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/* ce-createpipe.c - Test the W32CE CreatePipe implementation.
Copyright (C) 2010 Free Software Foundation, Inc.
This file is part of Assuan.
Assuan is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 3 of
the License, or (at your option) any later version.
Assuan is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <errno.h>
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include "common.h"
#include "../src/assuan.h" /* We need the CreatePipe prototype. */
static DWORD
reader_thread (void *arg)
{
HANDLE hd = arg;
DWORD nread;
char buffer[16];
for (;;)
{
if (!ReadFile (hd, buffer, sizeof buffer, &nread, FALSE))
{
log_error ("reader: ReadFile failed: rc=%d\n", (int)GetLastError ());
break;
}
log_info ("reader: read %d bytes\n", (int)nread);
log_printhex ("got: ", buffer, nread);
}
log_info ("reader: finished\n");
CloseHandle (hd);
return 0;
}
static DWORD
writer_thread (void *arg)
{
HANDLE hd = arg;
DWORD nwritten;
int i = 0;
int j;
char buffer[20];
int count;
for (count=0; count < 30; count++)
{
for (j=0; j < sizeof buffer; j++)
buffer[j] = i++;
if (!WriteFile (hd, buffer, sizeof buffer, &nwritten, NULL))
{
log_error ("writer: WriteFile failed: rc=%d\n", (int)GetLastError ());
break;
}
if (nwritten != sizeof buffer)
log_info ("writer: wrote only %d bytes\n", (int)nwritten);
}
log_info ("writer: finished\n");
CloseHandle (hd);
return 0;
}
static void
run_test (void)
{
HANDLE hd[2];
HANDLE threads[2];
if (!CreatePipe (&hd[0], &hd[1], NULL, 0))
{
log_error ("CreatePipe failed: rc=%d\n", (int)GetLastError ());
return;
}
log_info ("pipe created read=%p write=%p\n", hd[0], hd[1]);
threads[0] = CreateThread (NULL, 0, reader_thread, hd[0], 0, NULL);
if (!threads[0])
log_fatal ("error creating reader thread: rc=%d\n", (int)GetLastError ());
else
log_info ("reader thread created\n");
threads[1] = CreateThread (NULL, 0, writer_thread, hd[1], 0, NULL);
if (!threads[0])
log_fatal ("error creating writer thread: rc=%d\n", (int)GetLastError ());
else
log_info ("writer thread created\n");
switch (WaitForMultipleObjects (2, threads, FALSE, INFINITE))
{
case WAIT_OBJECT_0:
log_info ("reader thread finished first\n");
break;
case WAIT_OBJECT_0 + 1:
log_info ("writer thread finished first\n");
break;
default:
log_error ("WFMO failed: rc=%d\n", (int)GetLastError ());
break;
}
CloseHandle (threads[0]);
CloseHandle (threads[1]);
}
/*
M A I N
*/
int
main (int argc, char **argv)
{
int last_argc = -1;
if (argc)
{
log_set_prefix (*argv);
argc--; argv++;
}
while (argc && last_argc != argc )
{
last_argc = argc;
if (!strcmp (*argv, "--help"))
{
printf ("usage: %s [options]\n"
"\n"
"Options:\n"
" --verbose Show what is going on\n",
log_get_prefix ());
exit (0);
}
if (!strcmp (*argv, "--verbose"))
{
verbose = 1;
argc--; argv++;
}
else if (!strcmp (*argv, "--debug"))
{
verbose = debug = 1;
argc--; argv++;
}
}
run_test ();
return errorcount ? 1 : 0;
}
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