一個完整的NamedPipe分為服務器和客戶端.服務器要先運行,客戶端才能正常運行.所以先寫服務器.

代碼如下:

// namedpipe01server.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <windows.h>
#include <stdio.h>
#include <conio.h>

const char* sPipeName = ".//pipe//HolgersTracer";

int main(int argc, char* argv[])
{
?HANDLE hPipe = CreateNamedPipe(sPipeName, PIPE_ACCESS_INBOUND, PIPE_TYPE_BYTE | PIPE_WAIT, PIPE_UNLIMITED_INSTANCES, 0, 0, 200, NULL);
?if (!ConnectNamedPipe(hPipe, NULL))
??return 0;
?printf("Pipe created./r/n");

?DWORD nReaded = 0;
?char buffer[512];
?while (ReadFile(hPipe, buffer, sizeof(buffer)-1, &nReaded, NULL))
?{
??buffer[nReaded] = 0;
??printf(buffer);
??printf("/r/n");
?}
?printf("Press any key to continue/r/n");
?getch();
?return 0;
}

運行服務器后,接下來是寫客戶端.

代碼如下:

// namedpipe01.cpp : Defines the entry point for the console application.
//

#include <conio.h>
#include <windows.h>
#include <stdio.h>

char* sPipeName = ".//pipe//HolgersTracer";
char sbuf[8] = "1234567";

int main()
{
?HANDLE hPipe = NULL;
?hPipe = CreateFile(sPipeName, GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);

?if (hPipe == INVALID_HANDLE_VALUE)
?{
??printf("Error creating./r/n");
??return 0;
?}
?DWORD nWritten = 0;
?if (WriteFile(hPipe, (BYTE*)sbuf, 8, &nWritten, NULL) == FALSE)
?{
??printf("Error writing./r/n");
??return 0;
?}
?printf("Completed./r/n");
}

本人雖然從事開發多年,但對新技術很感興趣,如果有錯誤,敬請指出,萬分感激.

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E-mail:cyin8@126.com

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