Exemplo n.º 1
0
 // This method is invoked when an asynchronous send operation completes.
 // The method issues another receive on the socket to read any additional
 // data sent from the client
 //
 // <param name="e"></param>
 private void ProcessSend(SocketAsyncEventArgs e)
 {
     if (e.SocketError == SocketError.Success)
     {
         // done echoing data back to the client
         AsyncUserToken token = (AsyncUserToken)e.UserToken;
         // read the next block of data send from the client
         bool willRaiseEvent = token.Socket.ReceiveAsync(e);
         if (!willRaiseEvent)
         {
             ProcessReceive(e);
         }
     }
     else
     {
         CloseClientSocket(e);
     }
 }
Exemplo n.º 2
0
        private void CloseClientSocket(SocketAsyncEventArgs e)
        {
            AsyncUserToken token = e.UserToken as AsyncUserToken;

            // close the socket associated with the client
            try
            {
                token.Socket.Shutdown(SocketShutdown.Send);
            }
            // throws if client process has already closed
            catch (Exception) { }
            token.Socket.Close();

            // decrement the counter keeping track of the total number of clients connected to the server
            Interlocked.Decrement(ref m_numConnectedSockets);
            m_maxNumberAcceptedClients.Release();
            Console.WriteLine("A client has been disconnected from the server. There are {0} clients connected to the server", m_numConnectedSockets);

            // Free the SocketAsyncEventArg so they can be reused by another client
            m_readWritePool.Push(e);
        }