res/res_manager_devicestate.c

   1 /*
   2  * Asterisk -- An open source telephony toolkit.
   3  *
   4  * Copyright (C) 2014, Digium, Inc.
   5  *
   6  * Mark Michelson <mmichelson@digium.com>
   7  *
   8  * See http://www.asterisk.org for more information about
   9  * the Asterisk project. Please do not directly contact
  10  * any of the maintainers of this project for assistance;
  11  * the project provides a web site, mailing lists and IRC
  12  * channels for your use.
  13  *
  14  * This program is free software, distributed under the terms of
  15  * the GNU General Public License Version 2. See the LICENSE file
  16  * at the top of the source tree.
  17  */
  18
  19 /*** MODULEINFO
  20         <support_level>core</support_level>
  21  ***/
  22
  23 #include "asterisk.h"
  24 #include "asterisk/module.h"
  25 #include "asterisk/stasis.h"
  26 #include "asterisk/devicestate.h"
  27
  28 static struct stasis_forward *topic_forwarder;
  29
  30 static int unload_module(void)
  31 {
  32         topic_forwarder = stasis_forward_cancel(topic_forwarder);
  33         return 0;
  34 }
  35
  36 static int load_module(void)
  37 {
  38         struct stasis_topic *manager_topic;
  39
  40         manager_topic = ast_manager_get_topic();
  41         if (!manager_topic) {
  42                 return AST_MODULE_LOAD_DECLINE;
  43         }
  44
  45         topic_forwarder = stasis_forward_all(ast_device_state_topic_all(), manager_topic);
  46
  47         return AST_MODULE_LOAD_SUCCESS;
  48 }
  49
  50 AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_LOAD_ORDER, "Manager Device State Topic Forwarder",
  51                 .support_level = AST_MODULE_SUPPORT_CORE,
  52                 .load = load_module,
  53                 .unload = unload_module,
  54                 .load_pri = AST_MODPRI_DEVSTATE_CONSUMER,
  55         );