setting up GDUnit

addons/gdUnit4/src/network/GdUnitTcpClient.gd

@@ -0,0 +1,124 @@
+class_name GdUnitTcpClient
+extends GdUnitTcpNode
+
+signal connection_succeeded(message: String)
+signal connection_failed(message: String)
+
+
+var _client_name: String
+var _debug := false
+var _host: String
+var _port: int
+var _client_id: int
+var _connected: bool
+var _stream: StreamPeerTCP
+
+
+func _init(client_name := "GdUnit4 TCP Client", debug := false) -> void:
+	_client_name = client_name
+	_debug = debug
+
+
+func _ready() -> void:
+	_connected = false
+	_stream = StreamPeerTCP.new()
+	#_stream.set_big_endian(true)
+
+
+func stop() -> void:
+	console("Disconnecting from server")
+	if _stream != null:
+		rpc_send(_stream, RPCClientDisconnect.new().with_id(_client_id))
+	if _stream != null:
+		_stream.disconnect_from_host()
+	_connected = false
+
+
+func start(host: String, port: int) -> GdUnitResult:
+	_host = host
+	_port = port
+	if _connected:
+		return GdUnitResult.warn("Client already connected ... %s:%d" % [_host, _port])
+
+	# Connect client to server
+	if _stream.get_status() != StreamPeerTCP.STATUS_CONNECTED:
+		var err := _stream.connect_to_host(host, port)
+		#prints("connect_to_host", host, port, err)
+		if err != OK:
+			return GdUnitResult.error("GdUnit4: Can't establish client, error code: %s" % err)
+	return GdUnitResult.success("GdUnit4: Client connected checked port %d" % port)
+
+
+func _process(_delta: float) -> void:
+	match _stream.get_status():
+		StreamPeerTCP.STATUS_NONE:
+			return
+
+		StreamPeerTCP.STATUS_CONNECTING:
+			set_process(false)
+			# wait until client is connected to server
+			for retry in 10:
+				@warning_ignore("return_value_discarded")
+				_stream.poll()
+				console("Waiting to connect ..")
+				if _stream.get_status() == StreamPeerTCP.STATUS_CONNECTING:
+					await get_tree().create_timer(0.500).timeout
+				if _stream.get_status() == StreamPeerTCP.STATUS_CONNECTED:
+					set_process(true)
+					return
+			set_process(true)
+			_stream.disconnect_from_host()
+			console("Connection failed")
+			connection_failed.emit("Connect to TCP Server %s:%d faild!" % [_host, _port])
+
+		StreamPeerTCP.STATUS_CONNECTED:
+			if not _connected:
+				var rpc_data :RPC = null
+				set_process(false)
+				while rpc_data == null:
+					await get_tree().create_timer(0.500).timeout
+					rpc_data = rpc_receive()
+				set_process(true)
+				_client_id = (rpc_data as RPCClientConnect).client_id()
+				console("Connected to Server: %d" % _client_id)
+				connection_succeeded.emit("Connect to TCP Server %s:%d success." % [_host, _port])
+				_connected = true
+			process_rpc()
+
+		StreamPeerTCP.STATUS_ERROR:
+			console("Connection failed")
+			_stream.disconnect_from_host()
+			connection_failed.emit("Connect to TCP Server %s:%d faild!" % [_host, _port])
+			return
+
+
+func is_client_connected() -> bool:
+	return _connected
+
+
+func process_rpc() -> void:
+	if _stream.get_available_bytes() > 0:
+		var rpc_data := rpc_receive()
+		if rpc_data is RPCClientDisconnect:
+			stop()
+
+
+func send(data: RPC) -> void:
+	rpc_send(_stream, data)
+
+
+func rpc_receive() -> RPC:
+	return receive_packages(_stream).front()
+
+
+func console(value: Variant) -> void:
+	if _debug:
+		print(_client_name, ":	", value)
+
+
+func _on_connection_failed(message: String) -> void:
+	console("Connection faild by: " + message)
+
+
+func _on_connection_succeeded(message: String) -> void:
+	console("Connected: " + message)