/// <summary>
/// Event fired when a data is received from the Alchemy Websockets server instance.
/// Parses data as JSON and calls the appropriate message or sends an error message.
/// </summary>
/// <param name="context">The user's connection context</param>
public static void OnReceive(IWebSocketConnection socket, string message)
{
Console.WriteLine("Received Data From :" + socket.ClientAddressAndPort());
try
{
try
{
string appName = "";
if (applicationConnections.ContainsKey(socket.ClientAddressAndPort()))
{
appName = applicationConnections[socket.ClientAddressAndPort()];
foreach (var ConnectToApplication in TPService.Instance.ConnectToApplications)
{
ConnectToApplication.WebSocketSendMessageEvent -= OnWebSocketSendMessageEvent;
ConnectToApplication.WebSocketSendMessageEvent += OnWebSocketSendMessageEvent;
ConnectToApplication.ProcessWebSocketMessage(appName, message, socket.ClientAddressAndPort());
}
}
else
{
if (isConnectToCommand(socket, message, out appName))
{
TpsLogManager <WebSocketPipe> .Info("New connection added for " + appName + " on " + socket.ClientAddressAndPort());
Console.WriteLine("New connection added for " + appName + " on " + socket.ClientAddressAndPort());
foreach (var ConnectToApplication in TPService.Instance.ConnectToApplications)
{
ConnectToApplication.WebSocketSendMessageEvent -= OnWebSocketSendMessageEvent;
ConnectToApplication.WebSocketSendMessageEvent += OnWebSocketSendMessageEvent;
ConnectToApplication.ProcessWebSocketMessage(appName, message, socket.ClientAddressAndPort());
}
}
else
{
Console.WriteLine("Unsuccessful attempt by " + socket.ClientAddressAndPort() + " : " + message);
socket.Send(JsonConvert.SerializeObject(new { Error = " Invalid json message" }));
}
}
}
catch (Exception e)
{
TpsLogManager <WebSocketPipe> .Error("Error OnReceive : " + e.Message + e.StackTrace);
socket.Send(JsonConvert.SerializeObject(new { Error = e.Message }));
}
}
catch (Exception ex)
{
TpsLogManager <WebSocketPipe> .Error("Error on WebSocketPipe.OnReceive : " + ex.Message + ex.StackTrace, ex);
socket.Send(JsonConvert.SerializeObject(new { Error = ex.Message }));
}
}
public void OnConnect(IWebSocketConnection socket)
{
try
{
webSocketConnections.TryAdd(socket.ClientAddressAndPort(), socket);
Console.WriteLine("New websocket connection added for browser :" + socket.ClientAddressAndPort());
TpsLogManager <WebSocketPipe> .Info("New websocket connection added for browser : " + socket.ClientAddressAndPort());
}
catch (Exception ex)
{
TpsLogManager <WebSocketPipe> .Error("Error on WebSocketPipe.OnConnect : " + ex.Message + ex.StackTrace);
}
}
private void DisconnectWebsocket(IWebSocketConnection socket)
{
string applicationName = "";
if (applicationConnections.ContainsKey(socket.ClientAddressAndPort()))
{
applicationName = applicationConnections[socket.ClientAddressAndPort()];
applicationConnections.TryRemove(socket.ClientAddressAndPort(), out applicationName);
TpsLogManager <WebSocketPipe> .Info("Connection removed for " + applicationName + " on " + socket.ClientAddressAndPort());
Console.WriteLine("connection removed for " + applicationName + " on " + socket.ClientAddressAndPort());
}
webSocketConnections.TryRemove(socket.ClientAddressAndPort(), out socket);
Console.WriteLine("Websocket client disconnected : " + socket.ClientAddressAndPort());
TpsLogManager <WebSocketPipe> .Info("Websocket client disconnected : " + socket.ClientAddressAndPort());
}
private static bool isConnectToCommand(IWebSocketConnection socket, string message, out string applicationName)
{
applicationName = "";
#region Ignore invalid json message
if (!(message.StartsWith("{") && message.EndsWith("}")))
{
TpsLogManager <WebSocketPipe> .Error("Error OnReceive - Invalid json message " + message + " received from " + socket.ClientAddressAndPort());
socket.Send(JsonConvert.SerializeObject(new { Error = " Invalid json message" }));
return(false);
}
#endregion
try
{
JObject request = new JObject();
request = JObject.Parse(message);
if (request.First == null)
{
TpsLogManager <WebSocketPipe> .Error("Error OnReceive - Invalid json message " + message + " received from " + socket.ClientAddressAndPort());
socket.Send(JsonConvert.SerializeObject(new { Error = " Invalid json message" }));
return(false);
}
string command = ((Newtonsoft.Json.Linq.JProperty)(request.First)).Name;
#region Ignore invalid command
if (String.IsNullOrEmpty(command))
{
TpsLogManager <WebSocketPipe> .Error("Error OnReceive - Invalid json message " + message + " received from " + socket.ClientAddressAndPort());
socket.Send(JsonConvert.SerializeObject(new { Error = " Invalid json message" }));
return(false);
}
#endregion
if (command == "connecttoapplication")
{
foreach (var x in request)
{
string name = x.Key;
JToken value = x.Value;
applicationName = value.Value <String>("appname");
}
applicationConnections.TryAdd(socket.ClientAddressAndPort(), applicationName);
return(true);
}
return(false);
}
catch (Exception e)
{
if (String.IsNullOrEmpty(message))
{
TpsLogManager <WebSocketPipe> .Error("Error OnReceive : Null or empty messsage is received from " + socket.ClientAddressAndPort());
socket.Send(JsonConvert.SerializeObject(new { Error = " Invalid json message" }));
return(false);
}
TpsLogManager <WebSocketPipe> .Error("Error OnReceive for " + socket.ClientAddressAndPort() + ": " + e.Message + e.StackTrace);
socket.Send(JsonConvert.SerializeObject(new { Error = e.Message }));
return(false);
}
}
public void OnDisconnect(IWebSocketConnection socket)
{
try
{
DisconnectWebsocket(socket);
}
catch (Exception ex)
{
TpsLogManager <WebSocketPipe> .Error("Error on WebSocketPipe.OnDisconnect " + socket.ClientAddressAndPort() + " : " + ex.Message + ex.StackTrace, ex);
}
}