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/*
* asterisk -- An open source telephony toolkit.
*
* Copyright (C) 2014, Digium, Inc.
*
* Kevin Harwell <kharwell@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/presencestate.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"
static int pidf_supplement_body(void *body, void *data)
{
struct ast_sip_exten_state_data *state_data = data;
pj_xml_node *node;
char sanitized[1024];
if (ast_strlen_zero(state_data->user_agent) ||
!strstr(state_data->user_agent, "digium")) {
/* not a digium phone */
return 0;
}
if (!(node = ast_sip_presence_xml_create_node(
state_data->pool, body, "tuple"))) {
ast_log(LOG_WARNING, "Unable to create PIDF tuple\n");
return -1;
}
ast_sip_presence_xml_create_attr(
state_data->pool, node, "id", "digium-presence");
if (!(node = ast_sip_presence_xml_create_node(
state_data->pool, node, "status"))) {
ast_log(LOG_WARNING, "Unable to create PIDF tuple status\n");
return -1;
}
if (!(node = ast_sip_presence_xml_create_node(
state_data->pool, node, "digium_presence"))) {
ast_log(LOG_WARNING, "Unable to create digium presence\n");
return -1;
}
if (!ast_strlen_zero(state_data->presence_message)) {
ast_sip_sanitize_xml(state_data->presence_message, sanitized, sizeof(sanitized));
pj_strdup2(state_data->pool, &node->content, sanitized);
}
ast_sip_presence_xml_create_attr(
state_data->pool, node, "type", ast_presence_state2str(
state_data->presence_state));
if (!ast_strlen_zero(state_data->presence_subtype)) {
ast_sip_sanitize_xml(state_data->presence_subtype, sanitized, sizeof(sanitized));
ast_sip_presence_xml_create_attr(
state_data->pool, node, "subtype", sanitized);
}
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 Digium presence 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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