aria2/src/DownloadEngineFactory.cc

106 lines
4.0 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 --> */
#include "DownloadEngineFactory.h"
#include "LogFactory.h"
#include "Logger.h"
#include "Option.h"
#include "RequestGroup.h"
#include "DownloadEngine.h"
#include "RequestGroupMan.h"
#include "FileAllocationMan.h"
#ifdef ENABLE_MESSAGE_DIGEST
# include "CheckIntegrityMan.h"
#endif // ENABLE_MESSAGE_DIGEST
#include "prefs.h"
#include "CUIDCounter.h"
#include "FillRequestGroupCommand.h"
#include "FileAllocationDispatcherCommand.h"
#include "AutoSaveCommand.h"
#include "HaveEraseCommand.h"
#include "TimedHaltCommand.h"
#include "DownloadResult.h"
#include "ServerStatMan.h"
#include <algorithm>
namespace aria2 {
DownloadEngineFactory::DownloadEngineFactory():
_logger(LogFactory::getInstance()) {}
DownloadEngineHandle
DownloadEngineFactory::newDownloadEngine(Option* op,
const RequestGroups& requestGroups)
{
RequestGroups workingSet;
RequestGroups reservedSet;
const size_t MAX_CONCURRENT_DOWNLOADS = op->getAsInt(PREF_MAX_CONCURRENT_DOWNLOADS);
if(MAX_CONCURRENT_DOWNLOADS < requestGroups.size()) {
workingSet.insert(workingSet.end(),
requestGroups.begin(),
requestGroups.begin()+MAX_CONCURRENT_DOWNLOADS);
reservedSet.insert(reservedSet.end(),
requestGroups.begin()+MAX_CONCURRENT_DOWNLOADS,
requestGroups.end());
} else {
workingSet = requestGroups;
}
DownloadEngineHandle e(new DownloadEngine());
e->option = op;
RequestGroupManHandle
requestGroupMan(new RequestGroupMan(workingSet, MAX_CONCURRENT_DOWNLOADS,
op));
requestGroupMan->addReservedGroup(reservedSet);
e->_requestGroupMan = requestGroupMan;
e->_fileAllocationMan.reset(new FileAllocationMan());
#ifdef ENABLE_MESSAGE_DIGEST
e->_checkIntegrityMan.reset(new CheckIntegrityMan());
#endif // ENABLE_MESSAGE_DIGEST
e->addRoutineCommand(new FillRequestGroupCommand(CUIDCounterSingletonHolder::instance()->newID(), e.get(), 1));
e->addRoutineCommand(new FileAllocationDispatcherCommand(CUIDCounterSingletonHolder::instance()->newID(), e.get()));
e->addRoutineCommand(new AutoSaveCommand(CUIDCounterSingletonHolder::instance()->newID(), e.get(), op->getAsInt(PREF_AUTO_SAVE_INTERVAL)));
e->addRoutineCommand(new HaveEraseCommand(CUIDCounterSingletonHolder::instance()->newID(), e.get(), 10));
{
time_t stopSec = op->getAsInt(PREF_STOP);
if(stopSec > 0) {
e->addRoutineCommand(new TimedHaltCommand(CUIDCounterSingletonHolder::instance()->newID(), e.get(), stopSec));
}
}
return e;
}
} // namespace aria2