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samba-mirror/testprogs/win32/npecho/npecho_server2.c

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/*
* Simple Named Pipe Client
* (C) 2005 Jelmer Vernooij <jelmer@samba.org>
* (C) 2009 Stefan Metzmacher <metze@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 = malloc(sizeof(ECHODATA));
BOOL msgmode = FALSE;
DWORD type = 0;
if (argc == 1) {
goto usage;
} else if (argc >= 3) {
if (strcmp(argv[2], "byte") == 0) {
msgmode = FALSE;
} else if (strcmp(argv[2], "message") == 0) {
msgmode = TRUE;
} else {
goto usage;
}
}
if (msgmode == TRUE) {
printf("using message mode\n");
type = PIPE_TYPE_MESSAGE | PIPE_READMODE_MESSAGE | PIPE_WAIT;
} else {
printf("using byte mode\n");
type = PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | PIPE_WAIT;
}
h = CreateNamedPipe(argv[1],
PIPE_ACCESS_DUPLEX,
type,
PIPE_UNLIMITED_INSTANCES,
1024,
1024,
0,
NULL);
if (h == INVALID_HANDLE_VALUE) {
printf("Error opening: %d\n", GetLastError());
return -1;
}
ConnectNamedPipe(h, NULL);
if (!WriteFile(h, ECHODATA, sizeof(ECHODATA), &numread, NULL)) {
printf("Error writing: %d\n", GetLastError());
return -1;
}
if (!WriteFile(h, ECHODATA, sizeof(ECHODATA), &numread, NULL)) {
printf("Error writing: %d\n", GetLastError());
return -1;
}
FlushFileBuffers(h);
DisconnectNamedPipe(h);
CloseHandle(h);
return 0;
usage:
printf("Usage: %s pipename [mode]\n", argv[0]);
printf(" Where pipename is something like \\\\servername\\PIPE\\NPECHO\n");
printf(" Where mode is 'byte' or 'message'\n");
return -1;
}