int
client_process(Configuration *config)
{
DataPack standartMessage;
if (convert_message_to_datapack(messageString,sizeof(messageString),&standartMessage))
{
fputs("Client: Failed to create standart message\n", stderr);
config->work = 0;
kill(0, SIGTERM);
return -1;
}
DEBUGMSG("Starting server wait");
if (wait(config->outputDevice))
{
config->work = 0;
puts("Test FAILED");
kill(0, SIGTERM);
return -1;
}
DEBUGMSG("Starting transfere");
if(read_and_compare(config->outputDevice, &standartMessage))
{
puts("Test COM - FAILED");
config->work = 0;
kill(0, SIGTERM);
return -1;
}
config->work = 0;
puts("client process - OK");
return 0;
}
int main (int argc, char **argv)
{
unsigned long i, j;
int fd;
char *buf, *read_buf, *mmap_buf, *filename = "/dev/asgn1";
int nproc = 12345;
srandom (getpid ());
if (argc > 1)
filename = argv[1];
if ((fd = open (filename, O_RDWR)) < 0) {
fprintf (stderr, "open of %s failed: %s\n", filename,
strerror (errno));
exit (1);
}
assert(buf = malloc(SIZE));
for (i = 0; i < SIZE; i++) {
buf[i] = random() % 256;
}
if (SIZE != my_fwrite(fd, buf, SIZE)) {
fprintf (stderr, "write problem: %s\n", strerror (errno));
exit(1);
}
#if 0
/* have the driver tell us the buffer size */
if (ioctl (fd, MMAP_DEV_CMD_GET_BUFSIZE, &len) < 0) {
fprintf (stderr, "ioctl failed: %s\n", strerror (errno));
exit (1);
}
printf ("driver's ioctl says buffer size is %ld\n", len);
#endif
assert(read_buf = malloc(SIZE));
mmap_buf = mmap (NULL, SIZE, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
if (mmap_buf == (char *)MAP_FAILED) {
fprintf (stderr, "mmap of %s failed: %s\n", filename,
strerror (errno));
exit (1);
}
printf ("mmap succeeded: %p\n", mmap_buf);
(void)lseek (fd, 0, SEEK_SET);
read_and_compare (fd, buf, mmap_buf, SIZE);
printf ("comparison of same data via read() and mmap() successful\n");
/* Change one randomly chosen byte in the mmap region */
j = random () % SIZE;
*(mmap_buf + j) = random () % j;
printf ("modified mmap_buf\n");
/* repeat the read-back comparison. */
(void)lseek (fd, 0, SEEK_SET);
read_and_compare (fd, read_buf, mmap_buf, SIZE);
printf ("comparison of modified data via read() and mmap() successful\n");
(void)lseek (fd, 0, SEEK_SET);
if (ioctl (fd, ASGN1_SET_NPROC, &nproc) < 0) {
fprintf (stderr, "ioctl failed: %s\n", strerror (errno));
exit (1);
}
printf("nproc set to %d\n", nproc);
return 0;
}
static void
fork_and_wait (int argc,
const char **argv,
unsigned int timeout_usec,
int do_events,
int expect_ok,
int kill_child,
const char * output,
const char * error)
{
pid_t pid;
int stdout_fd[2];
int stderr_fd[2];
int ret = 0;
/* open a socketpair for stdout */
ret = socketpair (AF_UNIX, SOCK_STREAM, 0, stdout_fd);
MY_ASSERT (ret == 0);
/* open a socketpair for stderr */
ret = socketpair (AF_UNIX, SOCK_STREAM, 0, stderr_fd);
MY_ASSERT (ret == 0);
pid = fork ();
MY_ASSERT (pid >= 0);
if (pid == 0)
{
/* child */
int ret = 0;
/* close stdin */
ret = close (0);
MY_ASSERT (ret == 0);
/* close then duplicate stdout and stderr */
ret = close (stdout_fd[1]);
MY_ASSERT ( ret == 0);
ret = close (stderr_fd[1]);
MY_ASSERT ( ret == 0);
ret = dup2 (stdout_fd[0], 1);
MY_ASSERT ( ret != -1);
ret = dup2 (stderr_fd[0], 2);
MY_ASSERT ( ret != -1);
ret = lwes_event_testing_emitter_main (argc, (char **) argv);
exit (ret);
}
else
{
/* parent */
int status;
pid_t child;
int ret = 0;
ret = close (stdout_fd[0]);
MY_ASSERT (ret == 0);
ret = close (stderr_fd[0]);
MY_ASSERT (ret == 0);
if (do_events)
{
usleep (timeout_usec);
generate_events ();
usleep (10 * timeout_usec);
if (kill_child)
{
kill (pid, SIGINT);
}
}
read_and_compare (output, stdout_fd[1]);
read_and_compare (error, stderr_fd[1]);
/* wait for the child to end */
child = wait (&status);
MY_ASSERT (child == pid);
ret = (WEXITSTATUS (status) == 0);
MY_ASSERT (ret == expect_ok);
(void) expect_ok;
ret = close (stdout_fd[1]);
MY_ASSERT (ret == 0);
ret = close (stderr_fd[1]);
MY_ASSERT (ret == 0);
}
}
