diff options
| author | Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com> | 2007-05-20 13:57:56 +0000 |
|---|---|---|
| committer | Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com> | 2007-05-20 13:57:56 +0000 |
| commit | 079d2844ecde061d45c6884aa0ffee7fdc05de63 (patch) | |
| tree | 9b2c47e8f2bb091daa442f4b97c8597ac03e2583 /src/CheckIntegrityCommand.cc | |
| parent | eaf2d53a91d4019683bc6caf25c5a143f88a84b4 (diff) | |
New files
Diffstat (limited to 'src/CheckIntegrityCommand.cc')
| -rw-r--r-- | src/CheckIntegrityCommand.cc | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/src/CheckIntegrityCommand.cc b/src/CheckIntegrityCommand.cc new file mode 100644 index 00000000..7a4bf430 --- /dev/null +++ b/src/CheckIntegrityCommand.cc @@ -0,0 +1,90 @@ +/* <!-- 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 "CheckIntegrityCommand.h" +#include "FileAllocationEntry.h" +#include "InitiateConnectionCommandFactory.h" +#include "DlAbortEx.h" +#include "message.h" + +void CheckIntegrityCommand::initValidator() +{ + _validator = new IteratableChunkChecksumValidator(); + _validator->setChunkChecksum(_requestGroup->getChunkChecksum()); + _validator->setDiskWriter(_requestGroup->getSegmentMan()->diskWriter); + _validator->setBitfield(_requestGroup->getSegmentMan()->getBitfield()); + if(!_validator->canValidate()) { + // insufficient checksums. + throw new DlAbortEx("Insufficient checksums."); + } + _validator->init(); +} + +bool CheckIntegrityCommand::execute() +{ + setStatusRealtime(); + _e->noWait = true; + + try { + _validator->validateChunk(); + if(_validator->finished()) { + if(_requestGroup->downloadFinished()) { + logger->notice(MSG_DOWNLOAD_ALREADY_COMPLETED, cuid, _requestGroup->getFilePath().c_str()); + return true; + } + if(_requestGroup->needsFileAllocation()) { + _e->_fileAllocationMan->pushFileAllocationEntry(new FileAllocationEntry(cuid, _req, _requestGroup)); + } else { + int32_t numCommandsToGenerate = 15; + Commands commands = _requestGroup->getNextCommand(_e, numCommandsToGenerate); + Command* command = InitiateConnectionCommandFactory::createInitiateConnectionCommand(cuid, _req, _requestGroup, _e); + commands.push_front(command); + _e->addCommand(commands); + } + return true; + } else { + _e->commands.push_back(this); + return false; + } + } catch(Exception* e) { + _requestGroup->getSegmentMan()->errors++; + logger->error("CUID#%d - Exception caught while validating file integrity.", e, cuid); + delete e; + logger->error(MSG_DOWNLOAD_NOT_COMPLETE, cuid, _requestGroup->getFilePath().c_str()); + // TODO this is wrong. There may exist invalid chunk data before catching + // exception. Fix this. + _requestGroup->markPieceDone(_validator->getCurrentOffset()); + return true; + } +} |
