如何使命名管道在c ++和.NET之间工作？ [英] How do I make named pipes work between c++ and .NET?

问题描述

我刚刚有一个非常艰难的时候使命名管道工作之间的c + +和.NET。
创建命名管道在2个c ++应用程序或2个.NET应用程序之间工作没有问题。

I just had a really tough time making Named Pipes work between c++ and .NET. I had no problems creating Named Pipes that worked between 2 c++ apps, or between 2 .NET apps.

推荐答案

我没有这个通信的问题，我在一些项目中使用这种情况。

I dont have problem with this communication, i use this scenario in some project.

C ++端：

LPTSTR lpszPipename = TEXT("\\\\.\\pipe\\pipename");
CHAR chReadBuf[1024];
DWORD cbRead;
BOOL fResult;  

fResult = CallNamedPipe( 
    lpszPipename,          // pipe name 
    _Message,              // message to server 
    strlen(_Message),      // message length 
    chReadBuf,             // buffer to receive reply 
    sizeof(chReadBuf),     // size of read buffer 
    &cbRead,               // number of bytes read 
    NMPWAIT_WAIT_FOREVER); // wait;-) 

在C＃端：

    public string GetMessageFromPipe()
    {
        int _lenght = 0;

        /*
         * Pipe Control Block
         */
        _pipeserver.WaitForConnection();

        do
        {
            _lenght += _pipeserver.Read(_buffer, _lenght, _buffer.Length);
        }
        while (!_pipeserver.IsMessageComplete);

        _pipeserver.Disconnect();
        /*
         * End of Pipe Control Block
         */

        if (_lenght == 0)
        {
            throw new ArgumentException("Message is empty ;-(");
        }

        return Encoding.UTF8.GetString(_buffer, 0, _lenght);
    }

管道创建：

_pipeserver = new NamedPipeServerStream("pipename",
  PipeDirection.InOut, 254, PipeTransmissionMode.Message,
  PipeOptions.Asynchronous, 262144, 262144);

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