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- /*
- * 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(64);
- 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");
- 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)
- {
- CHECK_PJSIP_PUBSUB_MODULE_LOADED();
- 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,
- );
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