asterisk/res/res_pjsip_mwi_body_generator.c

119 lines
2.8 KiB
C

/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 2014, Digium, Inc.
*
* Mark Michelson <mmichelson@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/res_pjsip.h"
#include "asterisk/res_pjsip_pubsub.h"
#include "asterisk/res_pjsip_body_generator_types.h"
#include "asterisk/module.h"
#include "asterisk/strings.h"
#define MWI_TYPE "application"
#define MWI_SUBTYPE "simple-message-summary"
static void *mwi_allocate_body(void *data)
{
struct ast_str **mwi_str;
mwi_str = ast_malloc(sizeof(*mwi_str));
if (!mwi_str) {
return NULL;
}
*mwi_str = ast_str_create(128);
if (!*mwi_str) {
ast_free(mwi_str);
return NULL;
}
return mwi_str;
}
static int mwi_generate_body_content(void *body, void *data)
{
struct ast_str **mwi = body;
struct ast_sip_message_accumulator *counter = data;
ast_str_append(mwi, 0, "Messages-Waiting: %s\r\n",
counter->new_msgs ? "yes" : "no");
if (!ast_strlen_zero(counter->message_account)) {
ast_str_append(mwi, 0, "Message-Account: %s\r\n", counter->message_account);
}
ast_str_append(mwi, 0, "Voice-Message: %d/%d (0/0)\r\n",
counter->new_msgs, counter->old_msgs);
return 0;
}
static void mwi_to_string(void *body, struct ast_str **str)
{
struct ast_str **mwi = body;
ast_str_set(str, 0, "%s", ast_str_buffer(*mwi));
}
static void mwi_destroy_body(void *body)
{
struct ast_str **mwi = body;
ast_free(*mwi);
ast_free(mwi);
}
static struct ast_sip_pubsub_body_generator mwi_generator = {
.type = MWI_TYPE,
.subtype = MWI_SUBTYPE,
.body_type = AST_SIP_MESSAGE_ACCUMULATOR,
.allocate_body = mwi_allocate_body,
.generate_body_content = mwi_generate_body_content,
.to_string = mwi_to_string,
.destroy_body = mwi_destroy_body,
};
static int load_module(void)
{
if (ast_sip_pubsub_register_body_generator(&mwi_generator)) {
return AST_MODULE_LOAD_DECLINE;
}
return AST_MODULE_LOAD_SUCCESS;
}
static int unload_module(void)
{
ast_sip_pubsub_unregister_body_generator(&mwi_generator);
return 0;
}
AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_LOAD_ORDER, "PJSIP MWI resource",
.support_level = AST_MODULE_SUPPORT_CORE,
.load = load_module,
.unload = unload_module,
.load_pri = AST_MODPRI_CHANNEL_DEPEND,
.requires = "res_pjsip,res_pjsip_pubsub",
);