程序間通訊-匿名管道用戶端與伺服器端-示範代碼

程序間通訊-匿名管道用戶端與伺服器端-示範代碼

用戶端

// PipeClientSample.cpp : 定義控制台應用程式的入口點。
//txwtech

#include "stdafx.h"
//#include <iostream.h>
#include <iostream>
using namespace std;


int main()
{
	cout<< "這裡是pipeClientSample的标準輸出\r\n" << endl;
	cerr << "這裡是pipeClientSample的錯誤輸出111\r\n" << endl;
	//system("pause");

    return 0;//
}
           

伺服器端

void CPipeServerSampleDlg::OnBnClickedButtonConnect()
{
	// TODO: 在此添加控件通知處理程式代碼
	SECURITY_ATTRIBUTES sa;
	HANDLE hRead, hWrite;
	sa.nLength = sizeof(SECURITY_ATTRIBUTES);
	sa.lpSecurityDescriptor = NULL;
	sa.bInheritHandle = TRUE;
	if (!CreatePipe(&hRead, &hWrite, &sa, 0))
	{
		//m_Log = "調用CreateProcess建立程序失敗";
		m_Log = "調用CreatePipe函數建立匿名管道失敗";
		UpdateData(FALSE);
		return;
	}
	STARTUPINFO si;
	PROCESS_INFORMATION pi;
	si.cb = sizeof(STARTUPINFO);
	GetStartupInfo(&si);
	si.hStdError = hWrite;
	//si.hStdInput = hWrite;
	si.hStdOutput = hWrite;
	si.wShowWindow = SW_HIDE;
	si.dwFlags = STARTF_USESHOWWINDOW | STARTF_USESTDHANDLES;
	//if (!CreateProcess(NULL, "PipeClientSample", NULL, NULL, TRUE, NULL, NULL, NULL, &si, &pi))
	if (!CreateProcess(NULL, "PipeClientSample", NULL// PipeClientSample.exe在項目的相同檔案夾下面
		, NULL, TRUE, NULL, NULL, NULL, &si, &pi))
	{
		m_Log = "調用CreateProcess建立程序失敗";//PipeClientSample.exe沒有在項目的相同檔案夾下面，就會失敗
		UpdateData(FALSE);
		return;
	}
	CloseHandle(hWrite);
	char buffer[4096] = { 0 };
	DWORD dwByteReads;
	while (true)
	{
		if (ReadFile(hRead, buffer, 4095, &dwByteReads, NULL) == NULL)
			break;
		m_Log += buffer;
		UpdateData(FALSE);
		Sleep(1000);
	}
}