/* Destructor */
static void stun_sock_destructor(void *obj)
{
pj_stun_sock *stun_sock = (pj_stun_sock*)obj;
if (stun_sock->q) {
pj_dns_srv_cancel_query(stun_sock->q, PJ_FALSE);
stun_sock->q = NULL;
}
/*
if (stun_sock->stun_sess) {
pj_stun_session_destroy(stun_sock->stun_sess);
stun_sock->stun_sess = NULL;
}
*/
if (stun_sock->pool) {
pj_pool_t *pool = stun_sock->pool;
stun_sock->pool = NULL;
pj_pool_release(pool);
}
TRACE_(("", "STUN sock %p destroyed", stun_sock));
}
/* Destroy */
PJ_DEF(pj_status_t) pj_stun_sock_destroy(pj_stun_sock *stun_sock)
{
if (stun_sock->q) {
pj_dns_srv_cancel_query(stun_sock->q, PJ_FALSE);
stun_sock->q = NULL;
}
/* Destroy the active socket first just in case we'll get
* stray callback.
*/
if (stun_sock->active_sock != NULL) {
pj_activesock_close(stun_sock->active_sock);
stun_sock->active_sock = NULL;
stun_sock->sock_fd = PJ_INVALID_SOCKET;
} else if (stun_sock->sock_fd != PJ_INVALID_SOCKET) {
pj_sock_close(stun_sock->sock_fd);
stun_sock->sock_fd = PJ_INVALID_SOCKET;
}
if (stun_sock->ka_timer.id != 0) {
pj_timer_heap_cancel(stun_sock->stun_cfg.timer_heap,
&stun_sock->ka_timer);
stun_sock->ka_timer.id = 0;
}
if (stun_sock->stun_sess) {
pj_stun_session_destroy(stun_sock->stun_sess);
stun_sock->stun_sess = NULL;
}
if (stun_sock->pool) {
pj_pool_t *pool = stun_sock->pool;
stun_sock->pool = NULL;
pj_pool_release(pool);
}
return PJ_SUCCESS;
}
/*
* Notify application and shutdown the TCP session.
*/
static void sess_shutdown(pj_tcp_session *sess,
pj_status_t status)
{
pj_bool_t can_destroy = PJ_TRUE;
PJ_LOG(4,(sess->obj_name, "Request to shutdown in state %s, cause:%d",
state_names[sess->state], status));
if (sess->last_status == PJ_SUCCESS && status != PJ_SUCCESS)
sess->last_status = status;
switch (sess->state) {
case PJ_TCP_STATE_NULL:
break;
case PJ_TCP_STATE_RESOLVING:
if (sess->dns_async != NULL) {
pj_dns_srv_cancel_query(sess->dns_async, PJ_FALSE);
sess->dns_async = NULL;
}
break;
case PJ_TCP_STATE_RESOLVED:
break;
case PJ_TCP_STATE_CONNECTING:
/* We need to wait until connection complete */
sess->pending_destroy = PJ_TRUE;
can_destroy = PJ_FALSE;
break;
case PJ_TCP_STATE_READY:
/* Send REFRESH with LIFETIME=0 */
#if 0
can_destroy = PJ_FALSE;
send_refresh(sess, 0);
#endif
break;
case PJ_TCP_STATE_DISCONNECTING:
can_destroy = PJ_FALSE;
/* This may recursively call this function again with
* state==PJ_TCP_STATE_DISCONNECTING.
*/
#if 0
send_refresh(sess, 0);
#endif
break;
case PJ_TCP_STATE_DISCONNECTED:
case PJ_TCP_STATE_DESTROYING:
break;
}
if (can_destroy) {
/* Schedule destroy */
pj_time_val delay = {0, 0};
pj_tcp_session_set_state(sess, PJ_TCP_STATE_DESTROYING);
if (sess->timer.id != TIMER_NONE) {
pj_timer_heap_cancel(sess->timer_heap, &sess->timer);
sess->timer.id = TIMER_NONE;
}
sess->timer.id = TIMER_DESTROY;
pj_timer_heap_schedule(sess->timer_heap, &sess->timer, &delay);
}
}
