aria2/src/DHTTaskFactoryImpl.cc

/* <!-- 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 --> */
#include "DHTTaskFactoryImpl.h"
#include "DHTNode.h"
#include "DHTRoutingTable.h"
#include "DHTMessageDispatcher.h"
#include "DHTMessageFactory.h"
#include "DHTTaskQueue.h"
#include "DHTPingTask.h"
#include "DHTNodeLookupTask.h"
#include "DHTBucketRefreshTask.h"
#include "DHTPeerLookupTask.h"
#include "DHTReplaceNodeTask.h"
#include "Peer.h"
#include "DHTNodeLookupEntry.h"
#include "PeerStorage.h"
#include "DHTMessageCallback.h"

namespace aria2 {

DHTTaskFactoryImpl::DHTTaskFactoryImpl()
  : routingTable_(nullptr),
    dispatcher_(nullptr),
    factory_(nullptr),
    taskQueue_(nullptr),
    timeout_(DHT_MESSAGE_TIMEOUT)
{}

DHTTaskFactoryImpl::~DHTTaskFactoryImpl() {}

std::shared_ptr<DHTTask>
DHTTaskFactoryImpl::createPingTask(const std::shared_ptr<DHTNode>& remoteNode,
                                   int numRetry)
{
  auto task = std::make_shared<DHTPingTask>(remoteNode, numRetry);
  task->setTimeout(timeout_);
  setCommonProperty(task);
  return task;
}

std::shared_ptr<DHTTask>
DHTTaskFactoryImpl::createNodeLookupTask(const unsigned char* targetID)
{
  auto task = std::make_shared<DHTNodeLookupTask>(targetID);
  setCommonProperty(task);
  return task;
}

std::shared_ptr<DHTTask>
DHTTaskFactoryImpl::createBucketRefreshTask()
{
  auto task = std::make_shared<DHTBucketRefreshTask>();
  setCommonProperty(task);
  return task;
}

std::shared_ptr<DHTTask>
DHTTaskFactoryImpl::createPeerLookupTask
(const std::shared_ptr<DownloadContext>& ctx,
 uint16_t tcpPort,
 const std::shared_ptr<PeerStorage>& peerStorage)
{
  auto task = std::make_shared<DHTPeerLookupTask>(ctx, tcpPort);
  // TODO this may be not freed by RequestGroup::releaseRuntimeResource()
  task->setPeerStorage(peerStorage);
  setCommonProperty(task);
  return task;
}

std::shared_ptr<DHTTask>
DHTTaskFactoryImpl::createPeerAnnounceTask(const unsigned char* infoHash)
{
  // TODO
  return nullptr;
}

std::shared_ptr<DHTTask>
DHTTaskFactoryImpl::createReplaceNodeTask(const std::shared_ptr<DHTBucket>& bucket,
                                          const std::shared_ptr<DHTNode>& newNode)
{
  auto task = std::make_shared<DHTReplaceNodeTask>(bucket, newNode);
  task->setTimeout(timeout_);
  setCommonProperty(task);
  return task;
}

void DHTTaskFactoryImpl::setCommonProperty(const std::shared_ptr<DHTAbstractTask>& task)
{
  task->setRoutingTable(routingTable_);
  task->setMessageDispatcher(dispatcher_);
  task->setMessageFactory(factory_);
  task->setTaskQueue(taskQueue_);
  task->setLocalNode(localNode_);
}

void DHTTaskFactoryImpl::setRoutingTable(DHTRoutingTable* routingTable)
{
  routingTable_ = routingTable;
}

void DHTTaskFactoryImpl::setMessageDispatcher(DHTMessageDispatcher* dispatcher)
{
  dispatcher_ = dispatcher;
}

void DHTTaskFactoryImpl::setMessageFactory(DHTMessageFactory* factory)
{
  factory_ = factory;
}

void DHTTaskFactoryImpl::setTaskQueue(DHTTaskQueue* taskQueue)
{
  taskQueue_ = taskQueue;
}

void DHTTaskFactoryImpl::setLocalNode(const std::shared_ptr<DHTNode>& localNode)
{
  localNode_ = localNode;
}

} // namespace aria2