private void StopWebSocketServer()
{
if (wssv != null)
{
Logger.Verbose("Stopping WebSocket service on " + wssv.Address + ":" + wssv.Port + wssv.WebSocketServices.Paths.ElementAt(0));
wssv.Stop();
wssv = null;
}
}
private void StopWebSocketClient()
{
if (wscl != null)
{
Logger.Verbose("Stopping WebSocket client on " + wscl.Url);
wscl.Close();
wscl = null;
}
}
private void Wscl_OnMessage(object sender, MessageEventArgs e)
{
if (bot == null)
{
wscl.Send($"{{\"event\":\"controller-disconnected\"}}");
return;
}
//Logger.Verbose("Action from \"" + _clientName + "\": " + e.Data);
Logger.Verbose("Instruction/s received from Machina Server: " + e.Data);
ExecuteInstructionsOnContext(e.Data);
}
protected override void OnMessage(MessageEventArgs e)
{
//base.OnMessage(e);
//Console.WriteLine(" BRIDGE: received message: " + e.Data);
if (_robot == null || _parent.bot == null)
{
_parent.wssv.WebSocketServices.Broadcast($"{{\"event\":\"controller-disconnected\"}}");
return;
}
Logger.Verbose("Action from \"" + _clientName + "\": " + e.Data);
_parent.ExecuteInstructionsOnContext(e.Data);
}
/// <summary>
/// Initialize WebSocket communication infrastructure
/// </summary>
/// <returns></returns>
private bool InitializeWebSocketServer()
{
// Close previous instances, if applicable
if (wssv != null && wssv.IsListening)
{
StopWebSocketServer();
}
if (wscl != null && wscl.IsAlive)
{
StopWebSocketClient();
}
wsURL = txtbox_WSServerURL.Text;
_authkey = psswrdbox_Key.Password;
// Check if given URL is a valid Machina Server
try
{
Logger.Verbose("Trying connection to Machina Server on " + wsURL);
// Add relevant auth info as query parameters
string fullURL = $"{wsURL}?name={_robotName}&client=machina-bridge&authkey={_authkey}";
// Establish connection
wscl = new WebSocket(fullURL);
wscl.OnOpen += Wscl_OnOpen;
wscl.OnMessage += Wscl_OnMessage;
wscl.OnClose += Wscl_OnClose;
wscl.OnError += Wscl_OnError;
wscl.Connect();
//wscl.Send("hello from Bridge");
if (wscl.IsAlive)
{
Logger.Info("Successful connection to Machina Remote Server on " + wsURL);
}
else
{
throw new Exception();
}
}
catch
{
Logger.Verbose("Could not connect to existing Machina Server, initializing locally...");
// Check validity of URL
if (!ParseWebSocketURL())
{
Logger.Error("Invalid WebSocket URL \"" + txtbox_WSServerURL.Text + "\"; try something like \"ws://127.0.0.1/Bridge\"");
return(false);
}
wssv = new WebSocketServer(wsURL);
wssv.AddWebSocketService(wssvBehavior, () => new WSServerBehavior(bot, this));
// @TODO: add a check here if the port is in use, and try a different port instead
try
{
wssv.Start();
}
catch
{
Logger.Error("Default websocket server is not available, please enter a new one manually...");
return(false);
}
if (wssv.IsListening)
{
//Machina.Logger.Info($"Listening on port {wssv.Port}, and providing WebSocket services:");
//foreach (var path in wssv.WebSocketServices.Paths) Machina.Logger.Info($"- {path}");
Logger.Verbose("Successful initialization of Machina Local Server on " + wsURL);
Logger.Info("Waiting for incoming connections on Machina Local Server " + (wsURL + wssvBehavior));
}
}
return(true);
//lbl_ServerURL.Content = wssvURL + wssvBehavior;
}