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