Typo & masterserver.lua

masterserver.lua

@@ -0,0 +1,39 @@
+require "socket"
+
+searchstring = "SERVBROWSER_MASTERSEARCH"
+responsestring = "MASTERSERVER_RESULT"
+identifystring = "MASTERSERVER_IDENTIFY"
+checkstring = "MASTERSERVER_CHECK"
+checkpassstring = "MASTERSERVER_CHECKPASS"
+
+servers = {}
+
+sock = socket.udp()
+sock:settimeout(0)
+sock:setsockname("*", 8189)
+while true do
+	local data, ip, port = sock:receivefrom()
+	if data == searchstring then
+		for i, v in pairs(servers) do
+			local sip, sport = i:gmatch("([0-9%.]*):([0-9]*)")()
+			sock:sendto(string.format("%s %s %s\n", responsestring, sip, sport), ip, port)
+		end
+	elseif data == identifystring then
+		sock:sendto(checkstring, ip, port)
+	elseif data == checkpassstring then
+		servers[ip .. ":" .. port] = os.time()
+	elseif not data then
+		local t = os.time()
+		for i, v in pairs(servers) do
+			local dt = os.difftime(t, v)
+			if dt > 60 then
+				servers[i] = nil
+			elseif dt > 30 then
+				local ip, port = i:gmatch("([0-9%.]*):([0-9]*)")()
+				sock:sendto(checkstring, ip, port)
+			end
+		end
+	end
+	socket.sleep(0.1)
+end
+

protocol.lua

@@ -188,6 +188,6 @@ function identifyatmaster(server, port)
 	if not host then
 		return nil, "DNS failed"
 	end
-	conn.socket:sendto("MASTERSERVER_IDENTIFY", host, ip)
+	conn.socket:sendto("MASTERSERVER_IDENTIFY", host, port)
 end