Copas is a dispatcher based on coroutines that can be used by TCP/IP socket request/response servers. It uses LuaSocket as the interface with the TCP/IP stack. A server registered with Copas should provide a handler for requests and use Copas socket functions to send the response. Copas loops through requests and invokes the corresponding handlers. Since Copas is coroutine based, using it within a pcall or xpcall context does not work with Lua 5.1 yielding. If you need to use those functions we strongly suggest using Xavante's coxpcall, a coroutine safe version of the Lua 5.1 protected calls.
WWW: http://keplerproject.github.io/copas/
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