/* Flush all delayed transmision once the socket is connected. */
static void tls_flush_pending_tx(struct tls_transport *tls)
{
pj_lock_acquire(tls->base.lock);
while (!pj_list_empty(&tls->delayed_list)) {
struct delayed_tdata *pending_tx;
pjsip_tx_data *tdata;
pj_ioqueue_op_key_t *op_key;
pj_ssize_t size;
pj_status_t status;
pending_tx = tls->delayed_list.next;
pj_list_erase(pending_tx);
tdata = pending_tx->tdata_op_key->tdata;
op_key = (pj_ioqueue_op_key_t*)pending_tx->tdata_op_key;
/* send! */
size = tdata->buf.cur - tdata->buf.start;
status = pj_ssl_sock_send(tls->ssock, op_key, tdata->buf.start,
&size, 0);
if (status != PJ_EPENDING) {
on_data_sent(tls->ssock, op_key, size);
}
}
pj_lock_release(tls->base.lock);
}
/* Destroy TCP transport */
static pj_status_t tcp_destroy(pjsip_transport *transport,
pj_status_t reason)
{
struct tcp_transport *tcp = (struct tcp_transport*)transport;
if (tcp->close_reason == 0)
tcp->close_reason = reason;
if (tcp->is_registered) {
tcp->is_registered = PJ_FALSE;
pjsip_transport_destroy(transport);
/* pjsip_transport_destroy will recursively call this function
* again.
*/
return PJ_SUCCESS;
}
/* Mark transport as closing */
tcp->is_closing = PJ_TRUE;
/* Stop keep-alive timer. */
if (tcp->ka_timer.id) {
pjsip_endpt_cancel_timer(tcp->base.endpt, &tcp->ka_timer);
tcp->ka_timer.id = PJ_FALSE;
}
/* Cancel all delayed transmits */
while (!pj_list_empty(&tcp->delayed_list)) {
struct delayed_tdata *pending_tx;
pj_ioqueue_op_key_t *op_key;
pending_tx = tcp->delayed_list.next;
pj_list_erase(pending_tx);
op_key = (pj_ioqueue_op_key_t*)pending_tx->tdata_op_key;
on_data_sent(tcp->asock, op_key, -reason);
}
if (tcp->asock) {
pj_activesock_close(tcp->asock);
tcp->asock = NULL;
tcp->sock = PJ_INVALID_SOCKET;
} else if (tcp->sock != PJ_INVALID_SOCKET) {
pj_sock_close(tcp->sock);
tcp->sock = PJ_INVALID_SOCKET;
}
if (tcp->grp_lock) {
pj_grp_lock_t *grp_lock = tcp->grp_lock;
tcp->grp_lock = NULL;
pj_grp_lock_dec_ref(grp_lock);
/* Transport may have been deleted at this point */
} else {
tcp_on_destroy(tcp);
}
return PJ_SUCCESS;
}
/* Flush all delayed transmision once the socket is connected. */
static void tcp_flush_pending_tx(struct tcp_transport *tcp)
{
pj_time_val now;
pj_gettickcount(&now);
pj_lock_acquire(tcp->base.lock);
while (!pj_list_empty(&tcp->delayed_list)) {
struct delayed_tdata *pending_tx;
pjsip_tx_data *tdata;
pj_ioqueue_op_key_t *op_key;
pj_ssize_t size;
pj_status_t status;
pending_tx = tcp->delayed_list.next;
pj_list_erase(pending_tx);
tdata = pending_tx->tdata_op_key->tdata;
op_key = (pj_ioqueue_op_key_t*)pending_tx->tdata_op_key;
if (pending_tx->timeout.sec > 0 &&
PJ_TIME_VAL_GT(now, pending_tx->timeout))
{
continue;
}
/* send! */
size = tdata->buf.cur - tdata->buf.start;
status = pj_activesock_send(tcp->asock, op_key, tdata->buf.start,
&size, 0);
if (status != PJ_EPENDING) {
pj_lock_release(tcp->base.lock);
on_data_sent(tcp->asock, op_key, size);
pj_lock_acquire(tcp->base.lock);
}
}
pj_lock_release(tcp->base.lock);
}
/* 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;
}