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/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2013 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: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
* Zhenkai Zhu <zhenkai@cs.ucla.edu>
* Chaoyi Bian <bcy@pku.edu.cn>
*/
#ifndef NDN_API_FACE_H
#define NDN_API_FACE_H
#include <ns3/ptr.h>
#include <ns3/node.h>
#include <ns3/callback.h>
#include <ns3/ndn-face.h>
#include <ns3/ndn-name.h>
#include <ns3/ndn-interest.h>
#include <ns3/ndn-content-object.h>
namespace ns3 {
namespace ndn {
class ApiFacePriv;
/**
* \ingroup sync
* @brief A handler for NDN; clients of this code do not need to deal
* with NDN API directly
*/
class ApiFace
: public ns3::ndn::Face
{
public:
typedef Callback<void, Ptr<const Name>, Ptr<const Interest> > InterestCallback;
typedef Callback<void, Ptr<const Interest>, Ptr<const ContentObject> > DataCallback;
typedef Callback<void, Ptr<const Interest> > TimeoutCallback;
/**
* @brief initialize the handler; a lot of things needs to be done. 1) init
* keystore 2) init keylocator 3) start a thread to hold a loop of ccn_run
*
*/
ApiFace (Ptr<Node> node);
~ApiFace ();
/**
* @brief Shutdown the API face
*/
virtual void
Shutdown ();
/**
* @brief Express Interest
*
* @param name the Interest name
* @param onData the callback function to deal with the returned data
* @param onTimeout the callback function to deal with timeouts
*/
void
ExpressInterest (Ptr<Interest> interest,
DataCallback onData,
TimeoutCallback onTimeout); // = MakeNullCallback< void, Ptr<Interest> > ()
/**
* @brief set Interest filter (specify what interest you want to receive)
*
* @param prefix the prefix of Interest
* @param onInterest the callback function to deal with the returned data
*/
void
SetInterestFilter (Ptr<const Name> prefix, InterestCallback onInterest);
/**
* @brief clear Interest filter
* @param prefix the prefix of Interest
*/
void
ClearInterestFilter (Ptr<const Name> prefix);
/**
* @brief Publish data
* @param data Data packet to publish
*/
void
Put (Ptr<ContentObject> data);
public:
virtual bool
SendInterest (Ptr<const Interest> interest);
virtual bool
SendData (Ptr<const ContentObject> data);
virtual std::ostream&
Print (std::ostream &os) const;
private:
ApiFace () : Face (0) {}
ApiFace (const ApiFace &) : Face (0) {}
ApiFace& operator= (const ApiFace &) { return *this; }
private:
ApiFacePriv *m_this;
};
} // ndn
} // ns3
#endif // NDN_API_HANDLER_H