/* Destroy */
PJ_DEF(pj_status_t) pj_stun_sock_destroy(pj_stun_sock *stun_sock)
{
TRACE_((stun_sock->obj_name, "STUN sock %p request, ref_cnt=%d",
stun_sock, pj_grp_lock_get_ref(stun_sock->grp_lock)));
pj_grp_lock_acquire(stun_sock->grp_lock);
if (stun_sock->is_destroying) {
/* Destroy already called */
pj_grp_lock_release(stun_sock->grp_lock);
return PJ_EINVALIDOP;
}
stun_sock->is_destroying = PJ_TRUE;
pj_timer_heap_cancel_if_active(stun_sock->stun_cfg.timer_heap,
&stun_sock->ka_timer, 0);
if (stun_sock->active_sock != NULL) {
stun_sock->sock_fd = PJ_INVALID_SOCKET;
pj_activesock_close(stun_sock->active_sock);
} 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->stun_sess) {
pj_stun_session_destroy(stun_sock->stun_sess);
}
pj_grp_lock_dec_ref(stun_sock->grp_lock);
pj_grp_lock_release(stun_sock->grp_lock);
return PJ_SUCCESS;
}
PJ_DEF(void) pj_grp_lock_t::pj_grp_lock_dump()
{
#if PJ_GRP_LOCK_DEBUG
grp_lock_ref *ref = grp_lock->ref_list.next;
char info_buf[1000];
pj_str_t info;
info.ptr = info_buf;
info.slen = 0;
pj_grp_lock_acquire(grp_lock);
pj_enter_critical_section();
while (ref != &grp_lock->ref_list && info.slen < sizeof(info_buf)) {
char *start = info.ptr + info.slen;
int max_len = sizeof(info_buf) - info.slen;
int len;
len = pj_ansi_snprintf(start, max_len, "%s:%d ", ref->file, ref->line);
if (len < 1 || len >= max_len) {
len = strlen(ref->file);
if (len > max_len - 1)
len = max_len - 1;
memcpy(start, ref->file, len);
start[len++] = ' ';
}
info.slen += len;
ref = ref->next;
}
if (ref != &grp_lock->ref_list) {
int i;
for (i=0; i<4; ++i)
info_buf[sizeof(info_buf)-i-1] = '.';
}
info.ptr[info.slen-1] = '\0';
pj_leave_critical_section();
pj_grp_lock_release(grp_lock);
PJ_LOG(4,(THIS_FILE, "Group lock %p, ref_cnt=%d. Reference holders: %s",
grp_lock, pj_grp_lock_get_ref(grp_lock), info.ptr));
#endif
}
/*
* Destroy transaction immediately.
*/
PJ_DEF(pj_status_t) pj_stun_client_tsx_stop(pj_stun_client_tsx *tsx)
{
PJ_ASSERT_RETURN(tsx, PJ_EINVAL);
/* Don't call grp_lock_acquire() because we might be called on
* group lock's destructor.
*/
pj_timer_heap_cancel_if_active(tsx->timer_heap, &tsx->retransmit_timer,
TIMER_INACTIVE);
pj_timer_heap_cancel_if_active(tsx->timer_heap, &tsx->destroy_timer,
TIMER_INACTIVE);
PJ_LOG(5,(tsx->obj_name, "STUN client transaction %p stopped, ref_cnt=%d",
tsx, pj_grp_lock_get_ref(tsx->grp_lock)));
return PJ_SUCCESS;
}
static void destroy(pj_turn_sock *turn_sock)
{
PJ_LOG(4,(turn_sock->obj_name, "TURN socket destroy request, ref_cnt=%d",
pj_grp_lock_get_ref(turn_sock->grp_lock)));
pj_grp_lock_acquire(turn_sock->grp_lock);
if (turn_sock->is_destroying) {
pj_grp_lock_release(turn_sock->grp_lock);
return;
}
turn_sock->is_destroying = PJ_TRUE;
if (turn_sock->sess)
pj_turn_session_shutdown(turn_sock->sess);
if (turn_sock->active_sock)
pj_activesock_close(turn_sock->active_sock);
pj_grp_lock_dec_ref(turn_sock->grp_lock);
pj_grp_lock_release(turn_sock->grp_lock);
}
PJ_DEF(pj_status_t) pj_stun_session_destroy(pj_stun_session *sess)
{
pj_stun_tx_data *tdata;
PJ_ASSERT_RETURN(sess, PJ_EINVAL);
TRACE_((SNAME(sess), "STUN session %p destroy request, ref_cnt=%d",
sess, pj_grp_lock_get_ref(sess->grp_lock)));
pj_grp_lock_acquire(sess->grp_lock);
if (sess->is_destroying) {
/* Prevent from decrementing the ref counter more than once */
pj_grp_lock_release(sess->grp_lock);
return PJ_EINVALIDOP;
}
sess->is_destroying = PJ_TRUE;
/* We need to stop transactions and cached response because they are
* holding the group lock's reference counter while retransmitting.
*/
tdata = sess->pending_request_list.next;
while (tdata != &sess->pending_request_list) {
if (tdata->client_tsx)
pj_stun_client_tsx_stop(tdata->client_tsx);
tdata = tdata->next;
}
tdata = sess->cached_response_list.next;
while (tdata != &sess->cached_response_list) {
pj_timer_heap_cancel_if_active(tdata->sess->cfg->timer_heap,
&tdata->res_timer, PJ_FALSE);
tdata = tdata->next;
}
pj_grp_lock_dec_ref(sess->grp_lock);
pj_grp_lock_release(sess->grp_lock);
return PJ_SUCCESS;
}
