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freeswitch/libs/sofia-sip/libsofia-sip-ua/nta/nta_compat.c

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/*
* This file is part of the Sofia-SIP package
*
* Copyright (C) 2005 Nokia Corporation.
*
* Contact: Pekka Pessi <pekka.pessi@nokia.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
*/
/**@CFILE nta_compat.c
* @brief Compatibility functions for Nokia SIP Transaction API
*
* These functions are deprecated and should not be used anymore.
*
* @author Pekka Pessi <Pekka.Pessi@nokia.com>
*
* @date Created: Tue Jul 24 22:28:34 2001 ppessi
*/
#include "config.h"
#include <stdarg.h>
#include <string.h>
#include <assert.h>
#include <sofia-sip/su_tagarg.h>
#include "sofia-sip/nta.h"
#include "nta_compat.h"
#include "nta_internal.h"
#include <sofia-sip/sip_header.h>
#include <sofia-sip/sip_util.h>
/** Set UAS flag value.
*
* The function nta_agent_set_uas() is used to set or clear User Agent
* Server flag.
*
* Currently, the flag determines how the agent handles 2XX replies to an
* incoming INVITE request. If flag is set, the agent resends the 2XX final
* responses to an INVITE.
*
* @deprecated Use nta_agent_set_params() and NTATAG_UA() instead.
*/
int nta_agent_set_uas(nta_agent_t *agent, int value)
{
int retval = 1;
nta_agent_set_params(agent, NTATAG_UA(value != 0), TAG_END());
nta_agent_get_params(agent, NTATAG_UA_REF(retval), TAG_END());
return retval;
}
/** Set branch key.
*
* @deprecated Use nta_agent_set_params() and NTATAG_BRANCH_KEY() instead.
*/
msg_param_t nta_agent_set_branch(nta_agent_t *agent,
msg_param_t branch)
{
msg_param_t retval = "";
nta_agent_set_params(agent, NTATAG_BRANCH_KEY(branch), TAG_END());
nta_agent_get_params(agent, NTATAG_BRANCH_KEY_REF(retval), TAG_END());
return retval;
}
/** Set default proxy.
*
* @deprecated Use nta_agent_set_params() and NTATAG_DEFAULT_PROXY() instead.
*/
int nta_agent_set_proxy(nta_agent_t *agent, url_string_t const *u)
{
if (agent)
nta_agent_set_params(agent, NTATAG_DEFAULT_PROXY(u), TAG_END());
return 0;
}
/**Return default @b Tag.
*
* The function nta_agent_tag() returns the default @To @b tag
* which is used by NTA agent.
*
* @param agent NTA agent object
*
* @return The default tag used by NTA agent.
*
* @deprecated Use nta_agent_newtag() to generate a new, unique tag value.
*
* @sa NTATAG_TAG_3261().
*/
msg_param_t nta_agent_tag(nta_agent_t const *agent)
{
return
(agent && agent->sa_2543_tag)
? agent->sa_2543_tag + strlen("tag=")
: NULL;
}
/** Reply to the request message. */
int nta_msg_reply(nta_agent_t *agent,
msg_t *msg,
int status, char const *phrase,
void *extra, ...)
{
int retval;
va_list(headers);
va_start(headers, extra);
retval = nta_msg_vreply(agent, msg, status, phrase, extra, headers);
va_end(headers);
return retval;
}
/** 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());
}
/** Send the message (stdarg version of nta_msg_send()). */
int nta_msg_vsend(nta_agent_t *agent, msg_t *msg, url_string_t const *u,
void *extra, va_list headers)
{
sip_t *sip = sip_object(msg);
if (extra && sip_add_headers(msg, sip, extra, headers) < 0) {
msg_destroy(msg);
return -1;
}
return nta_msg_tsend(agent, msg, u, TAG_END());
}
/** Send the message. */
int nta_msg_send(nta_agent_t *agent, msg_t *msg, url_string_t const *u,
void *extra, ...)
{
int retval;
va_list headers;
va_start(headers, extra);
retval = nta_msg_vsend(agent, msg, u, extra, headers);
va_end(headers);
return retval;
}
/**
* Create a new leg object for incoming request message.
*
* @param agent agent object
* @param callback function which is called for each
* incoming request belonging to this leg
* @param magic call leg context
* @param msg a request message
*
* @note The ownership of @a msg will pass back to NTA upon successful call
* to the function nta_msg_leg(). In other words, if the call to @a
* nta_msg_leg() is successful, the application may not do anything with @a
* msg anymore. Instead of that, NTA will create of a new incoming request
* object for the @a msg and eventually return the request to application by
* calling the @a callback function.
*
* @deprecated Use nta_leg_stateful() instead.
*/
nta_leg_t *nta_msg_leg(nta_agent_t *agent,
msg_t *msg,
nta_request_f *callback,
nta_leg_magic_t *magic,
...)
{
nta_leg_t *leg;
sip_t *sip = sip_object(msg);
SU_DEBUG_9(("\tnta_msg_leg(): called\n"));
assert(msg && sip && sip->sip_request);
if (!msg || !sip || !sip->sip_request || !callback)
return NULL;
leg = nta_leg_tcreate(agent, callback, magic,
SIPTAG_CALL_ID(sip->sip_call_id),
SIPTAG_FROM(sip->sip_to), /* local address */
SIPTAG_TO(sip->sip_from), /* remote address */
TAG_END());
if (!leg)
/* xyzzy */;
else if (nta_leg_server_route(leg, sip->sip_record_route,
sip->sip_contact) < 0)
nta_leg_destroy(leg), leg = NULL;
else if (nta_leg_stateful(leg, msg) < 0)
nta_leg_destroy(leg), leg = NULL;
SU_DEBUG_9(("\tnta_msg_leg(): returns %p\n", leg));
return leg;
}
static void sm_leg_recv(su_root_magic_t *rm,
su_msg_r msg,
union sm_arg_u *u);
/** Process msg statefully using the leg. */
int nta_leg_stateful(nta_leg_t *leg, msg_t *msg)
{
su_msg_r su_msg = SU_MSG_RINITIALIZER;
nta_agent_t *agent = leg->leg_agent;
su_root_t *root = agent->sa_root;
struct leg_recv_s *a;
/* Create a su message that is passed to NTA network thread */
if (su_msg_create(su_msg,
su_root_task(root),
su_root_task(root),
sm_leg_recv, /* Function to call */
sizeof(struct leg_recv_s)) == SU_FAILURE)
return -1;
agent->sa_stats->as_trless_to_tr++;
a = su_msg_data(su_msg)->a_leg_recv;
a->leg = leg;
a->msg = msg;
a->tport = tport_incref(tport_delivered_by(agent->sa_tports, msg));
return su_msg_send(su_msg);
}
/** @internal Delayed leg_recv(). */
static
void sm_leg_recv(su_root_magic_t *rm,
su_msg_r msg,
union sm_arg_u *u)
{
struct leg_recv_s *a = u->a_leg_recv;
leg_recv(a->leg, a->msg, sip_object(a->msg), a->tport);
tport_decref(&a->tport);
}
/**Create a new leg object
*
* @param agent agent object
* @param callback function which is called for each
* incoming request belonging to this leg
* @param magic call leg context
* @param i optional @CallID
* (if @c NULL, an ID generated by @b NTA is used)
* @param from optional @From (local address)
* @param to optional @To (remote address)
* @param extra, ... optional extra headers, terminated with a @c NULL
*
* @deprecated Use nta_leg_tcreate() instead.
*/
nta_leg_t *nta_leg_create(nta_agent_t *agent,
nta_request_f *callback,
nta_leg_magic_t *magic,
sip_call_id_t const *i,
sip_from_t const *from,
sip_to_t const *to,
void const *extra, ...)
{
nta_leg_t *leg;
va_list headers;
va_start(headers, extra);
leg = nta_leg_vcreate(agent, callback, magic,
i, from, to,
extra, headers);
va_end(headers);
return leg;
}
/**
* Create a new leg object
*
* @param agent agent object
* @param callback function which is called for each
* incoming request belonging to this leg
* @param magic call leg context
* @param i optional @CallID
* (if @c NULL, an ID generated by @b NTA is used)
* @param from optional @From (local address)
* @param to optional @To (remote address)
* @param extra optional extra header
* @param headers va_list of optional extra headers
*
* @deprecated Use nta_leg_tcreate() instead.
*/
nta_leg_t *nta_leg_vcreate(nta_agent_t *agent,
nta_request_f *callback,
nta_leg_magic_t *magic,
sip_call_id_t const *i,
sip_from_t const *from,
sip_to_t const *to,
void const *extra, va_list headers)
{
sip_route_t const *route = NULL;
sip_cseq_t const *cseq = NULL;
for (; extra ; extra = va_arg(headers, void *)) {
sip_header_t const *h = (sip_header_t const *)extra;
if (h == SIP_NONE)
continue;
else if (sip_call_id_p(h)) {
if (i == NULL) i = h->sh_call_id;
}
else if (sip_from_p(h)) {
if (from == NULL) from = h->sh_from;
}
else if (sip_to_p(h)) {
if (to == NULL) to = h->sh_to;
}
else if (sip_route_p(h)) {
route = h->sh_route;
}
else if (sip_cseq_p(h)) {
cseq = h->sh_cseq;
}
else {
SU_DEBUG_3(("nta_leg_create: extra header %s\n",
sip_header_name(h, 0)));
}
}
return nta_leg_tcreate(agent, callback, magic,
NTATAG_NO_DIALOG(i == SIP_NONE->sh_call_id),
TAG_IF(i != SIP_NONE->sh_call_id, SIPTAG_CALL_ID(i)),
TAG_IF(from != SIP_NONE->sh_from, SIPTAG_FROM(from)),
TAG_IF(to != SIP_NONE->sh_to, SIPTAG_TO(to)),
SIPTAG_ROUTE(route),
SIPTAG_CSEQ(cseq),
TAG_END());
}
/**Mark leg as branchable.
*
* This function does currently absolutely nothing.
*
* @param leg leg to be marked branchable.
*
* @note Currently, all legs @b are branchable.
*
* @deprecated Do not use.
*/
int nta_leg_branch(nta_leg_t *leg)
{
return 0;
}
/** Add route from final response
*
* @deprecated Use nta_leg_client_route().
*/
int nta_leg_route(nta_leg_t *leg,
sip_record_route_t const *route,
sip_contact_t const *contact,
url_string_t const *url)
{
return nta_leg_client_route(leg, route, contact);
}
#if 0
/**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;
}
/**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 latest response message.
*
* The function nta_outgoing_getresponse() retrieves the latest incoming
* response message to the outgoing transaction. Note that the message is
* not copied, but removed from the transaction.
*
* @param orq outgoing transaction handle
*
* @retval
* A pointer to response message is returned, or NULL if no response message
* has been received or the response message has already been retrieved.
*/
msg_t *nta_outgoing_getresponse(nta_outgoing_t *orq)
{
msg_t *msg = NULL;
if (orq && orq->orq_response)
msg = orq->orq_response, orq->orq_response = NULL;
return msg;
}
#endif
/** Create an outgoing request belonging to the leg.
*
* The function nta_outgoing_create() creates an outgoing transaction and
* sends the request. The request is sent to the @a route_url (if
* non-NULL), default proxy (as specified by nta_agent_set_proxy()), or to
* the address specified by @a request_uri. In the latest case, all the
* tranport parameters are stripped from the request_uri. If no @a
* request_uri is specified, it is taken from the @To header.
*
* When NTA receives response to the request, it invokes the @c callback
* function.
*
* @param leg call leg object
* @param callback callback function (may be @c NULL)
* @param magic application context pointer
* @param route_url URL used to route transaction requests
* @param method method type
* @param name method name
* @param request_uri Request-URI
* @param extra, ... list of extra headers
*
* @return
* The function nta_outgoing_create() returns a pointer to newly created
* outgoing transaction object if successful, and NULL otherwise.
*
* @deprecated
* Use nta_outgoing_tcreate() or nta_outgoing_mcreate() instead.
*/
nta_outgoing_t *nta_outgoing_create(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, ...)
{
nta_outgoing_t *orq;
va_list headers;
va_start(headers, extra);
orq = nta_outgoing_vcreate(leg, callback, magic,
route_url, method, name, request_uri,
extra, headers);
va_end(headers);
return orq;
}
/**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;
}
/** Forward a request belonging to the leg.
*
* The function nta_outgoing_forward() will create an outgoing transaction
* based on the incoming transaction. The forwarded message is specified by
* @a isip parameter. The caller rewrite the URL by giving non-NULL @a
* request_url.
*
* The request is sent to the server specified by @a route_url if it is
* non-NULL.
*
* @deprecated
* Use nta_outgoing_mcreate() instead.
*/
nta_outgoing_t *nta_outgoing_forward(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 *ireq,
sip_t const *isip,
void const *extra, ...)
{
nta_outgoing_t *orq;
va_list headers;
va_start(headers, extra);
orq = nta_outgoing_vforward(leg, callback, magic, route_url, request_uri,
ireq, isip, extra, headers);
va_end(headers);
return orq;
}
/**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;
}
/** Fork an outgoing request toward another destination.
*
* @deprecated
* Use nta_outgoing_mcreate() instead.
*/
nta_outgoing_t *nta_outgoing_fork(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, ...)
{
nta_outgoing_t *orq;
va_list headers;
va_start(headers, extra);
orq = nta_outgoing_vfork(old_orq, callback, magic, route_url,
request_uri, extra, headers);
va_end(headers);
return orq;
}
/** 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 an incoming transaction request.
*
* This function creates and sends a response message to an incoming request.
* It is possible to send several non-final (1xx) responses, but only one
* final response.
*
* @param irq incoming request
* @param status status code
* @param phrase status phrase (may be NULL if status code is well-known)
* @param extra, ... optional additional headers terminated by NULL
*
* @deprecated
* Use nta_incoming_treply() instead.
*/
int nta_incoming_reply(nta_incoming_t *irq,
int status,
char const *phrase,
void const *extra,
...)
{
int retval;
va_list headers;
va_start(headers, extra);
retval = nta_incoming_vreply(irq, status, phrase, extra, headers);
va_end(headers);
return retval;
}
/**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;
}
/**
* Forward a response to incoming transaction.
*
* This function forwards a response message from outgoing request to an
* incoming request. It copies the message save the first via field, and
* send the response message to the address specified in the second via.
*
* It is possible to send several non-final (1xx) responses, but only one
* final response.
*
* @param irq incoming request
* @param orq
* @param sip message structure for outgoing transaction
* @param extra, ... list of optional additional headers terminated by NULL
*
* @bug Adding extra headers is unimplemented.
*
* @deprecated Use nta_incoming_mreply() instead.
*/
int nta_incoming_forward(nta_incoming_t *irq,
nta_outgoing_t *orq,
sip_t const *sip,
void const *extra, ...)
{
msg_t *msg = nta_outgoing_response(orq);
int status;
if (irq == NULL || sip == NULL || msg == NULL || sip != sip_object(msg))
return -1;
status = sip->sip_status->st_status;
sip_via_remove(msg, (sip_t *)sip); /* Remove topmost via */
if (sip_message_complete(msg) < 0)
msg_destroy(msg);
if (nta_incoming_mreply(irq, msg) < 0)
msg_destroy(msg);
else
return 0;
return -1;
}
/** 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);
}
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