Merge pull request #1367 from CIB/master

Implemented socket_talk, a quick way for inter-process communication

code/game/cellautomata.dm

@@ -137,6 +137,7 @@
 
 	src.update_status()
 
+	socket_talk = new /datum/socket_talk()
 	master_controller = new /datum/controller/game_controller()
 	spawn(-1)
 		master_controller.setup()

code/game/master_controller.dm

@@ -22,17 +22,30 @@ datum/controller/game_controller
 	var/global/ticker_ready = 0
 
 	proc
+		keepalive()
 		setup()
 		setup_objects()
 		process()
 		set_debug_state(txt)
 
+	keepalive()
+		spawn while(1)
+			sleep(10)
+
+			// Notify the other process that we're still there
+			socket_talk.send_keepalive()
+
 	setup()
 		if(master_controller && (master_controller != src))
 			del(src)
 			return
 			//There can be only one master.
 
+		socket_talk = new /datum/socket_talk()
+
+		// notify the other process that we started up
+		socket_talk.send_raw("type=startup")
+
 		if(!air_master)
 			air_master = new /datum/controller/air_system()
 			air_master.setup()
@@ -73,6 +86,8 @@ datum/controller/game_controller
 
 		setupfactions()
 
+		spawn keepalive()
+
 		spawn
 			ticker.pregame()
 
@@ -109,7 +124,7 @@ datum/controller/game_controller
 		// This should describe what is currently being done by the master controller
 		// Useful for crashlogs and similar, because that way it's easy to tell what
 		// was going on when the server crashed.
-
+		socket_talk.send_raw("type=ticker_state&message=[txt]")
 		return
 
 	process()
@@ -141,6 +156,9 @@ datum/controller/game_controller
 		powernets_ready = 0
 		ticker_ready = 0
 
+		// Notify the other process that we're still there
+		socket_talk.send_keepalive()
+
 		// the fact that the air master is not in the master controller
 		// will make it very hard to find out whether it's responsible
 		// for crashes

code/game/socket_talk.dm

@@ -0,0 +1,26 @@
+// Module used for fast interprocess communication between BYOND and other processes
+
+/datum/socket_talk
+	var
+		enabled = 0
+	New()
+		..()
+		src.enabled = config.socket_talk
+
+		if(enabled)
+			call("DLLSocket.so","establish_connection")("127.0.0.1","8019")
+
+	proc
+		send_raw(message)
+			if(enabled)
+				return call("DLLSocket.so","send_message")(message)
+		receive_raw()
+			if(enabled)
+				return call("DLLSocket.so","recv_message")()
+		send_log(var/log, var/message)
+			return send_raw("type=log&log=[log]&message=[message]")
+		send_keepalive()
+			return send_raw("type=keepalive")
+
+
+var/global/datum/socket_talk/socket_talk