void
notify_progress (uint64_t position, uint64_t total)
{
struct timeval now_t;
int64_t last_us, now_us, elapsed_us;
gettimeofday (&now_t, NULL);
/* Always send a notification at 100%. This simplifies callers by
* allowing them to 'finish' the progress bar at 100% without
* needing special code.
*/
if (count_progress > 0 && position == total) {
notify_progress_no_ratelimit (position, total, &now_t);
return;
}
/* Calculate time in microseconds since the last progress message
* was sent out (or since the start of the call).
*/
last_us =
(int64_t) last_progress_t.tv_sec * 1000000 + last_progress_t.tv_usec;
now_us = (int64_t) now_t.tv_sec * 1000000 + now_t.tv_usec;
elapsed_us = now_us - last_us;
/* Rate limit. */
if ((count_progress == 0 && elapsed_us < NOTIFICATION_INITIAL_DELAY) ||
(count_progress > 0 && elapsed_us < NOTIFICATION_PERIOD))
return;
notify_progress_no_ratelimit (position, total, &now_t);
}
/* Generate progress notification messages in order to test progress bars. */
static char *
debug_progress (const char *subcmd, size_t argc, char *const *const argv)
{
uint64_t secs, rate = 0;
char *ret;
if (argc < 1) {
error:
reply_with_error ("progress: expecting one or more args: time in seconds [, rate in microseconds]");
return NULL;
}
if (sscanf (argv[0], "%" SCNu64, &secs) != 1)
goto error;
if (secs == 0 || secs > 1000000) { /* RHBZ#816839 */
reply_with_error ("progress: argument is 0, less than 0, or too large");
return NULL;
}
if (argc >= 2) {
if (sscanf (argv[1], "%" SCNu64, &rate) != 1)
goto error;
if (rate == 0 || rate > 1000000) {
reply_with_error ("progress: rate is 0 or too large");
return NULL;
}
}
/* Note the inner loops go to '<= limit' because we want to ensure
* that the final 100% completed message is set.
*/
if (rate == 0) { /* Ordinary rate-limited progress messages. */
uint64_t tsecs = secs * 10; /* 1/10ths of seconds */
uint64_t i;
for (i = 1; i <= tsecs; ++i) {
usleep (100000);
notify_progress (i, tsecs);
}
}
else { /* Send messages at a given rate. */
uint64_t usecs = secs * 1000000; /* microseconds */
uint64_t i;
struct timeval now;
for (i = rate; i <= usecs; i += rate) {
usleep (rate);
gettimeofday (&now, NULL);
notify_progress_no_ratelimit (i, usecs, &now);
}
}
ret = strdup ("ok");
if (ret == NULL) {
reply_with_perror ("strdup");
return NULL;
}
return ret;
}
