void
ist_snd_3456xx (osip_transaction_t * ist, osip_event_t * evt)
{
int i;
if (ist->last_response != NULL) {
osip_message_free (ist->last_response);
}
ist->last_response = evt->sip;
i = __osip_transaction_snd_xxx (ist, evt->sip);
if (i != 0) {
ist_handle_transport_error (ist, i);
return;
}
else {
if (MSG_IS_STATUS_3XX (ist->last_response))
__osip_message_callback (OSIP_IST_STATUS_3XX_SENT, ist, ist->last_response);
else if (MSG_IS_STATUS_4XX (ist->last_response))
__osip_message_callback (OSIP_IST_STATUS_4XX_SENT, ist, ist->last_response);
else if (MSG_IS_STATUS_5XX (ist->last_response))
__osip_message_callback (OSIP_IST_STATUS_5XX_SENT, ist, ist->last_response);
else
__osip_message_callback (OSIP_IST_STATUS_6XX_SENT, ist, ist->last_response);
}
if (ist->ist_context->timer_g_length != -1) {
osip_gettimeofday (&ist->ist_context->timer_g_start, NULL);
add_gettimeofday (&ist->ist_context->timer_g_start, ist->ist_context->timer_g_length);
}
osip_gettimeofday (&ist->ist_context->timer_h_start, NULL);
add_gettimeofday (&ist->ist_context->timer_h_start, ist->ist_context->timer_h_length);
__osip_transaction_set_state (ist, IST_COMPLETED);
return;
}
void
osip_ist_timeout_g_event (osip_transaction_t * ist, osip_event_t * evt)
{
int i;
ist->ist_context->timer_g_length = ist->ist_context->timer_g_length * 2;
if (ist->ist_context->timer_g_length > 4000)
ist->ist_context->timer_g_length = 4000;
osip_gettimeofday (&ist->ist_context->timer_g_start, NULL);
add_gettimeofday (&ist->ist_context->timer_g_start, ist->ist_context->timer_g_length);
i = __osip_transaction_snd_xxx (ist, ist->last_response);
if (i != 0) {
ist_handle_transport_error (ist, i);
return;
}
__osip_message_callback (OSIP_IST_STATUS_3456XX_SENT_AGAIN, ist, ist->last_response);
}
void
nist_snd_23456xx (osip_transaction_t * nist, osip_event_t * evt)
{
int i;
if (nist->last_response != NULL)
{
osip_message_free (nist->last_response);
}
nist->last_response = evt->sip;
i = __osip_transaction_snd_xxx(nist, nist->last_response);
if (i != 0)
{
nist_handle_transport_error (nist, i);
return;
} else
{
if (EVT_IS_SND_STATUS_2XX (evt))
__osip_message_callback (OSIP_NIST_STATUS_2XX_SENT, nist,
nist->last_response);
else if (MSG_IS_STATUS_3XX (nist->last_response))
__osip_message_callback (OSIP_NIST_STATUS_3XX_SENT, nist,
nist->last_response);
else if (MSG_IS_STATUS_4XX (nist->last_response))
__osip_message_callback (OSIP_NIST_STATUS_4XX_SENT, nist,
nist->last_response);
else if (MSG_IS_STATUS_5XX (nist->last_response))
__osip_message_callback (OSIP_NIST_STATUS_5XX_SENT, nist,
nist->last_response);
else
__osip_message_callback (OSIP_NIST_STATUS_6XX_SENT, nist,
nist->last_response);
}
if (nist->state != NIST_COMPLETED) /* start J timer */
{
osip_gettimeofday (&nist->nist_context->timer_j_start, NULL);
add_gettimeofday (&nist->nist_context->timer_j_start,
nist->nist_context->timer_j_length);
}
__osip_transaction_set_state (nist, NIST_COMPLETED);
}
void nist_snd_1xx(osip_transaction_t * nist, osip_event_t * evt)
{
int i;
if (nist->last_response != NULL) {
osip_message_free(nist->last_response);
}
nist->last_response = evt->sip;
i = __osip_transaction_snd_xxx(nist, nist->last_response);
if (i != 0) {
nist_handle_transport_error(nist, i);
return;
} else
__osip_message_callback(OSIP_NIST_STATUS_1XX_SENT, nist,
nist->last_response);
__osip_transaction_set_state(nist, NIST_PROCEEDING);
}
void
ist_snd_1xx (osip_transaction_t * ist, osip_event_t * evt)
{
int i;
if (ist->last_response != NULL) {
osip_message_free (ist->last_response);
}
ist->last_response = evt->sip;
i = __osip_transaction_snd_xxx (ist, evt->sip);
if (i != 0) {
ist_handle_transport_error (ist, i);
return;
}
else
__osip_message_callback (OSIP_IST_STATUS_1XX_SENT, ist, ist->last_response);
/* we are already in the proper state */
return;
}
void
ist_snd_2xx (osip_transaction_t * ist, osip_event_t * evt)
{
int i;
if (ist->last_response != NULL) {
osip_message_free (ist->last_response);
}
ist->last_response = evt->sip;
i = __osip_transaction_snd_xxx (ist, evt->sip);
if (i != 0) {
ist_handle_transport_error (ist, i);
return;
}
else {
__osip_message_callback (OSIP_IST_STATUS_2XX_SENT, ist, ist->last_response);
__osip_transaction_set_state (ist, IST_TERMINATED);
__osip_kill_transaction_callback (OSIP_IST_KILL_TRANSACTION, ist);
}
return;
}
void
ist_rcv_invite (osip_transaction_t * ist, osip_event_t * evt)
{
int i;
if (ist->state == IST_PRE_PROCEEDING) { /* announce new INVITE */
/* Here we have ist->orig_request == NULL */
ist->orig_request = evt->sip;
__osip_message_callback (OSIP_IST_INVITE_RECEIVED, ist, evt->sip);
}
else { /* IST_PROCEEDING or IST_COMPLETED */
/* delete retransmission */
osip_message_free (evt->sip);
__osip_message_callback (OSIP_IST_INVITE_RECEIVED_AGAIN, ist, ist->orig_request);
if (ist->last_response != NULL) { /* retransmit last response */
i = __osip_transaction_snd_xxx (ist, ist->last_response);
if (i != 0) {
ist_handle_transport_error (ist, i);
return;
}
else {
if (MSG_IS_STATUS_1XX (ist->last_response))
__osip_message_callback (OSIP_IST_STATUS_1XX_SENT, ist, ist->last_response);
else if (MSG_IS_STATUS_2XX (ist->last_response))
__osip_message_callback (OSIP_IST_STATUS_2XX_SENT_AGAIN, ist, ist->last_response);
else
__osip_message_callback (OSIP_IST_STATUS_3456XX_SENT_AGAIN, ist, ist->last_response);
}
}
return;
}
/* we come here only if it was the first INVITE received */
__osip_transaction_set_state (ist, IST_PROCEEDING);
}
void
nist_rcv_request (osip_transaction_t * nist, osip_event_t * evt)
{
int i;
if (nist->state == NIST_PRE_TRYING) /* announce new REQUEST */
{
/* Here we have ist->orig_request == NULL */
nist->orig_request = evt->sip;
if (MSG_IS_REGISTER (evt->sip))
__osip_message_callback (OSIP_NIST_REGISTER_RECEIVED, nist,
nist->orig_request);
else if (MSG_IS_BYE (evt->sip))
__osip_message_callback (OSIP_NIST_BYE_RECEIVED, nist, nist->orig_request);
else if (MSG_IS_OPTIONS (evt->sip))
__osip_message_callback (OSIP_NIST_OPTIONS_RECEIVED, nist,
nist->orig_request);
else if (MSG_IS_INFO (evt->sip))
__osip_message_callback (OSIP_NIST_INFO_RECEIVED, nist,
nist->orig_request);
else if (MSG_IS_CANCEL (evt->sip))
__osip_message_callback (OSIP_NIST_CANCEL_RECEIVED, nist,
nist->orig_request);
else if (MSG_IS_NOTIFY (evt->sip))
__osip_message_callback (OSIP_NIST_NOTIFY_RECEIVED, nist,
nist->orig_request);
else if (MSG_IS_SUBSCRIBE (evt->sip))
__osip_message_callback (OSIP_NIST_SUBSCRIBE_RECEIVED, nist,
nist->orig_request);
else
__osip_message_callback (OSIP_NIST_UNKNOWN_REQUEST_RECEIVED, nist,
nist->orig_request);
} else /* NIST_PROCEEDING or NIST_COMPLETED */
{
/* delete retransmission */
osip_message_free (evt->sip);
__osip_message_callback (OSIP_NIST_REQUEST_RECEIVED_AGAIN, nist,
nist->orig_request);
if (nist->last_response != NULL) /* retransmit last response */
{
i = __osip_transaction_snd_xxx(nist, nist->last_response);
if (i != 0)
{
nist_handle_transport_error (nist, i);
return;
} else
{
if (MSG_IS_STATUS_1XX (nist->last_response))
__osip_message_callback (OSIP_NIST_STATUS_1XX_SENT, nist,
nist->last_response);
else if (MSG_IS_STATUS_2XX (nist->last_response))
__osip_message_callback (OSIP_NIST_STATUS_2XX_SENT_AGAIN,
nist, nist->last_response);
else
__osip_message_callback (OSIP_NIST_STATUS_3456XX_SENT_AGAIN,
nist, nist->last_response);
return;
}
}
/* we are already in the proper state */
return;
}
/* we come here only if it was the first REQUEST received */
__osip_transaction_set_state (nist, NIST_TRYING);
}
