服务器和客户第一条消息 [英] server & client first message

问题描述

你好

我有服务器会在客户端第一次连接到服务器时从客户端接收消息
但是客户端可能不会将消息发送到服务器

我该如何处理如何使服务器决定它是否接收来自客户端的消息"?

这是代码
和"if语句"
中的问题 我应该在if语句中写什么?????

hello

I have server will receive message from client at first time the client connect to the server
but may the client not send the message to the server

how can I handling this " how can I make the server decide if it receive or not receive message from client " ?

this is the code
and the problem in " if statement "
what should I write in the if statement ?????

IPAddress localAddr = IPAddress.Parse("127.0.0.1");

            TcpSer = new TcpListener(localAddr, Int32.Parse(Port.Text));
            TcpSer.Start();

            
                // Keep on accepting Client Connection
                while (true)
                {

                    if (/* received message  */ )
                    {
                    Thread rsvmsg =new Thread(new parameterizedThreadStart(RsvMsg));
                    // New Client connected, call Event to handle it.
                    Thread t = new Thread(new ParameterizedThreadStart(NewClient));
                    
                    TcpCli = TcpSer.AcceptTcpClient();
                    rsvmsg.Start(TcpCli);
                    t.Start(TcpCli);
                    
                    }

                    else
                    {
                    // New Client connected, call Event to handle it.
                    Thread t = new Thread(new ParameterizedThreadStart(NewClient));
                    
                    TcpCli = TcpSer.AcceptTcpClient();
                    t.Start(TcpCli);
                   
                    }

在此先感谢

thanks in advance

推荐答案

这个项目是一个很好的例子

多线程聊天服务器 [

this project is a good sample

Multithreaded Chat Server[^]

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