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
181 lines
5.1 KiB
C
181 lines
5.1 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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char *local = ast_strdupa(state_data->local);
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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, ast_strip_quoted(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, 0);
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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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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) - 1);
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if (size <= AST_PJSIP_XML_PROLOG_LEN) {
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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 <= AST_PJSIP_XML_PROLOG_LEN && growths < MAX_STRING_GROWTHS);
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if (size <= AST_PJSIP_XML_PROLOG_LEN) {
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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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.body_type = AST_SIP_EXTEN_STATE_DATA,
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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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.body_type = AST_SIP_EXTEN_STATE_DATA,
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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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CHECK_PJSIP_PUBSUB_MODULE_LOADED();
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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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