/* <!-- copyright */
/*
 * aria2 - The high speed download utility
 *
 * Copyright (C) 2009 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 "BtStopDownloadCommand.h"
#include "PieceStorage.h"
#include "PeerStorage.h"
#include "RequestGroup.h"
#include "BtRuntime.h"
#include "Peer.h"
#include "DownloadContext.h"
#include "Logger.h"

namespace aria2 {

BtStopDownloadCommand::BtStopDownloadCommand
(int32_t cuid,
 RequestGroup* requestGroup,
 DownloadEngine* e,
 time_t timeout):
  TimeBasedCommand(cuid, e, 1),
  _requestGroup(requestGroup),
  _timeout(timeout)
{}

void BtStopDownloadCommand::preProcess()
{
  if(_btRuntime->isHalt() || _pieceStorage->downloadFinished()) {
    _exit = true;
  }
  if(_checkPoint.elapsed(_timeout)) {
    logger->notice("GID#%d Stop downloading torrent due to"
		   " --bt-stop-timeout option.", _requestGroup->getGID());
    _requestGroup->setHaltRequested(true);
    _exit = true;
  }
}

void BtStopDownloadCommand::process()
{
  if(_requestGroup->calculateStat().getDownloadSpeed() == 0) {
    std::deque<SharedHandle<Peer> > activePeers;
    _peerStorage->getActivePeers(activePeers);
    if(countSeeder(activePeers.begin(), activePeers.end()) != 0) {
      _checkPoint.reset();
    }
  } else {
    _checkPoint.reset();
  }
}

} // namespace aria2