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/*
* asterisk -- An open source telephony toolkit.
*
* Copyright (C) 2014, Digium, Inc.
*
* Mark Michelson <mmichelson@digium.com>
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
/*** MODULEINFO
<depend>pjproject</depend>
<depend>res_pjsip</depend>
<depend>res_pjsip_pubsub</depend>
<support_level>core</support_level>
***/
#include "asterisk.h"
#include <pjsip.h>
#include <pjsip_simple.h>
#include <pjlib.h>
#include "asterisk/module.h"
#include "asterisk/res_pjsip.h"
#include "asterisk/res_pjsip_pubsub.h"
#include "asterisk/res_pjsip_presence_xml.h"
#include "asterisk/res_pjsip_body_generator_types.h"
/*!
* \internal
* \brief Adds non standard elements to the xml body
*
* This is some code that was part of the original chan_sip implementation
* that is not part of the RFC 3863 definition, but we are keeping available
* for backward compatability. The original comment stated that Eyebeam
* supports this format.
*/
static void add_eyebeam(pj_pool_t *pool, pj_xml_node *node, const char *pidfstate)
{
static const char *XMLNS_DM_PREFIX = "xmlns:dm";
static const char *XMLNS_DM = "urn:ietf:params:xml:ns:pidf:data-model";
static const char *XMLNS_RPID_PREFIX = "xmlns:rpid";
static const char *XMLNS_RPID = "urn:ietf:params:xml:ns:pidf:rpid";
pj_xml_node *person = ast_sip_presence_xml_create_node(pool, node, "dm:person");
if (pidfstate[0] != '-') {
pj_xml_node *activities = ast_sip_presence_xml_create_node(pool, person, "rpid:activities");
size_t str_size = sizeof("rpid:") + strlen(pidfstate);
char *act_str = ast_alloca(str_size);
/* Safe */
strcpy(act_str, "rpid:");
strcat(act_str, pidfstate);
ast_sip_presence_xml_create_node(pool, activities, act_str);
}
ast_sip_presence_xml_create_attr(pool, node, XMLNS_DM_PREFIX, XMLNS_DM);
ast_sip_presence_xml_create_attr(pool, node, XMLNS_RPID_PREFIX, XMLNS_RPID);
}
static int pidf_supplement_body(void *body, void *data)
{
pjpidf_pres *pres = body;
struct ast_sip_exten_state_data *state_data = data;
char *statestring = NULL, *pidfstate = NULL, *pidfnote = NULL;
enum ast_sip_pidf_state local_state;
ast_sip_presence_exten_state_to_str(state_data->exten_state, &statestring,
&pidfstate, &pidfnote, &local_state, 0);
add_eyebeam(state_data->pool, pres, pidfstate);
return 0;
}
static struct ast_sip_pubsub_body_supplement pidf_supplement = {
.type = "application",
.subtype = "pidf+xml",
.supplement_body = pidf_supplement_body,
};
static int load_module(void)
{
if (ast_sip_pubsub_register_body_supplement(&pidf_supplement)) {
return AST_MODULE_LOAD_DECLINE;
}
return AST_MODULE_LOAD_SUCCESS;
}
static int unload_module(void)
{
ast_sip_pubsub_unregister_body_supplement(&pidf_supplement);
return 0;
}
AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_LOAD_ORDER, "PJSIP PIDF Eyebeam supplement",
.support_level = AST_MODULE_SUPPORT_CORE,
.load = load_module,
.unload = unload_module,
.load_pri = AST_MODPRI_CHANNEL_DEPEND,
.requires = "res_pjsip,res_pjsip_pubsub",
);
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