChilds( bool reportNewFiles ) { + if ( Recursive ) { + /// Create the subdirectories watchers + std::string dir; + + for ( FileInfoMap::iterator it = DirSnap.Files.begin(); it != DirSnap.Files.end(); it++ ) { + if ( it->second.isDirectory() && it->second.isReadable() && + !FileSystem::isRemoteFS( it->second.Filepath ) ) { + /// Check if the directory is a symbolic link + std::string curPath; + std::string link( FileSystem::getLinkRealPath( it->second.Filepath, curPath ) ); + + dir = it->first; + + if ( "" != link ) { + /// Avoid adding symlinks directories if it's now enabled + if ( !Watch->WatcherImpl->mFileWatcher->followSymlinks() ) { + continue; + } + + /// If it's a symlink check if the realpath exists as a watcher, or + /// if the path is outside the current dir + if ( Watch->WatcherImpl->pathInWatches( link ) || + Watch->pathInWatches( link ) || + !Watch->WatcherImpl->linkAllowed( curPath, link ) ) { + continue; + } else { + dir = link; + } + } else { + if ( Watch->pathInWatches( dir ) || Watch->WatcherImpl->pathInWatches( dir ) ) { + continue; + } + } + + if ( reportNewFiles ) { + handleAction( dir, Actions::Add ); + } + + Directories[dir] = + new DirWatcherGeneric( this, Watch, dir, Recursive, reportNewFiles ); + + Directories[dir]->addChilds( reportNewFiles ); + } + } + } +} + +void DirWatcherGeneric::watch( bool reportOwnChange ) { + DirectorySnapshotDiff Diff = DirSnap.scan(); + + if ( reportOwnChange && Diff.DirChanged && NULL != Parent ) { + Watch->Listener->handleFileAction( + Watch->ID, FileSystem::pathRemoveFileName( DirSnap.DirectoryInfo.Filepath ), + FileSystem::fileNameFromPath( DirSnap.DirectoryInfo.Filepath ), Actions::Modified ); + } + + if ( Diff.changed() ) { + FileInfoList::iterator it; + MovedList::iterator mit; + + /// Files + DiffIterator( FilesCreated ) { + handleAction( ( *it ).Filepath, Actions::Add ); + } + + DiffIterator( FilesModified ) { + handleAction( ( *it ).Filepath, Actions::Modified ); + } + + DiffIterator( FilesDeleted ) { + handleAction( ( *it ).Filepath, Actions::Delete ); + } + + DiffMovedIterator( FilesMoved ) { + handleAction( ( *mit ).second.Filepath, Actions::Moved, ( *mit ).first ); + } + + /// Directories + DiffIterator( DirsCreated ) { + createDirectory( ( *it ).Filepath ); + } + + DiffIterator( DirsModified ) { + handleAction( ( *it ).Filepath, Actions::Modified ); + } + + DiffIterator( DirsDeleted ) { + handleAction( ( *it ).Filepath, Actions::Delete ); + removeDirectory( ( *it ).Filepath ); + } + + DiffMovedIterator( DirsMoved ) { + handleAction( ( *mit ).second.Filepath, Actions::Moved, ( *mit ).first ); + moveDirectory( ( *mit ).first, ( *mit ).second.Filepath ); + } + } + + /// Process the subdirectories looking for changes + for ( DirWatchMap::iterator dit = Directories.begin(); dit != Directories.end(); ++dit ) { + /// Just watch + dit->second->watch(); + } +} + +void DirWatcherGeneric::watchDir( std::string& dir ) { + DirWatcherGeneric* watcher = Watch->WatcherImpl->mFileWatcher->allowOutOfScopeLinks() + ? findDirWatcher( dir ) + : findDirWatcherFast( dir ); + + if ( NULL != watcher ) { + watcher->watch( true ); + } +} + +DirWatcherGeneric* DirWatcherGeneric::findDirWatcherFast( std::string dir ) { + // remove the common base ( dir should always start with the same base as the watcher ) + efASSERT( !dir.empty() ); + efASSERT( dir.size() >= DirSnap.DirectoryInfo.Filepath.size() ); + efASSERT( DirSnap.DirectoryInfo.Filepath == + dir.substr( 0, DirSnap.DirectoryInfo.Filepath.size() ) ); + + if ( dir.size() >= DirSnap.DirectoryInfo.Filepath.size() ) { + dir = dir.substr( DirSnap.DirectoryInfo.Filepath.size() - 1 ); + } + + if ( dir.size() == 1 ) { + efASSERT( dir[0] == FileSystem::getOSSlash() ); + return this; + } + + size_t level = 0; + std::vector dirv = String::split( dir, FileSystem::getOSSlash(), false ); + + DirWatcherGeneric* watcher = this; + + while ( level < dirv.size() ) { + // search the dir level in the current watcher + DirWatchMap::iterator it = watcher->Directories.find( dirv[level] ); + + // found? continue with the next level + if ( it != watcher->Directories.end() ) { + watcher = it->second; + + level++; + } else { + // couldn't found the folder level? + // directory not watched + return NULL; + } + } + + return watcher; +} + +DirWatcherGeneric* DirWatcherGeneric::findDirWatcher( std::string dir ) { + if ( DirSnap.DirectoryInfo.Filepath == dir ) { + return this; + } else { + DirWatcherGeneric* watcher = NULL; + + for ( DirWatchMap::iterator it = Directories.begin(); it != Directories.end(); ++it ) { + watcher = it->second->findDirWatcher( dir ); + + if ( NULL != watcher ) { + return watcher; + } + } + } + + return NULL; +} + +DirWatcherGeneric* DirWatcherGeneric::createDirectory( std::string newdir ) { + FileSystem::dirRemoveSlashAtEnd( newdir ); + newdir = FileSystem::fileNameFromPath( newdir ); + + DirWatcherGeneric* dw = NULL; + + /// Check if the directory is a symbolic link + std::string parentPath( DirSnap.DirectoryInfo.Filepath ); + FileSystem::dirAddSlashAtEnd( parentPath ); + std::string dir( parentPath + newdir ); + + FileSystem::dirAddSlashAtEnd( dir ); + + FileInfo fi( dir ); + + if ( !fi.isDirectory() || !fi.isReadable() || FileSystem::isRemoteFS( dir ) ) { + return NULL; + } + + std::string curPath; + std::string link( FileSystem::getLinkRealPath( dir, curPath ) ); + bool skip = false; + + if ( "" != link ) { + /// Avoid adding symlinks directories if it's now enabled + if ( !Watch->WatcherImpl->mFileWatcher->followSymlinks() ) { + skip = true; + } + + /// If it's a symlink check if the realpath exists as a watcher, or + /// if the path is outside the current dir + if ( Watch->WatcherImpl->pathInWatches( link ) || Watch->pathInWatches( link ) || + !Watch->WatcherImpl->linkAllowed( curPath, link ) ) { + skip = true; + } else { + dir = link; + } + } else { + if ( Watch->pathInWatches( dir ) || Watch->WatcherImpl->pathInWatches( dir ) ) { + skip = true; + } + } + + if ( !skip ) { + handleAction( newdir, Actions::Add ); + + /// Creates the new directory watcher of the subfolder and check for new files + dw = new DirWatcherGeneric( this, Watch, dir, Recursive ); + + dw->addChilds(); + + dw->watch(); + + /// Add it to the list of directories + Directories[newdir] = dw; + } + + return dw; +} + +void DirWatcherGeneric::removeDirectory( std::string dir ) { + FileSystem::dirRemoveSlashAtEnd( dir ); + dir = FileSystem::fileNameFromPath( dir ); + + DirWatcherGeneric* dw = NULL; + DirWatchMap::iterator dit; + + /// Folder deleted + + /// Search the folder, it should exists + dit = Directories.find( dir ); + + if ( dit != Directories.end() ) { + dw = dit->second; + + /// Flag it as deleted so it fire the event for every file inside deleted + dw->Deleted = true; + + /// Delete the DirWatcherGeneric + efSAFE_DELETE( dw ); + + /// Remove the directory from the map + Directories.erase( dit->first ); + } +} + +void DirWatcherGeneric::moveDirectory( std::string oldDir, std::string newDir ) { + FileSystem::dirRemoveSlashAtEnd( oldDir ); + oldDir = FileSystem::fileNameFromPath( oldDir ); + + FileSystem::dirRemoveSlashAtEnd( newDir ); + newDir = FileSystem::fileNameFromPath( newDir ); + + DirWatcherGeneric* dw = NULL; + DirWatchMap::iterator dit; + + /// Directory existed? + dit = Directories.find( oldDir ); + + if ( dit != Directories.end() ) { + dw = dit->second; + + /// Remove the directory from the map + Directories.erase( dit->first ); + + Directories[newDir] = dw; + + dw->resetDirectory( newDir ); + } +} + +bool DirWatcherGeneric::pathInWatches( std::string path ) { + if ( DirSnap.DirectoryInfo.Filepath == path ) { + return true; + } + + for ( DirWatchMap::iterator it = Directories.begin(); it != Directories.end(); ++it ) { + if ( it->second->pathInWatches( path ) ) { + return true; + } + } + + return false; +} + +} // namespace efsw diff --git a/src/efsw/DirWatcherGeneric.hpp b/src/efsw/DirWatcherGeneric.hpp new file mode 100644 index 0000000..ca52de7 --- /dev/null +++ b/src/efsw/DirWatcherGeneric.hpp @@ -0,0 +1,57 @@ +#ifndef EFSW_DIRWATCHERGENERIC_HPP +#define EFSW_DIRWATCHERGENERIC_HPP + +#include +#include +#include +#include + +namespace efsw { + +class DirWatcherGeneric { + public: + typedef std::map DirWatchMap; + + DirWatcherGeneric* Parent; + WatcherGeneric* Watch; + DirectorySnapshot DirSnap; + DirWatchMap Directories; + bool Recursive; + + DirWatcherGeneric( DirWatcherGeneric* parent, WatcherGeneric* ws, const std::string& directory, + bool recursive, bool reportNewFiles = false ); + + ~DirWatcherGeneric(); + + void watch( bool reportOwnChange = false ); + + void watchDir( std::string& dir ); + + static bool isDir( const std::string& directory ); + + bool pathInWatches( std::string path ); + + void addChilds( bool reportNewFiles = true ); + + DirWatcherGeneric* findDirWatcher( std::string dir ); + + DirWatcherGeneric* findDirWatcherFast( std::string dir ); + + protected: + bool Deleted; + + DirWatcherGeneric* createDirectory( std::string newdir ); + + void removeDirectory( std::string dir ); + + void moveDirectory( std::string oldDir, std::string newDir ); + + void resetDirectory( std::string directory ); + + void handleAction( const std::string& filename, unsigned long action, + std::string oldFilename = "" ); +}; + +} // namespace efsw + +#endif diff --git a/src/efsw/DirectorySnapshot.cpp b/src/efsw/DirectorySnapshot.cpp new file mode 100644 index 0000000..f78475f --- /dev/null +++ b/src/efsw/DirectorySnapshot.cpp @@ -0,0 +1,212 @@ +#include +#include + +namespace efsw { + +DirectorySnapshot::DirectorySnapshot() {} + +DirectorySnapshot::DirectorySnapshot( std::string directory ) { + init( directory ); +} + +DirectorySnapshot::~DirectorySnapshot() {} + +void DirectorySnapshot::init( std::string directory ) { + setDirectoryInfo( directory ); + initFiles(); +} + +bool DirectorySnapshot::exists() { + return DirectoryInfo.exists(); +} + +void DirectorySnapshot::deleteAll( DirectorySnapshotDiff& Diff ) { + FileInfo fi; + + for ( FileInfoMap::iterator it = Files.begin(); it != Files.end(); it++ ) { + fi = it->second; + + if ( fi.isDirectory() ) { + Diff.DirsDeleted.push_back( fi ); + } else { + Diff.FilesDeleted.push_back( fi ); + } + } + + Files.clear(); +} + +void DirectorySnapshot::setDirectoryInfo( std::string directory ) { + DirectoryInfo = FileInfo( directory ); +} + +void DirectorySnapshot::initFiles() { + Files = FileSystem::filesInfoFromPath( DirectoryInfo.Filepath ); + + FileInfoMap::iterator it = Files.begin(); + std::vector eraseFiles; + + /// Remove all non regular files and non directories + for ( ; it != Files.end(); it++ ) { + if ( !it->second.isRegularFile() && !it->second.isDirectory() ) { + eraseFiles.push_back( it->first ); + } + } + + for ( std::vector::iterator eit = eraseFiles.begin(); eit != eraseFiles.end(); + eit++ ) { + Files.erase( *eit ); + } +} + +DirectorySnapshotDiff DirectorySnapshot::scan() { + DirectorySnapshotDiff Diff; + + Diff.clear(); + + FileInfo curFI( DirectoryInfo.Filepath ); + + Diff.DirChanged = DirectoryInfo != curFI; + + if ( Diff.DirChanged ) { + DirectoryInfo = curFI; + } + + /// If the directory was erased, create the events for files and directories deletion + if ( !curFI.exists() ) { + deleteAll( Diff ); + + return Diff; + } + + FileInfoMap files = FileSystem::filesInfoFromPath( DirectoryInfo.Filepath ); + + if ( files.empty() && Files.empty() ) { + return Diff; + } + + FileInfo fi; + FileInfoMap FilesCpy; + FileInfoMap::iterator it; + FileInfoMap::iterator fiIt; + + if ( Diff.DirChanged ) { + FilesCpy = Files; + } + + for ( it = files.begin(); it != files.end(); it++ ) { + fi = it->second; + + /// File existed before? + fiIt = Files.find( it->first ); + + if ( fiIt != Files.end() ) { + /// Erase from the file list copy + FilesCpy.erase( it->first ); + + /// File changed? + if ( ( *fiIt ).second != fi ) { + /// Update the new file info + Files[it->first] = fi; + + /// handle modified event + if ( fi.isDirectory() ) { + Diff.DirsModified.push_back( fi ); + } else { + Diff.FilesModified.push_back( fi ); + } + } + } + /// Only add regular files or directories + else if ( fi.isRegularFile() || fi.isDirectory() ) { + /// New file found + Files[it->first] = fi; + + FileInfoMap::iterator fit; + std::string oldFile = ""; + + /// Check if the same inode already existed + if ( ( fit = nodeInFiles( fi ) ) != Files.end() ) { + oldFile = fit->first; + + /// Avoid firing a Delete event + FilesCpy.erase( fit->first ); + + /// Delete the old file name + Files.erase( fit->first ); + + if ( fi.isDirectory() ) { + Diff.DirsMoved.push_back( std::make_pair( oldFile, fi ) ); + } else { + Diff.FilesMoved.push_back( std::make_pair( oldFile, fi ) ); + } + } else { + if ( fi.isDirectory() ) { + Diff.DirsCreated.push_back( fi ); + } else { + Diff.FilesCreated.push_back( fi ); + } + } + } + } + + if ( !Diff.DirChanged ) { + return Diff; + } + + /// The files or directories that remains were deleted + for ( it = FilesCpy.begin(); it != FilesCpy.end(); it++ ) { + fi = it->second; + + if ( fi.isDirectory() ) { + Diff.DirsDeleted.push_back( fi ); + } else { + Diff.FilesDeleted.push_back( fi ); + } + + /// Remove the file or directory from the list of files + Files.erase( it->first ); + } + + return Diff; +} + +FileInfoMap::iterator DirectorySnapshot::nodeInFiles( FileInfo& fi ) { + FileInfoMap::iterator it; + + if ( FileInfo::inodeSupported() ) { + for ( it = Files.begin(); it != Files.end(); it++ ) { + if ( it->second.sameInode( fi ) && it->second.Filepath != fi.Filepath ) { + return it; + } + } + } + + return Files.end(); +} + +void DirectorySnapshot::addFile( std::string path ) { + std::string name( FileSystem::fileNameFromPath( path ) ); + Files[name] = FileInfo( path ); +} + +void DirectorySnapshot::removeFile( std::string path ) { + std::string name( FileSystem::fileNameFromPath( path ) ); + + FileInfoMap::iterator it = Files.find( name ); + + if ( Files.end() != it ) { + Files.erase( it ); + } +} + +void DirectorySnapshot::moveFile( std::string oldPath, std::string newPath ) { + removeFile( oldPath ); + addFile( newPath ); +} + +void DirectorySnapshot::updateFile( std::string path ) { + addFile( path ); +} + +} // namespace efsw diff --git a/src/efsw/DirectorySnapshot.hpp b/src/efsw/DirectorySnapshot.hpp new file mode 100644 index 0000000..0e60542 --- /dev/null +++ b/src/efsw/DirectorySnapshot.hpp @@ -0,0 +1,45 @@ +#ifndef EFSW_DIRECTORYSNAPSHOT_HPP +#define EFSW_DIRECTORYSNAPSHOT_HPP + +#include + +namespace efsw { + +class DirectorySnapshot { + public: + FileInfo DirectoryInfo; + FileInfoMap Files; + + void setDirectoryInfo( std::string directory ); + + DirectorySnapshot(); + + DirectorySnapshot( std::string directory ); + + ~DirectorySnapshot(); + + void init( std::string directory ); + + bool exists(); + + DirectorySnapshotDiff scan(); + + FileInfoMap::iterator nodeInFiles( FileInfo& fi ); + + void addFile( std::string path ); + + void removeFile( std::string path ); + + void moveFile( std::string oldPath, std::string newPath ); + + void updateFile( std::string path ); + + protected: + void initFiles(); + + void deleteAll( DirectorySnapshotDiff& Diff ); +}; + +} // namespace efsw + +#endif diff --git a/src/efsw/DirectorySnapshotDiff.cpp b/src/efsw/DirectorySnapshotDiff.cpp new file mode 100644 index 0000000..37ee507 --- /dev/null +++ b/src/efsw/DirectorySnapshotDiff.cpp @@ -0,0 +1,22 @@ +#include + +namespace efsw { + +void DirectorySnapshotDiff::clear() { + FilesCreated.clear(); + FilesModified.clear(); + FilesMoved.clear(); + FilesDeleted.clear(); + DirsCreated.clear(); + DirsModified.clear(); + DirsMoved.clear(); + DirsDeleted.clear(); +} + +bool DirectorySnapshotDiff::changed() { + return !FilesCreated.empty() || !FilesModified.empty() || !FilesMoved.empty() || + !FilesDeleted.empty() || !DirsCreated.empty() || !DirsModified.empty() || + !DirsMoved.empty() || !DirsDeleted.empty(); +} + +} // namespace efsw diff --git a/src/efsw/DirectorySnapshotDiff.hpp b/src/efsw/DirectorySnapshotDiff.hpp new file mode 100644 index 0000000..26a29ec --- /dev/null +++ b/src/efsw/DirectorySnapshotDiff.hpp @@ -0,0 +1,35 @@ +#ifndef EFSW_DIRECTORYSNAPSHOTDIFF_HPP +#define EFSW_DIRECTORYSNAPSHOTDIFF_HPP + +#include + +namespace efsw { + +class DirectorySnapshotDiff { + public: + FileInfoList FilesDeleted; + FileInfoList FilesCreated; + FileInfoList FilesModified; + MovedList FilesMoved; + FileInfoList DirsDeleted; + FileInfoList DirsCreated; + FileInfoList DirsModified; + MovedList DirsMoved; + bool DirChanged; + + void clear(); + + bool changed(); +}; + +#define DiffIterator( FileInfoListName ) \ + it = Diff.FileInfoListName.begin(); \ + for ( ; it != Diff.FileInfoListName.end(); it++ ) + +#define DiffMovedIterator( MovedListName ) \ + mit = Diff.MovedListName.begin(); \ + for ( ; mit != Diff.MovedListName.end(); mit++ ) + +} // namespace efsw + +#endif diff --git a/src/efsw/FileInfo.cpp b/src/efsw/FileInfo.cpp new file mode 100644 index 0000000..707f617 --- /dev/null +++ b/src/efsw/FileInfo.cpp @@ -0,0 +1,240 @@ +#include +#include +#include + +#ifndef _DARWIN_FEATURE_64_BIT_INODE +#define _DARWIN_FEATURE_64_BIT_INODE +#endif + +#ifndef _FILE_OFFSET_BITS +#define _FILE_OFFSET_BITS 64 +#endif + +#include + +#include +#include + +#ifdef EFSW_COMPILER_MSVC +#ifndef S_ISDIR +#define S_ISDIR( f ) ( (f)&_S_IFDIR ) +#endif + +#ifndef S_ISREG +#define S_ISREG( f ) ( (f)&_S_IFREG ) +#endif + +#ifndef S_ISRDBL +#define S_ISRDBL( f ) ( (f)&_S_IREAD ) +#endif +#else +#include + +#ifndef S_ISRDBL +#define S_ISRDBL( f ) ( (f)&S_IRUSR ) +#endif +#endif + +namespace efsw { + +bool FileInfo::exists( const std::string& filePath ) { + FileInfo fi( filePath ); + return fi.exists(); +} + +bool FileInfo::isLink( const std::string& filePath ) { + FileInfo fi( filePath, true ); + return fi.isLink(); +} + +bool FileInfo::inodeSupported() { +#if EFSW_PLATFORM != EFSW_PLATFORM_WIN32 + return true; +#else + return false; +#endif +} + +FileInfo::FileInfo() : + ModificationTime( 0 ), OwnerId( 0 ), GroupId( 0 ), Permissions( 0 ), Inode( 0 ) {} + +FileInfo::FileInfo( const std::string& filepath ) : + Filepath( filepath ), + ModificationTime( 0 ), + OwnerId( 0 ), + GroupId( 0 ), + Permissions( 0 ), + Inode( 0 ) { + getInfo(); +} + +FileInfo::FileInfo( const std::string& filepath, bool linkInfo ) : + Filepath( filepath ), + ModificationTime( 0 ), + OwnerId( 0 ), + GroupId( 0 ), + Permissions( 0 ), + Inode( 0 ) { + if ( linkInfo ) { + getRealInfo(); + } else { + getInfo(); + } +} + +void FileInfo::getInfo() { +#if EFSW_PLATFORM == EFSW_PLATFORM_WIN32 + if ( Filepath.size() == 3 && Filepath[1] == ':' && Filepath[2] == FileSystem::getOSSlash() ) { + Filepath += FileSystem::getOSSlash(); + } +#endif + + /// Why i'm doing this? stat in mingw32 doesn't work for directories if the dir path ends with a + /// path slash + bool slashAtEnd = FileSystem::slashAtEnd( Filepath ); + + if ( slashAtEnd ) { + FileSystem::dirRemoveSlashAtEnd( Filepath ); + } + +#if EFSW_PLATFORM != EFSW_PLATFORM_WIN32 + struct stat st; + int res = stat( Filepath.c_str(), &st ); +#else + struct _stat st; + int res = _wstat( String::fromUtf8( Filepath ).toWideString().c_str(), &st ); +#endif + + if ( 0 == res ) { + ModificationTime = st.st_mtime; + Size = st.st_size; + OwnerId = st.st_uid; + GroupId = st.st_gid; + Permissions = st.st_mode; + Inode = st.st_ino; + } + + if ( slashAtEnd ) { + FileSystem::dirAddSlashAtEnd( Filepath ); + } +} + +void FileInfo::getRealInfo() { + bool slashAtEnd = FileSystem::slashAtEnd( Filepath ); + + if ( slashAtEnd ) { + FileSystem::dirRemoveSlashAtEnd( Filepath ); + } + +#if EFSW_PLATFORM != EFSW_PLATFORM_WIN32 + struct stat st; + int res = lstat( Filepath.c_str(), &st ); +#else + struct _stat st; + int res = _wstat( String::fromUtf8( Filepath ).toWideString().c_str(), &st ); +#endif + + if ( 0 == res ) { + ModificationTime = st.st_mtime; + Size = st.st_size; + OwnerId = st.st_uid; + GroupId = st.st_gid; + Permissions = st.st_mode; + Inode = st.st_ino; + } + + if ( slashAtEnd ) { + FileSystem::dirAddSlashAtEnd( Filepath ); + } +} + +bool FileInfo::operator==( const FileInfo& Other ) const { + return ( ModificationTime == Other.ModificationTime && Size == Other.Size && + OwnerId == Other.OwnerId && GroupId == Other.GroupId && + Permissions == Other.Permissions && Inode == Other.Inode ); +} + +bool FileInfo::isDirectory() const { + return 0 != S_ISDIR( Permissions ); +} + +bool FileInfo::isRegularFile() const { + return 0 != S_ISREG( Permissions ); +} + +bool FileInfo::isReadable() const { +#if EFSW_PLATFORM != EFSW_PLATFORM_WIN32 + static bool isRoot = getuid() == 0; + return isRoot || 0 != S_ISRDBL( Permissions ); +#else + return 0 != S_ISRDBL( Permissions ); +#endif +} + +bool FileInfo::isLink() const { +#if EFSW_PLATFORM != EFSW_PLATFORM_WIN32 + return S_ISLNK( Permissions ); +#else + return false; +#endif +} + +std::string FileInfo::linksTo() { +#if EFSW_PLATFORM != EFSW_PLATFORM_WIN32 + if ( isLink() ) { + char* ch = realpath( Filepath.c_str(), NULL ); + + if ( NULL != ch ) { + std::string tstr( ch ); + + free( ch ); + + return tstr; + } + } +#endif + return std::string( "" ); +} + +bool FileInfo::exists() { + bool slashAtEnd = FileSystem::slashAtEnd( Filepath ); + + if ( slashAtEnd ) { + FileSystem::dirRemoveSlashAtEnd( Filepath ); + } + +#if EFSW_PLATFORM != EFSW_PLATFORM_WIN32 + struct stat st; + int res = stat( Filepath.c_str(), &st ); +#else + struct _stat st; + int res = _wstat( String::fromUtf8( Filepath ).toWideString().c_str(), &st ); +#endif + + if ( slashAtEnd ) { + FileSystem::dirAddSlashAtEnd( Filepath ); + } + + return 0 == res; +} + +FileInfo& FileInfo::operator=( const FileInfo& Other ) { + this->Filepath = Other.Filepath; + this->Size = Other.Size; + this->ModificationTime = Other.ModificationTime; + this->GroupId = Other.GroupId; + this->OwnerId = Other.OwnerId; + this->Permissions = Other.Permissions; + this->Inode = Other.Inode; + return *this; +} + +bool FileInfo::sameInode( const FileInfo& Other ) const { + return inodeSupported() && Inode == Other.Inode; +} + +bool FileInfo::operator!=( const FileInfo& Other ) const { + return !( *this == Other ); +} + +} // namespace efsw diff --git a/src/efsw/FileInfo.hpp b/src/efsw/FileInfo.hpp new file mode 100644 index 0000000..1aca2a8 --- /dev/null +++ b/src/efsw/FileInfo.hpp @@ -0,0 +1,64 @@ +#ifndef EFSW_FILEINFO_HPP +#define EFSW_FILEINFO_HPP + +#include +#include +#include +#include + +namespace efsw { + +class FileInfo { + public: + static bool exists( const std::string& filePath ); + + static bool isLink( const std::string& filePath ); + + static bool inodeSupported(); + + FileInfo(); + + FileInfo( const std::string& filepath ); + + FileInfo( const std::string& filepath, bool linkInfo ); + + bool operator==( const FileInfo& Other ) const; + + bool operator!=( const FileInfo& Other ) const; + + FileInfo& operator=( const FileInfo& Other ); + + bool isDirectory() const; + + bool isRegularFile() const; + + bool isReadable() const; + + bool sameInode( const FileInfo& Other ) const; + + bool isLink() const; + + std::string linksTo(); + + bool exists(); + + void getInfo(); + + void getRealInfo(); + + std::string Filepath; + Uint64 ModificationTime; + Uint64 Size; + Uint32 OwnerId; + Uint32 GroupId; + Uint32 Permissions; + Uint64 Inode; +}; + +typedef std::map FileInfoMap; +typedef std::vector FileInfoList; +typedef std::vector> MovedList; + +} // namespace efsw + +#endif diff --git a/src/efsw/FileSystem.cpp b/src/efsw/FileSystem.cpp new file mode 100644 index 0000000..1ed346c --- /dev/null +++ b/src/efsw/FileSystem.cpp @@ -0,0 +1,161 @@ +#include +#include +#include +#include + +#if EFSW_OS == EFSW_OS_MACOSX +#include +#endif + +#if EFSW_OS == EFSW_OS_WIN +#ifndef WIN32_LEAN_AND_MEAN +#define WIN32_LEAN_AND_MEAN +#endif +#include +#endif + +namespace efsw { + +bool FileSystem::isDirectory( const std::string& path ) { + return Platform::FileSystem::isDirectory( path ); +} + +FileInfoMap FileSystem::filesInfoFromPath( std::string path ) { + dirAddSlashAtEnd( path ); + + return Platform::FileSystem::filesInfoFromPath( path ); +} + +char FileSystem::getOSSlash() { + return Platform::FileSystem::getOSSlash(); +} + +bool FileSystem::slashAtEnd( std::string& dir ) { + return ( dir.size() && dir[dir.size() - 1] == getOSSlash() ); +} + +void FileSystem::dirAddSlashAtEnd( std::string& dir ) { + if ( dir.size() >= 1 && dir[dir.size() - 1] != getOSSlash() ) { + dir.push_back( getOSSlash() ); + } +} + +void FileSystem::dirRemoveSlashAtEnd( std::string& dir ) { + if ( dir.size() >= 1 && dir[dir.size() - 1] == getOSSlash() ) { + dir.erase( dir.size() - 1 ); + } +} + +std::string FileSystem::fileNameFromPath( std::string filepath ) { + dirRemoveSlashAtEnd( filepath ); + + size_t pos = filepath.find_last_of( getOSSlash() ); + + if ( pos != std::string::npos ) { + return filepath.substr( pos + 1 ); + } + + return filepath; +} + +std::string FileSystem::pathRemoveFileName( std::string filepath ) { + dirRemoveSlashAtEnd( filepath ); + + size_t pos = filepath.find_last_of( getOSSlash() ); + + if ( pos != std::string::npos ) { + return filepath.substr( 0, pos + 1 ); + } + + return filepath; +} + +std::string FileSystem::getLinkRealPath( std::string dir, std::string& curPath ) { + FileSystem::dirRemoveSlashAtEnd( dir ); + FileInfo fi( dir, true ); + + /// Check with lstat and see if it's a link + if ( fi.isLink() ) { + /// get the real path of the link + std::string link( fi.linksTo() ); + + /// get the current path of the directory without the link dir path + curPath = FileSystem::pathRemoveFileName( dir ); + + /// ensure that ends with the os directory slash + FileSystem::dirAddSlashAtEnd( link ); + + return link; + } + + /// if it's not a link return nothing + return ""; +} + +std::string FileSystem::precomposeFileName( const std::string& name ) { +#if EFSW_OS == EFSW_OS_MACOSX + CFStringRef cfStringRef = + CFStringCreateWithCString( kCFAllocatorDefault, name.c_str(), kCFStringEncodingUTF8 ); + CFMutableStringRef cfMutable = CFStringCreateMutableCopy( NULL, 0, cfStringRef ); + + CFStringNormalize( cfMutable, kCFStringNormalizationFormC ); + + const char* c_str = CFStringGetCStringPtr( cfMutable, kCFStringEncodingUTF8 ); + if ( c_str != NULL ) { + std::string result( c_str ); + CFRelease( cfStringRef ); + CFRelease( cfMutable ); + return result; + } + CFIndex length = CFStringGetLength( cfMutable ); + CFIndex maxSize = CFStringGetMaximumSizeForEncoding( length, kCFStringEncodingUTF8 ); + if ( maxSize == kCFNotFound ) { + CFRelease( cfStringRef ); + CFRelease( cfMutable ); + return std::string(); + } + + std::string result( maxSize + 1, '\0' ); + if ( CFStringGetCString( cfMutable, &result[0], result.size(), kCFStringEncodingUTF8 ) ) { + result.resize( std::strlen( result.c_str() ) ); + CFRelease( cfStringRef ); + CFRelease( cfMutable ); + } else { + result.clear(); + } + return result; +#else + return name; +#endif +} + +bool FileSystem::isRemoteFS( const std::string& directory ) { + return Platform::FileSystem::isRemoteFS( directory ); +} + +bool FileSystem::changeWorkingDirectory( const std::string& directory ) { + return Platform::FileSystem::changeWorkingDirectory( directory ); +} + +std::string FileSystem::getCurrentWorkingDirectory() { + return Platform::FileSystem::getCurrentWorkingDirectory(); +} + +std::string FileSystem::getRealPath( const std::string& path ) { + std::string realPath; +#if defined( EFSW_PLATFORM_POSIX ) + char dir[PATH_MAX]; + realpath( path.c_str(), &dir[0] ); + realPath = std::string( dir ); +#elif EFSW_OS == EFSW_OS_WIN + wchar_t dir[_MAX_PATH + 1]; + GetFullPathNameW( String::fromUtf8( path ).toWideString().c_str(), _MAX_PATH, &dir[0], + nullptr ); + realPath = String( dir ).toUtf8(); +#else +#warning FileSystem::getRealPath() not implemented on this platform. +#endif + return realPath; +} + +} // namespace efsw diff --git a/src/efsw/FileSystem.hpp b/src/efsw/FileSystem.hpp new file mode 100644 index 0000000..1d66ece --- /dev/null +++ b/src/efsw/FileSystem.hpp @@ -0,0 +1,43 @@ +#ifndef EFSW_FILESYSTEM_HPP +#define EFSW_FILESYSTEM_HPP + +#include +#include + +namespace efsw { + +class FileSystem { + public: + static bool isDirectory( const std::string& path ); + + static FileInfoMap filesInfoFromPath( std::string path ); + + static char getOSSlash(); + + static bool slashAtEnd( std::string& dir ); + + static void dirAddSlashAtEnd( std::string& dir ); + + static void dirRemoveSlashAtEnd( std::string& dir ); + + static std::string fileNameFromPath( std::string filepath ); + + static std::string pathRemoveFileName( std::string filepath ); + + static std::string getLinkRealPath( std::string dir, std::string& curPath ); + + static std::string precomposeFileName( const std::string& name ); + + static bool isRemoteFS( const std::string& directory ); + + static bool changeWorkingDirectory( const std::string& path ); + + static std::string getCurrentWorkingDirectory(); + + static std::string getRealPath( const std::string& path ); + +}; + +} // namespace efsw + +#endif diff --git a/src/efsw/FileWatcher.cpp b/src/efsw/FileWatcher.cpp new file mode 100644 index 0000000..ab3ec4b --- /dev/null +++ b/src/efsw/FileWatcher.cpp @@ -0,0 +1,120 @@ +#include +#include +#include +#include + +#if EFSW_PLATFORM == EFSW_PLATFORM_WIN32 +#include +#define FILEWATCHER_IMPL FileWatcherWin32 +#define BACKEND_NAME "Win32" +#elif EFSW_PLATFORM == EFSW_PLATFORM_INOTIFY +#include +#define FILEWATCHER_IMPL FileWatcherInotify +#define BACKEND_NAME "Inotify" +#elif EFSW_PLATFORM == EFSW_PLATFORM_KQUEUE +#include +#define FILEWATCHER_IMPL FileWatcherKqueue +#define BACKEND_NAME "Kqueue" +#elif EFSW_PLATFORM == EFSW_PLATFORM_FSEVENTS +#include +#define FILEWATCHER_IMPL FileWatcherFSEvents +#define BACKEND_NAME "FSEvents" +#else +#define FILEWATCHER_IMPL FileWatcherGeneric +#define BACKEND_NAME "Generic" +#endif + +#include + +namespace efsw { + +FileWatcher::FileWatcher() : mFollowSymlinks( false ), mOutOfScopeLinks( false ) { + efDEBUG( "Using backend: %s\n", BACKEND_NAME ); + + mImpl = new FILEWATCHER_IMPL( this ); + + if ( !mImpl->initOK() ) { + efSAFE_DELETE( mImpl ); + + efDEBUG( "Falled back to backend: %s\n", BACKEND_NAME ); + + mImpl = new FileWatcherGeneric( this ); + } +} + +FileWatcher::FileWatcher( bool useGenericFileWatcher ) : + mFollowSymlinks( false ), mOutOfScopeLinks( false ) { + if ( useGenericFileWatcher ) { + efDEBUG( "Using backend: Generic\n" ); + + mImpl = new FileWatcherGeneric( this ); + } else { + efDEBUG( "Using backend: %s\n", BACKEND_NAME ); + + mImpl = new FILEWATCHER_IMPL( this ); + + if ( !mImpl->initOK() ) { + efSAFE_DELETE( mImpl ); + + efDEBUG( "Falled back to backend: %s\n", BACKEND_NAME ); + + mImpl = new FileWatcherGeneric( this ); + } + } +} + +FileWatcher::~FileWatcher() { + efSAFE_DELETE( mImpl ); +} + +WatchID FileWatcher::addWatch( const std::string& directory, FileWatchListener* watcher ) { + return addWatch( directory, watcher, false, {} ); +} + +WatchID FileWatcher::addWatch( const std::string& directory, FileWatchListener* watcher, + bool recursive ) { + return addWatch( directory, watcher, recursive, {} ); +} + +WatchID FileWatcher::addWatch( const std::string& directory, FileWatchListener* watcher, + bool recursive, const std::vector& options ) { + if ( mImpl->mIsGeneric || !FileSystem::isRemoteFS( directory ) ) { + return mImpl->addWatch( directory, watcher, recursive, options ); + } else { + return Errors::Log::createLastError( Errors::FileRemote, directory ); + } +} + +void FileWatcher::removeWatch( const std::string& directory ) { + mImpl->removeWatch( directory ); +} + +void FileWatcher::removeWatch( WatchID watchid ) { + mImpl->removeWatch( watchid ); +} + +void FileWatcher::watch() { + mImpl->watch(); +} + +std::vector FileWatcher::directories() { + return mImpl->directories(); +} + +void FileWatcher::followSymlinks( bool follow ) { + mFollowSymlinks = follow; +} + +const bool& FileWatcher::followSymlinks() const { + return mFollowSymlinks; +} + +void FileWatcher::allowOutOfScopeLinks( bool allow ) { + mOutOfScopeLinks = allow; +} + +const bool& FileWatcher::allowOutOfScopeLinks() const { + return mOutOfScopeLinks; +} + +} // namespace efsw diff --git a/src/efsw/FileWatcherCWrapper.cpp b/src/efsw/FileWatcherCWrapper.cpp new file mode 100644 index 0000000..971c889 --- /dev/null +++ b/src/efsw/FileWatcherCWrapper.cpp @@ -0,0 +1,139 @@ +#include +#include +#include +#include +#include +#include + +#define TOBOOL( i ) ( ( i ) == 0 ? false : true ) + +/*************************************************************************************************/ +class Watcher_CAPI : public efsw::FileWatchListener { + public: + efsw_watcher mWatcher; + efsw_pfn_fileaction_callback mFn; + void* mParam; + efsw_pfn_handle_missed_fileactions mFnMissedFa; + + public: + Watcher_CAPI( efsw_watcher watcher, efsw_pfn_fileaction_callback fn, void* param, + efsw_pfn_handle_missed_fileactions fnfa ) : + mWatcher( watcher ), mFn( fn ), mParam( param ), mFnMissedFa( fnfa ) {} + + void handleFileAction( efsw::WatchID watchid, const std::string& dir, + const std::string& filename, efsw::Action action, + std::string oldFilename = "" ) { + mFn( mWatcher, watchid, dir.c_str(), filename.c_str(), (enum efsw_action)action, + oldFilename.c_str(), mParam ); + } + + void handleMissedFileActions( efsw::WatchID watchid, const std::string& dir ) { + if ( mFnMissedFa ) { + mFnMissedFa( mWatcher, watchid, dir.c_str() ); + } + } +}; + +/************************************************************************************************* + * globals + */ +static std::vector g_callbacks; +static efsw::Mutex g_callbacksMutex; + +Watcher_CAPI* find_callback( efsw_watcher watcher, efsw_pfn_fileaction_callback fn, void* param ) { + efsw::Lock l( g_callbacksMutex ); + for ( Watcher_CAPI* callback : g_callbacks ) { + if ( callback->mFn == fn && callback->mWatcher == watcher && callback->mParam == param ) + return callback; + } + return NULL; +} + +void remove_callback( efsw_watcher watcher ) { + efsw::Lock l( g_callbacksMutex ); + auto found = std::find_if( g_callbacks.begin(), g_callbacks.end(), + [watcher]( Watcher_CAPI* cb ) { return cb->mWatcher == watcher; } ); + if ( found != g_callbacks.end() ) { + Watcher_CAPI* callback = *found; + delete callback; + g_callbacks.erase( found ); + } +} + +/*************************************************************************************************/ +efsw_watcher efsw_create( int generic_mode ) { + return ( efsw_watcher ) new efsw::FileWatcher( TOBOOL( generic_mode ) ); +} + +void efsw_release( efsw_watcher watcher ) { + remove_callback( watcher ); + delete (efsw::FileWatcher*)watcher; +} + +const char* efsw_getlasterror() { + static std::string log_str; + log_str = efsw::Errors::Log::getLastErrorLog(); + return log_str.c_str(); +} + +EFSW_API void efsw_clearlasterror() { + efsw::Errors::Log::clearLastError(); +} + +efsw_watchid efsw_addwatch( efsw_watcher watcher, const char* directory, + efsw_pfn_fileaction_callback callback_fn, int recursive, void* param ) { + return efsw_addwatch_withoptions( watcher, directory, callback_fn, recursive, 0, 0, param, + nullptr ); +} + +efsw_watchid +efsw_addwatch_withoptions( efsw_watcher watcher, const char* directory, + efsw_pfn_fileaction_callback callback_fn, int recursive, + efsw_watcher_option* options, int options_number, void* param, + efsw_pfn_handle_missed_fileactions callback_fn_missed_file_actions ) { + Watcher_CAPI* callback = find_callback( watcher, callback_fn, param ); + + if ( callback == NULL ) { + callback = new Watcher_CAPI( watcher, callback_fn, param, callback_fn_missed_file_actions ); + efsw::Lock l( g_callbacksMutex ); + g_callbacks.push_back( callback ); + } + + std::vector watcher_options{}; + for ( int i = 0; i < options_number; i++ ) { + efsw_watcher_option* option = &options[i]; + watcher_options.emplace_back( + efsw::WatcherOption{ static_cast( option->option ), option->value } ); + } + + return ( (efsw::FileWatcher*)watcher ) + ->addWatch( std::string( directory ), callback, TOBOOL( recursive ), watcher_options ); +} + +void efsw_removewatch( efsw_watcher watcher, const char* directory ) { + ( (efsw::FileWatcher*)watcher )->removeWatch( std::string( directory ) ); +} + +void efsw_removewatch_byid( efsw_watcher watcher, efsw_watchid watchid ) { + ( (efsw::FileWatcher*)watcher )->removeWatch( watchid ); +} + +void efsw_watch( efsw_watcher watcher ) { + ( (efsw::FileWatcher*)watcher )->watch(); +} + +void efsw_follow_symlinks( efsw_watcher watcher, int enable ) { + ( (efsw::FileWatcher*)watcher )->followSymlinks( TOBOOL( enable ) ); +} + +int efsw_follow_symlinks_isenabled( efsw_watcher watcher ) { + return (int)( (efsw::FileWatcher*)watcher )->followSymlinks(); +} + +void efsw_allow_outofscopelinks( efsw_watcher watcher, int allow ) { + ( (efsw::FileWatcher*)watcher )->allowOutOfScopeLinks( TOBOOL( allow ) ); +} + +int efsw_outofscopelinks_isallowed( efsw_watcher watcher ) { + return (int)( (efsw::FileWatcher*)watcher )->allowOutOfScopeLinks(); +} diff --git a/src/efsw/FileWatcherFSEvents.cpp b/src/efsw/FileWatcherFSEvents.cpp new file mode 100644 index 0000000..70ec2b1 --- /dev/null +++ b/src/efsw/FileWatcherFSEvents.cpp @@ -0,0 +1,248 @@ +#include +#include +#include +#include +#include +#include + +#if EFSW_PLATFORM == EFSW_PLATFORM_FSEVENTS + +#include + +namespace efsw { + +int getOSXReleaseNumber() { + static int osxR = -1; + + if ( -1 == osxR ) { + struct utsname os; + + if ( -1 != uname( &os ) ) { + std::string release( os.release ); + + size_t pos = release.find_first_of( '.' ); + + if ( pos != std::string::npos ) { + release = release.substr( 0, pos ); + } + + int rel = 0; + + if ( String::fromString( rel, release ) ) { + osxR = rel; + } + } + } + + return osxR; +} + +bool FileWatcherFSEvents::isGranular() { + return getOSXReleaseNumber() >= 11; +} + +static std::string convertCFStringToStdString( CFStringRef cfString ) { + // Try to get the C string pointer directly + const char* cStr = CFStringGetCStringPtr( cfString, kCFStringEncodingUTF8 ); + + if ( cStr ) { + // If the pointer is valid, directly return a std::string from it + return std::string( cStr ); + } else { + // If not, manually convert it + CFIndex length = CFStringGetLength( cfString ); + CFIndex maxSize = CFStringGetMaximumSizeForEncoding( length, kCFStringEncodingUTF8 ) + + 1; // +1 for null terminator + + char* buffer = new char[maxSize]; + + if ( CFStringGetCString( cfString, buffer, maxSize, kCFStringEncodingUTF8 ) ) { + std::string result( buffer ); + delete[] buffer; + return result; + } else { + delete[] buffer; + return ""; + } + } +} + +void FileWatcherFSEvents::FSEventCallback( ConstFSEventStreamRef /*streamRef*/, void* userData, + size_t numEvents, void* eventPaths, + const FSEventStreamEventFlags eventFlags[], + const FSEventStreamEventId eventIds[] ) { + WatcherFSEvents* watcher = static_cast( userData ); + + std::vector events; + events.reserve( numEvents ); + + for ( size_t i = 0; i < numEvents; i++ ) { + if ( isGranular() ) { + CFDictionaryRef pathInfoDict = + static_cast( CFArrayGetValueAtIndex( (CFArrayRef)eventPaths, i ) ); + CFStringRef path = static_cast( + CFDictionaryGetValue( pathInfoDict, kFSEventStreamEventExtendedDataPathKey ) ); + CFNumberRef cfInode = static_cast( + CFDictionaryGetValue( pathInfoDict, kFSEventStreamEventExtendedFileIDKey ) ); + + if ( cfInode ) { + unsigned long inode = 0; + CFNumberGetValue( cfInode, kCFNumberLongType, &inode ); + events.push_back( FSEvent( convertCFStringToStdString( path ), (long)eventFlags[i], + (Uint64)eventIds[i], inode ) ); + } + } else { + events.push_back( FSEvent( std::string( ( (char**)eventPaths )[i] ), + (long)eventFlags[i], (Uint64)eventIds[i] ) ); + } + } + + watcher->handleActions( events ); + + watcher->process(); + + efDEBUG( "\n" ); +} + +FileWatcherFSEvents::FileWatcherFSEvents( FileWatcher* parent ) : + FileWatcherImpl( parent ), mLastWatchID( 0 ) { + mInitOK = true; + + watch(); +} + +FileWatcherFSEvents::~FileWatcherFSEvents() { + mInitOK = false; + + mWatchCond.notify_all(); + + WatchMap::iterator iter = mWatches.begin(); + + for ( ; iter != mWatches.end(); ++iter ) { + WatcherFSEvents* watch = iter->second; + + efSAFE_DELETE( watch ); + } +} + +WatchID FileWatcherFSEvents::addWatch( const std::string& directory, FileWatchListener* watcher, + bool recursive, const std::vector& options ) { + std::string dir( FileSystem::getRealPath( directory ) ); + + FileInfo fi( dir ); + + if ( !fi.isDirectory() ) { + return Errors::Log::createLastError( Errors::FileNotFound, dir ); + } else if ( !fi.isReadable() ) { + return Errors::Log::createLastError( Errors::FileNotReadable, dir ); + } + + FileSystem::dirAddSlashAtEnd( dir ); + + if ( pathInWatches( dir ) ) { + return Errors::Log::createLastError( Errors::FileRepeated, directory ); + } + + /// Check if the directory is a symbolic link + std::string curPath; + std::string link( FileSystem::getLinkRealPath( dir, curPath ) ); + + if ( "" != link ) { + /// If it's a symlink check if the realpath exists as a watcher, or + /// if the path is outside the current dir + if ( pathInWatches( link ) ) { + return Errors::Log::createLastError( Errors::FileRepeated, directory ); + } else if ( !linkAllowed( curPath, link ) ) { + return Errors::Log::createLastError( Errors::FileOutOfScope, dir ); + } else { + dir = link; + } + } + + mLastWatchID++; + + WatcherFSEvents* pWatch = new WatcherFSEvents(); + pWatch->Listener = watcher; + pWatch->ID = mLastWatchID; + pWatch->Directory = dir; + pWatch->Recursive = recursive; + pWatch->FWatcher = this; + pWatch->ModifiedFlags = + getOptionValue( options, Option::MacModifiedFilter, efswFSEventsModified ); + pWatch->SanitizeEvents = getOptionValue( options, Option::MacSanitizeEvents, 0 ) != 0; + + pWatch->init(); + + { + Lock lock( mWatchesLock ); + mWatches.insert( std::make_pair( mLastWatchID, pWatch ) ); + } + + mWatchCond.notify_all(); + return pWatch->ID; +} + +void FileWatcherFSEvents::removeWatch( const std::string& directory ) { + Lock lock( mWatchesLock ); + + WatchMap::iterator iter = mWatches.begin(); + + for ( ; iter != mWatches.end(); ++iter ) { + if ( directory == iter->second->Directory ) { + removeWatch( iter->second->ID ); + return; + } + } +} + +void FileWatcherFSEvents::removeWatch( WatchID watchid ) { + Lock lock( mWatchesLock ); + + WatchMap::iterator iter = mWatches.find( watchid ); + + if ( iter == mWatches.end() ) + return; + + WatcherFSEvents* watch = iter->second; + + mWatches.erase( iter ); + + efDEBUG( "Removed watch %s\n", watch->Directory.c_str() ); + + efSAFE_DELETE( watch ); +} + +void FileWatcherFSEvents::watch() {} + +void FileWatcherFSEvents::handleAction( Watcher* /*watch*/, const std::string& /*filename*/, + unsigned long /*action*/, std::string /*oldFilename*/ ) { + /// Not used +} + +std::vector FileWatcherFSEvents::directories() { + std::vector dirs; + + Lock lock( mWatchesLock ); + + dirs.reserve( mWatches.size() ); + + for ( WatchMap::iterator it = mWatches.begin(); it != mWatches.end(); ++it ) { + dirs.push_back( std::string( it->second->Directory ) ); + } + + return dirs; +} + +bool FileWatcherFSEvents::pathInWatches( const std::string& path ) { + for ( WatchMap::iterator it = mWatches.begin(); it != mWatches.end(); ++it ) { + if ( it->second->Directory == path ) { + return true; + } + } + + return false; +} + +} // namespace efsw + +#endif diff --git a/src/efsw/FileWatcherFSEvents.hpp b/src/efsw/FileWatcherFSEvents.hpp new file mode 100644 index 0000000..daa538c --- /dev/null +++ b/src/efsw/FileWatcherFSEvents.hpp @@ -0,0 +1,80 @@ +#ifndef EFSW_FILEWATCHERFSEVENTS_HPP +#define EFSW_FILEWATCHERFSEVENTS_HPP + +#include + +#if EFSW_PLATFORM == EFSW_PLATFORM_FSEVENTS + +#include +#include +#include +#include +#include +#include +#include +#include + +namespace efsw { + +/// Implementation for Win32 based on ReadDirectoryChangesW. +/// @class FileWatcherFSEvents +class FileWatcherFSEvents : public FileWatcherImpl { + friend class WatcherFSEvents; + + public: + /// @return If FSEvents supports file-level notifications ( true if OS X >= 10.7 ) + static bool isGranular(); + + /// type for a map from WatchID to WatcherWin32 pointer + typedef std::map WatchMap; + + FileWatcherFSEvents( FileWatcher* parent ); + + virtual ~FileWatcherFSEvents(); + + /// Add a directory watch + /// On error returns WatchID with Error type. + WatchID addWatch( const std::string& directory, FileWatchListener* watcher, bool recursive, + const std::vector &options ) override; + + /// Remove a directory watch. This is a brute force lazy search O(nlogn). + void removeWatch( const std::string& directory ) override; + + /// Remove a directory watch. This is a map lookup O(logn). + void removeWatch( WatchID watchid ) override; + + /// Updates the watcher. Must be called often. + void watch() override; + + /// Handles the action + void handleAction( Watcher* watch, const std::string& filename, unsigned long action, + std::string oldFilename = "" ) override; + + /// @return Returns a list of the directories that are being watched + std::vector directories() override; + + protected: + static void FSEventCallback( ConstFSEventStreamRef streamRef, void* userData, size_t numEvents, + void* eventPaths, const FSEventStreamEventFlags eventFlags[], + const FSEventStreamEventId eventIds[] ); + + /// Vector of WatcherWin32 pointers + WatchMap mWatches; + + /// The last watchid + WatchID mLastWatchID; + + Mutex mWatchesLock; + + bool pathInWatches( const std::string& path ) override; + + std::mutex mWatchesMutex; + std::condition_variable mWatchCond; + +}; + +} // namespace efsw + +#endif + +#endif diff --git a/src/efsw/FileWatcherGeneric.cpp b/src/efsw/FileWatcherGeneric.cpp new file mode 100644 index 0000000..e0d3930 --- /dev/null +++ b/src/efsw/FileWatcherGeneric.cpp @@ -0,0 +1,158 @@ +#include +#include +#include +#include + +namespace efsw { + +FileWatcherGeneric::FileWatcherGeneric( FileWatcher* parent ) : + FileWatcherImpl( parent ), mThread( NULL ), mLastWatchID( 0 ) { + mInitOK = true; + mIsGeneric = true; +} + +FileWatcherGeneric::~FileWatcherGeneric() { + mInitOK = false; + + efSAFE_DELETE( mThread ); + + /// Delete the watches + WatchList::iterator it = mWatches.begin(); + + for ( ; it != mWatches.end(); ++it ) { + efSAFE_DELETE( ( *it ) ); + } +} + +WatchID FileWatcherGeneric::addWatch( const std::string& directory, FileWatchListener* watcher, + bool recursive, const std::vector& options ) { + std::string dir( directory ); + + FileSystem::dirAddSlashAtEnd( dir ); + + FileInfo fi( dir ); + + if ( !fi.isDirectory() ) { + return Errors::Log::createLastError( Errors::FileNotFound, dir ); + } else if ( !fi.isReadable() ) { + return Errors::Log::createLastError( Errors::FileNotReadable, dir ); + } else if ( pathInWatches( dir ) ) { + return Errors::Log::createLastError( Errors::FileRepeated, dir ); + } + + std::string curPath; + std::string link( FileSystem::getLinkRealPath( dir, curPath ) ); + + if ( "" != link ) { + if ( pathInWatches( link ) ) { + return Errors::Log::createLastError( Errors::FileRepeated, dir ); + } else if ( !linkAllowed( curPath, link ) ) { + return Errors::Log::createLastError( Errors::FileOutOfScope, dir ); + } else { + dir = link; + } + } + + mLastWatchID++; + + WatcherGeneric* pWatch = new WatcherGeneric( mLastWatchID, dir, watcher, this, recursive ); + + Lock lock( mWatchesLock ); + mWatches.push_back( pWatch ); + + return pWatch->ID; +} + +void FileWatcherGeneric::removeWatch( const std::string& directory ) { + WatchList::iterator it = mWatches.begin(); + + for ( ; it != mWatches.end(); ++it ) { + if ( ( *it )->Directory == directory ) { + WatcherGeneric* watch = ( *it ); + + Lock lock( mWatchesLock ); + + mWatches.erase( it ); + + efSAFE_DELETE( watch ); + + return; + } + } +} + +void FileWatcherGeneric::removeWatch( WatchID watchid ) { + WatchList::iterator it = mWatches.begin(); + + for ( ; it != mWatches.end(); ++it ) { + if ( ( *it )->ID == watchid ) { + WatcherGeneric* watch = ( *it ); + + Lock lock( mWatchesLock ); + + mWatches.erase( it ); + + efSAFE_DELETE( watch ); + + return; + } + } +} + +void FileWatcherGeneric::watch() { + if ( NULL == mThread ) { + mThread = new Thread([this]{run();}); + mThread->launch(); + } +} + +void FileWatcherGeneric::run() { + do { + { + Lock lock( mWatchesLock ); + + WatchList::iterator it = mWatches.begin(); + + for ( ; it != mWatches.end(); ++it ) { + ( *it )->watch(); + } + } + + if ( mInitOK ) + System::sleep( 1000 ); + } while ( mInitOK ); +} + +void FileWatcherGeneric::handleAction( Watcher*, const std::string&, unsigned long, std::string ) { + /// Not used +} + +std::vector FileWatcherGeneric::directories() { + std::vector dirs; + + Lock lock( mWatchesLock ); + + dirs.reserve( mWatches.size() ); + + WatchList::iterator it = mWatches.begin(); + + for ( ; it != mWatches.end(); ++it ) { + dirs.push_back( ( *it )->Directory ); + } + + return dirs; +} + +bool FileWatcherGeneric::pathInWatches( const std::string& path ) { + WatchList::iterator it = mWatches.begin(); + + for ( ; it != mWatches.end(); ++it ) { + if ( ( *it )->Directory == path || ( *it )->pathInWatches( path ) ) { + return true; + } + } + + return false; +} + +} // namespace efsw diff --git a/src/efsw/FileWatcherGeneric.hpp b/src/efsw/FileWatcherGeneric.hpp new file mode 100644 index 0000000..47f7e04 --- /dev/null +++ b/src/efsw/FileWatcherGeneric.hpp @@ -0,0 +1,61 @@ +#ifndef EFSW_FILEWATCHERGENERIC_HPP +#define EFSW_FILEWATCHERGENERIC_HPP + +#include +#include +#include +#include + +namespace efsw { + +/// Implementation for Generic File Watcher. +/// @class FileWatcherGeneric +class FileWatcherGeneric : public FileWatcherImpl { + public: + typedef std::vector WatchList; + + FileWatcherGeneric( FileWatcher* parent ); + + virtual ~FileWatcherGeneric(); + + /// Add a directory watch + /// On error returns WatchID with Error type. + WatchID addWatch( const std::string& directory, FileWatchListener* watcher, bool recursive, + const std::vector &options ) override; + + /// Remove a directory watch. This is a brute force lazy search O(nlogn). + void removeWatch( const std::string& directory ) override; + + /// Remove a directory watch. This is a map lookup O(logn). + void removeWatch( WatchID watchid ) override; + + /// Updates the watcher. Must be called often. + void watch() override; + + /// Handles the action + void handleAction( Watcher* watch, const std::string& filename, unsigned long action, + std::string oldFilename = "" ) override; + + /// @return Returns a list of the directories that are being watched + std::vector directories() override; + + protected: + Thread* mThread; + + /// The last watchid + WatchID mLastWatchID; + + /// Map of WatchID to WatchStruct pointers + WatchList mWatches; + + Mutex mWatchesLock; + + bool pathInWatches( const std::string& path ) override; + + private: + void run(); +}; + +} // namespace efsw + +#endif diff --git a/src/efsw/FileWatcherImpl.cpp b/src/efsw/FileWatcherImpl.cpp new file mode 100644 index 0000000..f8313da --- /dev/null +++ b/src/efsw/FileWatcherImpl.cpp @@ -0,0 +1,34 @@ +#include +#include +#include + +namespace efsw { + +FileWatcherImpl::FileWatcherImpl( FileWatcher* parent ) : + mFileWatcher( parent ), mInitOK( false ), mIsGeneric( false ) { + System::maxFD(); +} + +FileWatcherImpl::~FileWatcherImpl() {} + +bool FileWatcherImpl::initOK() { + return static_cast( mInitOK ); +} + +bool FileWatcherImpl::linkAllowed( const std::string& curPath, const std::string& link ) { + return ( mFileWatcher->followSymlinks() && mFileWatcher->allowOutOfScopeLinks() ) || + -1 != String::strStartsWith( curPath, link ); +} + +int FileWatcherImpl::getOptionValue( const std::vector& options, Option option, + int defaultValue ) { + for ( size_t i = 0; i < options.size(); i++ ) { + if ( options[i].mOption == option ) { + return options[i].mValue; + } + } + + return defaultValue; +} + +} // namespace efsw diff --git a/src/efsw/FileWatcherImpl.hpp b/src/efsw/FileWatcherImpl.hpp new file mode 100644 index 0000000..d82209c --- /dev/null +++ b/src/efsw/FileWatcherImpl.hpp @@ -0,0 +1,64 @@ +#ifndef EFSW_FILEWATCHERIMPL_HPP +#define EFSW_FILEWATCHERIMPL_HPP + +#include +#include +#include +#include +#include +#include + +namespace efsw { + +class FileWatcherImpl { + public: + FileWatcherImpl( FileWatcher* parent ); + + virtual ~FileWatcherImpl(); + + /// Add a directory watch + /// On error returns WatchID with Error type. + virtual WatchID addWatch( const std::string& directory, FileWatchListener* watcher, + bool recursive, const std::vector& options = {} ) = 0; + + /// Remove a directory watch. This is a brute force lazy search O(nlogn). + virtual void removeWatch( const std::string& directory ) = 0; + + /// Remove a directory watch. This is a map lookup O(logn). + virtual void removeWatch( WatchID watchid ) = 0; + + /// Updates the watcher. Must be called often. + virtual void watch() = 0; + + /// Handles the action + virtual void handleAction( Watcher* watch, const std::string& filename, unsigned long action, + std::string oldFilename = "" ) = 0; + + /// @return Returns a list of the directories that are being watched + virtual std::vector directories() = 0; + + /// @return true if the backend init successfully + virtual bool initOK(); + + /// @return If the link is allowed according to the current path and the state of out scope + /// links + virtual bool linkAllowed( const std::string& curPath, const std::string& link ); + + /// Search if a directory already exists in the watches + virtual bool pathInWatches( const std::string& path ) = 0; + + protected: + friend class FileWatcher; + friend class DirWatcherGeneric; + + FileWatcher* mFileWatcher; + Atomic mInitOK; + bool mIsGeneric; + + int getOptionValue( const std::vector& options, Option option, + int defaultValue ); +}; + +} // namespace efsw + +#endif diff --git a/src/efsw/FileWatcherInotify.cpp b/src/efsw/FileWatcherInotify.cpp new file mode 100644 index 0000000..7e927e0 --- /dev/null +++ b/src/efsw/FileWatcherInotify.cpp @@ -0,0 +1,654 @@ +#include +#include + +#if EFSW_PLATFORM == EFSW_PLATFORM_INOTIFY + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#define BUFF_SIZE ( ( sizeof( struct inotify_event ) + FILENAME_MAX ) * 1024 ) + +namespace efsw { + +FileWatcherInotify::FileWatcherInotify( FileWatcher* parent ) : + FileWatcherImpl( parent ), mFD( -1 ), mThread( NULL ), mIsTakingAction( false ) { + mFD = inotify_init(); + + if ( mFD < 0 ) { + efDEBUG( "Error: %s\n", strerror( errno ) ); + } else { + mInitOK = true; + } +} + +FileWatcherInotify::~FileWatcherInotify() { + mInitOK = false; + // There is deadlock when release FileWatcherInotify instance since its handAction + // function is still running and hangs in requiring lock without init lock captured. + while ( mIsTakingAction ) { + // It'd use condition-wait instead of sleep. Actually efsw has no such + // implementation so we just skip and sleep while for that to avoid deadlock. + usleep( 1000 ); + }; + Lock initLock( mInitLock ); + + efSAFE_DELETE( mThread ); + + Lock l( mWatchesLock ); + Lock l2( mRealWatchesLock ); + + WatchMap::iterator iter = mWatches.begin(); + WatchMap::iterator end = mWatches.end(); + + for ( ; iter != end; ++iter ) { + efSAFE_DELETE( iter->second ); + } + + mWatches.clear(); + + if ( mFD != -1 ) { + close( mFD ); + mFD = -1; + } +} + +WatchID FileWatcherInotify::addWatch( const std::string& directory, FileWatchListener* watcher, + bool recursive, const std::vector& options ) { + if ( !mInitOK ) + return Errors::Log::createLastError( Errors::Unspecified, directory ); + Lock initLock( mInitLock ); + bool syntheticEvents = getOptionValue( options, Options::LinuxProduceSyntheticEvents, 0 ) != 0; + return addWatch( directory, watcher, recursive, syntheticEvents, NULL ); +} + +WatchID FileWatcherInotify::addWatch( const std::string& directory, FileWatchListener* watcher, + bool recursive, bool syntheticEvents, WatcherInotify* parent, + bool fromInternalEvent ) { + std::string dir( directory ); + + FileSystem::dirAddSlashAtEnd( dir ); + + FileInfo fi( dir ); + + if ( !fi.isDirectory() ) { + return Errors::Log::createLastError( Errors::FileNotFound, dir ); + } else if ( !fi.isReadable() ) { + return Errors::Log::createLastError( Errors::FileNotReadable, dir ); + } else if ( pathInWatches( dir ) ) { + return Errors::Log::createLastError( Errors::FileRepeated, directory ); + } else if ( NULL != parent && FileSystem::isRemoteFS( dir ) ) { + return Errors::Log::createLastError( Errors::FileRemote, dir ); + } + + /// Check if the directory is a symbolic link + std::string curPath; + std::string link( FileSystem::getLinkRealPath( dir, curPath ) ); + + if ( "" != link ) { + /// Avoid adding symlinks directories if it's now enabled + if ( NULL != parent && !mFileWatcher->followSymlinks() ) { + return Errors::Log::createLastError( Errors::FileOutOfScope, dir ); + } + + /// If it's a symlink check if the realpath exists as a watcher, or + /// if the path is outside the current dir + if ( pathInWatches( link ) ) { + return Errors::Log::createLastError( Errors::FileRepeated, directory ); + } else if ( !linkAllowed( curPath, link ) ) { + return Errors::Log::createLastError( Errors::FileOutOfScope, dir ); + } else { + dir = link; + } + } + + int wd = inotify_add_watch( mFD, dir.c_str(), + IN_CLOSE_WRITE | IN_MOVED_TO | IN_CREATE | IN_MOVED_FROM | + IN_DELETE | IN_MODIFY ); + + if ( wd < 0 ) { + if ( errno == ENOENT ) { + return Errors::Log::createLastError( Errors::FileNotFound, dir ); + } else { + return Errors::Log::createLastError( Errors::Unspecified, + std::string( strerror( errno ) ) ); + } + } + + // The watch could exists if a file was moved between directories that are being watched + // In that case we need to remove the local watch information but *keep* the inotify watch id + // open, to be reused with the new watch. + { + Lock lock( mWatchesLock ); + auto watchIdExists = mWatches.find( wd ); + if ( watchIdExists != mWatches.end() ) + removeWatchLocked( wd, true ); + } + + efDEBUG( "Added watch %s with id: %d\n", dir.c_str(), wd ); + + WatcherInotify* pWatch = new WatcherInotify(); + pWatch->Listener = watcher; + pWatch->ID = parent ? parent->ID : wd; + pWatch->InotifyID = wd; + pWatch->Directory = dir; + pWatch->Recursive = recursive; + pWatch->Parent = parent; + pWatch->syntheticEvents = syntheticEvents; + + { + Lock lock( mWatchesLock ); + mWatches[wd] = pWatch; + mWatchesRef[pWatch->Directory] = wd; + } + + if ( NULL == pWatch->Parent ) { + Lock l( mRealWatchesLock ); + mRealWatches[pWatch->InotifyID] = pWatch; + } + + if ( pWatch->Recursive ) { + std::map files = FileSystem::filesInfoFromPath( pWatch->Directory ); + + if ( fromInternalEvent && parent != NULL && syntheticEvents ) { + for ( const auto& file : files ) { + if ( file.second.isRegularFile() || file.second.isDirectory() || + file.second.isLink() ) { + pWatch->Listener->handleFileAction( + pWatch->ID, pWatch->Directory, + FileSystem::fileNameFromPath( file.second.Filepath ), Actions::Add ); + } + } + } + + std::map::iterator it = files.begin(); + + for ( ; it != files.end(); ++it ) { + if ( !mInitOK ) + break; + + const FileInfo& cfi = it->second; + + if ( cfi.isDirectory() && cfi.isReadable() ) { + addWatch( cfi.Filepath, watcher, recursive, syntheticEvents, pWatch, + fromInternalEvent ); + } + } + } + + return wd; +} + +void FileWatcherInotify::removeWatchLocked( WatchID watchid, bool skipInotifyRemove ) { + WatchMap::iterator iter = mWatches.find( watchid ); + if ( iter == mWatches.end() ) + return; + + WatcherInotify* watch = iter->second; + + for ( std::vector>::iterator itm = + mMovedOutsideWatches.begin(); + mMovedOutsideWatches.end() != itm; ++itm ) { + if ( itm->first == watch ) { + mMovedOutsideWatches.erase( itm ); + break; + } + } + + if ( watch->Recursive && NULL == watch->Parent ) { + WatchMap::iterator it = mWatches.begin(); + std::vector eraseWatches; + + for ( ; it != mWatches.end(); ++it ) + if ( it->second != watch && it->second->inParentTree( watch ) ) + eraseWatches.push_back( it->second->InotifyID ); + + for ( std::vector::iterator eit = eraseWatches.begin(); eit != eraseWatches.end(); + ++eit ) { + removeWatch( *eit ); + } + } + + mWatchesRef.erase( watch->Directory ); + mWatches.erase( iter ); + + if ( NULL == watch->Parent ) { + WatchMap::iterator eraseit = mRealWatches.find( watch->InotifyID ); + + if ( eraseit != mRealWatches.end() ) { + mRealWatches.erase( eraseit ); + } + } + + if ( !skipInotifyRemove ) { + int err = inotify_rm_watch( mFD, watchid ); + + if ( err < 0 ) { + efDEBUG( "Error removing watch %d: %s\n", watchid, strerror( errno ) ); + } else { + efDEBUG( "Removed watch %s with id: %d\n", watch->Directory.c_str(), watchid ); + } + } + + efSAFE_DELETE( watch ); +} + +void FileWatcherInotify::removeWatch( const std::string& directory ) { + if ( !mInitOK ) + return; + Lock initLock( mInitLock ); + Lock lock( mWatchesLock ); + Lock l( mRealWatchesLock ); + + std::unordered_map::iterator ref = mWatchesRef.find( directory ); + if ( ref == mWatchesRef.end() ) + return; + + removeWatchLocked( ref->second ); +} + +void FileWatcherInotify::removeWatch( WatchID watchid ) { + if ( !mInitOK ) + return; + Lock initLock( mInitLock ); + Lock lock( mWatchesLock ); + removeWatchLocked( watchid ); +} + +void FileWatcherInotify::watch() { + if ( NULL == mThread ) { + mThread = new Thread( [this] { run(); } ); + mThread->launch(); + } +} + +Watcher* FileWatcherInotify::watcherContainsDirectory( std::string dir ) { + FileSystem::dirRemoveSlashAtEnd( dir ); + std::string watcherPath = FileSystem::pathRemoveFileName( dir ); + FileSystem::dirAddSlashAtEnd( watcherPath ); + Lock lock( mWatchesLock ); + + for ( WatchMap::iterator it = mWatches.begin(); it != mWatches.end(); ++it ) { + Watcher* watcher = it->second; + if ( watcher->Directory == watcherPath ) + return watcher; + } + + return NULL; +} + +void FileWatcherInotify::run() { + char* buff = new char[BUFF_SIZE]; + memset( buff, 0, BUFF_SIZE ); + + WatcherInotify* curWatcher = NULL; + WatcherInotify* currentMoveFrom = NULL; + uint32_t currentMoveCookie = -1; + bool lastWasMovedFrom = false; + std::string prevOldFileName; + + do { + fd_set rfds; + FD_ZERO( &rfds ); + FD_SET( mFD, &rfds ); + timeval timeout; + timeout.tv_sec = 0; + timeout.tv_usec = 100000; + + if ( select( FD_SETSIZE, &rfds, NULL, NULL, &timeout ) > 0 ) { + ssize_t len; + + len = read( mFD, buff, BUFF_SIZE ); + + if ( len != -1 ) { + ssize_t i = 0; + + while ( i < len ) { + struct inotify_event* pevent = (struct inotify_event*)&buff[i]; + + { + curWatcher = NULL; + + { + Lock lock( mWatchesLock ); + + auto wit = mWatches.find( pevent->wd ); + + if ( wit != mWatches.end() ) + curWatcher = wit->second; + } + + if ( curWatcher ) { + handleAction( curWatcher, (char*)pevent->name, pevent->mask ); + + // Check if this is the destination of a move + if ( ( pevent->mask & IN_MOVED_TO ) && currentMoveFrom && + pevent->cookie == currentMoveCookie ) { + + // If the move happened between TWO DIFFERENT watched directories + if ( curWatcher != currentMoveFrom ) { + // We need to simulate a delete event, the IN_MOVED_TO will + // generate an add event after + handleAction( currentMoveFrom, currentMoveFrom->OldFileName, + IN_DELETE ); + + // Clear the state on the source watcher so it doesn't + // get processed again or stuck with stale data. + currentMoveFrom->OldFileName = ""; + } + // Else: If curWatcher == currentMoveFrom, it's a local rename. + // handleAction() above already detected the OldFileName and + // emitted a 'Moved' event correctly. + + /// Pair processed successfully + currentMoveFrom = NULL; + currentMoveCookie = -1; + } else if ( pevent->mask & IN_MOVED_FROM ) { + // Previous event was moved from and current event is moved from + // Treat it as a DELETE or moved outside watches + if ( lastWasMovedFrom && currentMoveFrom ) { + mMovedOutsideWatches.push_back( + std::make_pair( currentMoveFrom, prevOldFileName ) ); + } + + currentMoveFrom = curWatcher; + currentMoveCookie = pevent->cookie; + } else { + /// Keep track of the IN_MOVED_FROM events to know + /// if the IN_MOVED_TO event is also fired + if ( currentMoveFrom ) { + if ( std::find_if( mMovedOutsideWatches.begin(), + mMovedOutsideWatches.end(), + [currentMoveFrom]( + const std::pair& moved ) { + return moved.first == currentMoveFrom; + } ) == mMovedOutsideWatches.end() ) { + mMovedOutsideWatches.push_back( + std::make_pair( currentMoveFrom, prevOldFileName ) ); + } else { + efDEBUG( "Info: Tried to add watch to the moved outside " + "watches but it was already there, Watch ID: %d - " + "Address: %p - Path: \"%s\" - prevOldFileName: " + "\"%s\"\n", + pevent->wd, currentMoveFrom, + currentMoveFrom->Directory.c_str(), + prevOldFileName.c_str() ); + } + } + + currentMoveFrom = NULL; + currentMoveCookie = -1; + } + } + + lastWasMovedFrom = ( pevent->mask & IN_MOVED_FROM ) != 0; + if ( pevent->mask & IN_MOVED_FROM ) + prevOldFileName = std::string( (char*)pevent->name ); + } + + i += sizeof( struct inotify_event ) + pevent->len; + } + } + + // If the last event was also IN_MODEV_FROM we didn't generate any event for that one + // Treat it as a DELETE or moved outside watches + if ( lastWasMovedFrom && currentMoveFrom ) { + mMovedOutsideWatches.push_back( + std::make_pair( currentMoveFrom, prevOldFileName ) ); + currentMoveFrom = NULL; + lastWasMovedFrom = false; + prevOldFileName.clear(); + } + } else { + // Here means no event received + // If last event is IN_MOVED_FROM, we assume no IN_MOVED_TO + if ( currentMoveFrom ) { + if ( std::find_if( + mMovedOutsideWatches.begin(), mMovedOutsideWatches.end(), + [currentMoveFrom]( const std::pair& moved ) { + return moved.first == currentMoveFrom; + } ) == mMovedOutsideWatches.end() && + !currentMoveFrom->OldFileName.empty() ) { + mMovedOutsideWatches.push_back( + std::make_pair( currentMoveFrom, currentMoveFrom->OldFileName ) ); + } else { + efDEBUG( "Warning: Tried to add watch to the moved outside " + "watches but it was already there, Watch Address: %p\n", + currentMoveFrom ); + } + } + + currentMoveFrom = NULL; + currentMoveCookie = -1; + } + + if ( !mMovedOutsideWatches.empty() ) { + // We need to make a copy since the element mMovedOutsideWatches could be modified + // during the iteration. + std::vector> movedOutsideWatches( + mMovedOutsideWatches ); + + /// In case that the IN_MOVED_TO is never fired means that the file was moved to other + /// folder + for ( std::vector>::iterator it = + movedOutsideWatches.begin(); + it != movedOutsideWatches.end(); ++it ) { + + // Skip if the watch has already being removed + if ( mMovedOutsideWatches.size() != movedOutsideWatches.size() ) { + bool found = false; + for ( std::vector>::iterator itm = + mMovedOutsideWatches.begin(); + mMovedOutsideWatches.end() != itm; ++itm ) { + if ( itm->first == it->first ) { + found = true; + break; + } + } + if ( !found ) + continue; + } + + Watcher* watch = it->first; + + // Clear the stale OldFileName. + // Since this move is considered complete (moved outside), + // the watcher should not be waiting for a pair anymore. + watch->OldFileName = ""; + + const std::string& oldFileName = it->second; + + /// Check if the file move was a folder already being watched + std::vector eraseWatches; + + { + Lock lock( mWatchesLock ); + + for ( auto wit : mWatches ) { + Watcher* oldWatch = wit.second; + + if ( oldWatch != watch && + -1 != String::strStartsWith( watch->Directory + oldFileName + "/", + oldWatch->Directory ) ) { + eraseWatches.push_back( oldWatch ); + } + } + } + + /// Remove invalid watches + std::stable_sort( eraseWatches.begin(), eraseWatches.end(), + []( const Watcher* left, const Watcher* right ) { + return left->Directory < right->Directory; + } ); + + if ( eraseWatches.empty() ) { + handleAction( watch, oldFileName, IN_DELETE ); + } else { + for ( std::vector::reverse_iterator eit = eraseWatches.rbegin(); + eit != eraseWatches.rend(); ++eit ) { + Watcher* rmWatch = *eit; + + /// Create Delete event for removed watches that have been moved too + if ( Watcher* cntWatch = watcherContainsDirectory( rmWatch->Directory ) ) { + handleAction( cntWatch, + FileSystem::fileNameFromPath( rmWatch->Directory ), + IN_DELETE ); + } + } + } + } + + mMovedOutsideWatches.clear(); + } + } while ( mInitOK ); + + delete[] buff; +} + +void FileWatcherInotify::checkForNewWatcher( Watcher* watch, std::string fpath ) { + FileSystem::dirAddSlashAtEnd( fpath ); + + /// If the watcher is recursive, checks if the new file is a folder, and creates a watcher + if ( watch->Recursive && FileSystem::isDirectory( fpath ) ) { + bool found = false; + + { + Lock lock( mWatchesLock ); + + /// First check if exists + for ( WatchMap::iterator it = mWatches.begin(); it != mWatches.end(); ++it ) { + if ( it->second->Directory == fpath ) { + found = true; + break; + } + } + } + + if ( !found ) { + WatcherInotify* iWatch = static_cast( watch ); + addWatch( fpath, watch->Listener, watch->Recursive, iWatch->syntheticEvents, + static_cast( watch ), true ); + } + } +} + +void FileWatcherInotify::handleAction( Watcher* watch, const std::string& filename, + unsigned long action, std::string ) { + if ( !watch || !watch->Listener || !mInitOK ) { + return; + } + mIsTakingAction = true; + Lock initLock( mInitLock ); + + std::string fpath( watch->Directory + filename ); + + if ( IN_Q_OVERFLOW & action ) { + watch->Listener->handleMissedFileActions( watch->ID, watch->Directory ); + } else if ( ( IN_CLOSE_WRITE & action ) || ( IN_MODIFY & action ) ) { + watch->Listener->handleFileAction( watch->ID, watch->Directory, filename, + Actions::Modified ); + } else if ( IN_MOVED_TO & action ) { + /// If OldFileName doesn't exist means that the file has been moved from other folder, so we + /// just send the Add event + if ( watch->OldFileName.empty() ) { + watch->Listener->handleFileAction( watch->ID, watch->Directory, filename, + Actions::Add ); + + watch->Listener->handleFileAction( watch->ID, watch->Directory, filename, + Actions::Modified ); + + checkForNewWatcher( watch, fpath ); + } else { + watch->Listener->handleFileAction( watch->ID, watch->Directory, filename, + Actions::Moved, watch->OldFileName ); + } + + if ( watch->Recursive && FileSystem::isDirectory( fpath ) && !watch->OldFileName.empty() ) { + /// Update the new directory path + std::string opath( watch->Directory + watch->OldFileName ); + FileSystem::dirAddSlashAtEnd( opath ); + FileSystem::dirAddSlashAtEnd( fpath ); + + Lock lock( mWatchesLock ); + + for ( WatchMap::iterator it = mWatches.begin(); it != mWatches.end(); ++it ) { + if ( it->second->Directory == opath ) { + it->second->Directory = fpath; + it->second->DirInfo = FileInfo( fpath ); + } else if ( -1 != String::strStartsWith( opath, it->second->Directory ) ) { + it->second->Directory = fpath + it->second->Directory.substr( opath.size() ); + it->second->DirInfo.Filepath = it->second->Directory; + } + } + } + + watch->OldFileName = ""; + } else if ( IN_CREATE & action ) { + watch->Listener->handleFileAction( watch->ID, watch->Directory, filename, Actions::Add ); + + checkForNewWatcher( watch, fpath ); + } else if ( IN_MOVED_FROM & action ) { + watch->OldFileName = filename; + } else if ( IN_DELETE & action ) { + watch->Listener->handleFileAction( watch->ID, watch->Directory, filename, Actions::Delete ); + + FileSystem::dirAddSlashAtEnd( fpath ); + + /// If the file erased is a directory and recursive is enabled, removes the directory erased + if ( watch->Recursive ) { + Lock l( mWatchesLock ); + + for ( WatchMap::iterator it = mWatches.begin(); it != mWatches.end(); ++it ) { + if ( it->second->Directory == fpath ) { + removeWatchLocked( it->second->InotifyID ); + break; + } + } + } + } + mIsTakingAction = false; +} + +std::vector FileWatcherInotify::directories() { + std::vector dirs; + + Lock l( mRealWatchesLock ); + + dirs.reserve( mRealWatches.size() ); + + WatchMap::iterator it = mRealWatches.begin(); + + for ( ; it != mRealWatches.end(); ++it ) + dirs.push_back( it->second->Directory ); + + return dirs; +} + +bool FileWatcherInotify::pathInWatches( const std::string& path ) { + Lock l( mRealWatchesLock ); + + /// Search in the real watches, since it must allow adding a watch already watched as a subdir + WatchMap::iterator it = mRealWatches.begin(); + + for ( ; it != mRealWatches.end(); ++it ) + if ( it->second->Directory == path ) + return true; + + return false; +} + +} // namespace efsw + +#endif diff --git a/src/efsw/FileWatcherInotify.hpp b/src/efsw/FileWatcherInotify.hpp new file mode 100644 index 0000000..5598d11 --- /dev/null +++ b/src/efsw/FileWatcherInotify.hpp @@ -0,0 +1,87 @@ +#ifndef EFSW_FILEWATCHERLINUX_HPP +#define EFSW_FILEWATCHERLINUX_HPP + +#include + +#if EFSW_PLATFORM == EFSW_PLATFORM_INOTIFY + +#include +#include +#include +#include + +namespace efsw { + +/// Implementation for Linux based on inotify. +/// @class FileWatcherInotify +class FileWatcherInotify : public FileWatcherImpl { + public: + /// type for a map from WatchID to WatchStruct pointer + typedef std::map WatchMap; + + FileWatcherInotify( FileWatcher* parent ); + + virtual ~FileWatcherInotify(); + + /// Add a directory watch + /// On error returns WatchID with Error type. + WatchID addWatch( const std::string& directory, FileWatchListener* watcher, bool recursive, + const std::vector& options ) override; + + /// Remove a directory watch. This is a brute force lazy search O(nlogn). + void removeWatch( const std::string& directory ) override; + + /// Remove a directory watch. This is a map lookup O(logn). + void removeWatch( WatchID watchid ) override; + + /// Updates the watcher. Must be called often. + void watch() override; + + /// Handles the action + void handleAction( Watcher* watch, const std::string& filename, unsigned long action, + std::string oldFilename = "" ) override; + + /// @return Returns a list of the directories that are being watched + std::vector directories() override; + + protected: + /// Map of WatchID to WatchStruct pointers + WatchMap mWatches; + + /// User added watches + WatchMap mRealWatches; + + std::unordered_map mWatchesRef; + + /// inotify file descriptor + int mFD; + + Thread* mThread; + + Mutex mWatchesLock; + Mutex mRealWatchesLock; + Mutex mInitLock; + bool mIsTakingAction; + std::vector> mMovedOutsideWatches; + + WatchID addWatch( const std::string& directory, FileWatchListener* watcher, bool recursive, + bool syntheticEvents, WatcherInotify* parent = NULL, + bool fromInternalEvent = false ); + + bool pathInWatches( const std::string& path ) override; + + private: + void run(); + + void removeWatchLocked( WatchID watchid, bool skipInotifyRemove = false ); + + void checkForNewWatcher( Watcher* watch, std::string fpath ); + + Watcher* watcherContainsDirectory( std::string dir ); +}; + +} // namespace efsw + +#endif + +#endif diff --git a/src/efsw/FileWatcherKqueue.cpp b/src/efsw/FileWatcherKqueue.cpp new file mode 100644 index 0000000..41b4357 --- /dev/null +++ b/src/efsw/FileWatcherKqueue.cpp @@ -0,0 +1,229 @@ +#include + +#if EFSW_PLATFORM == EFSW_PLATFORM_KQUEUE || EFSW_PLATFORM == EFSW_PLATFORM_FSEVENTS + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +namespace efsw { + +FileWatcherKqueue::FileWatcherKqueue( FileWatcher* parent ) : + FileWatcherImpl( parent ), + mLastWatchID( 0 ), + mThread( NULL ), + mFileDescriptorCount( 1 ), + mAddingWatcher( false ) { + mTimeOut.tv_sec = 0; + mTimeOut.tv_nsec = 0; + mInitOK = true; +} + +FileWatcherKqueue::~FileWatcherKqueue() { + WatchMap::iterator iter = mWatches.begin(); + + for ( ; iter != mWatches.end(); ++iter ) { + efSAFE_DELETE( iter->second ); + } + + mWatches.clear(); + + mInitOK = false; + + efSAFE_DELETE( mThread ); +} + +WatchID FileWatcherKqueue::addWatch( const std::string& directory, FileWatchListener* watcher, + bool recursive, const std::vector& options ) { + static bool s_ug = false; + + std::string dir( directory ); + + FileSystem::dirAddSlashAtEnd( dir ); + + FileInfo fi( dir ); + + if ( !fi.isDirectory() ) { + return Errors::Log::createLastError( Errors::FileNotFound, dir ); + } else if ( !fi.isReadable() ) { + return Errors::Log::createLastError( Errors::FileNotReadable, dir ); + } else if ( pathInWatches( dir ) ) { + return Errors::Log::createLastError( Errors::FileRepeated, directory ); + } + + std::string curPath; + std::string link( FileSystem::getLinkRealPath( dir, curPath ) ); + + if ( "" != link ) { + if ( pathInWatches( link ) ) { + return Errors::Log::createLastError( Errors::FileRepeated, directory ); + } else if ( !linkAllowed( curPath, link ) ) { + return Errors::Log::createLastError( Errors::FileOutOfScope, dir ); + } else { + dir = link; + } + } + + /// Check first if are enough file descriptors available to create another kqueue watcher, + /// otherwise it creates a generic watcher + if ( availablesFD() ) { + mAddingWatcher = true; + + WatcherKqueue* watch = new WatcherKqueue( ++mLastWatchID, dir, watcher, recursive, this ); + + { + Lock lock( mWatchesLock ); + mWatches.insert( std::make_pair( mLastWatchID, watch ) ); + } + + watch->addAll(); + + // if failed to open the directory... erase the watcher + if ( !watch->initOK() ) { + int le = watch->lastErrno(); + + mWatches.erase( watch->ID ); + + efSAFE_DELETE( watch ); + + mLastWatchID--; + + // Probably the folder has too many files, create a generic watcher + if ( EACCES != le ) { + WatcherGeneric* genericWatch = + new WatcherGeneric( ++mLastWatchID, dir, watcher, this, recursive ); + + Lock lock( mWatchesLock ); + mWatches.insert( std::make_pair( mLastWatchID, genericWatch ) ); + } else { + return Errors::Log::createLastError( Errors::Unspecified, link ); + } + } + + mAddingWatcher = false; + } else { + if ( !s_ug ) { + efDEBUG( "Started using generic watcher, file descriptor limit reached: %ld\n", + mFileDescriptorCount ); + s_ug = true; + } + + WatcherGeneric* watch = new WatcherGeneric( ++mLastWatchID, dir, watcher, this, recursive ); + + Lock lock( mWatchesLock ); + mWatches.insert( std::make_pair( mLastWatchID, watch ) ); + } + + return mLastWatchID; +} + +void FileWatcherKqueue::removeWatch( const std::string& directory ) { + Lock lock( mWatchesLock ); + + WatchMap::iterator iter = mWatches.begin(); + + for ( ; iter != mWatches.end(); ++iter ) { + if ( directory == iter->second->Directory ) { + removeWatch( iter->first ); + return; + } + } +} + +void FileWatcherKqueue::removeWatch( WatchID watchid ) { + Lock lock( mWatchesLock ); + + WatchMap::iterator iter = mWatches.find( watchid ); + + if ( iter == mWatches.end() ) + return; + + Watcher* watch = iter->second; + + mWatches.erase( iter ); + + efSAFE_DELETE( watch ); +} + +bool FileWatcherKqueue::isAddingWatcher() const { + return mAddingWatcher; +} + +void FileWatcherKqueue::watch() { + if ( NULL == mThread ) { + mThread = new Thread([this]{run();}); + mThread->launch(); + } +} + +void FileWatcherKqueue::run() { + do { + { + Lock lock( mWatchesLock ); + + for ( WatchMap::iterator it = mWatches.begin(); it != mWatches.end(); ++it ) { + it->second->watch(); + } + } + + System::sleep( 500 ); + } while ( mInitOK ); +} + +void FileWatcherKqueue::handleAction( Watcher* watch, const std::string& filename, + unsigned long action, std::string oldFilename ) {} + +std::vector FileWatcherKqueue::directories() { + std::vector dirs; + + Lock lock( mWatchesLock ); + + dirs.reserve( mWatches.size() ); + + WatchMap::iterator it = mWatches.begin(); + + for ( ; it != mWatches.end(); ++it ) { + dirs.push_back( it->second->Directory ); + } + + return dirs; +} + +bool FileWatcherKqueue::pathInWatches( const std::string& path ) { + WatchMap::iterator it = mWatches.begin(); + + for ( ; it != mWatches.end(); ++it ) { + if ( it->second->Directory == path ) { + return true; + } + } + + return false; +} + +void FileWatcherKqueue::addFD() { + mFileDescriptorCount++; +} + +void FileWatcherKqueue::removeFD() { + mFileDescriptorCount--; +} + +bool FileWatcherKqueue::availablesFD() { + return mFileDescriptorCount <= (Int64)System::getMaxFD() - 500; +} + +} // namespace efsw + +#endif diff --git a/src/efsw/FileWatcherKqueue.hpp b/src/efsw/FileWatcherKqueue.hpp new file mode 100644 index 0000000..ff5327b --- /dev/null +++ b/src/efsw/FileWatcherKqueue.hpp @@ -0,0 +1,81 @@ +#ifndef EFSW_FILEWATCHEROSX_HPP +#define EFSW_FILEWATCHEROSX_HPP + +#include + +#if EFSW_PLATFORM == EFSW_PLATFORM_KQUEUE || EFSW_PLATFORM == EFSW_PLATFORM_FSEVENTS + +#include + +namespace efsw { + +/// Implementation for OSX based on kqueue. +/// @class FileWatcherKqueue +class FileWatcherKqueue : public FileWatcherImpl { + friend class WatcherKqueue; + + public: + FileWatcherKqueue( FileWatcher* parent ); + + virtual ~FileWatcherKqueue(); + + /// Add a directory watch + /// On error returns WatchID with Error type. + WatchID addWatch( const std::string& directory, FileWatchListener* watcher, bool recursive, + const std::vector &options ) override; + + /// Remove a directory watch. This is a brute force lazy search O(nlogn). + void removeWatch( const std::string& directory ) override; + + /// Remove a directory watch. This is a map lookup O(logn). + void removeWatch( WatchID watchid ) override; + + /// Updates the watcher. Must be called often. + void watch() override; + + /// Handles the action + void handleAction( Watcher* watch, const std::string& filename, unsigned long action, + std::string oldFilename = "" ) override; + + /// @return Returns a list of the directories that are being watched + std::vector directories() override; + + protected: + /// Map of WatchID to WatchStruct pointers + WatchMap mWatches; + + /// time out data + struct timespec mTimeOut; + + /// WatchID allocator + int mLastWatchID; + + Thread* mThread; + + Mutex mWatchesLock; + + std::vector mRemoveList; + + long mFileDescriptorCount; + + bool mAddingWatcher; + + bool isAddingWatcher() const; + + bool pathInWatches( const std::string& path ) override; + + void addFD(); + + void removeFD(); + + bool availablesFD(); + + private: + void run(); +}; + +} // namespace efsw + +#endif + +#endif diff --git a/src/efsw/FileWatcherWin32.cpp b/src/efsw/FileWatcherWin32.cpp new file mode 100644 index 0000000..1dd96aa --- /dev/null +++ b/src/efsw/FileWatcherWin32.cpp @@ -0,0 +1,267 @@ +#include +#include +#include +#include +#include + +#if EFSW_PLATFORM == EFSW_PLATFORM_WIN32 + +namespace efsw { + +FileWatcherWin32::FileWatcherWin32( FileWatcher* parent ) : + FileWatcherImpl( parent ), mLastWatchID( 0 ), mThread( NULL ) { + mIOCP = CreateIoCompletionPort( INVALID_HANDLE_VALUE, NULL, 0, 1 ); + if ( mIOCP && mIOCP != INVALID_HANDLE_VALUE ) + mInitOK = true; +} + +FileWatcherWin32::~FileWatcherWin32() { + mInitOK = false; + + if ( mIOCP && mIOCP != INVALID_HANDLE_VALUE ) { + PostQueuedCompletionStatus( mIOCP, 0, reinterpret_cast( this ), NULL ); + } + + efSAFE_DELETE( mThread ); + + removeAllWatches(); + + if ( mIOCP ) + CloseHandle( mIOCP ); +} + +WatchID FileWatcherWin32::addWatch( const std::string& directory, FileWatchListener* watcher, + bool recursive, const std::vector &options ) { + std::string dir( directory ); + + FileInfo fi( dir ); + + if ( !fi.isDirectory() ) { + return Errors::Log::createLastError( Errors::FileNotFound, dir ); + } else if ( !fi.isReadable() ) { + return Errors::Log::createLastError( Errors::FileNotReadable, dir ); + } + + FileSystem::dirAddSlashAtEnd( dir ); + + Lock lock( mWatchesLock ); + + if ( pathInWatches( dir ) ) { + return Errors::Log::createLastError( Errors::FileRepeated, dir ); + } + + WatchID watchid = ++mLastWatchID; + + DWORD bufferSize = static_cast( getOptionValue(options, Option::WinBufferSize, 63 * 1024) ); + DWORD notifyFilter = static_cast( getOptionValue(options, Option::WinNotifyFilter, + FILE_NOTIFY_CHANGE_CREATION | FILE_NOTIFY_CHANGE_LAST_WRITE | + FILE_NOTIFY_CHANGE_FILE_NAME | FILE_NOTIFY_CHANGE_DIR_NAME | + FILE_NOTIFY_CHANGE_SIZE) ); + + WatcherStructWin32* watch = CreateWatch( String::fromUtf8( dir ).toWideString().c_str(), + recursive, bufferSize, notifyFilter, mIOCP ); + + if ( NULL == watch ) { + return Errors::Log::createLastError( Errors::FileNotFound, dir ); + } + + // Add the handle to the handles vector + watch->Watch->ID = watchid; + watch->Watch->Watch = this; + watch->Watch->Listener = watcher; + watch->Watch->DirName = new char[dir.length() + 1]; + strcpy( watch->Watch->DirName, dir.c_str() ); + + mWatches.insert( watch ); + + return watchid; +} + +void FileWatcherWin32::removeWatch( const std::string& directory ) { + Lock lock( mWatchesLock ); + + Watches::iterator iter = mWatches.begin(); + + for ( ; iter != mWatches.end(); ++iter ) { + if ( directory == ( *iter )->Watch->DirName ) { + removeWatch( *iter ); + break; + } + } +} + +void FileWatcherWin32::removeWatch( WatchID watchid ) { + Lock lock( mWatchesLock ); + + Watches::iterator iter = mWatches.begin(); + + for ( ; iter != mWatches.end(); ++iter ) { + // Find the watch ID + if ( ( *iter )->Watch->ID == watchid ) { + removeWatch( *iter ); + return; + } + } +} + +void FileWatcherWin32::removeWatch( WatcherStructWin32* watch ) { + Lock lock( mWatchesLock ); + + DestroyWatch( watch ); + mWatches.erase( watch ); +} + +void FileWatcherWin32::watch() { + if ( NULL == mThread ) { + mThread = new Thread([this]{run();}); + mThread->launch(); + } +} + +void FileWatcherWin32::removeAllWatches() { + Lock lock( mWatchesLock ); + + Watches::iterator iter = mWatches.begin(); + + for ( ; iter != mWatches.end(); ++iter ) { + DestroyWatch( ( *iter ) ); + } + + mWatches.clear(); +} + +void FileWatcherWin32::run() { + do { + if ( mInitOK && !mWatches.empty() ) { + DWORD numOfBytes = 0; + OVERLAPPED* ov = NULL; + ULONG_PTR compKey = 0; + BOOL res = FALSE; + + while ( ( res = GetQueuedCompletionStatus( mIOCP, &numOfBytes, &compKey, &ov, + INFINITE ) ) != FALSE ) { + if ( compKey != 0 && compKey == reinterpret_cast( this ) ) { + break; + } else { + Lock lock( mWatchesLock ); + if (mWatches.find( (WatcherStructWin32*)ov ) != mWatches.end()) + WatchCallback( numOfBytes, ov ); + } + } + } else { + System::sleep( 10 ); + } + } while ( mInitOK ); + + removeAllWatches(); +} + +void FileWatcherWin32::handleAction( Watcher* watch, const std::string& filename, + unsigned long action, std::string /*oldFilename*/ ) { + Action fwAction; + + switch ( action ) { + case FILE_ACTION_RENAMED_OLD_NAME: + watch->OldFileName = filename; + return; + case FILE_ACTION_ADDED: + fwAction = Actions::Add; + break; + case FILE_ACTION_RENAMED_NEW_NAME: { + fwAction = Actions::Moved; + + std::string fpath( watch->Directory + filename ); + + // Update the directory path + if ( watch->Recursive && FileSystem::isDirectory( fpath ) ) { + // Update the new directory path + std::string opath( watch->Directory + watch->OldFileName ); + FileSystem::dirAddSlashAtEnd( opath ); + FileSystem::dirAddSlashAtEnd( fpath ); + + for ( Watches::iterator it = mWatches.begin(); it != mWatches.end(); ++it ) { + if ( ( *it )->Watch->Directory == opath ) { + ( *it )->Watch->Directory = fpath; + + break; + } + } + } + + std::string folderPath( static_cast( watch )->DirName ); + std::string realFilename = filename; + std::size_t sepPos = filename.find_last_of( "/\\" ); + std::string oldFolderPath = + static_cast( watch )->DirName + + watch->OldFileName.substr( 0, watch->OldFileName.find_last_of( "/\\" ) ); + + if ( sepPos != std::string::npos ) { + folderPath += + filename.substr( 0, sepPos + 1 < filename.size() ? sepPos + 1 : sepPos ); + realFilename = filename.substr( sepPos + 1 ); + } + + if ( folderPath == oldFolderPath ) { + watch->Listener->handleFileAction( + watch->ID, folderPath, realFilename, fwAction, + FileSystem::fileNameFromPath( watch->OldFileName ) ); + } else { + watch->Listener->handleFileAction( watch->ID, + static_cast( watch )->DirName, + filename, fwAction, watch->OldFileName ); + } + return; + } + case FILE_ACTION_REMOVED: + fwAction = Actions::Delete; + break; + case FILE_ACTION_MODIFIED: + fwAction = Actions::Modified; + break; + default: + return; + }; + + std::string folderPath( static_cast( watch )->DirName ); + std::string realFilename = filename; + std::size_t sepPos = filename.find_last_of( "/\\" ); + + if ( sepPos != std::string::npos ) { + folderPath += filename.substr( 0, sepPos + 1 < filename.size() ? sepPos + 1 : sepPos ); + realFilename = filename.substr( sepPos + 1 ); + } + + FileSystem::dirAddSlashAtEnd( folderPath ); + + watch->Listener->handleFileAction( watch->ID, folderPath, realFilename, fwAction ); +} + +std::vector FileWatcherWin32::directories() { + std::vector dirs; + + Lock lock( mWatchesLock ); + + dirs.reserve( mWatches.size() ); + + for ( Watches::iterator it = mWatches.begin(); it != mWatches.end(); ++it ) { + dirs.push_back( std::string( ( *it )->Watch->DirName ) ); + } + + return dirs; +} + +bool FileWatcherWin32::pathInWatches( const std::string& path ) { + Lock lock( mWatchesLock ); + + for ( Watches::iterator it = mWatches.begin(); it != mWatches.end(); ++it ) { + if ( ( *it )->Watch->DirName == path ) { + return true; + } + } + + return false; +} + +} // namespace efsw + +#endif diff --git a/src/efsw/FileWatcherWin32.hpp b/src/efsw/FileWatcherWin32.hpp new file mode 100644 index 0000000..3f6f419 --- /dev/null +++ b/src/efsw/FileWatcherWin32.hpp @@ -0,0 +1,71 @@ +#ifndef EFSW_FILEWATCHERWIN32_HPP +#define EFSW_FILEWATCHERWIN32_HPP + +#include + +#if EFSW_PLATFORM == EFSW_PLATFORM_WIN32 + +#include +#include +#include +#include + +namespace efsw { + +/// Implementation for Win32 based on ReadDirectoryChangesW. +/// @class FileWatcherWin32 +class FileWatcherWin32 : public FileWatcherImpl { + public: + /// type for a map from WatchID to WatcherWin32 pointer + typedef std::unordered_set Watches; + + FileWatcherWin32( FileWatcher* parent ); + + virtual ~FileWatcherWin32(); + + /// Add a directory watch + /// On error returns WatchID with Error type. + WatchID addWatch( const std::string& directory, FileWatchListener* watcher, bool recursive, + const std::vector &options ) override; + + /// Remove a directory watch. This is a brute force lazy search O(nlogn). + void removeWatch( const std::string& directory ) override; + + /// Remove a directory watch. This is a map lookup O(logn). + void removeWatch( WatchID watchid ) override; + + /// Updates the watcher. Must be called often. + void watch() override; + + /// Handles the action + void handleAction( Watcher* watch, const std::string& filename, unsigned long action, + std::string oldFilename = "" ) override; + + /// @return Returns a list of the directories that are being watched + std::vector directories() override; + + protected: + HANDLE mIOCP; + Watches mWatches; + + /// The last watchid + WatchID mLastWatchID; + Thread* mThread; + Mutex mWatchesLock; + + bool pathInWatches( const std::string& path ) override; + + /// Remove all directory watches. + void removeAllWatches(); + + void removeWatch( WatcherStructWin32* watch ); + + private: + void run(); +}; + +} // namespace efsw + +#endif + +#endif diff --git a/src/efsw/Lock.hpp b/src/efsw/Lock.hpp new file mode 100644 index 0000000..714f3aa --- /dev/null +++ b/src/efsw/Lock.hpp @@ -0,0 +1,11 @@ +#ifndef EFSW_LOCK_HPP +#define EFSW_LOCK_HPP + +#include +#include + +namespace efsw { + using Lock = std::unique_lock; +} // namespace efsw + +#endif diff --git a/src/efsw/Log.cpp b/src/efsw/Log.cpp new file mode 100644 index 0000000..6f32df7 --- /dev/null +++ b/src/efsw/Log.cpp @@ -0,0 +1,49 @@ +#include +#include + +namespace efsw { namespace Errors { + +static std::string LastError = ""; +static Error LastErrorCode = NoError; + +std::string Log::getLastErrorLog() { + return LastError; +} + +Error Log::getLastErrorCode() { + return LastErrorCode; +} + +void Log::clearLastError() { + LastErrorCode = NoError; + LastError = ""; +} + +Error Log::createLastError( Error err, std::string log ) { + switch ( err ) { + case FileNotFound: + LastError = "File not found ( " + log + " )"; + break; + case FileRepeated: + LastError = "File repeated in watches ( " + log + " )"; + break; + case FileOutOfScope: + LastError = "Symlink file out of scope ( " + log + " )"; + break; + case FileRemote: + LastError = + "File is located in a remote file system, use a generic watcher. ( " + log + " )"; + break; + case WatcherFailed: + LastError = "File system watcher failed ( " + log + " )"; + break; + case Unspecified: + default: + LastError = log; + } + + efDEBUG( "%s\n", LastError.c_str() ); + return err; +} + +}} // namespace efsw::Errors diff --git a/src/efsw/Mutex.hpp b/src/efsw/Mutex.hpp new file mode 100644 index 0000000..c1fca75 --- /dev/null +++ b/src/efsw/Mutex.hpp @@ -0,0 +1,10 @@ +#ifndef EFSW_MUTEX_HPP +#define EFSW_MUTEX_HPP + +#include + +namespace efsw { + using Mutex = std::recursive_mutex; +} // namespace efsw + +#endif diff --git a/src/efsw/String.cpp b/src/efsw/String.cpp new file mode 100644 index 0000000..8c9a3cc --- /dev/null +++ b/src/efsw/String.cpp @@ -0,0 +1,669 @@ +#include +#include +#include + +namespace efsw { + +const std::size_t String::InvalidPos = StringType::npos; + +std::vector String::split( const std::string& str, const char& splitchar, + const bool& pushEmptyString ) { + std::vector tmp; + std::string tmpstr; + + for ( size_t i = 0; i < str.size(); i++ ) { + if ( str[i] == splitchar ) { + if ( pushEmptyString || tmpstr.size() ) { + tmp.push_back( tmpstr ); + tmpstr = ""; + } + } else { + tmpstr += str[i]; + } + } + + if ( tmpstr.size() ) { + tmp.push_back( tmpstr ); + } + + return tmp; +} + +std::vector String::split( const String& str, const Uint32& splitchar, + const bool& pushEmptyString ) { + std::vector tmp; + String tmpstr; + + for ( size_t i = 0; i < str.size(); i++ ) { + if ( str[i] == splitchar ) { + if ( pushEmptyString || tmpstr.size() ) { + tmp.push_back( tmpstr ); + tmpstr = ""; + } + } else { + tmpstr += str[i]; + } + } + + if ( tmpstr.size() ) { + tmp.push_back( tmpstr ); + } + + return tmp; +} + +int String::strStartsWith( const std::string& start, const std::string& str ) { + int pos = -1; + size_t size = start.size(); + + if ( str.size() >= size ) { + for ( std::size_t i = 0; i < size; i++ ) { + if ( start[i] == str[i] ) { + pos = (int)i; + } else { + pos = -1; + break; + } + } + } + + return pos; +} + +int String::strStartsWith( const String& start, const String& str ) { + int pos = -1; + size_t size = start.size(); + + if ( str.size() >= size ) { + for ( std::size_t i = 0; i < size; i++ ) { + if ( start[i] == str[i] ) { + pos = (int)i; + } else { + pos = -1; + break; + } + } + } + + return pos; +} + +String::String() {} + +String::String( char ansiChar, const std::locale& locale ) { + mString += Utf32::DecodeAnsi( ansiChar, locale ); +} + +#ifndef EFSW_NO_WIDECHAR +String::String( wchar_t wideChar ) { + mString += Utf32::DecodeWide( wideChar ); +} +#endif + +String::String( StringBaseType utf32Char ) { + mString += utf32Char; +} + +String::String( const char* uf8String ) { + if ( uf8String ) { + std::size_t length = strlen( uf8String ); + + if ( length > 0 ) { + mString.reserve( length + 1 ); + + Utf8::ToUtf32( uf8String, uf8String + length, std::back_inserter( mString ) ); + } + } +} + +String::String( const std::string& utf8String ) { + mString.reserve( utf8String.length() + 1 ); + + Utf8::ToUtf32( utf8String.begin(), utf8String.end(), std::back_inserter( mString ) ); +} + +String::String( const char* ansiString, const std::locale& locale ) { + if ( ansiString ) { + std::size_t length = strlen( ansiString ); + if ( length > 0 ) { + mString.reserve( length + 1 ); + Utf32::FromAnsi( ansiString, ansiString + length, std::back_inserter( mString ), + locale ); + } + } +} + +String::String( const std::string& ansiString, const std::locale& locale ) { + mString.reserve( ansiString.length() + 1 ); + Utf32::FromAnsi( ansiString.begin(), ansiString.end(), std::back_inserter( mString ), locale ); +} + +#ifndef EFSW_NO_WIDECHAR +String::String( const wchar_t* wideString ) { + if ( wideString ) { + std::size_t length = std::wcslen( wideString ); + if ( length > 0 ) { + mString.reserve( length + 1 ); + Utf32::FromWide( wideString, wideString + length, std::back_inserter( mString ) ); + } + } +} + +String::String( const std::wstring& wideString ) { + mString.reserve( wideString.length() + 1 ); + Utf32::FromWide( wideString.begin(), wideString.end(), std::back_inserter( mString ) ); +} +#endif + +String::String( const StringBaseType* utf32String ) { + if ( utf32String ) + mString = utf32String; +} + +String::String( const StringType& utf32String ) : mString( utf32String ) {} + +String::String( const String& str ) : mString( str.mString ) {} + +String String::fromUtf8( const std::string& utf8String ) { + String::StringType utf32; + + utf32.reserve( utf8String.length() + 1 ); + + Utf8::ToUtf32( utf8String.begin(), utf8String.end(), std::back_inserter( utf32 ) ); + + return String( utf32 ); +} + +String::operator std::string() const { + return toAnsiString(); +} + +std::string String::toAnsiString( const std::locale& locale ) const { + // Prepare the output string + std::string output; + output.reserve( mString.length() + 1 ); + + // Convert + Utf32::ToAnsi( mString.begin(), mString.end(), std::back_inserter( output ), 0, locale ); + + return output; +} + +#ifndef EFSW_NO_WIDECHAR +std::wstring String::toWideString() const { + // Prepare the output string + std::wstring output; + output.reserve( mString.length() + 1 ); + + // Convert + Utf32::ToWide( mString.begin(), mString.end(), std::back_inserter( output ), 0 ); + + return output; +} +#endif + +std::string String::toUtf8() const { + // Prepare the output string + std::string output; + output.reserve( mString.length() + 1 ); + + // Convert + Utf32::toUtf8( mString.begin(), mString.end(), std::back_inserter( output ) ); + + return output; +} + +String& String::operator=( const String& right ) { + mString = right.mString; + return *this; +} + +String& String::operator=( const StringBaseType& right ) { + mString = right; + return *this; +} + +String& String::operator+=( const String& right ) { + mString += right.mString; + return *this; +} + +String& String::operator+=( const StringBaseType& right ) { + mString += right; + return *this; +} + +String::StringBaseType String::operator[]( std::size_t index ) const { + return mString[index]; +} + +String::StringBaseType& String::operator[]( std::size_t index ) { + return mString[index]; +} + +String::StringBaseType String::at( std::size_t index ) const { + return mString.at( index ); +} + +void String::push_back( StringBaseType c ) { + mString.push_back( c ); +} + +void String::swap( String& str ) { + mString.swap( str.mString ); +} + +void String::clear() { + mString.clear(); +} + +std::size_t String::size() const { + return mString.size(); +} + +std::size_t String::length() const { + return mString.length(); +} + +bool String::empty() const { + return mString.empty(); +} + +void String::erase( std::size_t position, std::size_t count ) { + mString.erase( position, count ); +} + +String& String::insert( std::size_t position, const String& str ) { + mString.insert( position, str.mString ); + return *this; +} + +String& String::insert( std::size_t pos1, const String& str, std::size_t pos2, std::size_t n ) { + mString.insert( pos1, str.mString, pos2, n ); + return *this; +} + +String& String::insert( size_t pos1, const char* s, size_t n ) { + String tmp( s ); + + mString.insert( pos1, tmp.data(), n ); + + return *this; +} + +String& String::insert( size_t pos1, size_t n, char c ) { + mString.insert( pos1, n, c ); + return *this; +} + +String& String::insert( size_t pos1, const char* s ) { + String tmp( s ); + + mString.insert( pos1, tmp.data() ); + + return *this; +} + +String::Iterator String::insert( Iterator p, char c ) { + return mString.insert( p, c ); +} + +void String::insert( Iterator p, size_t n, char c ) { + mString.insert( p, n, c ); +} + +const String::StringBaseType* String::c_str() const { + return mString.c_str(); +} + +const String::StringBaseType* String::data() const { + return mString.data(); +} + +String::Iterator String::begin() { + return mString.begin(); +} + +String::ConstIterator String::begin() const { + return mString.begin(); +} + +String::Iterator String::end() { + return mString.end(); +} + +String::ConstIterator String::end() const { + return mString.end(); +} + +String::ReverseIterator String::rbegin() { + return mString.rbegin(); +} + +String::ConstReverseIterator String::rbegin() const { + return mString.rbegin(); +} + +String::ReverseIterator String::rend() { + return mString.rend(); +} + +String::ConstReverseIterator String::rend() const { + return mString.rend(); +} + +void String::resize( std::size_t n, StringBaseType c ) { + mString.resize( n, c ); +} + +void String::resize( std::size_t n ) { + mString.resize( n ); +} + +std::size_t String::max_size() const { + return mString.max_size(); +} + +void String::reserve( size_t res_arg ) { + mString.reserve( res_arg ); +} + +std::size_t String::capacity() const { + return mString.capacity(); +} + +String& String::assign( const String& str ) { + mString.assign( str.mString ); + return *this; +} + +String& String::assign( const String& str, size_t pos, size_t n ) { + mString.assign( str.mString, pos, n ); + return *this; +} + +String& String::assign( const char* s, size_t n ) { + String tmp( s ); + + mString.assign( tmp.mString ); + + return *this; +} + +String& String::assign( const char* s ) { + String tmp( s ); + + mString.assign( tmp.mString ); + + return *this; +} + +String& String::assign( size_t n, char c ) { + mString.assign( n, c ); + + return *this; +} + +String& String::append( const String& str ) { + mString.append( str.mString ); + + return *this; +} + +String& String::append( const String& str, size_t pos, size_t n ) { + mString.append( str.mString, pos, n ); + + return *this; +} + +String& String::append( const char* s, size_t n ) { + String tmp( s ); + + mString.append( tmp.mString ); + + return *this; +} + +String& String::append( const char* s ) { + String tmp( s ); + + mString.append( tmp.mString ); + + return *this; +} + +String& String::append( size_t n, char c ) { + mString.append( n, c ); + + return *this; +} + +String& String::append( std::size_t n, StringBaseType c ) { + mString.append( n, c ); + + return *this; +} + +String& String::replace( size_t pos1, size_t n1, const String& str ) { + mString.replace( pos1, n1, str.mString ); + + return *this; +} + +String& String::replace( Iterator i1, Iterator i2, const String& str ) { + mString.replace( i1, i2, str.mString ); + + return *this; +} + +String& String::replace( size_t pos1, size_t n1, const String& str, size_t pos2, size_t n2 ) { + mString.replace( pos1, n1, str.mString, pos2, n2 ); + + return *this; +} + +String& String::replace( size_t pos1, size_t n1, const char* s, size_t n2 ) { + String tmp( s ); + + mString.replace( pos1, n1, tmp.data(), n2 ); + + return *this; +} + +String& String::replace( Iterator i1, Iterator i2, const char* s, size_t n2 ) { + String tmp( s ); + + mString.replace( i1, i2, tmp.data(), n2 ); + + return *this; +} + +String& String::replace( size_t pos1, size_t n1, const char* s ) { + String tmp( s ); + + mString.replace( pos1, n1, tmp.mString ); + + return *this; +} + +String& String::replace( Iterator i1, Iterator i2, const char* s ) { + String tmp( s ); + + mString.replace( i1, i2, tmp.mString ); + + return *this; +} + +String& String::replace( size_t pos1, size_t n1, size_t n2, char c ) { + mString.replace( pos1, n1, n2, (StringBaseType)c ); + + return *this; +} + +String& String::replace( Iterator i1, Iterator i2, size_t n2, char c ) { + mString.replace( i1, i2, n2, (StringBaseType)c ); + + return *this; +} + +std::size_t String::find( const String& str, std::size_t start ) const { + return mString.find( str.mString, start ); +} + +std::size_t String::find( const char* s, std::size_t pos, std::size_t n ) const { + return find( String( s ), pos ); +} + +std::size_t String::find( const char* s, std::size_t pos ) const { + return find( String( s ), pos ); +} + +size_t String::find( char c, std::size_t pos ) const { + return mString.find( (StringBaseType)c, pos ); +} + +std::size_t String::rfind( const String& str, std::size_t pos ) const { + return mString.rfind( str.mString, pos ); +} + +std::size_t String::rfind( const char* s, std::size_t pos, std::size_t n ) const { + return rfind( String( s ), pos ); +} + +std::size_t String::rfind( const char* s, std::size_t pos ) const { + return rfind( String( s ), pos ); +} + +std::size_t String::rfind( char c, std::size_t pos ) const { + return mString.rfind( c, pos ); +} + +std::size_t String::copy( StringBaseType* s, std::size_t n, std::size_t pos ) const { + return mString.copy( s, n, pos ); +} + +String String::substr( std::size_t pos, std::size_t n ) const { + return String( mString.substr( pos, n ) ); +} + +int String::compare( const String& str ) const { + return mString.compare( str.mString ); +} + +int String::compare( const char* s ) const { + return compare( String( s ) ); +} + +int String::compare( std::size_t pos1, std::size_t n1, const String& str ) const { + return mString.compare( pos1, n1, str.mString ); +} + +int String::compare( std::size_t pos1, std::size_t n1, const char* s ) const { + return compare( pos1, n1, String( s ) ); +} + +int String::compare( std::size_t pos1, std::size_t n1, const String& str, std::size_t pos2, + std::size_t n2 ) const { + return mString.compare( pos1, n1, str.mString, pos2, n2 ); +} + +int String::compare( std::size_t pos1, std::size_t n1, const char* s, std::size_t n2 ) const { + return compare( pos1, n1, String( s ), 0, n2 ); +} + +std::size_t String::find_first_of( const String& str, std::size_t pos ) const { + return mString.find_first_of( str.mString, pos ); +} + +std::size_t String::find_first_of( const char* s, std::size_t pos, std::size_t n ) const { + return find_first_of( String( s ), pos ); +} + +std::size_t String::find_first_of( const char* s, std::size_t pos ) const { + return find_first_of( String( s ), pos ); +} + +std::size_t String::find_first_of( StringBaseType c, std::size_t pos ) const { + return mString.find_first_of( c, pos ); +} + +std::size_t String::find_last_of( const String& str, std::size_t pos ) const { + return mString.find_last_of( str.mString, pos ); +} + +std::size_t String::find_last_of( const char* s, std::size_t pos, std::size_t n ) const { + return find_last_of( String( s ), pos ); +} + +std::size_t String::find_last_of( const char* s, std::size_t pos ) const { + return find_last_of( String( s ), pos ); +} + +std::size_t String::find_last_of( StringBaseType c, std::size_t pos ) const { + return mString.find_last_of( c, pos ); +} + +std::size_t String::find_first_not_of( const String& str, std::size_t pos ) const { + return mString.find_first_not_of( str.mString, pos ); +} + +std::size_t String::find_first_not_of( const char* s, std::size_t pos, std::size_t n ) const { + return find_first_not_of( String( s ), pos ); +} + +std::size_t String::find_first_not_of( const char* s, std::size_t pos ) const { + return find_first_not_of( String( s ), pos ); +} + +std::size_t String::find_first_not_of( StringBaseType c, std::size_t pos ) const { + return mString.find_first_not_of( c, pos ); +} + +std::size_t String::find_last_not_of( const String& str, std::size_t pos ) const { + return mString.find_last_not_of( str.mString, pos ); +} + +std::size_t String::find_last_not_of( const char* s, std::size_t pos, std::size_t n ) const { + return find_last_not_of( String( s ), pos ); +} + +std::size_t String::find_last_not_of( const char* s, std::size_t pos ) const { + return find_last_not_of( String( s ), pos ); +} + +std::size_t String::find_last_not_of( StringBaseType c, std::size_t pos ) const { + return mString.find_last_not_of( c, pos ); +} + +bool operator==( const String& left, const String& right ) { + return left.mString == right.mString; +} + +bool operator!=( const String& left, const String& right ) { + return !( left == right ); +} + +bool operator<( const String& left, const String& right ) { + return left.mString < right.mString; +} + +bool operator>( const String& left, const String& right ) { + return right < left; +} + +bool operator<=( const String& left, const String& right ) { + return !( right < left ); +} + +bool operator>=( const String& left, const String& right ) { + return !( left < right ); +} + +String operator+( const String& left, const String& right ) { + String string = left; + string += right; + + return string; +} + +} // namespace efsw diff --git a/src/efsw/String.hpp b/src/efsw/String.hpp new file mode 100644 index 0000000..b42b945 --- /dev/null +++ b/src/efsw/String.hpp @@ -0,0 +1,630 @@ +/** NOTE: + * This code is based on the Utf implementation from SFML2. License zlib/png ( + *http://www.sfml-dev.org/license.php ) The class was modified to fit efsw own needs. This is not + *the original implementation from SFML2. Functions and methods are the same that in std::string to + *facilitate portability. + **/ + +#ifndef EFSW_STRING_HPP +#define EFSW_STRING_HPP + +#include +#include +#include +#include +#include +#include +#include +#include + +namespace efsw { + +/** @brief Utility string class that automatically handles conversions between types and encodings + * **/ +class String { + public: + typedef char32_t StringBaseType; + typedef std::basic_string StringType; + typedef StringType::iterator Iterator; //! Iterator type + typedef StringType::const_iterator ConstIterator; //! Constant iterator type + typedef StringType::reverse_iterator ReverseIterator; //! Reverse Iterator type + typedef StringType::const_reverse_iterator ConstReverseIterator; //! Constant iterator type + + static const std::size_t InvalidPos; ///< Represents an invalid position in the string + + template static std::string toStr( const T& i ) { + std::ostringstream ss; + ss << i; + return ss.str(); + } + + /** Converts from a string to type */ + template + static bool fromString( T& t, const std::string& s, + std::ios_base& ( *f )( std::ios_base& ) = std::dec ) { + std::istringstream iss( s ); + return !( iss >> f >> t ).fail(); + } + + /** Converts from a String to type */ + template + static bool fromString( T& t, const String& s, + std::ios_base& ( *f )( std::ios_base& ) = std::dec ) { + std::istringstream iss( s.toUtf8() ); + return !( iss >> f >> t ).fail(); + } + + /** Split a string and hold it on a vector */ + static std::vector split( const std::string& str, const char& splitchar, + const bool& pushEmptyString = false ); + + /** Split a string and hold it on a vector */ + static std::vector split( const String& str, const Uint32& splitchar, + const bool& pushEmptyString = false ); + + /** Determine if a string starts with the string passed + ** @param start The substring expected to start + ** @param str The string to compare + ** @return -1 if the substring is no in str, otherwise the size of the substring + */ + static int strStartsWith( const std::string& start, const std::string& str ); + + static int strStartsWith( const String& start, const String& str ); + + /** @brief Construct from an UTF-8 string to UTF-32 according + ** @param uf8String UTF-8 string to convert + **/ + static String fromUtf8( const std::string& utf8String ); + + /** @brief Default constructor + ** This constructor creates an empty string. + **/ + String(); + + /** @brief Construct from a single ANSI character and a locale + ** The source character is converted to UTF-32 according + ** to the given locale. If you want to use the current global + ** locale, rather use the other constructor. + ** @param ansiChar ANSI character to convert + ** @param locale Locale to use for conversion + **/ + String( char ansiChar, const std::locale& locale = std::locale() ); + +#ifndef EFSW_NO_WIDECHAR + /** @brief Construct from single wide character + ** @param wideChar Wide character to convert + **/ + String( wchar_t wideChar ); +#endif + + /** @brief Construct from single UTF-32 character + ** @param utf32Char UTF-32 character to convert + **/ + String( StringBaseType utf32Char ); + + /** @brief Construct from an from a null-terminated C-style UTF-8 string to UTF-32 + ** @param uf8String UTF-8 string to convert + **/ + String( const char* uf8String ); + + /** @brief Construct from an UTF-8 string to UTF-32 according + ** @param uf8String UTF-8 string to convert + **/ + String( const std::string& utf8String ); + + /** @brief Construct from a null-terminated C-style ANSI string and a locale + ** The source string is converted to UTF-32 according + ** to the given locale. If you want to use the current global + ** locale, rather use the other constructor. + ** @param ansiString ANSI string to convert + ** @param locale Locale to use for conversion + **/ + String( const char* ansiString, const std::locale& locale ); + + /** @brief Construct from an ANSI string and a locale + ** The source string is converted to UTF-32 according + ** to the given locale. If you want to use the current global + ** locale, rather use the other constructor. + ** @param ansiString ANSI string to convert + ** @param locale Locale to use for conversion + **/ + String( const std::string& ansiString, const std::locale& locale ); + +#ifndef EFSW_NO_WIDECHAR + /** @brief Construct from null-terminated C-style wide string + ** @param wideString Wide string to convert + **/ + String( const wchar_t* wideString ); + + /** @brief Construct from a wide string + ** @param wideString Wide string to convert + **/ + String( const std::wstring& wideString ); +#endif + + /** @brief Construct from a null-terminated C-style UTF-32 string + ** @param utf32String UTF-32 string to assign + **/ + String( const StringBaseType* utf32String ); + + /** @brief Construct from an UTF-32 string + ** @param utf32String UTF-32 string to assign + **/ + String( const StringType& utf32String ); + + /** @brief Copy constructor + ** @param str Instance to copy + **/ + String( const String& str ); + + /** @brief Implicit cast operator to std::string (ANSI string) + ** The current global locale is used for conversion. If you + ** want to explicitely specify a locale, see toAnsiString. + ** Characters that do not fit in the target encoding are + ** discarded from the returned string. + ** This operator is defined for convenience, and is equivalent + ** to calling toAnsiString(). + ** @return Converted ANSI string + ** @see toAnsiString, operator String + **/ + operator std::string() const; + + /** @brief Convert the unicode string to an ANSI string + ** The UTF-32 string is converted to an ANSI string in + ** the encoding defined by \a locale. If you want to use + ** the current global locale, see the other overload + ** of toAnsiString. + ** Characters that do not fit in the target encoding are + ** discarded from the returned string. + ** @param locale Locale to use for conversion + ** @return Converted ANSI string + ** @see toWideString, operator std::string + **/ + std::string toAnsiString( const std::locale& locale = std::locale() ) const; + +#ifndef EFSW_NO_WIDECHAR + /** @brief Convert the unicode string to a wide string + ** Characters that do not fit in the target encoding are + ** discarded from the returned string. + ** @return Converted wide string + ** @see toAnsiString, operator String + **/ + std::wstring toWideString() const; +#endif + + std::string toUtf8() const; + + /** @brief Overload of assignment operator + ** @param right Instance to assign + ** @return Reference to self + **/ + String& operator=( const String& right ); + + String& operator=( const StringBaseType& right ); + + /** @brief Overload of += operator to append an UTF-32 string + ** @param right String to append + ** @return Reference to self + **/ + String& operator+=( const String& right ); + + String& operator+=( const StringBaseType& right ); + + /** @brief Overload of [] operator to access a character by its position + ** This function provides read-only access to characters. + ** Note: this function doesn't throw if \a index is out of range. + ** @param index Index of the character to get + ** @return Character at position \a index + **/ + StringBaseType operator[]( std::size_t index ) const; + + /** @brief Overload of [] operator to access a character by its position + ** This function provides read and write access to characters. + ** Note: this function doesn't throw if \a index is out of range. + ** @param index Index of the character to get + ** @return Reference to the character at position \a index + **/ + + StringBaseType& operator[]( std::size_t index ); + + /** @brief Get character in string + ** Performs a range check, throwing an exception of type out_of_range in case that pos is not an + *actual position in the string. + ** @return The character at position pos in the string. + */ + StringBaseType at( std::size_t index ) const; + + /** @brief clear the string + ** This function removes all the characters from the string. + ** @see empty, erase + **/ + void clear(); + + /** @brief Get the size of the string + ** @return Number of characters in the string + ** @see empty + **/ + std::size_t size() const; + + /** @see size() */ + std::size_t length() const; + + /** @brief Check whether the string is empty or not + ** @return True if the string is empty (i.e. contains no character) + ** @see clear, size + **/ + bool empty() const; + + /** @brief Erase one or more characters from the string + ** This function removes a sequence of \a count characters + ** starting from \a position. + ** @param position Position of the first character to erase + ** @param count Number of characters to erase + **/ + void erase( std::size_t position, std::size_t count = 1 ); + + /** @brief Insert one or more characters into the string + ** This function inserts the characters of \a str + ** into the string, starting from \a position. + ** @param position Position of insertion + ** @param str Characters to insert + **/ + String& insert( std::size_t position, const String& str ); + + String& insert( std::size_t pos1, const String& str, std::size_t pos2, std::size_t n ); + + String& insert( std::size_t pos1, const char* s, std::size_t n ); + + String& insert( std::size_t pos1, const char* s ); + + String& insert( std::size_t pos1, size_t n, char c ); + + Iterator insert( Iterator p, char c ); + + void insert( Iterator p, std::size_t n, char c ); + + template + void insert( Iterator p, InputIterator first, InputIterator last ) { + mString.insert( p, first, last ); + } + + /** @brief Find a sequence of one or more characters in the string + ** This function searches for the characters of \a str + ** into the string, starting from \a start. + ** @param str Characters to find + ** @param start Where to begin searching + ** @return Position of \a str in the string, or String::InvalidPos if not found + **/ + std::size_t find( const String& str, std::size_t start = 0 ) const; + + std::size_t find( const char* s, std::size_t pos, std::size_t n ) const; + + std::size_t find( const char* s, std::size_t pos = 0 ) const; + + std::size_t find( char c, std::size_t pos = 0 ) const; + + /** @brief Get a pointer to the C-style array of characters + ** This functions provides a read-only access to a + ** null-terminated C-style representation of the string. + ** The returned pointer is temporary and is meant only for + ** immediate use, thus it is not recommended to store it. + ** @return Read-only pointer to the array of characters + **/ + const StringBaseType* c_str() const; + + /** @brief Get string data + ** Notice that no terminating null character is appended (see member c_str for such a + *functionality). + ** The returned array points to an internal location which should not be modified directly in + *the program. + ** Its contents are guaranteed to remain unchanged only until the next call to a non-constant + *member function of the string object. + ** @return Pointer to an internal array containing the same content as the string. + **/ + const StringBaseType* data() const; + + /** @brief Return an iterator to the beginning of the string + ** @return Read-write iterator to the beginning of the string characters + ** @see end + **/ + Iterator begin(); + + /** @brief Return an iterator to the beginning of the string + ** @return Read-only iterator to the beginning of the string characters + ** @see end + **/ + ConstIterator begin() const; + + /** @brief Return an iterator to the beginning of the string + ** The end iterator refers to 1 position past the last character; + ** thus it represents an invalid character and should never be + ** accessed. + ** @return Read-write iterator to the end of the string characters + ** @see begin + **/ + Iterator end(); + + /** @brief Return an iterator to the beginning of the string + ** The end iterator refers to 1 position past the last character; + ** thus it represents an invalid character and should never be + ** accessed. + ** @return Read-only iterator to the end of the string characters + ** @see begin + **/ + ConstIterator end() const; + + /** @brief Return an reverse iterator to the beginning of the string + ** @return Read-write reverse iterator to the beginning of the string characters + ** @see end + **/ + ReverseIterator rbegin(); + + /** @brief Return an reverse iterator to the beginning of the string + ** @return Read-only reverse iterator to the beginning of the string characters + ** @see end + **/ + ConstReverseIterator rbegin() const; + + /** @brief Return an reverse iterator to the beginning of the string + ** The end reverse iterator refers to 1 position past the last character; + ** thus it represents an invalid character and should never be + ** accessed. + ** @return Read-write reverse iterator to the end of the string characters + ** @see begin + **/ + ReverseIterator rend(); + + /** @brief Return an reverse iterator to the beginning of the string + ** The end reverse iterator refers to 1 position past the last character; + ** thus it represents an invalid character and should never be + ** accessed. + ** @return Read-only reverse iterator to the end of the string characters + ** @see begin + **/ + ConstReverseIterator rend() const; + + /** @brief Resize String */ + void resize( std::size_t n, StringBaseType c ); + + /** @brief Resize String */ + void resize( std::size_t n ); + + /** @return Maximum size of string */ + std::size_t max_size() const; + + /** @brief Request a change in capacity */ + void reserve( size_t res_arg = 0 ); + + /** @return Size of allocated storage */ + std::size_t capacity() const; + + /** @brief Append character to string */ + void push_back( StringBaseType c ); + + /** @brief Swap contents with another string */ + void swap( String& str ); + + String& assign( const String& str ); + + String& assign( const String& str, std::size_t pos, std::size_t n ); + + String& assign( const char* s, std::size_t n ); + + String& assign( const char* s ); + + String& assign( std::size_t n, char c ); + + template String& assign( InputIterator first, InputIterator last ) { + mString.assign( first, last ); + return *this; + } + + String& append( const String& str ); + + String& append( const String& str, std::size_t pos, std::size_t n ); + + String& append( const char* s, std::size_t n ); + + String& append( const char* s ); + + String& append( std::size_t n, char c ); + + String& append( std::size_t n, StringBaseType c ); + + template String& append( InputIterator first, InputIterator last ) { + mString.append( first, last ); + return *this; + } + + String& replace( std::size_t pos1, std::size_t n1, const String& str ); + + String& replace( Iterator i1, Iterator i2, const String& str ); + + String& replace( std::size_t pos1, std::size_t n1, const String& str, std::size_t pos2, + std::size_t n2 ); + + String& replace( std::size_t pos1, std::size_t n1, const char* s, std::size_t n2 ); + + String& replace( Iterator i1, Iterator i2, const char* s, std::size_t n2 ); + + String& replace( std::size_t pos1, std::size_t n1, const char* s ); + + String& replace( Iterator i1, Iterator i2, const char* s ); + + String& replace( std::size_t pos1, std::size_t n1, std::size_t n2, char c ); + + String& replace( Iterator i1, Iterator i2, std::size_t n2, char c ); + + template + String& replace( Iterator i1, Iterator i2, InputIterator j1, InputIterator j2 ) { + mString.replace( i1, i2, j1, j2 ); + return *this; + } + + std::size_t rfind( const String& str, std::size_t pos = StringType::npos ) const; + + std::size_t rfind( const char* s, std::size_t pos, std::size_t n ) const; + + std::size_t rfind( const char* s, std::size_t pos = StringType::npos ) const; + + std::size_t rfind( char c, std::size_t pos = StringType::npos ) const; + + String substr( std::size_t pos = 0, std::size_t n = StringType::npos ) const; + + std::size_t copy( StringBaseType* s, std::size_t n, std::size_t pos = 0 ) const; + + int compare( const String& str ) const; + + int compare( const char* s ) const; + + int compare( std::size_t pos1, std::size_t n1, const String& str ) const; + + int compare( std::size_t pos1, std::size_t n1, const char* s ) const; + + int compare( std::size_t pos1, std::size_t n1, const String& str, std::size_t pos2, + std::size_t n2 ) const; + + int compare( std::size_t pos1, std::size_t n1, const char* s, std::size_t n2 ) const; + + std::size_t find_first_of( const String& str, std::size_t pos = 0 ) const; + + std::size_t find_first_of( const char* s, std::size_t pos, std::size_t n ) const; + + std::size_t find_first_of( const char* s, std::size_t pos = 0 ) const; + + std::size_t find_first_of( StringBaseType c, std::size_t pos = 0 ) const; + + std::size_t find_last_of( const String& str, std::size_t pos = StringType::npos ) const; + + std::size_t find_last_of( const char* s, std::size_t pos, std::size_t n ) const; + + std::size_t find_last_of( const char* s, std::size_t pos = StringType::npos ) const; + + std::size_t find_last_of( StringBaseType c, std::size_t pos = StringType::npos ) const; + + std::size_t find_first_not_of( const String& str, std::size_t pos = 0 ) const; + + std::size_t find_first_not_of( const char* s, std::size_t pos, std::size_t n ) const; + + std::size_t find_first_not_of( const char* s, std::size_t pos = 0 ) const; + + std::size_t find_first_not_of( StringBaseType c, std::size_t pos = 0 ) const; + + std::size_t find_last_not_of( const String& str, std::size_t pos = StringType::npos ) const; + + std::size_t find_last_not_of( const char* s, std::size_t pos, std::size_t n ) const; + + std::size_t find_last_not_of( const char* s, std::size_t pos = StringType::npos ) const; + + std::size_t find_last_not_of( StringBaseType c, std::size_t pos = StringType::npos ) const; + + private: + friend bool operator==( const String& left, const String& right ); + friend bool operator<( const String& left, const String& right ); + + StringType mString; ///< Internal string of UTF-32 characters +}; + +/** @relates String +** @brief Overload of == operator to compare two UTF-32 strings +** @param left Left operand (a string) +** @param right Right operand (a string) +** @return True if both strings are equal +**/ +bool operator==( const String& left, const String& right ); + +/** @relates String +** @brief Overload of != operator to compare two UTF-32 strings +** @param left Left operand (a string) +** @param right Right operand (a string) +** @return True if both strings are different +**/ +bool operator!=( const String& left, const String& right ); + +/** @relates String +** @brief Overload of < operator to compare two UTF-32 strings +** @param left Left operand (a string) +** @param right Right operand (a string) +** @return True if \a left is alphabetically lesser than \a right +**/ +bool operator<( const String& left, const String& right ); + +/** @relates String +** @brief Overload of > operator to compare two UTF-32 strings +** @param left Left operand (a string) +** @param right Right operand (a string) +** @return True if \a left is alphabetically greater than \a right +**/ +bool operator>( const String& left, const String& right ); + +/** @relates String +** @brief Overload of <= operator to compare two UTF-32 strings +** @param left Left operand (a string) +** @param right Right operand (a string) +** @return True if \a left is alphabetically lesser or equal than \a right +**/ +bool operator<=( const String& left, const String& right ); + +/** @relates String +** @brief Overload of >= operator to compare two UTF-32 strings +** @param left Left operand (a string) +** @param right Right operand (a string) +** @return True if \a left is alphabetically greater or equal than \a right +**/ +bool operator>=( const String& left, const String& right ); + +/** @relates String +** @brief Overload of binary + operator to concatenate two strings +** @param left Left operand (a string) +** @param right Right operand (a string) +** @return Concatenated string +**/ +String operator+( const String& left, const String& right ); + +} // namespace efsw + +#endif + +/** @class efsw::String +** @ingroup system +** efsw::String is a utility string class defined mainly for +** convenience. It is a Unicode string (implemented using +** UTF-32), thus it can store any character in the world +** (european, chinese, arabic, hebrew, etc.). +** It automatically handles conversions from/to ANSI and +** wide strings, so that you can work with standard string +** classes and still be compatible with functions taking a +** efsw::String. +** @code +** efsw::String s; +** std::string s1 = s; // automatically converted to ANSI string +** String s2 = s; // automatically converted to wide string +** s = "hello"; // automatically converted from ANSI string +** s = L"hello"; // automatically converted from wide string +** s += 'a'; // automatically converted from ANSI string +** s += L'a'; // automatically converted from wide string +** @endcode +** Conversions involving ANSI strings use the default user locale. However +** it is possible to use a custom locale if necessary: +** @code +** std::locale locale; +** efsw::String s; +** ... +** std::string s1 = s.toAnsiString(locale); +** s = efsw::String("hello", locale); +** @endcode +** +** efsw::String defines the most important functions of the +** standard std::string class: removing, random access, iterating, +** appending, comparing, etc. However it is a simple class +** provided for convenience, and you may have to consider using +** a more optimized class if your program requires complex string +** handling. The automatic conversion functions will then take +** care of converting your string to efsw::String whenever EE +** requires it. +** +** Please note that EE also defines a low-level, generic +** interface for Unicode handling, see the efsw::Utf classes. +** +** All credits to Laurent Gomila, i just modified and expanded a little bit the implementation. +**/ diff --git a/src/efsw/System.cpp b/src/efsw/System.cpp new file mode 100644 index 0000000..ba68bf4 --- /dev/null +++ b/src/efsw/System.cpp @@ -0,0 +1,22 @@ +#include +#include + +namespace efsw { + +void System::sleep( const unsigned long& ms ) { + Platform::System::sleep( ms ); +} + +std::string System::getProcessPath() { + return Platform::System::getProcessPath(); +} + +void System::maxFD() { + Platform::System::maxFD(); +} + +Uint64 System::getMaxFD() { + return Platform::System::getMaxFD(); +} + +} // namespace efsw diff --git a/src/efsw/System.hpp b/src/efsw/System.hpp new file mode 100644 index 0000000..498e121 --- /dev/null +++ b/src/efsw/System.hpp @@ -0,0 +1,25 @@ +#ifndef EFSW_SYSTEM_HPP +#define EFSW_SYSTEM_HPP + +#include + +namespace efsw { + +class System { + public: + /// Sleep for x milliseconds + static void sleep( const unsigned long& ms ); + + /// @return The process binary path + static std::string getProcessPath(); + + /// Maximize the number of file descriptors allowed per process in the current OS + static void maxFD(); + + /// @return The number of supported file descriptors for the process + static Uint64 getMaxFD(); +}; + +} // namespace efsw + +#endif diff --git a/src/efsw/Thread.hpp b/src/efsw/Thread.hpp new file mode 100644 index 0000000..5a5d470 --- /dev/null +++ b/src/efsw/Thread.hpp @@ -0,0 +1,49 @@ +#ifndef EFSW_THREAD_HPP +#define EFSW_THREAD_HPP + +#include +#include +#include +#include + +namespace efsw { + +/** @brief Thread manager class */ +class Thread { + public: + + Thread(std::function fun) + : mFun{std::move(fun)} + { + } + + ~Thread() + { + wait(); + } + + /** Launch the thread */ + void launch() + { + if (!mThread) + mThread.reset(new std::thread{std::move(mFun)}); + } + + /** Wait the thread until end */ + void wait() + { + if (mThread) + { + mThread->join(); + mThread.reset(); + } + } +private: + + std::unique_ptr mThread; + std::function mFun; +}; + +} // namespace efsw + +#endif diff --git a/src/efsw/Utf.hpp b/src/efsw/Utf.hpp new file mode 100644 index 0000000..6e9ea71 --- /dev/null +++ b/src/efsw/Utf.hpp @@ -0,0 +1,721 @@ +/** NOTE: + * This code is based on the Utf implementation from SFML2. License zlib/png ( + *http://www.sfml-dev.org/license.php ) The class was modified to fit efsw own needs. This is not + *the original implementation from SFML2. + * */ + +#ifndef EFSW_UTF_HPP +#define EFSW_UTF_HPP + +//////////////////////////////////////////////////////////// +// Headers +//////////////////////////////////////////////////////////// +#include +#include +#include +#include + +namespace efsw { + +template class Utf; + +//////////////////////////////////////////////////////////// +/// \brief Specialization of the Utf template for UTF-8 +/// +//////////////////////////////////////////////////////////// +template <> class Utf<8> { + public: + //////////////////////////////////////////////////////////// + /// \brief Decode a single UTF-8 character + /// + /// Decoding a character means finding its unique 32-bits + /// code (called the codepoint) in the Unicode standard. + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// \param output Codepoint of the decoded UTF-8 character + /// \param replacement Replacement character to use in case the UTF-8 sequence is invalid + /// + /// \return Iterator pointing to one past the last read element of the input sequence + /// + //////////////////////////////////////////////////////////// + template + static In Decode( In begin, In end, Uint32& output, Uint32 replacement = 0 ); + + //////////////////////////////////////////////////////////// + /// \brief Encode a single UTF-8 character + /// + /// Encoding a character means converting a unique 32-bits + /// code (called the codepoint) in the target encoding, UTF-8. + /// + /// \param input Codepoint to encode as UTF-8 + /// \param output Iterator pointing to the beginning of the output sequence + /// \param replacement Replacement for characters not convertible to UTF-8 (use 0 to skip them) + /// + /// \return Iterator to the end of the output sequence which has been written + /// + //////////////////////////////////////////////////////////// + template static Out Encode( Uint32 input, Out output, Uint8 replacement = 0 ); + + //////////////////////////////////////////////////////////// + /// \brief Advance to the next UTF-8 character + /// + /// This function is necessary for multi-elements encodings, as + /// a single character may use more than 1 storage element. + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// + /// \return Iterator pointing to one past the last read element of the input sequence + /// + //////////////////////////////////////////////////////////// + template static In Next( In begin, In end ); + + //////////////////////////////////////////////////////////// + /// \brief Count the number of characters of a UTF-8 sequence + /// + /// This function is necessary for multi-elements encodings, as + /// a single character may use more than 1 storage element, thus the + /// total size can be different from (begin - end). + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// + /// \return Iterator pointing to one past the last read element of the input sequence + /// + //////////////////////////////////////////////////////////// + template static std::size_t Count( In begin, In end ); + + //////////////////////////////////////////////////////////// + /// \brief Convert an ANSI characters range to UTF-8 + /// + /// The current global locale will be used by default, unless you + /// pass a custom one in the \a locale parameter. + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// \param output Iterator pointing to the beginning of the output sequence + /// \param locale Locale to use for conversion + /// + /// \return Iterator to the end of the output sequence which has been written + /// + //////////////////////////////////////////////////////////// + template + static Out FromAnsi( In begin, In end, Out output, const std::locale& locale = std::locale() ); + + //////////////////////////////////////////////////////////// + /// \brief Convert a wide characters range to UTF-8 + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// \param output Iterator pointing to the beginning of the output sequence + /// + /// \return Iterator to the end of the output sequence which has been written + /// + //////////////////////////////////////////////////////////// + template static Out FromWide( In begin, In end, Out output ); + + //////////////////////////////////////////////////////////// + /// \brief Convert a latin-1 (ISO-5589-1) characters range to UTF-8 + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// \param output Iterator pointing to the beginning of the output sequence + /// \param locale Locale to use for conversion + /// + /// \return Iterator to the end of the output sequence which has been written + /// + //////////////////////////////////////////////////////////// + template static Out FromLatin1( In begin, In end, Out output ); + + //////////////////////////////////////////////////////////// + /// \brief Convert an UTF-8 characters range to ANSI characters + /// + /// The current global locale will be used by default, unless you + /// pass a custom one in the \a locale parameter. + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// \param output Iterator pointing to the beginning of the output sequence + /// \param replacement Replacement for characters not convertible to ANSI (use 0 to skip them) + /// \param locale Locale to use for conversion + /// + /// \return Iterator to the end of the output sequence which has been written + /// + //////////////////////////////////////////////////////////// + template + static Out ToAnsi( In begin, In end, Out output, char replacement = 0, + const std::locale& locale = std::locale() ); + +#ifndef EFSW_NO_WIDECHAR + //////////////////////////////////////////////////////////// + /// \brief Convert an UTF-8 characters range to wide characters + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// \param output Iterator pointing to the beginning of the output sequence + /// \param replacement Replacement for characters not convertible to wide (use 0 to skip them) + /// + /// \return Iterator to the end of the output sequence which has been written + /// + //////////////////////////////////////////////////////////// + template + static Out ToWide( In begin, In end, Out output, wchar_t replacement = 0 ); +#endif + + //////////////////////////////////////////////////////////// + /// \brief Convert an UTF-8 characters range to latin-1 (ISO-5589-1) characters + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// \param output Iterator pointing to the beginning of the output sequence + /// \param replacement Replacement for characters not convertible to wide (use 0 to skip them) + /// + /// \return Iterator to the end of the output sequence which has been written + /// + //////////////////////////////////////////////////////////// + template + static Out ToLatin1( In begin, In end, Out output, char replacement = 0 ); + + //////////////////////////////////////////////////////////// + /// \brief Convert a UTF-8 characters range to UTF-8 + /// + /// This functions does nothing more than a direct copy; + /// it is defined only to provide the same interface as other + /// specializations of the efsw::Utf<> template, and allow + /// generic code to be written on top of it. + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// \param output Iterator pointing to the beginning of the output sequence + /// + /// \return Iterator to the end of the output sequence which has been written + /// + //////////////////////////////////////////////////////////// + template static Out toUtf8( In begin, In end, Out output ); + + //////////////////////////////////////////////////////////// + /// \brief Convert a UTF-8 characters range to UTF-16 + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// \param output Iterator pointing to the beginning of the output sequence + /// + /// \return Iterator to the end of the output sequence which has been written + /// + //////////////////////////////////////////////////////////// + template static Out ToUtf16( In begin, In end, Out output ); + + //////////////////////////////////////////////////////////// + /// \brief Convert a UTF-8 characters range to UTF-32 + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// \param output Iterator pointing to the beginning of the output sequence + /// + /// \return Iterator to the end of the output sequence which has been written + /// + //////////////////////////////////////////////////////////// + template static Out ToUtf32( In begin, In end, Out output ); +}; + +//////////////////////////////////////////////////////////// +/// \brief Specialization of the Utf template for UTF-16 +/// +//////////////////////////////////////////////////////////// +template <> class Utf<16> { + public: + //////////////////////////////////////////////////////////// + /// \brief Decode a single UTF-16 character + /// + /// Decoding a character means finding its unique 32-bits + /// code (called the codepoint) in the Unicode standard. + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// \param output Codepoint of the decoded UTF-16 character + /// \param replacement Replacement character to use in case the UTF-8 sequence is invalid + /// + /// \return Iterator pointing to one past the last read element of the input sequence + /// + //////////////////////////////////////////////////////////// + template + static In Decode( In begin, In end, Uint32& output, Uint32 replacement = 0 ); + + //////////////////////////////////////////////////////////// + /// \brief Encode a single UTF-16 character + /// + /// Encoding a character means converting a unique 32-bits + /// code (called the codepoint) in the target encoding, UTF-16. + /// + /// \param input Codepoint to encode as UTF-16 + /// \param output Iterator pointing to the beginning of the output sequence + /// \param replacement Replacement for characters not convertible to UTF-16 (use 0 to skip them) + /// + /// \return Iterator to the end of the output sequence which has been written + /// + //////////////////////////////////////////////////////////// + template static Out Encode( Uint32 input, Out output, Uint16 replacement = 0 ); + + //////////////////////////////////////////////////////////// + /// \brief Advance to the next UTF-16 character + /// + /// This function is necessary for multi-elements encodings, as + /// a single character may use more than 1 storage element. + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// + /// \return Iterator pointing to one past the last read element of the input sequence + /// + //////////////////////////////////////////////////////////// + template static In Next( In begin, In end ); + + //////////////////////////////////////////////////////////// + /// \brief Count the number of characters of a UTF-16 sequence + /// + /// This function is necessary for multi-elements encodings, as + /// a single character may use more than 1 storage element, thus the + /// total size can be different from (begin - end). + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// + /// \return Iterator pointing to one past the last read element of the input sequence + /// + //////////////////////////////////////////////////////////// + template static std::size_t Count( In begin, In end ); + + //////////////////////////////////////////////////////////// + /// \brief Convert an ANSI characters range to UTF-16 + /// + /// The current global locale will be used by default, unless you + /// pass a custom one in the \a locale parameter. + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// \param output Iterator pointing to the beginning of the output sequence + /// \param locale Locale to use for conversion + /// + /// \return Iterator to the end of the output sequence which has been written + /// + //////////////////////////////////////////////////////////// + template + static Out FromAnsi( In begin, In end, Out output, const std::locale& locale = std::locale() ); + + //////////////////////////////////////////////////////////// + /// \brief Convert a wide characters range to UTF-16 + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// \param output Iterator pointing to the beginning of the output sequence + /// + /// \return Iterator to the end of the output sequence which has been written + /// + //////////////////////////////////////////////////////////// + template static Out FromWide( In begin, In end, Out output ); + + //////////////////////////////////////////////////////////// + /// \brief Convert a latin-1 (ISO-5589-1) characters range to UTF-16 + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// \param output Iterator pointing to the beginning of the output sequence + /// \param locale Locale to use for conversion + /// + /// \return Iterator to the end of the output sequence which has been written + /// + //////////////////////////////////////////////////////////// + template static Out FromLatin1( In begin, In end, Out output ); + + //////////////////////////////////////////////////////////// + /// \brief Convert an UTF-16 characters range to ANSI characters + /// + /// The current global locale will be used by default, unless you + /// pass a custom one in the \a locale parameter. + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// \param output Iterator pointing to the beginning of the output sequence + /// \param replacement Replacement for characters not convertible to ANSI (use 0 to skip them) + /// \param locale Locale to use for conversion + /// + /// \return Iterator to the end of the output sequence which has been written + /// + //////////////////////////////////////////////////////////// + template + static Out ToAnsi( In begin, In end, Out output, char replacement = 0, + const std::locale& locale = std::locale() ); + +#ifndef EFSW_NO_WIDECHAR + //////////////////////////////////////////////////////////// + /// \brief Convert an UTF-16 characters range to wide characters + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// \param output Iterator pointing to the beginning of the output sequence + /// \param replacement Replacement for characters not convertible to wide (use 0 to skip them) + /// + /// \return Iterator to the end of the output sequence which has been written + /// + //////////////////////////////////////////////////////////// + template + static Out ToWide( In begin, In end, Out output, wchar_t replacement = 0 ); +#endif + + //////////////////////////////////////////////////////////// + /// \brief Convert an UTF-16 characters range to latin-1 (ISO-5589-1) characters + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// \param output Iterator pointing to the beginning of the output sequence + /// \param replacement Replacement for characters not convertible to wide (use 0 to skip them) + /// + /// \return Iterator to the end of the output sequence which has been written + /// + //////////////////////////////////////////////////////////// + template + static Out ToLatin1( In begin, In end, Out output, char replacement = 0 ); + + //////////////////////////////////////////////////////////// + /// \brief Convert a UTF-16 characters range to UTF-8 + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// \param output Iterator pointing to the beginning of the output sequence + /// + /// \return Iterator to the end of the output sequence which has been written + /// + //////////////////////////////////////////////////////////// + template static Out toUtf8( In begin, In end, Out output ); + + //////////////////////////////////////////////////////////// + /// \brief Convert a UTF-16 characters range to UTF-16 + /// + /// This functions does nothing more than a direct copy; + /// it is defined only to provide the same interface as other + /// specializations of the efsw::Utf<> template, and allow + /// generic code to be written on top of it. + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// \param output Iterator pointing to the beginning of the output sequence + /// + /// \return Iterator to the end of the output sequence which has been written + /// + //////////////////////////////////////////////////////////// + template static Out ToUtf16( In begin, In end, Out output ); + + //////////////////////////////////////////////////////////// + /// \brief Convert a UTF-16 characters range to UTF-32 + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// \param output Iterator pointing to the beginning of the output sequence + /// + /// \return Iterator to the end of the output sequence which has been written + /// + //////////////////////////////////////////////////////////// + template static Out ToUtf32( In begin, In end, Out output ); +}; + +//////////////////////////////////////////////////////////// +/// \brief Specialization of the Utf template for UTF-32 +/// +//////////////////////////////////////////////////////////// +template <> class Utf<32> { + public: + //////////////////////////////////////////////////////////// + /// \brief Decode a single UTF-32 character + /// + /// Decoding a character means finding its unique 32-bits + /// code (called the codepoint) in the Unicode standard. + /// For UTF-32, the character value is the same as the codepoint. + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// \param output Codepoint of the decoded UTF-32 character + /// \param replacement Replacement character to use in case the UTF-8 sequence is invalid + /// + /// \return Iterator pointing to one past the last read element of the input sequence + /// + //////////////////////////////////////////////////////////// + template + static In Decode( In begin, In end, Uint32& output, Uint32 replacement = 0 ); + + //////////////////////////////////////////////////////////// + /// \brief Encode a single UTF-32 character + /// + /// Encoding a character means converting a unique 32-bits + /// code (called the codepoint) in the target encoding, UTF-32. + /// For UTF-32, the codepoint is the same as the character value. + /// + /// \param input Codepoint to encode as UTF-32 + /// \param output Iterator pointing to the beginning of the output sequence + /// \param replacement Replacement for characters not convertible to UTF-32 (use 0 to skip them) + /// + /// \return Iterator to the end of the output sequence which has been written + /// + //////////////////////////////////////////////////////////// + template static Out Encode( Uint32 input, Out output, Uint32 replacement = 0 ); + + //////////////////////////////////////////////////////////// + /// \brief Advance to the next UTF-32 character + /// + /// This function is trivial for UTF-32, which can store + /// every character in a single storage element. + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// + /// \return Iterator pointing to one past the last read element of the input sequence + /// + //////////////////////////////////////////////////////////// + template static In Next( In begin, In end ); + + //////////////////////////////////////////////////////////// + /// \brief Count the number of characters of a UTF-32 sequence + /// + /// This function is trivial for UTF-32, which can store + /// every character in a single storage element. + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// + /// \return Iterator pointing to one past the last read element of the input sequence + /// + //////////////////////////////////////////////////////////// + template static std::size_t Count( In begin, In end ); + + //////////////////////////////////////////////////////////// + /// \brief Convert an ANSI characters range to UTF-32 + /// + /// The current global locale will be used by default, unless you + /// pass a custom one in the \a locale parameter. + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// \param output Iterator pointing to the beginning of the output sequence + /// \param locale Locale to use for conversion + /// + /// \return Iterator to the end of the output sequence which has been written + /// + //////////////////////////////////////////////////////////// + template + static Out FromAnsi( In begin, In end, Out output, const std::locale& locale = std::locale() ); + + //////////////////////////////////////////////////////////// + /// \brief Convert a wide characters range to UTF-32 + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// \param output Iterator pointing to the beginning of the output sequence + /// + /// \return Iterator to the end of the output sequence which has been written + /// + //////////////////////////////////////////////////////////// + template static Out FromWide( In begin, In end, Out output ); + + //////////////////////////////////////////////////////////// + /// \brief Convert a latin-1 (ISO-5589-1) characters range to UTF-32 + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// \param output Iterator pointing to the beginning of the output sequence + /// \param locale Locale to use for conversion + /// + /// \return Iterator to the end of the output sequence which has been written + /// + //////////////////////////////////////////////////////////// + template static Out FromLatin1( In begin, In end, Out output ); + + //////////////////////////////////////////////////////////// + /// \brief Convert an UTF-32 characters range to ANSI characters + /// + /// The current global locale will be used by default, unless you + /// pass a custom one in the \a locale parameter. + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// \param output Iterator pointing to the beginning of the output sequence + /// \param replacement Replacement for characters not convertible to ANSI (use 0 to skip them) + /// \param locale Locale to use for conversion + /// + /// \return Iterator to the end of the output sequence which has been written + /// + //////////////////////////////////////////////////////////// + template + static Out ToAnsi( In begin, In end, Out output, char replacement = 0, + const std::locale& locale = std::locale() ); + +#ifndef EFSW_NO_WIDECHAR + //////////////////////////////////////////////////////////// + /// \brief Convert an UTF-32 characters range to wide characters + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// \param output Iterator pointing to the beginning of the output sequence + /// \param replacement Replacement for characters not convertible to wide (use 0 to skip them) + /// + /// \return Iterator to the end of the output sequence which has been written + /// + //////////////////////////////////////////////////////////// + template + static Out ToWide( In begin, In end, Out output, wchar_t replacement = 0 ); +#endif + + //////////////////////////////////////////////////////////// + /// \brief Convert an UTF-16 characters range to latin-1 (ISO-5589-1) characters + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// \param output Iterator pointing to the beginning of the output sequence + /// \param replacement Replacement for characters not convertible to wide (use 0 to skip them) + /// + /// \return Iterator to the end of the output sequence which has been written + /// + //////////////////////////////////////////////////////////// + template + static Out ToLatin1( In begin, In end, Out output, char replacement = 0 ); + + //////////////////////////////////////////////////////////// + /// \brief Convert a UTF-32 characters range to UTF-8 + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// \param output Iterator pointing to the beginning of the output sequence + /// + /// \return Iterator to the end of the output sequence which has been written + /// + //////////////////////////////////////////////////////////// + template static Out toUtf8( In begin, In end, Out output ); + + //////////////////////////////////////////////////////////// + /// \brief Convert a UTF-32 characters range to UTF-16 + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// \param output Iterator pointing to the beginning of the output sequence + /// + /// \return Iterator to the end of the output sequence which has been written + /// + //////////////////////////////////////////////////////////// + template static Out ToUtf16( In begin, In end, Out output ); + + //////////////////////////////////////////////////////////// + /// \brief Convert a UTF-32 characters range to UTF-32 + /// + /// This functions does nothing more than a direct copy; + /// it is defined only to provide the same interface as other + /// specializations of the efsw::Utf<> template, and allow + /// generic code to be written on top of it. + /// + /// \param begin Iterator pointing to the beginning of the input sequence + /// \param end Iterator pointing to the end of the input sequence + /// \param output Iterator pointing to the beginning of the output sequence + /// + /// \return Iterator to the end of the output sequence which has been written + /// + //////////////////////////////////////////////////////////// + template static Out ToUtf32( In begin, In end, Out output ); + + //////////////////////////////////////////////////////////// + /// \brief Decode a single ANSI character to UTF-32 + /// + /// This function does not exist in other specializations + /// of efsw::Utf<>, it is defined for convenience (it is used by + /// several other conversion functions). + /// + /// \param input Input ANSI character + /// \param locale Locale to use for conversion + /// + /// \return Converted character + /// + //////////////////////////////////////////////////////////// + template + static Uint32 DecodeAnsi( In input, const std::locale& locale = std::locale() ); + + //////////////////////////////////////////////////////////// + /// \brief Decode a single wide character to UTF-32 + /// + /// This function does not exist in other specializations + /// of efsw::Utf<>, it is defined for convenience (it is used by + /// several other conversion functions). + /// + /// \param input Input wide character + /// + /// \return Converted character + /// + //////////////////////////////////////////////////////////// + template static Uint32 DecodeWide( In input ); + + //////////////////////////////////////////////////////////// + /// \brief Encode a single UTF-32 character to ANSI + /// + /// This function does not exist in other specializations + /// of efsw::Utf<>, it is defined for convenience (it is used by + /// several other conversion functions). + /// + /// \param codepoint Iterator pointing to the beginning of the input sequence + /// \param output Iterator pointing to the beginning of the output sequence + /// \param replacement Replacement if the input character is not convertible to ANSI (use 0 to + /// skip it) \param locale Locale to use for conversion + /// + /// \return Iterator to the end of the output sequence which has been written + /// + //////////////////////////////////////////////////////////// + template + static Out EncodeAnsi( Uint32 codepoint, Out output, char replacement = 0, + const std::locale& locale = std::locale() ); + +#ifndef EFSW_NO_WIDECHAR + //////////////////////////////////////////////////////////// + /// \brief Encode a single UTF-32 character to wide + /// + /// This function does not exist in other specializations + /// of efsw::Utf<>, it is defined for convenience (it is used by + /// several other conversion functions). + /// + /// \param codepoint Iterator pointing to the beginning of the input sequence + /// \param output Iterator pointing to the beginning of the output sequence + /// \param replacement Replacement if the input character is not convertible to wide (use 0 to + /// skip it) + /// + /// \return Iterator to the end of the output sequence which has been written + /// + //////////////////////////////////////////////////////////// + template + static Out EncodeWide( Uint32 codepoint, Out output, wchar_t replacement = 0 ); +#endif +}; + +#include "Utf.inl" + +// Make typedefs to get rid of the template syntax +typedef Utf<8> Utf8; +typedef Utf<16> Utf16; +typedef Utf<32> Utf32; + +} // namespace efsw +#endif + +//////////////////////////////////////////////////////////// +/// \class efsw::Utf +/// \ingroup system +/// +/// Utility class providing generic functions for UTF conversions. +/// +/// efsw::Utf is a low-level, generic interface for counting, iterating, +/// encoding and decoding Unicode characters and strings. It is able +/// to handle ANSI, wide, UTF-8, UTF-16 and UTF-32 encodings. +/// +/// efsw::Utf functions are all static, these classes are not meant to +/// be instanciated. All the functions are template, so that you +/// can use any character / string type for a given encoding. +/// +/// It has 3 specializations: +/// \li efsw::Utf<8> (typedef'd to efsw::Utf8) +/// \li efsw::Utf<16> (typedef'd to efsw::Utf16) +/// \li efsw::Utf<32> (typedef'd to efsw::Utf32) +/// +//////////////////////////////////////////////////////////// diff --git a/src/efsw/Utf.inl b/src/efsw/Utf.inl new file mode 100644 index 0000000..7e3e9d6 --- /dev/null +++ b/src/efsw/Utf.inl @@ -0,0 +1,576 @@ +// References : +// http://www.unicode.org/ +// http://www.unicode.org/Public/PROGRAMS/CVTUTF/ConvertUTF.c +// http://www.unicode.org/Public/PROGRAMS/CVTUTF/ConvertUTF.h +// http://people.w3.org/rishida/scripts/uniview/conversion +//////////////////////////////////////////////////////////// + +template In Utf<8>::Decode( In begin, In end, Uint32& output, Uint32 replacement ) { + // Some useful precomputed data + static const int trailing[256] = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5 }; + static const Uint32 offsets[6] = { 0x00000000, 0x00003080, 0x000E2080, + 0x03C82080, 0xFA082080, 0x82082080 }; + + // Decode the character + int trailingBytes = trailing[static_cast( *begin )]; + if ( begin + trailingBytes < end ) { + output = 0; + switch ( trailingBytes ) { + case 5: + output += static_cast( *begin++ ); + output <<= 6; + case 4: + output += static_cast( *begin++ ); + output <<= 6; + case 3: + output += static_cast( *begin++ ); + output <<= 6; + case 2: + output += static_cast( *begin++ ); + output <<= 6; + case 1: + output += static_cast( *begin++ ); + output <<= 6; + case 0: + output += static_cast( *begin++ ); + } + output -= offsets[trailingBytes]; + } else { + // Incomplete character + begin = end; + output = replacement; + } + + return begin; +} + +template Out Utf<8>::Encode( Uint32 input, Out output, Uint8 replacement ) { + // Some useful precomputed data + static const Uint8 firstBytes[7] = { 0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC }; + + // Encode the character + if ( ( input > 0x0010FFFF ) || ( ( input >= 0xD800 ) && ( input <= 0xDBFF ) ) ) { + // Invalid character + if ( replacement ) + *output++ = replacement; + } else { + // Valid character + + // Get the number of bytes to write + int bytesToWrite = 1; + if ( input < 0x80 ) + bytesToWrite = 1; + else if ( input < 0x800 ) + bytesToWrite = 2; + else if ( input < 0x10000 ) + bytesToWrite = 3; + else if ( input <= 0x0010FFFF ) + bytesToWrite = 4; + + // Extract the bytes to write + Uint8 bytes[4]; + switch ( bytesToWrite ) { + case 4: + bytes[3] = static_cast( ( input | 0x80 ) & 0xBF ); + input >>= 6; + case 3: + bytes[2] = static_cast( ( input | 0x80 ) & 0xBF ); + input >>= 6; + case 2: + bytes[1] = static_cast( ( input | 0x80 ) & 0xBF ); + input >>= 6; + case 1: + bytes[0] = static_cast( input | firstBytes[bytesToWrite] ); + } + + // Add them to the output + const Uint8* currentByte = bytes; + switch ( bytesToWrite ) { + case 4: + *output++ = *currentByte++; + case 3: + *output++ = *currentByte++; + case 2: + *output++ = *currentByte++; + case 1: + *output++ = *currentByte++; + } + } + + return output; +} + +template In Utf<8>::Next( In begin, In end ) { + Uint32 codepoint; + return Decode( begin, end, codepoint ); +} + +template std::size_t Utf<8>::Count( In begin, In end ) { + std::size_t length = 0; + while ( begin < end ) { + begin = Next( begin, end ); + ++length; + } + + return length; +} + +template +Out Utf<8>::FromAnsi( In begin, In end, Out output, const std::locale& locale ) { + while ( begin < end ) { + Uint32 codepoint = Utf<32>::DecodeAnsi( *begin++, locale ); + output = Encode( codepoint, output ); + } + + return output; +} + +template Out Utf<8>::FromWide( In begin, In end, Out output ) { + while ( begin < end ) { + Uint32 codepoint = Utf<32>::DecodeWide( *begin++ ); + output = Encode( codepoint, output ); + } + + return output; +} + +template Out Utf<8>::FromLatin1( In begin, In end, Out output ) { + // Latin-1 is directly compatible with Unicode encodings, + // and can thus be treated as (a sub-range of) UTF-32 + while ( begin < end ) + output = Encode( *begin++, output ); + + return output; +} + +template +Out Utf<8>::ToAnsi( In begin, In end, Out output, char replacement, const std::locale& locale ) { + while ( begin < end ) { + Uint32 codepoint; + begin = Decode( begin, end, codepoint ); + output = Utf<32>::EncodeAnsi( codepoint, output, replacement, locale ); + } + + return output; +} + +#ifndef EFSW_NO_WIDECHAR +template +Out Utf<8>::ToWide( In begin, In end, Out output, wchar_t replacement ) { + while ( begin < end ) { + Uint32 codepoint; + begin = Decode( begin, end, codepoint ); + output = Utf<32>::EncodeWide( codepoint, output, replacement ); + } + + return output; +} +#endif + +template +Out Utf<8>::ToLatin1( In begin, In end, Out output, char replacement ) { + // Latin-1 is directly compatible with Unicode encodings, + // and can thus be treated as (a sub-range of) UTF-32 + while ( begin < end ) { + Uint32 codepoint; + begin = Decode( begin, end, codepoint ); + *output++ = codepoint < 256 ? static_cast( codepoint ) : replacement; + } + + return output; +} + +template Out Utf<8>::toUtf8( In begin, In end, Out output ) { + while ( begin < end ) + *output++ = *begin++; + + return output; +} + +template Out Utf<8>::ToUtf16( In begin, In end, Out output ) { + while ( begin < end ) { + Uint32 codepoint; + begin = Decode( begin, end, codepoint ); + output = Utf<16>::Encode( codepoint, output ); + } + + return output; +} + +template Out Utf<8>::ToUtf32( In begin, In end, Out output ) { + while ( begin < end ) { + Uint32 codepoint; + begin = Decode( begin, end, codepoint ); + *output++ = codepoint; + } + + return output; +} + +template In Utf<16>::Decode( In begin, In end, Uint32& output, Uint32 replacement ) { + Uint16 first = *begin++; + + // If it's a surrogate pair, first convert to a single UTF-32 character + if ( ( first >= 0xD800 ) && ( first <= 0xDBFF ) ) { + if ( begin < end ) { + Uint32 second = *begin++; + if ( ( second >= 0xDC00 ) && ( second <= 0xDFFF ) ) { + // The second element is valid: convert the two elements to a UTF-32 character + output = static_cast( ( ( first - 0xD800 ) << 10 ) + ( second - 0xDC00 ) + + 0x0010000 ); + } else { + // Invalid character + output = replacement; + } + } else { + // Invalid character + begin = end; + output = replacement; + } + } else { + // We can make a direct copy + output = first; + } + + return begin; +} + +template Out Utf<16>::Encode( Uint32 input, Out output, Uint16 replacement ) { + if ( input < 0xFFFF ) { + // The character can be copied directly, we just need to check if it's in the valid range + if ( ( input >= 0xD800 ) && ( input <= 0xDFFF ) ) { + // Invalid character (this range is reserved) + if ( replacement ) + *output++ = replacement; + } else { + // Valid character directly convertible to a single UTF-16 character + *output++ = static_cast( input ); + } + } else if ( input > 0x0010FFFF ) { + // Invalid character (greater than the maximum unicode value) + if ( replacement ) + *output++ = replacement; + } else { + // The input character will be converted to two UTF-16 elements + input -= 0x0010000; + *output++ = static_cast( ( input >> 10 ) + 0xD800 ); + *output++ = static_cast( ( input & 0x3FFUL ) + 0xDC00 ); + } + + return output; +} + +template In Utf<16>::Next( In begin, In end ) { + Uint32 codepoint; + return Decode( begin, end, codepoint ); +} + +template std::size_t Utf<16>::Count( In begin, In end ) { + std::size_t length = 0; + while ( begin < end ) { + begin = Next( begin, end ); + ++length; + } + + return length; +} + +template +Out Utf<16>::FromAnsi( In begin, In end, Out output, const std::locale& locale ) { + while ( begin < end ) { + Uint32 codepoint = Utf<32>::DecodeAnsi( *begin++, locale ); + output = Encode( codepoint, output ); + } + + return output; +} + +template Out Utf<16>::FromWide( In begin, In end, Out output ) { + while ( begin < end ) { + Uint32 codepoint = Utf<32>::DecodeWide( *begin++ ); + output = Encode( codepoint, output ); + } + + return output; +} + +template Out Utf<16>::FromLatin1( In begin, In end, Out output ) { + // Latin-1 is directly compatible with Unicode encodings, + // and can thus be treated as (a sub-range of) UTF-32 + while ( begin < end ) + *output++ = *begin++; + + return output; +} + +template +Out Utf<16>::ToAnsi( In begin, In end, Out output, char replacement, const std::locale& locale ) { + while ( begin < end ) { + Uint32 codepoint; + begin = Decode( begin, end, codepoint ); + output = Utf<32>::EncodeAnsi( codepoint, output, replacement, locale ); + } + + return output; +} + +#ifndef EFSW_NO_WIDECHAR +template +Out Utf<16>::ToWide( In begin, In end, Out output, wchar_t replacement ) { + while ( begin < end ) { + Uint32 codepoint; + begin = Decode( begin, end, codepoint ); + output = Utf<32>::EncodeWide( codepoint, output, replacement ); + } + + return output; +} +#endif + +template +Out Utf<16>::ToLatin1( In begin, In end, Out output, char replacement ) { + // Latin-1 is directly compatible with Unicode encodings, + // and can thus be treated as (a sub-range of) UTF-32 + while ( begin < end ) { + *output++ = *begin < 256 ? static_cast( *begin ) : replacement; + begin++; + } + + return output; +} + +template Out Utf<16>::toUtf8( In begin, In end, Out output ) { + while ( begin < end ) { + Uint32 codepoint; + begin = Decode( begin, end, codepoint ); + output = Utf<8>::Encode( codepoint, output ); + } + + return output; +} + +template Out Utf<16>::ToUtf16( In begin, In end, Out output ) { + while ( begin < end ) + *output++ = *begin++; + + return output; +} + +template Out Utf<16>::ToUtf32( In begin, In end, Out output ) { + while ( begin < end ) { + Uint32 codepoint; + begin = Decode( begin, end, codepoint ); + *output++ = codepoint; + } + + return output; +} + +template In Utf<32>::Decode( In begin, In end, Uint32& output, Uint32 ) { + output = *begin++; + return begin; +} + +template Out Utf<32>::Encode( Uint32 input, Out output, Uint32 replacement ) { + *output++ = input; + return output; +} + +template In Utf<32>::Next( In begin, In end ) { + return ++begin; +} + +template std::size_t Utf<32>::Count( In begin, In end ) { + return begin - end; +} + +template +Out Utf<32>::FromAnsi( In begin, In end, Out output, const std::locale& locale ) { + while ( begin < end ) + *output++ = DecodeAnsi( *begin++, locale ); + + return output; +} + +template Out Utf<32>::FromWide( In begin, In end, Out output ) { + while ( begin < end ) + *output++ = DecodeWide( *begin++ ); + + return output; +} + +template Out Utf<32>::FromLatin1( In begin, In end, Out output ) { + // Latin-1 is directly compatible with Unicode encodings, + // and can thus be treated as (a sub-range of) UTF-32 + while ( begin < end ) + *output++ = *begin++; + + return output; +} + +template +Out Utf<32>::ToAnsi( In begin, In end, Out output, char replacement, const std::locale& locale ) { + while ( begin < end ) + output = EncodeAnsi( *begin++, output, replacement, locale ); + + return output; +} + +#ifndef EFSW_NO_WIDECHAR +template +Out Utf<32>::ToWide( In begin, In end, Out output, wchar_t replacement ) { + while ( begin < end ) + output = EncodeWide( *begin++, output, replacement ); + + return output; +} +#endif + +template +Out Utf<32>::ToLatin1( In begin, In end, Out output, char replacement ) { + // Latin-1 is directly compatible with Unicode encodings, + // and can thus be treated as (a sub-range of) UTF-32 + while ( begin < end ) { + *output++ = *begin < 256 ? static_cast( *begin ) : replacement; + begin++; + } + + return output; +} + +template Out Utf<32>::toUtf8( In begin, In end, Out output ) { + while ( begin < end ) + output = Utf<8>::Encode( *begin++, output ); + + return output; +} + +template Out Utf<32>::ToUtf16( In begin, In end, Out output ) { + while ( begin < end ) + output = Utf<16>::Encode( *begin++, output ); + + return output; +} + +template Out Utf<32>::ToUtf32( In begin, In end, Out output ) { + while ( begin < end ) + *output++ = *begin++; + + return output; +} + +template Uint32 Utf<32>::DecodeAnsi( In input, const std::locale& locale ) { + // On Windows, gcc's standard library (glibc++) has almost + // no support for Unicode stuff. As a consequence, in this + // context we can only use the default locale and ignore + // the one passed as parameter. + +#if EFSW_PLATFORM == EFSW_PLATFORM_WIN && /* if Windows ... */ \ + ( defined( __GLIBCPP__ ) || \ + defined( __GLIBCXX__ ) ) && /* ... and standard library is glibc++ ... */ \ + !( defined( __SGI_STL_PORT ) || \ + defined( _STLPORT_VERSION ) ) /* ... and STLPort is not used on top of it */ + + wchar_t character = 0; + mbtowc( &character, &input, 1 ); + return static_cast( character ); + +#else +// Get the facet of the locale which deals with character conversion +#ifndef EFSW_NO_WIDECHAR + const std::ctype& facet = std::use_facet>( locale ); +#else + const std::ctype& facet = std::use_facet>( locale ); +#endif + + // Use the facet to convert each character of the input string + return static_cast( facet.widen( input ) ); + +#endif +} + +template Uint32 Utf<32>::DecodeWide( In input ) { + // The encoding of wide characters is not well defined and is left to the system; + // however we can safely assume that it is UCS-2 on Windows and + // UCS-4 on Unix systems. + // In both cases, a simple copy is enough (UCS-2 is a subset of UCS-4, + // and UCS-4 *is* UTF-32). + + return input; +} + +template +Out Utf<32>::EncodeAnsi( Uint32 codepoint, Out output, char replacement, + const std::locale& locale ) { + // On Windows, gcc's standard library (glibc++) has almost + // no support for Unicode stuff. As a consequence, in this + // context we can only use the default locale and ignore + // the one passed as parameter. + +#if EFSW_PLATFORM == EFSW_PLATFORM_WIN && /* if Windows ... */ \ + ( defined( __GLIBCPP__ ) || \ + defined( __GLIBCXX__ ) ) && /* ... and standard library is glibc++ ... */ \ + !( defined( __SGI_STL_PORT ) || \ + defined( _STLPORT_VERSION ) ) /* ... and STLPort is not used on top of it */ + + char character = 0; + if ( wctomb( &character, static_cast( codepoint ) ) >= 0 ) + *output++ = character; + else if ( replacement ) + *output++ = replacement; + + return output; + +#else +// Get the facet of the locale which deals with character conversion +#ifndef EFSW_NO_WIDECHAR + const std::ctype& facet = std::use_facet>( locale ); +#else + const std::ctype& facet = std::use_facet>( locale ); +#endif + + // Use the facet to convert each character of the input string + *output++ = facet.narrow( static_cast( codepoint ), replacement ); + + return output; + +#endif +} + +#ifndef EFSW_NO_WIDECHAR +template +Out Utf<32>::EncodeWide( Uint32 codepoint, Out output, wchar_t replacement ) { + // The encoding of wide characters is not well defined and is left to the system; + // however we can safely assume that it is UCS-2 on Windows and + // UCS-4 on Unix systems. + // For UCS-2 we need to check if the source characters fits in (UCS-2 is a subset of UCS-4). + // For UCS-4 we can do a direct copy (UCS-4 *is* UTF-32). + + switch ( sizeof( wchar_t ) ) { + case 4: { + *output++ = static_cast( codepoint ); + break; + } + + default: { + if ( ( codepoint <= 0xFFFF ) && ( ( codepoint < 0xD800 ) || ( codepoint > 0xDFFF ) ) ) { + *output++ = static_cast( codepoint ); + } else if ( replacement ) { + *output++ = replacement; + } + break; + } + } + + return output; +} +#endif diff --git a/src/efsw/Watcher.cpp b/src/efsw/Watcher.cpp new file mode 100644 index 0000000..913ae3c --- /dev/null +++ b/src/efsw/Watcher.cpp @@ -0,0 +1,10 @@ +#include + +namespace efsw { + +Watcher::Watcher() : ID( 0 ), Directory( "" ), Listener( NULL ), Recursive( false ) {} + +Watcher::Watcher( WatchID id, std::string directory, FileWatchListener* listener, bool recursive ) : + ID( id ), Directory( directory ), Listener( listener ), Recursive( recursive ) {} + +} // namespace efsw diff --git a/src/efsw/Watcher.hpp b/src/efsw/Watcher.hpp new file mode 100644 index 0000000..84f0980 --- /dev/null +++ b/src/efsw/Watcher.hpp @@ -0,0 +1,29 @@ +#ifndef EFSW_WATCHERIMPL_HPP +#define EFSW_WATCHERIMPL_HPP + +#include +#include + +namespace efsw { + +/** @brief Base Watcher class */ +class Watcher { + public: + Watcher(); + + Watcher( WatchID id, std::string directory, FileWatchListener* listener, bool recursive ); + + virtual ~Watcher() {} + + virtual void watch() {} + + WatchID ID; + std::string Directory; + FileWatchListener* Listener; + bool Recursive; + std::string OldFileName; +}; + +} // namespace efsw + +#endif diff --git a/src/efsw/WatcherFSEvents.cpp b/src/efsw/WatcherFSEvents.cpp new file mode 100644 index 0000000..bc982bf --- /dev/null +++ b/src/efsw/WatcherFSEvents.cpp @@ -0,0 +1,223 @@ +#include +#include +#include +#include + +#if EFSW_PLATFORM == EFSW_PLATFORM_FSEVENTS + +namespace efsw { + +WatcherFSEvents::WatcherFSEvents() : + Watcher(), FWatcher( NULL ), FSStream( NULL ), WatcherGen( NULL ) {} + +WatcherFSEvents::~WatcherFSEvents() { + if ( NULL != FSStream ) { + FSEventStreamStop( FSStream ); + FSEventStreamInvalidate( FSStream ); + FSEventStreamRelease( FSStream ); + } + + efSAFE_DELETE( WatcherGen ); +} + +void WatcherFSEvents::init() { + CFStringRef CFDirectory = + CFStringCreateWithCString( NULL, Directory.c_str(), kCFStringEncodingUTF8 ); + CFArrayRef CFDirectoryArray = CFArrayCreate( NULL, (const void**)&CFDirectory, 1, NULL ); + + Uint32 streamFlags = kFSEventStreamCreateFlagNone; + + if ( FileWatcherFSEvents::isGranular() ) { + streamFlags = efswFSEventStreamCreateFlagFileEvents | efswFSEventStreamCreateFlagNoDefer | + efswFSEventStreamCreateFlagUseExtendedData | + efswFSEventStreamCreateFlagUseCFTypes; + } else { + WatcherGen = new WatcherGeneric( ID, Directory, Listener, FWatcher.load(), Recursive ); + } + + FSEventStreamContext ctx; + /* Initialize context */ + ctx.version = 0; + ctx.info = this; + ctx.retain = NULL; + ctx.release = NULL; + ctx.copyDescription = NULL; + + dispatch_queue_t queue = dispatch_queue_create( NULL, NULL ); + + FSStream = + FSEventStreamCreate( kCFAllocatorDefault, &FileWatcherFSEvents::FSEventCallback, &ctx, + CFDirectoryArray, kFSEventStreamEventIdSinceNow, 0., streamFlags ); + + FSEventStreamSetDispatchQueue( FSStream, queue ); + + FSEventStreamStart( FSStream ); + + CFRelease( CFDirectoryArray ); + CFRelease( CFDirectory ); +} + +void WatcherFSEvents::sendFileAction( WatchID watchid, const std::string& dir, + const std::string& filename, Action action, + std::string oldFilename ) { + Listener->handleFileAction( watchid, FileSystem::precomposeFileName( dir ), + FileSystem::precomposeFileName( filename ), action, + FileSystem::precomposeFileName( oldFilename ) ); +} + +void WatcherFSEvents::sendMissedFileActions( WatchID watchid, + const std::string& dir) { + Listener->handleMissedFileActions( watchid, + FileSystem::precomposeFileName( dir ) ); +} + +void WatcherFSEvents::handleAddModDel( const Uint32& flags, const std::string& path, + std::string& dirPath, std::string& filePath, Uint64 inode ) { + if ( ( flags & efswFSEventStreamEventFlagItemCreated ) && FileInfo::exists( path ) && + ( !SanitizeEvents || FilesAdded.find( inode ) != FilesAdded.end() ) ) { + sendFileAction( ID, dirPath, filePath, Actions::Add ); + + if ( SanitizeEvents ) + FilesAdded.insert( inode ); + } + + if ( flags & ModifiedFlags ) { + sendFileAction( ID, dirPath, filePath, Actions::Modified ); + } + + if ( ( flags & efswFSEventStreamEventFlagItemRemoved ) && !FileInfo::exists( path ) ) { + // Since i don't know the order, at least i try to keep the data consistent with the real + // state + sendFileAction( ID, dirPath, filePath, Actions::Delete ); + + if ( SanitizeEvents ) + FilesAdded.erase( inode ); + } +} + +void WatcherFSEvents::handleActions( std::vector& events ) { + size_t esize = events.size(); + + for ( size_t i = 0; i < esize; i++ ) { + FSEvent& event = events[i]; + + if ( event.Flags & + ( kFSEventStreamEventFlagUserDropped | kFSEventStreamEventFlagKernelDropped | + kFSEventStreamEventFlagMustScanSubDirs) ) { + efDEBUG( "Rescan/Drop event for watch: %s - flags: 0x%x\n", Directory.c_str(), event.Flags ); + std::string dirPath = Directory; + FileSystem::dirRemoveSlashAtEnd( dirPath ); + sendMissedFileActions(ID, dirPath ); + continue; + } + + if ( event.Flags & + ( kFSEventStreamEventFlagEventIdsWrapped | kFSEventStreamEventFlagHistoryDone | + kFSEventStreamEventFlagMount | kFSEventStreamEventFlagUnmount | + kFSEventStreamEventFlagRootChanged ) ) { + continue; + } + + if ( !Recursive ) { + /** In case that is not recursive the watcher, ignore the events from subfolders */ + if ( event.Path.find_last_of( FileSystem::getOSSlash() ) != Directory.size() - 1 ) { + continue; + } + } + + if ( FileWatcherFSEvents::isGranular() ) { + std::string dirPath( FileSystem::pathRemoveFileName( event.Path ) ); + std::string filePath( FileSystem::fileNameFromPath( event.Path ) ); + + if ( event.Flags & + ( efswFSEventStreamEventFlagItemCreated | efswFSEventStreamEventFlagItemRemoved | + efswFSEventStreamEventFlagItemRenamed ) ) { + if ( dirPath != Directory ) { + DirsChanged.insert( dirPath ); + } + } + + // This is a mess. But it's FSEvents faults, because shrinks events from the same file + // in one single event ( so there's no order for them ) For example a file could have + // been added modified and erased, but i can't know if first was erased and then added + // and modified, or added, then modified and then erased. I don't know what they were + // thinking by doing this... + efDEBUG( "Event in: %s - flags: 0x%x\n", event.Path.c_str(), event.Flags ); + + if ( event.Flags & efswFSEventStreamEventFlagItemRenamed ) { + if ( ( i + 1 < esize ) && + ( events[i + 1].Flags & efswFSEventStreamEventFlagItemRenamed ) && + ( events[i + 1].inode == event.inode ) ) { + FSEvent& nEvent = events[i + 1]; + std::string newDir( FileSystem::pathRemoveFileName( nEvent.Path ) ); + std::string newFilepath( FileSystem::fileNameFromPath( nEvent.Path ) ); + + if ( event.Path != nEvent.Path ) { + if ( dirPath == newDir ) { + if ( !FileInfo::exists( event.Path ) || + 0 == strcasecmp( event.Path.c_str(), nEvent.Path.c_str() ) ) { + sendFileAction( ID, dirPath, newFilepath, Actions::Moved, + filePath ); + } else { + sendFileAction( ID, dirPath, filePath, Actions::Moved, + newFilepath ); + } + } else { + sendFileAction( ID, dirPath, filePath, Actions::Delete ); + sendFileAction( ID, newDir, newFilepath, Actions::Add ); + + if ( nEvent.Flags & ModifiedFlags ) { + sendFileAction( ID, newDir, newFilepath, Actions::Modified ); + } + } + } else { + handleAddModDel( nEvent.Flags, nEvent.Path, dirPath, filePath, event.inode ); + } + + if ( nEvent.Flags & ( efswFSEventStreamEventFlagItemCreated | + efswFSEventStreamEventFlagItemRemoved | + efswFSEventStreamEventFlagItemRenamed ) ) { + if ( newDir != Directory ) { + DirsChanged.insert( newDir ); + } + } + + // Skip the renamed file + i++; + } else if ( FileInfo::exists( event.Path ) ) { + sendFileAction( ID, dirPath, filePath, Actions::Add ); + + if ( event.Flags & ModifiedFlags ) { + sendFileAction( ID, dirPath, filePath, Actions::Modified ); + } + } else { + sendFileAction( ID, dirPath, filePath, Actions::Delete ); + } + } else { + handleAddModDel( event.Flags, event.Path, dirPath, filePath, event.inode ); + } + } else { + efDEBUG( "Directory: %s changed\n", event.Path.c_str() ); + DirsChanged.insert( event.Path ); + } + } +} + +void WatcherFSEvents::process() { + std::unordered_set::iterator it = DirsChanged.begin(); + + for ( ; it != DirsChanged.end(); it++ ) { + if ( !FileWatcherFSEvents::isGranular() ) { + WatcherGen->watchDir( ( *it ) ); + } else { + sendFileAction( ID, FileSystem::pathRemoveFileName( ( *it ) ), + FileSystem::fileNameFromPath( ( *it ) ), Actions::Modified ); + } + } + + DirsChanged.clear(); +} + +} // namespace efsw + +#endif diff --git a/src/efsw/WatcherFSEvents.hpp b/src/efsw/WatcherFSEvents.hpp new file mode 100644 index 0000000..fe17ed4 --- /dev/null +++ b/src/efsw/WatcherFSEvents.hpp @@ -0,0 +1,89 @@ +#ifndef EFSW_WATCHERINOTIFY_HPP +#define EFSW_WATCHERINOTIFY_HPP + +#include + +#if EFSW_PLATFORM == EFSW_PLATFORM_FSEVENTS + +#include +#include +#include +#include +#include +#include + +namespace efsw { + +/* OSX < 10.7 has no file events */ +/* So i declare the events constants */ +enum FSEventEvents { + efswFSEventStreamCreateFlagUseCFTypes = 0x00000001, + efswFSEventStreamCreateFlagNoDefer = 0x00000002, + efswFSEventStreamCreateFlagFileEvents = 0x00000010, + efswFSEventStreamCreateFlagUseExtendedData = 0x00000040, + efswFSEventStreamEventFlagItemCreated = 0x00000100, + efswFSEventStreamEventFlagItemRemoved = 0x00000200, + efswFSEventStreamEventFlagItemInodeMetaMod = 0x00000400, + efswFSEventStreamEventFlagItemRenamed = 0x00000800, + efswFSEventStreamEventFlagItemModified = 0x00001000, + efswFSEventStreamEventFlagItemFinderInfoMod = 0x00002000, + efswFSEventStreamEventFlagItemChangeOwner = 0x00004000, + efswFSEventStreamEventFlagItemXattrMod = 0x00008000, + efswFSEventStreamEventFlagItemIsFile = 0x00010000, + efswFSEventStreamEventFlagItemIsDir = 0x00020000, + efswFSEventStreamEventFlagItemIsSymlink = 0x00040000, + efswFSEventsModified = efswFSEventStreamEventFlagItemFinderInfoMod | + efswFSEventStreamEventFlagItemModified | + efswFSEventStreamEventFlagItemInodeMetaMod +}; + +class FileWatcherFSEvents; + +class FSEvent { + public: + FSEvent( std::string path, long flags, Uint64 id, Uint64 inode = 0 ) : + Path( path ), Flags( flags ), Id( id ), inode( inode ) {} + + std::string Path; + long Flags{ 0 }; + Uint64 Id{ 0 }; + Uint64 inode{ 0 }; +}; + +class WatcherFSEvents : public Watcher { + public: + WatcherFSEvents(); + + ~WatcherFSEvents(); + + void init(); + + void handleActions( std::vector& events ); + + void process(); + + Atomic FWatcher; + FSEventStreamRef FSStream; + Uint64 ModifiedFlags{ efswFSEventsModified }; + bool SanitizeEvents{ false }; + + protected: + void handleAddModDel( const Uint32& flags, const std::string& path, std::string& dirPath, + std::string& filePath, Uint64 inode ); + + WatcherGeneric* WatcherGen; + + std::unordered_set DirsChanged; + std::unordered_set FilesAdded; + + void sendFileAction( WatchID watchid, const std::string& dir, const std::string& filename, + Action action, std::string oldFilename = "" ); + + void sendMissedFileActions( WatchID watchid, const std::string& dir); +}; + +} // namespace efsw + +#endif + +#endif diff --git a/src/efsw/WatcherGeneric.cpp b/src/efsw/WatcherGeneric.cpp new file mode 100644 index 0000000..a6bb106 --- /dev/null +++ b/src/efsw/WatcherGeneric.cpp @@ -0,0 +1,33 @@ +#include +#include +#include + +namespace efsw { + +WatcherGeneric::WatcherGeneric( WatchID id, const std::string& directory, FileWatchListener* fwl, + FileWatcherImpl* fw, bool recursive ) : + Watcher( id, directory, fwl, recursive ), WatcherImpl( fw ), DirWatch( NULL ) { + FileSystem::dirAddSlashAtEnd( Directory ); + + DirWatch = new DirWatcherGeneric( NULL, this, directory, recursive, false ); + + DirWatch->addChilds( false ); +} + +WatcherGeneric::~WatcherGeneric() { + efSAFE_DELETE( DirWatch ); +} + +void WatcherGeneric::watch() { + DirWatch->watch(); +} + +void WatcherGeneric::watchDir( std::string dir ) { + DirWatch->watchDir( dir ); +} + +bool WatcherGeneric::pathInWatches( std::string path ) { + return DirWatch->pathInWatches( path ); +} + +} // namespace efsw diff --git a/src/efsw/WatcherGeneric.hpp b/src/efsw/WatcherGeneric.hpp new file mode 100644 index 0000000..d11ec20 --- /dev/null +++ b/src/efsw/WatcherGeneric.hpp @@ -0,0 +1,29 @@ +#ifndef EFSW_WATCHERGENERIC_HPP +#define EFSW_WATCHERGENERIC_HPP + +#include + +namespace efsw { + +class DirWatcherGeneric; + +class WatcherGeneric : public Watcher { + public: + FileWatcherImpl* WatcherImpl; + DirWatcherGeneric* DirWatch; + + WatcherGeneric( WatchID id, const std::string& directory, FileWatchListener* fwl, + FileWatcherImpl* fw, bool recursive ); + + ~WatcherGeneric(); + + void watch() override; + + void watchDir( std::string dir ); + + bool pathInWatches( std::string path ); +}; + +} // namespace efsw + +#endif diff --git a/src/efsw/WatcherInotify.cpp b/src/efsw/WatcherInotify.cpp new file mode 100644 index 0000000..812ddae --- /dev/null +++ b/src/efsw/WatcherInotify.cpp @@ -0,0 +1,21 @@ +#include + +namespace efsw { + +WatcherInotify::WatcherInotify() : Watcher(), Parent( NULL ) {} + +bool WatcherInotify::inParentTree( WatcherInotify* parent ) { + WatcherInotify* tNext = Parent; + + while ( NULL != tNext ) { + if ( tNext == parent ) { + return true; + } + + tNext = tNext->Parent; + } + + return false; +} + +} // namespace efsw diff --git a/src/efsw/WatcherInotify.hpp b/src/efsw/WatcherInotify.hpp new file mode 100644 index 0000000..ec55ed0 --- /dev/null +++ b/src/efsw/WatcherInotify.hpp @@ -0,0 +1,24 @@ +#ifndef EFSW_WATCHERINOTIFY_HPP +#define EFSW_WATCHERINOTIFY_HPP + +#include +#include + +namespace efsw { + +class WatcherInotify : public Watcher { + public: + WatcherInotify(); + + bool inParentTree( WatcherInotify* parent ); + + WatcherInotify* Parent; + WatchID InotifyID; + + FileInfo DirInfo; + bool syntheticEvents{ false }; +}; + +} // namespace efsw + +#endif diff --git a/src/efsw/WatcherKqueue.cpp b/src/efsw/WatcherKqueue.cpp new file mode 100644 index 0000000..424b989 --- /dev/null +++ b/src/efsw/WatcherKqueue.cpp @@ -0,0 +1,566 @@ +#include + +#if EFSW_PLATFORM == EFSW_PLATFORM_KQUEUE || EFSW_PLATFORM == EFSW_PLATFORM_FSEVENTS + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define KEVENT_RESERVE_VALUE ( 10 ) + +#ifndef O_EVTONLY +#define O_EVTONLY ( O_RDONLY | O_NONBLOCK ) +#endif + +namespace efsw { + +int comparator( const void* ke1, const void* ke2 ) { + const KEvent* kev1 = reinterpret_cast( ke1 ); + const KEvent* kev2 = reinterpret_cast( ke2 ); + + if ( NULL != kev2->udata ) { + FileInfo* fi1 = reinterpret_cast( kev1->udata ); + FileInfo* fi2 = reinterpret_cast( kev2->udata ); + + return strcmp( fi1->Filepath.c_str(), fi2->Filepath.c_str() ); + } + + return 1; +} + +WatcherKqueue::WatcherKqueue( WatchID watchid, const std::string& dirname, + FileWatchListener* listener, bool recursive, + FileWatcherKqueue* watcher, WatcherKqueue* parent ) : + Watcher( watchid, dirname, listener, recursive ), + mLastWatchID( 0 ), + mChangeListCount( 0 ), + mKqueue( kqueue() ), + mWatcher( watcher ), + mParent( parent ), + mInitOK( true ), + mErrno( 0 ) { + if ( -1 == mKqueue ) { + efDEBUG( + "kqueue() returned invalid descriptor for directory %s. File descriptors count: %ld\n", + Directory.c_str(), mWatcher->mFileDescriptorCount ); + + mInitOK = false; + mErrno = errno; + } else { + mWatcher->addFD(); + } +} + +WatcherKqueue::~WatcherKqueue() { + // Remove the childs watchers ( sub-folders watches ) + removeAll(); + + for ( size_t i = 0; i < mChangeListCount; i++ ) { + if ( NULL != mChangeList[i].udata ) { + FileInfo* fi = reinterpret_cast( mChangeList[i].udata ); + + efSAFE_DELETE( fi ); + } + } + + close( mKqueue ); + + mWatcher->removeFD(); +} + +void WatcherKqueue::addAll() { + if ( -1 == mKqueue ) { + return; + } + + // scan directory and call addFile(name, false) on each file + FileSystem::dirAddSlashAtEnd( Directory ); + + efDEBUG( "addAll(): Added folder: %s\n", Directory.c_str() ); + + // add base dir + int fd = open( Directory.c_str(), O_EVTONLY ); + + if ( -1 == fd ) { + efDEBUG( "addAll(): Couldn't open folder: %s\n", Directory.c_str() ); + + if ( EACCES != errno ) { + mInitOK = false; + } + + mErrno = errno; + + return; + } + + mDirSnap.setDirectoryInfo( Directory ); + mDirSnap.scan(); + + mChangeList.resize( KEVENT_RESERVE_VALUE ); + + // Creates the kevent for the folder + EV_SET( &mChangeList[0], fd, EVFILT_VNODE, EV_ADD | EV_ENABLE | EV_ONESHOT, + NOTE_DELETE | NOTE_EXTEND | NOTE_WRITE | NOTE_ATTRIB | NOTE_RENAME, 0, 0 ); + + mWatcher->addFD(); + + // Get the files and directories from the directory + FileInfoMap files = FileSystem::filesInfoFromPath( Directory ); + + for ( FileInfoMap::iterator it = files.begin(); it != files.end(); it++ ) { + FileInfo& fi = it->second; + + if ( fi.isRegularFile() ) { + // Add the regular files kevent + addFile( fi.Filepath, false ); + } else if ( Recursive && fi.isDirectory() && fi.isReadable() ) { + // Create another watcher for the subfolders ( if recursive ) + WatchID id = addWatch( fi.Filepath, Listener, Recursive, this ); + + // If the watcher is not adding the watcher means that the directory was created + if ( id > 0 && !mWatcher->isAddingWatcher() ) { + handleFolderAction( fi.Filepath, Actions::Add ); + } + } + } +} + +void WatcherKqueue::removeAll() { + efDEBUG( "removeAll(): Removing all child watchers\n" ); + + std::vector erase; + + for ( WatchMap::iterator it = mWatches.begin(); it != mWatches.end(); it++ ) { + efDEBUG( "removeAll(): Removed child watcher %s\n", it->second->Directory.c_str() ); + + erase.push_back( it->second->ID ); + } + + for ( std::vector::iterator eit = erase.begin(); eit != erase.end(); eit++ ) { + removeWatch( *eit ); + } +} + +void WatcherKqueue::addFile( const std::string& name, bool emitEvents ) { + efDEBUG( "addFile(): Added: %s\n", name.c_str() ); + + // Open the file to get the file descriptor + int fd = open( name.c_str(), O_EVTONLY ); + + if ( fd == -1 ) { + efDEBUG( "addFile(): Could open file descriptor for %s. File descriptor count: %ld\n", + name.c_str(), mWatcher->mFileDescriptorCount ); + + Errors::Log::createLastError( Errors::FileNotReadable, name ); + + if ( EACCES != errno ) { + mInitOK = false; + } + + mErrno = errno; + + return; + } + + mWatcher->addFD(); + + // increase the file kevent file count + mChangeListCount++; + + if ( mChangeListCount + KEVENT_RESERVE_VALUE > mChangeList.size() && + mChangeListCount % KEVENT_RESERVE_VALUE == 0 ) { + size_t reserve_size = mChangeList.size() + KEVENT_RESERVE_VALUE; + mChangeList.resize( reserve_size ); + efDEBUG( "addFile(): Reserverd more KEvents space for %s, space reserved %ld, list actual " + "size %ld.\n", + Directory.c_str(), reserve_size, mChangeListCount ); + } + + // create entry + FileInfo* entry = new FileInfo( name ); + + // set the event data at the end of the list + EV_SET( &mChangeList[mChangeListCount], fd, EVFILT_VNODE, EV_ADD | EV_ENABLE | EV_ONESHOT, + NOTE_DELETE | NOTE_EXTEND | NOTE_WRITE | NOTE_ATTRIB | NOTE_RENAME, 0, (void*)entry ); + + // qsort sort the list by name + qsort( &mChangeList[1], mChangeListCount, sizeof( KEvent ), comparator ); + + // handle action + if ( emitEvents ) { + handleAction( name, Actions::Add ); + } +} + +void WatcherKqueue::removeFile( const std::string& name, bool emitEvents ) { + efDEBUG( "removeFile(): Trying to remove file: %s\n", name.c_str() ); + + // bsearch + KEvent target; + + // Create a temporary file info to search the kevent ( searching the directory ) + FileInfo tempEntry( name ); + + target.udata = &tempEntry; + + // Search the kevent + KEvent* ke = (KEvent*)bsearch( &target, &mChangeList[0], mChangeListCount + 1, sizeof( KEvent ), + comparator ); + + // Trying to remove a non-existing file? + if ( !ke ) { + Errors::Log::createLastError( Errors::FileNotFound, name ); + efDEBUG( "File not removed\n" ); + return; + } + + efDEBUG( "File removed\n" ); + + // handle action + if ( emitEvents ) { + handleAction( name, Actions::Delete ); + } + + // Delete the user data ( FileInfo ) from the kevent closed + FileInfo* del = reinterpret_cast( ke->udata ); + + efSAFE_DELETE( del ); + + // close the file descriptor from the kevent + close( ke->ident ); + + mWatcher->removeFD(); + + memset( ke, 0, sizeof( KEvent ) ); + + // move end to current + memcpy( ke, &mChangeList[mChangeListCount], sizeof( KEvent ) ); + memset( &mChangeList[mChangeListCount], 0, sizeof( KEvent ) ); + --mChangeListCount; +} + +void WatcherKqueue::rescan() { + efDEBUG( "rescan(): Rescanning: %s\n", Directory.c_str() ); + + DirectorySnapshotDiff Diff = mDirSnap.scan(); + + if ( Diff.DirChanged ) { + sendDirChanged(); + } + + if ( Diff.changed() ) { + FileInfoList::iterator it; + MovedList::iterator mit; + + /// Files + DiffIterator( FilesCreated ) { + addFile( ( *it ).Filepath ); + } + + DiffIterator( FilesModified ) { + handleAction( ( *it ).Filepath, Actions::Modified ); + } + + DiffIterator( FilesDeleted ) { + removeFile( ( *it ).Filepath ); + } + + DiffMovedIterator( FilesMoved ) { + handleAction( ( *mit ).second.Filepath, Actions::Moved, ( *mit ).first ); + removeFile( Directory + ( *mit ).first, false ); + addFile( ( *mit ).second.Filepath, false ); + } + + /// Directories + DiffIterator( DirsCreated ) { + handleFolderAction( ( *it ).Filepath, Actions::Add ); + addWatch( ( *it ).Filepath, Listener, Recursive, this ); + } + + DiffIterator( DirsModified ) { + handleFolderAction( ( *it ).Filepath, Actions::Modified ); + } + + DiffIterator( DirsDeleted ) { + handleFolderAction( ( *it ).Filepath, Actions::Delete ); + + Watcher* watch = findWatcher( ( *it ).Filepath ); + + if ( NULL != watch ) { + removeWatch( watch->ID ); + } + } + + DiffMovedIterator( DirsMoved ) { + moveDirectory( Directory + ( *mit ).first, ( *mit ).second.Filepath ); + } + } +} + +WatchID WatcherKqueue::watchingDirectory( std::string dir ) { + Watcher* watch = findWatcher( dir ); + + if ( NULL != watch ) { + return watch->ID; + } + + return Errors::FileNotFound; +} + +void WatcherKqueue::handleAction( const std::string& filename, efsw::Action action, + const std::string& oldFilename ) { + Listener->handleFileAction( ID, Directory, FileSystem::fileNameFromPath( filename ), action, + FileSystem::fileNameFromPath( oldFilename ) ); +} + +void WatcherKqueue::handleFolderAction( std::string filename, efsw::Action action, + const std::string& oldFilename ) { + FileSystem::dirRemoveSlashAtEnd( filename ); + + handleAction( filename, action, oldFilename ); +} + +void WatcherKqueue::sendDirChanged() { + if ( NULL != mParent ) { + Listener->handleFileAction( mParent->ID, mParent->Directory, + FileSystem::fileNameFromPath( Directory ), Actions::Modified ); + } +} + +void WatcherKqueue::watch() { + if ( -1 == mKqueue ) { + return; + } + + int nev = 0; + KEvent event; + + // First iterate the childs, to get the events from the deepest folder, to the watcher childs + for ( WatchMap::iterator it = mWatches.begin(); it != mWatches.end(); ++it ) { + it->second->watch(); + } + + bool needScan = false; + + // Then we get the the events of the current folder + while ( !mChangeList.empty() && + ( nev = kevent( mKqueue, mChangeList.data(), mChangeListCount + 1, &event, 1, + &mWatcher->mTimeOut ) ) != 0 ) { + // An error ocurred? + if ( nev == -1 ) { + efDEBUG( "watch(): Error on directory %s\n", Directory.c_str() ); + perror( "kevent" ); + break; + } else { + FileInfo* entry = NULL; + + // If udate == NULL means that it is the fisrt element of the change list, the folder. + // otherwise it is an event of some file inside the folder + if ( ( entry = reinterpret_cast( event.udata ) ) != NULL ) { + efDEBUG( "watch(): File: %s ", entry->Filepath.c_str() ); + + // If the event flag is delete... the file was deleted + if ( event.fflags & NOTE_DELETE ) { + efDEBUG( "deleted\n" ); + + mDirSnap.removeFile( entry->Filepath ); + + removeFile( entry->Filepath ); + } else if ( event.fflags & NOTE_EXTEND || event.fflags & NOTE_WRITE || + event.fflags & NOTE_ATTRIB ) { + // The file was modified + efDEBUG( "modified\n" ); + + FileInfo fi( entry->Filepath ); + + if ( fi != *entry ) { + *entry = fi; + + mDirSnap.updateFile( entry->Filepath ); + + handleAction( entry->Filepath, efsw::Actions::Modified ); + } + } else if ( event.fflags & NOTE_RENAME ) { + efDEBUG( "moved\n" ); + + needScan = true; + } + } else { + needScan = true; + } + } + } + + if ( needScan ) { + rescan(); + } +} + +Watcher* WatcherKqueue::findWatcher( const std::string path ) { + WatchMap::iterator it = mWatches.begin(); + + for ( ; it != mWatches.end(); it++ ) { + if ( it->second->Directory == path ) { + return it->second; + } + } + + return NULL; +} + +void WatcherKqueue::moveDirectory( std::string oldPath, std::string newPath, bool emitEvents ) { + // Update the directory path if it's a watcher + std::string opath2( oldPath ); + FileSystem::dirAddSlashAtEnd( opath2 ); + + Watcher* watch = findWatcher( opath2 ); + + if ( NULL != watch ) { + watch->Directory = opath2; + } + + if ( emitEvents ) { + handleFolderAction( newPath, efsw::Actions::Moved, oldPath ); + } +} + +WatchID WatcherKqueue::addWatch( const std::string& directory, FileWatchListener* watcher, + bool recursive, WatcherKqueue* parent ) { + static bool s_ug = false; + + std::string dir( directory ); + + FileSystem::dirAddSlashAtEnd( dir ); + + // This should never happen here + if ( !FileSystem::isDirectory( dir ) ) { + return Errors::Log::createLastError( Errors::FileNotFound, dir ); + } else if ( pathInWatches( dir ) || pathInParent( dir ) ) { + return Errors::Log::createLastError( Errors::FileRepeated, directory ); + } else if ( NULL != parent && FileSystem::isRemoteFS( dir ) ) { + return Errors::Log::createLastError( Errors::FileRemote, dir ); + } + + std::string curPath; + std::string link( FileSystem::getLinkRealPath( dir, curPath ) ); + + if ( "" != link ) { + /// Avoid adding symlinks directories if it's now enabled + if ( NULL != parent && !mWatcher->mFileWatcher->followSymlinks() ) { + return Errors::Log::createLastError( Errors::FileOutOfScope, dir ); + } + + if ( pathInWatches( link ) || pathInParent( link ) ) { + return Errors::Log::createLastError( Errors::FileRepeated, link ); + } else if ( !mWatcher->linkAllowed( curPath, link ) ) { + return Errors::Log::createLastError( Errors::FileOutOfScope, link ); + } else { + dir = link; + } + } + + if ( mWatcher->availablesFD() ) { + WatcherKqueue* watch = + new WatcherKqueue( ++mLastWatchID, dir, watcher, recursive, mWatcher, parent ); + + mWatches.insert( std::make_pair( mLastWatchID, watch ) ); + + watch->addAll(); + + // if failed to open the directory... erase the watcher + if ( !watch->initOK() ) { + int le = watch->lastErrno(); + + mWatches.erase( watch->ID ); + + efSAFE_DELETE( watch ); + + mLastWatchID--; + + // Probably the folder has too many files, create a generic watcher + if ( EACCES != le ) { + WatcherGeneric* watch = + new WatcherGeneric( ++mLastWatchID, dir, watcher, mWatcher, recursive ); + + mWatches.insert( std::make_pair( mLastWatchID, watch ) ); + } else { + return Errors::Log::createLastError( Errors::Unspecified, link ); + } + } + } else { + if ( !s_ug ) { + efDEBUG( "Started using WatcherGeneric, reached file descriptors limit: %ld.\n", + mWatcher->mFileDescriptorCount ); + s_ug = true; + } + + WatcherGeneric* watch = + new WatcherGeneric( ++mLastWatchID, dir, watcher, mWatcher, recursive ); + + mWatches.insert( std::make_pair( mLastWatchID, watch ) ); + } + + return mLastWatchID; +} + +bool WatcherKqueue::initOK() { + return mInitOK; +} + +void WatcherKqueue::removeWatch( WatchID watchid ) { + WatchMap::iterator iter = mWatches.find( watchid ); + + if ( iter == mWatches.end() ) + return; + + Watcher* watch = iter->second; + + mWatches.erase( iter ); + + efSAFE_DELETE( watch ); +} + +bool WatcherKqueue::pathInWatches( const std::string& path ) { + return NULL != findWatcher( path ); +} + +bool WatcherKqueue::pathInParent( const std::string& path ) { + WatcherKqueue* pNext = mParent; + + while ( NULL != pNext ) { + if ( pNext->pathInWatches( path ) ) { + return true; + } + + pNext = pNext->mParent; + } + + if ( mWatcher->pathInWatches( path ) ) { + return true; + } + + if ( path == Directory ) { + return true; + } + + return false; +} + +int WatcherKqueue::lastErrno() { + return mErrno; +} + +} // namespace efsw + +#endif diff --git a/src/efsw/WatcherKqueue.hpp b/src/efsw/WatcherKqueue.hpp new file mode 100644 index 0000000..75c0f62 --- /dev/null +++ b/src/efsw/WatcherKqueue.hpp @@ -0,0 +1,97 @@ +#ifndef EFSW_WATCHEROSX_HPP +#define EFSW_WATCHEROSX_HPP + +#include + +#if EFSW_PLATFORM == EFSW_PLATFORM_KQUEUE || EFSW_PLATFORM == EFSW_PLATFORM_FSEVENTS + +#include +#include +#include +#include +#include + +namespace efsw { + +class FileWatcherKqueue; +class WatcherKqueue; + +typedef struct kevent KEvent; + +/// type for a map from WatchID to WatcherKqueue pointer +typedef std::map WatchMap; + +class WatcherKqueue : public Watcher { + public: + WatcherKqueue( WatchID watchid, const std::string& dirname, FileWatchListener* listener, + bool recursive, FileWatcherKqueue* watcher, WatcherKqueue* parent = NULL ); + + virtual ~WatcherKqueue(); + + void addFile( const std::string& name, bool emitEvents = true ); + + void removeFile( const std::string& name, bool emitEvents = true ); + + // called when the directory is actually changed + // means a file has been added or removed + // rescans the watched directory adding/removing files and sending notices + void rescan(); + + void handleAction( const std::string& filename, efsw::Action action, + const std::string& oldFilename = "" ); + + void handleFolderAction( std::string filename, efsw::Action action, + const std::string& oldFilename = "" ); + + void addAll(); + + void removeAll(); + + WatchID watchingDirectory( std::string dir ); + + void watch() override; + + WatchID addWatch( const std::string& directory, FileWatchListener* watcher, bool recursive, + WatcherKqueue* parent ); + + void removeWatch( WatchID watchid ); + + bool initOK(); + + int lastErrno(); + + protected: + WatchMap mWatches; + int mLastWatchID; + + // index 0 is always the directory + std::vector mChangeList; + size_t mChangeListCount; + DirectorySnapshot mDirSnap; + + /// The descriptor for the kqueue + int mKqueue; + + FileWatcherKqueue* mWatcher; + + WatcherKqueue* mParent; + + bool mInitOK; + int mErrno; + + bool pathInWatches( const std::string& path ); + + bool pathInParent( const std::string& path ); + + Watcher* findWatcher( const std::string path ); + + void moveDirectory( std::string oldPath, std::string newPath, bool emitEvents = true ); + + void sendDirChanged(); +}; + +} // namespace efsw + +#endif + +#endif diff --git a/src/efsw/WatcherWin32.cpp b/src/efsw/WatcherWin32.cpp new file mode 100644 index 0000000..d8d47aa --- /dev/null +++ b/src/efsw/WatcherWin32.cpp @@ -0,0 +1,268 @@ +#include +#include +#include +#include + +#if EFSW_PLATFORM == EFSW_PLATFORM_WIN32 + +#include + +namespace efsw { + +struct EFSW_FILE_NOTIFY_EXTENDED_INFORMATION_EX { + DWORD NextEntryOffset; + DWORD Action; + LARGE_INTEGER CreationTime; + LARGE_INTEGER LastModificationTime; + LARGE_INTEGER LastChangeTime; + LARGE_INTEGER LastAccessTime; + LARGE_INTEGER AllocatedLength; + LARGE_INTEGER FileSize; + DWORD FileAttributes; + DWORD ReparsePointTag; + LARGE_INTEGER FileId; + LARGE_INTEGER ParentFileId; + DWORD FileNameLength; + WCHAR FileName[1]; +}; + +typedef EFSW_FILE_NOTIFY_EXTENDED_INFORMATION_EX* EFSW_PFILE_NOTIFY_EXTENDED_INFORMATION_EX; + +typedef BOOL( WINAPI* EFSW_LPREADDIRECTORYCHANGESEXW )( HANDLE hDirectory, LPVOID lpBuffer, + DWORD nBufferLength, BOOL bWatchSubtree, + DWORD dwNotifyFilter, LPDWORD lpBytesReturned, + LPOVERLAPPED lpOverlapped, LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine, + DWORD ReadDirectoryNotifyInformationClass ); + +static EFSW_LPREADDIRECTORYCHANGESEXW pReadDirectoryChangesExW = NULL; + +#define EFSW_ReadDirectoryNotifyExtendedInformation 2 + +static void initReadDirectoryChangesEx() { + static bool hasInit = false; + if ( !hasInit ) { + hasInit = true; + + HMODULE hModule = GetModuleHandleW( L"Kernel32.dll" ); + if ( !hModule ) + return; + + pReadDirectoryChangesExW = + (EFSW_LPREADDIRECTORYCHANGESEXW)GetProcAddress( hModule, "ReadDirectoryChangesExW" ); + } +} + +void WatchCallbackOld( WatcherWin32* pWatch ) { + PFILE_NOTIFY_INFORMATION pNotify; + size_t offset = 0; + do { + bool skip = false; + + pNotify = (PFILE_NOTIFY_INFORMATION)&pWatch->Buffer[offset]; + offset += pNotify->NextEntryOffset; + int count = + WideCharToMultiByte( CP_UTF8, 0, pNotify->FileName, + pNotify->FileNameLength / sizeof( WCHAR ), NULL, 0, NULL, NULL ); + if ( count == 0 ) + continue; + + std::string nfile( count, '\0' ); + + count = WideCharToMultiByte( CP_UTF8, 0, pNotify->FileName, + pNotify->FileNameLength / sizeof( WCHAR ), &nfile[0], count, + NULL, NULL ); + + if ( FILE_ACTION_MODIFIED == pNotify->Action ) { + FileInfo fifile( std::string( pWatch->DirName ) + nfile ); + + if ( pWatch->LastModifiedEvent.file.ModificationTime == fifile.ModificationTime && + pWatch->LastModifiedEvent.file.Size == fifile.Size && + pWatch->LastModifiedEvent.fileName == nfile ) { + skip = true; + } + + pWatch->LastModifiedEvent.fileName = nfile; + pWatch->LastModifiedEvent.file = fifile; + } + + if ( !skip ) { + pWatch->Watch->handleAction( pWatch, nfile, pNotify->Action ); + } + } while ( pNotify->NextEntryOffset != 0 ); +} + +void WatchCallbackEx( WatcherWin32* pWatch ) { + EFSW_PFILE_NOTIFY_EXTENDED_INFORMATION_EX pNotify; + size_t offset = 0; + do { + bool skip = false; + + pNotify = (EFSW_PFILE_NOTIFY_EXTENDED_INFORMATION_EX)&pWatch->Buffer[offset]; + offset += pNotify->NextEntryOffset; + int count = + WideCharToMultiByte( CP_UTF8, 0, pNotify->FileName, + pNotify->FileNameLength / sizeof( WCHAR ), NULL, 0, NULL, NULL ); + if ( count == 0 ) + continue; + + std::string nfile( count, '\0' ); + + count = WideCharToMultiByte( CP_UTF8, 0, pNotify->FileName, + pNotify->FileNameLength / sizeof( WCHAR ), &nfile[0], count, + NULL, NULL ); + + if ( FILE_ACTION_MODIFIED == pNotify->Action ) { + FileInfo fifile( std::string( pWatch->DirName ) + nfile ); + + if ( pWatch->LastModifiedEvent.file.ModificationTime == fifile.ModificationTime && + pWatch->LastModifiedEvent.file.Size == fifile.Size && + pWatch->LastModifiedEvent.fileName == nfile ) { + skip = true; + } + + pWatch->LastModifiedEvent.fileName = nfile; + pWatch->LastModifiedEvent.file = fifile; + } else if ( FILE_ACTION_RENAMED_OLD_NAME == pNotify->Action ) { + pWatch->OldFiles.emplace_back( nfile, pNotify->FileId ); + skip = true; + } else if ( FILE_ACTION_RENAMED_NEW_NAME == pNotify->Action ) { + std::string oldFile; + LARGE_INTEGER oldFileId{}; + + for ( auto it = pWatch->OldFiles.begin(); it != pWatch->OldFiles.end(); ++it ) { + if ( it->second.QuadPart == pNotify->FileId.QuadPart ) { + oldFile = it->first; + oldFileId = it->second; + it = pWatch->OldFiles.erase( it ); + break; + } + } + + if ( oldFile.empty() ) { + pWatch->Watch->handleAction( pWatch, nfile, FILE_ACTION_ADDED ); + skip = true; + } else { + pWatch->Watch->handleAction( pWatch, oldFile, FILE_ACTION_RENAMED_OLD_NAME ); + } + } + + if ( !skip ) { + pWatch->Watch->handleAction( pWatch, nfile, pNotify->Action ); + } + } while ( pNotify->NextEntryOffset != 0 ); +} + +/// Unpacks events and passes them to a user defined callback. +void CALLBACK WatchCallback( DWORD dwNumberOfBytesTransfered, LPOVERLAPPED lpOverlapped ) { + if ( NULL == lpOverlapped ) { + return; + } + + WatcherStructWin32* tWatch = (WatcherStructWin32*)lpOverlapped; + WatcherWin32* pWatch = tWatch->Watch; + + if ( dwNumberOfBytesTransfered == 0 ) { + if ( nullptr != pWatch && !pWatch->StopNow ) { + /// Missed file actions due to buffer overflowed + std::string dir = pWatch->DirName; + FileSystem::dirRemoveSlashAtEnd( dir ); + pWatch->Listener->handleMissedFileActions( pWatch->ID, dir ); + RefreshWatch( tWatch ); + } else { + return; + } + } + + // Fork watch depending on the Windows API supported + if ( pWatch->Extended ) { + WatchCallbackEx( pWatch ); + } else { + WatchCallbackOld( pWatch ); + } + + if ( !pWatch->StopNow ) { + RefreshWatch( tWatch ); + } +} + +/// Refreshes the directory monitoring. +RefreshResult RefreshWatch( WatcherStructWin32* pWatch ) { + initReadDirectoryChangesEx(); + + bool bRet = false; + RefreshResult ret = RefreshResult::Failed; + pWatch->Watch->Extended = false; + + if ( pReadDirectoryChangesExW ) { + bRet = pReadDirectoryChangesExW( pWatch->Watch->DirHandle, pWatch->Watch->Buffer.data(), + (DWORD)pWatch->Watch->Buffer.size(), pWatch->Watch->Recursive, + pWatch->Watch->NotifyFilter, NULL, &pWatch->Overlapped, + NULL, EFSW_ReadDirectoryNotifyExtendedInformation ) != 0; + if ( bRet ) { + ret = RefreshResult::SucessEx; + pWatch->Watch->Extended = true; + } + } + + if ( !bRet ) { + bRet = ReadDirectoryChangesW( pWatch->Watch->DirHandle, pWatch->Watch->Buffer.data(), + (DWORD)pWatch->Watch->Buffer.size(), pWatch->Watch->Recursive, + pWatch->Watch->NotifyFilter, NULL, &pWatch->Overlapped, + NULL ) != 0; + + if ( bRet ) + ret = RefreshResult::Success; + } + + if ( !bRet ) { + std::string error = std::to_string( GetLastError() ); + Errors::Log::createLastError( Errors::WatcherFailed, error ); + } + + return ret; +} + +/// Stops monitoring a directory. +void DestroyWatch( WatcherStructWin32* pWatch ) { + if ( pWatch ) { + WatcherWin32* tWatch = pWatch->Watch; + tWatch->StopNow = true; + CancelIoEx( pWatch->Watch->DirHandle, &pWatch->Overlapped ); + CloseHandle( pWatch->Watch->DirHandle ); + efSAFE_DELETE_ARRAY( pWatch->Watch->DirName ); + efSAFE_DELETE( pWatch->Watch ); + efSAFE_DELETE( pWatch ); + } +} + +/// Starts monitoring a directory. +WatcherStructWin32* CreateWatch( LPCWSTR szDirectory, bool recursive, + DWORD bufferSize, DWORD notifyFilter, HANDLE iocp ) { + WatcherStructWin32* tWatch = new WatcherStructWin32(); + WatcherWin32* pWatch = new WatcherWin32(bufferSize); + if (tWatch) + tWatch->Watch = pWatch; + + pWatch->DirHandle = CreateFileW( + szDirectory, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, NULL, + OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OVERLAPPED, NULL ); + + if ( pWatch->DirHandle != INVALID_HANDLE_VALUE && + CreateIoCompletionPort( pWatch->DirHandle, iocp, 0, 1 ) ) { + pWatch->NotifyFilter = notifyFilter; + pWatch->Recursive = recursive; + + if ( RefreshResult::Failed != RefreshWatch( tWatch ) ) { + return tWatch; + } + } + + CloseHandle( pWatch->DirHandle ); + efSAFE_DELETE( pWatch->Watch ); + efSAFE_DELETE( tWatch ); + return NULL; +} + +} // namespace efsw + +#endif diff --git a/src/efsw/WatcherWin32.hpp b/src/efsw/WatcherWin32.hpp new file mode 100644 index 0000000..ea1e8e4 --- /dev/null +++ b/src/efsw/WatcherWin32.hpp @@ -0,0 +1,79 @@ +#ifndef EFSW_WATCHERWIN32_HPP +#define EFSW_WATCHERWIN32_HPP + +#include +#include +#include + +#if EFSW_PLATFORM == EFSW_PLATFORM_WIN32 + +#include + +#ifdef EFSW_COMPILER_MSVC +#pragma comment( lib, "comctl32.lib" ) +#pragma comment( lib, "user32.lib" ) +#pragma comment( lib, "ole32.lib" ) + +// disable secure warnings +#pragma warning( disable : 4996 ) +#endif + +namespace efsw { + +class WatcherWin32; + +enum RefreshResult { Failed, Success, SucessEx }; + +/// Internal watch data +struct WatcherStructWin32 { + OVERLAPPED Overlapped; + WatcherWin32* Watch; +}; + +struct sLastModifiedEvent { + FileInfo file; + std::string fileName; +}; + +RefreshResult RefreshWatch( WatcherStructWin32* pWatch ); + +void CALLBACK WatchCallback( DWORD dwNumberOfBytesTransfered, LPOVERLAPPED lpOverlapped ); + +void DestroyWatch( WatcherStructWin32* pWatch ); + +WatcherStructWin32* CreateWatch( LPCWSTR szDirectory, bool recursive, + DWORD bufferSize, DWORD notifyFilter, HANDLE iocp ); + +class WatcherWin32 : public Watcher { + public: + WatcherWin32(DWORD dwBufferSize) : + Struct( NULL ), + DirHandle( NULL ), + Buffer(), + lParam( 0 ), + NotifyFilter( 0 ), + StopNow( false ), + Extended( false ), + Watch( NULL ), + DirName( NULL ) { + Buffer.resize(dwBufferSize); + } + + WatcherStructWin32* Struct; + HANDLE DirHandle; + std::vector Buffer; + LPARAM lParam; + DWORD NotifyFilter; + bool StopNow; + bool Extended; + FileWatcherImpl* Watch; + char* DirName; + sLastModifiedEvent LastModifiedEvent; + std::vector> OldFiles; +}; + +} // namespace efsw + +#endif + +#endif diff --git a/src/efsw/base.hpp b/src/efsw/base.hpp new file mode 100644 index 0000000..43abc4f --- /dev/null +++ b/src/efsw/base.hpp @@ -0,0 +1,129 @@ +#ifndef EFSW_BASE +#define EFSW_BASE + +#include +#include + +namespace efsw { + +typedef SOPHIST_int8 Int8; +typedef SOPHIST_uint8 Uint8; +typedef SOPHIST_int16 Int16; +typedef SOPHIST_uint16 Uint16; +typedef SOPHIST_int32 Int32; +typedef SOPHIST_uint32 Uint32; +typedef SOPHIST_int64 Int64; +typedef SOPHIST_uint64 Uint64; + +#define EFSW_OS_WIN 1 +#define EFSW_OS_LINUX 2 +#define EFSW_OS_MACOSX 3 +#define EFSW_OS_BSD 4 +#define EFSW_OS_SOLARIS 5 +#define EFSW_OS_HAIKU 6 +#define EFSW_OS_ANDROID 7 +#define EFSW_OS_IOS 8 + +#define EFSW_PLATFORM_WIN32 1 +#define EFSW_PLATFORM_INOTIFY 2 +#define EFSW_PLATFORM_KQUEUE 3 +#define EFSW_PLATFORM_FSEVENTS 4 +#define EFSW_PLATFORM_GENERIC 5 + +#if defined( _WIN32 ) +/// Any Windows platform +#define EFSW_OS EFSW_OS_WIN +#define EFSW_PLATFORM EFSW_PLATFORM_WIN32 + +#if ( defined( _MSCVER ) || defined( _MSC_VER ) ) +#define EFSW_COMPILER_MSVC +#endif + +/// Force windows target version above or equal to Windows Server 2008 or Windows Vista +#if _WIN32_WINNT < 0x600 +#undef _WIN32_WINNT +#define _WIN32_WINNT 0x600 +#endif +#elif defined( __FreeBSD__ ) || defined( __OpenBSD__ ) || defined( __NetBSD__ ) || \ + defined( __DragonFly__ ) +#define EFSW_OS EFSW_OS_BSD +#define EFSW_PLATFORM EFSW_PLATFORM_KQUEUE + +#elif defined( __APPLE_CC__ ) || defined( __APPLE__ ) +#include + +#if defined( __IPHONE__ ) || ( defined( TARGET_OS_IPHONE ) && TARGET_OS_IPHONE ) || \ + ( defined( TARGET_IPHONE_SIMULATOR ) && TARGET_IPHONE_SIMULATOR ) +#define EFSW_OS EFSW_OS_IOS +#define EFSW_PLATFORM EFSW_PLATFORM_KQUEUE +#else +#define EFSW_OS EFSW_OS_MACOSX + +#if defined( EFSW_FSEVENTS_NOT_SUPPORTED ) +#define EFSW_PLATFORM EFSW_PLATFORM_KQUEUE +#else +#define EFSW_PLATFORM EFSW_PLATFORM_FSEVENTS +#endif +#endif + +#elif defined( __linux__ ) +/// This includes Linux and Android +#ifndef EFSW_KQUEUE +#define EFSW_PLATFORM EFSW_PLATFORM_INOTIFY +#else +/// This is for testing libkqueue, sadly it doesnt work +#define EFSW_PLATFORM EFSW_PLATFORM_KQUEUE +#endif + +#if defined( __ANDROID__ ) || defined( ANDROID ) +#define EFSW_OS EFSW_OS_ANDROID +#else +#define EFSW_OS EFSW_OS_LINUX +#endif + +#else +#if defined( __SVR4 ) +#define EFSW_OS EFSW_OS_SOLARIS +#elif defined( __HAIKU__ ) || defined( __BEOS__ ) +#define EFSW_OS EFSW_OS_HAIKU +#endif + +/// Everything else +#define EFSW_PLATFORM EFSW_PLATFORM_GENERIC +#endif + +#if EFSW_PLATFORM != EFSW_PLATFORM_WIN32 +#define EFSW_PLATFORM_POSIX +#endif + +#if 1 == SOPHIST_pointer64 +#define EFSW_64BIT +#else +#define EFSW_32BIT +#endif + +#if defined( arm ) || defined( __arm__ ) +#define EFSW_ARM +#endif + +#define efCOMMA , + +#define efSAFE_DELETE( p ) \ + { \ + if ( p ) { \ + delete ( p ); \ + ( p ) = NULL; \ + } \ + } +#define efSAFE_DELETE_ARRAY( p ) \ + { \ + if ( p ) { \ + delete[] ( p ); \ + ( p ) = NULL; \ + } \ + } +#define efARRAY_SIZE( __array ) ( sizeof( __array ) / sizeof( __array[0] ) ) + +} // namespace efsw + +#endif diff --git a/src/efsw/platform/platformimpl.hpp b/src/efsw/platform/platformimpl.hpp new file mode 100644 index 0000000..f494241 --- /dev/null +++ b/src/efsw/platform/platformimpl.hpp @@ -0,0 +1,16 @@ +#ifndef EFSW_PLATFORMIMPL_HPP +#define EFSW_PLATFORMIMPL_HPP + +#include + +#if defined( EFSW_PLATFORM_POSIX ) +#include +#include +#elif EFSW_PLATFORM == EFSW_PLATFORM_WIN32 +#include +#include +#else +#error Thread, Mutex, and System not implemented for this platform. +#endif + +#endif diff --git a/src/efsw/platform/posix/FileSystemImpl.cpp b/src/efsw/platform/posix/FileSystemImpl.cpp new file mode 100644 index 0000000..92eeb47 --- /dev/null +++ b/src/efsw/platform/posix/FileSystemImpl.cpp @@ -0,0 +1,251 @@ +#include + +#if defined( EFSW_PLATFORM_POSIX ) + +#include +#include +#include +#include +#include + +#ifndef _DARWIN_FEATURE_64_BIT_INODE +#define _DARWIN_FEATURE_64_BIT_INODE +#endif + +#ifndef _FILE_OFFSET_BITS +#define _FILE_OFFSET_BITS 64 +#endif + +#include +#include +#include + +#if EFSW_OS == EFSW_OS_LINUX || EFSW_OS == EFSW_OS_SOLARIS || EFSW_OS == EFSW_OS_ANDROID +#include +#elif EFSW_OS == EFSW_OS_MACOSX || EFSW_OS == EFSW_OS_BSD || EFSW_OS == EFSW_OS_IOS +#include +#include +#endif + +/** Remote file systems codes */ +#define S_MAGIC_AFS 0x5346414F +#define S_MAGIC_AUFS 0x61756673 +#define S_MAGIC_CEPH 0x00C36400 +#define S_MAGIC_CIFS 0xFF534D42 +#define S_MAGIC_CODA 0x73757245 +#define S_MAGIC_FHGFS 0x19830326 +#define S_MAGIC_FUSEBLK 0x65735546 +#define S_MAGIC_FUSECTL 0x65735543 +#define S_MAGIC_GFS 0x01161970 +#define S_MAGIC_GPFS 0x47504653 +#define S_MAGIC_KAFS 0x6B414653 +#define S_MAGIC_LUSTRE 0x0BD00BD0 +#define S_MAGIC_NCP 0x564C +#define S_MAGIC_NFS 0x6969 +#define S_MAGIC_NFSD 0x6E667364 +#define S_MAGIC_OCFS2 0x7461636F +#define S_MAGIC_PANFS 0xAAD7AAEA +#define S_MAGIC_PIPEFS 0x50495045 +#define S_MAGIC_SMB 0x517B +#define S_MAGIC_SNFS 0xBEEFDEAD +#define S_MAGIC_VMHGFS 0xBACBACBC +#define S_MAGIC_VXFS 0xA501FCF5 + +#if EFSW_OS == EFSW_OS_LINUX +#include +#include +#endif + +namespace efsw { namespace Platform { + +#if EFSW_OS == EFSW_OS_LINUX + +std::string findMountPoint( std::string file ) { + std::string cwd = FileSystem::getCurrentWorkingDirectory(); + struct stat last_stat; + struct stat file_stat; + + stat( file.c_str(), &file_stat ); + + std::string mp; + + if ( efsw::FileSystem::isDirectory( file ) ) { + last_stat = file_stat; + + if ( !FileSystem::changeWorkingDirectory( file ) ) + return ""; + } else { + std::string dir = efsw::FileSystem::pathRemoveFileName( file ); + + if ( !FileSystem::changeWorkingDirectory( dir ) ) + return ""; + + if ( stat( ".", &last_stat ) < 0 ) + return ""; + } + + while ( true ) { + struct stat st; + + if ( stat( "..", &st ) < 0 ) + goto done; + + if ( st.st_dev != last_stat.st_dev || st.st_ino == last_stat.st_ino ) + break; + + if ( !FileSystem::changeWorkingDirectory( ".." ) ) { + goto done; + } + + last_stat = st; + } + + /* Finally reached a mount point, see what it's called. */ + mp = FileSystem::getCurrentWorkingDirectory(); + +done: + FileSystem::changeWorkingDirectory( cwd ); + + return mp; +} + +std::string findDevicePath( const std::string& directory ) { + struct mntent* ent; + FILE* aFile; + + aFile = setmntent( "/proc/mounts", "r" ); + + if ( aFile == NULL ) + return ""; + + while ( NULL != ( ent = getmntent( aFile ) ) ) { + std::string dirName( ent->mnt_dir ); + + if ( dirName == directory ) { + std::string fsName( ent->mnt_fsname ); + + endmntent( aFile ); + + return fsName; + } + } + + endmntent( aFile ); + + return ""; +} + +bool isLocalFUSEDirectory( std::string directory ) { + efsw::FileSystem::dirRemoveSlashAtEnd( directory ); + + directory = findMountPoint( directory ); + + if ( !directory.empty() ) { + std::string devicePath = findDevicePath( directory ); + + return !devicePath.empty(); + } + + return false; +} + +#endif + +bool FileSystem::changeWorkingDirectory( const std::string& path ) { + return -1 != chdir( path.c_str() ); +} + +std::string FileSystem::getCurrentWorkingDirectory() { + char dir[PATH_MAX + 1]; + char* result = getcwd( dir, PATH_MAX + 1 ); + return result != NULL ? std::string( result ) : std::string(); +} + +FileInfoMap FileSystem::filesInfoFromPath( const std::string& path ) { + FileInfoMap files; + + DIR* dp; + struct dirent* dirp; + + if ( ( dp = opendir( path.c_str() ) ) == NULL ) + return files; + + while ( ( dirp = readdir( dp ) ) != NULL ) { + if ( strcmp( dirp->d_name, ".." ) != 0 && strcmp( dirp->d_name, "." ) != 0 ) { + std::string name( dirp->d_name ); + std::string fpath( path + name ); + + files[name] = FileInfo( fpath ); + } + } + + closedir( dp ); + + return files; +} + +char FileSystem::getOSSlash() { + return '/'; +} + +bool FileSystem::isDirectory( const std::string& path ) { + struct stat st; + int res = stat( path.c_str(), &st ); + + if ( 0 == res ) { + return static_cast( S_ISDIR( st.st_mode ) ); + } + + return false; +} + +bool FileSystem::isRemoteFS( const std::string& directory ) { +#if EFSW_OS == EFSW_OS_LINUX || EFSW_OS == EFSW_OS_MACOSX || EFSW_OS == EFSW_OS_BSD || \ + EFSW_OS == EFSW_OS_SOLARIS || EFSW_OS == EFSW_OS_ANDROID || EFSW_OS == EFSW_OS_IOS + struct statfs statfsbuf; + + statfs( directory.c_str(), &statfsbuf ); + + switch ( statfsbuf.f_type | 0UL ) { + case S_MAGIC_FUSEBLK: /* 0x65735546 remote */ + { +#if EFSW_OS == EFSW_OS_LINUX + return !isLocalFUSEDirectory( directory ); +#endif + } + case S_MAGIC_AFS: /* 0x5346414F remote */ + case S_MAGIC_AUFS: /* 0x61756673 remote */ + case S_MAGIC_CEPH: /* 0x00C36400 remote */ + case S_MAGIC_CIFS: /* 0xFF534D42 remote */ + case S_MAGIC_CODA: /* 0x73757245 remote */ + case S_MAGIC_FHGFS: /* 0x19830326 remote */ + case S_MAGIC_FUSECTL: /* 0x65735543 remote */ + case S_MAGIC_GFS: /* 0x01161970 remote */ + case S_MAGIC_GPFS: /* 0x47504653 remote */ + case S_MAGIC_KAFS: /* 0x6B414653 remote */ + case S_MAGIC_LUSTRE: /* 0x0BD00BD0 remote */ + case S_MAGIC_NCP: /* 0x564C remote */ + case S_MAGIC_NFS: /* 0x6969 remote */ + case S_MAGIC_NFSD: /* 0x6E667364 remote */ + case S_MAGIC_OCFS2: /* 0x7461636F remote */ + case S_MAGIC_PANFS: /* 0xAAD7AAEA remote */ + case S_MAGIC_PIPEFS: /* 0x50495045 remote */ + case S_MAGIC_SMB: /* 0x517B remote */ + case S_MAGIC_SNFS: /* 0xBEEFDEAD remote */ + case S_MAGIC_VMHGFS: /* 0xBACBACBC remote */ + case S_MAGIC_VXFS: /* 0xA501FCF5 remote */ + { + return true; + } + default: { + return false; + } + } +#endif + + return false; +} + +}} // namespace efsw::Platform + +#endif diff --git a/src/efsw/platform/posix/FileSystemImpl.hpp b/src/efsw/platform/posix/FileSystemImpl.hpp new file mode 100644 index 0000000..0bfba76 --- /dev/null +++ b/src/efsw/platform/posix/FileSystemImpl.hpp @@ -0,0 +1,30 @@ +#ifndef EFSW_FILESYSTEMIMPLPOSIX_HPP +#define EFSW_FILESYSTEMIMPLPOSIX_HPP + +#include +#include + +#if defined( EFSW_PLATFORM_POSIX ) + +namespace efsw { namespace Platform { + +class FileSystem { + public: + static FileInfoMap filesInfoFromPath( const std::string& path ); + + static char getOSSlash(); + + static bool isDirectory( const std::string& path ); + + static bool isRemoteFS( const std::string& directory ); + + static bool changeWorkingDirectory( const std::string& path ); + + static std::string getCurrentWorkingDirectory(); +}; + +}} // namespace efsw::Platform + +#endif + +#endif diff --git a/src/efsw/platform/posix/SystemImpl.cpp b/src/efsw/platform/posix/SystemImpl.cpp new file mode 100644 index 0000000..37d4120 --- /dev/null +++ b/src/efsw/platform/posix/SystemImpl.cpp @@ -0,0 +1,168 @@ +#include + +#if defined( EFSW_PLATFORM_POSIX ) + +#include +#include +#include +#include +#include + +#include +#include + +#if EFSW_OS == EFSW_OS_MACOSX +#include +#elif EFSW_OS == EFSW_OS_LINUX || EFSW_OS == EFSW_OS_ANDROID +#include +#include +#elif EFSW_OS == EFSW_OS_HAIKU +#include +#include +#elif EFSW_OS == EFSW_OS_SOLARIS +#include +#elif EFSW_OS == EFSW_OS_BSD +#include +#endif + +namespace efsw { namespace Platform { + +void System::sleep( const unsigned long& ms ) { + // usleep( static_cast( ms * 1000 ) ); + + // usleep is not reliable enough (it might block the + // whole process instead of just the current thread) + // so we must use pthread_cond_timedwait instead + + // this implementation is inspired from Qt + // and taken from SFML + + unsigned long long usecs = ms * 1000; + + // get the current time + timeval tv; + gettimeofday( &tv, NULL ); + + // construct the time limit (current time + time to wait) + timespec ti; + ti.tv_nsec = ( tv.tv_usec + ( usecs % 1000000 ) ) * 1000; + ti.tv_sec = tv.tv_sec + ( usecs / 1000000 ) + ( ti.tv_nsec / 1000000000 ); + ti.tv_nsec %= 1000000000; + + // create a mutex and thread condition + pthread_mutex_t mutex; + pthread_mutex_init( &mutex, 0 ); + pthread_cond_t condition; + pthread_cond_init( &condition, 0 ); + + // wait... + pthread_mutex_lock( &mutex ); + pthread_cond_timedwait( &condition, &mutex, &ti ); + pthread_mutex_unlock( &mutex ); + + // destroy the mutex and condition + pthread_cond_destroy( &condition ); +} + +std::string System::getProcessPath() { +#if EFSW_OS == EFSW_OS_MACOSX + char exe_file[FILENAME_MAX + 1]; + + CFBundleRef mainBundle = CFBundleGetMainBundle(); + + if ( mainBundle ) { + CFURLRef mainURL = CFBundleCopyBundleURL( mainBundle ); + + if ( mainURL ) { + int ok = CFURLGetFileSystemRepresentation( mainURL, ( Boolean ) true, (UInt8*)exe_file, + FILENAME_MAX ); + + if ( ok ) { + return std::string( exe_file ) + "/"; + } + } + } + + return "./"; +#elif EFSW_OS == EFSW_OS_LINUX + char exe_file[FILENAME_MAX + 1]; + + int size; + + size = readlink( "/proc/self/exe", exe_file, FILENAME_MAX ); + + if ( size < 0 ) { + return std::string( "./" ); + } else { + exe_file[size] = '\0'; + return std::string( dirname( exe_file ) ) + "/"; + } + +#elif EFSW_OS == EFSW_OS_BSD + int mib[4]; + mib[0] = CTL_KERN; + mib[1] = KERN_PROC; + mib[2] = KERN_PROC_PATHNAME; + mib[3] = -1; + char buf[1024]; + size_t cb = sizeof( buf ); + sysctl( mib, 4, buf, &cb, NULL, 0 ); + + return FileSystem::pathRemoveFileName( std::string( buf ) ); + +#elif EFSW_OS == EFSW_OS_SOLARIS + return FileSystem::pathRemoveFileName( std::string( getexecname() ) ); + +#elif EFSW_OS == EFSW_OS_HAIKU + image_info info; + int32 cookie = 0; + + while ( B_OK == get_next_image_info( 0, &cookie, &info ) ) { + if ( info.type == B_APP_IMAGE ) + break; + } + + return FileSystem::pathRemoveFileName( std::string( info.name ) ); + +#elif EFSW_OS == EFSW_OS_ANDROID + return "/sdcard/"; + +#else +#warning getProcessPath() not implemented on this platform. ( will return "./" ) + return "./"; + +#endif +} + +void System::maxFD() { + static bool maxed = false; + + if ( !maxed ) { + struct rlimit limit; + getrlimit( RLIMIT_NOFILE, &limit ); + limit.rlim_cur = limit.rlim_max; + setrlimit( RLIMIT_NOFILE, &limit ); + + getrlimit( RLIMIT_NOFILE, &limit ); + + efDEBUG( "File descriptor limit %ld\n", limit.rlim_cur ); + + maxed = true; + } +} + +Uint64 System::getMaxFD() { + static rlim_t max_fd = 0; + + if ( max_fd == 0 ) { + struct rlimit limit; + getrlimit( RLIMIT_NOFILE, &limit ); + max_fd = limit.rlim_cur; + } + + return max_fd; +} + +}} // namespace efsw::Platform + +#endif diff --git a/src/efsw/platform/posix/SystemImpl.hpp b/src/efsw/platform/posix/SystemImpl.hpp new file mode 100644 index 0000000..9322b06 --- /dev/null +++ b/src/efsw/platform/posix/SystemImpl.hpp @@ -0,0 +1,25 @@ +#ifndef EFSW_SYSTEMIMPLPOSIX_HPP +#define EFSW_SYSTEMIMPLPOSIX_HPP + +#include + +#if defined( EFSW_PLATFORM_POSIX ) + +namespace efsw { namespace Platform { + +class System { + public: + static void sleep( const unsigned long& ms ); + + static std::string getProcessPath(); + + static void maxFD(); + + static Uint64 getMaxFD(); +}; + +}} // namespace efsw::Platform + +#endif + +#endif diff --git a/src/efsw/platform/win/FileSystemImpl.cpp b/src/efsw/platform/win/FileSystemImpl.cpp new file mode 100644 index 0000000..2b87513 --- /dev/null +++ b/src/efsw/platform/win/FileSystemImpl.cpp @@ -0,0 +1,111 @@ +#include + +#if EFSW_PLATFORM == EFSW_PLATFORM_WIN32 + +#include +#ifndef WIN32_LEAN_AND_MEAN +#define WIN32_LEAN_AND_MEAN +#endif +#include + +#ifndef EFSW_COMPILER_MSVC +#include +#else +#include +#endif + +namespace efsw { namespace Platform { + +bool FileSystem::changeWorkingDirectory( const std::string& path ) { + int res; +#ifdef EFSW_COMPILER_MSVC +#ifdef UNICODE + res = _wchdir( String::fromUtf8( path.c_str() ).toWideString().c_str() ); +#else + res = _chdir( String::fromUtf8( path.c_str() ).toAnsiString().c_str() ); +#endif +#else + res = chdir( path.c_str() ); +#endif + return -1 != res; +} + +std::string FileSystem::getCurrentWorkingDirectory() { +#ifdef EFSW_COMPILER_MSVC +#if defined( UNICODE ) && !defined( EFSW_NO_WIDECHAR ) + wchar_t dir[_MAX_PATH]; + return ( 0 != GetCurrentDirectoryW( _MAX_PATH, dir ) ) ? String( dir ).toUtf8() : std::string(); +#else + char dir[_MAX_PATH]; + return ( 0 != GetCurrentDirectory( _MAX_PATH, dir ) ) ? String( dir, std::locale() ).toUtf8() + : std::string(); +#endif +#else + char dir[PATH_MAX + 1]; + getcwd( dir, PATH_MAX + 1 ); + return std::string( dir ); +#endif +} + +FileInfoMap FileSystem::filesInfoFromPath( const std::string& path ) { + FileInfoMap files; + + String tpath( path ); + + if ( tpath[tpath.size() - 1] == '/' || tpath[tpath.size() - 1] == '\\' ) { + tpath += "*"; + } else { + tpath += "\\*"; + } + + WIN32_FIND_DATAW findFileData; + HANDLE hFind = FindFirstFileW( (LPCWSTR)tpath.toWideString().c_str(), &findFileData ); + + if ( hFind != INVALID_HANDLE_VALUE ) { + std::string name( String( findFileData.cFileName ).toUtf8() ); + std::string fpath( path + name ); + + if ( name != "." && name != ".." ) { + files[name] = FileInfo( fpath ); + } + + while ( FindNextFileW( hFind, &findFileData ) ) { + name = String( findFileData.cFileName ).toUtf8(); + fpath = path + name; + + if ( name != "." && name != ".." ) { + files[name] = FileInfo( fpath ); + } + } + + FindClose( hFind ); + } + + return files; +} + +char FileSystem::getOSSlash() { + return '\\'; +} + +bool FileSystem::isDirectory( const std::string& path ) { + DWORD attrs = GetFileAttributesW( String( path ).toWideString().c_str() ); + return attrs != INVALID_FILE_ATTRIBUTES && ( attrs & FILE_ATTRIBUTE_DIRECTORY ) != 0; +} + +bool FileSystem::isRemoteFS( const std::string& directory ) { + if ( ( directory[0] == '\\' || directory[0] == '/' ) && + ( directory[1] == '\\' || directory[1] == '/' ) ) { + return true; + } + + if ( directory.size() >= 3 ) { + return 4 == GetDriveTypeA( directory.substr( 0, 3 ).c_str() ); + } + + return false; +} + +}} // namespace efsw::Platform + +#endif diff --git a/src/efsw/platform/win/FileSystemImpl.hpp b/src/efsw/platform/win/FileSystemImpl.hpp new file mode 100644 index 0000000..e952efc --- /dev/null +++ b/src/efsw/platform/win/FileSystemImpl.hpp @@ -0,0 +1,31 @@ +#ifndef EFSW_FILESYSTEMIMPLWIN_HPP +#define EFSW_FILESYSTEMIMPLWIN_HPP + +#include +#include +#include + +#if EFSW_PLATFORM == EFSW_PLATFORM_WIN32 + +namespace efsw { namespace Platform { + +class FileSystem { + public: + static FileInfoMap filesInfoFromPath( const std::string& path ); + + static char getOSSlash(); + + static bool isDirectory( const std::string& path ); + + static bool isRemoteFS( const std::string& directory ); + + static bool changeWorkingDirectory( const std::string& path ); + + static std::string getCurrentWorkingDirectory(); +}; + +}} // namespace efsw::Platform + +#endif + +#endif diff --git a/src/efsw/platform/win/SystemImpl.cpp b/src/efsw/platform/win/SystemImpl.cpp new file mode 100644 index 0000000..d1f2b21 --- /dev/null +++ b/src/efsw/platform/win/SystemImpl.cpp @@ -0,0 +1,46 @@ +#include +#include + +#if EFSW_PLATFORM == EFSW_PLATFORM_WIN32 + +#ifndef WIN32_LEAN_AND_MEAN +#define WIN32_LEAN_AND_MEAN +#endif +#include +#include + +namespace efsw { namespace Platform { + +void System::sleep( const unsigned long& ms ) { + ::Sleep( ms ); +} + +std::string System::getProcessPath() { + // Get path to executable: + WCHAR szDrive[_MAX_DRIVE]; + WCHAR szDir[_MAX_DIR]; + WCHAR szFilename[_MAX_DIR]; + WCHAR szExt[_MAX_DIR]; + std::wstring dllName( _MAX_DIR, 0 ); + + GetModuleFileNameW( 0, &dllName[0], _MAX_PATH ); + +#ifdef EFSW_COMPILER_MSVC + _wsplitpath_s( dllName.c_str(), szDrive, _MAX_DRIVE, szDir, _MAX_DIR, szFilename, _MAX_DIR, + szExt, _MAX_DIR ); +#else + _wsplitpath( dllName.c_str(), szDrive, szDir, szFilename, szExt ); +#endif + + return String( szDrive ).toUtf8() + String( szDir ).toUtf8(); +} + +void System::maxFD() {} + +Uint64 System::getMaxFD() { // Number of ReadDirectory per thread + return 60; +} + +}} // namespace efsw::Platform + +#endif diff --git a/src/efsw/platform/win/SystemImpl.hpp b/src/efsw/platform/win/SystemImpl.hpp new file mode 100644 index 0000000..99b4867 --- /dev/null +++ b/src/efsw/platform/win/SystemImpl.hpp @@ -0,0 +1,25 @@ +#ifndef EFSW_SYSTEMIMPLWIN_HPP +#define EFSW_SYSTEMIMPLWIN_HPP + +#include + +#if EFSW_PLATFORM == EFSW_PLATFORM_WIN32 + +namespace efsw { namespace Platform { + +class System { + public: + static void sleep( const unsigned long& ms ); + + static std::string getProcessPath(); + + static void maxFD(); + + static Uint64 getMaxFD(); +}; + +}} // namespace efsw::Platform + +#endif + +#endif diff --git a/src/efsw/sophist.h b/src/efsw/sophist.h new file mode 100644 index 0000000..3a64504 --- /dev/null +++ b/src/efsw/sophist.h @@ -0,0 +1,147 @@ +/* sophist.h - 0.3 - public domain - Sean Barrett 2010 +** Knowledge drawn from Brian Hook's posh.h and http://predef.sourceforge.net +** Sophist provides portable types; you typedef/#define them to your own names +** +** defines: +** - SOPHIST_endian - either SOPHIST_little_endian or SOPHIST_big_endian +** - SOPHIST_has_64 - either 0 or 1; if 0, int64 types aren't defined +** - SOPHIST_pointer64 - either 0 or 1; if 1, pointer is 64-bit +** +** - SOPHIST_intptr, SOPHIST_uintptr - integer same size as pointer +** - SOPHIST_int8, SOPHIST_uint8, SOPHIST_int16, SOPHIST_uint16 +** - SOPHIST_int32, SOPHIST_uint32, SOPHIST_int64, SOPHIST_uint64 +** - SOPHIST_int64_constant(number) - macros for creating 64-bit +** - SOPHIST_uint64_constant(number) integer constants +** - SOPHIST_printf_format64 - string for printf format for int64 +*/ + +#ifndef __INCLUDE_SOPHIST_H__ +#define __INCLUDE_SOPHIST_H__ + +#define SOPHIST_compiletime_assert(name,val) \ + typedef int SOPHIST__assert##name[(val) ? 1 : -1] + +/* define a couple synthetic rules to make code more readable */ +#if (defined(__sparc__) || defined(__sparc)) && \ + (defined(__arch64__) || defined(__sparcv9) || defined(__sparc_v9__)) + #define SOPHIST_sparc64 +#endif + +#if (defined(linux) || defined(__linux__)) && \ + (defined(__alpha)||defined(__alpha__)||defined(__x86_64__)||defined(_M_X64)) + #define SOPHIST_linux64 +#endif + +/* basic types */ +typedef signed char SOPHIST_int8; +typedef unsigned char SOPHIST_uint8; + +typedef signed short SOPHIST_int16; +typedef unsigned short SOPHIST_uint16; + +#ifdef __palmos__ + typedef signed long SOPHIST_int32; + typedef unsigned long SOPHIST_uint32; +#else + typedef signed int SOPHIST_int32; + typedef unsigned int SOPHIST_uint32; +#endif + +#ifndef SOPHIST_NO_64 + #if defined(_MSC_VER) || defined(__WATCOMC__) || defined(__BORLANDC__) \ + || (defined(__alpha) && defined(__DECC)) + + typedef signed __int64 SOPHIST_int64; + typedef unsigned __int64 SOPHIST_uint64; + #define SOPHIST_has_64 1 + #define SOPHIST_int64_constant(x) (x##i64) + #define SOPHIST_uint64_constant(x) (x##ui64) + #define SOPHIST_printf_format64 "I64" + + #elif defined(__LP64__) || defined(__powerpc64__) || defined(SOPHIST_sparc64) + + typedef signed long SOPHIST_int64; + typedef unsigned long SOPHIST_uint64; + + #define SOPHIST_has_64 1 + #define SOPHIST_int64_constant(x) ((SOPHIST_int64) x) + #define SOPHIST_uint64_constant(x) ((SOPHIST_uint64) x) + #define SOPHIST_printf_format64 "l" + + #elif defined(_LONG_LONG) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) \ + || defined(__GNUC__) || defined(__MWERKS__) || defined(__APPLE_CC__) \ + || defined(sgi) || defined (__sgi) || defined(__sgi__) \ + || defined(_CRAYC) + + typedef signed long long SOPHIST_int64; + typedef unsigned long long SOPHIST_uint64; + + #define SOPHIST_has_64 1 + #define SOPHIST_int64_constant(x) (x##LL) + #define SOPHIST_uint64_constant(x) (x##ULL) + #define SOPHIST_printf_format64 "ll" + #endif +#endif + +#ifndef SOPHIST_has_64 +#define SOPHIST_has_64 0 +#endif + +SOPHIST_compiletime_assert( int8 , sizeof(SOPHIST_int8 ) == 1); +SOPHIST_compiletime_assert(uint16, sizeof(SOPHIST_int16) == 2); +SOPHIST_compiletime_assert( int32, sizeof(SOPHIST_int32 ) == 4); +SOPHIST_compiletime_assert(uint32, sizeof(SOPHIST_uint32) == 4); + +#if SOPHIST_has_64 + SOPHIST_compiletime_assert( int64, sizeof(SOPHIST_int64 ) == 8); + SOPHIST_compiletime_assert(uint64, sizeof(SOPHIST_uint64) == 8); +#endif + +/* determine whether pointers are 64-bit */ + +#if defined(SOPHIST_linux64) || defined(SOPHIST_sparc64) \ + || defined(__osf__) || (defined(_WIN64) && !defined(_XBOX)) \ + || defined(__64BIT__) \ + || defined(__LP64) || defined(__LP64__) || defined(_LP64) \ + || defined(_ADDR64) || defined(_CRAYC) \ + + #define SOPHIST_pointer64 1 + + SOPHIST_compiletime_assert(pointer64, sizeof(void*) == 8); + + typedef SOPHIST_int64 SOPHIST_intptr; + typedef SOPHIST_uint64 SOPHIST_uintptr; +#else + + #define SOPHIST_pointer64 0 + + SOPHIST_compiletime_assert(pointer64, sizeof(void*) <= 4); + + /* do we care about pointers that are only 16-bit? */ + typedef SOPHIST_int32 SOPHIST_intptr; + typedef SOPHIST_uint32 SOPHIST_uintptr; + +#endif + +SOPHIST_compiletime_assert(intptr, sizeof(SOPHIST_intptr) == sizeof(char *)); + +/* enumerate known little endian cases; fallback to big-endian */ + +#define SOPHIST_little_endian 1 +#define SOPHIST_big_endian 2 + +#if defined(__386__) || defined(i386) || defined(__i386__) \ + || defined(__X86) || defined(_M_IX86) \ + || defined(_M_X64) || defined(__x86_64__) \ + || defined(alpha) || defined(__alpha) || defined(__alpha__) \ + || defined(_M_ALPHA) \ + || defined(ARM) || defined(_ARM) || defined(__arm__) \ + || defined(WIN32) || defined(_WIN32) || defined(__WIN32__) \ + || defined(_WIN32_WCE) || defined(__NT__) \ + || defined(__MIPSEL__) + #define SOPHIST_endian SOPHIST_little_endian +#else + #define SOPHIST_endian SOPHIST_big_endian +#endif + +#endif /* __INCLUDE_SOPHIST_H__ */ diff --git a/src/test/efsw-test.c b/src/test/efsw-test.c new file mode 100644 index 0000000..143f35f --- /dev/null +++ b/src/test/efsw-test.c @@ -0,0 +1,164 @@ +#include + +#include +#include +#include +#include +#include +#include + +#ifdef _WIN32 +#include +#else +#include +#endif + +const char PATH_SEPARATOR = +#ifdef _WIN32 + '\\'; +#else + '/'; +#endif + +bool STOP = false; + +void sigend( int sig ) { + printf( "Bye bye" ); + STOP = true; +} + +void sleepMsecs( int msecs ) { +#ifdef _WIN32 + Sleep( msecs ); +#else + sleep( msecs ); +#endif +} + +const char* getActionName( enum efsw_action action ) { + switch ( action ) { + case EFSW_ADD: + return "Add"; + case EFSW_MODIFIED: + return "Modified"; + case EFSW_DELETE: + return "Delete"; + case EFSW_MOVED: + return "Moved"; + default: + return "Bad Action"; + } +} + +void handleFileAction( efsw_watcher watcher, efsw_watchid watchid, const char* dir, + const char* filename, enum efsw_action action, const char* oldFilename, + void* param ) { + if ( strlen( oldFilename ) == 0 ) { + printf( "Watch ID %ld DIR (%s) FILE (%s) has event %s\n", watchid, dir, filename, + getActionName( action ) ); + } else { + printf( "Watch ID %ld DIR (%s) FILE (from file %s to %s) has event %s\n", watchid, dir, + oldFilename, filename, getActionName( action ) ); + } +} + +efsw_watchid handleWatchID( efsw_watchid watchid ) { + switch ( watchid ) { + case EFSW_NOTFOUND: + case EFSW_REPEATED: + case EFSW_OUTOFSCOPE: + case EFSW_REMOTE: + case EFSW_WATCHER_FAILED: + case EFSW_UNSPECIFIED: { + printf( "%s\n", efsw_getlasterror() ); + break; + } + default: { + printf( "Added WatchID: %ld\n", watchid ); + } + } + + return watchid; +} + +int main( int argc, char** argv ) { + signal( SIGABRT, sigend ); + signal( SIGINT, sigend ); + signal( SIGTERM, sigend ); + + printf( "Press ^C to exit demo\n" ); + + bool commonTest = true; + bool useGeneric = false; + char* path = 0; + + if ( argc >= 2 ) { + path = argv[1]; + + struct stat s; + if ( stat( path, &s ) == 0 && ( s.st_mode & S_IFDIR ) == S_IFDIR ) { + commonTest = false; + } + + if ( argc >= 3 ) { + if ( strcmp( argv[2], "true" ) == 0 ) { + useGeneric = true; + } + } + } + + /// create the file watcher object + efsw_watcher fileWatcher = efsw_create( useGeneric ); + efsw_follow_symlinks( fileWatcher, false ); + efsw_allow_outofscopelinks( fileWatcher, false ); + + if ( commonTest ) { + char cwd[256]; + getcwd( cwd, sizeof( cwd ) ); + printf( "CurPath: %s\n", cwd ); + + /// starts watching + efsw_watch( fileWatcher ); + + /// add a watch to the system + char path1[512]; + snprintf( path1, sizeof( path1 ), "%s%ctest", cwd, PATH_SEPARATOR ); + handleWatchID( efsw_addwatch_withoptions( fileWatcher, path1, handleFileAction, true, 0, 0, + 0, NULL ) ); + + /// adds another watch after started watching... + sleepMsecs( 100 ); + + char path2[512]; + snprintf( path2, sizeof( path2 ), "%s%ctest2", cwd, PATH_SEPARATOR ); + efsw_watchid watchID = handleWatchID( efsw_addwatch_withoptions( + fileWatcher, path2, handleFileAction, true, 0, 0, 0, NULL ) ); + + /// delete the watch + if ( watchID > 0 ) { + sleepMsecs( 1000 ); + efsw_removewatch_byid( fileWatcher, watchID ); + } + } else { + if ( efsw_addwatch( fileWatcher, path, handleFileAction, true, 0 ) > 0 ) { + efsw_watch( fileWatcher ); + + printf( "Watching directory: %s\n", path ); + + if ( useGeneric ) { + printf( "Using generic backend watcher\n" ); + } + } else { + printf( "Error trying to watch directory: %s\n", path ); + printf( "%s\n", efsw_getlasterror() ); + } + } + + while ( !STOP ) { + sleepMsecs( 100 ); + } + + efsw_release( fileWatcher ); + + return 0; +} diff --git a/src/test/joomer-efsw-file-monitoring.cpp b/src/test/joomer-efsw-file-monitoring.cpp new file mode 100644 index 0000000..bf1fc64 --- /dev/null +++ b/src/test/joomer-efsw-file-monitoring.cpp @@ -0,0 +1,139 @@ +#include +#include +#include +#include +#include + +bool STOP = false; + +void sigend( int ) { + std::cout << std::endl << "Bye bye" << std::endl; + STOP = true; +} + +/// Processes a file action +class UpdateListener : public efsw::FileWatchListener { + public: + UpdateListener() {} + + std::string getActionName( efsw::Action action ) { + switch ( action ) { + case efsw::Actions::Add: + return "Add"; + case efsw::Actions::Modified: + return "Modified"; + case efsw::Actions::Delete: + return "Delete"; + case efsw::Actions::Moved: + return "Moved"; + default: + return "Bad Action"; + } + } + + void handleFileAction( efsw::WatchID watchid, const std::string& dir, + const std::string& filename, efsw::Action action, + std::string oldFilename = "" ) override { + std::cout << "Watch ID " << watchid << " DIR (" + << dir + ") FILE (" + + ( oldFilename.empty() ? "" : "from file " + oldFilename + " to " ) + + filename + ") has event " + << getActionName( action ) << std::endl; + } +}; + +efsw::WatchID handleWatchID( efsw::WatchID watchid ) { + switch ( watchid ) { + case efsw::Errors::FileNotFound: + case efsw::Errors::FileRepeated: + case efsw::Errors::FileOutOfScope: + case efsw::Errors::FileRemote: + case efsw::Errors::WatcherFailed: + case efsw::Errors::Unspecified: { + std::cout << efsw::Errors::Log::getLastErrorLog().c_str() << std::endl; + break; + } + default: { + std::cout << "Added WatchID: " << watchid << std::endl; + } + } + + return watchid; +} + +int main( int argc, char** argv ) { + signal( SIGABRT, sigend ); + signal( SIGINT, sigend ); + signal( SIGTERM, sigend ); + + std::cout << "Press ^C to exit demo" << std::endl; + + bool commonTest = true; + bool useGeneric = false; + std::string path; + + if ( argc >= 2 ) { + path = std::string( argv[1] ); + + if ( efsw::FileSystem::isDirectory( path ) ) { + commonTest = false; + } + + if ( argc >= 3 ) { + if ( std::string( argv[2] ) == "true" ) { + useGeneric = true; + } + } + } + + UpdateListener* ul = new UpdateListener(); + + /// create the file watcher object + efsw::FileWatcher fileWatcher( useGeneric ); + + fileWatcher.followSymlinks( false ); + fileWatcher.allowOutOfScopeLinks( false ); + + if ( commonTest ) { + std::string CurPath( efsw::System::getProcessPath() ); + + std::cout << "CurPath: " << CurPath.c_str() << std::endl; + + /// starts watching + fileWatcher.watch(); + + /// add a watch to the system + handleWatchID( fileWatcher.addWatch( CurPath + "test", ul, true ) ); + + /// adds another watch after started watching... + efsw::System::sleep( 100 ); + + efsw::WatchID watchID = + handleWatchID( fileWatcher.addWatch( CurPath + "test2", ul, true ) ); + + /// delete the watch + if ( watchID > 0 ) { + efsw::System::sleep( 1000 ); + fileWatcher.removeWatch( watchID ); + } + } else { + if ( fileWatcher.addWatch( path, ul, true ) > 0 ) { + fileWatcher.watch(); + + std::cout << "Watching directory: " << path.c_str() << std::endl; + + if ( useGeneric ) { + std::cout << "Using generic backend watcher" << std::endl; + } + } else { + std::cout << "Error trying to watch directory: " << path.c_str() << std::endl; + std::cout << efsw::Errors::Log::getLastErrorLog().c_str() << std::endl; + } + } + + while ( !STOP ) { + efsw::System::sleep( 100 ); + } + + return 0; +}