/*
 * pj_ioqueue_destroy()
 */
PJ_DEF(pj_status_t) pj_ioqueue_destroy( pj_ioqueue_t *ioqueue )
{
#if PJ_HAS_TCP
    unsigned i;
#endif
    pj_ioqueue_key_t *key;

    PJ_CHECK_STACK();
    PJ_ASSERT_RETURN(ioqueue, PJ_EINVAL);

    pj_lock_acquire(ioqueue->lock);

#if PJ_HAS_TCP
    /* Destroy events in the pool */
    for (i=0; i<ioqueue->event_count; ++i) {
	CloseHandle(ioqueue->event_pool[i]);
    }
    ioqueue->event_count = 0;
#endif

    if (CloseHandle(ioqueue->iocp) != TRUE)
	return PJ_RETURN_OS_ERROR(GetLastError());

#if PJ_IOQUEUE_HAS_SAFE_UNREG
    /* Destroy reference counters */
    key = ioqueue->active_list.next;
    while (key != &ioqueue->active_list) {
	pj_atomic_destroy(key->ref_count);
	pj_mutex_destroy(key->mutex);
	key = key->next;
    }

    key = ioqueue->closing_list.next;
    while (key != &ioqueue->closing_list) {
	pj_atomic_destroy(key->ref_count);
	pj_mutex_destroy(key->mutex);
	key = key->next;
    }

    key = ioqueue->free_list.next;
    while (key != &ioqueue->free_list) {
	pj_atomic_destroy(key->ref_count);
	pj_mutex_destroy(key->mutex);
	key = key->next;
    }
#endif

    if (ioqueue->auto_delete_lock)
        pj_lock_destroy(ioqueue->lock);

    return PJ_SUCCESS;
}
예제 #2
0
파일: sip_reg.c 프로젝트: iamroger/voip
PJ_DEF(pj_status_t) pjsip_regc_destroy(pjsip_regc *regc)
{
    PJ_ASSERT_RETURN(regc, PJ_EINVAL);

    pj_lock_acquire(regc->lock);
    if (regc->has_tsx || pj_atomic_get(regc->busy_ctr) != 0) {
	regc->_delete_flag = 1;
	regc->cb = NULL;
	pj_lock_release(regc->lock);
    } else {
	pjsip_tpselector_dec_ref(&regc->tp_sel);
	if (regc->last_transport) {
	    pjsip_transport_dec_ref(regc->last_transport);
	    regc->last_transport = NULL;
	}
	if (regc->timer.id != 0) {
	    pjsip_endpt_cancel_timer(regc->endpt, &regc->timer);
	    regc->timer.id = 0;
	}
	pj_atomic_destroy(regc->busy_ctr);
	pj_lock_release(regc->lock);
	pj_lock_destroy(regc->lock);
	regc->lock = NULL;
	pjsip_endpt_release_pool(regc->endpt, regc->pool);
    }

    return PJ_SUCCESS;
}
예제 #3
0
파일: os.hpp 프로젝트: 0x0B501E7E/pjproject
 //
 // Destroy.
 //
 void destroy()
 {
     if (var_) {
         pj_atomic_destroy(var_);
         var_ = NULL;
     }
 }
예제 #4
0
SipIceTransport::~SipIceTransport()
{
    RING_DBG("~SipIceTransport@%p", this);
    Manager::instance().unregisterEventHandler((uintptr_t)this);
    pj_lock_destroy(trData_.base.lock);
    pj_atomic_destroy(trData_.base.ref_cnt);
    RING_DBG("destroying SipIceTransport@%p", this);
}
/*!
 * \brief Destroy the pjsip transport.
 *
 * Called by pjsip transport manager.
 */
static pj_status_t ws_destroy(pjsip_transport *transport)
{
	struct ws_transport *wstransport = (struct ws_transport *)transport;

	if (wstransport->transport.ref_cnt) {
		pj_atomic_destroy(wstransport->transport.ref_cnt);
	}

	if (wstransport->transport.lock) {
		pj_lock_destroy(wstransport->transport.lock);
	}

	pjsip_endpt_release_pool(wstransport->transport.endpt, wstransport->transport.pool);

	return PJ_SUCCESS;
}
예제 #6
0
/*
 * Decrease transport data reference, destroy it when the reference count
 * reaches zero.
 */
PJ_DEF(pj_status_t) pjsip_tx_data_dec_ref( pjsip_tx_data *tdata )
{
    pj_assert( pj_atomic_get(tdata->ref_cnt) > 0);
    if (pj_atomic_dec_and_get(tdata->ref_cnt) <= 0) {
	PJ_LOG(5,(tdata->obj_name, "Destroying txdata %s",
		  pjsip_tx_data_get_info(tdata)));
	pjsip_tpselector_dec_ref(&tdata->tp_sel);
#if defined(PJ_DEBUG) && PJ_DEBUG!=0
	pj_atomic_dec( tdata->mgr->tdata_counter );
#endif
	pj_atomic_destroy( tdata->ref_cnt );
	pj_lock_destroy( tdata->lock );
	pjsip_endpt_release_pool( tdata->mgr->endpt, tdata->pool );
	return PJSIP_EBUFDESTROYED;
    } else {
	return PJ_SUCCESS;
    }
}
예제 #7
0
/* Clean up TCP resources */
static void tcp_on_destroy(void *arg)
{
    struct tcp_transport *tcp = (struct tcp_transport*)arg;

    if (tcp->base.lock) {
	pj_lock_destroy(tcp->base.lock);
	tcp->base.lock = NULL;
    }

    if (tcp->base.ref_cnt) {
	pj_atomic_destroy(tcp->base.ref_cnt);
	tcp->base.ref_cnt = NULL;
    }

    if (tcp->rdata.tp_info.pool) {
	pj_pool_release(tcp->rdata.tp_info.pool);
	tcp->rdata.tp_info.pool = NULL;
    }

    if (tcp->base.pool) {
	pj_pool_t *pool;

	if (tcp->close_reason != PJ_SUCCESS) {
	    char errmsg[PJ_ERR_MSG_SIZE];

	    pj_strerror(tcp->close_reason, errmsg, sizeof(errmsg));
	    PJ_LOG(4,(tcp->base.obj_name, 
		      "TCP transport destroyed with reason %d: %s", 
		      tcp->close_reason, errmsg));

	} else {

	    PJ_LOG(4,(tcp->base.obj_name, 
		      "TCP transport destroyed normally"));

	}

	pool = tcp->base.pool;
	tcp->base.pool = NULL;
	pj_pool_release(pool);
    }
}
/* Clean up UDP resources */
static void udp_on_destroy(void *arg)
{
    struct udp_transport *tp = (struct udp_transport*)arg;
    int i;

    /* Destroy rdata */
    for (i=0; i<tp->rdata_cnt; ++i) {
	pj_pool_release(tp->rdata[i]->tp_info.pool);
    }

    /* Destroy reference counter. */
    if (tp->base.ref_cnt)
	pj_atomic_destroy(tp->base.ref_cnt);

    /* Destroy lock */
    if (tp->base.lock)
	pj_lock_destroy(tp->base.lock);

    /* Destroy pool. */
    pjsip_endpt_release_pool(tp->base.endpt, tp->base.pool);
}
예제 #9
0
/* Handler to destroy the transport; called by transport manager */
static pj_status_t loop_destroy(pjsip_transport *tp)
{
    struct loop_transport *loop = (struct loop_transport*)tp;
    
    PJ_ASSERT_RETURN(tp && (tp->key.type == PJSIP_TRANSPORT_LOOP ||
	             tp->key.type == PJSIP_TRANSPORT_LOOP_DGRAM), PJ_EINVAL);
    
    loop->thread_quit_flag = 1;
    /* Unlock transport mutex before joining thread. */
    pj_lock_release(tp->lock);
    pj_thread_join(loop->thread);
    pj_thread_destroy(loop->thread);

    /* Clear pending send notifications. */
    while (!pj_list_empty(&loop->send_list)) {
	struct send_list *node = loop->send_list.next;
	/* Notify callback. */
	if (node->callback) {
	    (*node->callback)(&loop->base, node->token, -PJSIP_ESHUTDOWN);
	}
	pj_list_erase(node);
	pjsip_tx_data_dec_ref(node->tdata);
    }

    /* Clear "incoming" packets in the queue. */
    while (!pj_list_empty(&loop->recv_list)) {
	struct recv_list *node = loop->recv_list.next;
	pj_list_erase(node);
	pjsip_endpt_release_pool(loop->base.endpt,
				 node->rdata.tp_info.pool);
    }

    /* Self destruct.. heheh.. */
    pj_lock_destroy(loop->base.lock);
    pj_atomic_destroy(loop->base.ref_cnt);
    pjsip_endpt_release_pool(loop->base.endpt, loop->base.pool);

    return PJ_SUCCESS;
}
예제 #10
0
static void transport_dtor(void *arg)
{
	struct ws_transport *wstransport = arg;

	if (wstransport->ws_session) {
		ast_websocket_unref(wstransport->ws_session);
	}

	if (wstransport->transport.ref_cnt) {
		pj_atomic_destroy(wstransport->transport.ref_cnt);
	}

	if (wstransport->transport.lock) {
		pj_lock_destroy(wstransport->transport.lock);
	}

	if (wstransport->transport.endpt && wstransport->transport.pool) {
		pjsip_endpt_release_pool(wstransport->transport.endpt, wstransport->transport.pool);
	}

	if (wstransport->rdata.tp_info.pool) {
		pjsip_endpt_release_pool(wstransport->transport.endpt, wstransport->rdata.tp_info.pool);
	}
}
예제 #11
0
/* Destroy TLS transport */
static pj_status_t tls_destroy(pjsip_transport *transport, 
			       pj_status_t reason)
{
    struct tls_transport *tls = (struct tls_transport*)transport;

    if (tls->close_reason == 0)
	tls->close_reason = reason;

    if (tls->is_registered) {
	tls->is_registered = PJ_FALSE;
	pjsip_transport_destroy(transport);

	/* pjsip_transport_destroy will recursively call this function
	 * again.
	 */
	return PJ_SUCCESS;
    }

    /* Mark transport as closing */
    tls->is_closing = PJ_TRUE;

    /* Stop keep-alive timer. */
    if (tls->ka_timer.id) {
	pjsip_endpt_cancel_timer(tls->base.endpt, &tls->ka_timer);
	tls->ka_timer.id = PJ_FALSE;
    }

    /* Cancel all delayed transmits */
    while (!pj_list_empty(&tls->delayed_list)) {
	struct delayed_tdata *pending_tx;
	pj_ioqueue_op_key_t *op_key;

	pending_tx = tls->delayed_list.next;
	pj_list_erase(pending_tx);

	op_key = (pj_ioqueue_op_key_t*)pending_tx->tdata_op_key;

	on_data_sent(tls->ssock, op_key, -reason);
    }

    if (tls->rdata.tp_info.pool) {
	pj_pool_release(tls->rdata.tp_info.pool);
	tls->rdata.tp_info.pool = NULL;
    }

    if (tls->ssock) {
	pj_ssl_sock_close(tls->ssock);
	tls->ssock = NULL;
    }
    if (tls->base.lock) {
	pj_lock_destroy(tls->base.lock);
	tls->base.lock = NULL;
    }

    if (tls->base.ref_cnt) {
	pj_atomic_destroy(tls->base.ref_cnt);
	tls->base.ref_cnt = NULL;
    }

    if (tls->base.pool) {
	pj_pool_t *pool;

	if (reason != PJ_SUCCESS) {
	    char errmsg[PJ_ERR_MSG_SIZE];

	    pj_strerror(reason, errmsg, sizeof(errmsg));
	    PJ_LOG(4,(tls->base.obj_name, 
		      "TLS transport destroyed with reason %d: %s", 
		      reason, errmsg));

	} else {

	    PJ_LOG(4,(tls->base.obj_name, 
		      "TLS transport destroyed normally"));

	}

	pool = tls->base.pool;
	tls->base.pool = NULL;
	pj_pool_release(pool);
    }

    return PJ_SUCCESS;
}
/*
 * pj_ioqueue_create()
 */
PJ_DEF(pj_status_t) pj_ioqueue_create( pj_pool_t *pool, 
				       pj_size_t max_fd,
				       pj_ioqueue_t **p_ioqueue)
{
    pj_ioqueue_t *ioqueue;
    unsigned i;
    pj_status_t rc;

    PJ_UNUSED_ARG(max_fd);
    PJ_ASSERT_RETURN(pool && p_ioqueue, PJ_EINVAL);

    rc = sizeof(union operation_key);

    /* Check that sizeof(pj_ioqueue_op_key_t) makes sense. */
    PJ_ASSERT_RETURN(sizeof(pj_ioqueue_op_key_t)-sizeof(void*) >= 
                     sizeof(union operation_key), PJ_EBUG);

    /* Create IOCP */
    ioqueue = pj_pool_zalloc(pool, sizeof(*ioqueue));
    ioqueue->iocp = CreateIoCompletionPort(INVALID_HANDLE_VALUE, NULL, 0, 0);
    if (ioqueue->iocp == NULL)
	return PJ_RETURN_OS_ERROR(GetLastError());

    /* Create IOCP mutex */
    rc = pj_lock_create_recursive_mutex(pool, NULL, &ioqueue->lock);
    if (rc != PJ_SUCCESS) {
	CloseHandle(ioqueue->iocp);
	return rc;
    }

    ioqueue->auto_delete_lock = PJ_TRUE;
    ioqueue->default_concurrency = PJ_IOQUEUE_DEFAULT_ALLOW_CONCURRENCY;

#if PJ_IOQUEUE_HAS_SAFE_UNREG
    /*
     * Create and initialize key pools.
     */
    pj_list_init(&ioqueue->active_list);
    pj_list_init(&ioqueue->free_list);
    pj_list_init(&ioqueue->closing_list);

    /* Preallocate keys according to max_fd setting, and put them
     * in free_list.
     */
    for (i=0; i<max_fd; ++i) {
	pj_ioqueue_key_t *key;

	key = pj_pool_alloc(pool, sizeof(pj_ioqueue_key_t));

	rc = pj_atomic_create(pool, 0, &key->ref_count);
	if (rc != PJ_SUCCESS) {
	    key = ioqueue->free_list.next;
	    while (key != &ioqueue->free_list) {
		pj_atomic_destroy(key->ref_count);
		pj_mutex_destroy(key->mutex);
		key = key->next;
	    }
	    CloseHandle(ioqueue->iocp);
	    return rc;
	}

	rc = pj_mutex_create_recursive(pool, "ioqkey", &key->mutex);
	if (rc != PJ_SUCCESS) {
	    pj_atomic_destroy(key->ref_count);
	    key = ioqueue->free_list.next;
	    while (key != &ioqueue->free_list) {
		pj_atomic_destroy(key->ref_count);
		pj_mutex_destroy(key->mutex);
		key = key->next;
	    }
	    CloseHandle(ioqueue->iocp);
	    return rc;
	}

	pj_list_push_back(&ioqueue->free_list, key);
    }
#endif

    *p_ioqueue = ioqueue;

    PJ_LOG(4, ("pjlib", "WinNT IOCP I/O Queue created (%p)", ioqueue));
    return PJ_SUCCESS;
}
예제 #13
0
/*
 * udp_destroy()
 *
 * This function is called by transport manager (by transport->destroy()).
 */
static pj_status_t udp_destroy( pjsip_transport *transport )
{
    struct udp_transport *tp = (struct udp_transport*)transport;
    int i;

    /* Mark this transport as closing. */
    tp->is_closing = 1;

    /* Cancel all pending operations. */
    /* blp: NO NO NO...
     *      No need to post queued completion as we poll the ioqueue until
     *      we've got events anyway. Posting completion will only cause
     *      callback to be called twice with IOCP: one for the post completion
     *      and another one for closing the socket.
     *
    for (i=0; i<tp->rdata_cnt; ++i) {
	pj_ioqueue_post_completion(tp->key,
				   &tp->rdata[i]->tp_info.op_key.op_key, -1);
    }
    */

    /* Unregister from ioqueue. */
    if (tp->key) {
	pj_ioqueue_unregister(tp->key);
	tp->key = NULL;
    } else {
	/* Close socket. */
	if (tp->sock && tp->sock != PJ_INVALID_SOCKET) {
	    pj_sock_close(tp->sock);
	    tp->sock = PJ_INVALID_SOCKET;
	}
    }

    /* Must poll ioqueue because IOCP calls the callback when socket
     * is closed. We poll the ioqueue until all pending callbacks
     * have been called.
     */
    for (i=0; i<50 && tp->is_closing < 1+tp->rdata_cnt; ++i) {
	int cnt;
	pj_time_val timeout = {0, 1};

	cnt = pj_ioqueue_poll(pjsip_endpt_get_ioqueue(transport->endpt),
			      &timeout);
	if (cnt == 0)
	    break;
    }

    /* Destroy rdata */
    for (i=0; i<tp->rdata_cnt; ++i) {
	pj_pool_release(tp->rdata[i]->tp_info.pool);
    }

    /* Destroy reference counter. */
    if (tp->base.ref_cnt)
	pj_atomic_destroy(tp->base.ref_cnt);

    /* Destroy lock */
    if (tp->base.lock)
	pj_lock_destroy(tp->base.lock);

    /* Destroy pool. */
    pjsip_endpt_release_pool(tp->base.endpt, tp->base.pool);

    return PJ_SUCCESS;
}
예제 #14
0
/* Start loop transport. */
PJ_DEF(pj_status_t) pjsip_loop_start( pjsip_endpoint *endpt,
				      pjsip_transport **transport)
{
    pj_pool_t *pool;
    struct loop_transport *loop;
    pj_status_t status;

    /* Create pool. */
    pool = pjsip_endpt_create_pool(endpt, "loop", 4000, 4000);
    if (!pool)
	return PJ_ENOMEM;

    /* Create the loop structure. */
    loop = pj_pool_zalloc(pool, sizeof(struct loop_transport));
    
    /* Initialize transport properties. */
    pj_ansi_snprintf(loop->base.obj_name, sizeof(loop->base.obj_name), 
		     "loop%p", loop);
    loop->base.pool = pool;
    status = pj_atomic_create(pool, 0, &loop->base.ref_cnt);
    if (status != PJ_SUCCESS)
	goto on_error;
    status = pj_lock_create_recursive_mutex(pool, "loop", &loop->base.lock);
    if (status != PJ_SUCCESS)
	goto on_error;
    loop->base.key.type = PJSIP_TRANSPORT_LOOP_DGRAM;
    //loop->base.key.rem_addr.sa_family = PJ_AF_INET;
    loop->base.type_name = "LOOP-DGRAM";
    loop->base.info = "LOOP-DGRAM";
    loop->base.flag = PJSIP_TRANSPORT_DATAGRAM;
    loop->base.local_name.host = pj_str(ADDR_LOOP_DGRAM);
    loop->base.local_name.port = 
	pjsip_transport_get_default_port_for_type(loop->base.key.type);
    loop->base.addr_len = sizeof(pj_sockaddr_in);
    loop->base.endpt = endpt;
    loop->base.tpmgr = pjsip_endpt_get_tpmgr(endpt);
    loop->base.send_msg = &loop_send_msg;
    loop->base.destroy = &loop_destroy;

    pj_list_init(&loop->recv_list);
    pj_list_init(&loop->send_list);

    /* Create worker thread. */
    status = pj_thread_create(pool, "loop", 
			      &loop_transport_worker_thread, loop, 0, 
			      PJ_THREAD_SUSPENDED, &loop->thread);
    if (status != PJ_SUCCESS)
	goto on_error;

    /* Register to transport manager. */
    status = pjsip_transport_register( loop->base.tpmgr, &loop->base);
    if (status != PJ_SUCCESS)
	goto on_error;

    /* Start the thread. */
    status = pj_thread_resume(loop->thread);
    if (status != PJ_SUCCESS)
	goto on_error;

    /*
     * Done.
     */

    if (transport)
	*transport = &loop->base;

    return PJ_SUCCESS;

on_error:
    if (loop->base.lock)
	pj_lock_destroy(loop->base.lock);
    if (loop->thread)
	pj_thread_destroy(loop->thread);
    if (loop->base.ref_cnt)
	pj_atomic_destroy(loop->base.ref_cnt);
    pjsip_endpt_release_pool(endpt, loop->pool);
    return status;
}