int
eXosip_call_build_answer (int tid, int status, osip_message_t ** answer)
{
int i = -1;
eXosip_dialog_t *jd = NULL;
eXosip_call_t *jc = NULL;
osip_transaction_t *tr = NULL;
*answer = NULL;
if (tid < 0)
return OSIP_BADPARAMETER;
if (status <= 100)
return OSIP_BADPARAMETER;
if (status > 699)
return OSIP_BADPARAMETER;
if (tid > 0)
{
_eXosip_call_transaction_find (tid, &jc, &jd, &tr);
}
if (tr == NULL || jd == NULL)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: No call here?\n"));
return OSIP_NOTFOUND;
}
if (0 == osip_strcasecmp (tr->orig_request->sip_method, "INVITE"))
{
i = _eXosip_answer_invite_123456xx (jc, jd, status, answer, 0);
} else
{
if (jd != NULL)
i = _eXosip_build_response_default (answer, jd->d_dialog, status,
tr->orig_request);
else
i = _eXosip_build_response_default (answer, NULL, status,
tr->orig_request);
if (i != 0)
{
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL,
"ERROR: Could not create response for %s\n",
tr->orig_request->sip_method));
return i;
}
if (status > 100 && status < 300)
i = complete_answer_that_establish_a_dialog (*answer, tr->orig_request);
}
if (i != 0)
{
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL,
"ERROR: Could not create response for %s\n",
tr->orig_request->sip_method));
return i;
}
return OSIP_SUCCESS;
}
int
_eXosip_insubscription_answer_1xx (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)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: cannot find transaction to answer"));
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 subscribe\n"));
return -1;
}
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"));
}
ADD_ELEMENT (jn->n_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
_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_insubscription_build_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;
*answer = NULL;
if (tid <= 0)
return OSIP_BADPARAMETER;
if (tid > 0)
{
_eXosip_insubscription_transaction_find (tid, &jn, &jd, &tr);
}
if (tr == NULL || jd == NULL || jn == NULL)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: No incoming subscription here?\n"));
return OSIP_NOTFOUND;
}
if (status < 101 || status > 699)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: wrong status code (101<status<699)\n"));
return OSIP_BADPARAMETER;
}
if (jd != NULL)
i =
_eXosip_build_response_default (answer, jd->d_dialog, status,
tr->orig_request);
else
i = _eXosip_build_response_default (answer, NULL, status, tr->orig_request);
if (i != 0)
{
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL,
"ERROR: Could not create response for %s\n",
tr->orig_request->sip_method));
return i;
}
if (status >= 200 && status <= 299)
_eXosip_notify_add_expires_in_2XX_for_subscribe (jn, *answer);
if (status < 300)
i = complete_answer_that_establish_a_dialog (*answer, tr->orig_request);
return i;
}
extern int
_eXosip_answer_refer_123456(eXosip_call_t *jc, eXosip_dialog_t *jd, int code)
{
osip_event_t *evt_answer;
osip_transaction_t *tr;
osip_message_t *response;
int i;
tr = eXosip_find_last_inc_refer(jc, jd);
if (tr==NULL)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: cannot find transaction to answer"));
return -1;
}
if (jd!=NULL)
{
i = _eXosip_build_response_default(&response, jd->d_dialog, code, tr->orig_request);
}
else
{
i = _eXosip_build_response_default(&response, NULL, code, tr->orig_request);
}
if (i!=0)
{
OSIP_TRACE(osip_trace(__FILE__,__LINE__,OSIP_INFO1,NULL,"ERROR: Could not create response for REFER\n"));
return -1;
}
if ( ( code >= 200 ) && ( code <= 299) )
complete_answer_that_establish_a_dialog(response, tr->orig_request);
/* Yet another eeek */
/* if (300<=code<=399) */
/* { */
/* /\* Should add contact fields *\/ */
/* /\* ... *\/ */
/* } */
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;
}
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_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_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_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;
}
