aria2/src/SeedCheckCommand.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 "SeedCheckCommand.h"
#include "DownloadEngine.h"
#include "BtRuntime.h"
#include "PieceStorage.h"
#include "Logger.h"
#include "LogFactory.h"
#include "SeedCriteria.h"
#include "message.h"
#include "RequestGroup.h"
#include "fmt.h"

namespace aria2 {

SeedCheckCommand::SeedCheckCommand(cuid_t cuid, RequestGroup* requestGroup,
                                   DownloadEngine* e,
                                   std::unique_ptr<SeedCriteria> seedCriteria)
    : Command(cuid),
      requestGroup_(requestGroup),
      e_(e),
      seedCriteria_(std::move(seedCriteria)),
      checkStarted_(false)
{
  setStatusRealtime();
  requestGroup_->increaseNumCommand();
}

SeedCheckCommand::~SeedCheckCommand() { requestGroup_->decreaseNumCommand(); }

bool SeedCheckCommand::execute()
{
  if (btRuntime_->isHalt()) {
    return true;
  }
  if (!seedCriteria_.get()) {
    return false;
  }
  if (!checkStarted_) {
    if (pieceStorage_->downloadFinished()) {
      checkStarted_ = true;
      seedCriteria_->reset();
    }
  }
  if (checkStarted_) {
    if (seedCriteria_->evaluate()) {
      A2_LOG_NOTICE(MSG_SEEDING_END);
      btRuntime_->setHalt(true);
    }
  }
  e_->addCommand(std::unique_ptr<Command>(this));
  return false;
}

void SeedCheckCommand::setBtRuntime(const std::shared_ptr<BtRuntime>& btRuntime)
{
  btRuntime_ = btRuntime;
}

void SeedCheckCommand::setPieceStorage(
    const std::shared_ptr<PieceStorage>& pieceStorage)
{
  pieceStorage_ = pieceStorage;
}

} // namespace aria2