https://github.com/warmcat/libwebsockets
https://blog.csdn.net/weixin_39510813/article/details/86728804
https://blog.csdn.net/fantasysolo/article/details/88908948
https://blog.csdn.net/cjqqschoolqq/article/details/88728092
https://blog.csdn.net/u013780605/article/details/79489197
https://blog.csdn.net/qq_39101111/article/details/79009110
https://blog.csdn.net/yuanwei1314/article/details/76228495
https://blog.csdn.net/u013780605/article/details/79489183
https://blog.csdn.net/hellokandy/article/details/70877870
编译
cd libwebsockets
mkdir build
cd build
cmake .. -DCMAKE_BUILD_TYPE=DEBUG -DCMAKE_INSTALL_PREFIX=/home/libwebsocket_x86