sdp_message_t *
eXosip_get_previous_local_sdp (int jid)
{
eXosip_dialog_t *jd = NULL;
eXosip_call_t *jc = NULL;
osip_transaction_t *invite_tr = NULL;
if (jid > 0)
{
eXosip_call_dialog_find (jid, &jc, &jd);
}
if (jc == NULL)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: No call here?\n"));
return NULL;
}
invite_tr = eXosip_find_last_invite (jc, jd);
if (invite_tr == NULL)
return NULL;
invite_tr = eXosip_find_previous_invite (jc, jd, invite_tr);
if (invite_tr == NULL)
return NULL;
return _eXosip_get_local_sdp (invite_tr);
}
int
eXosip_call_get_referto (int did, char *refer_to, size_t refer_to_len)
{
eXosip_dialog_t *jd = NULL;
eXosip_call_t *jc = NULL;
osip_transaction_t *tr = NULL;
osip_uri_t *referto_uri;
char atmp[256];
char *referto_tmp = NULL;
int i;
if (did <= 0)
return OSIP_BADPARAMETER;
eXosip_call_dialog_find (did, &jc, &jd);
if (jc == NULL || jd == NULL || jd->d_dialog == NULL)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: No call here?\n"));
return OSIP_NOTFOUND;
}
tr = eXosip_find_last_invite (jc, jd);
if (tr == NULL || tr->orig_request == NULL)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: No transaction for call?\n"));
return OSIP_NOTFOUND;
}
i = osip_uri_clone (jd->d_dialog->remote_uri->url, &referto_uri);
if (i != 0)
return i;
snprintf (atmp, sizeof (atmp), "%s;to-tag=%s;from-tag=%s",
jd->d_dialog->call_id,
jd->d_dialog->remote_tag, jd->d_dialog->local_tag);
osip_uri_uheader_add (referto_uri, osip_strdup ("Replaces"), osip_strdup (atmp));
i = osip_uri_to_str (referto_uri, &referto_tmp);
if (i != 0)
{
osip_uri_free (referto_uri);
return i;
}
snprintf (refer_to, refer_to_len, "%s", referto_tmp);
osip_uri_free (referto_uri);
return OSIP_SUCCESS;
}
int
eXosip_call_send_request (int jid, osip_message_t * request)
{
eXosip_dialog_t *jd = NULL;
eXosip_call_t *jc = NULL;
osip_transaction_t *transaction;
osip_event_t *sipevent;
int i;
if (request == NULL)
return OSIP_BADPARAMETER;
if (jid <= 0)
{
osip_message_free (request);
return OSIP_BADPARAMETER;
}
if (request->sip_method == NULL)
{
osip_message_free (request);
return OSIP_BADPARAMETER;
}
if (jid > 0)
{
eXosip_call_dialog_find (jid, &jc, &jd);
}
if (jd == NULL)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: No call here?\n"));
osip_message_free (request);
return OSIP_NOTFOUND;
}
transaction = NULL;
if (0 == osip_strcasecmp (request->sip_method, "INVITE"))
{
transaction = eXosip_find_last_invite (jc, jd);
} else /* OPTIONS, UPDATE, INFO, REFER, ?... */
{
transaction = eXosip_find_last_transaction (jc, jd, request->sip_method);
}
if (transaction != NULL)
{
if (0 != osip_strcasecmp (request->sip_method, "INVITE"))
{
if (transaction->state != NICT_TERMINATED &&
transaction->state != NIST_TERMINATED &&
transaction->state != NICT_COMPLETED &&
transaction->state != NIST_COMPLETED)
{
osip_message_free (request);
return OSIP_WRONG_STATE;
}
} else
{
if (transaction->state != ICT_TERMINATED &&
transaction->state != IST_TERMINATED &&
transaction->state != IST_CONFIRMED &&
transaction->state != ICT_COMPLETED)
{
osip_message_free (request);
return OSIP_WRONG_STATE;
}
}
}
transaction = NULL;
if (0 != osip_strcasecmp (request->sip_method, "INVITE"))
{
i = _eXosip_transaction_init (&transaction, NICT, eXosip.j_osip, request);
} else
{
i = _eXosip_transaction_init (&transaction, ICT, eXosip.j_osip, request);
}
if (i != 0)
{
osip_message_free (request);
return i;
}
osip_list_add (jd->d_out_trs, transaction, 0);
sipevent = osip_new_outgoing_sipmessage (request);
sipevent->transactionid = transaction->transactionid;
#ifndef MINISIZE
osip_transaction_set_your_instance (transaction,
__eXosip_new_jinfo (jc, jd, NULL, NULL));
#else
osip_transaction_set_your_instance (transaction, __eXosip_new_jinfo (jc, jd));
#endif
osip_transaction_add_event (transaction, sipevent);
__eXosip_wakeup ();
return OSIP_SUCCESS;
}
int
eXosip_call_build_request (int jid, const char *method, osip_message_t ** request)
{
eXosip_dialog_t *jd = NULL;
eXosip_call_t *jc = NULL;
osip_transaction_t *transaction;
int i;
*request = NULL;
if (jid <= 0)
return OSIP_BADPARAMETER;
if (method == NULL || method[0] == '\0')
return OSIP_BADPARAMETER;
if (jid > 0)
{
eXosip_call_dialog_find (jid, &jc, &jd);
}
if (jd == NULL || jd->d_dialog == NULL)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: No call here?\n"));
return OSIP_NOTFOUND;
}
transaction = NULL;
if (0 == osip_strcasecmp (method, "INVITE"))
{
transaction = eXosip_find_last_invite (jc, jd);
} else /* OPTIONS, UPDATE, INFO, REFER, ?... */
{
transaction = eXosip_find_last_transaction (jc, jd, method);
}
if (transaction != NULL)
{
if (0 != osip_strcasecmp (method, "INVITE"))
{
if (transaction->state != NICT_TERMINATED &&
transaction->state != NIST_TERMINATED &&
transaction->state != NICT_COMPLETED &&
transaction->state != NIST_COMPLETED)
return OSIP_WRONG_STATE;
} else
{
if (transaction->state != ICT_TERMINATED &&
transaction->state != IST_TERMINATED &&
transaction->state != IST_CONFIRMED &&
transaction->state != ICT_COMPLETED)
return OSIP_WRONG_STATE;
}
}
i = _eXosip_build_request_within_dialog (request, method, jd->d_dialog,
eXosip.transport);
if (i != 0)
return i;
eXosip_add_authentication_information (*request, NULL);
return OSIP_SUCCESS;
}
int
eXosip_call_build_ack (int did, osip_message_t ** _ack)
{
eXosip_dialog_t *jd = NULL;
eXosip_call_t *jc = NULL;
osip_transaction_t *tr = NULL;
osip_message_t *ack;
char *transport;
int i;
*_ack = NULL;
if (did <= 0)
return OSIP_BADPARAMETER;
if (did > 0)
{
eXosip_call_dialog_find (did, &jc, &jd);
}
if (jc == NULL || jd == NULL || jd->d_dialog == NULL)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: No call here?\n"));
return OSIP_NOTFOUND;
}
tr = eXosip_find_last_invite (jc, jd);
if (tr == NULL || tr->orig_request == NULL)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: No transaction for call?\n"));
return OSIP_NOTFOUND;
}
if (0 != osip_strcasecmp (tr->orig_request->sip_method, "INVITE"))
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: ACK are only sent for invite transactions\n"));
return OSIP_BADPARAMETER;
}
transport = NULL;
transport = _eXosip_transport_protocol (tr->orig_request);
if (transport == NULL)
i = _eXosip_build_request_within_dialog (&ack, "ACK", jd->d_dialog, "UDP");
else
i = _eXosip_build_request_within_dialog (&ack, "ACK", jd->d_dialog, transport);
if (i != 0)
{
return i;
}
_eXosip_call_reuse_contact (tr->orig_request, ack);
/* Fix CSeq Number when request has been exchanged during INVITE transactions */
if (tr->orig_request->cseq != NULL && tr->orig_request->cseq->number != NULL)
{
if (ack != NULL && ack->cseq != NULL && ack->cseq->number != NULL)
{
osip_free (ack->cseq->number);
ack->cseq->number = osip_strdup (tr->orig_request->cseq->number);
}
}
/* copy all credentials from INVITE! */
{
int pos = 0;
osip_proxy_authorization_t *pa = NULL;
i = osip_message_get_proxy_authorization (tr->orig_request, pos, &pa);
while (i >= 0 && pa != NULL)
{
osip_proxy_authorization_t *pa2;
i = osip_proxy_authorization_clone (pa, &pa2);
if (i != 0)
{
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL,
"Error in credential from INVITE\n"));
break;
}
osip_list_add (&ack->proxy_authorizations, pa2, -1);
pa = NULL;
pos++;
i = osip_message_get_proxy_authorization (tr->orig_request, pos, &pa);
}
}
*_ack = ack;
return OSIP_SUCCESS;
}
