text: /*
   * Copyright (C) 2012 Martin Willi
   * Copyright (C) 2012 revosec AG
   *
   * This program is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License as published by the
   * Free Software Foundation; either version 2 of the License, or (at your
   * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
   *
   * This program is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   * for more details.
   */
  
  #include "unity_plugin.h"
  #include "unity_handler.h"
  #include "unity_narrow.h"
  #include "unity_provider.h"
  
  #include <daemon.h>
  
  typedef struct private_unity_plugin_t private_unity_plugin_t;
  
  /**
   * private data of unity_plugin
   */
  struct private_unity_plugin_t {
  
  	/**
  	 * public functions
  	 */
  	unity_plugin_t public;
  
  	/**
  	 * Handler for UNITY configuration attributes
  	 */
  	unity_handler_t *handler;
  
  	/**
  	 * Responder Unity configuration attribute provider
  	 */
  	unity_provider_t *provider;
  
  	/**
  	 * Traffic selector narrower, for Unity Split-Includes
  	 */
  	unity_narrow_t *narrower;
  };
  
  METHOD(plugin_t, get_name, char*,
  	private_unity_plugin_t *this)
  {
  	return "unity";
  }
  
  /**
   * Register listener
   */
  static bool plugin_cb(private_unity_plugin_t *this,
  					  plugin_feature_t *feature, bool reg, void *cb_data)
  {
  	if (reg)
  	{
  		charon->attributes->add_handler(charon->attributes,
  										&this->handler->handler);
  		charon->attributes->add_provider(charon->attributes,
  										 &this->provider->provider);
  		charon->bus->add_listener(charon->bus, &this->narrower->listener);
  	}
  	else
  	{
  		charon->bus->remove_listener(charon->bus, &this->narrower->listener);
  		charon->attributes->remove_handler(charon->attributes,
  										   &this->handler->handler);
  		charon->attributes->remove_provider(charon->attributes,
  											&this->provider->provider);
  
  	}
  	return TRUE;
  }
  
  METHOD(plugin_t, get_features, int,
  	private_unity_plugin_t *this, plugin_feature_t *features[])
  {
  	static plugin_feature_t f[] = {
  		PLUGIN_CALLBACK((plugin_feature_callback_t)plugin_cb, NULL),
  			PLUGIN_PROVIDE(CUSTOM, "unity"),
  	};
  	*features = f;
  	return countof(f);
  }
  
  METHOD(plugin_t, destroy, void,
  	private_unity_plugin_t *this)
  {
  	this->narrower->destroy(this->narrower);
  	this->handler->destroy(this->handler);
  	this->provider->destroy(this->provider);
  	free(this);
  }
  
  /*
   * see header file
   */
  plugin_t *unity_plugin_create()
  {
  	private_unity_plugin_t *this;
  
  	INIT(this,
  		.public = {
  			.plugin = {
  				.get_name = _get_name,
  				.get_features = _get_features,
  				.destroy = _destroy,
  			},
  		},
  		.handler = unity_handler_create(),
  		.provider = unity_provider_create(),
  	);
  	this->narrower = unity_narrow_create(this->handler);
  
  	return &this->public.plugin;
  }
  