tcpclient 相关问题

.NET Framework类，为TCP网络服务提供客户端连接。

兰多姆system.net.sockets.socketException：操作取消

c# .net sockets tcpclient

回答 1 投票 0

我如何收到对单个TCP/IP请求的多个回复？我正在使用我通过TCP/IP连接进行通信的第三方设备。根据供应商提供的手册，当我发送到运行命令时，该工具是启动的（

SIC_Marking_Tool_Command = command; lblCommandSent.Text = command; #region "Set SIC_Marking_Tool_URI" TcpClient PostMarkingRequestTcpClient = new TcpClient(); PostMarkingRequestTcpClient.Connect("192.168.50.221", 65535); #endregion // Get a client stream for reading and writing. NetworkStream stream = PostMarkingRequestTcpClient.GetStream(); // Translate the passed message into ASCII and store it as a Byte array. Byte[] PostMarkingRequestByteArray = System.Text.Encoding.ASCII.GetBytes("RUN\r\n"); // SIC_Marking_Tool_Command); // Send the message to the connected TcpServer. stream.Write(PostMarkingRequestByteArray, 0, PostMarkingRequestByteArray.Length); // Buffer to store the response bytes. Byte[] PostMarkingResponsed = new Byte[256]; // String to store the response ASCII representation. String responseData = String.Empty; // Read response bytes. Int32 PostMarkingResponsedBytes = stream.Read(PostMarkingResponsed, 0, PostMarkingResponsed.Length); rtbResponses.Text = string.Empty; rtbResponses.Text = Encoding.ASCII.GetString(PostMarkingResponsed, 0, PostMarkingResponsedBytes); int databytes = stream.Read(PostMarkingResponsed, 0, PostMarkingResponsed.Length); #region "wait for test results" if ((int)cbCommand.SelectedIndex == (int)enum_commands.enum_Run) { // Read response bytes. PostMarkingResponsedBytes = stream.Read(PostMarkingResponsed, 0, PostMarkingResponsed.Length); rtbResponses.Text = "\r\n " + rtbResponses.Text + Encoding.ASCII.GetString(PostMarkingResponsed, 0, PostMarkingResponsedBytes); } #endregion Here an the image of my simple POC client [![TCP IP Client Showing the response info received][1]][1] The tool manufacture communication protocol manual states that the following: [![The tool manufacture communication protocol manual states that the following][2]][2] [1]: https://i.sstatic.net/DK6WeP4E.png [2]: https://i.sstatic.net/3GsmE0Ml.png Please see the code below that demonstrates how I handled receiving the multiple response messages. I would be appreciative if anyone has recommendation on how to do things a better way. Would like to thank Marc. I read the linked articles that helped my grasp some of the basic things I was missing. Here's My code: #region "wait for test results" if ((int)cbCommand.SelectedIndex == (int)enum_commands.enum_Run) { string CMDResponse1 = string.Empty; int MarkingResponseBytes = 0; bool ACK_Received = false; //Acknowledge bool DC4_Received = false; //Device Control 4 bool ENQ_Received = false; //Enquiry Transmission bool EOT_Received = false; //End of Transmission bool NAK_Received = false; //Negative Acknowledge while (!NAK_Received && !ENQ_Received) { Byte[] MarkingResponse = new Byte[256]; MarkingResponseBytes = stream.Read(MarkingResponse, 0, MarkingResponse.Length); Thread.Sleep(500); var markresponse = Encoding.ASCII.GetString(MarkingResponse, 0, MarkingResponseBytes); #region "RUN OK response received" if (markresponse.Contains("RUN OK")) { ACK_Received = true; rtbResponses.Text = Encoding.ASCII.GetString(MarkingResponse, 0, MarkingResponseBytes); } #endregion #region "P response received" if (Encoding.ASCII.GetString(MarkingResponse, 0, MarkingResponseBytes).ToLower() == "p") { rtbResponses.Text = rtbResponses.Text + "\n" + Encoding.ASCII.GetString(MarkingResponse, 0, MarkingResponseBytes); } #endregion #region "EOT Repsonse Received" if (markresponse.Contains("\u0004")) { EOT_Received = true; rtbResponses.Text = rtbResponses.Text + "\n" + "End of Transmission (EOT) response received."; } #endregion #region "ENQ Repsonse Received" if (markresponse.Contains("\u0005")) { ENQ_Received = true; rtbResponses.Text = rtbResponses.Text + "\n" + "Enquiry Transmission (ENQ) response received."; } #endregion #region "DC4 Response Received" if (markresponse.Contains("\u0014")) { DC4_Received = true; rtbResponses.Text = rtbResponses.Text + "Device Control 4 (DC4) response received."; } #endregion #region "NAK Response Recieved" if (markresponse.Contains("\u0015")) { NAK_Received = true; rtbResponses.Text = rtbResponses.Text + "\nNegative Acknowledgement (NAK) response received." + "\nMarking out of bounds"; } #endregion } } #endregion #region "Read normal command response bytes" else { Byte[] CommandResponse = new Byte[256]; CommandResponseBytes = stream.Read(CommandResponse, 0, CommandResponse.Length); rtbResponses.Text = Encoding.ASCII.GetString(CommandResponse, 0, CommandResponseBytes); } #endregion

c# http tcp tcpclient

回答 0 投票 0

我看过多个论坛，并且阅读了很多文档，但我看来它可以正常工作。我使用的是“ 127.0.0.1”（使用本地计算机IP进行测试），并使用可用端口，以便它可以连接到同一件事。我对NetCode非常陌生，因此将不胜感激的任何帮助和/或建议。

c# network-programming tcp tcpclient tcplistener

回答 1 投票 0

ggstreamer创建RTP流

我想使用GSTREAMER包装和流式传输H264视频帧。 UDP方法成功了，但是TCP方法不起作用。我的问题是什么？这是RTP客户端程序。以下是CO ...

udp gstreamer tcpclient rtp

回答 1 投票 0

建立连接后客户端立即断开连接

输出我被要求在 TCP 服务器/客户端情况下的先前项目中实现一个纸牌游戏（加载和保存无法按预期运行，但这不应影响连接）。 ...

c tcp tcpclient ipv4 tcpserver

回答 1 投票 0

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我有一个 C# 控制台应用程序，我正在尝试实现 TCP 打孔。我需要监听本地端口并同时（同时/异步）连接到 2 个不同的远程...

c# sockets tcp tcpclient tcplistener

回答 2 投票 0

有没有办法用C#模拟SQL Server？

我想创建一个模拟的 SQL 服务器，给它一个日志文件来模拟。我不想处理一个完整的 Sql 服务器，我必须在其中输入虚拟数据，但是一个简单的脚本（日志）猴子 u...

sql-server testing simulation tcpclient

回答 1 投票 0

如何使用gstreamer从实时视频方法tcpclientsrc application/x-rtp-stream编码JPEG视频流录制到文件？

我使用 Gstreamer 处理实时摄像机视频流，并通过 tcpserversink、jpegenc、rtpjpegpay 和 rtpstreampay 发送。我在开放广播工作室使用 Gstreamer 接收此工作：

stream gstreamer mp4 tcpclient matroska

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证书吊销和 CRL 状态未知

我需要帮助来了解如何配置以及证书吊销在 Windows 中的实际工作原理。我正在测试一种场景，其中我有一个自签名证书，该证书将是根 CA 的证书，

c# x509certificate tcpclient tcplistener certificate-revocation

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NS3套接字编程

#include“ns3/applications-module.h” #include“ns3/core-module.h” #include“ns3/csma-module.h” #include“ns3/internet-module.h” #include“ns3/网络模块.h” #include“ns3/socket.h” #包括<

c++ python-3.x sockets tcpclient ns-3

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C 语言 TCP/IP 编程

我明天有一场 TCP/IP 编程考试。以下是本文之前的问题之一。编写并运行客户端和服务器程序。在 UNIX 中使用 C 语言，正在关注

c tcp tcpclient

回答 5 投票 0

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我有一个用Delphi编写的服务器进程，它已经投入生产好几年了。它使用 TidCmdTcpServer 与客户端通信（也是用 Delphi 编写并使用

iphone ipad delphi tcpclient tcpserver

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TcpClient：如何关闭并重新连接？

您好，感谢您的帮助。这次想问一下TcpClient的问题。我有一个服务器程序，我正在编写一个客户端程序。该客户端使用TcpClient。首先创建一个新的 cl...