static void do_rolling(const char *channel)
{
strarray_t *folders = NULL;
sync_log_reader_t *slr;
int i;
int r;
slr = sync_log_reader_create_with_channel(channel);
for (;;) {
signals_poll();
if (shutdown_file(NULL, 0))
shut_down(EC_TEMPFAIL);
r = sync_log_reader_begin(slr);
if (r) { /* including IMAP_AGAIN */
usleep(100000); /* 1/10th second */
continue;
}
folders = read_sync_log_items(slr);
if (folders->count) {
/* have some due items in the queue, try to index them */
rx = search_begin_update(verbose);
for (i = 0; i < folders->count; i++) {
const char *mboxname = strarray_nth(folders, i);
if (verbose > 1)
syslog(LOG_INFO, "do_rolling: indexing %s", mboxname);
r = index_one(mboxname, /*blocking*/0);
if (r == IMAP_AGAIN || r == IMAP_MAILBOX_LOCKED) {
/* XXX: alternative, just append to strarray_t *folders ... */
sync_log_channel(channel, "APPEND %s", mboxname);
}
if (sleepmicroseconds)
usleep(sleepmicroseconds);
}
search_end_update(rx);
rx = NULL;
}
strarray_free(folders);
folders = NULL;
}
/* XXX - we don't really get here... */
strarray_free(folders);
sync_log_reader_free(slr);
}
static int do_daemon_work(const char *channel, const char *sync_shutdown_file,
unsigned long timeout, unsigned long min_delta,
int *restartp)
{
int r = 0;
time_t session_start;
time_t single_start;
int delta;
struct stat sbuf;
sync_log_reader_t *slr;
*restartp = RESTART_NONE;
slr = sync_log_reader_create_with_channel(channel);
session_start = time(NULL);
while (1) {
single_start = time(NULL);
signals_poll();
/* Check for shutdown file */
if (sync_shutdown_file && !stat(sync_shutdown_file, &sbuf)) {
unlink(sync_shutdown_file);
break;
}
/* See if its time to RESTART */
if ((timeout > 0) &&
((single_start - session_start) > (time_t) timeout)) {
*restartp = RESTART_NORMAL;
break;
}
r = sync_log_reader_begin(slr);
if (r) {
/* including specifically r == IMAP_AGAIN */
if (min_delta > 0) {
sleep(min_delta);
} else {
usleep(100000); /* 1/10th second */
}
continue;
}
/* Process the work log */
if ((r=do_sync(slr))) {
syslog(LOG_ERR,
"Processing sync log file %s failed: %s",
sync_log_reader_get_file_name(slr), error_message(r));
break;
}
r = sync_log_reader_end(slr);
if (r) break;
delta = time(NULL) - single_start;
if (((unsigned) delta < min_delta) && ((min_delta-delta) > 0))
sleep(min_delta-delta);
}
sync_log_reader_free(slr);
if (*restartp == RESTART_NORMAL) {
r = do_restart();
if (r) {
syslog(LOG_ERR, "sync_client RESTART failed: %s",
error_message(r));
} else {
syslog(LOG_INFO, "sync_client RESTART succeeded");
}
r = 0;
}
return(r);
}
