sms_queue: refactor sms_pending add/remove code

This avoids every caller from manually having to remember to
increment the count, the stat_item and llist_{add,del}.

Change-Id: Ice4c73727ef2d7e4118f0ef5fe24cae943c7528f
This commit is contained in:
Harald Welte 2022-05-15 14:55:56 +02:00
parent bf254f6da5
commit 7f918af50b
1 changed files with 19 additions and 23 deletions

View File

@ -206,9 +206,19 @@ static struct gsm_sms_pending *sms_pending_from(struct gsm_sms_queue *smsq,
return pending;
}
/* release a gsm_sms_pending object */
static void sms_pending_free(struct gsm_sms_pending *pending)
/* add (append) a gsm_sms_pending to the queue pending_sms list */
static void sms_pending_add(struct gsm_sms_queue *smsq, struct gsm_sms_pending *pending)
{
smsq->pending += 1;
smsq_stat_item_inc(smsq, SMSQ_STAT_SMS_RAM_PENDING);
llist_add_tail(&pending->entry, &smsq->pending_sms);
}
/* release a gsm_sms_pending object */
static void sms_pending_free(struct gsm_sms_queue *smsq, struct gsm_sms_pending *pending)
{
smsq->pending -= 1;
smsq_stat_item_dec(smsq, SMSQ_STAT_SMS_RAM_PENDING);
vlr_subscr_put(pending->vsub, VSUB_USE_SMS_PENDING);
llist_del(&pending->entry);
talloc_free(pending);
@ -247,9 +257,7 @@ static void sms_pending_failed(struct gsm_sms_pending *pending, int paging_error
if (pending->failed_attempts < smsq->max_fail)
return sms_pending_resend(pending);
sms_pending_free(pending);
smsq->pending -= 1;
smsq_stat_item_dec(smsq, SMSQ_STAT_SMS_RAM_PENDING);
sms_pending_free(smsq, pending);
}
/* Resend all SMS that are scheduled for a resend. This is done to
@ -270,9 +278,7 @@ static void sms_resend_pending(void *_data)
/* the sms is gone? Move to the next */
if (!sms) {
sms_pending_free(pending);
smsq->pending -= 1;
smsq_stat_item_dec(smsq, SMSQ_STAT_SMS_RAM_PENDING);
sms_pending_free(smsq, pending);
sms_queue_trigger(smsq);
} else {
pending->resend = 0;
@ -407,9 +413,7 @@ static void sms_submit_pending(void *_data)
}
attempted += 1;
smsq->pending += 1;
smsq_stat_item_inc(smsq, SMSQ_STAT_SMS_RAM_PENDING);
llist_add_tail(&pending->entry, &smsq->pending_sms);
sms_pending_add(smsq, pending);
_gsm411_send_sms(smsq->network, sms->receiver, sms);
} while (attempted < attempts && rounds < 1000);
@ -447,9 +451,7 @@ static void sms_send_next(struct vlr_subscr *vsub)
goto no_pending_sms;
}
smsq->pending += 1;
smsq_stat_item_inc(smsq, SMSQ_STAT_SMS_RAM_PENDING);
llist_add_tail(&pending->entry, &smsq->pending_sms);
sms_pending_add(smsq, pending);
_gsm411_send_sms(smsq->network, sms->receiver, sms);
return;
@ -594,21 +596,17 @@ static int sms_sms_cb(unsigned int subsys, unsigned int signal,
case S_SMS_DELIVERED:
smsq_rate_ctr_inc(network->sms_queue, SMSQ_CTR_SMS_DELIVERY_ACK);
/* Remember the subscriber and clear the pending entry */
network->sms_queue->pending -= 1;
smsq_stat_item_dec(network->sms_queue, SMSQ_STAT_SMS_RAM_PENDING);
vsub = pending->vsub;
vlr_subscr_get(vsub, __func__);
db_sms_delete_sent_message_by_id(pending->sms_id);
sms_pending_free(pending);
sms_pending_free(network->sms_queue, pending);
/* Attempt to send another SMS to this subscriber */
sms_send_next(vsub);
vlr_subscr_put(vsub, __func__);
break;
case S_SMS_MEM_EXCEEDED:
smsq_rate_ctr_inc(network->sms_queue, SMSQ_CTR_SMS_DELIVERY_NOMEM);
network->sms_queue->pending -= 1;
smsq_stat_item_dec(network->sms_queue, SMSQ_STAT_SMS_RAM_PENDING);
sms_pending_free(pending);
sms_pending_free(network->sms_queue, pending);
sms_queue_trigger(network->sms_queue);
break;
case S_SMS_UNKNOWN_ERROR:
@ -681,10 +679,8 @@ int sms_queue_clear(struct gsm_sms_queue *smsq)
llist_for_each_entry_safe(pending, tmp, &smsq->pending_sms, entry) {
LOGP(DLSMS, LOGL_NOTICE,
"SMSqueue clearing for sub %llu\n", pending->vsub->id);
sms_pending_free(pending);
sms_pending_free(smsq, pending);
}
smsq->pending = 0;
smsq_stat_item_set(smsq, SMSQ_STAT_SMS_RAM_PENDING, 0);
return 0;
}