#include "stdafx.h"
#include <windows.h>
#include <stdio.h>int _tmain(int argc, _TCHAR* argv[])
{//接受所有安全描述(也就是把管道的连接权限降到最低).SECURITY_ATTRIBUTES sa;SECURITY_DESCRIPTOR sd;if( InitializeSecurityDescriptor(&sd, SECURITY_DESCRIPTOR_REVISION) ){// add a NULL disc. ACL to the security descriptor.if (SetSecurityDescriptorDacl(&sd, TRUE, (PACL) NULL, FALSE)){sa.nLength = sizeof(sa);sa.lpSecurityDescriptor =&sd;sa.bInheritHandle = TRUE;//创建一个命名管道，在windows中\代表zhuan'yi两个\\代表一个\  HANDLE hNamedPipe = CreateNamedPipeA("\\\\.\\pipe\\testName",  PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,  PIPE_TYPE_BYTE, 1, 1024, 1024,0 , &sa);  //检查是否创建成功  if (hNamedPipe == INVALID_HANDLE_VALUE)  {  printf("create named pipe failed!\n");  }  else  Window{  printf("create named pipe success!\n");  }  //异步IO结构  OVERLAPPED op;  ZeroMemory(&op, sizeof(OVERLAPPED));  //创建一个事件内核对象  op.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);  //等待一个客户端进行连接  BOOL b = ConnectNamedPipe(hNamedPipe, &op);  //当有客户端进行连接时，事件变成有信号的状态  if (WaitForSingleObject(op.hEvent, INFINITE) == 0)  {  printf("client connect success!\n");  }  else  {  printf("client connect failed!\n");  }  //连接成功后，进行通信，读写  char  buff[100];  sprintf_s(buff, 100, "test message from server!");  DWORD cbWrite;  WriteFile(hNamedPipe, buff, strlen(buff), &cbWrite, NULL);  ZeroMemory(buff, 100);  ReadFile(hNamedPipe, buff, 100, &cbWrite, NULL);  //通信完之后，断开连接  DisconnectNamedPipe(hNamedPipe);  //关闭管道  CloseHandle(hNamedPipe);  }}system("pause"); return 0;
}

#include "stdafx.h"
#include <windows.h>
#include <stdio.h>  int _tmain(int argc, _TCHAR* argv[])
{//检查命名管道是否存在  BOOL b = WaitNamedPipeA("\\\\.\\pipe\\testName", NMPWAIT_WAIT_FOREVER);  //打开管道  HANDLE hFile = CreateFileA("\\\\.\\pipe\\testName",  GENERIC_READ | GENERIC_WRITE,  0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);  //检查是否连接成功  if (!b || hFile == INVALID_HANDLE_VALUE)  {  printf("connect failed!\n");  }  else  {  printf("connect success!\n");  }  //进行通信  char  buf[100];  ZeroMemory(buf, 100);  DWORD dwRead;  ReadFile(hFile, buf, 100, &dwRead, NULL);  printf(buf);  WriteFile(hFile, "test message for client!", strlen("test message for client!"), &dwRead, NULL);  //关闭管道  CloseHandle(hFile);  system("pause"); return 0;
}