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/*
* Simple Named Pipe Client
* (C) 2005 Jelmer Vernooij <jelmer@samba.org>
* Published to the public domain
*/
#include <windows.h>
#include <stdio.h>
#define ECHODATA "Black Dog"
int main(int argc, char *argv[])
{
HANDLE h;
DWORD numread = 0;
char outbuffer[512];
if (argc == 1) {
printf("Usage: %s pipename\n", argv[0]);
printf(" Where pipename is something like \\\\servername\\NPECHO\n");
return -1;
}
h = CreateFile(argv[1], GENERIC_READ|GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
if (h == INVALID_HANDLE_VALUE) {
printf("Error opening: %d\n", GetLastError());
return -1;
}
if (!WriteFile(h, ECHODATA, strlen(ECHODATA), NULL, NULL)) {
printf("Error writing: %d\n", GetLastError());
return -1;
}
if (!ReadFile(h, outbuffer, strlen(ECHODATA), NULL, NULL)) {
printf("Error reading: %d\n", GetLastError());
return -1;
}
printf("Read: %s\n", outbuffer);
if (!TransactNamedPipe(h, ECHODATA, strlen(ECHODATA), outbuffer, strlen(ECHODATA), &numread, NULL)) {
printf("TransactNamedPipe failed: %d!\n", GetLastError());
return -1;
}
printf("Result: %s\n", outbuffer);
return 0;
}
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