mirror of https://github.com/aria2/aria2
80 lines
3.0 KiB
C++
80 lines
3.0 KiB
C++
/* <!-- copyright */
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/*
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* aria2 - The high speed download utility
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*
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* Copyright (C) 2006 Tatsuhiro Tsujikawa
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* In addition, as a special exception, the copyright holders give
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* permission to link the code of portions of this program with the
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* OpenSSL library under certain conditions as described in each
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* individual source file, and distribute linked combinations
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* including the two.
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* You must obey the GNU General Public License in all respects
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* for all of the code used other than OpenSSL. If you modify
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* file(s) with this exception, you may extend this exception to your
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* version of the file(s), but you are not obligated to do so. If you
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* do not wish to do so, delete this exception statement from your
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* version. If you delete this exception statement from all source
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* files in the program, then also delete it here.
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*/
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/* copyright --> */
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#include "ChecksumCommand.h"
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#include "DlAbortEx.h"
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#include "message.h"
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void ChecksumCommand::initValidator()
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{
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_validator = new IteratableChecksumValidator();
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_validator->setChecksum(_requestGroup->getChecksum());
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_validator->setDiskWriter(_requestGroup->getSegmentMan()->diskWriter);
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_validator->setBitfield(_requestGroup->getSegmentMan()->getBitfield());
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if(!_validator->canValidate()) {
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// insufficient checksums.
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throw new DlAbortEx("Insufficient checksums.");
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}
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_validator->init();
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}
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bool ChecksumCommand::executeInternal()
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{
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_validator->validateChunk();
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if(_validator->finished()) {
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if(_requestGroup->downloadFinished()) {
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logger->notice(MSG_GOOD_CHECKSUM, cuid, _requestGroup->getFilePath().c_str());
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return true;
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} else {
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logger->error(MSG_BAD_CHECKSUM, cuid, _requestGroup->getFilePath().c_str());
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return true;
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}
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} else {
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_e->commands.push_back(this);
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return false;
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}
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}
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bool ChecksumCommand::handleException(Exception* e)
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{
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logger->error("CUID#%d - Exception caught while validating file integrity.", e, cuid);
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delete e;
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logger->error(MSG_DOWNLOAD_NOT_COMPLETE, cuid, _requestGroup->getFilePath().c_str());
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// TODO We need to set bitfield back to the state when validation begun.
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// The one of the solution is having a copy of bitfield before settting its
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// all bit to 1. If exception is thrown, then assign the copy to the bitfield.
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return true;
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}
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