14 files changed, 2037 insertions, 1048 deletions
diff --git a/net/adns.lua b/net/adns.lua
index 5d5a2256..88d4b4b3 100644
--- a/net/adns.lua
+++ b/net/adns.lua
@@ -14,6 +14,8 @@ local log = require "util.logger".init("adns");
 local t_insert, t_remove = table.insert, table.remove;
 local coroutine, tostring, pcall = coroutine, tostring, pcall;
 
+local function dummy_send(sock, data, i, j) return (j-i)+1; end
+
 module "adns"
 
 function lookup(handler, qname, qtype, qclass)
@@ -43,35 +45,39 @@ function cancel(handle, call_handler)
 end
 
 function new_async_socket(sock, resolver)
-	local newconn, peername = {}, "<unknown>";
+	local peername = "<unknown>";
 	local listener = {};
-	function listener.incoming(conn, data)
-		dns.feed(sock, data);
-	end
-	function listener.disconnect(conn, err)
-		log("warn", "DNS socket for %s disconnected: %s", peername, err);
-		local servers = resolver.server;
-		if resolver.socketset[newconn.handler] == resolver.best_server and resolver.best_server == #servers then
-			log("error", "Exhausted all %d configured DNS servers, next lookup will try %s again", #servers, servers[1]);
+	local handler = {};
+	function listener.onincoming(conn, data)
+		if data then
+			dns.feed(handler, data);
 		end
+	end
+	function listener.ondisconnect(conn, err)
+		if err then
+			log("warn", "DNS socket for %s disconnected: %s", peername, err);
+			local servers = resolver.server;
+			if resolver.socketset[conn] == resolver.best_server and resolver.best_server == #servers then
+				log("error", "Exhausted all %d configured DNS servers, next lookup will try %s again", #servers, servers[1]);
+			end
 		
-		resolver:servfail(conn); -- Let the magic commence
+			resolver:servfail(conn); -- Let the magic commence
+		end
 	end
-	newconn.handler, newconn._socket = server.wrapclient(sock, "dns", 53, listener);
-	if not newconn.handler then
+	handler = server.wrapclient(sock, "dns", 53, listener);
+	if not handler then
 		log("warn", "handler is nil");
 	end
-	if not newconn._socket then
-		log("warn", "socket is nil");
-	end
-	newconn.handler.settimeout = function () end
-	newconn.handler.setsockname = function (_, ...) return sock:setsockname(...); end
-	newconn.handler.setpeername = function (_, ...) peername = (...); local ret = sock:setpeername(...); _.setsend(sock.send); return ret; end
-	newconn.handler.connect = function (_, ...) return sock:connect(...) end
-	newconn.handler.send = function (_, data) _.write(data); return _.sendbuffer(); end
-	return newconn.handler;
+	
+	handler.settimeout = function () end
+	handler.setsockname = function (_, ...) return sock:setsockname(...); end
+	handler.setpeername = function (_, ...) peername = (...); local ret = sock:setpeername(...); _:set_send(dummy_send); return ret; end
+	handler.connect = function (_, ...) return sock:connect(...) end
+	--handler.send = function (_, data) _:write(data);  return _.sendbuffer and _.sendbuffer(); end
+	handler.send = function (_, data) return sock:send(data); end
+	return handler;
 end
 
-dns:socket_wrapper_set(new_async_socket);
+dns.socket_wrapper_set(new_async_socket);
 
 return _M;
diff --git a/net/connlisteners.lua b/net/connlisteners.lua
index 2bc591ac..93dce8b3 100644
--- a/net/connlisteners.lua
+++ b/net/connlisteners.lua
@@ -53,17 +53,17 @@ function start(name, udata)
 		error("No such connection module: "..name.. (err and (" ("..err..")") or ""), 0);
 	end
 	
-	if udata then
-		if (udata.type == "ssl" or udata.type == "tls") and not udata.ssl then
-			error("No SSL context supplied for a "..tostring(udata.type):upper().." connection!", 0);
-		elseif udata.ssl and udata.type == "tcp" then
-			error("SSL context supplied for a TCP connection!", 0);
-		end
+	local interface = (udata and udata.interface) or h.default_interface or "*";
+	local port = (udata and 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);
+	local mode = (udata and udata.mode) or h.default_mode or 1;
+	local ssl = (udata and udata.ssl) or nil;
+	local autossl = udata and udata.type == "ssl";
+	
+	if autossl and not ssl then
+		return nil, "no ssl context";
 	end
 	
-	return server.addserver(h, 
-			(udata and 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 and udata.interface) or h.default_interface or "*", (udata and udata.mode) or h.default_mode or 1, (udata and udata.ssl) or nil, 99999999, udata and udata.type == "ssl");
+	return server.addserver(interface, port, h, mode, autossl and ssl or nil);
 end
 
 return _M;
diff --git a/net/dns.lua b/net/dns.lua
index 1b5321af..8855cc61 100644
--- a/net/dns.lua
+++ b/net/dns.lua
@@ -532,14 +532,19 @@ function resolver:adddefaultnameservers()    -- - - - -  adddefaultnameservers
 		if not self.server or #self.server == 0 then
 			-- TODO log warning about no nameservers, adding opendns servers as fallback
 			self:addnameserver("208.67.222.222");
-			self:addnameserver("208.67.220.220") ; 	
+			self:addnameserver("208.67.220.220");
 		end
 	else -- posix
 		local resolv_conf = io.open("/etc/resolv.conf");
 		if resolv_conf then
 			for line in resolv_conf:lines() do
-				local address = line:gsub("#.*$", ""):match('^%s*nameserver%s+(%d+%.%d+%.%d+%.%d+)%s*$');
-				if address then self:addnameserver(address) end
+				line = line:gsub("#.*$", "")
+					:match('^%s*nameserver%s+(.*)%s*$');
+				if line then
+					line:gsub("%f[%d.](%d+%.%d+%.%d+%.%d+)%f[^%d.]", function (address)
+						self:addnameserver(address)
+					end);
+				end
 			end
 		end
 		if not self.server or #self.server == 0 then
@@ -727,7 +732,7 @@ function resolver:receive(rset)    -- - - - - - - - - - - - - - - - -  receive
 			local packet = sock:receive();
 			if packet then
 				response = self:decode(packet);
-				if response and self.active[response.header.id] 
+				if response and self.active[response.header.id]
 					and self.active[response.header.id][response.question.raw] then
 					--print('received response');
 					--self.print(response);
@@ -796,7 +801,7 @@ function resolver:feed(sock, packet)
 				set(self.wanted, q.class, q.type, q.name, nil);
 			end
 		end
-	end 
+	end
 
 	return response;
 end
@@ -913,11 +918,6 @@ end
 -- module api ------------------------------------------------------ module api
 
 
-local function resolve(func, ...)    -- - - - - - - - - - - - - - resolver_get
-	return func(dns._resolver, ...);
-end
-
-
 function dns.resolver ()    -- - - - - - - - - - - - - - - - - - - - - resolver
 	-- this function seems to be redundant with resolver.new ()
 
@@ -928,37 +928,35 @@ function dns.resolver ()    -- - - - - - - - - - - - - - - - - - - - - resolver
 	return r;
 end
 
+local _resolver = dns.resolver();
+dns._resolver = _resolver;
 
 function dns.lookup(...)    -- - - - - - - - - - - - - - - - - - - - -  lookup
-	return resolve(resolver.lookup, ...);
+	return _resolver:lookup(...);
 end
 
-
 function dns.purge(...)    -- - - - - - - - - - - - - - - - - - - - - -  purge
-	return resolve(resolver.purge, ...);
+	return _resolver:purge(...);
 end
 
 function dns.peek(...)    -- - - - - - - - - - - - - - - - - - - - - - -  peek
-	return resolve(resolver.peek, ...);
+	return _resolver:peek(...);
 end
 
-
 function dns.query(...)    -- - - - - - - - - - - - - - - - - - - - - -  query
-	return resolve(resolver.query, ...);
+	return _resolver:query(...);
 end
 
-function dns.feed(...)    -- - - - - - - - - - - - - - - - - - - - - -  feed
-	return resolve(resolver.feed, ...);
+function dns.feed(...)    -- - - - - - - - - - - - - - - - - - - - - - -  feed
+	return _resolver:feed(...);
 end
 
-function dns.cancel(...)   -- - - - - - - - - - - - - - - - - - - - - -  cancel
-	return resolve(resolver.cancel, ...);
+function dns.cancel(...)  -- - - - - - - - - - - - - - - - - - - - - -  cancel
+	return _resolver:cancel(...);
 end
 
-function dns:socket_wrapper_set(...)    -- - - - - - - - -  socket_wrapper_set
-	return resolve(resolver.socket_wrapper_set, ...);
+function dns.socket_wrapper_set(...)    -- - - - - - - - -  socket_wrapper_set
+	return _resolver:socket_wrapper_set(...);
 end
 
-dns._resolver = dns.resolver();
-
 return dns;
diff --git a/net/http.lua b/net/http.lua
index 09777165..0634d773 100644
--- a/net/http.lua
+++ b/net/http.lua
@@ -17,11 +17,10 @@ local connlisteners_get = require "net.connlisteners".get;
 local listener = connlisteners_get("httpclient") or error("No httpclient listener!");
 
 local t_insert, t_concat = table.insert, table.concat;
-local tonumber, tostring, pairs, xpcall, select, debug_traceback, char, format = 
+local tonumber, tostring, pairs, xpcall, select, debug_traceback, char, format =
         tonumber, tostring, pairs, xpcall, select, debug.traceback, string.char, string.format;
 
 local log = require "util.logger".init("http");
-local print = function () end
 
 module "http"
 
@@ -51,7 +50,7 @@ local function request_reader(request, data, startpos)
 		return;
 	end
 	if request.state == "body" and request.state ~= "completed" then
-		print("Reading body...")
+		log("debug", "Reading body...")
 		if not request.body then request.body = {}; request.havebodylength, request.bodylength = 0, tonumber(request.responseheaders["content-length"]); end
 		if startpos then
 			data = data:sub(startpos, -1)
@@ -68,11 +67,11 @@ local function request_reader(request, data, startpos)
 				request.body = nil;
 				request.state = "completed";
 			else
-				print("", "Have "..request.havebodylength.." bytes out of "..request.bodylength);
+				log("debug", "Have "..request.havebodylength.." bytes out of "..request.bodylength);
 			end
 		end
 	elseif request.state == "headers" then
-		print("Reading headers...")
+		log("debug", "Reading headers...")
 		local pos = startpos;
 		local headers, headers_complete = request.responseheaders;
 		if not headers then
@@ -84,12 +83,12 @@ local function request_reader(request, data, startpos)
 			local k, v = line:match("(%S+): (.+)");
 			if k and v then
 				headers[k:lower()] = v;
-				--print("Header: "..k:lower().." = "..v);
+				--log("debug", "Header: "..k:lower().." = "..v);
 			elseif #line == 0 then
 				headers_complete = true;
 				break;
 			else
-				print("Unhandled header line: "..line);
+				log("warn", "Unhandled header line: "..line);
 			end
 		end
 		if not headers_complete then return; end
@@ -103,7 +102,7 @@ local function request_reader(request, data, startpos)
 			return request_reader(request, data, startpos);
 		end
 	elseif request.state == "status" then
-		print("Reading status...")
+		log("debug", "Reading status...")
 		local http, code, text, linelen = data:match("^HTTP/(%S+) (%d+) (.-)\r\n()", startpos);
 		code = tonumber(code);
 		if not code then
@@ -165,7 +164,7 @@ function request(u, ex, callback)
 	end
 	
 	req.handler, req.conn = server.wrapclient(socket.tcp(), req.host, req.port or 80, listener, "*a");
-	req.write = req.handler.write;
+	req.write = function (...) return req.handler:write(...); end
 	req.conn:settimeout(0);
 	local ok, err = req.conn:connect(req.host, req.port or 80);
 	if not ok and err ~= "timeout" then
@@ -212,8 +211,9 @@ end
 
 function destroy_request(request)
 	if request.conn then
-		request.handler.close()
-		listener.disconnect(request.handler, "closed");
+		request.conn = nil;
+		request.handler:close()
+		listener.ondisconnect(request.handler, "closed");
 	end
 end
 
diff --git a/net/httpclient_listener.lua b/net/httpclient_listener.lua
index 0fbcd928..dfa25062 100644
--- a/net/httpclient_listener.lua
+++ b/net/httpclient_listener.lua
@@ -15,7 +15,7 @@ local buffers = {}; -- Buffers of partial lines
 
 local httpclient = { default_port = 80, default_mode = "*a" };
 
-function httpclient.listener(conn, data)
+function httpclient.onincoming(conn, data)
 	local request = requests[conn];
 
 	if not request then
@@ -28,7 +28,7 @@ function httpclient.listener(conn, data)
 	end
 end
 
-function httpclient.disconnect(conn, err)
+function httpclient.ondisconnect(conn, err)
 	local request = requests[conn];
 	if request and err ~= "closed" then
 		request:reader(nil);
diff --git a/net/httpserver.lua b/net/httpserver.lua
index d3f6a276..59ddbb12 100644
--- a/net/httpserver.lua
+++ b/net/httpserver.lua
@@ -39,40 +39,35 @@ local function send_response(request, response)
 	if response.body or response.headers then
 		local body = response.body and tostring(response.body);
 		log("debug", "Sending response to %s", request.id);
-		resp = { "HTTP/1.0 ", response.status or "200 OK", "\r\n"};
+		resp = { "HTTP/1.0 "..(response.status or "200 OK").."\r\n" };
 		local h = response.headers;
 		if h then
 			for k, v in pairs(h) do
-				t_insert(resp, k);
-				t_insert(resp, ": ");
-				t_insert(resp, v);
-				t_insert(resp, "\r\n");
+				t_insert(resp, k..": "..v.."\r\n");
 			end
 		end
 		if body and not (h and h["Content-Length"]) then
-			t_insert(resp, "Content-Length: ");
-			t_insert(resp, #body);
-			t_insert(resp, "\r\n");
+			t_insert(resp, "Content-Length: "..#body.."\r\n");
 		end
 		t_insert(resp, "\r\n");
 		
 		if body and request.method ~= "HEAD" then
 			t_insert(resp, body);
 		end
+		request.write(t_concat(resp));
 	else
 		-- Response we have is just a string (the body)
 		log("debug", "Sending 200 response to %s", request.id or "<none>");
 		
-		resp = { "HTTP/1.0 200 OK\r\n" };
-		t_insert(resp, "Connection: close\r\n");
-		t_insert(resp, "Content-Type: text/html\r\n");
-		t_insert(resp, "Content-Length: ");
-		t_insert(resp, #response);
-		t_insert(resp, "\r\n\r\n");
+		local resp = "HTTP/1.0 200 OK\r\n"
+			.. "Connection: close\r\n"
+			.. "Content-Type: text/html\r\n"
+			.. "Content-Length: "..#response.."\r\n"
+			.. "\r\n"
+			.. response;
 		
-		t_insert(resp, response);
+		request.write(resp);
 	end
-	request.write(t_concat(resp));
 	if not request.stayopen then
 		request:destroy();
 	end
@@ -193,7 +188,7 @@ local function request_reader(request, data, startpos)
 		
 		request.url = url_parse(request.path);
 		
-		log("debug", method.." request for "..tostring(request.path) .. " on port "..request.handler.serverport());
+		log("debug", method.." request for "..tostring(request.path) .. " on port "..request.handler:serverport());
 		
 		if request.onlystatus then
 			if not call_callback(request) then
@@ -211,17 +206,17 @@ end
 
 -- The default handler for requests
 default_handler = function (method, body, request)
-	log("debug", method.." request for "..tostring(request.path) .. " on port "..request.handler.serverport());
-	return { status = "404 Not Found", 
+	log("debug", method.." request for "..tostring(request.path) .. " on port "..request.handler:serverport());
+	return { status = "404 Not Found",
 			headers = { ["Content-Type"] = "text/html" },
 			body = "<html><head><title>Page Not Found</title></head><body>Not here :(</body></html>" };
 end
 
 
 function new_request(handler)
-	return { handler = handler, conn = handler.socket, 
-			write = handler.write, state = "request", 
-			server = http_servers[handler.serverport()],
+	return { handler = handler, conn = handler,
+			write = function (...) return handler:write(...); end, state = "request",
+			server = http_servers[handler:serverport()],
 			send = send_response,
 			destroy = destroy_request,
 			id = tostring{}:match("%x+$")
@@ -239,9 +234,9 @@ function destroy_request(request)
 		else
 			log("debug", "Request has no destroy callback");
 		end
-		request.handler.close()
+		request.handler:close()
 		if request.conn then
-			listener.disconnect(request.handler, "closed");
+			listener.ondisconnect(request.conn, "closed");
 		end
 	end
 end
diff --git a/net/httpserver_listener.lua b/net/httpserver_listener.lua
index f673de77..84016033 100644
--- a/net/httpserver_listener.lua
+++ b/net/httpserver_listener.lua
@@ -16,7 +16,7 @@ local requests = {}; -- Open requests
 
 local httpserver = { default_port = 80, default_mode = "*a" };
 
-function httpserver.listener(conn, data)
+function httpserver.onincoming(conn, data)
 	local request = requests[conn];
 
 	if not request then
@@ -24,7 +24,7 @@ function httpserver.listener(conn, data)
 		requests[conn] = request;
 		
 		-- If using HTTPS, request is secure
-		if conn.ssl() then
+		if conn:ssl() then
 			request.secure = true;
 		end
 	end
@@ -34,7 +34,7 @@ function httpserver.listener(conn, data)
 	end
 end
 
-function httpserver.disconnect(conn, err)
+function httpserver.ondisconnect(conn, err)
 	local request = requests[conn];
 	if request and not request.destroyed then
 		request.conn = nil;
diff --git a/net/multiplex_listener.lua b/net/multiplex_listener.lua
new file mode 100644
index 00000000..bf193ad8
--- /dev/null
+++ b/net/multiplex_listener.lua
@@ -0,0 +1,46 @@
+
+local connlisteners_register = require "net.connlisteners".register;
+local connlisteners_get = require "net.connlisteners".get;
+
+local httpserver_listener = connlisteners_get("httpserver");
+local xmppserver_listener = connlisteners_get("xmppserver");
+local xmppclient_listener = connlisteners_get("xmppclient");
+local xmppcomponent_listener = connlisteners_get("xmppcomponent");
+
+local server = { default_mode = "*a" };
+
+local buffer = {};
+
+function server.onincoming(conn, data)
+	if not data then return; end
+	local buf = buffer[conn];
+	buffer[conn] = nil;
+	buf = buf and buf..data or data;
+	if buf:match("^[a-zA-Z]") then
+		local listener = httpserver_listener;
+		conn:setlistener(listener);
+		listener.onincoming(conn, buf);
+	elseif buf:match(">") then
+		local listener;
+		local xmlns = buf:match("%sxmlns%s*=%s*['\"]([^'\"]*)");
+		if xmlns == "jabber:server" then
+			listener = xmppserver_listener;
+		elseif xmlns == "jabber:component:accept" then
+			listener = xmppcomponent_listener;
+		else
+			listener = xmppclient_listener;
+		end
+		conn:setlistener(listener);
+		listener.onincoming(conn, buf);
+	elseif #buf > 1024 then
+		conn:close();
+	else
+		buffer[conn] = buf;
+	end
+end
+
+function server.ondisconnect(conn, err)
+	buffer[conn] = nil; -- warn if no buffer?
+end
+
+connlisteners_register("multiplex", server);
diff --git a/net/server.lua b/net/server.lua
index 61e3104f..e0d4b85a 100644
--- a/net/server.lua
+++ b/net/server.lua
@@ -1,914 +1,56 @@
--- 
--- server.lua by blastbeat of the luadch project
--- Re-used here under the MIT/X Consortium License
--- 
--- Modifications (C) 2008-2010 Matthew Wild, Waqas Hussain
---
-
--- // wrapping luadch stuff // --
-
-local use = function( what )
-    return _G[ what ]
-end
-local clean = function( tbl )
-    for i, k in pairs( tbl ) do
-        tbl[ i ] = nil
-    end
-end
-
-local log, table_concat = require ("util.logger").init("socket"), table.concat;
-local out_put = function (...) return log("debug", table_concat{...}); end
-local out_error = function (...) return log("warn", table_concat{...}); end
-local mem_free = collectgarbage
-
-----------------------------------// DECLARATION //--
-
---// constants //--
-
-local STAT_UNIT = 1    -- byte
-
---// lua functions //--
-
-local type = use "type"
-local pairs = use "pairs"
-local ipairs = use "ipairs"
-local tostring = use "tostring"
-local collectgarbage = use "collectgarbage"
-
---// lua libs //--
-
-local os = use "os"
-local table = use "table"
-local string = use "string"
-local coroutine = use "coroutine"
-
---// lua lib methods //--
-
-local os_time = os.time
-local os_difftime = os.difftime
-local table_concat = table.concat
-local table_remove = table.remove
-local string_len = string.len
-local string_sub = string.sub
-local coroutine_wrap = coroutine.wrap
-local coroutine_yield = coroutine.yield
-
---// extern libs //--
-
-local luasec = select( 2, pcall( require, "ssl" ) )
-local luasocket = require "socket"
-
---// extern lib methods //--
-
-local ssl_wrap = ( luasec and luasec.wrap )
-local socket_bind = luasocket.bind
-local socket_sleep = luasocket.sleep
-local socket_select = luasocket.select
-local ssl_newcontext = ( luasec and luasec.newcontext )
-
---// functions //--
-
-local id
-local loop
-local stats
-local idfalse
-local addtimer
-local closeall
-local addserver
-local getserver
-local wrapserver
-local getsettings
-local closesocket
-local removesocket
-local removeserver
-local changetimeout
-local wrapconnection
-local changesettings
-
---// tables //--
-
-local _server
-local _readlist
-local _timerlist
-local _sendlist
-local _socketlist
-local _closelist
-local _readtimes
-local _writetimes
-
---// simple data types //--
-
-local _
-local _readlistlen
-local _sendlistlen
-local _timerlistlen
-
-local _sendtraffic
-local _readtraffic
-
-local _selecttimeout
-local _sleeptime
-
-local _starttime
-local _currenttime
-
-local _maxsendlen
-local _maxreadlen
-
-local _checkinterval
-local _sendtimeout
-local _readtimeout
-
-local _cleanqueue
-
-local _timer
-
-local _maxclientsperserver
-
-----------------------------------// DEFINITION //--
-
-_server = { }    -- key = port, value = table; list of listening servers
-_readlist = { }    -- array with sockets to read from
-_sendlist = { }    -- arrary with sockets to write to
-_timerlist = { }    -- array of timer functions
-_socketlist = { }    -- key = socket, value = wrapped socket (handlers)
-_readtimes = { }   -- key = handler, value = timestamp of last data reading
-_writetimes = { }   -- key = handler, value = timestamp of last data writing/sending
-_closelist = { }    -- handlers to close
-
-_readlistlen = 0    -- length of readlist
-_sendlistlen = 0    -- length of sendlist
-_timerlistlen = 0    -- lenght of timerlist
-
-_sendtraffic = 0    -- some stats
-_readtraffic = 0
-
-_selecttimeout = 1    -- timeout of socket.select
-_sleeptime = 0    -- time to wait at the end of every loop
-
-_maxsendlen = 51000 * 1024    -- max len of send buffer
-_maxreadlen = 25000 * 1024    -- max len of read buffer
-
-_checkinterval = 1200000    -- interval in secs to check idle clients
-_sendtimeout = 60000    -- allowed send idle time in secs
-_readtimeout = 6 * 60 * 60    -- allowed read idle time in secs
-
-_cleanqueue = false    -- clean bufferqueue after using
-
-_maxclientsperserver = 1000
-
-_maxsslhandshake = 30 -- max handshake round-trips
-----------------------------------// PRIVATE //--
-
-wrapserver = function( listeners, socket, ip, serverport, pattern, sslctx, maxconnections, startssl )    -- this function wraps a server
-
-    maxconnections = maxconnections or _maxclientsperserver
-
-    local connections = 0
-
-    local dispatch, disconnect = listeners.incoming or listeners.listener, listeners.disconnect
-
-    local err
-
-    local ssl = false
-
-    if sslctx then
-        ssl = true
-        if not ssl_newcontext then
-            out_error "luasec not found"
-            ssl = false
-        end
-        if type( sslctx ) ~= "table" then
-            out_error "server.lua: wrong server sslctx"
-            ssl = false
-        end
-        local ctx;
-        ctx, err = ssl_newcontext( sslctx )
-        if not ctx then
-            err = err or "wrong sslctx parameters"
-            local file;
-            file = err:match("^error loading (.-) %(");
-            if file then
-            	if file == "private key" then
-            		file = sslctx.key or "your private key";
-            	elseif file == "certificate" then
-            		file = sslctx.certificate or "your certificate file";
-            	end
-	        local reason = err:match("%((.+)%)$") or "some reason";
-	        if reason == "Permission denied" then
-	        	reason = "Check that the permissions allow Prosody to read this file.";
-	        elseif reason == "No such file or directory" then
-	        	reason = "Check that the path is correct, and the file exists.";
-	        elseif reason == "system lib" then
-	        	reason = "Previous error (see logs), or other system error.";
-	        else
-	        	reason = "Reason: "..tostring(reason or "unknown"):lower();
-	        end
-	        log("error", "SSL/TLS: Failed to load %s: %s", file, reason);
-	    else
-                log("error", "SSL/TLS: Error initialising for port %d: %s", serverport, err );
-            end
-            ssl = false
-        end
-        sslctx = ctx;
-    end
-    if not ssl then
-      sslctx = false;
-      if startssl then
-         log("error", "Failed to listen on port %d due to SSL/TLS to SSL/TLS initialisation errors (see logs)", serverport )
-         return nil, "Cannot start ssl,  see log for details"
-       end
-    end
-
-    local accept = socket.accept
-
-    --// public methods of the object //--
-
-    local handler = { }
-
-    handler.shutdown = function( ) end
-
-    handler.ssl = function( )
-        return ssl
-    end
-    handler.sslctx = function( )
-        return sslctx
-    end
-    handler.remove = function( )
-        connections = connections - 1
-    end
-    handler.close = function( )
-        for _, handler in pairs( _socketlist ) do
-            if handler.serverport == serverport then
-                handler.disconnect( handler, "server closed" )
-                handler.close( true )
-            end
-        end
-        socket:close( )
-        _sendlistlen = removesocket( _sendlist, socket, _sendlistlen )
-        _readlistlen = removesocket( _readlist, socket, _readlistlen )
-        _socketlist[ socket ] = nil
-        handler = nil
-        socket = nil
-        --mem_free( )
-        out_put "server.lua: closed server handler and removed sockets from list"
-    end
-    handler.ip = function( )
-        return ip
-    end
-    handler.serverport = function( )
-        return serverport
-    end
-    handler.socket = function( )
-        return socket
-    end
-    handler.readbuffer = function( )
-        if connections > maxconnections then
-            out_put( "server.lua: refused new client connection: server full" )
-            return false
-        end
-        local client, err = accept( socket )    -- try to accept
-        if client then
-            local ip, clientport = client:getpeername( )
-            client:settimeout( 0 )
-            local handler, client, err = wrapconnection( handler, listeners, client, ip, serverport, clientport, pattern, sslctx, startssl )    -- wrap new client socket
-            if err then    -- error while wrapping ssl socket
-                return false
-            end
-            connections = connections + 1
-            out_put( "server.lua: accepted new client connection from ", tostring(ip), ":", tostring(clientport), " to ", tostring(serverport))
-            return dispatch( handler )
-        elseif err then    -- maybe timeout or something else
-            out_put( "server.lua: error with new client connection: ", tostring(err) )
-            return false
-        end
-    end
-    return handler
-end
-
-wrapconnection = function( server, listeners, socket, ip, serverport, clientport, pattern, sslctx, startssl )    -- this function wraps a client to a handler object
-
-    socket:settimeout( 0 )
-
-    --// local import of socket methods //--
-
-    local send
-    local receive
-    local shutdown
-
-    --// private closures of the object //--
-
-    local ssl
-
-    local dispatch = listeners.incoming or listeners.listener
-    local status = listeners.status
-    local disconnect = listeners.disconnect
-
-    local bufferqueue = { }    -- buffer array
-    local bufferqueuelen = 0    -- end of buffer array
-
-    local toclose
-    local fatalerror
-    local needtls
-
-    local bufferlen = 0
-
-    local noread = false
-    local nosend = false
-
-    local sendtraffic, readtraffic = 0, 0
-
-    local maxsendlen = _maxsendlen
-    local maxreadlen = _maxreadlen
-
-    --// public methods of the object //--
-
-    local handler = bufferqueue    -- saves a table ^_^
-
-    handler.dispatch = function( )
-        return dispatch
-    end
-    handler.disconnect = function( )
-        return disconnect
-    end
-    handler.setlistener = function( listeners )
-        dispatch = listeners.incoming
-        disconnect = listeners.disconnect
-    end
-    handler.getstats = function( )
-        return readtraffic, sendtraffic
-    end
-    handler.ssl = function( )
-        return ssl
-    end
-    handler.sslctx = function ( )
-        return sslctx
-    end
-    handler.send = function( _, data, i, j )
-        return send( socket, data, i, j )
-    end
-    handler.receive = function( pattern, prefix )
-        return receive( socket, pattern, prefix )
-    end
-    handler.shutdown = function( pattern )
-        return shutdown( socket, pattern )
-    end
-    handler.close = function( forced )
-        if not handler then return true; end
-        _readlistlen = removesocket( _readlist, socket, _readlistlen )
-        _readtimes[ handler ] = nil
-        if bufferqueuelen ~= 0 then
-            if not ( forced or fatalerror ) then
-                handler.sendbuffer( )
-                if bufferqueuelen ~= 0 then   -- try again...
-                    if handler then
-                        handler.write = nil    -- ... but no further writing allowed
-                    end
-                    toclose = true
-                    return false
-                end
-            else
-                send( socket, table_concat( bufferqueue, "", 1, bufferqueuelen ), 1, bufferlen )    -- forced send
-            end
-        end
-        if socket then
-          _ = shutdown and shutdown( socket )
-          socket:close( )
-          _sendlistlen = removesocket( _sendlist, socket, _sendlistlen )
-          _socketlist[ socket ] = nil
-          socket = nil
-        else
-          out_put "server.lua: socket already closed"
-        end
-        if handler then
-            _writetimes[ handler ] = nil
-            _closelist[ handler ] = nil
-            handler = nil
-        end
-	if server then
-		server.remove( )
-	end
-        out_put "server.lua: closed client handler and removed socket from list"
-        return true
-    end
-    handler.ip = function( )
-        return ip
-    end
-    handler.serverport = function( )
-        return serverport
-    end
-    handler.clientport = function( )
-        return clientport
-    end
-    local write = function( data )
-        bufferlen = bufferlen + string_len( data )
-        if bufferlen > maxsendlen then
-            _closelist[ handler ] = "send buffer exceeded"   -- cannot close the client at the moment, have to wait to the end of the cycle
-            handler.write = idfalse    -- dont write anymore
-            return false
-        elseif socket and not _sendlist[ socket ] then
-            _sendlistlen = addsocket(_sendlist, socket, _sendlistlen)
-        end
-        bufferqueuelen = bufferqueuelen + 1
-        bufferqueue[ bufferqueuelen ] = data
-        if handler then
-        	_writetimes[ handler ] = _writetimes[ handler ] or _currenttime
-        end
-        return true
-    end
-    handler.write = write
-    handler.bufferqueue = function( )
-        return bufferqueue
-    end
-    handler.socket = function( )
-        return socket
-    end
-    handler.pattern = function( new )
-        pattern = new or pattern
-        return pattern
-    end
-    handler.setsend = function ( newsend )
-        send = newsend or send
-        return send
-    end
-    handler.bufferlen = function( readlen, sendlen )
-        maxsendlen = sendlen or maxsendlen
-        maxreadlen = readlen or maxreadlen
-        return bufferlen, maxreadlen, maxsendlen
-    end
-    handler.lock = function( switch )
-        if switch == true then
-            handler.write = idfalse
-            local tmp = _sendlistlen
-            _sendlistlen = removesocket( _sendlist, socket, _sendlistlen )
-            _writetimes[ handler ] = nil
-            if _sendlistlen ~= tmp then
-                nosend = true
-            end
-            tmp = _readlistlen
-            _readlistlen = removesocket( _readlist, socket, _readlistlen )
-            _readtimes[ handler ] = nil
-            if _readlistlen ~= tmp then
-                noread = true
-            end
-        elseif switch == false then
-            handler.write = write
-            if noread then
-                noread = false
-                _readlistlen = addsocket(_readlist, socket, _readlistlen)
-                _readtimes[ handler ] = _currenttime
-            end
-            if nosend then
-                nosend = false
-                write( "" )
-            end
-        end
-        return noread, nosend
-    end
-    local _readbuffer = function( )    -- this function reads data
-        local buffer, err, part = receive( socket, pattern )    -- receive buffer with "pattern"
-        if not err or (err == "wantread" or err == "timeout") or string_len(part) > 0 then    -- received something
-            local buffer = buffer or part or ""
-            local len = string_len( buffer )
-            if len > maxreadlen then
-                disconnect( handler, "receive buffer exceeded" )
-                handler.close( true )
-                return false
-            end
-            local count = len * STAT_UNIT
-            readtraffic = readtraffic + count
-            _readtraffic = _readtraffic + count
-            _readtimes[ handler ] = _currenttime
-            --out_put( "server.lua: read data '", buffer:gsub("[^%w%p ]", "."), "', error: ", err )
-            return dispatch( handler, buffer, err )
-        else    -- connections was closed or fatal error
-            out_put( "server.lua: client ", tostring(ip), ":", tostring(clientport), " read error: ", tostring(err) )
-            fatalerror = true
-            disconnect( handler, err )
-	    _ = handler and handler.close( )
-            return false
-        end
-    end
-    local _sendbuffer = function( )    -- this function sends data
-    	local succ, err, byte, buffer, count;
-    	local count;
-    	if socket then
-            buffer = table_concat( bufferqueue, "", 1, bufferqueuelen )
-            succ, err, byte = send( socket, buffer, 1, bufferlen )
-            count = ( succ or byte or 0 ) * STAT_UNIT
-            sendtraffic = sendtraffic + count
-            _sendtraffic = _sendtraffic + count
-            _ = _cleanqueue and clean( bufferqueue )
-            --out_put( "server.lua: sended '", buffer, "', bytes: ", tostring(succ), ", error: ", tostring(err), ", part: ", tostring(byte), ", to: ", tostring(ip), ":", tostring(clientport) )
-        else
-            succ, err, count = false, "closed", 0;
-        end
-        if succ then    -- sending succesful
-            bufferqueuelen = 0
-            bufferlen = 0
-            _sendlistlen = removesocket( _sendlist, socket, _sendlistlen )    -- delete socket from writelist
-            _ = needtls and handler.starttls(true)
-            _writetimes[ handler ] = nil
-	    _ = toclose and handler.close( )
-            return true
-        elseif byte and ( err == "timeout" or err == "wantwrite" ) then    -- want write
-            buffer = string_sub( buffer, byte + 1, bufferlen )    -- new buffer
-            bufferqueue[ 1 ] = buffer    -- insert new buffer in queue
-            bufferqueuelen = 1
-            bufferlen = bufferlen - byte
-            _writetimes[ handler ] = _currenttime
-            return true
-        else    -- connection was closed during sending or fatal error
-            out_put( "server.lua: client ", tostring(ip), ":", tostring(clientport), " write error: ", tostring(err) )
-            fatalerror = true
-            disconnect( handler, err )
-            _ = handler and handler.close( )
-            return false
-        end
-    end
-
-    -- Set the sslctx
-    local handshake;
-    function handler.set_sslctx(new_sslctx)
-        ssl = true
-        sslctx = new_sslctx;
-        local wrote
-        local read
-        handshake = coroutine_wrap( function( client )    -- create handshake coroutine
-                local err
-                for i = 1, _maxsslhandshake do
-                    _sendlistlen = ( wrote and removesocket( _sendlist, client, _sendlistlen ) ) or _sendlistlen
-                    _readlistlen = ( read and removesocket( _readlist, client, _readlistlen ) ) or _readlistlen
-                    read, wrote = nil, nil
-                    _, err = client:dohandshake( )
-                    if not err then
-                        out_put( "server.lua: ssl handshake done" )
-                        handler.readbuffer = _readbuffer    -- when handshake is done, replace the handshake function with regular functions
-                        handler.sendbuffer = _sendbuffer
-                        _ = status and status( handler, "ssl-handshake-complete" )
-                        _readlistlen = addsocket(_readlist, client, _readlistlen)
-                        return true
-                    else
-                       out_put( "server.lua: error during ssl handshake: ", tostring(err) )
-                       if err == "wantwrite" and not wrote then
-                           _sendlistlen = addsocket(_sendlist, client, _sendlistlen)
-                           wrote = true
-                       elseif err == "wantread" and not read then
-                           _readlistlen = addsocket(_readlist, client, _readlistlen)
-                           read = true
-                       else
-                           break;
-                       end
-                       --coroutine_yield( handler, nil, err )    -- handshake not finished
-                       coroutine_yield( )
-                    end
-                end
-                disconnect( handler, "ssl handshake failed" )
-                _ = handler and handler.close( true )    -- forced disconnect
-                return false    -- handshake failed
-            end
-        )
-    end
-    if sslctx then    -- ssl?
-    	handler.set_sslctx(sslctx);
-        if startssl then    -- ssl now?
-            --out_put("server.lua: ", "starting ssl handshake")
-	    local err
-            socket, err = ssl_wrap( socket, sslctx )    -- wrap socket
-            if err then
-                out_put( "server.lua: ssl error: ", tostring(err) )
-                --mem_free( )
-                return nil, nil, err    -- fatal error
-            end
-            socket:settimeout( 0 )
-            handler.readbuffer = handshake
-            handler.sendbuffer = handshake
-            handshake( socket ) -- do handshake
-            if not socket then
-                return nil, nil, "ssl handshake failed";
-            end
-        else
-            -- We're not automatically doing SSL, so we're not secure (yet)
-            ssl = false
-            handler.starttls = function( now )
-                if not now then
-                    --out_put "server.lua: we need to do tls, but delaying until later"
-                    needtls = true
-                    return
-                end
-                --out_put( "server.lua: attempting to start tls on " .. tostring( socket ) )
-                local oldsocket, err = socket
-                socket, err = ssl_wrap( socket, sslctx )    -- wrap socket
-                --out_put( "server.lua: sslwrapped socket is " .. tostring( socket ) )
-                if err then
-                    out_put( "server.lua: error while starting tls on client: ", tostring(err) )
-                    return nil, err    -- fatal error
-                end
-
-                socket:settimeout( 0 )
-
-                -- add the new socket to our system
-
-                send = socket.send
-                receive = socket.receive
-                shutdown = id
-
-                _socketlist[ socket ] = handler
-                _readlistlen = addsocket(_readlist, socket, _readlistlen)
-
-                -- remove traces of the old socket
-
-                _readlistlen = removesocket( _readlist, oldsocket, _readlistlen )
-                _sendlistlen = removesocket( _sendlist, oldsocket, _sendlistlen )
-                _socketlist[ oldsocket ] = nil
-
-                handler.starttls = nil
-                needtls = nil
-                
-                -- Secure now
-                ssl = true
-
-                handler.readbuffer = handshake
-                handler.sendbuffer = handshake
-                handshake( socket )    -- do handshake
-            end
-            handler.readbuffer = _readbuffer
-            handler.sendbuffer = _sendbuffer
-        end
-    else    -- normal connection
-        ssl = false
-        handler.readbuffer = _readbuffer
-        handler.sendbuffer = _sendbuffer
-    end
-
-    send = socket.send
-    receive = socket.receive
-    shutdown = ( ssl and id ) or socket.shutdown
-
-    _socketlist[ socket ] = handler
-    _readlistlen = addsocket(_readlist, socket, _readlistlen)
-
-    return handler, socket
-end
-
-id = function( )
-end
-
-idfalse = function( )
-    return false
-end
-
-addsocket = function( list, socket, len )
-    if not list[ socket ] then
-      len = len + 1
-      list[ len ] = socket
-      list[ socket ] = len
-    end
-    return len;
-end
-
-removesocket = function( list, socket, len )    -- this function removes sockets from a list ( copied from copas )
-    local pos = list[ socket ]
-    if pos then
-        list[ socket ] = nil
-        local last = list[ len ]
-        list[ len ] = nil
-        if last ~= socket then
-            list[ last ] = pos
-            list[ pos ] = last
-        end
-        return len - 1
-    end
-    return len
-end
-
-closesocket = function( socket )
-    _sendlistlen = removesocket( _sendlist, socket, _sendlistlen )
-    _readlistlen = removesocket( _readlist, socket, _readlistlen )
-    _socketlist[ socket ] = nil
-    socket:close( )
-    --mem_free( )
-end
-
-----------------------------------// PUBLIC //--
-
-addserver = function( listeners, port, addr, pattern, sslctx, maxconnections, startssl )    -- this function provides a way for other scripts to reg a server
-    local err
-    --out_put("server.lua: autossl on ", port, " is ", startssl)
-    if type( listeners ) ~= "table" then
-        err = "invalid listener table"
-    end
-    if type( port ) ~= "number" or not ( port >= 0 and port <= 65535 ) then
-        err = "invalid port"
-    elseif _server[ port ] then
-        err =  "listeners on port '" .. port .. "' already exist"
-    elseif sslctx and not luasec then
-        err = "luasec not found"
-    end
-    if err then
-        out_error( "server.lua, port ", port, ": ", err )
-        return nil, err
-    end
-    addr = addr or "*"
-    local server, err = socket_bind( addr, port )
-    if err then
-        out_error( "server.lua, port ", port, ": ", err )
-        return nil, err
-    end
-    local handler, err = wrapserver( listeners, server, addr, port, pattern, sslctx, maxconnections, startssl )    -- wrap new server socket
-    if not handler then
-        server:close( )
-        return nil, err
-    end
-    server:settimeout( 0 )
-    _readlistlen = addsocket(_readlist, server, _readlistlen)
-    _server[ port ] = handler
-    _socketlist[ server ] = handler
-    out_put( "server.lua: new server listener on '", addr, ":", port, "'" )
-    return handler
-end
-
-getserver = function ( port )
-	return _server[ port ];
-end
-
-removeserver = function( port )
-    local handler = _server[ port ]
-    if not handler then
-        return nil, "no server found on port '" .. tostring( port ) .. "'"
-    end
-    handler.close( )
-    _server[ port ] = nil
-    return true
-end
-
-closeall = function( )
-    for _, handler in pairs( _socketlist ) do
-        handler.close( )
-        _socketlist[ _ ] = nil
-    end
-    _readlistlen = 0
-    _sendlistlen = 0
-    _timerlistlen = 0
-    _server = { }
-    _readlist = { }
-    _sendlist = { }
-    _timerlist = { }
-    _socketlist = { }
-    --mem_free( )
-end
-
-getsettings = function( )
-    return  _selecttimeout, _sleeptime, _maxsendlen, _maxreadlen, _checkinterval, _sendtimeout, _readtimeout, _cleanqueue, _maxclientsperserver, _maxsslhandshake
-end
-
-changesettings = function( new )
-    if type( new ) ~= "table" then
-        return nil, "invalid settings table"
-    end
-    _selecttimeout = tonumber( new.timeout ) or _selecttimeout
-    _sleeptime = tonumber( new.sleeptime ) or _sleeptime
-    _maxsendlen = tonumber( new.maxsendlen ) or _maxsendlen
-    _maxreadlen = tonumber( new.maxreadlen ) or _maxreadlen
-    _checkinterval = tonumber( new.checkinterval ) or _checkinterval
-    _sendtimeout = tonumber( new.sendtimeout ) or _sendtimeout
-    _readtimeout = tonumber( new.readtimeout ) or _readtimeout
-    _cleanqueue = new.cleanqueue
-    _maxclientsperserver = new._maxclientsperserver or _maxclientsperserver
-    _maxsslhandshake = new._maxsslhandshake or _maxsslhandshake
-    return true
-end
-
-addtimer = function( listener )
-    if type( listener ) ~= "function" then
-        return nil, "invalid listener function"
-    end
-    _timerlistlen = _timerlistlen + 1
-    _timerlist[ _timerlistlen ] = listener
-    return true
-end
-
-stats = function( )
-    return _readtraffic, _sendtraffic, _readlistlen, _sendlistlen, _timerlistlen
-end
-
-local dontstop = true; -- thinking about tomorrow, ...
-
-setquitting = function (quit)
-	dontstop = not quit;
-	return;
-end
-
-loop = function( )    -- this is the main loop of the program
-    while dontstop do
-        local read, write, err = socket_select( _readlist, _sendlist, _selecttimeout )
-        for i, socket in ipairs( write ) do    -- send data waiting in writequeues
-            local handler = _socketlist[ socket ]
-            if handler then
-                handler.sendbuffer( )
-            else
-                closesocket( socket )
-                out_put "server.lua: found no handler and closed socket (writelist)"    -- this should not happen
-            end
-        end
-        for i, socket in ipairs( read ) do    -- receive data
-            local handler = _socketlist[ socket ]
-            if handler then
-                handler.readbuffer( )
-            else
-                closesocket( socket )
-                out_put "server.lua: found no handler and closed socket (readlist)"    -- this can happen
-            end
-        end
-        for handler, err in pairs( _closelist ) do
-            handler.disconnect( )( handler, err )
-            handler.close( true )    -- forced disconnect
-        end
-        clean( _closelist )
-        _currenttime = os_time( )
-        if os_difftime( _currenttime - _timer ) >= 1 then
-            for i = 1, _timerlistlen do
-                _timerlist[ i ]( _currenttime )    -- fire timers
-            end
-            _timer = _currenttime
-        end
-        socket_sleep( _sleeptime )    -- wait some time
-        --collectgarbage( )
-    end
-    return "quitting"
-end
-
---// EXPERIMENTAL //--
-
-local wrapclient = function( socket, ip, serverport, listeners, pattern, sslctx, startssl )
-    local handler = wrapconnection( nil, listeners, socket, ip, serverport, "clientport", pattern, sslctx, startssl )
-    _socketlist[ socket ] = handler
-    _sendlistlen = addsocket(_sendlist, socket, _sendlistlen)
-    return handler, socket
-end
-
-local addclient = function( address, port, listeners, pattern, sslctx, startssl )
-    local client, err = luasocket.tcp( )
-    if err then
-        return nil, err
-    end
-    client:settimeout( 0 )
-    _, err = client:connect( address, port )
-    if err then    -- try again
-        local handler = wrapclient( client, address, port, listeners )
-    else
-        wrapconnection( nil, listeners, client, address, port, "clientport", pattern, sslctx, startssl )
-    end
-end
-
---// EXPERIMENTAL //--
-
-----------------------------------// BEGIN //--
-
-use "setmetatable" ( _socketlist, { __mode = "k" } )
-use "setmetatable" ( _readtimes, { __mode = "k" } )
-use "setmetatable" ( _writetimes, { __mode = "k" } )
-
-_timer = os_time( )
-_starttime = os_time( )
-
-addtimer( function( )
-        local difftime = os_difftime( _currenttime - _starttime )
-        if difftime > _checkinterval then
-            _starttime = _currenttime
-            for handler, timestamp in pairs( _writetimes ) do
-                if os_difftime( _currenttime - timestamp ) > _sendtimeout then
-                    --_writetimes[ handler ] = nil
-                    handler.disconnect( )( handler, "send timeout" )
-                    handler.close( true )    -- forced disconnect
-                end
-            end
-            for handler, timestamp in pairs( _readtimes ) do
-                if os_difftime( _currenttime - timestamp ) > _readtimeout then
-                    --_readtimes[ handler ] = nil
-                    handler.disconnect( )( handler, "read timeout" )
-                    handler.close( )    -- forced disconnect?
-                end
-            end
-        end
-    end
-)
-
-----------------------------------// PUBLIC INTERFACE //--
-
-return {
-
-    addclient = addclient,
-    wrapclient = wrapclient,
-    
-    loop = loop,
-    stats = stats,
-    closeall = closeall,
-    addtimer = addtimer,
-    addserver = addserver,
-    getserver = getserver,
-    getsettings = getsettings,
-    setquitting = setquitting,
-    removeserver = removeserver,
-    changesettings = changesettings,
-}
+-- Prosody IM
+-- Copyright (C) 2008-2010 Matthew Wild
+-- Copyright (C) 2008-2010 Waqas Hussain
+-- 
+-- This project is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
+--
+
+local use_luaevent = require "core.configmanager".get("*", "core", "use_libevent");
+
+if use_luaevent then
+	use_luaevent = pcall(require, "luaevent.core");
+	if not use_luaevent then
+		log("error", "libevent not found, falling back to select()");
+	end
+end
+
+local server;
+
+if use_luaevent then
+	server = require "net.server_event";
+	-- util.timer requires "net.server", so instead of having
+	-- Lua look for, and load us again (causing a loop) - set this here
+	-- (usually it isn't set until we return, look down there...)
+	package.loaded["net.server"] = server;
+	
+	-- Backwards compatibility for timers, addtimer
+	-- called a function roughly every second
+	local add_task = require "util.timer".add_task;
+	function server.addtimer(f)
+		return add_task(1, function (...) f(...); return 1; end);
+	end
+	
+	-- Overwrite signal.signal() because we need to ask libevent to
+	-- handle them instead
+	local ok, signal = pcall(require, "util.signal");
+	if ok and signal then
+		local _signal_signal = signal.signal;
+		function signal.signal(signal_id, handler)
+			if type(signal_id) == "string" then
+				signal_id = signal[signal_id:upper()];
+			end
+			if type(signal_id) ~= "number" then
+				return false, "invalid-signal";
+			end
+			return server.hook_signal(signal_id, handler);
+		end
+	end
+else
+	server = require "net.server_select";
+	package.loaded["net.server"] = server;
+end
+
+-- require "net.server" shall now forever return this,
+-- ie. server_select or server_event as chosen above.
+return server;
diff --git a/net/server_event.lua b/net/server_event.lua
new file mode 100644
index 00000000..5e62f3fd
--- /dev/null
+++ b/net/server_event.lua
@@ -0,0 +1,845 @@
+--[[
+
+
+			server.lua based on lua/libevent by blastbeat
+
+			notes:
+			-- when using luaevent, never register 2 or more EV_READ at one socket, same for EV_WRITE
+			-- you cant even register a new EV_READ/EV_WRITE callback inside another one
+			-- never call eventcallback:close( ) from inside eventcallback
+			-- to do some of the above, use timeout events or something what will called from outside
+			-- dont let garbagecollect eventcallbacks, as long they are running
+			-- when using luasec, there are 4 cases of timeout errors: wantread or wantwrite during reading or writing
+
+--]]
+
+local SCRIPT_NAME           = "server_event.lua"
+local SCRIPT_VERSION        = "0.05"
+local SCRIPT_AUTHOR         = "blastbeat"
+local LAST_MODIFIED         = "2009/11/20"
+
+local cfg = {
+	MAX_CONNECTIONS       = 100000,  -- max per server connections (use "ulimit -n" on *nix)
+	MAX_HANDSHAKE_ATTEMPS = 1000,  -- attempts to finish ssl handshake
+	HANDSHAKE_TIMEOUT     = 60,  -- timout in seconds per handshake attempt
+	MAX_READ_LENGTH       = 1024 * 1024 * 1024 * 1024,  -- max bytes allowed to read from sockets
+	MAX_SEND_LENGTH       = 1024 * 1024 * 1024 * 1024,  -- max bytes size of write buffer (for writing on sockets)
+	ACCEPT_DELAY          = 10,  -- seconds to wait until the next attempt of a full server to accept
+	READ_TIMEOUT          = 60 * 60 * 6,  -- timeout in seconds for read data from socket
+	WRITE_TIMEOUT         = 180,  -- timeout in seconds for write data on socket
+	CONNECT_TIMEOUT       = 20,  -- timeout in seconds for connection attempts
+	CLEAR_DELAY           = 5,  -- seconds to wait for clearing interface list (and calling ondisconnect listeners)
+	DEBUG                 = true,  -- show debug messages
+}
+
+local function use(x) return rawget(_G, x); end
+local print = use "print"
+local pcall = use "pcall"
+local ipairs = use "ipairs"
+local string = use "string"
+local select = use "select"
+local require = use "require"
+local tostring = use "tostring"
+local coroutine = use "coroutine"
+local setmetatable = use "setmetatable"
+
+local ssl = use "ssl"
+local socket = use "socket" or require "socket"
+
+local log = require ("util.logger").init("socket")
+
+local function debug(...)
+	return log("debug", ("%s "):rep(select('#', ...)), ...)
+end
+local vdebug = debug;
+
+local bitor = ( function( ) -- thx Rici Lake
+	local hasbit = function( x, p )
+		return x % ( p + p ) >= p
+	end
+	return function( x, y )
+		local p = 1
+		local z = 0
+		local limit = x > y and x or y
+		while p <= limit do
+			if hasbit( x, p ) or hasbit( y, p ) then
+				z = z + p
+			end
+			p = p + p
+		end
+		return z
+	end
+end )( )
+
+local event = require "luaevent.core"
+local base = event.new( )
+local EV_READ = event.EV_READ
+local EV_WRITE = event.EV_WRITE
+local EV_TIMEOUT = event.EV_TIMEOUT
+local EV_SIGNAL = event.EV_SIGNAL
+
+local EV_READWRITE = bitor( EV_READ, EV_WRITE )
+
+local interfacelist = ( function( )  -- holds the interfaces for sockets
+	local array = { }
+	local len = 0
+	return function( method, arg )
+		if "add" == method then
+			len = len + 1
+			array[ len ] = arg
+			arg:_position( len )
+			return len
+		elseif "delete" == method then
+			if len <= 0 then
+				return nil, "array is already empty"
+			end
+			local position = arg:_position()  -- get position in array
+			if position ~= len then
+				local interface = array[ len ]  -- get last interface
+				array[ position ] = interface  -- copy it into free position
+				array[ len ] = nil  -- free last position
+				interface:_position( position )  -- set new position in array
+			else  -- free last position
+				array[ len ] = nil
+			end
+			len = len - 1
+			return len
+		else
+			return array
+		end
+	end
+end )( )
+
+-- Client interface methods
+local interface_mt
+do
+	interface_mt = {}; interface_mt.__index = interface_mt;
+	
+	local addevent = base.addevent
+	local coroutine_wrap, coroutine_yield = coroutine.wrap,coroutine.yield
+	local string_len = string.len
+	
+	-- Private methods
+	function interface_mt:_position(new_position)
+			self.position = new_position or self.position
+			return self.position;
+	end
+	function interface_mt:_close() -- regs event to start self:_destroy()
+			local callback = function( )
+				self:_destroy();
+				self.eventclose = nil
+				return -1
+			end
+			self.eventclose = addevent( base, nil, EV_TIMEOUT, callback, 0 )
+			return true
+	end
+	
+	function interface_mt:_start_connection(plainssl) -- should be called from addclient
+			local callback = function( event )
+				if EV_TIMEOUT == event then  -- timout during connection
+					self.fatalerror = "connection timeout"
+					self:ontimeout()  -- call timeout listener
+					self:_close()
+					debug( "new connection failed. id:", self.id, "error:", self.fatalerror )
+				else
+					if plainssl and ssl then  -- start ssl session
+						self:starttls()
+					else  -- normal connection
+						self:_start_session( self.listener.onconnect )
+					end
+					debug( "new connection established. id:", self.id )
+				end
+				self.eventconnect = nil
+				return -1
+			end
+			self.eventconnect = addevent( base, self.conn, EV_WRITE, callback, cfg.CONNECT_TIMEOUT )
+			return true
+	end
+	function interface_mt:_start_session(onconnect) -- new session, for example after startssl
+		if self.type == "client" then
+			local callback = function( )
+				self:_lock( false,  false, false )
+				--vdebug( "start listening on client socket with id:", self.id )
+				self.eventread = addevent( base, self.conn, EV_READ, self.readcallback, cfg.READ_TIMEOUT )  -- register callback
+				self:onincoming()
+				self.eventsession = nil
+				return -1
+			end
+			self.eventsession = addevent( base, nil, EV_TIMEOUT, callback, 0 )
+		else
+			self:_lock( false )
+			--vdebug( "start listening on server socket with id:", self.id )
+			self.eventread = addevent( base, self.conn, EV_READ, self.readcallback )  -- register callback
+		end
+		return true
+	end
+	function interface_mt:_start_ssl(arg) -- old socket will be destroyed, therefore we have to close read/write events first
+			--vdebug( "starting ssl session with client id:", self.id )
+			local _
+			_ = self.eventread and self.eventread:close( )  -- close events; this must be called outside of the event callbacks!
+			_ = self.eventwrite and self.eventwrite:close( )
+			self.eventread, self.eventwrite = nil, nil
+			local err
+			self.conn, err = ssl.wrap( self.conn, self._sslctx )
+			if err then
+				self.fatalerror = err
+				self.conn = nil  -- cannot be used anymore
+				if "onconnect" == arg then
+					self.ondisconnect = nil  -- dont call this when client isnt really connected
+				end
+				self:_close()
+				debug( "fatal error while ssl wrapping:", err )
+				return false
+			end
+			self.conn:settimeout( 0 )  -- set non blocking
+			local handshakecallback = coroutine_wrap(
+				function( event )
+					local _, err
+					local attempt = 0
+					local maxattempt = cfg.MAX_HANDSHAKE_ATTEMPS
+					while attempt < maxattempt do  -- no endless loop
+						attempt = attempt + 1
+						debug( "ssl handshake of client with id:"..tostring(self).."attemp:"..attempt )
+						if attempt > maxattempt then
+							self.fatalerror = "max handshake attemps exceeded"
+						elseif EV_TIMEOUT == event then
+							self.fatalerror = "timeout during handshake"
+						else
+							_, err = self.conn:dohandshake( )
+							if not err then
+								self:_lock( false, false, false )  -- unlock the interface; sending, closing etc allowed
+								self.send = self.conn.send  -- caching table lookups with new client object
+								self.receive = self.conn.receive
+								local onsomething
+								if "onconnect" == arg then  -- trigger listener
+									onsomething = self.onconnect
+								else
+									onsomething = self.onsslconnection
+								end
+								self:_start_session( onsomething )
+								debug( "ssl handshake done" )
+								self:onstatus("ssl-handshake-complete");
+								self.eventhandshake = nil
+								return -1
+							end
+							debug( "error during ssl handshake:", err )
+							if err == "wantwrite" then
+								event = EV_WRITE
+							elseif err == "wantread" then
+								event = EV_READ
+							else
+								self.fatalerror = err
+							end
+						end
+						if self.fatalerror then
+							if "onconnect" == arg then
+								self.ondisconnect = nil  -- dont call this when client isnt really connected
+							end
+							self:_close()
+							debug( "handshake failed because:", self.fatalerror )
+							self.eventhandshake = nil
+							return -1
+						end
+						event = coroutine_yield( event, cfg.HANDSHAKE_TIMEOUT )  -- yield this monster...
+					end
+				end
+			)
+			debug "starting handshake..."
+			self:_lock( false, true, true )  -- unlock read/write events, but keep interface locked
+			self.eventhandshake = addevent( base, self.conn, EV_READWRITE, handshakecallback, cfg.HANDSHAKE_TIMEOUT )
+			return true
+	end
+	function interface_mt:_destroy()  -- close this interface + events and call last listener
+			debug( "closing client with id:", self.id )
+			self:_lock( true, true, true )  -- first of all, lock the interface to avoid further actions
+			local _
+			_ = self.eventread and self.eventread:close( )  -- close events; this must be called outside of the event callbacks!
+			if self.type == "client" then
+				_ = self.eventwrite and self.eventwrite:close( )
+				_ = self.eventhandshake and self.eventhandshake:close( )
+				_ = self.eventstarthandshake and self.eventstarthandshake:close( )
+				_ = self.eventconnect and self.eventconnect:close( )
+				_ = self.eventsession and self.eventsession:close( )
+				_ = self.eventwritetimeout and self.eventwritetimeout:close( )
+				_ = self.eventreadtimeout and self.eventreadtimeout:close( )
+				_ = self.ondisconnect and self:ondisconnect( self.fatalerror ~= "client to close" and self.fatalerror)  -- call ondisconnect listener (wont be the case if handshake failed on connect)
+				_ = self.conn and self.conn:close( ) -- close connection, must also be called outside of any socket registered events!
+				_ = self._server and self._server:counter(-1);
+				self.eventread, self.eventwrite = nil, nil
+				self.eventstarthandshake, self.eventhandshake, self.eventclose = nil, nil, nil
+				self.readcallback, self.writecallback = nil, nil
+			else
+				self.conn:close( )
+				self.eventread, self.eventclose = nil, nil
+				self.interface, self.readcallback = nil, nil
+			end
+			interfacelist( "delete", self )
+			return true
+	end
+	
+	function interface_mt:_lock(nointerface, noreading, nowriting)  -- lock or unlock this interface or events
+			self.nointerface, self.noreading, self.nowriting = nointerface, noreading, nowriting
+			return nointerface, noreading, nowriting
+	end
+	
+	function interface_mt:lock_read(switch)
+		return self:_lock(self.nointerface, switch, self.nowriting);
+	end
+
+	function interface_mt:counter(c)
+		if c then
+			self._connections = self._connections + c
+		end
+		return self._connections
+	end
+	
+	-- Public methods
+	function interface_mt:write(data)
+		if self.nowriting then return nil, "locked" end
+		--vdebug( "try to send data to client, id/data:", self.id, data )
+		data = tostring( data )
+		local len = string_len( data )
+		local total = len + self.writebufferlen
+		if total > cfg.MAX_SEND_LENGTH then  -- check buffer length
+			local err = "send buffer exceeded"
+			debug( "error:", err )  -- to much, check your app
+			return nil, err
+		end
+		self.writebuffer = self.writebuffer .. data -- new buffer
+		self.writebufferlen = total
+		if not self.eventwrite then  -- register new write event
+			--vdebug( "register new write event" )
+			self.eventwrite = addevent( base, self.conn, EV_WRITE, self.writecallback, cfg.WRITE_TIMEOUT )
+		end
+		return true
+	end
+	function interface_mt:close(now)
+		if self.nointerface then return nil, "locked"; end
+		debug( "try to close client connection with id:", self.id )
+		if self.type == "client" then
+			self.fatalerror = "client to close"
+			if ( not self.eventwrite ) or now then  -- try to close immediately
+				self:_lock( true, true, true )
+				self:_close()
+				return true
+			else  -- wait for incomplete write request
+				self:_lock( true, true, false )
+				debug "closing delayed until writebuffer is empty"
+				return nil, "writebuffer not empty, waiting"
+			end
+		else
+			debug( "try to close server with id:", self.id, "args:", now )
+			self.fatalerror = "server to close"
+			self:_lock( true )
+			local count = 0
+			for _, item in ipairs( interfacelist( ) ) do
+				if ( item.type ~= "server" ) and ( item._server == self ) then  -- client/server match
+					if item:close( now ) then  -- writebuffer was empty
+						count = count + 1
+					end
+				end
+			end
+			local timeout = 0  -- dont wait for unfinished writebuffers of clients...
+			if not now then
+				timeout = cfg.WRITE_TIMEOUT  -- ...or wait for it
+			end
+			self:_close( timeout )  -- add new event to remove the server interface
+			debug( "seconds remained until server is closed:", timeout )
+			return count  -- returns finished clients with empty writebuffer
+		end
+	end
+	
+	function interface_mt:server()
+		return self._server or self;
+	end
+	
+	function interface_mt:port()
+		return self._port
+	end
+	
+	function interface_mt:serverport()
+		return self._serverport
+	end
+	
+	function interface_mt:ip()
+		return self._ip
+	end
+	
+	function interface_mt:ssl()
+		return self._usingssl
+	end
+
+	function interface_mt:type()
+		return self._type or "client"
+	end
+	
+	function interface_mt:connections()
+		return self._connections
+	end
+	
+	function interface_mt:address()
+		return self.addr
+	end
+	
+	function interface_mt:set_sslctx(sslctx)
+		self._sslctx = sslctx;
+		if sslctx then
+			self.starttls = nil; -- use starttls() of interface_mt
+		else
+			self.starttls = false; -- prevent starttls()
+		end
+	end
+	
+	function interface_mt:set_send(new_send)
+		-- No-op, we always use the underlying connection's send
+	end
+	
+	function interface_mt:starttls(sslctx)
+		debug( "try to start ssl at client id:", self.id )
+		local err
+		self._sslctx = sslctx;
+		if self._usingssl then  -- startssl was already called
+			err = "ssl already active"
+		end
+		if err then
+			debug( "error:", err )
+			return nil, err
+		end
+		self._usingssl = true
+		self.startsslcallback = function( )  -- we have to start the handshake outside of a read/write event
+			self.startsslcallback = nil
+			self:_start_ssl();
+			self.eventstarthandshake = nil
+			return -1
+		end
+		if not self.eventwrite then
+			self:_lock( true, true, true )  -- lock the interface, to not disturb the handshake
+			self.eventstarthandshake = addevent( base, nil, EV_TIMEOUT, self.startsslcallback, 0 )  -- add event to start handshake
+		else  -- wait until writebuffer is empty
+			self:_lock( true, true, false )
+			debug "ssl session delayed until writebuffer is empty..."
+		end
+		self.starttls = false;
+		return true
+	end
+	
+	function interface_mt:setoption(option, value)
+		if self.conn.setoption then
+			return self.conn:setoption(option, value);
+		end
+		return false, "setoption not implemented";
+	end
+	
+	function interface_mt:setlistener(listener)
+		self.onconnect, self.ondisconnect, self.onincoming, self.ontimeout, self.onstatus
+			= listener.onconnect, listener.ondisconnect, listener.onincoming, listener.ontimeout, listener.onstatus;
+	end
+	
+	-- Stub handlers
+	function interface_mt:onconnect()
+	end
+	function interface_mt:onincoming()
+	end
+	function interface_mt:ondisconnect()
+	end
+	function interface_mt:ontimeout()
+	end
+	function interface_mt:onstatus()
+		debug("server.lua: Dummy onstatus()")
+	end
+end
+
+-- End of client interface methods
+
+local handleclient;
+do
+	local string_sub = string.sub  -- caching table lookups
+	local string_len = string.len
+	local addevent = base.addevent
+	local coroutine_wrap = coroutine.wrap
+	local socket_gettime = socket.gettime
+	local coroutine_yield = coroutine.yield
+	function handleclient( client, ip, port, server, pattern, listener, _, sslctx )  -- creates an client interface
+		--vdebug("creating client interfacce...")
+		local interface = {
+			type = "client";
+			conn = client;
+			currenttime = socket_gettime( );  -- safe the origin
+			writebuffer = "";  -- writebuffer
+			writebufferlen = 0;  -- length of writebuffer
+			send = client.send;  -- caching table lookups
+			receive = client.receive;
+			onconnect = listener.onconnect;  -- will be called when client disconnects
+			ondisconnect = listener.ondisconnect;  -- will be called when client disconnects
+			onincoming = listener.onincoming;  -- will be called when client sends data
+			ontimeout = listener.ontimeout; -- called when fatal socket timeout occurs
+			onstatus = listener.onstatus; -- called for status changes (e.g. of SSL/TLS)
+			eventread = false, eventwrite = false, eventclose = false,
+			eventhandshake = false, eventstarthandshake = false;  -- event handler
+			eventconnect = false, eventsession = false;  -- more event handler...
+			eventwritetimeout = false;  -- even more event handler...
+			eventreadtimeout = false;
+			fatalerror = false;  -- error message
+			writecallback = false;  -- will be called on write events
+			readcallback = false;  -- will be called on read events
+			nointerface = true;  -- lock/unlock parameter of this interface
+			noreading = false, nowriting = false;  -- locks of the read/writecallback
+			startsslcallback = false;  -- starting handshake callback
+			position = false;  -- position of client in interfacelist
+			
+			-- Properties
+			_ip = ip, _port = port, _server = server, _pattern = pattern,
+			_serverport = (server and server:port() or nil),
+			_sslctx = sslctx; -- parameters
+			_usingssl = false;  -- client is using ssl;
+		}
+		if not ssl then interface.starttls = false; end
+		interface.id = tostring(interface):match("%x+$");
+		interface.writecallback = function( event )  -- called on write events
+			--vdebug( "new client write event, id/ip/port:", interface, ip, port )
+			if interface.nowriting or ( interface.fatalerror and ( "client to close" ~= interface.fatalerror ) ) then  -- leave this event
+				--vdebug( "leaving this event because:", interface.nowriting or interface.fatalerror )
+				interface.eventwrite = false
+				return -1
+			end
+			if EV_TIMEOUT == event then  -- took too long to write some data to socket -> disconnect
+				interface.fatalerror = "timeout during writing"
+				debug( "writing failed:", interface.fatalerror )
+				interface:_close()
+				interface.eventwrite = false
+				return -1
+			else  -- can write :)
+				if interface._usingssl then  -- handle luasec
+					if interface.eventreadtimeout then  -- we have to read first
+						local ret = interface.readcallback( )  -- call readcallback
+						--vdebug( "tried to read in writecallback, result:", ret )
+					end
+					if interface.eventwritetimeout then  -- luasec only
+						interface.eventwritetimeout:close( )  -- first we have to close timeout event which where regged after a wantread error
+						interface.eventwritetimeout = false
+					end
+				end
+				local succ, err, byte = interface.conn:send( interface.writebuffer, 1, interface.writebufferlen )
+				--vdebug( "write data:", interface.writebuffer, "error:", err, "part:", byte )
+				if succ then  -- writing succesful
+					interface.writebuffer = ""
+					interface.writebufferlen = 0
+					if interface.fatalerror then
+						debug "closing client after writing"
+						interface:_close()  -- close interface if needed
+					elseif interface.startsslcallback then  -- start ssl connection if needed
+						debug "starting ssl handshake after writing"
+						interface.eventstarthandshake = addevent( base, nil, EV_TIMEOUT, interface.startsslcallback, 0 )
+					elseif interface.eventreadtimeout then
+						return EV_WRITE, EV_TIMEOUT
+					end
+					interface.eventwrite = nil
+					return -1
+				elseif byte and (err == "timeout" or err == "wantwrite") then  -- want write again
+					--vdebug( "writebuffer is not empty:", err )
+					interface.writebuffer = string_sub( interface.writebuffer, byte + 1, interface.writebufferlen )  -- new buffer
+					interface.writebufferlen = interface.writebufferlen - byte
+					if "wantread" == err then  -- happens only with luasec
+						local callback = function( )
+							interface:_close()
+							interface.eventwritetimeout = nil
+							return -1;
+						end
+						interface.eventwritetimeout = addevent( base, nil, EV_TIMEOUT, callback, cfg.WRITE_TIMEOUT )  -- reg a new timeout event
+						debug( "wantread during write attemp, reg it in readcallback but dont know what really happens next..." )
+						-- hopefully this works with luasec; its simply not possible to use 2 different write events on a socket in luaevent
+						return -1
+					end
+					return EV_WRITE, cfg.WRITE_TIMEOUT
+				else  -- connection was closed during writing or fatal error
+					interface.fatalerror = err or "fatal error"
+					debug( "connection failed in write event:", interface.fatalerror )
+					interface:_close()
+					interface.eventwrite = nil
+					return -1
+				end
+			end
+		end
+		
+		interface.readcallback = function( event )  -- called on read events
+			--vdebug( "new client read event, id/ip/port:", tostring(interface.id), tostring(ip), tostring(port) )
+			if interface.noreading or interface.fatalerror then  -- leave this event
+				--vdebug( "leaving this event because:", tostring(interface.noreading or interface.fatalerror) )
+				interface.eventread = nil
+				return -1
+			end
+			if EV_TIMEOUT == event then  -- took too long to get some data from client -> disconnect
+				interface.fatalerror = "timeout during receiving"
+				debug( "connection failed:", interface.fatalerror )
+				interface:_close()
+				interface.eventread = nil
+				return -1
+			else -- can read
+				if interface._usingssl then  -- handle luasec
+					if interface.eventwritetimeout then  -- ok, in the past writecallback was regged
+						local ret = interface.writecallback( )  -- call it
+						--vdebug( "tried to write in readcallback, result:", tostring(ret) )
+					end
+					if interface.eventreadtimeout then
+						interface.eventreadtimeout:close( )
+						interface.eventreadtimeout = nil
+					end
+				end
+				local buffer, err, part = interface.conn:receive( pattern )  -- receive buffer with "pattern"
+				--vdebug( "read data:", tostring(buffer), "error:", tostring(err), "part:", tostring(part) )
+				buffer = buffer or part or ""
+				local len = string_len( buffer )
+				if len > cfg.MAX_READ_LENGTH then  -- check buffer length
+					interface.fatalerror = "receive buffer exceeded"
+					debug( "fatal error:", interface.fatalerror )
+					interface:_close()
+					interface.eventread = nil
+					return -1
+				end
+				interface.onincoming( interface, buffer, err )  -- send new data to listener
+				if err and ( err ~= "timeout" and err ~= "wantread" ) then
+					if "wantwrite" == err then -- need to read on write event
+						if not interface.eventwrite then  -- register new write event if needed
+							interface.eventwrite = addevent( base, interface.conn, EV_WRITE, interface.writecallback, cfg.WRITE_TIMEOUT )
+						end
+						interface.eventreadtimeout = addevent( base, nil, EV_TIMEOUT,
+							function( )
+								interface:_close()
+							end, cfg.READ_TIMEOUT
+						)
+						debug( "wantwrite during read attemp, reg it in writecallback but dont know what really happens next..." )
+						-- to be honest i dont know what happens next, if it is allowed to first read, the write etc...
+					else  -- connection was closed or fatal error
+						interface.fatalerror = err
+						debug( "connection failed in read event:", interface.fatalerror )
+						interface:_close()
+						interface.eventread = nil
+						return -1
+					end
+				end
+				return EV_READ, cfg.READ_TIMEOUT
+			end
+		end
+
+		client:settimeout( 0 )  -- set non blocking
+		setmetatable(interface, interface_mt)
+		interfacelist( "add", interface )  -- add to interfacelist
+		return interface
+	end
+end
+
+local handleserver
+do
+	function handleserver( server, addr, port, pattern, listener, sslctx )  -- creates an server interface
+		debug "creating server interface..."
+		local interface = {
+			_connections = 0;
+			
+			conn = server;
+			onconnect = listener.onconnect;  -- will be called when new client connected
+			eventread = false;  -- read event handler
+			eventclose = false; -- close event handler
+			readcallback = false; -- read event callback
+			fatalerror = false; -- error message
+			nointerface = true;  -- lock/unlock parameter
+			
+			_ip = addr, _port = port, _pattern = pattern,
+			_sslctx = sslctx;
+		}
+		interface.id = tostring(interface):match("%x+$");
+		interface.readcallback = function( event )  -- server handler, called on incoming connections
+			--vdebug( "server can accept, id/addr/port:", interface, addr, port )
+			if interface.fatalerror then
+				--vdebug( "leaving this event because:", self.fatalerror )
+				interface.eventread = nil
+				return -1
+			end
+			local delay = cfg.ACCEPT_DELAY
+			if EV_TIMEOUT == event then
+				if interface._connections >= cfg.MAX_CONNECTIONS then  -- check connection count
+					debug( "to many connections, seconds to wait for next accept:", delay )
+					return EV_TIMEOUT, delay  -- timeout...
+				else
+					return EV_READ  -- accept again
+				end
+			end
+			--vdebug("max connection check ok, accepting...")
+			local client, err = server:accept()    -- try to accept; TODO: check err
+			while client do
+				if interface._connections >= cfg.MAX_CONNECTIONS then
+					client:close( )  -- refuse connection
+					debug( "maximal connections reached, refuse client connection; accept delay:", delay )
+					return EV_TIMEOUT, delay  -- delay for next accept attemp
+				end
+				local client_ip, client_port = client:getpeername( )
+				interface._connections = interface._connections + 1  -- increase connection count
+				local clientinterface = handleclient( client, client_ip, client_port, interface, pattern, listener, nil, sslctx )
+				--vdebug( "client id:", clientinterface, "startssl:", startssl )
+				if ssl and sslctx then
+					clientinterface:starttls(sslctx)
+				else
+					clientinterface:_start_session( clientinterface.onconnect )
+				end
+				debug( "accepted incoming client connection from:", client_ip or "<unknown IP>", client_port or "<unknown port>", "to", port or "<unknown port>");
+				
+				client, err = server:accept()    -- try to accept again
+			end
+			return EV_READ
+		end
+		
+		server:settimeout( 0 )
+		setmetatable(interface, interface_mt)
+		interfacelist( "add", interface )
+		interface:_start_session()
+		return interface
+	end
+end
+
+local addserver = ( function( )
+	return function( addr, port, listener, pattern, sslcfg, startssl )  -- TODO: check arguments
+		--vdebug( "creating new tcp server with following parameters:", addr or "nil", port or "nil", sslcfg or "nil", startssl or "nil")
+		local server, err = socket.bind( addr, port, cfg.ACCEPT_QUEUE )  -- create server socket
+		if not server then
+			debug( "creating server socket failed because:", err )
+			return nil, err
+		end
+		local sslctx
+		if sslcfg then
+			if not ssl then
+				debug "fatal error: luasec not found"
+				return nil, "luasec not found"
+			end
+			sslctx, err = sslcfg
+			if err then
+				debug( "error while creating new ssl context for server socket:", err )
+				return nil, err
+			end
+		end
+		local interface = handleserver( server, addr, port, pattern, listener, sslctx, startssl )  -- new server handler
+		debug( "new server created with id:", tostring(interface))
+		return interface
+	end
+end )( )
+
+local addclient, wrapclient
+do
+	function wrapclient( client, ip, port, listeners, pattern, sslctx, startssl )
+		local interface = handleclient( client, ip, port, nil, pattern, listeners, sslctx )
+		interface:_start_session()
+		return interface
+		--function handleclient( client, ip, port, server, pattern, listener, _, sslctx )  -- creates an client interface
+	end
+	
+	function addclient( addr, serverport, listener, pattern, localaddr, localport, sslcfg, startssl )
+		local client, err = socket.tcp()  -- creating new socket
+		if not client then
+			debug( "cannot create socket:", err )
+			return nil, err
+		end
+		client:settimeout( 0 )  -- set nonblocking
+		if localaddr then
+			local res, err = client:bind( localaddr, localport, -1 )
+			if not res then
+				debug( "cannot bind client:", err )
+				return nil, err
+			end
+		end
+		local sslctx
+		if sslcfg then  -- handle ssl/new context
+			if not ssl then
+				debug "need luasec, but not available"
+				return nil, "luasec not found"
+			end
+			sslctx, err = sslcfg
+			if err then
+				debug( "cannot create new ssl context:", err )
+				return nil, err
+			end
+		end
+		local res, err = client:connect( addr, serverport )  -- connect
+		if res or ( err == "timeout" ) then
+			local ip, port = client:getsockname( )
+			local server = function( )
+				return nil, "this is a dummy server interface"
+			end
+			local interface = wrapclient( client, ip, serverport, listener, pattern, sslctx, startssl )
+			interface:_start_connection( startssl )
+			debug( "new connection id:", interface.id )
+			return interface, err
+		else
+			debug( "new connection failed:", err )
+			return nil, err
+		end
+	end
+end
+
+
+local loop = function( )  -- starts the event loop
+	base:loop( )
+	return "quitting";
+end
+
+local newevent = ( function( )
+	local add = base.addevent
+	return function( ... )
+		return add( base, ... )
+	end
+end )( )
+
+local closeallservers = function( arg )
+	for _, item in ipairs( interfacelist( ) ) do
+		if item.type == "server" then
+			item:close( arg )
+		end
+	end
+end
+
+local function setquitting(yes)
+	if yes then
+		 -- Quit now
+		 closeallservers();
+		 base:loopexit();
+	end
+end
+
+function get_backend()
+	return base:method();
+end
+
+-- We need to hold onto the events to stop them
+-- being garbage-collected
+local signal_events = {}; -- [signal_num] -> event object
+function hook_signal(signal_num, handler)
+	local function _handler(event)
+		local ret = handler();
+		if ret ~= false then -- Continue handling this signal?
+			return EV_SIGNAL; -- Yes
+		end
+		return -1; -- Close this event
+	end
+	signal_events[signal_num] = base:addevent(signal_num, EV_SIGNAL, _handler);
+	return signal_events[signal_num];
+end
+
+return {
+
+	cfg = cfg,
+	base = base,
+	loop = loop,
+	event = event,
+	event_base = base,
+	addevent = newevent,
+	addserver = addserver,
+	addclient = addclient,
+	wrapclient = wrapclient,
+	setquitting = setquitting,
+	closeall = closeallservers,
+	get_backend = get_backend,
+	hook_signal = hook_signal,
+
+	__NAME = SCRIPT_NAME,
+	__DATE = LAST_MODIFIED,
+	__AUTHOR = SCRIPT_AUTHOR,
+	__VERSION = SCRIPT_VERSION,
+
+}
diff --git a/net/server_select.lua b/net/server_select.lua
new file mode 100644
index 00000000..ebf5c427
--- /dev/null
+++ b/net/server_select.lua
@@ -0,0 +1,891 @@
+-- 
+-- server.lua by blastbeat of the luadch project
+-- Re-used here under the MIT/X Consortium License
+-- 
+-- Modifications (C) 2008-2010 Matthew Wild, Waqas Hussain
+--
+
+-- // wrapping luadch stuff // --
+
+local use = function( what )
+	return _G[ what ]
+end
+local clean = function( tbl )
+	for i, k in pairs( tbl ) do
+		tbl[ i ] = nil
+	end
+end
+
+local log, table_concat = require ("util.logger").init("socket"), table.concat;
+local out_put = function (...) return log("debug", table_concat{...}); end
+local out_error = function (...) return log("warn", table_concat{...}); end
+local mem_free = collectgarbage
+
+----------------------------------// DECLARATION //--
+
+--// constants //--
+
+local STAT_UNIT = 1 -- byte
+
+--// lua functions //--
+
+local type = use "type"
+local pairs = use "pairs"
+local ipairs = use "ipairs"
+local tostring = use "tostring"
+local collectgarbage = use "collectgarbage"
+
+--// lua libs //--
+
+local os = use "os"
+local table = use "table"
+local string = use "string"
+local coroutine = use "coroutine"
+
+--// lua lib methods //--
+
+local os_time = os.time
+local os_difftime = os.difftime
+local table_concat = table.concat
+local table_remove = table.remove
+local string_len = string.len
+local string_sub = string.sub
+local coroutine_wrap = coroutine.wrap
+local coroutine_yield = coroutine.yield
+
+--// extern libs //--
+
+local luasec = use "ssl"
+local luasocket = use "socket" or require "socket"
+
+--// extern lib methods //--
+
+local ssl_wrap = ( luasec and luasec.wrap )
+local socket_bind = luasocket.bind
+local socket_sleep = luasocket.sleep
+local socket_select = luasocket.select
+local ssl_newcontext = ( luasec and luasec.newcontext )
+
+--// functions //--
+
+local id
+local loop
+local stats
+local idfalse
+local addtimer
+local closeall
+local addserver
+local getserver
+local wrapserver
+local getsettings
+local closesocket
+local removesocket
+local removeserver
+local changetimeout
+local wrapconnection
+local changesettings
+
+--// tables //--
+
+local _server
+local _readlist
+local _timerlist
+local _sendlist
+local _socketlist
+local _closelist
+local _readtimes
+local _writetimes
+
+--// simple data types //--
+
+local _
+local _readlistlen
+local _sendlistlen
+local _timerlistlen
+
+local _sendtraffic
+local _readtraffic
+
+local _selecttimeout
+local _sleeptime
+
+local _starttime
+local _currenttime
+
+local _maxsendlen
+local _maxreadlen
+
+local _checkinterval
+local _sendtimeout
+local _readtimeout
+
+local _cleanqueue
+
+local _timer
+
+local _maxclientsperserver
+
+----------------------------------// DEFINITION //--
+
+_server = { } -- key = port, value = table; list of listening servers
+_readlist = { } -- array with sockets to read from
+_sendlist = { } -- arrary with sockets to write to
+_timerlist = { } -- array of timer functions
+_socketlist = { } -- key = socket, value = wrapped socket (handlers)
+_readtimes = { } -- key = handler, value = timestamp of last data reading
+_writetimes = { } -- key = handler, value = timestamp of last data writing/sending
+_closelist = { } -- handlers to close
+
+_readlistlen = 0 -- length of readlist
+_sendlistlen = 0 -- length of sendlist
+_timerlistlen = 0 -- lenght of timerlist
+
+_sendtraffic = 0 -- some stats
+_readtraffic = 0
+
+_selecttimeout = 1 -- timeout of socket.select
+_sleeptime = 0 -- time to wait at the end of every loop
+
+_maxsendlen = 51000 * 1024 -- max len of send buffer
+_maxreadlen = 25000 * 1024 -- max len of read buffer
+
+_checkinterval = 1200000 -- interval in secs to check idle clients
+_sendtimeout = 60000 -- allowed send idle time in secs
+_readtimeout = 6 * 60 * 60 -- allowed read idle time in secs
+
+_cleanqueue = false -- clean bufferqueue after using
+
+_maxclientsperserver = 1000
+
+_maxsslhandshake = 30 -- max handshake round-trips
+
+----------------------------------// PRIVATE //--
+
+wrapserver = function( listeners, socket, ip, serverport, pattern, sslctx, maxconnections ) -- this function wraps a server
+
+	maxconnections = maxconnections or _maxclientsperserver
+
+	local connections = 0
+
+	local dispatch, disconnect = listeners.onincoming, listeners.ondisconnect
+
+	local accept = socket.accept
+
+	--// public methods of the object //--
+
+	local handler = { }
+
+	handler.shutdown = function( ) end
+
+	handler.ssl = function( )
+		return sslctx ~= nil
+	end
+	handler.sslctx = function( )
+		return sslctx
+	end
+	handler.remove = function( )
+		connections = connections - 1
+	end
+	handler.close = function( )
+		for _, handler in pairs( _socketlist ) do
+			if handler.serverport == serverport then
+				handler.disconnect( handler, "server closed" )
+				handler:close( true )
+			end
+		end
+		socket:close( )
+		_sendlistlen = removesocket( _sendlist, socket, _sendlistlen )
+		_readlistlen = removesocket( _readlist, socket, _readlistlen )
+		_socketlist[ socket ] = nil
+		handler = nil
+		socket = nil
+		--mem_free( )
+		out_put "server.lua: closed server handler and removed sockets from list"
+	end
+	handler.ip = function( )
+		return ip
+	end
+	handler.serverport = function( )
+		return serverport
+	end
+	handler.socket = function( )
+		return socket
+	end
+	handler.readbuffer = function( )
+		if connections > maxconnections then
+			out_put( "server.lua: refused new client connection: server full" )
+			return false
+		end
+		local client, err = accept( socket )	-- try to accept
+		if client then
+			local ip, clientport = client:getpeername( )
+			client:settimeout( 0 )
+			local handler, client, err = wrapconnection( handler, listeners, client, ip, serverport, clientport, pattern, sslctx ) -- wrap new client socket
+			if err then -- error while wrapping ssl socket
+				return false
+			end
+			connections = connections + 1
+			out_put( "server.lua: accepted new client connection from ", tostring(ip), ":", tostring(clientport), " to ", tostring(serverport))
+			return dispatch( handler )
+		elseif err then -- maybe timeout or something else
+			out_put( "server.lua: error with new client connection: ", tostring(err) )
+			return false
+		end
+	end
+	return handler
+end
+
+wrapconnection = function( server, listeners, socket, ip, serverport, clientport, pattern, sslctx ) -- this function wraps a client to a handler object
+
+	socket:settimeout( 0 )
+
+	--// local import of socket methods //--
+
+	local send
+	local receive
+	local shutdown
+
+	--// private closures of the object //--
+
+	local ssl
+
+	local dispatch = listeners.onincoming
+	local status = listeners.onstatus
+	local disconnect = listeners.ondisconnect
+
+	local bufferqueue = { } -- buffer array
+	local bufferqueuelen = 0	-- end of buffer array
+
+	local toclose
+	local fatalerror
+	local needtls
+
+	local bufferlen = 0
+
+	local noread = false
+	local nosend = false
+
+	local sendtraffic, readtraffic = 0, 0
+
+	local maxsendlen = _maxsendlen
+	local maxreadlen = _maxreadlen
+
+	--// public methods of the object //--
+
+	local handler = bufferqueue -- saves a table ^_^
+
+	handler.dispatch = function( )
+		return dispatch
+	end
+	handler.disconnect = function( )
+		return disconnect
+	end
+	handler.setlistener = function( self, listeners )
+		dispatch = listeners.onincoming
+		disconnect = listeners.ondisconnect
+		status = listeners.onstatus
+	end
+	handler.getstats = function( )
+		return readtraffic, sendtraffic
+	end
+	handler.ssl = function( )
+		return ssl
+	end
+	handler.sslctx = function ( )
+		return sslctx
+	end
+	handler.send = function( _, data, i, j )
+		return send( socket, data, i, j )
+	end
+	handler.receive = function( pattern, prefix )
+		return receive( socket, pattern, prefix )
+	end
+	handler.shutdown = function( pattern )
+		return shutdown( socket, pattern )
+	end
+	handler.setoption = function (self, option, value)
+		if socket.setoption then
+			return socket:setoption(option, value);
+		end
+		return false, "setoption not implemented";
+	end
+	handler.close = function( self, forced )
+		if not handler then return true; end
+		_readlistlen = removesocket( _readlist, socket, _readlistlen )
+		_readtimes[ handler ] = nil
+		if bufferqueuelen ~= 0 then
+			if not ( forced or fatalerror ) then
+				handler.sendbuffer( )
+				if bufferqueuelen ~= 0 then -- try again...
+					if handler then
+						handler.write = nil -- ... but no further writing allowed
+					end
+					toclose = true
+					return false
+				end
+			else
+				send( socket, table_concat( bufferqueue, "", 1, bufferqueuelen ), 1, bufferlen )	-- forced send
+			end
+		end
+		if socket then
+			_ = shutdown and shutdown( socket )
+			socket:close( )
+			_sendlistlen = removesocket( _sendlist, socket, _sendlistlen )
+			_socketlist[ socket ] = nil
+			socket = nil
+		else
+			out_put "server.lua: socket already closed"
+		end
+		if handler then
+			_writetimes[ handler ] = nil
+			_closelist[ handler ] = nil
+			handler = nil
+		end
+	if server then
+		server.remove( )
+	end
+		out_put "server.lua: closed client handler and removed socket from list"
+		return true
+	end
+	handler.ip = function( )
+		return ip
+	end
+	handler.serverport = function( )
+		return serverport
+	end
+	handler.clientport = function( )
+		return clientport
+	end
+	local write = function( self, data )
+		bufferlen = bufferlen + string_len( data )
+		if bufferlen > maxsendlen then
+			_closelist[ handler ] = "send buffer exceeded"	 -- cannot close the client at the moment, have to wait to the end of the cycle
+			handler.write = idfalse -- dont write anymore
+			return false
+		elseif socket and not _sendlist[ socket ] then
+			_sendlistlen = addsocket(_sendlist, socket, _sendlistlen)
+		end
+		bufferqueuelen = bufferqueuelen + 1
+		bufferqueue[ bufferqueuelen ] = data
+		if handler then
+			_writetimes[ handler ] = _writetimes[ handler ] or _currenttime
+		end
+		return true
+	end
+	handler.write = write
+	handler.bufferqueue = function( self )
+		return bufferqueue
+	end
+	handler.socket = function( self )
+		return socket
+	end
+	handler.pattern = function( self, new )
+		pattern = new or pattern
+		return pattern
+	end
+	handler.set_send = function ( self, newsend )
+		send = newsend or send
+		return send
+	end
+	handler.bufferlen = function( self, readlen, sendlen )
+		maxsendlen = sendlen or maxsendlen
+		maxreadlen = readlen or maxreadlen
+		return bufferlen, maxreadlen, maxsendlen
+	end
+	handler.lock_read = function (self, switch)
+		if switch == true then
+			local tmp = _readlistlen
+			_readlistlen = removesocket( _readlist, socket, _readlistlen )
+			_readtimes[ handler ] = nil
+			if _readlistlen ~= tmp then
+				noread = true
+			end
+		elseif switch == false then
+			if noread then
+				noread = false
+				_readlistlen = addsocket(_readlist, socket, _readlistlen)
+				_readtimes[ handler ] = _currenttime
+			end
+		end
+		return noread
+	end
+	handler.lock = function( self, switch )
+		handler.lock_read (switch)
+		if switch == true then
+			handler.write = idfalse
+			local tmp = _sendlistlen
+			_sendlistlen = removesocket( _sendlist, socket, _sendlistlen )
+			_writetimes[ handler ] = nil
+			if _sendlistlen ~= tmp then
+				nosend = true
+			end
+		elseif switch == false then
+			handler.write = write
+			if nosend then
+				nosend = false
+				write( "" )
+			end
+		end
+		return noread, nosend
+	end
+	local _readbuffer = function( ) -- this function reads data
+		local buffer, err, part = receive( socket, pattern )	-- receive buffer with "pattern"
+		if not err or (err == "wantread" or err == "timeout") or (part and string_len(part) > 0) then -- received something
+			local buffer = buffer or part or ""
+			local len = string_len( buffer )
+			if len > maxreadlen then
+				disconnect( handler, "receive buffer exceeded" )
+				handler:close( true )
+				return false
+			end
+			local count = len * STAT_UNIT
+			readtraffic = readtraffic + count
+			_readtraffic = _readtraffic + count
+			_readtimes[ handler ] = _currenttime
+			--out_put( "server.lua: read data '", buffer:gsub("[^%w%p ]", "."), "', error: ", err )
+			return dispatch( handler, buffer, err )
+		else	-- connections was closed or fatal error
+			out_put( "server.lua: client ", tostring(ip), ":", tostring(clientport), " read error: ", tostring(err) )
+			fatalerror = true
+			disconnect( handler, err )
+		_ = handler and handler:close( )
+			return false
+		end
+	end
+	local _sendbuffer = function( ) -- this function sends data
+		local succ, err, byte, buffer, count;
+		local count;
+		if socket then
+			buffer = table_concat( bufferqueue, "", 1, bufferqueuelen )
+			succ, err, byte = send( socket, buffer, 1, bufferlen )
+			count = ( succ or byte or 0 ) * STAT_UNIT
+			sendtraffic = sendtraffic + count
+			_sendtraffic = _sendtraffic + count
+			_ = _cleanqueue and clean( bufferqueue )
+			--out_put( "server.lua: sended '", buffer, "', bytes: ", tostring(succ), ", error: ", tostring(err), ", part: ", tostring(byte), ", to: ", tostring(ip), ":", tostring(clientport) )
+		else
+			succ, err, count = false, "closed", 0;
+		end
+		if succ then	-- sending succesful
+			bufferqueuelen = 0
+			bufferlen = 0
+			_sendlistlen = removesocket( _sendlist, socket, _sendlistlen ) -- delete socket from writelist
+			_ = needtls and handler:starttls(nil, true)
+			_writetimes[ handler ] = nil
+			_ = toclose and handler:close( )
+			return true
+		elseif byte and ( err == "timeout" or err == "wantwrite" ) then -- want write
+			buffer = string_sub( buffer, byte + 1, bufferlen ) -- new buffer
+			bufferqueue[ 1 ] = buffer	 -- insert new buffer in queue
+			bufferqueuelen = 1
+			bufferlen = bufferlen - byte
+			_writetimes[ handler ] = _currenttime
+			return true
+		else	-- connection was closed during sending or fatal error
+			out_put( "server.lua: client ", tostring(ip), ":", tostring(clientport), " write error: ", tostring(err) )
+			fatalerror = true
+			disconnect( handler, err )
+			_ = handler and handler:close( )
+			return false
+		end
+	end
+
+	-- Set the sslctx
+	local handshake;
+	function handler.set_sslctx(self, new_sslctx)
+		ssl = true
+		sslctx = new_sslctx;
+		local wrote
+		local read
+		handshake = coroutine_wrap( function( client ) -- create handshake coroutine
+				local err
+				for i = 1, _maxsslhandshake do
+					_sendlistlen = ( wrote and removesocket( _sendlist, client, _sendlistlen ) ) or _sendlistlen
+					_readlistlen = ( read and removesocket( _readlist, client, _readlistlen ) ) or _readlistlen
+					read, wrote = nil, nil
+					_, err = client:dohandshake( )
+					if not err then
+						out_put( "server.lua: ssl handshake done" )
+						handler.readbuffer = _readbuffer	-- when handshake is done, replace the handshake function with regular functions
+						handler.sendbuffer = _sendbuffer
+						_ = status and status( handler, "ssl-handshake-complete" )
+						_readlistlen = addsocket(_readlist, client, _readlistlen)
+						return true
+					else
+						out_put( "server.lua: error during ssl handshake: ", tostring(err) )
+						if err == "wantwrite" and not wrote then
+							_sendlistlen = addsocket(_sendlist, client, _sendlistlen)
+							wrote = true
+						elseif err == "wantread" and not read then
+							_readlistlen = addsocket(_readlist, client, _readlistlen)
+							read = true
+						else
+							break;
+						end
+						--coroutine_yield( handler, nil, err )	 -- handshake not finished
+						coroutine_yield( )
+					end
+				end
+				disconnect( handler, "ssl handshake failed" )
+				_ = handler and handler:close( true )	 -- forced disconnect
+				return false	-- handshake failed
+			end
+		)
+	end
+	if luasec then
+		if sslctx then -- ssl?
+			handler:set_sslctx(sslctx);
+			out_put("server.lua: ", "starting ssl handshake")
+			local err
+			socket, err = ssl_wrap( socket, sslctx )	-- wrap socket
+			if err then
+				out_put( "server.lua: ssl error: ", tostring(err) )
+				--mem_free( )
+				return nil, nil, err	-- fatal error
+			end
+			socket:settimeout( 0 )
+			handler.readbuffer = handshake
+			handler.sendbuffer = handshake
+			handshake( socket ) -- do handshake
+			if not socket then
+				return nil, nil, "ssl handshake failed";
+			end
+		else
+			local sslctx;
+			handler.starttls = function( self, _sslctx, now )
+				if _sslctx then
+					sslctx = _sslctx;
+					handler:set_sslctx(sslctx);
+				end
+				if not now then
+					out_put "server.lua: we need to do tls, but delaying until later"
+					needtls = true
+					return
+				end
+				out_put( "server.lua: attempting to start tls on " .. tostring( socket ) )
+				local oldsocket, err = socket
+				socket, err = ssl_wrap( socket, sslctx )	-- wrap socket
+				--out_put( "server.lua: sslwrapped socket is " .. tostring( socket ) )
+				if err then
+					out_put( "server.lua: error while starting tls on client: ", tostring(err) )
+					return nil, err -- fatal error
+				end
+
+				socket:settimeout( 0 )
+	
+				-- add the new socket to our system
+	
+				send = socket.send
+				receive = socket.receive
+				shutdown = id
+
+				_socketlist[ socket ] = handler
+				_readlistlen = addsocket(_readlist, socket, _readlistlen)
+
+				-- remove traces of the old socket
+
+				_readlistlen = removesocket( _readlist, oldsocket, _readlistlen )
+				_sendlistlen = removesocket( _sendlist, oldsocket, _sendlistlen )
+				_socketlist[ oldsocket ] = nil
+
+				handler.starttls = nil
+				needtls = nil
+
+				-- Secure now
+				ssl = true
+
+				handler.readbuffer = handshake
+				handler.sendbuffer = handshake
+				handshake( socket ) -- do handshake
+			end
+			handler.readbuffer = _readbuffer
+			handler.sendbuffer = _sendbuffer
+		end
+	else
+		handler.readbuffer = _readbuffer
+		handler.sendbuffer = _sendbuffer
+	end
+	send = socket.send
+	receive = socket.receive
+	shutdown = ( ssl and id ) or socket.shutdown
+
+	_socketlist[ socket ] = handler
+	_readlistlen = addsocket(_readlist, socket, _readlistlen)
+
+	return handler, socket
+end
+
+id = function( )
+end
+
+idfalse = function( )
+	return false
+end
+
+addsocket = function( list, socket, len )
+	if not list[ socket ] then
+		len = len + 1
+		list[ len ] = socket
+		list[ socket ] = len
+	end
+	return len;
+end
+
+removesocket = function( list, socket, len )	-- this function removes sockets from a list ( copied from copas )
+	local pos = list[ socket ]
+	if pos then
+		list[ socket ] = nil
+		local last = list[ len ]
+		list[ len ] = nil
+		if last ~= socket then
+			list[ last ] = pos
+			list[ pos ] = last
+		end
+		return len - 1
+	end
+	return len
+end
+
+closesocket = function( socket )
+	_sendlistlen = removesocket( _sendlist, socket, _sendlistlen )
+	_readlistlen = removesocket( _readlist, socket, _readlistlen )
+	_socketlist[ socket ] = nil
+	socket:close( )
+	--mem_free( )
+end
+
+----------------------------------// PUBLIC //--
+
+addserver = function( addr, port, listeners, pattern, sslctx ) -- this function provides a way for other scripts to reg a server
+	local err
+	if type( listeners ) ~= "table" then
+		err = "invalid listener table"
+	end
+	if type( port ) ~= "number" or not ( port >= 0 and port <= 65535 ) then
+		err = "invalid port"
+	elseif _server[ port ] then
+		err = "listeners on port '" .. port .. "' already exist"
+	elseif sslctx and not luasec then
+		err = "luasec not found"
+	end
+	if err then
+		out_error( "server.lua, port ", port, ": ", err )
+		return nil, err
+	end
+	addr = addr or "*"
+	local server, err = socket_bind( addr, port )
+	if err then
+		out_error( "server.lua, port ", port, ": ", err )
+		return nil, err
+	end
+	local handler, err = wrapserver( listeners, server, addr, port, pattern, sslctx, _maxclientsperserver ) -- wrap new server socket
+	if not handler then
+		server:close( )
+		return nil, err
+	end
+	server:settimeout( 0 )
+	_readlistlen = addsocket(_readlist, server, _readlistlen)
+	_server[ port ] = handler
+	_socketlist[ server ] = handler
+	out_put( "server.lua: new "..(sslctx and "ssl " or "").."server listener on '", addr, ":", port, "'" )
+	return handler
+end
+
+getserver = function ( port )
+	return _server[ port ];
+end
+
+removeserver = function( port )
+	local handler = _server[ port ]
+	if not handler then
+		return nil, "no server found on port '" .. tostring( port ) .. "'"
+	end
+	handler:close( )
+	_server[ port ] = nil
+	return true
+end
+
+closeall = function( )
+	for _, handler in pairs( _socketlist ) do
+		handler:close( )
+		_socketlist[ _ ] = nil
+	end
+	_readlistlen = 0
+	_sendlistlen = 0
+	_timerlistlen = 0
+	_server = { }
+	_readlist = { }
+	_sendlist = { }
+	_timerlist = { }
+	_socketlist = { }
+	--mem_free( )
+end
+
+getsettings = function( )
+	return	_selecttimeout, _sleeptime, _maxsendlen, _maxreadlen, _checkinterval, _sendtimeout, _readtimeout, _cleanqueue, _maxclientsperserver, _maxsslhandshake
+end
+
+changesettings = function( new )
+	if type( new ) ~= "table" then
+		return nil, "invalid settings table"
+	end
+	_selecttimeout = tonumber( new.timeout ) or _selecttimeout
+	_sleeptime = tonumber( new.sleeptime ) or _sleeptime
+	_maxsendlen = tonumber( new.maxsendlen ) or _maxsendlen
+	_maxreadlen = tonumber( new.maxreadlen ) or _maxreadlen
+	_checkinterval = tonumber( new.checkinterval ) or _checkinterval
+	_sendtimeout = tonumber( new.sendtimeout ) or _sendtimeout
+	_readtimeout = tonumber( new.readtimeout ) or _readtimeout
+	_cleanqueue = new.cleanqueue
+	_maxclientsperserver = new._maxclientsperserver or _maxclientsperserver
+	_maxsslhandshake = new._maxsslhandshake or _maxsslhandshake
+	return true
+end
+
+addtimer = function( listener )
+	if type( listener ) ~= "function" then
+		return nil, "invalid listener function"
+	end
+	_timerlistlen = _timerlistlen + 1
+	_timerlist[ _timerlistlen ] = listener
+	return true
+end
+
+stats = function( )
+	return _readtraffic, _sendtraffic, _readlistlen, _sendlistlen, _timerlistlen
+end
+
+local dontstop = true; -- thinking about tomorrow, ...
+
+setquitting = function (quit)
+	dontstop = not quit;
+	return;
+end
+
+loop = function( ) -- this is the main loop of the program
+	while dontstop do
+		local read, write, err = socket_select( _readlist, _sendlist, _selecttimeout )
+		for i, socket in ipairs( write ) do -- send data waiting in writequeues
+			local handler = _socketlist[ socket ]
+			if handler then
+				handler.sendbuffer( )
+			else
+				closesocket( socket )
+				out_put "server.lua: found no handler and closed socket (writelist)"	-- this should not happen
+			end
+		end
+		for i, socket in ipairs( read ) do -- receive data
+			local handler = _socketlist[ socket ]
+			if handler then
+				handler.readbuffer( )
+			else
+				closesocket( socket )
+				out_put "server.lua: found no handler and closed socket (readlist)" -- this can happen
+			end
+		end
+		for handler, err in pairs( _closelist ) do
+			handler.disconnect( )( handler, err )
+			handler:close( true )	 -- forced disconnect
+		end
+		clean( _closelist )
+		_currenttime = os_time( )
+		if os_difftime( _currenttime - _timer ) >= 1 then
+			for i = 1, _timerlistlen do
+				_timerlist[ i ]( _currenttime ) -- fire timers
+			end
+			_timer = _currenttime
+		end
+		socket_sleep( _sleeptime ) -- wait some time
+		--collectgarbage( )
+	end
+	return "quitting"
+end
+
+local function get_backend()
+	return "select";
+end
+
+--// EXPERIMENTAL //--
+
+local wrapclient = function( socket, ip, serverport, listeners, pattern, sslctx )
+	local handler = wrapconnection( nil, listeners, socket, ip, serverport, "clientport", pattern, sslctx )
+	_socketlist[ socket ] = handler
+	_sendlistlen = addsocket(_sendlist, socket, _sendlistlen)
+	return handler, socket
+end
+
+local addclient = function( address, port, listeners, pattern, sslctx )
+	local client, err = luasocket.tcp( )
+	if err then
+		return nil, err
+	end
+	client:settimeout( 0 )
+	_, err = client:connect( address, port )
+	if err then -- try again
+		local handler = wrapclient( client, address, port, listeners )
+	else
+		wrapconnection( nil, listeners, client, address, port, "clientport", pattern, sslctx )
+	end
+end
+
+--// EXPERIMENTAL //--
+
+----------------------------------// BEGIN //--
+
+use "setmetatable" ( _socketlist, { __mode = "k" } )
+use "setmetatable" ( _readtimes, { __mode = "k" } )
+use "setmetatable" ( _writetimes, { __mode = "k" } )
+
+_timer = os_time( )
+_starttime = os_time( )
+
+addtimer( function( )
+		local difftime = os_difftime( _currenttime - _starttime )
+		if difftime > _checkinterval then
+			_starttime = _currenttime
+			for handler, timestamp in pairs( _writetimes ) do
+				if os_difftime( _currenttime - timestamp ) > _sendtimeout then
+					--_writetimes[ handler ] = nil
+					handler.disconnect( )( handler, "send timeout" )
+					handler:close( true )	 -- forced disconnect
+				end
+			end
+			for handler, timestamp in pairs( _readtimes ) do
+				if os_difftime( _currenttime - timestamp ) > _readtimeout then
+					--_readtimes[ handler ] = nil
+					handler.disconnect( )( handler, "read timeout" )
+					handler:close( )	-- forced disconnect?
+				end
+			end
+		end
+	end
+)
+
+local function setlogger(new_logger)
+	local old_logger = log;
+	if new_logger then
+		log = new_logger;
+	end
+	return old_logger;
+end
+
+----------------------------------// PUBLIC INTERFACE //--
+
+return {
+
+	addclient = addclient,
+	wrapclient = wrapclient,
+	
+	loop = loop,
+	stats = stats,
+	closeall = closeall,
+	addtimer = addtimer,
+	addserver = addserver,
+	getserver = getserver,
+	setlogger = setlogger,
+	getsettings = getsettings,
+	setquitting = setquitting,
+	removeserver = removeserver,
+	get_backend = get_backend,
+	changesettings = changesettings,
+}
diff --git a/net/xmppclient_listener.lua b/net/xmppclient_listener.lua
index f0e756c4..94daa2b2 100644
--- a/net/xmppclient_listener.lua
+++ b/net/xmppclient_listener.lua
@@ -27,17 +27,38 @@ local sm_streamopened = sessionmanager.streamopened;
 local sm_streamclosed = sessionmanager.streamclosed;
 local st = require "util.stanza";
 
-local stream_callbacks = { stream_tag = "http://etherx.jabber.org/streams\1stream", 
-		default_ns = "jabber:client",
+local config = require "core.configmanager";
+local opt_keepalives = config.get("*", "core", "tcp_keepalives");
+
+local stream_callbacks = { default_ns = "jabber:client",
 		streamopened = sm_streamopened, streamclosed = sm_streamclosed, handlestanza = core_process_stanza };
 
+local xmlns_xmpp_streams = "urn:ietf:params:xml:ns:xmpp-streams";
+
 function stream_callbacks.error(session, error, data)
 	if error == "no-stream" then
 		session.log("debug", "Invalid opening stream header");
 		session:close("invalid-namespace");
-	elseif session.close then
-		(session.log or log)("debug", "Client XML parse error: %s", tostring(error));
+	elseif error == "parse-error" then
+		(session.log or log)("debug", "Client XML parse error: %s", tostring(data));
 		session:close("xml-not-well-formed");
+	elseif error == "stream-error" then
+		local condition, text = "undefined-condition";
+		for child in data:children() do
+			if child.attr.xmlns == xmlns_xmpp_streams then
+				if child.name ~= "text" then
+					condition = child.name;
+				else
+					text = child:get_text();
+				end
+				if condition ~= "undefined-condition" and text then
+					break;
+				end
+			end
+		end
+		text = condition .. (text and (" ("..text..")") or "");
+		session.log("info", "Session closed by remote with error: %s", text);
+		session:close(nil, text);
 	end
 end
 
@@ -68,9 +89,8 @@ local function session_reset_stream(session)
 		return true;
 end
 
-
 local stream_xmlns_attr = {xmlns='urn:ietf:params:xml:ns:xmpp-streams'};
-local default_stream_attr = { ["xmlns:stream"] = stream_callbacks.stream_tag:match("[^\1]*"), xmlns = stream_callbacks.default_ns, version = "1.0", id = "" };
+local default_stream_attr = { ["xmlns:stream"] = "http://etherx.jabber.org/streams", xmlns = stream_callbacks.default_ns, version = "1.0", id = "" };
 local function session_close(session, reason)
 	local log = session.log or log;
 	if session.conn then
@@ -100,15 +120,15 @@ local function session_close(session, reason)
 			end
 		end
 		session.send("</stream:stream>");
-		session.conn.close();
-		xmppclient.disconnect(session.conn, (reason and (reason.text or reason.condition)) or reason or "session closed");
+		session.conn:close();
+		xmppclient.ondisconnect(session.conn, (reason and (reason.text or reason.condition)) or reason or "session closed");
 	end
 end
 
 
 -- End of session methods --
 
-function xmppclient.listener(conn, data)
+function xmppclient.onincoming(conn, data)
 	local session = sessions[conn];
 	if not session then
 		session = sm_new_session(conn);
@@ -117,10 +137,14 @@ function xmppclient.listener(conn, data)
 		session.log("info", "Client connected");
 		
 		-- Client is using legacy SSL (otherwise mod_tls sets this flag)
-		if conn.ssl() then
+		if conn:ssl() then
 			session.secure = true;
 		end
 		
+		if opt_keepalives ~= nil then
+			conn:setoption("keepalive", opt_keepalives);
+		end
+		
 		session.reset_stream = session_reset_stream;
 		session.close = session_close;
 		
@@ -133,7 +157,7 @@ function xmppclient.listener(conn, data)
 	end
 end
 	
-function xmppclient.disconnect(conn, err)
+function xmppclient.ondisconnect(conn, err)
 	local session = sessions[conn];
 	if session then
 		(session.log or log)("info", "Client disconnected: %s", err);
diff --git a/net/xmppcomponent_listener.lua b/net/xmppcomponent_listener.lua
index 1759adf9..b87f7c96 100644
--- a/net/xmppcomponent_listener.lua
+++ b/net/xmppcomponent_listener.lua
@@ -32,18 +32,35 @@ local xmlns_component = 'jabber:component:accept';
 
 --- Callbacks/data for xmlhandlers to handle streams for us ---
 
-local stream_callbacks = { stream_tag = "http://etherx.jabber.org/streams\1stream", default_ns = xmlns_component };
+local stream_callbacks = { default_ns = xmlns_component };
+
+local xmlns_xmpp_streams = "urn:ietf:params:xml:ns:xmpp-streams";
 
 function stream_callbacks.error(session, error, data, data2)
+	if session.destroyed then return; end
 	log("warn", "Error processing component stream: "..tostring(error));
 	if error == "no-stream" then
 		session:close("invalid-namespace");
-	elseif error == "xml-parse-error" and data == "unexpected-element-close" then
-		session.log("warn", "Unexpected close of '%s' tag", data2);
-		session:close("xml-not-well-formed");
-	else
-		session.log("warn", "External component %s XML parse error: %s", tostring(session.host), tostring(error));
+	elseif error == "parse-error" then
+		session.log("warn", "External component %s XML parse error: %s", tostring(session.host), tostring(data));
 		session:close("xml-not-well-formed");
+	elseif error == "stream-error" then
+		local condition, text = "undefined-condition";
+		for child in data:children() do
+			if child.attr.xmlns == xmlns_xmpp_streams then
+				if child.name ~= "text" then
+					condition = child.name;
+				else
+					text = child:get_text();
+				end
+				if condition ~= "undefined-condition" and text then
+					break;
+				end
+			end
+		end
+		text = condition .. (text and (" ("..text..")") or "");
+		session.log("info", "Session closed by remote with error: %s", text);
+		session:close(nil, text);
 	end
 end
 
@@ -71,8 +88,8 @@ function stream_callbacks.streamopened(session, attr)
 end
 
 function stream_callbacks.streamclosed(session)
-	session.send("</stream:stream>");
-	session.notopen = true;
+	session.log("Received </stream:stream>");
+	session:close();
 end
 
 local core_process_stanza = core_process_stanza;
@@ -87,8 +104,9 @@ end
 
 --- Closing a component connection
 local stream_xmlns_attr = {xmlns='urn:ietf:params:xml:ns:xmpp-streams'};
-local default_stream_attr = { ["xmlns:stream"] = stream_callbacks.stream_tag:match("[^\1]*"), xmlns = stream_callbacks.default_ns, version = "1.0", id = "" };
+local default_stream_attr = { ["xmlns:stream"] = "http://etherx.jabber.org/streams", xmlns = stream_callbacks.default_ns, version = "1.0", id = "" };
 local function session_close(session, reason)
+	if session.destroyed then return; end
 	local log = session.log or log;
 	if session.conn then
 		if session.notopen then
@@ -117,17 +135,17 @@ local function session_close(session, reason)
 			end
 		end
 		session.send("</stream:stream>");
-		session.conn.close();
-		component_listener.disconnect(session.conn, "stream error");
+		session.conn:close();
+		component_listener.ondisconnect(session.conn, "stream error");
 	end
 end
 
 --- Component connlistener
-function component_listener.listener(conn, data)
+function component_listener.onincoming(conn, data)
 	local session = sessions[conn];
 	if not session then
 		local _send = conn.write;
-		session = { type = "component", conn = conn, send = function (data) return _send(tostring(data)); end };
+		session = { type = "component", conn = conn, send = function (data) return _send(conn, tostring(data)); end };
 		sessions[conn] = session;
 
 		-- Logging functions --
@@ -146,6 +164,7 @@ function component_listener.listener(conn, data)
 		function session.data(conn, data)
 			local ok, err = parser:parse(data);
 			if ok then return; end
+			log("debug", "Received invalid XML (%s) %d bytes: %s", tostring(err), #data, data:sub(1, 300):gsub("[\r\n]+", " "):gsub("[%z\1-\31]", "_"));
 			session:close("xml-not-well-formed");
 		end
 		
@@ -157,7 +176,7 @@ function component_listener.listener(conn, data)
 	end
 end
 	
-function component_listener.disconnect(conn, err)
+function component_listener.ondisconnect(conn, err)
 	local session = sessions[conn];
 	if session then
 		(session.log or log)("info", "component disconnected: %s (%s)", tostring(session.host), tostring(err));
@@ -167,7 +186,12 @@ function component_listener.disconnect(conn, err)
 			hosts[session.host].connected = nil;
 		end
 		sessions[conn]  = nil;
-		for k in pairs(session) do session[k] = nil; end
+		for k in pairs(session) do
+			if k ~= "log" and k ~= "close" then
+				session[k] = nil;
+			end
+		end
+		session.destroyed = true;
 		session = nil;
 	end
 end
diff --git a/net/xmppserver_listener.lua b/net/xmppserver_listener.lua
index dc3c2bb4..d1272edb 100644
--- a/net/xmppserver_listener.lua
+++ b/net/xmppserver_listener.lua
@@ -17,16 +17,34 @@ local s2s_streamopened = require "core.s2smanager".streamopened;
 local s2s_streamclosed = require "core.s2smanager".streamclosed;
 local s2s_destroy_session = require "core.s2smanager".destroy_session;
 local s2s_attempt_connect = require "core.s2smanager".attempt_connection;
-local stream_callbacks = { stream_tag = "http://etherx.jabber.org/streams\1stream", 
-		default_ns = "jabber:server",
+local stream_callbacks = { default_ns = "jabber:server",
 		streamopened = s2s_streamopened, streamclosed = s2s_streamclosed, handlestanza =  core_process_stanza };
 
+local xmlns_xmpp_streams = "urn:ietf:params:xml:ns:xmpp-streams";
+
 function stream_callbacks.error(session, error, data)
 	if error == "no-stream" then
 		session:close("invalid-namespace");
-	else
+	elseif error == "parse-error" then
 		session.log("debug", "Server-to-server XML parse error: %s", tostring(error));
 		session:close("xml-not-well-formed");
+	elseif error == "stream-error" then
+		local condition, text = "undefined-condition";
+		for child in data:children() do
+			if child.attr.xmlns == xmlns_xmpp_streams then
+				if child.name ~= "text" then
+					condition = child.name;
+				else
+					text = child:get_text();
+				end
+				if condition ~= "undefined-condition" and text then
+					break;
+				end
+			end
+		end
+		text = condition .. (text and (" ("..text..")") or "");
+		session.log("info", "Session closed by remote with error: %s", text);
+		session:close(nil, text);
 	end
 end
 
@@ -73,8 +91,8 @@ local function session_reset_stream(session)
 end
 
 local stream_xmlns_attr = {xmlns='urn:ietf:params:xml:ns:xmpp-streams'};
-local default_stream_attr = { ["xmlns:stream"] = stream_callbacks.stream_tag:match("[^\1]*"), xmlns = stream_callbacks.default_ns, version = "1.0", id = "" };
-local function session_close(session, reason)
+local default_stream_attr = { ["xmlns:stream"] = "http://etherx.jabber.org/streams", xmlns = stream_callbacks.default_ns, version = "1.0", id = "" };
+local function session_close(session, reason, remote_reason)
 	local log = session.log or log;
 	if session.conn then
 		if session.notopen then
@@ -103,18 +121,18 @@ local function session_close(session, reason)
 			end
 		end
 		session.sends2s("</stream:stream>");
-		if session.notopen or not session.conn.close() then
-			session.conn.close(true); -- Force FIXME: timer?
+		if session.notopen or not session.conn:close() then
+			session.conn:close(true); -- Force FIXME: timer?
 		end
-		session.conn.close();
-		xmppserver.disconnect(session.conn, "stream error");
+		session.conn:close();
+		xmppserver.ondisconnect(session.conn, remote_reason or (reason and (reason.text or reason.condition)) or reason or "stream closed");
 	end
 end
 
 
 -- End of session methods --
 
-function xmppserver.listener(conn, data)
+function xmppserver.onincoming(conn, data)
 	local session = sessions[conn];
 	if not session then
 		session = s2s_new_incoming(conn);
@@ -140,7 +158,7 @@ function xmppserver.listener(conn, data)
 	end
 end
 	
-function xmppserver.status(conn, status)
+function xmppserver.onstatus(conn, status)
 	if status == "ssl-handshake-complete" then
 		local session = sessions[conn];
 		if session and session.direction == "outgoing" then
@@ -151,7 +169,7 @@ function xmppserver.status(conn, status)
 	end
 end
 
-function xmppserver.disconnect(conn, err)
+function xmppserver.ondisconnect(conn, err)
 	local session = sessions[conn];
 	if session then
 		if err and err ~= "closed" and session.srv_hosts then
@@ -161,7 +179,7 @@ function xmppserver.disconnect(conn, err)
 				return; -- Session lives for now
 			end
 		end
-		(session.log or log)("info", "s2s disconnected: %s->%s (%s)", tostring(session.from_host), tostring(session.to_host), tostring(err));
+		(session.log or log)("info", "s2s disconnected: %s->%s (%s)", tostring(session.from_host), tostring(session.to_host), tostring(err or "closed"));
 		s2s_destroy_session(session, err);
 		sessions[conn]  = nil;
 		session = nil;