int
eXosip_insubscription_build_request (int did, const char *method,
osip_message_t ** request)
{
eXosip_dialog_t *jd = NULL;
eXosip_notify_t *jn = NULL;
osip_transaction_t *transaction;
char *transport;
int i;
*request = NULL;
if (method == NULL || method[0] == '\0')
return -1;
if (did > 0)
{
eXosip_notify_dialog_find (did, &jn, &jd);
}
if (jd == NULL || jn == NULL)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: No incoming subscription here?\n"));
return -1;
}
transaction = NULL;
transaction = eXosip_find_last_out_notify (jn, jd);
if (transaction != NULL)
{
if (transaction->state != NICT_TERMINATED &&
transaction->state != NIST_TERMINATED &&
transaction->state != NICT_COMPLETED &&
transaction->state != NIST_COMPLETED)
return -1;
}
transport = NULL;
if (transaction == NULL)
transaction = jn->n_inc_tr;
if (transaction != NULL && transaction->orig_request != NULL)
transport = _eXosip_transport_protocol (transaction->orig_request);
transaction = NULL;
if (transport == NULL)
i = _eXosip_build_request_within_dialog (request, method, jd->d_dialog, "UDP");
else
i =
_eXosip_build_request_within_dialog (request, method, jd->d_dialog,
transport);
if (i != 0)
return -2;
return 0;
}
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;
}
int
eXosip_call_build_prack (int tid, osip_message_t ** prack)
{
eXosip_dialog_t *jd = NULL;
eXosip_call_t *jc = NULL;
osip_transaction_t *tr = NULL;
osip_header_t *rseq;
char *transport;
int i;
*prack = NULL;
if (tid < 0)
return OSIP_BADPARAMETER;
if (tid > 0)
{
_eXosip_call_transaction_find (tid, &jc, &jd, &tr);
}
if (jc == NULL || jd == NULL || jd->d_dialog == NULL
|| tr == NULL || tr->orig_request == NULL
|| tr->orig_request->sip_method == NULL)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: No call here or no transaction for call\n"));
return OSIP_NOTFOUND;
}
if (0 != osip_strcasecmp (tr->orig_request->sip_method, "INVITE"))
return OSIP_BADPARAMETER;
/* PRACK are only send in the PROCEEDING state */
if (tr->state != ICT_PROCEEDING)
return OSIP_WRONG_STATE;
if (tr->orig_request->cseq == NULL
|| tr->orig_request->cseq->number == NULL
|| tr->orig_request->cseq->method == NULL)
return OSIP_SYNTAXERROR;
transport = NULL;
if (tr != NULL && tr->orig_request != NULL)
transport = _eXosip_transport_protocol (tr->orig_request);
if (transport == NULL)
i = _eXosip_build_request_within_dialog (prack, "PRACK", jd->d_dialog, "UDP");
else
i =
_eXosip_build_request_within_dialog (prack, "PRACK", jd->d_dialog,
transport);
if (i != 0)
return i;
osip_message_header_get_byname (tr->last_response, "RSeq", 0, &rseq);
if (rseq != NULL && rseq->hvalue != NULL)
{
char tmp[128];
memset (tmp, '\0', sizeof (tmp));
snprintf (tmp, 127, "%s %s %s", rseq->hvalue,
tr->orig_request->cseq->number, tr->orig_request->cseq->method);
osip_message_set_header (*prack, "RAck", tmp);
}
return OSIP_SUCCESS;
}
int
eXosip_subscribe_build_refresh_request (struct eXosip_t *excontext, int did, osip_message_t ** sub)
{
eXosip_dialog_t *jd = NULL;
eXosip_subscribe_t *js = NULL;
osip_transaction_t *transaction;
char *transport;
int i;
*sub = NULL;
if (did <= 0)
return OSIP_BADPARAMETER;
if (did > 0) {
_eXosip_subscribe_dialog_find (excontext, did, &js, &jd);
}
if (jd == NULL) {
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL, "eXosip: No subscribe here?\n"));
return OSIP_NOTFOUND;
}
transaction = NULL;
transaction = _eXosip_find_last_out_subscribe (js, jd);
if (transaction != NULL) {
if (transaction->state != NICT_TERMINATED && transaction->state != NIST_TERMINATED && transaction->state != NICT_COMPLETED && transaction->state != NIST_COMPLETED)
return OSIP_WRONG_STATE;
}
transport = NULL;
if (transaction != NULL && transaction->orig_request != NULL)
transport = _eXosip_transport_protocol (transaction->orig_request);
if (transport == NULL)
i = _eXosip_build_request_within_dialog (excontext, sub, "SUBSCRIBE", jd->d_dialog, "UDP");
else
i = _eXosip_build_request_within_dialog (excontext, sub, "SUBSCRIBE", jd->d_dialog, transport);
if (i != 0)
return i;
if (transaction != NULL && transaction->orig_request != NULL) {
int pos = 0;
osip_header_t *_header = NULL;
osip_call_info_t *_call_info_header = NULL;
pos = osip_message_get_supported (transaction->orig_request, pos, &_header);
while (pos >= 0 && _header != NULL) {
osip_header_t *_header2;
i = osip_header_clone (_header, &_header2);
if (i != 0) {
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL, "Error in Supported header\n"));
break;
}
osip_list_add (&(*sub)->headers, _header2, -1);
_header = NULL;
pos++;
pos = osip_message_get_supported (transaction->orig_request, pos, &_header);
}
pos = 0;
pos = osip_message_get_call_info (transaction->orig_request, pos, &_call_info_header);
while (pos >= 0 && _call_info_header != NULL) {
osip_call_info_t *_header2;
i = osip_call_info_clone (_call_info_header, &_header2);
if (i != 0) {
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL, "Error in Call-Info header\n"));
break;
}
osip_list_add (&(*sub)->call_infos, _header2, -1);
_call_info_header = NULL;
pos++;
pos = osip_message_get_call_info (transaction->orig_request, pos, &_call_info_header);
}
}
_eXosip_add_authentication_information (excontext, *sub, NULL);
return OSIP_SUCCESS;
}
