Question

您好我正在编写一个代码，将Windows客户端连接到Linux服务器套接字。我已经可以建立一个连接，但似乎linux服务器总是在几秒钟之后切断我的连接，而不是发回我需要的响应。此外，我已经尝试使用telnet，但几秒后，linux服务器再次切断了我的连接。

使用Windows套接字连接到Linux服务器套接字是否有问题？

            IPEndPoint remoteEP = new IPEndPoint(IPAddress.Parse("IPADDRESS"), 6004);
            // Create a TCP/IP  socket.
            Socket sender = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);

            // Connect the socket to the remote endpoint. Catch any errors.
            try
            {
                if (!sender.Connected)
                    sender.Connect(remoteEP);

                string data = new Client().Test();

                DE_ISO8583 de = new ISO8583().Parse(data);

                data = data.Length.ToString().PadLeft(4, '0') + data;
                byte[] msg = Encoding.ASCII.GetBytes(data);

                int bytesSent = sender.Send(msg);

                //// Receive the response from the remote device.
                int bytesRec = sender.Receive(bytes);
                Console.WriteLine("Received = {0}",
                    Encoding.ASCII.GetString(bytes, 0, bytesRec));

                //sender.Disconnect(true);

                //sender.Shutdown(SocketShutdown.Both);
                //sender.Close();
            }
            catch (ArgumentNullException ane)
            {
                Console.WriteLine("ArgumentNullException : {0}", ane.ToString());
            }
            catch (SocketException se)
            {
                Console.WriteLine("SocketException : {0}", se.ToString());
            }
            catch (Exception e)
            {
                Console.WriteLine("Unexpected exception : {0}", e.ToString());
            }

Answer 1

由于没有活动，服务器可能正在关闭连接。启用keepalive选项将定期向服务器发送空数据报以保持连接活动。见下面的代码

＆＃13;

            TcpClient client = new TcpClient();
            client.Client.SetSocketOption(SocketOptionLevel.Tcp, SocketOptionName.KeepAlive, true);

＆＃13;

Linux服务器套接字到Windows客户端套接字

1 个答案: