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/* $Id$ */
/*
* Copyright (C) 2003-2007 Benny Prijono <benny@prijono.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <pjsip-simple/presence.h>
#include <pjsip-simple/errno.h>
#include <pjsip/sip_msg.h>
#include <pjsip/sip_transport.h>
#include <pj/guid.h>
#include <pj/log.h>
#include <pj/pool.h>
#include <pj/string.h>
#define THIS_FILE "presence_body.c"
static const pj_str_t STR_APPLICATION = { "application", 11 };
static const pj_str_t STR_PIDF_XML = { "pidf+xml", 8 };
static const pj_str_t STR_XPIDF_XML = { "xpidf+xml", 9 };
/*
* Function to print XML message body.
*/
static int pres_print_body(struct pjsip_msg_body *msg_body,
char *buf, pj_size_t size)
{
return pj_xml_print(msg_body->data, buf, size, PJ_TRUE);
}
/*
* Function to clone XML document.
*/
static void* xml_clone_data(pj_pool_t *pool, const void *data, unsigned len)
{
PJ_UNUSED_ARG(len);
return pj_xml_clone( pool, data);
}
/*
* This is a utility function to create PIDF message body from PJSIP
* presence status (pjsip_pres_status).
*/
PJ_DEF(pj_status_t) pjsip_pres_create_pidf( pj_pool_t *pool,
const pjsip_pres_status *status,
const pj_str_t *entity,
pjsip_msg_body **p_body )
{
pjpidf_pres *pidf;
pjsip_msg_body *body;
unsigned i;
/* Create <presence>. */
pidf = pjpidf_create(pool, entity);
/* Create <tuple> */
for (i=0; i<status->info_cnt; ++i) {
pjpidf_tuple *pidf_tuple;
pjpidf_status *pidf_status;
pj_str_t id;
/* Add tuple id. */
if (status->info[i].id.slen == 0) {
pj_create_unique_string(pool, &id);
} else {
id = status->info[i].id;
}
pidf_tuple = pjpidf_pres_add_tuple(pool, pidf, &id);
/* Set <contact> */
if (status->info[i].contact.slen)
pjpidf_tuple_set_contact(pool, pidf_tuple,
&status->info[i].contact);
/* Set basic status */
pidf_status = pjpidf_tuple_get_status(pidf_tuple);
pjpidf_status_set_basic_open(pidf_status,
status->info[i].basic_open);
}
body = pj_pool_zalloc(pool, sizeof(pjsip_msg_body));
body->data = pidf;
body->content_type.type = STR_APPLICATION;
body->content_type.subtype = STR_PIDF_XML;
body->print_body = &pres_print_body;
body->clone_data = &xml_clone_data;
*p_body = body;
return PJ_SUCCESS;
}
/*
* This is a utility function to create X-PIDF message body from PJSIP
* presence status (pjsip_pres_status).
*/
PJ_DEF(pj_status_t) pjsip_pres_create_xpidf( pj_pool_t *pool,
const pjsip_pres_status *status,
const pj_str_t *entity,
pjsip_msg_body **p_body )
{
/* Note: PJSIP implementation of XPIDF is not complete!
*/
pjxpidf_pres *xpidf;
pjsip_msg_body *body;
PJ_LOG(4,(THIS_FILE, "Warning: XPIDF format is not fully supported "
"by PJSIP"));
/* Create XPIDF document. */
xpidf = pjxpidf_create(pool, entity);
/* Set basic status. */
if (status->info_cnt > 0)
pjxpidf_set_status( xpidf, status->info[0].basic_open);
else
pjxpidf_set_status( xpidf, PJ_FALSE);
body = pj_pool_zalloc(pool, sizeof(pjsip_msg_body));
body->data = xpidf;
body->content_type.type = STR_APPLICATION;
body->content_type.subtype = STR_XPIDF_XML;
body->print_body = &pres_print_body;
body->clone_data = &xml_clone_data;
*p_body = body;
return PJ_SUCCESS;
}
/*
* This is a utility function to parse PIDF body into PJSIP presence status.
*/
PJ_DEF(pj_status_t) pjsip_pres_parse_pidf( pjsip_rx_data *rdata,
pj_pool_t *pool,
pjsip_pres_status *pres_status)
{
pjpidf_pres *pidf;
pjpidf_tuple *pidf_tuple;
pidf = pjpidf_parse(rdata->tp_info.pool,
rdata->msg_info.msg->body->data,
rdata->msg_info.msg->body->len);
if (pidf == NULL)
return PJSIP_SIMPLE_EBADPIDF;
pres_status->info_cnt = 0;
pidf_tuple = pjpidf_pres_get_first_tuple(pidf);
while (pidf_tuple) {
pjpidf_status *pidf_status;
pj_strdup(pool,
&pres_status->info[pres_status->info_cnt].id,
pjpidf_tuple_get_id(pidf_tuple));
pj_strdup(pool,
&pres_status->info[pres_status->info_cnt].contact,
pjpidf_tuple_get_contact(pidf_tuple));
pidf_status = pjpidf_tuple_get_status(pidf_tuple);
if (pidf_status) {
pres_status->info[pres_status->info_cnt].basic_open =
pjpidf_status_is_basic_open(pidf_status);
} else {
pres_status->info[pres_status->info_cnt].basic_open = PJ_FALSE;
}
pidf_tuple = pjpidf_pres_get_next_tuple( pidf, pidf_tuple );
pres_status->info_cnt++;
}
return PJ_SUCCESS;
}
/*
* This is a utility function to parse X-PIDF body into PJSIP presence status.
*/
PJ_DEF(pj_status_t) pjsip_pres_parse_xpidf(pjsip_rx_data *rdata,
pj_pool_t *pool,
pjsip_pres_status *pres_status)
{
pjxpidf_pres *xpidf;
xpidf = pjxpidf_parse(rdata->tp_info.pool,
rdata->msg_info.msg->body->data,
rdata->msg_info.msg->body->len);
if (xpidf == NULL)
return PJSIP_SIMPLE_EBADXPIDF;
pres_status->info_cnt = 1;
pj_strdup(pool,
&pres_status->info[0].contact,
pjxpidf_get_uri(xpidf));
pres_status->info[0].basic_open = pjxpidf_get_status(xpidf);
pres_status->info[0].id.slen = 0;
return PJ_SUCCESS;
}
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