/// <summary>
/// Checks the timeout on a client connection. This method is used to detect hanging connections, and
/// forcefully disconnects them.
/// </summary>
/// <param name="client"></param>
protected void CheckTimeout(GpcmClient client)
{
// Setup vars
DateTime expireTime = client.Created.AddSeconds(Timeout);
GpcmClient oldC;
// Remove all processing connections that are hanging
if (client.Status != LoginStatus.Completed && expireTime <= DateTime.Now)
{
try
{
client.Disconnect(1);
Processing.TryRemove(client.ConnectionId, out oldC);
}
catch (Exception ex)
{
// Log the error
Program.ErrorLog.Write(
"NOTICE: [GpcmServer.CheckTimeout] Error removing client from processing queue. Generating Excpetion Log"
);
ExceptionHandler.GenerateExceptionLog(ex);
}
}
else if (client.Status == LoginStatus.Completed)
{
Processing.TryRemove(client.ConnectionId, out oldC);
}
}
/// <summary>
/// Callback for a successful login
/// </summary>
/// <param name="sender">The GpcmClient that is logged in</param>
private void GpcmClient_OnSuccessfulLogin(object sender)
{
// Wrap this in a try/catch
try
{
GpcmClient oldC;
GpcmClient client = sender as GpcmClient;
// Check to see if the client is already logged in, if so disconnect the old user
if (Clients.TryRemove(client.PlayerId, out oldC))
{
oldC.Disconnect(1);
return;
}
// Remove connection from processing
Processing.TryRemove(client.ConnectionId, out oldC);
// Add current client to the dictionary
if (!Clients.TryAdd(client.PlayerId, client))
{
Program.ErrorLog.Write("ERROR: [GpcmServer._OnSuccessfulLogin] Unable to add client to HashSet.");
return;
}
}
catch (Exception E)
{
Program.ErrorLog.Write("ERROR: [GpcmServer._OnSuccessfulLogin] Exception was thrown, Generating exception log.");
ExceptionHandler.GenerateExceptionLog(E);
}
}
/// <summary>
/// When a new connection is established, we the parent class are responsible
/// for handling the processing
/// </summary>
/// <param name="Stream">A GamespyTcpStream object that wraps the I/O AsyncEventArgs and socket</param>
protected override void ProcessAccept(GamespyTcpStream Stream)
{
// Get our connection id
long ConID = Interlocked.Increment(ref ConnectionCounter);
GpcmClient client;
try
{
// Create a new GpcmClient, passing the IO object for the TcpClientStream
client = new GpcmClient(Stream, ConID);
Processing.TryAdd(ConID, client);
// Begin the asynchronous login process
client.SendServerChallenge();
}
catch (Exception e)
{
// Log the error
Program.ErrorLog.Write("WARNING: An Error occured at [GpcmServer.ProcessAccept] : Generating Exception Log");
ExceptionHandler.GenerateExceptionLog(e);
// Remove pending connection
Processing.TryRemove(ConID, out client);
// Release this stream so it can be used again
base.Release(Stream);
}
}
/// <summary>
/// Callback for a successful login
/// </summary>
/// <param name="sender">The GpcmClient that is logged in</param>
private void GpcmClient_OnSuccessfulLogin(object sender)
{
// Wrap this in a try/catch
try
{
GpcmClient oldC;
GpcmClient client = sender as GpcmClient;
// Remove connection from processing
Processing.TryRemove(client.ConnectionId, out oldC);
// Check to see if the client is already logged in, if so disconnect the old user
if (Clients.TryRemove(client.PlayerId, out oldC))
{
oldC.Disconnect(DisconnectReason.NewLoginDetected);
ServerManager.Log("Login Clash: {0} - {1} - {2}", client.PlayerNick, client.PlayerId, client.RemoteEndPoint);
}
// Add current client to the dictionary
if (!Clients.TryAdd(client.PlayerId, client))
{
Program.ErrorLog.Write("ERROR: [GpcmServer._OnSuccessfulLogin] Unable to add client to HashSet.");
}
// Add player to database queue
var status = new PlayerStatusUpdate(client, LoginStatus.Completed);
PlayerStatusQueue.Enqueue(status);
}
catch (Exception E)
{
Program.ErrorLog.Write("ERROR: [GpcmServer._OnSuccessfulLogin] Exception was thrown, Generating exception log.");
ExceptionHandler.GenerateExceptionLog(E);
}
}
/// <summary>
/// Callback for when a connection had disconnected
/// </summary>
/// <param name="client">The client object whom is disconnecting</param>
private void GpcmClient_OnDisconnect(GpcmClient client)
{
// If we are exiting, don't do anything here.
if (Exiting)
{
return;
}
// Remove client, and call OnUpdate Event
try
{
// Remove client from online list
if (Clients.TryRemove(client.PlayerId, out client) && !client.Disposed)
{
client.Dispose();
}
// Add player to database queue
var status = new PlayerStatusUpdate(client, LoginStatus.Disconnected);
PlayerStatusQueue.Enqueue(status);
}
catch (Exception e)
{
Program.ErrorLog.Write("An Error occured at [GpcmServer._OnDisconnect] : Generating Exception Log");
ExceptionHandler.GenerateExceptionLog(e);
}
}
public override bool Equals(object Obj)
{
if (Obj is GpcmClient)
{
GpcmClient Compare = Obj as GpcmClient;
return(Compare.PlayerId == this.PlayerId || Compare.PlayerNick == this.PlayerNick);
}
return(false);
}
/// <summary>
/// Callback for when a connection had disconnected
/// </summary>
/// <param name="client">The client object whom is disconnecting</param>
private void GpcmClient_OnDisconnect(GpcmClient client)
{
// Remove client, and call OnUpdate Event
try
{
// Remove client from online list
if (Clients.TryRemove(client.PlayerId, out client) && !client.Disposed)
{
client.Dispose();
}
}
catch (Exception e)
{
Program.ErrorLog.Write("An Error occured at [GpcmServer._OnDisconnect] : Generating Exception Log");
ExceptionHandler.GenerateExceptionLog(e);
}
}