int
_eXosip_insubscription_answer_2xx (eXosip_notify_t * jn, 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_subscribe (jn, 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, this is a no hop! */
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: cannot answer this closed transaction\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 subscribe\n"));
code = 500; /* ? which code to use? */
return -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, 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 (jn->n_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);
__eXosip_wakeup ();
osip_dialog_set_state (jd->d_dialog, DIALOG_CONFIRMED);
return 0;
g2atii_error_1:
osip_message_free (response);
return -1;
}
int
eXosip_call_send_answer (int tid, int status, osip_message_t * answer)
{
eXosip_dialog_t *jd = NULL;
eXosip_call_t *jc = NULL;
osip_transaction_t *tr = NULL;
osip_event_t *evt_answer;
if (tid < 0)
{
osip_message_free (answer);
return OSIP_BADPARAMETER;
}
if (status <= 100)
{
osip_message_free (answer);
return OSIP_BADPARAMETER;
}
if (status > 699)
{
osip_message_free (answer);
return OSIP_BADPARAMETER;
}
if (tid > 0)
{
_eXosip_call_transaction_find (tid, &jc, &jd, &tr);
}
if (jd == 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"));
osip_message_free (answer);
return OSIP_NOTFOUND;
}
if (answer == NULL)
{
if (0 == osip_strcasecmp (tr->orig_request->sip_method, "INVITE"))
{
if (status >= 200 && status <= 299)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: Wrong parameter?\n"));
osip_message_free (answer);
return OSIP_BADPARAMETER;
}
}
}
/* is the transaction already answered? */
if (tr->state == IST_COMPLETED
|| tr->state == IST_CONFIRMED
|| tr->state == IST_TERMINATED
|| tr->state == NIST_COMPLETED || tr->state == NIST_TERMINATED)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: transaction already answered\n"));
osip_message_free (answer);
return OSIP_WRONG_STATE;
}
if (answer == NULL)
{
if (0 == osip_strcasecmp (tr->orig_request->sip_method, "INVITE"))
{
osip_message_t *response;
return _eXosip_answer_invite_123456xx (jc, jd, status, &response, 1);
}
osip_message_free (answer);
return OSIP_BADPARAMETER;
}
if (0 == osip_strcasecmp (tr->orig_request->sip_method, "INVITE"))
{
if (MSG_IS_STATUS_2XX (answer) && jd != NULL)
{
if (status >= 200 && status < 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_update ();
__eXosip_wakeup ();
return OSIP_SUCCESS;
}
int
eXosip_insubscription_send_answer (int tid, int status, osip_message_t * answer)
{
int i = -1;
eXosip_dialog_t *jd = NULL;
eXosip_notify_t *jn = NULL;
osip_transaction_t *tr = NULL;
osip_event_t *evt_answer;
if (tid > 0)
{
_eXosip_insubscription_transaction_find (tid, &jn, &jd, &tr);
}
if (jd == NULL || tr == NULL || tr->orig_request == NULL
|| tr->orig_request->sip_method == NULL)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: No incoming subscription here?\n"));
osip_message_free (answer);
return -1;
}
if (answer == NULL)
{
if (0 == osip_strcasecmp (tr->orig_request->sip_method, "SUBSCRIBE"))
{
if (status >= 101 && status <= 199)
{
} else if (status >= 300 && status <= 699)
{
} else
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: Wrong parameter?\n"));
return -1;
}
}
}
/* is the transaction already answered? */
if (tr->state == NIST_COMPLETED || tr->state == NIST_TERMINATED)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: transaction already answered\n"));
osip_message_free (answer);
return -1;
}
if (answer == NULL)
{
if (0 == osip_strcasecmp (tr->orig_request->sip_method, "SUBSCRIBE"))
{
if (status < 200)
i = _eXosip_insubscription_answer_1xx (jn, jd, status);
else
i = _eXosip_insubscription_answer_3456xx (jn, jd, status);
if (i != 0)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: cannot send response!\n"));
return -1;
}
} else
{
/* TODO */
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: a response must be given!\n"));
return -1;
}
return 0;
} else
{
i = 0;
}
if (0 == osip_strcasecmp (tr->orig_request->sip_method, "SUBSCRIBE"))
{
if (MSG_IS_STATUS_1XX (answer))
{
} else if (MSG_IS_STATUS_2XX (answer))
{
eXosip_dialog_set_200ok (jd, answer);
osip_dialog_set_state (jd->d_dialog, DIALOG_CONFIRMED);
} else if (answer->status_code >= 300 && answer->status_code <= 699)
{
i = 0;
} else
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: wrong status code (101<status<699)\n"));
osip_message_free (answer);
return -1;
}
if (i != 0)
{
osip_message_free (answer);
return -1;
}
}
evt_answer = osip_new_outgoing_sipmessage (answer);
evt_answer->transactionid = tr->transactionid;
osip_transaction_add_event (tr, evt_answer);
eXosip_update ();
__eXosip_wakeup ();
return 0;
}
int
_eXosip_answer_invite_123456xx (struct eXosip_t *excontext, 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 (excontext, answer, NULL, code, tr->orig_request);
else
i = _eXosip_build_response_default (excontext, 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 = _eXosip_complete_answer_that_establish_a_dialog (excontext, *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 (excontext);
*answer = NULL;
}
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;
}