进程间通讯-邮槽服务器与客服端

进程间通讯-邮槽服务器与客服端

服务器端

// MialSlotServer1.cpp : 定义控制台应用程序的入口点。
//服务器端

#include "stdafx.h"
#include 
#define MAX_BUFFER_LEN 256

//int main(int argc,char* argv[])
int main()
{
	HANDLE hSlot;
	char buffer[MAX_BUFFER_LEN];
	DWORD nReadBytes;
	hSlot = CreateMailslot("\\\\.\\Mailslot\\slotSample",0,MAILSLOT_WAIT_FOREVER,NULL);
	if(hSlot==INVALID_HANDLE_VALUE)//注意中英文括号的输入-error C2065: “if（hSlot”: 未声明的标识符
		
	//if(hSlot== INVALID_HANDLE_VALUE)
	{
	  printf("创建邮槽失败。错误代码=%d\n",GetLastError());
	  Sleep(5000);
	  return 0;
	}
	printf("检查邮槽。错误代码=%d，0表示无错误\n等待接受邮槽数据...\n", GetLastError());
		while (ReadFile(hSlot, buffer, MAX_BUFFER_LEN, &nReadBytes, NULL) != 0)
		{
			
			printf("接受到邮槽数据=%.*s\n",nReadBytes,buffer);
		}
//		Sleep(5000);

   return 0;
}

 客服端

// MailSlotClient1.cpp : 定义控制台应用程序的入口点。
//客服端

#include "stdafx.h"
#include "process.h"
#include "Windows.h"


int main()
{
	HANDLE hSlot;
	DWORD dwByteWrite;
	char ComputerName[256];
	char Content[256];
	sprintf(ComputerName,"\\\\.\\Mailslot\\slotSample");
	hSlot = CreateFile(ComputerName,GENERIC_WRITE,FILE_SHARE_READ,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL);
	if (hSlot == INVALID_HANDLE_VALUE)
	{
		printf("创建客户端邮槽失败，错误代码=%d\n",GetLastError());
		return -1;
	}
	sprintf(Content,"我是客户端邮槽，向服务器发送测试数据");
	if (WriteFile(hSlot, Content, strlen(Content), &dwByteWrite, NULL) == 0)
	{
		printf("向邮槽写入数据失败。错误代码=%d\n",GetLastError());
		return -1;
	}
	printf("向邮槽写入%d个字节数据\n",dwByteWrite);
	CloseHandle(hSlot);
	system("pause");
	return 0;



    return 0;
}