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 "BtContext.h"
#include "Logger.h"
#include "SeedCriteria.h"
#include "message.h"

namespace aria2 {

SeedCheckCommand::SeedCheckCommand(int cuid,
				   RequestGroup* requestGroup,
				   DownloadEngine* e,
				   const BtContextHandle& btContext,
				   const SeedCriteriaHandle& seedCriteria)
  :Command(cuid),
   BtContextAwareCommand(btContext),
   RequestGroupAware(requestGroup),
   e(e),
   seedCriteria(seedCriteria),
   checkStarted(false) {}

bool SeedCheckCommand::execute() {
  if(btRuntime->isHalt()) {
    return true;
  }
  if(!seedCriteria.get()) {
    return false;
  }
  if(checkPoint.elapsed(1)) {
    if(!checkStarted) {
      if(pieceStorage->downloadFinished()) {
	checkStarted = true;
	seedCriteria->reset();
      }
    }
    if(checkStarted) {
      if(seedCriteria->evaluate()) {
	logger->notice(MSG_SEEDING_END);
	btRuntime->setHalt(true);
      }
    }
  }
  e->commands.push_back(this);
  return false;
}

void SeedCheckCommand::setSeedCriteria(const SharedHandle<SeedCriteria>& seedCriteria)
{
  this->seedCriteria = seedCriteria;
}

} // namespace aria2