int sal_subscribe_accept(SalOp *op){
osip_message_t *msg=NULL;
eXosip_lock();
eXosip_insubscription_build_answer(op->tid,202,&msg);
if (msg==NULL){
ms_error("Fail to build answer to subscribe.");
eXosip_unlock();
return -1;
}
if (op->base.contact){
_osip_list_set_empty(&msg->contacts,(void (*)(void*))osip_contact_free);
osip_message_set_contact(msg,op->base.contact);
}
eXosip_insubscription_send_answer(op->tid,202,msg);
eXosip_unlock();
return 0;
}
void sal_exosip_subscription_recv(Sal *sal, eXosip_event_t *ev){
/*workaround a bug in eXosip: incoming SUBSCRIBES within dialog with expires: 0 are
recognized as new incoming subscribes*/
SalOp *op=sal_find_in_subscribe_by_call_id(sal,ev->request->call_id);
if (op){
osip_header_t *h;
osip_message_header_get_byname(ev->request,"expires",0,&h);
if (h && h->hvalue && atoi(h->hvalue)==0){
ms_warning("This susbscribe is not a new one but terminates an old one.");
ev->did=op->did;
ev->nid=op->nid;
sal_exosip_subscription_closed(sal,ev);
}else {
osip_message_t *msg=NULL;
ms_warning("Probably a refresh subscribe");
eXosip_lock();
eXosip_insubscription_build_answer(ev->tid,202,&msg);
eXosip_insubscription_send_answer(ev->tid,202,msg);
eXosip_unlock();
}
}else _sal_exosip_subscription_recv(sal,ev);
}
int
eXosip_insubscription_automatic (eXosip_event_t * evt)
{
eXosip_dialog_t *jd = NULL;
eXosip_notify_t *jn = NULL;
osip_header_t *event_header;
if (evt->did <= 0 || evt->nid <= 0)
return OSIP_BADPARAMETER;
if (evt->request == NULL)
return OSIP_BADPARAMETER;
eXosip_notify_dialog_find (evt->did, &jn, &jd);
if (jd == NULL || jn == NULL)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: No incoming subscription here?\n"));
return OSIP_NOTFOUND;
}
osip_message_header_get_byname (evt->request, "event", 0, &event_header);
if (event_header == NULL || event_header->hvalue == NULL)
{
eXosip_insubscription_send_answer (evt->tid, 400, NULL);
return OSIP_SUCCESS;
}
/* this event should be handled internally */
if (osip_strcasecmp (event_header->hvalue, "dialog") == 0)
{
/* send 200 ok to SUBSCRIBEs */
if (evt->type == EXOSIP_IN_SUBSCRIPTION_NEW)
{
osip_message_t *answer;
int i;
i = eXosip_insubscription_build_answer (evt->tid, 202, &answer);
if (i == 0)
{
i = eXosip_insubscription_send_answer (evt->tid, 202, answer);
}
if (i != 0)
{
i = eXosip_insubscription_send_answer (evt->tid, 400, NULL);
return OSIP_SUCCESS;
}
/* send initial notify */
i =
_eXosip_insubscription_auto_send_notify (evt->did,
EXOSIP_SUBCRSTATE_ACTIVE,
PROBATION);
if (i != 0)
{
/* delete subscription... */
return OSIP_SUCCESS;
}
}
} else
{
if (evt->type == EXOSIP_IN_SUBSCRIPTION_NEW)
{
eXosip_insubscription_send_answer (evt->tid, 489, NULL);
}
}
return OSIP_SUCCESS;
}