neil-wu / fossa

Async non-blocking multi-protocol networking library for C/C++

Multi-Protocol Networking Library

Fossa is a multi-protocol networking library written in C. It provides easy to use event-driven interface that allows to implement network protocols or scalable network applications with little effort. Fossa releives developers from the burden of network programming complexity and let them concentrate on the logic, saving time and money.

Fossa has built-in support for several protocols, like HTTP and Websocket, and is ideal for embedded environments. Fossa has been designed as an open source platform for connecting devices and bringing them online.

Features

• Cross-platform: works on Linux/UNIX, QNX, eCos, Windows, Android, iPhone, etc

• Single-threaded, asynchronous, non-blocking core with simple event-based API

• Builtin protocols:

  • plain TCP, plain UDP, SSL/TLS (over TCP, one-way or two-way)

  • HTTP client, HTTP server

  • Websocket client, Websocket server

  • JSON-RPC client, JSON-RPC server

  • MQTT client

• Tiny static and run-time footprint

• Source code is both ISO C and ISO C++ compliant

• Very easy to integrate: just copy fossa.c and fossa.h to your build tree

• Extensively tested and production-ready, trusted by many blue chip businesses

Examples & Documentation

• User Guide - Detailed User Guide and API reference

• examples - Collection of well-commented examples. To build any example, go into respective directory and type make

License

Fossa is released under GNU GPL v.2. Businesses have an option to get non-restrictive, royalty-free commercial license and professional support from Cesanta Software.