/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2011 University of California, Los Angeles
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation;
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Author: Ilya Moiseenko <iliamo@cs.ucla.edu>
 */

#ifndef CCNX_CONSUMER_HELPER_H
#define CCNX_CONSUMER_HELPER_H

#include <stdint.h>
#include <string>
#include "ns3/object-factory.h"
#include "ns3/address.h"
#include "ns3/attribute.h"
#include "ns3/net-device.h"
#include "ns3/node-container.h"
#include "ns3/application-container.h"
#include "ns3/ccnx-name-components.h"
#include "ns3/pointer.h"
#include "ns3/ccnx-local-face.h"
#include "ns3/callback.h"
#include "ns3/ccnx-consumer.h"

namespace ns3 
{    
/**
* \brief A helper to make it easier to instantiate an ns3::CcnxConsumer Application
* on a set of nodes.
*/
    
class CcnxConsumerHelper
{        
public:

/**
* Create an CcnxConsumerHelper to make it easier to work with CcnxConsumer Apps
*
*/
CcnxConsumerHelper (Ptr<CcnxNameComponents> interestName);
        
/**
* Helper function used to set the underlying application attributes.
*
* \param name the name of the application attribute to set
* \param value the value of the application attribute to set
*/
void SetAttribute (std::string name, const AttributeValue &value);
        
/**
* Install an ns3::CcnxConsumer on each node of the input container
* configured with all the attributes set with SetAttribute.
*
* \param c NodeContainer of the set of nodes on which an CcnxConsumer 
* will be installed.
* \returns Container of Ptr to the applications installed.
*/
ApplicationContainer Install (NodeContainer c);
        
/**
* Install an ns3::CcnxConsumer on the node configured with all the 
* attributes set with SetAttribute.
*
* \param node The node on which an CcnxConsumer will be installed.
* \returns Container of Ptr to the applications installed.
*/
ApplicationContainer Install (Ptr<Node> node);
        
/**
* Install an ns3::CcnxConsumer on the node configured with all the 
* attributes set with SetAttribute.
*
* \param nodeName The node on which an CcnxConsumer will be installed.
* \returns Container of Ptr to the applications installed.
*/
ApplicationContainer Install (std::string nodeName);
        
private:
/**
* \internal
* Install an ns3::CcnxConsumer on the node configured with all the 
* attributes set with SetAttribute.
*
* \param node The node on which an CcnxConsumer will be installed.
* \returns Ptr to the application installed.
*/
Ptr<Application> InstallPriv (Ptr<Node> node);
ObjectFactory m_factory;

};    
}

#endif