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Viewing changes to testprogs/win32/npecho/npecho_client.c

  • Committer: Chuck Short
  • Date: 2010-09-28 20:38:39 UTC
  • Revision ID: zulcss@ubuntu.com-20100928203839-pgjulytsi9ue63x1
Initial version

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testprogs/win32/npecho/npecho_client.c
 
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/*
 
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 * Simple Named Pipe Client
 
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 * (C) 2005 Jelmer Vernooij <jelmer@samba.org>
 
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 * Published to the public domain
 
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 */
 
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#include <windows.h>
 
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#include <stdio.h>
 
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#define ECHODATA "Black Dog"
 
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int main(int argc, char *argv[])
 
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{
 
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        HANDLE h;
 
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        DWORD numread = 0;
 
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        char *outbuffer = malloc(strlen(ECHODATA));
 
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        if (argc == 1) {
 
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                printf("Usage: %s pipename\n", argv[0]);
 
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                printf("  Where pipename is something like \\\\servername\\NPECHO\n");
 
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                return -1;
 
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        }
 
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        h = CreateFile(argv[1], GENERIC_READ|GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
 
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        if (h == INVALID_HANDLE_VALUE) {
 
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                printf("Error opening: %d\n", GetLastError());
 
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                return -1;
 
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        }
 
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        if (!WriteFile(h, ECHODATA, strlen(ECHODATA), &numread, NULL)) {
 
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                printf("Error writing: %d\n", GetLastError());
 
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                return -1;
 
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        }
 
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        if (!ReadFile(h, outbuffer, strlen(ECHODATA), &numread, NULL)) {
 
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                printf("Error reading: %d\n", GetLastError());
 
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                return -1;
 
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        }
 
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        printf("Read: %s\n", outbuffer);
 
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        if (!TransactNamedPipe(h, ECHODATA, strlen(ECHODATA), outbuffer, strlen(ECHODATA), &numread, NULL)) {
 
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                printf("TransactNamedPipe failed: %d!\n", GetLastError());
 
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                return -1;
 
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        }
 
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        printf("Result: %s\n", outbuffer);
 
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        return 0;
 
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}