7a46309d3d
This option was added to control whether to notify dialog-info state 'early' or 'confirmed' on Ringing when already INUSE. The value "yes" is useful for some SIP phones (Cisco SPA) to be able to indicate and pick up ringing devices. ASTERISK-26919 #close Change-Id: Ie050bc30023543c7dfb4365c5be3ce58c738c711
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, 0);
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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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