aria2/src/BtCheckIntegrityEntry.cc

98 lines
3.6 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 --> */
#include "BtCheckIntegrityEntry.h"
#include "BtFileAllocationEntry.h"
#include "RequestGroup.h"
#include "PieceStorage.h"
#include "DownloadEngine.h"
#include "DiskAdaptor.h"
#include "prefs.h"
#include "Option.h"
#include "util.h"
#include "SingletonHolder.h"
#include "Notifier.h"
namespace aria2 {
BtCheckIntegrityEntry::BtCheckIntegrityEntry(RequestGroup* requestGroup)
: PieceHashCheckIntegrityEntry(requestGroup, nullptr)
{
}
BtCheckIntegrityEntry::~BtCheckIntegrityEntry() = default;
void BtCheckIntegrityEntry::onDownloadIncomplete(
std::vector<std::unique_ptr<Command>>& commands, DownloadEngine* e)
{
auto& ps = getRequestGroup()->getPieceStorage();
ps->onDownloadIncomplete();
if (getRequestGroup()->getOption()->getAsBool(PREF_HASH_CHECK_ONLY)) {
return;
}
const auto& diskAdaptor = ps->getDiskAdaptor();
if (diskAdaptor->isReadOnlyEnabled()) {
// Now reopen DiskAdaptor with read only disabled.
diskAdaptor->closeFile();
diskAdaptor->disableReadOnly();
diskAdaptor->openFile();
}
proceedFileAllocation(
commands, make_unique<BtFileAllocationEntry>(getRequestGroup()), e);
}
void BtCheckIntegrityEntry::onDownloadFinished(
std::vector<std::unique_ptr<Command>>& commands, DownloadEngine* e)
{
auto group = getRequestGroup();
const auto& option = group->getOption();
if (option->getAsBool(PREF_BT_ENABLE_HOOK_AFTER_HASH_CHECK)) {
util::executeHookByOptName(group, option.get(),
PREF_ON_BT_DOWNLOAD_COMPLETE);
SingletonHolder<Notifier>::instance()->notifyDownloadEvent(
EVENT_ON_BT_DOWNLOAD_COMPLETE, group);
}
// TODO Currently,when all the checksums
// are valid, then aria2 goes to seeding mode. Sometimes it is better
// to exit rather than doing seeding. So, it would be good to toggle this
// behavior.
if (!option->getAsBool(PREF_HASH_CHECK_ONLY) &&
option->getAsBool(PREF_BT_HASH_CHECK_SEED)) {
proceedFileAllocation(
commands, make_unique<BtFileAllocationEntry>(getRequestGroup()), e);
}
}
} // namespace aria2