int timer_init(void)
{
TMR_DEBUG("Initializing TIMER task interface\n");
memset(&timer_desc, 0, sizeof(timer_desc_t));
STAILQ_INIT(&timer_desc.timer_queue);
pthread_mutex_init(&timer_desc.timer_list_mutex, NULL);
TMR_DEBUG("Initializing TIMER task interface: DONE\n");
return 0;
}
int timer_handle_signal(siginfo_t *info)
{
struct timer_elm_s *timer_p;
MessageDef *message_p;
timer_has_expired_t *timer_expired_p;
task_id_t task_id;
int32_t instance;
/* Get back pointer to timer list element */
timer_p = (struct timer_elm_s *)info->si_ptr;
// LG: To many traces for msc timer:
// TMR_DEBUG("Timer with id 0x%lx has expired\n", (long)timer_p->timer);
task_id = timer_p->task_id;
instance = timer_p->instance;
message_p = itti_alloc_new_message(TASK_TIMER, TIMER_HAS_EXPIRED);
timer_expired_p = &message_p->ittiMsg.timer_has_expired;
timer_expired_p->timer_id = (long)timer_p->timer;
timer_expired_p->arg = timer_p->timer_arg;
/* Timer is a one shot timer, remove it */
if (timer_p->type == TIMER_ONE_SHOT) {
// if (timer_delete(timer_p->timer) < 0) {
// TMR_DEBUG("Failed to delete timer 0x%lx\n", (long)timer_p->timer);
// }
// TMR_DEBUG("Removed timer 0x%lx\n", (long)timer_p->timer);
// pthread_mutex_lock(&timer_desc.timer_list_mutex);
// STAILQ_REMOVE(&timer_desc.timer_queue, timer_p, timer_elm_s, entries);
// pthread_mutex_unlock(&timer_desc.timer_list_mutex);
// free(timer_p);
// timer_p = NULL;
if (timer_remove((long)timer_p->timer) != 0) {
TMR_DEBUG("Failed to delete timer 0x%lx\n", (long)timer_p->timer);
}
}
/* Notify task of timer expiry */
if (itti_send_msg_to_task(task_id, instance, message_p) < 0) {
TMR_DEBUG("Failed to send msg TIMER_HAS_EXPIRED to task %u\n", task_id);
free(message_p);
return -1;
}
return 0;
}
int timer_remove(long timer_id)
{
int rc = 0;
struct timer_elm_s *timer_p;
TMR_DEBUG("Removing timer 0x%lx\n", timer_id);
pthread_mutex_lock(&timer_desc.timer_list_mutex);
TIMER_SEARCH(timer_p, timer, ((timer_t)timer_id), &timer_desc.timer_queue);
/* We didn't find the timer in list */
if (timer_p == NULL) {
pthread_mutex_unlock(&timer_desc.timer_list_mutex);
TMR_ERROR("Didn't find timer 0x%lx in list\n", timer_id);
return -1;
}
STAILQ_REMOVE(&timer_desc.timer_queue, timer_p, timer_elm_s, entries);
pthread_mutex_unlock(&timer_desc.timer_list_mutex);
if (timer_delete(timer_p->timer) < 0) {
TMR_ERROR("Failed to delete timer 0x%lx\n", (long)timer_p->timer);
rc = -1;
}
free(timer_p);
timer_p = NULL;
return rc;
}
void
gsm_process_timer_expiration (void *msg)
{
static const char fname[] = "gsm_process_timer_expiration";
cprCallBackTimerMsg_t *timerMsg;
void *timeout_msg = NULL;
timerMsg = (cprCallBackTimerMsg_t *) msg;
TMR_DEBUG(DEB_F_PREFIX"Timer %s expired\n", DEB_F_PREFIX_ARGS(GSM, fname), timerMsg->expiredTimerName);
switch (timerMsg->expiredTimerId) {
case GSM_MULTIPART_TONES_TIMER:
case GSM_CONTINUOUS_TONES_TIMER:
lsm_tmr_tones_callback(timerMsg->usrData);
break;
case GSM_ERROR_ONHOOK_TIMER:
fsmdef_error_onhook_timeout(timerMsg->usrData);
break;
case GSM_AUTOANSWER_TIMER:
fsmdef_auto_answer_timeout(timerMsg->usrData);
break;
case GSM_REVERSION_TIMER:
fsmdef_reversion_timeout((callid_t)(long)timerMsg->usrData);
break;
case GSM_CAC_FAILURE_TIMER:
fsm_cac_process_bw_fail_timer(timerMsg->usrData);
break;
case GSM_DIAL_TIMEOUT_TIMER:
dp_dial_timeout(timerMsg->usrData);
break;
case GSM_KPML_INTER_DIGIT_TIMER:
kpml_inter_digit_timer_callback(timerMsg->usrData);
break;
case GSM_KPML_CRITICAL_DIGIT_TIMER:
case GSM_KPML_EXTRA_DIGIT_TIMER:
break;
case GSM_KPML_SUBSCRIPTION_TIMER:
kpml_subscription_timer_callback(timerMsg->usrData);
break;
case GSM_REQ_PENDING_TIMER:
timeout_msg = fsmdef_feature_timer_timeout(
CC_FEATURE_REQ_PEND_TIMER_EXP,
timerMsg->usrData);
break;
case GSM_RINGBACK_DELAY_TIMER:
timeout_msg = fsmdef_feature_timer_timeout(
CC_FEATURE_RINGBACK_DELAY_TIMER_EXP,
timerMsg->usrData);
break;
case GSM_FLASH_ONCE_TIMER:
if (media_timer_callback != NULL) {
(* ((media_timer_callback_fp)(media_timer_callback)))();
}
break;
case GSM_TONE_DURATION_TIMER:
lsm_tone_duration_tmr_callback(timerMsg->usrData);
break;
default:
GSM_ERR_MSG(GSM_F_PREFIX"unknown timer %d\n", fname,
timerMsg->expiredTimerName);
break;
}
/*
* If there is a timer message to be processed by state machine,
* hands it to GSM state machine here.
*/
if (timeout_msg != NULL) {
/* Let state machine handle glare timer expiration */
gsm_process_msg(GSM_GSM, timeout_msg);
cprReleaseBuffer(timeout_msg);
}
}
int timer_setup(
uint32_t interval_sec,
uint32_t interval_us,
task_id_t task_id,
int32_t instance,
timer_type_t type,
void *timer_arg,
long *timer_id)
{
struct sigevent se;
struct itimerspec its;
struct timer_elm_s *timer_p;
timer_t timer;
if (timer_id == NULL) {
return -1;
}
AssertFatal (type < TIMER_TYPE_MAX, "Invalid timer type (%d/%d)!\n", type, TIMER_TYPE_MAX);
/* Allocate new timer list element */
timer_p = malloc(sizeof(struct timer_elm_s));
if (timer_p == NULL) {
TMR_ERROR("Failed to create new timer element\n");
return -1;
}
memset(&timer, 0, sizeof(timer_t));
memset(&se, 0, sizeof(struct sigevent));
timer_p->task_id = task_id;
timer_p->instance = instance;
timer_p->type = type;
timer_p->timer_arg = timer_arg;
/* Setting up alarm */
/* Set and enable alarm */
se.sigev_notify = SIGEV_SIGNAL;
se.sigev_signo = SIGTIMER;
se.sigev_value.sival_ptr = timer_p;
/* At the timer creation, the timer structure will be filled in with timer_id,
* which is unique for this process. This id is allocated by kernel and the
* value might be used to distinguish timers.
*/
if (timer_create(CLOCK_REALTIME, &se, &timer) < 0) {
TMR_ERROR("Failed to create timer: (%s:%d)\n", strerror(errno), errno);
free(timer_p);
return -1;
}
/* Fill in the first expiration value. */
its.it_value.tv_sec = interval_sec;
its.it_value.tv_nsec = interval_us * 1000;
if (type == TIMER_PERIODIC) {
/* Asked for periodic timer. We set the interval time */
its.it_interval.tv_sec = interval_sec;
its.it_interval.tv_nsec = interval_us * 1000;
} else {
/* Asked for one-shot timer. Do not set the interval field */
its.it_interval.tv_sec = 0;
its.it_interval.tv_nsec = 0;
}
timer_settime(timer, 0, &its, NULL);
/* Simply set the timer_id argument. so it can be used by caller */
*timer_id = (long)timer;
TMR_DEBUG("Requesting new %s timer with id 0x%lx that expires within "
"%d sec and %d usec\n",
type == TIMER_PERIODIC ? "periodic" : "single shot",
*timer_id, interval_sec, interval_us);
timer_p->timer = timer;
/* Lock the queue and insert the timer at the tail */
pthread_mutex_lock(&timer_desc.timer_list_mutex);
STAILQ_INSERT_TAIL(&timer_desc.timer_queue, timer_p, entries);
pthread_mutex_unlock(&timer_desc.timer_list_mutex);
return 0;
}