/// <summary>
/// Accept callback method for not SSL connection
/// </summary>
/// <param name="ar">The socket server</param>
private void AcceptCallback(IAsyncResult ar)
{
AbstractSocketServer server = (AbstractSocketServer)ar.AsyncState;
try
{
// Get the socket that handles the client request.
Socket handler = server.listener.EndAccept(ar);
Trace.WriteLine("Start incoming connection ...");
handler.Blocking = true;
AbstractTcpSocketClientHandler clientHandler = this.GetHandler(handler, null);
clientHandler.KeepAlive = this.KeepAlive;
clientHandler.ReceiveMessageEvent += new ReceiveMessageDelegate(server.OnReceiveMessage);
clientHandler.CloseConnectionEvent += new SocketConnectionDelegate(server.clientHandler_CloseConnectionEvent);
// Add the clilent to the client list
server.clientList.AddClient(this.GetClientInfo(clientHandler));
// Notify the connection event
server.OnConnection(clientHandler);
// Start to receive data from this client
clientHandler.StartReceive();
Trace.WriteLine("New connection completed");
}
catch (Exception ex)
{
Trace.WriteLine(string.Format("Failed to accept incoming connection. Exception", ex));
}
finally
{
// Signal the main thread to continue.
server.listenerCompleteConnectionEvent.Set();
}
}
/// <summary>
/// Accept callback method for SSL connection.
/// </summary>
/// <param name="ar">The socket server</param>
private void AcceptSSLCallback(IAsyncResult ar)
{
AbstractSocketServer server = (AbstractSocketServer)ar.AsyncState;
SslStream sslStream = null;
try
{
// Get the socket that handles the client request.
TcpClient sslTcpClient = server.sslListener.EndAcceptTcpClient(ar);
Trace.WriteLine("Start incoming ssl connection ...");
sslStream = new SslStream(sslTcpClient.GetStream(), false, new RemoteCertificateValidationCallback(server.OnVerifyClientCertificate));
sslStream.AuthenticateAsServer(server.serverCertificate, true, SslProtocols.Ssl3, false);
Socket handler = sslTcpClient.Client;
handler.Blocking = true;
AbstractTcpSocketClientHandler clientHandler = this.GetHandler(handler, sslStream);
clientHandler.KeepAlive = this.KeepAlive;
clientHandler.ReceiveMessageEvent += new ReceiveMessageDelegate(server.OnReceiveMessage);
clientHandler.CloseConnectionEvent += new SocketConnectionDelegate(server.clientHandler_CloseConnectionEvent);
server.OnConnection(clientHandler);
server.clientList.AddClient(this.GetClientInfo(clientHandler));
clientHandler.StartReceive();
Trace.WriteLine("New connection completed");
}
catch (Exception ex)
{
Trace.WriteLine(string.Format("Failed to accept incoming connection. Exception", ex));
try
{
if (sslStream != null)
{
sslStream.Close();
sslStream.Dispose();
}
}
catch (Exception ex2)
{
Trace.WriteLine(ex2);
}
}
finally
{
// Signal the main thread to continue.
server.listenerCompleteConnectionEvent.Set();
}
}