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freetdm: fix serious mem leak in R2 module iterator usage

This commit is contained in:
Moises Silva 2010-12-10 06:52:04 -05:00
parent 499eafb2e0
commit 002181e143
1 changed files with 22 additions and 12 deletions
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34
libs/freetdm/src/ftmod/ftmod_r2/ftmod_r2.c
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@ -1644,6 +1644,7 @@ static void *ftdm_r2_run(ftdm_thread_t *me, void *obj)
int index = 0;
struct timeval start, end;
ftdm_iterator_t *chaniter = NULL;
ftdm_iterator_t *citer = NULL;
uint32_t txqueue_size = 4;
short *poll_events = ftdm_malloc(sizeof(short) * span->chan_count);
@ -1654,8 +1655,12 @@ static void *ftdm_r2_run(ftdm_thread_t *me, void *obj)
ftdm_log(FTDM_LOG_DEBUG, "OpenR2 monitor thread %lu started.\n", r2data->monitor_thread_id);
r2chan = NULL;
chaniter = ftdm_span_get_chan_iterator(span, NULL);
for (i = 1; chaniter; chaniter = ftdm_iterator_next(chaniter), i++) {
ftdmchan = ftdm_iterator_current(chaniter);
if (!chaniter) {
ftdm_log(FTDM_LOG_CRIT, "Failed to allocate channel iterator for span %s!\n", span->name);
goto done;
}
for (i = 1, citer = chaniter; citer; citer = ftdm_iterator_next(citer), i++) {
ftdmchan = ftdm_iterator_current(citer);
r2chan = R2CALL(ftdmchan)->r2chan;
openr2_chan_set_span_id(r2chan, span->span_id);
openr2_chan_set_idle(r2chan);
@ -1694,9 +1699,13 @@ static void *ftdm_r2_run(ftdm_thread_t *me, void *obj)
/* figure out what event to poll each channel for. POLLPRI when the channel is down,
* POLLPRI|POLLIN|POLLOUT otherwise */
memset(poll_events, 0, sizeof(short)*span->chan_count);
chaniter = ftdm_span_get_chan_iterator(span, chaniter);
for (i = 0; chaniter; chaniter = ftdm_iterator_next(chaniter), i++) {
ftdmchan = ftdm_iterator_current(chaniter);
citer = ftdm_span_get_chan_iterator(span, chaniter);
if (!citer) {
ftdm_log(FTDM_LOG_CRIT, "Failed to allocate channel iterator for span %s!\n", span->name);
goto done;
}
for (i = 0; citer; citer = ftdm_iterator_next(citer), i++) {
ftdmchan = ftdm_iterator_current(citer);
r2chan = R2CALL(ftdmchan)->r2chan;
poll_events[i] = POLLPRI;
if (openr2_chan_get_read_enabled(r2chan)) {
@ -1737,9 +1746,9 @@ static void *ftdm_r2_run(ftdm_thread_t *me, void *obj)
/* this main loop takes care of MF and CAS signaling during call setup and tear down
* for every single channel in the span, do not perform blocking operations here! */
chaniter = ftdm_span_get_chan_iterator(span, chaniter);
for ( ; chaniter; chaniter = ftdm_iterator_next(chaniter)) {
ftdmchan = ftdm_iterator_current(chaniter);
citer = ftdm_span_get_chan_iterator(span, chaniter);
for ( ; citer; citer = ftdm_iterator_next(citer)) {
ftdmchan = ftdm_iterator_current(citer);
ftdm_mutex_lock(ftdmchan->mutex);
@ -1766,10 +1775,11 @@ static void *ftdm_r2_run(ftdm_thread_t *me, void *obj)
ftdm_mutex_unlock(ftdmchan->mutex);
}
}
chaniter = ftdm_span_get_chan_iterator(span, chaniter);
for ( ; chaniter; chaniter = ftdm_iterator_next(chaniter)) {
ftdmchan = ftdm_iterator_current(chaniter);
done:
citer = ftdm_span_get_chan_iterator(span, chaniter);
for ( ; citer; citer = ftdm_iterator_next(citer)) {
ftdmchan = ftdm_iterator_current(citer);
r2chan = R2CALL(ftdmchan)->r2chan;
openr2_chan_set_blocked(r2chan);
}