/**Reply to an incoming transaction request (stdarg version).
*
* @deprecated
* Use nta_incoming_treply() instead.
*/
int nta_incoming_vreply(nta_incoming_t *irq,
int status,
char const *phrase,
void const *extra, va_list headers)
{
if (irq->irq_status < 200 || status < 200 ||
(irq->irq_method == sip_method_invite && status < 300)) {
msg_t *msg = nta_msg_create(irq->irq_agent, 0);
sip_t *sip = sip_object(msg);
if (!msg)
return -1;
else if (nta_msg_response_complete(msg, irq, status, phrase) < 0)
msg_destroy(msg);
else if (sip_add_headers(msg, sip, extra, headers) < 0 )
msg_destroy(msg);
else if (sip_message_complete(msg) < 0)
msg_destroy(msg);
else if (nta_incoming_mreply(irq, msg) < 0)
msg_destroy(msg);
else
return 0;
}
return -1;
}
/**Create a request belonging to the leg
* (stdarg version of nta_outgoing_create()).
*
* @deprecated
* Use nta_outgoing_tcreate() or nta_outgoing_mcreate() instead.
*/
nta_outgoing_t *nta_outgoing_vcreate(nta_leg_t *leg,
nta_response_f *callback,
nta_outgoing_magic_t *magic,
url_string_t const *route_url,
sip_method_t method,
char const *name,
url_string_t const *request_uri,
void const *extra,
va_list headers)
{
nta_agent_t *agent = leg->leg_agent;
msg_t *msg = nta_msg_create(agent, 0);
sip_t *sip = sip_object(msg);
nta_outgoing_t *orq;
if (extra &&
sip_add_headers(msg, sip, extra, headers) < 0)
orq = NULL;
else if (route_url && leg->leg_route && !sip->sip_route &&
sip_add_dup(msg, sip, (sip_header_t *)leg->leg_route) < 0)
orq = NULL;
else if (nta_msg_request_complete(msg, leg, method, name, request_uri) < 0)
orq = NULL;
else
orq = nta_outgoing_mcreate(agent, callback, magic, route_url, msg);
if (!orq)
msg_destroy(msg);
return orq;
}
/**Forward a request.
*
* @deprecated
* Use nta_outgoing_mcreate() instead.
*/
nta_outgoing_t *nta_outgoing_tclone(nta_agent_t *agent,
nta_response_f *callback,
nta_outgoing_magic_t *magic,
url_string_t const *route_url,
msg_t *parent,
tag_type_t tag, tag_value_t value, ...)
{
ta_list ta;
msg_t *msg;
nta_outgoing_t *orq = NULL;
if (parent == NULL)
return NULL;
if ((msg = nta_msg_create(agent, 0)) == NULL)
return NULL;
ta_start(ta, tag, value);
msg_clone(msg, parent);
if (parent && sip_copy_all(msg, sip_object(msg), sip_object(parent)) < 0)
;
else if (sip_add_tl(msg, sip_object(msg), ta_tags(ta)) < 0)
;
else
orq = nta_outgoing_mcreate(agent, callback, magic, route_url, msg);
ta_end(ta);
if (!orq)
msg_destroy(msg);
return orq;
}
msg_t *nua_client_request_template(nua_client_request_t *cr)
{
nua_handle_t *nh = cr->cr_owner;
nua_t *nua = nh->nh_nua;
nua_dialog_state_t *ds = nh->nh_ds;
msg_t *msg = nta_msg_create(nua->nua_nta, 0);
sip_t *sip = sip_object(msg);
if (!sip)
return NULL;
if (nh->nh_tags) {
tagi_t const *t = nh->nh_tags;
/* Use the From header from the dialog.
If From is set, it is always first tag in the handle */
if (ds->ds_leg && t->t_tag == siptag_from)
t++;
/* When the INVITE message (or any other SIP message) is
* created, the tagged values saved with nua_handle() are used first. */
sip_add_tagis(msg, sip, &t);
}
return msg;
}
/** Fork an outgoing request (stdarg version of nta_outgoing_fork()).
*
* @deprecated
* Use nta_outgoing_mcreate() instead.
*/
nta_outgoing_t *nta_outgoing_vfork(nta_outgoing_t *old_orq,
nta_response_f *callback,
nta_outgoing_magic_t *magic,
url_string_t const *route_url,
url_string_t const *request_uri,
void const *extra,
va_list headers)
{
nta_outgoing_t * orq;
msg_t *msg, *imsg;
sip_t *sip, *isip;
nta_agent_t *agent;
su_home_t *home;
if (!old_orq || !old_orq->orq_request || !request_uri)
return NULL;
agent = old_orq->orq_agent;
imsg = old_orq->orq_request;
if (!(msg = nta_msg_create(agent, 0)))
return NULL;
msg_clone(msg, imsg);
sip = sip_object(msg); isip = sip_object(imsg);
home = msg_home(msg);
/* Copy the SIP headers from the imsg message */
if (sip_copy_all(msg, sip, isip) < 0)
orq = NULL;
else if (sip_via_remove(msg, sip) == NULL)
orq = NULL;
else if (sip_add_dup(msg, sip_object(msg),
(sip_header_t const *)
sip_request_create(home,
sip->sip_request->rq_method,
sip->sip_request->rq_method_name,
request_uri,
NULL)) < 0)
orq = NULL;
else if (sip_add_headers(msg, sip, extra, headers) < 0)
orq = NULL;
else
orq = nta_outgoing_mcreate(agent, callback, magic, route_url, msg);
if (!orq)
msg_destroy(msg);
return orq;
}
/** Reply to the request message (stdarg version of nta_msg_reply()). */
int nta_msg_vreply(nta_agent_t *agent,
msg_t *req_msg,
int status, char const *phrase,
void *extra, va_list headers)
{
msg_t *reply = nta_msg_create(agent, 0);
sip_t *sip = sip_object(reply);
if (sip_add_headers(reply, sip, extra, headers) < 0)
sip = NULL;
return nta_msg_mreply(agent, reply, sip,
status, phrase, req_msg, TAG_END());
}
/**Get request message.
*
* The function nta_outgoing_getrequest() retrieves the request message sent
* to the network. The request message is copied; the original copy is kept
* by the transaction.
*
* @param orq outgoing transaction handle
*
* @retval
* A pointer to the copy of the request message is returned, or NULL if an
* error occurred.
*/
msg_t *nta_outgoing_getrequest(nta_outgoing_t *orq)
{
if (orq && orq->orq_request) {
msg_t *msg = nta_msg_create(orq->orq_agent, 0);
sip_t *sip = sip_object(msg);
msg_clone(msg, orq->orq_request);
/* Copy the SIP headers from the old message */
if (sip_copy_all(msg, sip, sip_object(orq->orq_request)) >= 0)
return msg;
msg_destroy(msg);
}
return NULL;
}
/**Get response message.
*
* The function nta_incoming_getresponse() retrieves a copy of the latest
* outgoing response message. The response message is copied; the original
* copy is kept by the transaction.
*
* @param irq incoming (server) transaction handle
*
* @retval
* A pointer to the copy of the response message is returned, or NULL if an
* error occurred.
*/
msg_t *nta_incoming_getresponse(nta_incoming_t *irq)
{
if (irq && irq->irq_response) {
msg_t *msg = nta_msg_create(irq->irq_agent, 0);
sip_t *sip = sip_object(msg);
msg_clone(msg, irq->irq_response);
/* Copy the SIP headers from the old message */
if (msg_copy_all(msg, sip, sip_object(irq->irq_response)) >= 0)
return msg;
msg_destroy(msg);
}
return NULL;
}
/** Send a BYE to an INVITE.
*
* @deprecated
* This function should used only if application requires
* RFC2543 compatibility.
*/
nta_outgoing_t *nta_outgoing_tbye(nta_outgoing_t *orq,
nta_response_f *callback,
nta_outgoing_magic_t *magic,
url_string_t const *route_url,
tag_type_t tag, tag_value_t value, ...)
{
msg_t *msg;
sip_t *sip, *inv;
sip_cseq_t *cs;
sip_request_t *rq;
su_home_t *home;
url_string_t *url;
if (orq == NULL || orq->orq_method != sip_method_invite)
return NULL;
inv = sip_object(orq->orq_request);
msg = nta_msg_create(orq->orq_agent, 0);
home = msg_home(msg);
sip = sip_object(msg);
if (inv == NULL || sip == NULL) {
msg_destroy(msg);
return NULL;
}
sip_add_tl(msg, sip,
SIPTAG_TO(inv->sip_to),
SIPTAG_FROM(inv->sip_from),
SIPTAG_CALL_ID(inv->sip_call_id),
SIPTAG_ROUTE(inv->sip_route),
TAG_END());
url = (url_string_t *)inv->sip_request->rq_url;
rq = sip_request_create(home, SIP_METHOD_BYE, url, NULL);
sip_header_insert(msg, sip, (sip_header_t*)rq);
cs = sip_cseq_create(home, inv->sip_cseq->cs_seq + 1, SIP_METHOD_BYE);
sip_header_insert(msg, sip, (sip_header_t*)cs);
return nta_outgoing_mcreate(orq->orq_agent, callback, magic,
route_url, msg);
}
/**Forward a request belonging to the leg
* (stdarg version of nta_outgoing_forward()).
*
* @deprecated
* Use nta_outgoing_mcreate() instead.
*/
nta_outgoing_t *nta_outgoing_vforward(nta_leg_t *leg,
nta_response_f *callback,
nta_outgoing_magic_t *magic,
url_string_t const *route_url,
url_string_t const *request_uri,
nta_incoming_t const *ireq,
sip_t const *isip,
void const *extra,
va_list headers)
{
nta_agent_t *agent = leg->leg_agent;
nta_outgoing_t *orq = NULL;
msg_t *msg, *imsg;
sip_t *sip;
su_home_t *home;
assert(leg); assert(ireq);
if (isip == NULL)
imsg = ireq->irq_request, isip = sip_object(ireq->irq_request);
else if (isip == sip_object(ireq->irq_request))
imsg = ireq->irq_request;
else if (isip == sip_object(ireq->irq_request2))
imsg = ireq->irq_request2;
else {
SU_DEBUG_3(("nta_outgoing_forward: invalid arguments\n"));
return NULL;
}
assert(isip); assert(isip->sip_request);
if (!route_url)
route_url = (url_string_t *)agent->sa_default_proxy;
if (!(msg = nta_msg_create(agent, 0)))
return NULL;
msg_clone(msg, imsg);
sip = sip_object(msg);
home = msg_home(msg);
/* Copy the SIP headers from the @c imsg message */
do {
if (sip_copy_all(msg, sip, isip) < 0)
break;
if (sip_add_headers(msg, sip, extra, headers) < 0)
break;
if (!route_url && sip->sip_route) {
request_uri = (url_string_t *)sip->sip_route->r_url;
if (!sip_route_remove(msg, sip))
break;
}
if (request_uri) {
sip_request_t *rq;
rq = sip_request_create(home,
sip->sip_request->rq_method,
sip->sip_request->rq_method_name,
request_uri,
NULL);
if (!rq || sip_header_insert(msg, sip, (sip_header_t *)rq) < 0)
break;
}
if ((orq = nta_outgoing_mcreate(agent, callback, magic, route_url, msg)))
return orq;
} while (0);
msg_destroy(msg);
return NULL;
}
/** @internal Create a message template for keepalive. */
static int create_keepalive_message(outbound_t *ob, sip_t const *regsip)
{
msg_t *msg = nta_msg_create(ob->ob_nta, MSG_FLG_COMPACT), *previous;
sip_t *osip = sip_object(msg);
sip_contact_t *m = ob->ob_rcontact;
unsigned d = ob->ob_keepalive.interval;
if (msg == NULL)
return -1;
assert(regsip); assert(regsip->sip_request);
if (m && m->m_params) {
sip_accept_contact_t *ac;
size_t i;
int features = 0;
ac = sip_accept_contact_make(msg_home(msg), "*;require;explicit");
for (i = 0; m->m_params[i]; i++) {
char const *s = m->m_params[i];
if (!sip_is_callerpref(s))
continue;
features++;
s = su_strdup(msg_home(msg), s);
msg_header_add_param(msg_home(msg), ac->cp_common, s);
}
if (features)
msg_header_insert(msg, NULL, (void *)ac);
else
msg_header_free(msg_home(msg), (void *)ac);
}
if (0 >
/* Duplicate essential headers from REGISTER request: */
sip_add_tl(msg, osip,
SIPTAG_TO(regsip->sip_to),
SIPTAG_FROM(regsip->sip_from),
/* XXX - we should only use loose routing here */
/* XXX - if we used strict routing,
the route header/request_uri must be restored
*/
SIPTAG_ROUTE(regsip->sip_route),
/* Add Max-Forwards 0 */
TAG_IF(d, SIPTAG_MAX_FORWARDS_STR("0")),
TAG_IF(d, SIPTAG_SUBJECT_STR("KEEPALIVE")),
SIPTAG_CALL_ID_STR(ob->ob_cookie),
SIPTAG_ACCEPT_STR(outbound_content_type),
TAG_END()) ||
/* Create request-line, Call-ID, CSeq */
nta_msg_request_complete(msg,
nta_default_leg(ob->ob_nta),
SIP_METHOD_OPTIONS,
(void *)regsip->sip_to->a_url) < 0 ||
msg_serialize(msg, (void *)osip) < 0 ||
msg_prepare(msg) < 0)
return msg_destroy(msg), -1;
previous = ob->ob_keepalive.msg;
ob->ob_keepalive.msg = msg;
msg_destroy(previous);
return 0;
}
