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/* <!-- 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_DHT_TASK_FACTORY_IMPL_H_
#define _D_DHT_TASK_FACTORY_IMPL_H_

#include "DHTTaskFactory.h"
#include "a2time.h"

namespace aria2 {

class DHTNode;
class DHTRoutingTable;
class DHTMessageDispatcher;
class DHTMessageFactory;
class DHTTaskQueue;
class DHTAbstractTask;
class Logger;

class DHTTaskFactoryImpl:public DHTTaskFactory {
private:
  SharedHandle<DHTNode> _localNode;

  WeakHandle<DHTRoutingTable> _routingTable;

  WeakHandle<DHTMessageDispatcher> _dispatcher;

  WeakHandle<DHTMessageFactory> _factory;
  
  WeakHandle<DHTTaskQueue> _taskQueue;

  time_t _timeout;

  Logger* _logger;

  void setCommonProperty(const SharedHandle<DHTAbstractTask>& task);
public:
  DHTTaskFactoryImpl();

  virtual ~DHTTaskFactoryImpl();

  virtual SharedHandle<DHTTask>
  createPingTask(const SharedHandle<DHTNode>& remoteNode,
                 size_t numRetry = 0);

  virtual SharedHandle<DHTTask>
  createNodeLookupTask(const unsigned char* targetID);

  virtual SharedHandle<DHTTask> createBucketRefreshTask();

  virtual SharedHandle<DHTTask>
  createPeerLookupTask(const SharedHandle<DownloadContext>& ctx,
                       const SharedHandle<BtRuntime>& btRuntime,
                       const SharedHandle<PeerStorage>& peerStorage);

  virtual SharedHandle<DHTTask>
  createPeerAnnounceTask(const unsigned char* infoHash);

  virtual SharedHandle<DHTTask>
  createReplaceNodeTask(const SharedHandle<DHTBucket>& bucket,
                        const SharedHandle<DHTNode>& newNode);

  void setRoutingTable(const WeakHandle<DHTRoutingTable> routingTable);

  void setMessageDispatcher(const WeakHandle<DHTMessageDispatcher> dispatcher);

  void setMessageFactory(const WeakHandle<DHTMessageFactory> factory);

  void setTaskQueue(const WeakHandle<DHTTaskQueue> taskQueue);

  void setLocalNode(const SharedHandle<DHTNode>& localNode);

  void setTimeout(time_t timeout)
  {
    _timeout = timeout;
  }
};

} // namespace aria2

#endif // _D_DHT_TASK_FACTORY_IMPL_H_