osip_route.c
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/*
The oSIP library implements the Session Initiation Protocol (SIP -rfc3261-)
Copyright (C) 2001-2020 Aymeric MOIZARD amoizard@antisip.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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <osipparser2/internal.h>
#include <osipparser2/osip_port.h>
#include <osipparser2/osip_message.h>
#include <osipparser2/osip_parser.h>
#ifndef MINISIZE
int osip_route_init(osip_route_t **route) {
return osip_from_init((osip_from_t **) route);
}
#endif
/* adds the route header to message. */
/* INPUT : const char *hvalue | value of header. */
/* OUTPUT: osip_message_t *sip | structure to save results. */
/* returns -1 on error. */
int osip_message_set_route(osip_message_t *sip, const char *hvalue) {
osip_route_t *route;
int i;
if (hvalue == NULL || hvalue[0] == '\0')
return OSIP_SUCCESS;
i = osip_route_init(&route);
if (i != 0)
return i;
i = osip_route_parse(route, hvalue);
if (i != 0) {
osip_route_free(route);
return i;
}
sip->message_property = 2;
osip_list_add(&sip->routes, route, -1);
return OSIP_SUCCESS;
}
#ifndef MINISIZE
/* returns the route header. */
/* INPUT : osip_message_t *sip | sip message. */
/* returns null on error. */
int osip_message_get_route(const osip_message_t *sip, int pos, osip_route_t **dest) {
osip_route_t *route;
*dest = NULL;
if (osip_list_size(&sip->routes) <= pos)
return OSIP_UNDEFINED_ERROR; /* does not exist */
route = (osip_route_t *) osip_list_get(&sip->routes, pos);
*dest = route;
return pos;
}
#endif
#ifndef MINISIZE
int osip_route_parse(osip_route_t *route, const char *hvalue) {
return osip_from_parse((osip_from_t *) route, hvalue);
}
/* returns the route header as a string. */
/* INPUT : osip_route_t *route | route header. */
/* returns null on error. */
int osip_route_to_str(const osip_route_t *route, char **dest) {
/* we can't use osip_from_to_str(): route and record_route */
/* always use brackets. */
return osip_record_route_to_str((osip_record_route_t *) route, dest);
}
/* deallocates a osip_route_t structure. */
/* INPUT : osip_route_t *route | route header. */
void osip_route_free(osip_route_t *route) {
osip_from_free((osip_from_t *) route);
}
#endif