local server_add = require "net.server".add;

local log = require "util.logger".init("connlisteners");

local dofile, pcall, error = 

	dofile, pcall, error

module "connlisteners"

local listeners = {};

function register(name, listener)

	if listeners[name] and listeners[name] ~= listener then

		log("warning", "Listener %s is already registered, not registering any more", name);

		return false;

	end

	listeners[name] = listener;

	log("info", "Registered connection listener %s", name);

	return true;

end

function deregister(name)

	listeners[name] = nil;

end

function get(name)

	local h = listeners[name];

	if not h then

		pcall(dofile, "net/"..name:gsub("[^%w%-]", "_").."_listener.lua");

		h = listeners[name];

	end

	return h;

end

function start(name, udata)

	local h = get(name);

	if not h then

		error("No such connection module: "..name, 0);

	end

	return server_add(h, 

			udata.port or h.default_port or error("Can't start listener "..name.." because no port was specified, and it has no default port", 0), 

				udata.interface or "*", udata.mode or h.default_mode or 1, udata.ssl );

end

return _M;