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try to recover from alarm better

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git-svn-id: http://svn.openzap.org/svn/openzap/trunk@697 a93c3328-9c30-0410-af19-c9cd2b2d52af
This commit is contained in:
Anthony Minessale 2009-03-12 17:22:03 +00:00
parent 0c83182d36
commit 8b55cdd249
2 changed files with 52 additions and 6 deletions
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54
libs/freetdm/src/ozmod/ozmod_isdn/ozmod_isdn.c
View File

@ -1383,8 +1383,16 @@ static __inline__ zap_status_t process_event(zap_span_t *span, zap_event_t *even
{
sig.event_id = ZAP_OOB_ALARM_TRAP;
if (event->channel->state != ZAP_CHANNEL_STATE_DOWN) {
zap_set_state_locked(event->channel, ZAP_CHANNEL_STATE_RESTART);
if (event->channel->type == ZAP_CHAN_TYPE_B) {
zap_set_state_locked(event->channel, ZAP_CHANNEL_STATE_RESTART);
}
}
if (event->channel->type == ZAP_CHAN_TYPE_DQ921) {
zap_log(ZAP_LOG_WARNING, "Stopping ISDN for span %s\n", span->name);
span->stop(span);
}
zap_set_flag(event->channel, ZAP_CHANNEL_SUSPENDED);
zap_channel_get_alarms(event->channel);
isdn_data->sig_cb(&sig);
@ -1396,6 +1404,12 @@ static __inline__ zap_status_t process_event(zap_span_t *span, zap_event_t *even
break;
case ZAP_OOB_ALARM_CLEAR:
{
if (event->channel->type == ZAP_CHAN_TYPE_DQ921) {
zap_log(ZAP_LOG_WARNING, "Resuming ISDN for span %s\n", span->name);
span->start(span);
}
sig.event_id = ZAP_OOB_ALARM_CLEAR;
zap_clear_flag(event->channel, ZAP_CHANNEL_SUSPENDED);
zap_channel_get_alarms(event->channel);
@ -1464,6 +1478,7 @@ static void *zap_isdn_tones_run(zap_thread_t *me, void *obj)
int offset = 0;
zap_log(ZAP_LOG_DEBUG, "ISDN tones thread starting.\n");
zap_set_flag(isdn_data, ZAP_ISDN_TONES_RUNNING);
if (zap_buffer_create(&dt_buffer, 1024, 1024, 0) != ZAP_SUCCESS) {
snprintf(isdn_data->dchan->last_error, sizeof(isdn_data->dchan->last_error), "memory error!");
@ -1489,7 +1504,7 @@ static void *zap_isdn_tones_run(zap_thread_t *me, void *obj)
ts.duration = ts.rate;
/* main loop */
while(zap_running() && zap_test_flag(isdn_data, ZAP_ISDN_RUNNING)) {
while(zap_running() && zap_test_flag(isdn_data, ZAP_ISDN_TONES_RUNNING) && !zap_test_flag(isdn_data, ZAP_ISDN_STOP)) {
zap_wait_flag_t flags;
zap_status_t status;
int last_chan_state = 0;
@ -1636,6 +1651,7 @@ done:
}
zap_log(ZAP_LOG_DEBUG, "ISDN tone thread ended.\n");
zap_clear_flag(isdn_data, ZAP_ISDN_TONES_RUNNING);
return NULL;
}
@ -1653,10 +1669,11 @@ static void *zap_isdn_run(zap_thread_t *me, void *obj)
#endif
zap_log(ZAP_LOG_DEBUG, "ISDN thread starting.\n");
zap_set_flag(isdn_data, ZAP_ISDN_RUNNING);
Q921Start(&isdn_data->q921);
while(zap_running() && zap_test_flag(isdn_data, ZAP_ISDN_RUNNING)) {
while(zap_running() && zap_test_flag(isdn_data, ZAP_ISDN_RUNNING) && !zap_test_flag(isdn_data, ZAP_ISDN_STOP)) {
zap_wait_flag_t flags = ZAP_READ;
zap_status_t status = zap_channel_wait(isdn_data->dchan, &flags, 100);
@ -1891,14 +1908,40 @@ static zap_state_map_t isdn_state_map = {
}
};
static zap_status_t zap_isdn_stop(zap_span_t *span)
{
zap_isdn_data_t *isdn_data = span->signal_data;
if (!zap_test_flag(isdn_data, ZAP_ISDN_RUNNING)) {
return ZAP_FAIL;
}
zap_set_flag(isdn_data, ZAP_ISDN_STOP);
while(zap_test_flag(isdn_data, ZAP_ISDN_RUNNING)) {
zap_sleep(100);
}
while(zap_test_flag(isdn_data, ZAP_ISDN_TONES_RUNNING)) {
zap_sleep(100);
}
return ZAP_SUCCESS;
}
static zap_status_t zap_isdn_start(zap_span_t *span)
{
zap_status_t ret;
zap_isdn_data_t *isdn_data = span->signal_data;
zap_set_flag(isdn_data, ZAP_ISDN_RUNNING);
if (zap_test_flag(isdn_data, ZAP_ISDN_RUNNING)) {
return ZAP_FAIL;
}
zap_clear_flag(isdn_data, ZAP_ISDN_STOP);
ret = zap_thread_create_detached(zap_isdn_run, span);
if (ret != ZAP_SUCCESS) {
return ret;
}
@ -2071,6 +2114,7 @@ static ZIO_SIG_CONFIGURE_FUNCTION(zap_isdn_configure_span)
}
span->start = zap_isdn_start;
span->stop = zap_isdn_stop;
isdn_data->sig_cb = sig_cb;
isdn_data->dchans[0] = dchans[0];
isdn_data->dchans[1] = dchans[1];

4
libs/freetdm/src/ozmod/ozmod_isdn/zap_isdn.h
View File

@ -46,7 +46,9 @@ typedef enum {
} zap_isdn_opts_t;
typedef enum {
ZAP_ISDN_RUNNING = (1 << 0)
ZAP_ISDN_RUNNING = (1 << 0),
ZAP_ISDN_TONES_RUNNING = (1 << 1),
ZAP_ISDN_STOP = (1 << 2)
} zap_isdn_flag_t;