aria2/src/DefaultBtMessageFactory.h

/* <!-- 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_MESSAGE_FACTORY_H
#define D_DEFAULT_BT_MESSAGE_FACTORY_H

#include "BtMessageFactory.h"
#include "Command.h"

namespace aria2 {

class DownloadContext;
class PieceStorage;
class PeerStorage;
class Peer;
class AbstractBtMessage;
class BtMessageDispatcher;
class BtRequestFactory;
class PeerConnection;
class ExtensionMessageFactory;
class DHTNode;
class DHTRoutingTable;
class DHTTaskQueue;
class DHTTaskFactory;

class DefaultBtMessageFactory : public BtMessageFactory {
private:
  cuid_t cuid_;
  DownloadContext* downloadContext_;
  PieceStorage* pieceStorage_;
  PeerStorage* peerStorage_;
  std::shared_ptr<Peer> peer_;

  bool dhtEnabled_;

  BtMessageDispatcher* dispatcher_;

  BtRequestFactory* requestFactory_;

  PeerConnection* peerConnection_;

  std::shared_ptr<ExtensionMessageFactory> extensionMessageFactory_;

  DHTNode* localNode_;

  DHTRoutingTable* routingTable_;

  DHTTaskQueue* taskQueue_;

  DHTTaskFactory* taskFactory_;

  bool metadataGetMode_;

  void setCommonProperty(AbstractBtMessage* msg);
public:
  DefaultBtMessageFactory();

  virtual std::unique_ptr<BtMessage>
  createBtMessage(const unsigned char* msg, size_t msgLength);

  virtual std::unique_ptr<BtHandshakeMessage>
  createHandshakeMessage(const unsigned char* msg, size_t msgLength);

  virtual std::unique_ptr<BtHandshakeMessage>
  createHandshakeMessage(const unsigned char* infoHash,
                         const unsigned char* peerId);

  virtual std::unique_ptr<BtRequestMessage>
  createRequestMessage(const std::shared_ptr<Piece>& piece,
                       size_t blockIndex);

  virtual std::unique_ptr<BtCancelMessage>
  createCancelMessage(size_t index, int32_t begin, int32_t length);

  virtual std::unique_ptr<BtPieceMessage>
  createPieceMessage(size_t index, int32_t begin, int32_t length);

  virtual std::unique_ptr<BtHaveMessage> createHaveMessage(size_t index);

  virtual std::unique_ptr<BtChokeMessage> createChokeMessage();

  virtual std::unique_ptr<BtUnchokeMessage> createUnchokeMessage();

  virtual std::unique_ptr<BtInterestedMessage> createInterestedMessage();

  virtual std::unique_ptr<BtNotInterestedMessage> createNotInterestedMessage();

  virtual std::unique_ptr<BtBitfieldMessage> createBitfieldMessage();

  virtual std::unique_ptr<BtKeepAliveMessage> createKeepAliveMessage();

  virtual std::unique_ptr<BtHaveAllMessage> createHaveAllMessage();

  virtual std::unique_ptr<BtHaveNoneMessage> createHaveNoneMessage();

  virtual std::unique_ptr<BtRejectMessage>
  createRejectMessage(size_t index, int32_t begin, int32_t length);

  virtual std::unique_ptr<BtAllowedFastMessage> createAllowedFastMessage
  (size_t index);

  virtual std::unique_ptr<BtPortMessage> createPortMessage(uint16_t port);

  virtual std::unique_ptr<BtExtendedMessage>
  createBtExtendedMessage(const std::shared_ptr<ExtensionMessage>& msg);

  void setPeer(const std::shared_ptr<Peer>& peer);

  void setDownloadContext(DownloadContext* downloadContext);

  void setPieceStorage(PieceStorage* pieceStorage);

  void setPeerStorage(PeerStorage* peerStorage);

  void setCuid(cuid_t cuid)
  {
    cuid_ = cuid;
  }

  void setDHTEnabled(bool enabled) {
    dhtEnabled_ = enabled;
  }

  void setBtMessageDispatcher
  (BtMessageDispatcher* dispatcher);

  void setBtRequestFactory(BtRequestFactory* factory);

  void setPeerConnection(PeerConnection* connection);

  void setExtensionMessageFactory
  (const std::shared_ptr<ExtensionMessageFactory>& factory);

  void setLocalNode(DHTNode* localNode);

  void setRoutingTable(DHTRoutingTable* routingTable);

  void setTaskQueue(DHTTaskQueue* taskQueue);

  void setTaskFactory(DHTTaskFactory* taskFactory);

  void enableMetadataGetMode()
  {
    metadataGetMode_ = true;
  }
};

} // namespace aria2

#endif // D_DEFAULT_BT_MESSAGE_FACTORY_H