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 METHOD(plugin_t, get_name, char*,
  40         private_attr_plugin_t *this)
  41 {
  42         return "attr";
  43 }
  44
  45 METHOD(plugin_t, reload, bool,
  46         private_attr_plugin_t *this)
  47 {
  48         this->provider->reload(this->provider);
  49         return TRUE;
  50 }
  51
  52 METHOD(plugin_t, destroy, void,
  53         private_attr_plugin_t *this)
  54 {
  55         hydra->attributes->remove_provider(hydra->attributes, &this->provider->provider);
  56         this->provider->destroy(this->provider);
  57         free(this);
  58 }
  59
  60 /*
  61  * see header file
  62  */
  63 plugin_t *attr_plugin_create()
  64 {
  65         private_attr_plugin_t *this;
  66
  67         INIT(this,
  68                 .public = {
  69                         .plugin = {
  70                                 .get_name = _get_name,
  71                                 .reload = _reload,
  72                                 .destroy = _destroy,
  73                         },
  74                 },
  75                 .provider = attr_provider_create(),
  76         );
  77         hydra->attributes->add_provider(hydra->attributes, &this->provider->provider);
  78
  79         return &this->public.plugin;
  80 }
  81