Пример #1
0
        /// <summary>
        /// Called when a connection is accepted.
        /// </summary>
        private void OnAccept(object sender, SocketAsyncEventArgs args)
        {
            var sock = args.AcceptSocket;
            if (!sock.Connected)
                return;

            // Wrap stuff in a try block, in case the socket is disposed of.
            try
            {
                var accept = true;

                // Do we accept multiple connections from the same address?
                if (!AllowMultipleConnections)
                    lock (_clients)
                        accept = _clients.All(cl => !cl.EndPoint.Equals(sock.RemoteEndPoint.ToIPEndPoint()));

                if (!accept)
                {
                    _log.Warn("Disconnecting client from {0}; already connected.", sock.RemoteEndPoint);

                    sock.Shutdown(SocketShutdown.Both);
                    sock.Disconnect(false);
                    sock.Close();
                }
                else
                {
                    // Add the client and thus start receiving.
                    var client = new TcpClient(sock, this, _propagator);
                    client.AddPermission(new ConnectedPermission());
                    AddClient(client);
                }
            }
            catch (Exception ex)
            {
                if (ex is SocketException)
                    ExceptionManager.RegisterException(ex);

                if (!(ex is ObjectDisposedException))
                    throw;

                throw;
            }

            // Continue accepting with the event args we were using before.
            Accept(args);
        }