src/libhydra/plugins/attr/attr_plugin.c

   1 /*
   2  * Copyright (C) 2009 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
  16 #include "attr_plugin.h"
  17 #include "attr_provider.h"
  18
  19 #include <hydra.h>
  20
  21 typedef struct private_attr_plugin_t private_attr_plugin_t;
  22
  23 /**
  24  * private data of attr plugin
  25  */
  26 struct private_attr_plugin_t {
  27
  28         /**
  29          * implements plugin interface
  30          */
  31         attr_plugin_t public;
  32
  33         /**
  34          * CFG attributes provider
  35          */
  36         attr_provider_t *provider;
  37 };
  38
  39 /**
  40  * Implementation of plugin_t.destroy
  41  */
  42 static void destroy(private_attr_plugin_t *this)
  43 {
  44         hydra->attributes->remove_provider(hydra->attributes, &this->provider->provider);
  45         this->provider->destroy(this->provider);
  46         free(this);
  47 }
  48
  49 /*
  50  * see header file
  51  */
  52 plugin_t *attr_plugin_create()
  53 {
  54         private_attr_plugin_t *this = malloc_thing(private_attr_plugin_t);
  55
  56         this->public.plugin.destroy = (void(*)(plugin_t*))destroy;
  57
  58         this->provider = attr_provider_create();
  59         hydra->attributes->add_provider(hydra->attributes, &this->provider->provider);
  60
  61         return &this->public.plugin;
  62 }
  63