I have a C/C++ server process that needs to broadcast data to some number of client programs on other computers. Client programs are also C/C++. I need a reliable and lightweight communication library that will allow my server to communicate with any number of clients. Clients must be able to detect when a socket connection is no longer open, hopefully without having to constantly poll the server. I do not want to use something huge like Boost. I want something lightweight and simple. Any ideas?
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See the answer to this question. It looks like Qt may include what you need, and it’s known as relatively simple to use. SDL.net is another alternative that might meet those requirements.