Added wireless connection controller

Base framework for wireless connection controller to replace radio controller for device communication

code/modules/wireless/interfaces.dm

@@ -0,0 +1,56 @@
+/datum/wifi
+	var/list/connected_devices
+
+/datum/wifi/New()
+	connected_devices = new()
+
+/datum/wifi/Destroy(var/wifi/device)
+	..()
+	for(var/datum/wifi/D in connected_devices)
+		D.disconnect_device(src)
+
+/datum/wifi/proc/connect_device(var/datum/wifi/device)
+	connected_devices |= device
+
+/datum/wifi/proc/disconnect_device(var/datum/wifi/device)
+	connected_devices -= device
+
+
+
+/datum/wifi/receiver
+	var/id
+
+/datum/wifi/receiver/New(var/new_id)
+	..()
+	id = new_id
+	wifi_manager.add_device(src)
+
+/datum/wifi/receiver/Destroy()
+	..()
+	wifi_manager.remove_device(src)
+
+
+
+/datum/wifi/sender
+	var/target
+
+/datum/wifi/sender/New(var/new_target)
+	..()
+	target = new_target
+
+/datum/wifi/sender/proc/set_target(var/new_target)
+	target = new_target
+
+/datum/wifi/sender/proc/send_connection_request()
+	var/datum/connection_request/C = new(src, target)
+	wifi_manager.add_request(C)
+
+
+
+/datum/connection_request
+	var/datum/wifi/sender/source	//wifi_sender object creating the request
+	var/target						//id tag of the target device to try to connect to
+
+/datum/connection_request/New(var/datum/wifi/sender/sender, var/receiver)
+	source = sender
+	target = receiver

code/modules/wireless/manager.dm

@@ -0,0 +1,47 @@
+/datum/wifi_manager
+	var/list/pending_connections
+	var/list/receiver_list
+	var/list/failed_connections
+
+/datum/wifi_manager/New()
+	pending_connections = new()
+	receiver_list = new()
+	failed_connections = new()
+
+/datum/wifi_manager/proc/add_device(var/datum/wifi/receiver/R)
+	receiver_list |= R
+
+/datum/wifi_manager/proc/remove_device(var/datum/wifi/receiver/R)
+	receiver_list -= R
+
+/datum/wifi_manager/proc/add_request(var/datum/connection_request/C)
+	pending_connections += C
+
+/datum/wifi_manager/proc/process()
+	//check any failed connections from the previous pass
+	if(failed_connections.len > 0)
+		for(var/datum/connection_request/C in failed_connections)
+			var/target_found = 0
+			for(var/datum/wifi/receiver/R in receiver_list)
+				if(R.id == C.target)
+					var/datum/wifi/sender/S = C.source
+					S.connect_device(R)
+					R.connect_device(S)
+					target_found = 1
+			failed_connections -= C
+			if(!target_found)
+				log_debug("[C.source] could not connect to \"[C.target]\"")
+
+	//check and try assigning any pending connections
+	if(pending_connections.len > 0)
+		for(var/datum/connection_request/C in pending_connections)
+			var/target_found = 0
+			for(var/datum/wifi/receiver/R in receiver_list)
+				if(R.id == C.target)
+					var/datum/wifi/sender/S = C.source
+					S.connect_device(R)
+					R.connect_device(S)
+					target_found = 1
+			pending_connections -= C
+			if(!target_found)
+				failed_connections += C