int
_eXosip_dialog_init_as_uac (eXosip_dialog_t ** _jd, osip_message_t * _200Ok)
{
int i;
eXosip_dialog_t *jd;
*_jd = NULL;
jd = (eXosip_dialog_t *) osip_malloc (sizeof (eXosip_dialog_t));
if (jd == NULL)
return OSIP_NOMEM;
memset (jd, 0, sizeof (eXosip_dialog_t));
jd->d_id = -1; /* not yet available to user */
if (MSG_IS_REQUEST (_200Ok)) {
i = osip_dialog_init_as_uac_with_remote_request (&(jd->d_dialog), _200Ok, -1);
}
else { /* normal usage with response */
i = osip_dialog_init_as_uac (&(jd->d_dialog), _200Ok);
}
if (i != 0) {
osip_free (jd);
return i;
}
jd->d_count = 0;
jd->d_session_timer_start = 0;
jd->d_session_timer_length = 0;
jd->d_refresher = -1; /* 0 -> me / 1 -> remote */
jd->d_timer = osip_getsystemtime (NULL);
jd->d_200Ok = NULL;
jd->d_ack = NULL;
jd->next = NULL;
jd->parent = NULL;
jd->d_out_trs = (osip_list_t *) osip_malloc (sizeof (osip_list_t));
if (jd->d_out_trs == NULL) {
osip_dialog_free (jd->d_dialog);
osip_free (jd);
return OSIP_NOMEM;
}
osip_list_init (jd->d_out_trs);
jd->d_inc_trs = (osip_list_t *) osip_malloc (sizeof (osip_list_t));
if (jd->d_inc_trs == NULL) {
osip_dialog_free (jd->d_dialog);
osip_free (jd->d_out_trs);
osip_free (jd);
return OSIP_NOMEM;
}
osip_list_init (jd->d_inc_trs);
*_jd = jd;
return OSIP_SUCCESS;
}
int
_eXosip_dialog_init_as_uas (eXosip_dialog_t ** _jd, osip_message_t * _invite, osip_message_t * _200Ok)
{
int i;
eXosip_dialog_t *jd;
*_jd = NULL;
jd = (eXosip_dialog_t *) osip_malloc (sizeof (eXosip_dialog_t));
if (jd == NULL)
return OSIP_NOMEM;
memset (jd, 0, sizeof (eXosip_dialog_t));
jd->d_id = -1; /* not yet available to user */
i = osip_dialog_init_as_uas (&(jd->d_dialog), _invite, _200Ok);
if (i != 0) {
osip_free (jd);
return i;
}
jd->d_count = 0;
jd->d_session_timer_start = 0;
jd->d_session_timer_length = 0;
jd->d_session_timer_use_update = -1;
jd->d_refresher = -1; /* 0 -> me / 1 -> remote */
jd->d_timer = osip_getsystemtime (NULL);
jd->d_200Ok = NULL;
jd->d_ack = NULL;
jd->next = NULL;
jd->parent = NULL;
jd->d_out_trs = (osip_list_t *) osip_malloc (sizeof (osip_list_t));
if (jd->d_out_trs == NULL) {
osip_dialog_free (jd->d_dialog);
osip_free (jd);
return OSIP_NOMEM;
}
osip_list_init (jd->d_out_trs);
jd->d_inc_trs = (osip_list_t *) osip_malloc (sizeof (osip_list_t));
if (jd->d_inc_trs == NULL) {
osip_dialog_free (jd->d_dialog);
osip_free (jd->d_out_trs);
osip_free (jd);
return OSIP_NOMEM;
}
osip_list_init (jd->d_inc_trs);
jd->d_dialog->local_cseq = 1;
*_jd = jd;
return OSIP_SUCCESS;
}
void
eXosip_dialog_free (eXosip_dialog_t * jd)
{
while (!osip_list_eol (jd->d_inc_trs, 0))
{
osip_transaction_t *tr;
tr = (osip_transaction_t *) osip_list_get (jd->d_inc_trs, 0);
osip_list_remove (jd->d_inc_trs, 0);
__eXosip_delete_jinfo (tr);
osip_list_add (eXosip.j_transactions, tr, 0);
}
while (!osip_list_eol (jd->d_out_trs, 0))
{
osip_transaction_t *tr;
tr = (osip_transaction_t *) osip_list_get (jd->d_out_trs, 0);
osip_list_remove (jd->d_out_trs, 0);
__eXosip_delete_jinfo (tr);
osip_list_add (eXosip.j_transactions, tr, 0);
}
osip_message_free (jd->d_200Ok);
osip_message_free (jd->d_ack);
osip_dialog_free (jd->d_dialog);
osip_free (jd->d_out_trs);
osip_free (jd->d_inc_trs);
osip_free (jd);
eXosip_update ();
}
void
_eXosip_dialog_free (struct eXosip_t *excontext, eXosip_dialog_t * jd)
{
while (!osip_list_eol (jd->d_inc_trs, 0)) {
osip_transaction_t *tr;
tr = (osip_transaction_t *) osip_list_get (jd->d_inc_trs, 0);
osip_list_remove (jd->d_inc_trs, 0);
_eXosip_delete_reserved (tr);
osip_list_add (&excontext->j_transactions, tr, 0);
}
while (!osip_list_eol (jd->d_out_trs, 0)) {
osip_transaction_t *tr;
tr = (osip_transaction_t *) osip_list_get (jd->d_out_trs, 0);
osip_list_remove (jd->d_out_trs, 0);
_eXosip_delete_reserved (tr);
osip_list_add (&excontext->j_transactions, tr, 0);
}
osip_message_free (jd->d_200Ok);
osip_message_free (jd->d_ack);
osip_dialog_free (jd->d_dialog);
osip_free (jd->d_out_trs);
osip_free (jd->d_inc_trs);
osip_free (jd);
_eXosip_update (excontext);
}
static int
__osip_dialog_init (osip_dialog_t ** dialog, osip_message_t * invite, osip_message_t * response, osip_from_t * local, osip_to_t * remote, osip_message_t * remote_msg)
{
int i;
int pos;
osip_generic_param_t *tag;
*dialog = NULL;
if (response == NULL)
return OSIP_BADPARAMETER;
if (response->cseq == NULL || local == NULL || remote == NULL)
return OSIP_SYNTAXERROR;
(*dialog) = (osip_dialog_t *) osip_malloc (sizeof (osip_dialog_t));
if (*dialog == NULL)
return OSIP_NOMEM;
memset (*dialog, 0, sizeof (osip_dialog_t));
(*dialog)->your_instance = NULL;
if (MSG_IS_STATUS_2XX (response))
(*dialog)->state = DIALOG_CONFIRMED;
else /* 1XX */
(*dialog)->state = DIALOG_EARLY;
i = osip_call_id_to_str (response->call_id, &((*dialog)->call_id));
if (i != 0) {
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL, "Could not establish dialog!\n"));
osip_dialog_free (*dialog);
*dialog = NULL;
return i;
}
i = osip_to_get_tag (local, &tag);
if (i != 0) {
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL, "Could not establish dialog!\n"));
osip_dialog_free (*dialog);
*dialog = NULL;
return i;
}
(*dialog)->local_tag = osip_strdup (tag->gvalue);
i = osip_from_get_tag (remote, &tag);
if (i == 0)
(*dialog)->remote_tag = osip_strdup (tag->gvalue);
/* VR-2785: remember line value */
if (invite) {
osip_uri_param_t *line_param;
i = osip_uri_param_get_byname (&invite->req_uri->url_params, "line", &line_param);
if (i == 0 && line_param != NULL && line_param->gvalue != NULL)
(*dialog)->line_param = osip_strdup (line_param->gvalue);
}
osip_list_init (&(*dialog)->route_set);
pos = 0;
while (!osip_list_eol (&response->record_routes, pos)) {
osip_record_route_t *rr;
osip_record_route_t *rr2;
rr = (osip_record_route_t *) osip_list_get (&response->record_routes, pos);
i = osip_record_route_clone (rr, &rr2);
if (i != 0) {
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL, "Could not establish dialog!\n"));
osip_dialog_free (*dialog);
*dialog = NULL;
return i;
}
if (invite == NULL)
osip_list_add (&(*dialog)->route_set, rr2, 0);
else
osip_list_add (&(*dialog)->route_set, rr2, -1);
pos++;
}
/* local_cseq is set to response->cseq->number for better
handling of bad UA */
(*dialog)->local_cseq = osip_atoi (response->cseq->number);
i = osip_from_clone (remote, &((*dialog)->remote_uri));
if (i != 0) {
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL, "Could not establish dialog!\n"));
osip_dialog_free (*dialog);
*dialog = NULL;
return i;
}
i = osip_to_clone (local, &((*dialog)->local_uri));
if (i != 0) {
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL, "Could not establish dialog!\n"));
osip_dialog_free (*dialog);
*dialog = NULL;
return i;
}
{
osip_contact_t *contact;
if (!osip_list_eol (&remote_msg->contacts, 0)) {
contact = osip_list_get (&remote_msg->contacts, 0);
i = osip_contact_clone (contact, &((*dialog)->remote_contact_uri));
if (i != 0) {
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL, "Could not establish dialog!\n"));
osip_dialog_free (*dialog);
*dialog = NULL;
return i;
}
}
else {
(*dialog)->remote_contact_uri = NULL;
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_WARNING, NULL, "Remote UA is not compliant: missing a contact in remote message!\n"));
}
}
(*dialog)->secure = -1; /* non secure */
return OSIP_SUCCESS;
}
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;
}
