int
_eXosip2_answer_invite_2xx(eXosip_call_t *jc, eXosip_dialog_t *jd, int code, osip_message_t **answer)
{
int i;
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(answer, NULL, code, tr->orig_request);
else
i = _eXosip_build_response_default(answer, 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"));
return -1;
}
/* request that estabish a dialog: */
/* 12.1.1 UAS Behavior */
i = complete_answer_that_establish_a_dialog(*answer, tr->orig_request);
if (i!=0) goto g2atii_error_1;; /* ?? */
return 0;
g2atii_error_1:
osip_message_free(*answer);
return -1;
}
int
_eXosip_answer_invite_1xx (eXosip_call_t * jc, eXosip_dialog_t * jd, int code,
osip_message_t ** answer)
{
int i;
osip_transaction_t *tr;
*answer = NULL;
tr = eXosip_find_last_inc_invite (jc, jd);
if (tr == NULL)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: cannot find transaction to answer"));
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 (answer, NULL, code, tr->orig_request);
else
i =
_eXosip_build_response_default (answer, jd->d_dialog, code,
tr->orig_request);
if (i != 0)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"ERROR: Could not create response for invite\n"));
return -2;
}
osip_message_set_content_length (*answer, "0");
/* send message to transaction layer */
if (code > 100)
{
i = complete_answer_that_establish_a_dialog (*answer, tr->orig_request);
}
return 0;
}
int
eXosip_answer_invite_3456xx(eXosip_call_t *jc, eXosip_dialog_t *jd, int code, const char *contact)
{
osip_event_t *evt_answer;
osip_message_t *response;
int i;
osip_transaction_t *tr;
tr = eXosip_find_last_inc_invite(jc, jd);
if (tr==NULL)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: cannot find transaction to answer"));
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;
}
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"));
return -1;
}
if ( ( code >= 300 ) && ( code <= 399 ) && ( contact != 0 ) )
{
owsip_message_clean_contacts(response);
osip_message_set_contact(response, contact);
}
osip_message_set_content_length(response, "0");
/* 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;
}
osip_transaction_t *
eXosip_find_last_invite(eXosip_call_t *jc, eXosip_dialog_t *jd )
{
osip_transaction_t *inc_tr;
osip_transaction_t *out_tr;
inc_tr = eXosip_find_last_inc_invite(jc, jd);
out_tr = eXosip_find_last_out_invite(jc, jd);
if (inc_tr==NULL)
return out_tr;
if (out_tr==NULL)
return inc_tr;
if (inc_tr->birth_time>out_tr->birth_time)
return inc_tr;
return out_tr;
}
int
_eXosip_answer_invite_3456xx (eXosip_call_t * jc, eXosip_dialog_t * jd,
int code, osip_message_t ** answer)
{
int i;
osip_transaction_t *tr;
*answer = NULL;
tr = eXosip_find_last_inc_invite (jc, jd);
if (tr == NULL)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: cannot find transaction to answer"));
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;
}
i =
_eXosip_build_response_default (answer, 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"));
return -1;
}
if ((300 <= code) && (code <= 399))
{
/* Should add contact fields */
/* ... */
}
osip_message_set_content_length (*answer, "0");
/* send message to transaction layer */
return 0;
}
int
_eXosip_default_answer_invite_1xx (eXosip_call_t * jc, eXosip_dialog_t * jd,
int code)
{
osip_event_t *evt_answer;
osip_message_t *response;
int i;
osip_transaction_t *tr;
tr = eXosip_find_last_inc_invite (jc, jd);
if (tr == NULL)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: cannot find transaction to answer"));
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_ERROR, NULL,
"ERROR: Could not create response for invite\n"));
return -2;
}
osip_message_set_content_length (response, "0");
/* send message to transaction layer */
if (code > 100)
{
/* request that estabish a dialog: */
/* 12.1.1 UAS Behavior */
i = complete_answer_that_establish_a_dialog (response, tr->orig_request);
if (jd == NULL)
{
i = eXosip_dialog_init_as_uas (&jd, tr->orig_request, response);
if (i != 0)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: cannot create dialog!\n"));
} else
{
ADD_ELEMENT (jc->c_dialogs, jd);
}
}
}
evt_answer = osip_new_outgoing_sipmessage (response);
evt_answer->transactionid = tr->transactionid;
osip_transaction_add_event (tr, evt_answer);
__eXosip_wakeup ();
return 0;
}
int
eXosip_call_terminate (int cid, int did)
{
int i;
osip_transaction_t *tr;
osip_message_t *request = NULL;
eXosip_dialog_t *jd = NULL;
eXosip_call_t *jc = NULL;
if (did <= 0 && cid <= 0)
return OSIP_BADPARAMETER;
if (did > 0)
{
eXosip_call_dialog_find (did, &jc, &jd);
if (jd == NULL)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: No call here?\n"));
return OSIP_NOTFOUND;
}
} else
{
eXosip_call_find (cid, &jc);
}
if (jc == NULL)
{
return OSIP_NOTFOUND;
}
tr = eXosip_find_last_out_invite (jc, jd);
if (jd != NULL && jd->d_dialog != NULL
&& jd->d_dialog->state == DIALOG_CONFIRMED)
{
/* don't send CANCEL on re-INVITE: send BYE instead */
} else if (tr != NULL && tr->last_response != NULL
&& MSG_IS_STATUS_1XX (tr->last_response))
{
i = generating_cancel (&request, tr->orig_request);
if (i != 0)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: cannot terminate this call!\n"));
return i;
}
i = eXosip_create_cancel_transaction (jc, jd, request);
if (i != 0)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: cannot initiate SIP transaction!\n"));
return i;
}
if (jd != NULL)
{
osip_dialog_free (jd->d_dialog);
jd->d_dialog = NULL;
eXosip_update (); /* AMD 30/09/05 */
}
return OSIP_SUCCESS;
}
if (jd == NULL || jd->d_dialog == NULL)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: No established dialog!\n"));
return OSIP_WRONG_STATE;
}
if (tr == NULL)
{
/*this may not be enough if it's a re-INVITE! */
tr = eXosip_find_last_inc_invite (jc, jd);
if (tr != NULL && tr->last_response != NULL &&
MSG_IS_STATUS_1XX (tr->last_response))
{ /* answer with 603 */
osip_generic_param_t *to_tag;
osip_from_param_get_byname (tr->orig_request->to, "tag", &to_tag);
i = eXosip_call_send_answer (tr->transactionid, 603, NULL);
if (to_tag == NULL)
return i;
}
}
if (jd->d_dialog == NULL)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: cannot terminate this call!\n"));
return OSIP_WRONG_STATE;
}
i = generating_bye (&request, jd->d_dialog, eXosip.transport);
if (i != 0)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: cannot terminate this call!\n"));
return i;
}
eXosip_add_authentication_information (request, NULL);
i = eXosip_create_transaction (jc, jd, request);
if (i != 0)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: cannot initiate SIP transaction!\n"));
return i;
}
osip_dialog_free (jd->d_dialog);
jd->d_dialog = NULL;
eXosip_update (); /* AMD 30/09/05 */
return OSIP_SUCCESS;
}
int
eXosip_answer_invite_2xx(eXosip_call_t *jc, eXosip_dialog_t *jd, int code, char *local_sdp_port, char *ctct, char *local_video_port,
char *public_sdp_port, char *public_video_port)
{
osip_event_t *evt_answer;
osip_message_t *response;
int i;
char *size;
char *body = NULL;
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;
}
/* WE SHOULD LOOK FOR A SDP PACKET!! */
if(NULL != osip_list_get(&tr->orig_request->bodies,0))
{
body = generating_sdp_answer(tr->orig_request, jc->c_ctx);
if (body==NULL)
code = 488; /* bad sdp */
}
else
{
if(local_sdp_port==NULL && local_video_port == NULL)
code = 488; /* session description in the request is not acceptable. */
else
/* body is NULL (contains no SDP), generate a response to INVITE w/ no SDP */
body = generating_no_sdp_answer(jc, jd, tr->orig_request, public_sdp_port ? public_sdp_port : local_sdp_port
, public_video_port ? public_video_port : local_video_port);
}
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? */
osip_free(body); /* not used */
return -1;
}
if (code==488)
{
osip_message_set_content_length(response, "0");
/* TODO: send message to transaction layer */
osip_free(body);
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));
#ifdef __APPLE_CC__
sprintf(size,"%li",strlen(body));
#else
sprintf(size,"%i",strlen(body));
#endif
i = osip_message_set_content_length(response, size);
osip_free(size);
if (i!=0) goto g2atii_error_1;
i = osip_message_set_content_type(response, "application/sdp");
if (i!=0) goto g2atii_error_1;
/* request that estabish a dialog: */
/* 12.1.1 UAS Behavior */
{
i = complete_answer_that_establish_a_dialog2(response, tr->orig_request, ctct);
if (i!=0) goto g2atii_error_1;; /* ?? */
}
osip_free(body);
/* 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_free(body);
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_answer_invite_123456xx (eXosip_call_t * jc, eXosip_dialog_t * jd, int code,
osip_message_t ** answer, int send)
{
int i;
osip_transaction_t *tr;
*answer = NULL;
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 OSIP_NOTFOUND;
}
if (code >= 200 && code < 300 && 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 OSIP_WRONG_STATE;
}
/* 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 OSIP_WRONG_STATE;
}
if (jd == NULL)
i = _eXosip_build_response_default (answer, NULL, code, tr->orig_request);
else
i =
_eXosip_build_response_default (answer, 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"));
*answer = NULL;
return i;
}
/* request that estabish a dialog: */
/* 12.1.1 UAS Behavior */
if (code > 100 && code < 300)
{
i = complete_answer_that_establish_a_dialog (*answer, tr->orig_request);
if (i != 0)
{
osip_message_free (*answer);
*answer = NULL;
return i;
}
}
if (send == 1)
{
osip_event_t *evt_answer;
if (code >= 200 && code < 300 && jd != NULL)
{
eXosip_dialog_set_200ok (jd, *answer);
/* wait for a ACK */
osip_dialog_set_state (jd->d_dialog, DIALOG_CONFIRMED);
}
evt_answer = osip_new_outgoing_sipmessage (*answer);
evt_answer->transactionid = tr->transactionid;
osip_transaction_add_event (tr, evt_answer);
__eXosip_wakeup ();
*answer = NULL;
}
return OSIP_SUCCESS;
}