int
_eXosip_build_response_default(osip_message_t **dest, osip_dialog_t *dialog,
int status, osip_message_t *request)
{
osip_generic_param_t *tag;
osip_message_t *response;
int pos;
int i;
if (request==NULL) return -1;
i = osip_message_init(&response);
if (i!=0)
return -1;
/* initialise osip_message_t structure */
/* yet done... */
response->sip_version = (char *)osip_malloc(8*sizeof(char));
sprintf(response->sip_version,"SIP/2.0");
osip_message_set_status_code(response, status);
/* handle some internal reason definitions. */
if (MSG_IS_NOTIFY(request) && status==481)
{
response->reason_phrase = osip_strdup("Subcription Does Not Exist");
}
else if (MSG_IS_SUBSCRIBE(request) && status==202)
{
response->reason_phrase = osip_strdup("Accepted subscription");
}
else
{
response->reason_phrase = osip_strdup(osip_message_get_reason(status));
if (response->reason_phrase==NULL)
{
if (response->status_code == 101)
response->reason_phrase = osip_strdup("Dialog Establishement");
else
response->reason_phrase = osip_strdup("Unknown code");
}
response->req_uri = NULL;
response->sip_method = NULL;
}
i = osip_to_clone(request->to, &(response->to));
if (i!=0) goto grd_error_1;
i = osip_to_get_tag(response->to,&tag);
if (i!=0)
{ /* we only add a tag if it does not already contains one! */
if ((dialog!=NULL) && (dialog->local_tag!=NULL))
/* it should contain the local TAG we created */
{ osip_to_set_tag(response->to, osip_strdup(dialog->local_tag)); }
else
{
if (status!=100)
osip_to_set_tag(response->to, osip_to_tag_new_random());
}
}
i = osip_from_clone(request->from, &(response->from));
if (i!=0) goto grd_error_1;
pos = 0;
while (!osip_list_eol(&request->vias,pos))
{
osip_via_t *via;
osip_via_t *via2;
via = (osip_via_t *)osip_list_get(&request->vias,pos);
i = osip_via_clone(via, &via2);
if (i!=-0) goto grd_error_1;
osip_list_add(&response->vias, via2, -1);
pos++;
}
i = osip_call_id_clone(request->call_id, &(response->call_id));
if (i!=0) goto grd_error_1;
i = osip_cseq_clone(request->cseq, &(response->cseq));
if (i!=0) goto grd_error_1;
if (MSG_IS_SUBSCRIBE(request))
{
osip_header_t *exp;
owsip_message_set_header(response, "Event", "presence");
i = osip_message_get_expires(request, 0, &exp);
if (exp==NULL)
{
osip_header_t *cp;
i = osip_header_clone(exp, &cp);
if (cp!=NULL)
osip_list_add(&response->headers, cp, 0);
}
}
osip_message_set_allow(response, "INVITE");
osip_message_set_allow(response, "ACK");
osip_message_set_allow(response, "OPTIONS");
osip_message_set_allow(response, "CANCEL");
osip_message_set_allow(response, "BYE");
osip_message_set_allow(response, "SUBSCRIBE");
osip_message_set_allow(response, "NOTIFY");
osip_message_set_allow(response, "MESSAGE");
osip_message_set_allow(response, "INFO");
osip_message_set_allow(response, "REFER");
*dest = response;
return 0;
grd_error_1:
osip_message_free(response);
return -1;
}
int
eXosip_answer_invite_2xx_with_body(eXosip_call_t *jc, eXosip_dialog_t *jd, int code,const char*bodytype, const char*body)
{
osip_event_t *evt_answer;
osip_message_t *response;
int i;
char *size;
osip_transaction_t *tr;
tr = eXosip_find_last_inc_invite(jc, jd);
if (tr==NULL || tr->orig_request==NULL)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: cannot find transaction to answer\n"));
return -1;
}
if (jd!=NULL && jd->d_dialog==NULL)
{ /* element previously removed */
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: cannot answer this closed transaction\n"));
return -1;
}
/* is the transaction already answered? */
if (tr->state==IST_COMPLETED
|| tr->state==IST_CONFIRMED
|| tr->state==IST_TERMINATED)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: transaction already answered\n"));
return -1;
}
if (jd==NULL)
i = _eXosip_build_response_default(&response, NULL, code, tr->orig_request);
else
i = _eXosip_build_response_default(&response, jd->d_dialog, code, tr->orig_request);
if (i!=0)
{
OSIP_TRACE(osip_trace(__FILE__,__LINE__,OSIP_INFO1,NULL,"ERROR: Could not create response for invite\n"));
code = 500; /* ? which code to use? */
return -1;
}
if (code==488)
{
osip_message_set_content_length(response, "0");
/* TODO: send message to transaction layer */
evt_answer = osip_new_outgoing_sipmessage(response);
evt_answer->transactionid = tr->transactionid;
osip_transaction_add_event(tr, evt_answer);
__eXosip_wakeup();
return 0;
}
if ( ! body ) {
fprintf(stderr, "%s,%d: body is NULL\n", __FILE__, __LINE__);
return -1;
}
i = osip_message_set_body(response, body, strlen(body));
if (i!=0) {
goto g2atii_error_1;
}
size = (char *) osip_malloc(6*sizeof(char));
sprintf(size,"%i",strlen(body));
i = osip_message_set_content_length(response, size);
osip_free(size);
if (i!=0) goto g2atii_error_1;
i = owsip_message_set_header(response, "content-type", bodytype);
if (i!=0) goto g2atii_error_1;
/* request that estabish a dialog: */
/* 12.1.1 UAS Behavior */
i = complete_answer_that_establish_a_dialog(response, tr->orig_request);
if (i!=0) goto g2atii_error_1; /* ?? */
/* THIS RESPONSE MUST BE SENT RELIABILY until the final ACK is received !! */
/* this response must be stored at the upper layer!!! (it will be destroyed*/
/* right after being sent! */
if (jd==NULL)
{
i = eXosip_dialog_init_as_uas(&jd, owsip_transaction_account_get (tr), tr->orig_request, response);
if (i!=0)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: cannot create dialog!\n"));
return -1;
}
ADD_ELEMENT(jc->c_dialogs, jd);
}
eXosip_dialog_set_200ok(jd, response);
evt_answer = osip_new_outgoing_sipmessage(response);
evt_answer->transactionid = tr->transactionid;
osip_transaction_add_event(tr, evt_answer);
osip_dialog_set_state(jd->d_dialog, DIALOG_CONFIRMED);
__eXosip_wakeup();
return 0;
g2atii_error_1:
osip_message_free(response);
return -1;
}
int eXosip_subscribe_send_subscribe(eXosip_subscribe_t *js,
eXosip_dialog_t *jd, const char *expires)
{
osip_transaction_t *transaction;
osip_message_t *subscribe;
osip_event_t *sipevent;
int i;
if (!jd || !jd->d_dialog)
{
// JULIEN : Maybe the first SUBSCRIBE didn't work
// that's why there's no more dialog
return -1;
}
transaction = eXosip_find_last_out_subscribe(js, jd);
if (transaction!=NULL)
{
if (transaction->state!=NICT_TERMINATED && transaction->state!=NIST_TERMINATED)
return -1;
//<MINHPQ>
// Remove the transaction from dialog structure
if (jd)
owsip_list_remove_element (jd->d_out_trs, transaction); // Remove the transaction from jd->d_out_trs list
if (js && (js->s_out_tr == transaction))
{
js->s_out_tr = NULL; // Remove the transaction from js->s_out_tr
}
eXosip_transaction_free(transaction);
transaction = NULL;
//</MINHPQ>
}
i = _eXosip_build_request_within_dialog(&subscribe, "SUBSCRIBE", jd->d_dialog);
if (i!=0)
return -2;
//<MINHPQ>
if (js->winfo)
{
owsip_message_set_header(subscribe, "Event", "presence.winfo");
owsip_message_set_header(subscribe, "Accept", "application/watcherinfo+xml");
}
//</MINHPQ>
owsip_message_set_expires(subscribe, expires);
i = osip_transaction_init(&transaction,
NICT,
eXosip.j_osip,
subscribe);
if (i!=0)
{
/* TODO: release the j_call.. */
osip_message_free(subscribe);
return -1;
}
_eXosip_subscribe_set_refresh_interval(js, subscribe);
osip_list_add(jd->d_out_trs, transaction, 0);
sipevent = osip_new_outgoing_sipmessage(subscribe);
sipevent->transactionid = transaction->transactionid;
osip_transaction_add_event(transaction, sipevent);
osip_transaction_set_your_instance(transaction, __eXosip_new_jinfo(owsip_dialog_account_get (jd), NULL, jd, js, NULL));
__eXosip_wakeup();
return 0;
}
