aria2/src/RequestGroupMan.h

159 lines
4.6 KiB
C++

/* <!-- 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_REQUEST_GROUP_MAN_H_
#define _D_REQUEST_GROUP_MAN_H_
#include "common.h"
#include "SharedHandle.h"
#include "TransferStat.h"
#include <string>
#include <deque>
#include <iosfwd>
namespace aria2 {
class DownloadEngine;
class RequestGroup;
class Command;
class Logger;
class DownloadResult;
class ServerStatMan;
class ServerStat;
class Option;
class RequestGroupMan {
private:
std::deque<SharedHandle<RequestGroup> > _requestGroups;
std::deque<SharedHandle<RequestGroup> > _reservedGroups;
std::deque<SharedHandle<DownloadResult> > _downloadResults;
Logger* _logger;
unsigned int _maxSimultaneousDownloads;
int32_t _gidCounter;
const Option* _option;
SharedHandle<ServerStatMan> _serverStatMan;
std::string
formatDownloadResult(const std::string& status,
const SharedHandle<DownloadResult>& downloadResult) const;
void configureRequestGroup
(const SharedHandle<RequestGroup>& requestGroup) const;
public:
RequestGroupMan(const std::deque<SharedHandle<RequestGroup> >& requestGroups,
unsigned int maxSimultaneousDownloads,
const Option* option);
bool downloadFinished();
void save();
void closeFile();
void halt();
void forceHalt();
void getInitialCommands(std::deque<Command*>& commands, DownloadEngine* e);
void removeStoppedGroup();
void fillRequestGroupFromReserver(DownloadEngine* e);
void addRequestGroup(const SharedHandle<RequestGroup>& group);
void addReservedGroup(const std::deque<SharedHandle<RequestGroup> >& groups);
void addReservedGroup(const SharedHandle<RequestGroup>& group);
size_t countRequestGroup() const;
SharedHandle<RequestGroup> getRequestGroup(size_t index) const;
const std::deque<SharedHandle<RequestGroup> >& getRequestGroups() const;
void showDownloadResults(std::ostream& o) const;
bool isSameFileBeingDownloaded(RequestGroup* requestGroup) const;
TransferStat calculateStat();
class DownloadStat {
private:
size_t _completed;
size_t _error;
size_t _inProgress;
size_t _waiting;
public:
DownloadStat():_completed(0), _error(0), _inProgress(0), _waiting(0) {}
void setCompleted(size_t c) { _completed = c; }
void setError(size_t c) { _error = c; }
void setInProgress(size_t c) { _inProgress = c; }
void setWaiting(size_t c) { _waiting = c; }
bool allCompleted() const
{
return _error == 0 && _inProgress == 0 && _waiting == 0;
}
};
DownloadStat getDownloadStat() const;
const std::deque<SharedHandle<DownloadResult> >&
getDownloadResults() const;
SharedHandle<ServerStat> findServerStat(const std::string& hostname,
const std::string& protocol) const;
bool addServerStat(const SharedHandle<ServerStat>& serverStat);
void updateServerStat();
bool loadServerStat(const std::string& filename);
bool saveServerStat(const std::string& filename) const;
void removeStaleServerStat(time_t timeout);
};
typedef SharedHandle<RequestGroupMan> RequestGroupManHandle;
} // namespace aria2
#endif // _D_REQUEST_GROUP_MAN_H_