73 lines
2.6 KiB
Markdown
73 lines
2.6 KiB
Markdown
# poomer-discord
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### Overview
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Prototype C++ Discord bot, that supports 2 features
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- listens for /oomer command and replies, then 5 seconds later it sends a jpeg
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- When one or more jpegs are dropped into a channel, it will read the jpeg, flip it vertically and send it back to the channel
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- In both cases it will use @{user} in the reponse to notify the submitter
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----
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### Technical details
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- Uses DPP c++ lib for Discord comms
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- depends on openssl and zlib
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- non blocking multi-threaded, so it can listen for other users sending /oomer command while spawning one or more threads to deal with jpeg replies
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- jpeg image is stored as byte data in embedded_image.h to avoid an on disk jpeg.
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## Build
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### Ubuntu Linux
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```
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sudo apt install build-essential git cmake -y
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mkdir workdir && cd workdir
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mkdir zlib libssl DPP poomer-discord sqlite3 && cd zlib
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git clone https://github.com/madler/zlib.git .
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./configure --static
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make -j4
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cd ../libssl && git clone https://github.com/openssl/openssl.git .
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./Configure linux-x86_64 no-shared
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make -j4
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cd ../DPP && git clone https://github.com/brainboxdotcc/DPP.git .
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#zlib wants an absolute path to help cmake find_package work, ssl requires explicit vars
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cmake -B ./build \
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-DCMAKE_PREFIX_PATH="$PWD/../zlib;$PWD/../libssl"
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cmake --build ./build -j4
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cd ../sqlite3
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wget https://www.sqlite.org/2025/sqlite-autoconf-3510100.tar.gz
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tar xzf sqlite-autoconf-3510100.tar.gz --strip-components=1
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./configure --enable-static --disable-shared && make -j4
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cd ../poomer-discord && git clone https://git.indoodle.com/oomer/poomer-discord.git .
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wget https://raw.githubusercontent.com/nothings/stb/master/stb_image.h
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wget https://raw.githubusercontent.com/nothings/stb/master/stb_image_write.h
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make all -j4
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```
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### MacOS
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```
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mkdir workdir && cd workdir
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mkdir homebrew
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curl -L https://github.com/Homebrew/brew/tarball/master | tar xz --strip-components 1 -C homebrew
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eval "$(homebrew/bin/brew shellenv)"
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brew update --force --quiet
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brew install openssl
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git clone https://github.com/brainboxdotcc/DPP.git
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cd DPP
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/Applications/CMake.app/Contents/bin/cmake -B ./build \
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-DOPENSSL_ROOT_DIR=../homebrew/opt/openssl@3 \
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-DOPENSSL_INCLUDE_DIR=../homebrew/opt/openssl@3/include \
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-DOPENSSL_CRYPTO_LIBRARY=../homebrew/opt/openssl@3/lib/libcrypto.a \
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-DOPENSSL_SSL_LIBRARY=../homebrew/opt/openssl@3/lib/libssl.a
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/Applications/CMake.app/Contents/bin/cmake --build ./build -j8
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cd ..
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git clone https://git.indoodle.com/oomer/poomer-discord.git
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cd poomer-discord
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curl -LO https://raw.githubusercontent.com/nothings/stb/master/stb_image.h
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curl -LO https://raw.githubusercontent.com/nothings/stb/master/stb_image_write.h
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make all -j4
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```
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