/*
* Notification from ioqueue when incoming UDP packet is received.
*/
static pj_bool_t on_data_read(pj_activesock_t *asock,
void *data,
pj_size_t size,
pj_status_t status,
pj_size_t *remainder)
{
pj_turn_sock *turn_sock;
pj_bool_t ret = PJ_TRUE;
turn_sock = (pj_turn_sock*) pj_activesock_get_user_data(asock);
pj_grp_lock_acquire(turn_sock->grp_lock);
if (status == PJ_SUCCESS && turn_sock->sess && !turn_sock->is_destroying) {
/* Report incoming packet to TURN session, repeat while we have
* "packet" in the buffer (required for stream-oriented transports)
*/
unsigned pkt_len;
//PJ_LOG(5,(turn_sock->pool->obj_name,
// "Incoming data, %lu bytes total buffer", size));
while ((pkt_len=has_packet(turn_sock, data, size)) != 0) {
pj_size_t parsed_len;
//const pj_uint8_t *pkt = (const pj_uint8_t*)data;
//PJ_LOG(5,(turn_sock->pool->obj_name,
// "Packet start: %02X %02X %02X %02X",
// pkt[0], pkt[1], pkt[2], pkt[3]));
//PJ_LOG(5,(turn_sock->pool->obj_name,
// "Processing %lu bytes packet of %lu bytes total buffer",
// pkt_len, size));
parsed_len = (unsigned)size;
pj_turn_session_on_rx_pkt(turn_sock->sess, data, size, &parsed_len);
/* parsed_len may be zero if we have parsing error, so use our
* previous calculation to exhaust the bad packet.
*/
if (parsed_len == 0)
parsed_len = pkt_len;
if (parsed_len < (unsigned)size) {
*remainder = size - parsed_len;
pj_memmove(data, ((char*)data)+parsed_len, *remainder);
} else {
*remainder = 0;
}
size = *remainder;
//PJ_LOG(5,(turn_sock->pool->obj_name,
// "Buffer size now %lu bytes", size));
}
} else if (status != PJ_SUCCESS &&
turn_sock->conn_type != PJ_TURN_TP_UDP)
{
sess_fail(turn_sock, "TCP connection closed", status);
ret = PJ_FALSE;
goto on_return;
}
on_return:
pj_grp_lock_release(turn_sock->grp_lock);
return ret;
}
/*
* Notification from ioqueue when incoming UDP packet is received.
*/
static pj_bool_t on_data_read(pj_activesock_t *asock,
void *data,
pj_size_t size,
pj_status_t status,
pj_size_t *remainder)
{
pj_turn_sock *turn_sock;
pj_bool_t ret = PJ_TRUE;
turn_sock = (pj_turn_sock*) pj_activesock_get_user_data(asock);
pj_lock_acquire(turn_sock->lock);
if (status == PJ_SUCCESS && turn_sock->sess) {
/* Report incoming packet to TURN session, repeat while we have
* "packet" in the buffer (required for stream-oriented transports)
*/
unsigned pkt_len;
//PJ_LOG(5,(turn_sock->pool->obj_name,
// "Incoming data, %lu bytes total buffer", size));
while ((pkt_len=has_packet(turn_sock, data, size)) != 0) {
pj_size_t parsed_len;
//const pj_uint8_t *pkt = (const pj_uint8_t*)data;
//PJ_LOG(5,(turn_sock->pool->obj_name,
// "Packet start: %02X %02X %02X %02X",
// pkt[0], pkt[1], pkt[2], pkt[3]));
//PJ_LOG(5,(turn_sock->pool->obj_name,
// "Processing %lu bytes packet of %lu bytes total buffer",
// pkt_len, size));
parsed_len = (unsigned)size;
pj_turn_session_on_rx_pkt(turn_sock->sess, data, size, &parsed_len);
/* parsed_len may be zero if we have parsing error, so use our
* previous calculation to exhaust the bad packet.
*/
if (parsed_len == 0)
parsed_len = pkt_len;
if (parsed_len < (unsigned)size) {
*remainder = size - parsed_len;
pj_memmove(data, ((char*)data)+parsed_len, *remainder);
} else {
*remainder = 0;
}
size = *remainder;
//PJ_LOG(5,(turn_sock->pool->obj_name,
// "Buffer size now %lu bytes", size));
}
/* Assigned remainder as size. Because ioqueue may
skip the packet if never enter while loop. */
if (pkt_len == 0)
*remainder = size;
PJ_LOG(5, (__FILE__, "on_data_read() leaving still remainder=[%d].",
*remainder));
} else if (status != PJ_SUCCESS &&
turn_sock->conn_type != PJ_TURN_TP_UDP)
{
// DEAN don't destroy TURN session, if connection aborted.
// To avoid the situation of ip changing caused crash.
if (status != 130053)
{
PJ_LOG(1, ("turn_sock.c", "!!! TURN DEALLOCATE !!! in on_data_read() read failed status=%d",
status));
sess_fail(turn_sock, "TURN TCP connection closed", status);
}
ret = PJ_FALSE;
goto on_return;
}
on_return:
pj_lock_release(turn_sock->lock);
return ret;
}
