src/charon/plugins/updown/updown_plugin.c

   1 /*
   2  * Copyright (C) 2008 Martin Willi
   3  * Hochschule fuer Technik Rapperswil
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License as published by the
   7  * Free Software Foundation; either version 2 of the License, or (at your
   8  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  12  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * for more details.
  14  *
  15  * $Id$
  16  */
  17
  18 #include "updown_plugin.h"
  19 #include "updown_listener.h"
  20
  21 #include <daemon.h>
  22
  23 typedef struct private_updown_plugin_t private_updown_plugin_t;
  24
  25 /**
  26  * private data of updown plugin
  27  */
  28 struct private_updown_plugin_t {
  29
  30         /**
  31          * implements plugin interface
  32          */
  33         updown_plugin_t public;
  34
  35         /**
  36          * Listener interface, listens to CHILD_SA state changes
  37          */
  38         updown_listener_t *listener;
  39 };
  40
  41 /**
  42  * Implementation of plugin_t.destroy
  43  */
  44 static void destroy(private_updown_plugin_t *this)
  45 {
  46         charon->bus->remove_listener(charon->bus, &this->listener->listener);
  47         this->listener->destroy(this->listener);
  48         free(this);
  49 }
  50
  51 /*
  52  * see header file
  53  */
  54 plugin_t *plugin_create()
  55 {
  56         private_updown_plugin_t *this = malloc_thing(private_updown_plugin_t);
  57
  58         this->public.plugin.destroy = (void(*)(plugin_t*))destroy;
  59
  60         this->listener = updown_listener_create();
  61         charon->bus->add_listener(charon->bus, &this->listener->listener);
  62
  63         return &this->public.plugin;
  64 }
  65