为什么在 2 个服务器运行时交替记录消息?

如何解决为什么在 2 个服务器运行时交替记录消息?

问题是:如果你启动2个服务器和1个客户端,并尝试向服务器发送一条消息,那么该消息将发送到第一个启动的服务器,第二条消息发送到第二个启动的服务器,将第三条消息发送给第一条消息,依此类推。我不明白为什么会这样?

服务器

namespace Pipes
{
    public partial class frmMain : Form
    {
        private Int32 PipeHandle;                                                       
        private string PipeName = "\\\\" + Dns.GetHostName() + "\\pipe\\ServerPipe";    
        private Thread t;                                                               
        private bool _continue = true;                                                  

        
        public frmMain()
        {
            InitializeComponent();

            
            PipeHandle = DIS.Import.CreateNamedPipe("\\\\.\\pipe\\ServerPipe",DIS.Types.PIPE_ACCESS_DUPLEX,DIS.Types.PIPE_TYPE_BYTE | DIS.Types.PIPE_WAIT,DIS.Types.PIPE_UNLIMITED_INSTANCES,1024,DIS.Types.NMPWAIT_WAIT_FOREVER,(uint)0);

            
            this.Text += "     " + PipeName;
            
            
            t = new Thread(ReceiveMessage);
            t.Start();
        }

        private void ReceiveMessage()
        {
            string msg = "";            
            uint realBytesReaded = 0;   

            
            while (_continue)
            {
                if (DIS.Import.ConnectNamedPipe(PipeHandle,0))
                {
                    byte[] buff = new byte[1024];                                           
                    DIS.Import.FlushFileBuffers(PipeHandle);                                
                    DIS.Import.ReadFile(PipeHandle,buff,ref realBytesReaded,0);    
                    msg = Encoding.Unicode.GetString(buff);                                 
                    rtbMessages.Invoke((MethodInvoker)delegate
                    {
                        if (msg != "")
                            rtbMessages.Text += "\n >> " + msg;                             
                    });

                    DIS.Import.DisconnectNamedPipe(PipeHandle);                             
                    Thread.Sleep(500);                                                      
                }
            }
        }

        private void frmMain_FormClosing(object sender,FormClosingEventArgs e)
        {
            _continue = false;      

            if (t != null)
                t.Abort();          

            if (PipeHandle != -1)
                DIS.Import.CloseHandle(PipeHandle);     
        }
    }
}

客户

namespace Pipes
{
    public partial class frmMain : Form
    {
        private Int32 PipeHandle;  

        
        public frmMain()
        {
            InitializeComponent();
            this.Text += "     " + Dns.GetHostName();   
        }

        private void btnSend_Click(object sender,EventArgs e)
        {
            uint BytesWritten = 0;  
            byte[] buff = Encoding.Unicode.GetBytes(Dns.GetHostName().ToString() + " >> " + tbMessage.Text);    

            
            PipeHandle = DIS.Import.CreateFile(tbPipe.Text,DIS.Types.EFileAccess.GenericWrite,DIS.Types.EFileShare.Read,DIS.Types.ECreationDisposition.OpenExisting,0);
            DIS.Import.WriteFile(PipeHandle,Convert.ToUInt32(buff.Length),ref BytesWritten,0);         
            DIS.Import.CloseHandle(PipeHandle);                                                                 
        }
    }
}

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