ASTERISK-23919 #close Reported by Malcolm Davenport Review: https://reviewboard.asterisk.org/r/3802 git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@419592 65c4cc65-6c06-0410-ace0-fbb531ad65f3
178 lines
4.9 KiB
C
178 lines
4.9 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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<depend>res_pjsip_exten_state</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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static void *xpidf_allocate_body(void *data)
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{
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struct ast_sip_exten_state_data *state_data = data;
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pjxpidf_pres *pres;
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pj_str_t name;
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pres = pjxpidf_create(state_data->pool, pj_cstr(&name, state_data->local));
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return pres;
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}
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static int xpidf_generate_body_content(void *body, void *data)
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{
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pjxpidf_pres *pres = body;
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struct ast_sip_exten_state_data *state_data = data;
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static pj_str_t STR_ADDR_PARAM = { ";user=ip", 8 };
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char *statestring = NULL, *pidfstate = NULL, *pidfnote = NULL;
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pj_xml_attr *attr;
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enum ast_sip_pidf_state local_state;
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pj_str_t uri;
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char sanitized[PJSIP_MAX_URL_SIZE];
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pj_xml_node *atom;
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pj_xml_node *address;
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pj_xml_node *status;
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pj_xml_node *msnsubstatus;
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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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ast_sip_presence_xml_find_node_attr(state_data->pool, pres, "atom", "id",
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&atom, &attr);
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pj_strdup2(state_data->pool, &attr->value, state_data->exten);
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ast_sip_presence_xml_find_node_attr(state_data->pool, atom, "address",
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"uri", &address, &attr);
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ast_sip_sanitize_xml(state_data->remote, sanitized, sizeof(sanitized));
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uri.ptr = (char*) pj_pool_alloc(state_data->pool,
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strlen(sanitized) + STR_ADDR_PARAM.slen);
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pj_strcpy2( &uri, sanitized);
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pj_strcat( &uri, &STR_ADDR_PARAM);
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pj_strdup(state_data->pool, &attr->value, &uri);
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ast_sip_presence_xml_create_attr(state_data->pool, address, "priority", "0.80000");
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ast_sip_presence_xml_find_node_attr(state_data->pool, address,
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"status", "status", &status, &attr);
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pj_strdup2(state_data->pool, &attr->value,
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(local_state == NOTIFY_OPEN) ? "open" :
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(local_state == NOTIFY_INUSE) ? "inuse" : "closed");
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ast_sip_presence_xml_find_node_attr(state_data->pool, address,
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"msnsubstatus", "substatus", &msnsubstatus, &attr);
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pj_strdup2(state_data->pool, &attr->value,
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(local_state == NOTIFY_OPEN) ? "online" :
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(local_state == NOTIFY_INUSE) ? "onthephone" : "offline");
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return 0;
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}
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#define MAX_STRING_GROWTHS 5
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#define XML_PROLOG 39
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static void xpidf_to_string(void *body, struct ast_str **str)
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{
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pjxpidf_pres *pres = body;
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int growths = 0;
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int size;
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do {
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size = pjxpidf_print(pres, ast_str_buffer(*str), ast_str_size(*str));
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if (size == XML_PROLOG) {
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ast_str_make_space(str, ast_str_size(*str) * 2);
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++growths;
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}
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} while (size == XML_PROLOG && growths < MAX_STRING_GROWTHS);
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if (size == XML_PROLOG) {
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ast_log(LOG_WARNING, "XPIDF body text too large\n");
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return;
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}
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*(ast_str_buffer(*str) + size) = '\0';
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ast_str_update(*str);
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}
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static struct ast_sip_pubsub_body_generator xpidf_body_generator = {
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.type = "application",
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.subtype = "xpidf+xml",
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.allocate_body = xpidf_allocate_body,
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.generate_body_content = xpidf_generate_body_content,
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.to_string = xpidf_to_string,
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/* No need for a destroy_body callback since we use a pool */
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};
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static struct ast_sip_pubsub_body_generator cpim_pidf_body_generator = {
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.type = "application",
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.subtype = "cpim-pidf+xml",
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.allocate_body = xpidf_allocate_body,
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.generate_body_content = xpidf_generate_body_content,
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.to_string = xpidf_to_string,
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/* No need for a destroy_body callback since we use a pool */
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};
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static void unregister_all(void)
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{
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ast_sip_pubsub_unregister_body_generator(&cpim_pidf_body_generator);
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ast_sip_pubsub_unregister_body_generator(&xpidf_body_generator);
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}
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static int load_module(void)
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{
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if (ast_sip_pubsub_register_body_generator(&xpidf_body_generator)) {
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goto fail;
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}
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if (ast_sip_pubsub_register_body_generator(&cpim_pidf_body_generator)) {
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goto fail;
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}
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return AST_MODULE_LOAD_SUCCESS;
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fail:
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unregister_all();
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return AST_MODULE_LOAD_DECLINE;
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}
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static int unload_module(void)
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{
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unregister_all();
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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 Extension State PIDF Provider",
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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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