C++ pjsip_endpt_schedule_timer函数代码示例

/* Start Session Timers */
static void start_timer(pjsip_inv_session *inv)
{
    const pj_str_t UPDATE = { "UPDATE", 6 };
    pjsip_timer *timer = inv->timer;
    pj_time_val delay = {0};

    pj_assert(inv->timer->active == PJ_TRUE);

    stop_timer(inv);

    inv->timer->use_update =
	    (pjsip_dlg_remote_has_cap(inv->dlg, PJSIP_H_ALLOW, NULL,
				      &UPDATE) == PJSIP_DIALOG_CAP_SUPPORTED);
    if (!inv->timer->use_update) {
	/* INVITE always needs SDP */
	inv->timer->with_sdp = PJ_TRUE;
    }

    pj_timer_entry_init(&timer->timer,
			1,		    /* id */
			inv,		    /* user data */
			timer_cb);	    /* callback */
    
    /* Set delay based on role, refresher or refreshee */
    if ((timer->refresher == TR_UAC && inv->timer->role == PJSIP_ROLE_UAC) ||
	(timer->refresher == TR_UAS && inv->timer->role == PJSIP_ROLE_UAS))
    {
	/* Add refresher expire timer */
	pj_timer_entry_init(&timer->expire_timer,
			    REFRESHER_EXPIRE_TIMER_ID,	    /* id */
			    inv,			    /* user data */
			    timer_cb);			    /* callback */

	delay.sec = timer->setting.sess_expires;
	/* Schedule the timer */
	pjsip_endpt_schedule_timer(inv->dlg->endpt, &timer->expire_timer, 
				   &delay);

	/* Next refresh, the delay is half of session expire */
	delay.sec = timer->setting.sess_expires / 2;
    } else {
	/* Send BYE if no refresh received until this timer fired, delay
	 * is the minimum of 32 seconds and one third of the session interval
	 * before session expiration.
	 */
	delay.sec = timer->setting.sess_expires - 
		    timer->setting.sess_expires/3;
	delay.sec = PJ_MAX((long)timer->setting.sess_expires-32, delay.sec);
    }

    /* Schedule the timer */
    pjsip_endpt_schedule_timer(inv->dlg->endpt, &timer->timer, &delay);

    /* Update last refresh time */
    pj_gettimeofday(&timer->last_refresh);
}

/* This will update the UAC's refresh schedule. */
static void update_next_refresh(pjsip_event_sub *sub, int interval)
{
    pj_time_val delay = {0, 0};
    pj_parsed_time pt;

    if (interval < SECONDS_BEFORE_EXPIRY) {
	PJ_LOG(4,(THIS_FILE, 
		  "event_sub%p (%s): expiration delay too short (%d sec)! updated.",
		  sub, state[sub->state].ptr, interval));
	interval = SECONDS_BEFORE_EXPIRY;
    }

    if (sub->timer.id != 0)
	pjsip_endpt_cancel_timer(sub->endpt, &sub->timer);

    sub->timer.id = TIMER_ID_REFRESH;
    sub->timer.user_data = sub;
    sub->timer.cb = &refresh_timer_cb;
    pj_gettimeofday(&sub->expiry_time);
    delay.sec = interval - SECONDS_BEFORE_EXPIRY;
    sub->expiry_time.sec += delay.sec;

    pj_time_decode(&sub->expiry_time, &pt);
    PJ_LOG(4,(THIS_FILE, 
	      "event_sub%p (%s): will send SUBSCRIBE at %02d:%02d:%02d (in %d secs)",
	      sub, state[sub->state].ptr, 
	      pt.hour, pt.min, pt.sec,
	      delay.sec));

    pjsip_endpt_schedule_timer( sub->endpt, &sub->timer, &delay );
}

static void schedule_registration ( pjsip_regc *regc, pj_int32_t expiration )
{
    if (regc->auto_reg && expiration > 0) {
        pj_time_val delay = { 0, 0};

        pj_timer_heap_cancel_if_active(pjsip_endpt_get_timer_heap(regc->endpt),
                                       &regc->timer, 0);

        delay.sec = expiration - regc->delay_before_refresh;
        if (regc->expires != PJSIP_REGC_EXPIRATION_NOT_SPECIFIED && 
            delay.sec > (pj_int32_t)regc->expires) 
        {
            delay.sec = regc->expires;
        }
        if (delay.sec < DELAY_BEFORE_REFRESH) 
            delay.sec = DELAY_BEFORE_REFRESH;
        regc->timer.cb = &regc_refresh_timer_cb;
        regc->timer.id = REFRESH_TIMER;
        regc->timer.user_data = regc;
        pjsip_endpt_schedule_timer( regc->endpt, &regc->timer, &delay);
        pj_gettimeofday(&regc->last_reg);
        regc->next_reg = regc->last_reg;
        regc->next_reg.sec += delay.sec;
    }
}

static pj_bool_t rt_on_rx_response(pjsip_rx_data *rdata)
{
    if (!pj_strncmp(&rdata->msg_info.cid->id, &rt_call_id, rt_call_id.slen)) {
	char *pos = pj_strchr(&rdata->msg_info.cid->id, '/')+1;
	int thread_id = (*pos - '0');
	pj_timestamp recv_time;

	pj_mutex_lock(rt_test_data[thread_id].mutex);

	/* Stop timer. */
	pjsip_endpt_cancel_timer(endpt, &rt_test_data[thread_id].timeout_timer);

	/* Update counter and end-time. */
	rt_test_data[thread_id].recv_response_count++;
	pj_get_timestamp(&recv_time);

	pj_sub_timestamp(&recv_time, &rt_test_data[thread_id].send_time);
	pj_add_timestamp(&rt_test_data[thread_id].total_rt_time, &recv_time);

	if (!rt_stop) {
	    pj_time_val tx_delay = { 0, 0 };
	    pj_assert(rt_test_data[thread_id].tx_timer.user_data == NULL);
	    rt_test_data[thread_id].tx_timer.user_data = (void*)1;
	    pjsip_endpt_schedule_timer(endpt, &rt_test_data[thread_id].tx_timer,
				       &tx_delay);
	}

	pj_mutex_unlock(rt_test_data[thread_id].mutex);

	return PJ_TRUE;
    }
    return PJ_FALSE;
}

/*
 * This callback is called by SSL socket when pending accept() operation
 * has completed.
 */
static pj_bool_t on_accept_complete(pj_ssl_sock_t *ssock,
				    pj_ssl_sock_t *new_ssock,
				    const pj_sockaddr_t *src_addr,
				    int src_addr_len)
{
    struct tls_listener *listener;
    struct tls_transport *tls;
    char addr[PJ_INET6_ADDRSTRLEN+10];
    pj_status_t status;

    PJ_UNUSED_ARG(src_addr_len);

    listener = (struct tls_listener*) pj_ssl_sock_get_user_data(ssock);

    PJ_ASSERT_RETURN(new_ssock, PJ_TRUE);

    PJ_LOG(4,(listener->factory.obj_name, 
	      "TLS listener %.*s:%d: got incoming TLS connection "
	      "from %s, sock=%d",
	      (int)listener->factory.addr_name.host.slen,
	      listener->factory.addr_name.host.ptr,
	      listener->factory.addr_name.port,
	      pj_sockaddr_print(src_addr, addr, sizeof(addr), 3),
	      new_ssock));

    /* 
     * Incoming connection!
     * Create TLS transport for the new socket.
     */
    status = tls_create( listener, NULL, new_ssock, PJ_TRUE,
			 (const pj_sockaddr_in*)&listener->factory.local_addr,
			 (const pj_sockaddr_in*)src_addr, &tls);
    
    if (status == PJ_SUCCESS) {
	/* Set the "pending" SSL socket user data */
	pj_ssl_sock_set_user_data(new_ssock, tls);

	status = tls_start_read(tls);
	if (status != PJ_SUCCESS) {
	    PJ_LOG(3,(tls->base.obj_name, "New transport cancelled"));
	    tls_destroy(&tls->base, status);
	} else {
	    /* Start keep-alive timer */
	    if (PJSIP_TCP_KEEP_ALIVE_INTERVAL) {
		pj_time_val delay = {PJSIP_TCP_KEEP_ALIVE_INTERVAL, 0};
		pjsip_endpt_schedule_timer(listener->endpt, 
					   &tls->ka_timer, 
					   &delay);
		tls->ka_timer.id = PJ_TRUE;
		pj_gettimeofday(&tls->last_activity);
	    }
	}
    }

    return PJ_TRUE;
}

static pj_status_t rt_send_request(int thread_id)
{
    pj_status_t status;
    pj_str_t target, from, to, contact, call_id;
    pjsip_tx_data *tdata;
    pj_time_val timeout_delay;

    pj_mutex_lock(rt_test_data[thread_id].mutex);

    /* Create a request message. */
    target = pj_str(rt_target_uri);
    from = pj_str(FROM_HDR);
    to = pj_str(rt_target_uri);
    contact = pj_str(CONTACT_HDR);
    call_id = rt_test_data[thread_id].call_id;

    status = pjsip_endpt_create_request( endpt, &pjsip_options_method, 
					 &target, &from, &to,
					 &contact, &call_id, -1, 
					 NULL, &tdata );
    if (status != PJ_SUCCESS) {
	app_perror("    error: unable to create request", status);
	pj_mutex_unlock(rt_test_data[thread_id].mutex);
	return -610;
    }

    /* Start time. */
    pj_get_timestamp(&rt_test_data[thread_id].send_time);

    /* Send the message (statelessly). */
    status = pjsip_endpt_send_request_stateless( endpt, tdata, NULL, NULL);
    if (status != PJ_SUCCESS) {
	/* Immediate error! */
	app_perror("    error: send request", status);
	pjsip_tx_data_dec_ref(tdata);
	pj_mutex_unlock(rt_test_data[thread_id].mutex);
	return -620;
    }

    /* Update counter. */
    rt_test_data[thread_id].sent_request_count++;

    /* Set timeout timer. */
    if (rt_test_data[thread_id].timeout_timer.user_data != NULL) {
	pjsip_endpt_cancel_timer(endpt, &rt_test_data[thread_id].timeout_timer);
    }
    timeout_delay.sec = 100; timeout_delay.msec = 0;
    rt_test_data[thread_id].timeout_timer.user_data = (void*)1;
    pjsip_endpt_schedule_timer(endpt, &rt_test_data[thread_id].timeout_timer,
			       &timeout_delay);

    pj_mutex_unlock(rt_test_data[thread_id].mutex);
    return PJ_SUCCESS;
}

/* Timer callback to re-create client subscription */
static void pres_timer_cb(pj_timer_heap_t *th,
			  pj_timer_entry *entry)
{
    pj_time_val delay = { PJSUA_PRES_TIMER, 0 };

    entry->id = PJ_FALSE;
    refresh_client_subscriptions();

    pjsip_endpt_schedule_timer(pjsua_var.endpt, entry, &delay);
    entry->id = PJ_TRUE;

    PJ_UNUSED_ARG(th);
}

/// Restart the timer using the specified id and timeout.
void Flow::restart_timer(int id, int timeout)
{
  if (_timer.id)
  {
    // Stop the existing timer.
    pjsip_endpt_cancel_timer(stack_data.endpt, &_timer);
    _timer.id = 0;
  }

  pj_time_val delay = {timeout, 0};
  pjsip_endpt_schedule_timer(stack_data.endpt, &_timer, &delay);
  _timer.id = id;
}

/*
 * Start presence subsystem.
 */
pj_status_t pjsua_pres_start(void)
{
    /* Start presence timer to re-subscribe to buddy's presence when
     * subscription has failed.
     */
    if (pjsua_var.pres_timer.id == PJ_FALSE) {
	pj_time_val pres_interval = {PJSUA_PRES_TIMER, 0};

	pjsua_var.pres_timer.cb = &pres_timer_cb;
	pjsip_endpt_schedule_timer(pjsua_var.endpt, &pjsua_var.pres_timer,
				   &pres_interval);
	pjsua_var.pres_timer.id = PJ_TRUE;
    }

    return PJ_SUCCESS;
}

/* Schedule timer to terminate transaction. */
static void schedule_terminate_tsx( pjsip_transaction *tsx,
				    int status_code,
				    int msec_delay )
{
    pj_time_val delay;

    delay.sec = 0;
    delay.msec = msec_delay;
    pj_time_val_normalize(&delay);

    pj_assert(pj_strcmp(&tsx->transaction_key, &tsx_key)==0);
    timer.user_data = NULL;
    timer.id = status_code;
    timer.cb = &terminate_tsx_timer;
    pjsip_endpt_schedule_timer(endpt, &timer, &delay);
}

static void rt_timeout_timer( pj_timer_heap_t *timer_heap,
			      struct pj_timer_entry *entry )
{
    pj_mutex_lock(rt_test_data[entry->id].mutex);

    PJ_UNUSED_ARG(timer_heap);
    PJ_LOG(3,(THIS_FILE, "    timeout waiting for response"));
    rt_test_data[entry->id].timeout_timer.user_data = NULL;
    
    if (rt_test_data[entry->id].tx_timer.user_data == NULL) {
	pj_time_val delay = { 0, 0 };
	rt_test_data[entry->id].tx_timer.user_data = (void*)1;
	pjsip_endpt_schedule_timer(endpt, &rt_test_data[entry->id].tx_timer,
				   &delay);
    }

    pj_mutex_unlock(rt_test_data[entry->id].mutex);
}

/* Timer callback to re-create client subscription */
static void pres_timer_cb(pj_timer_heap_t *th,
			  pj_timer_entry *entry)
{
    unsigned i;
    pj_time_val delay = { PJSUA_PRES_TIMER, 0 };

    /* Retry failed PUBLISH requests */
    for (i=0; i<PJ_ARRAY_SIZE(pjsua_var.acc); ++i) {
	pjsua_acc *acc = &pjsua_var.acc[i];
	if (acc->cfg.publish_enabled && acc->publish_sess==NULL)
	    pjsua_pres_init_publish_acc(acc->index);
    }

    entry->id = PJ_FALSE;
    refresh_client_subscriptions();

    pjsip_endpt_schedule_timer(pjsua_var.endpt, entry, &delay);
    entry->id = PJ_TRUE;

    PJ_UNUSED_ARG(th);
}

/* Schedule timer to send response for the specified UAS transaction */
static void schedule_send_response( pjsip_rx_data *rdata,
				    const pj_str_t *tsx_key,
				    int status_code,
				    int msec_delay )
{
    pj_status_t status;
    pjsip_tx_data *tdata;
    pj_timer_entry *t;
    struct response *r;
    pj_time_val delay;

    status = pjsip_endpt_create_response( endpt, rdata, status_code, NULL, 
					  &tdata);
    if (status != PJ_SUCCESS) {
	app_perror("    error: unable to create response", status);
	test_complete = -198;
	return;
    }

    r = PJ_POOL_ALLOC_T(tdata->pool, struct response);
    pj_strdup(tdata->pool, &r->tsx_key, tsx_key);
    r->tdata = tdata;

    delay.sec = 0;
    delay.msec = msec_delay;
    pj_time_val_normalize(&delay);

    t = PJ_POOL_ZALLOC_T(tdata->pool, pj_timer_entry);
    t->user_data = r;
    t->cb = &send_response_timer;

    status = pjsip_endpt_schedule_timer(endpt, t, &delay);
    if (status != PJ_SUCCESS) {
	pjsip_tx_data_dec_ref(tdata);
	app_perror("    error: unable to schedule timer", status);
	test_complete = -199;
	return;
    }
}

/* Schedule notifier expiration. */
static void sub_schedule_uas_expire( pjsip_event_sub *sub, int sec_delay)
{
    pj_time_val delay = { 0, 0 };
    pj_parsed_time pt;

    if (sub->timer.id != 0)
	pjsip_endpt_cancel_timer(sub->endpt, &sub->timer);

    pj_gettimeofday(&sub->expiry_time);
    sub->expiry_time.sec += sec_delay;

    sub->timer.id = TIMER_ID_UAS_EXPIRY;
    sub->timer.user_data = sub;
    sub->timer.cb = &uas_expire_timer_cb;
    delay.sec = sec_delay;
    pjsip_endpt_schedule_timer( sub->endpt, &sub->timer, &delay);

    pj_time_decode(&sub->expiry_time, &pt);
    PJ_LOG(4,(THIS_FILE, 
	      "event_sub%p (%s)(UAS): will expire at %02d:%02d:%02d (in %d secs)",
	      sub, state[sub->state].ptr, pt.hour, pt.min, pt.sec, sec_delay));
}

/* Start Session Timers */
static void start_timer(pjsip_inv_session *inv)
{
    pjsip_timer *timer = inv->timer;
    pj_time_val delay = {0};

    pj_assert(inv->timer->active == PJ_TRUE);

    stop_timer(inv);

    pj_timer_entry_init(&timer->timer,
			1,		    /* id */
			inv,		    /* user data */
			timer_cb);	    /* callback */
    
    /* Set delay based on role, refresher or refreshee */
    if ((timer->refresher == TR_UAC && inv->timer->role == PJSIP_ROLE_UAC) ||
	(timer->refresher == TR_UAS && inv->timer->role == PJSIP_ROLE_UAS))
    {
	/* Next refresh, the delay is half of session expire */
	delay.sec = timer->setting.sess_expires / 2;
    } else {
	/* Send BYE if no refresh received until this timer fired, delay
	 * is the minimum of 32 seconds and one third of the session interval
	 * before session expiration.
	 */
	delay.sec = timer->setting.sess_expires - 
		    timer->setting.sess_expires/3;
	delay.sec = PJ_MAX((long)timer->setting.sess_expires-32, delay.sec);
    }

    /* Schedule the timer */
    pjsip_endpt_schedule_timer(inv->dlg->endpt, &timer->timer, &delay);

    /* Update last refresh time */
    pj_gettimeofday(&timer->last_refresh);
}