A Lightweight and fully asynchronous MQTT 3.1.1 client C library based on libev. And provide Lua-binding.

• Lightweight - 27KB(Using glibc,stripped)
• Fully asynchronous - Use libev as its event backend
• Support QoS 0, 1 and 2
• Support ssl - OpenSSL, mbedtls and CyaSSl(wolfssl)
• Code structure is concise and understandable, also suitable for learning
• Lua-binding

• libev
• mbedtls - If you choose mbedtls as your SSL backend
• CyaSSl(wolfssl) - If you choose wolfssl as your SSL backend
• openssl - If you choose openssl as your SSL backend

sudo apt int libev-dev libssl-dev liblua5.2-dev

git clone --recursive https://github.com/zhaojh329/libumqtt.git
cd libumqtt
mkdir build && cd build
make && sudo make install

If you would like to help making libumqtt better, see the CONTRIBUTING.md file.