Can you make an ENetMultiplayerPeer server listen on more than 1 port?

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ENET does have a concept of channels that can organize messages, but if you want to consume more the one port you need three ENET instances. And if you want to use the multiplayer API with that packet peer you also need to establish each peer on a separate branch in the scene tree.

With channels you should be able to use a single packet peer and RPC on different channels.

here is an example of setting up an ENET on seperate branches.

var port:int = 5544
var ip:String = "localhost"
var smapi: = SceneMultiplayer.new()
var enet = ENetMultiplayerPeer.new()

func _ready():
	var path: = self.get_path()
	print(self.name, " started, putting api on node ", path)
	smapi.root_path = path
	match self.name:
		"Server":
			enet.create_server(port, 2)
		"Client":
			enet.create_client(ip, port)
		_:
			push_error(self.name, ": you done messed up")
	smapi.multiplayer_peer = enet
	get_tree().set_multiplayer(smapi, path)
	multiplayer.peer_connected.connect(_on_peer_connected)
	multiplayer.peer_disconnected.connect(_on_peer_disconnected)

This was a server client test on a single godot game. for your application I would just create three servers on different ports and node paths.

alternative channel approach

To invoke transfer channels you specifiy functions like this

@rpc("any_peer","call_remote", "reliable",0)

zero being the desired transfer channel. and you also need to setup the channels in the server setup stage.

create_server ( int port, int max_clients=32, int max_channels=0, int in_bandwidth=0, int out_bandwidth=0 )
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