/* <!-- copyright */
/*
 * aria2 - The high speed download utility
 *
 * Copyright (C) 2006 Tatsuhiro Tsujikawa
 *
 * 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.
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * In addition, as a special exception, the copyright holders give
 * permission to link the code of portions of this program with the
 * OpenSSL library under certain conditions as described in each
 * individual source file, and distribute linked combinations
 * including the two.
 * You must obey the GNU General Public License in all respects
 * for all of the code used other than OpenSSL.  If you modify
 * file(s) with this exception, you may extend this exception to your
 * version of the file(s), but you are not obligated to do so.  If you
 * do not wish to do so, delete this exception statement from your
 * version.  If you delete this exception statement from all source
 * files in the program, then also delete it here.
 */
/* copyright --> */
#ifndef _D_DEFAULT_BT_ANNOUNCE_H_
#define _D_DEFAULT_BT_ANNOUNCE_H_

#include "BtAnnounce.h"
#include "TimeA2.h"
#include "AnnounceList.h"

namespace aria2 {

#define DEFAULT_ANNOUNCE_INTERVAL 1800

class BtContext;
class Option;
class Logger;
class BtRuntime;
class PieceStorage;
class PeerStorage;
class Randomizer;

class DefaultBtAnnounce : public BtAnnounce {
private:
  SharedHandle<BtContext> btContext;
  int32_t trackers;
  Time prevAnnounceTime;
  int32_t interval;
  int32_t minInterval;
  int32_t complete;
  int32_t incomplete;
  AnnounceList announceList;
  std::string trackerId;
  std::string key;
  const Option* option;
  Logger* logger;
  SharedHandle<Randomizer> _randomizer;
  SharedHandle<BtRuntime> btRuntime;
  SharedHandle<PieceStorage> pieceStorage;
  SharedHandle<PeerStorage> peerStorage;
public:
  DefaultBtAnnounce(const SharedHandle<BtContext>& btContext,
		    const Option* option);

  virtual ~DefaultBtAnnounce();

  void setBtRuntime(const SharedHandle<BtRuntime>& btRuntime);

  SharedHandle<BtRuntime> getBtRuntime() const;

  void setPieceStorage(const SharedHandle<PieceStorage>& pieceStorage);

  SharedHandle<PieceStorage> getPieceStorage() const;

  void setPeerStorage(const SharedHandle<PeerStorage>& peerStorage);

  SharedHandle<PeerStorage> getPeerStorage() const;

  bool isDefaultAnnounceReady();

  bool isStoppedAnnounceReady();

  bool isCompletedAnnounceReady();

  virtual bool isAnnounceReady();

  virtual std::string getAnnounceUrl();

  virtual void announceStart();

  virtual void announceSuccess();

  virtual void announceFailure();

  virtual bool isAllAnnounceFailed();

  virtual void resetAnnounce();

  virtual void processAnnounceResponse(const char* trackerResponse,
				       size_t trackerResponseLength);

  virtual bool noMoreAnnounce();

  virtual void shuffleAnnounce();

  void generateKey();

  void setRandomizer(const SharedHandle<Randomizer>& randomizer);

  int32_t getInterval() const
  {
    return interval;
  }

  int32_t getMinInterval() const
  {
    return minInterval;
  }

  int32_t getComplete() const
  {
    return complete;
  }

  int32_t getIncomplete() const
  {
    return incomplete;
  }

  const std::string& getTrackerID() const
  {
    return trackerId;
  }
};

} // namespace aria2

#endif // _D_DEFAULT_BT_ANNOUNCE_H_