diff options
Diffstat (limited to 'modules/mwi')
-rw-r--r-- | modules/mwi/mwi.c | 70 |
1 files changed, 61 insertions, 9 deletions
diff --git a/modules/mwi/mwi.c b/modules/mwi/mwi.c index c1670a0..8ce6fe4 100644 --- a/modules/mwi/mwi.c +++ b/modules/mwi/mwi.c @@ -20,6 +20,8 @@ struct mwi { struct le le; struct sipsub *sub; struct ua *ua; + struct tmr tmr; + bool shutdown; }; static struct tmr tmr; @@ -30,8 +32,17 @@ static void destructor(void *arg) { struct mwi *mwi = arg; + tmr_cancel(&mwi->tmr); list_unlink(&mwi->le); mem_deref(mwi->sub); + mem_deref(mwi->ua); +} + + +static void deref_handler(void *arg) +{ + struct mwi *mwi = arg; + mem_deref(mwi); } @@ -54,6 +65,9 @@ static void notify_handler(struct sip *sip, const struct sip_msg *msg, } (void)sip_treply(NULL, sip, msg, 200, "OK"); + + if (mwi->shutdown) + mem_deref(mwi); } @@ -85,7 +99,7 @@ static int mwi_subscribe(struct ua *ua) return ENOMEM; list_append(&mwil, &mwi->le, mwi); - mwi->ua = ua; + mwi->ua = mem_ref(ua); routev[0] = ua_outbound(ua); @@ -110,6 +124,22 @@ static int mwi_subscribe(struct ua *ua) } +static struct mwi *mwi_find(const struct ua *ua) +{ + struct le *le; + + for (le = mwil.head; le; le = le->next) { + + struct mwi *mwi = le->data; + + if (mwi->ua == ua) + return mwi; + } + + return NULL; +} + + static void ua_event_handler(struct ua *ua, enum ua_event ev, struct call *call, @@ -119,12 +149,33 @@ static void ua_event_handler(struct ua *ua, (void)call; (void)prm; - if (ua != (struct ua *)arg) - return; + info("mwi: got event %d (%s)\n", ev, uag_event_str(ev)); if (ev == UA_EVENT_REGISTER_OK) { - uag_event_unregister(ua_event_handler); - mwi_subscribe(ua); + + if (!mwi_find(ua)) + mwi_subscribe(ua); + } + else if (ev == UA_EVENT_SHUTDOWN) { + + struct le *le; + + info("mwi: shutdown\n"); + + le = list_head(&mwil); + while (le) { + struct mwi *mwi = le->data; + le = le->next; + + mwi->shutdown = true; + + if (mwi->sub) { + mwi->sub = mem_deref(mwi->sub); + tmr_start(&mwi->tmr, 500, deref_handler, mwi); + } + else + mem_deref(mwi); + } } } @@ -138,10 +189,10 @@ static void tmr_handler(void *arg) for (le = list_head(uag_list()); le; le = le->next) { struct ua *ua = le->data; struct account *acc = ua_account(ua); - if (account_regint(acc) > 0) - uag_event_register(ua_event_handler, ua); - else + + if (account_regint(acc) == 0) { mwi_subscribe(ua); + } } } @@ -151,12 +202,13 @@ static int module_init(void) list_init(&mwil); tmr_start(&tmr, 1, tmr_handler, 0); - return 0; + return uag_event_register(ua_event_handler, NULL); } static int module_close(void) { + uag_event_unregister(ua_event_handler); tmr_cancel(&tmr); list_flush(&mwil); |