mirror of https://github.com/aria2/aria2
1061 lines
31 KiB
C++
1061 lines
31 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 "RequestGroup.h"
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#include "PostDownloadHandler.h"
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#include "DownloadEngine.h"
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#include "DefaultSegmentManFactory.h"
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#include "SegmentMan.h"
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#include "NullProgressInfoFile.h"
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#include "Dependency.h"
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#include "prefs.h"
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#include "InitiateConnectionCommandFactory.h"
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#include "CUIDCounter.h"
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#include "File.h"
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#include "message.h"
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#include "Util.h"
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#include "BtRegistry.h"
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#include "LogFactory.h"
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#include "Logger.h"
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#include "DiskAdaptor.h"
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#include "DiskWriterFactory.h"
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#include "RecoverableException.h"
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#include "StreamCheckIntegrityEntry.h"
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#include "CheckIntegrityCommand.h"
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#include "UnknownLengthPieceStorage.h"
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#include "BtContext.h"
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#include "SingleFileDownloadContext.h"
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#include "DlAbortEx.h"
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#include "DownloadFailureException.h"
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#include "RequestGroupMan.h"
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#include "DefaultBtProgressInfoFile.h"
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#include "DefaultPieceStorage.h"
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#include "DownloadResult.h"
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#include "DownloadHandlerFactory.h"
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#include "MemoryBufferPreDownloadHandler.h"
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#include "DownloadHandlerConstants.h"
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#include "ServerHost.h"
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#include "Option.h"
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#include "FileEntry.h"
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#include "Request.h"
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#include "FileAllocationIterator.h"
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#include "StringFormat.h"
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#include "A2STR.h"
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#include "URISelector.h"
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#include "InOrderURISelector.h"
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#ifdef ENABLE_MESSAGE_DIGEST
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# include "CheckIntegrityCommand.h"
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#endif // ENABLE_MESSAGE_DIGEST
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#ifdef ENABLE_BITTORRENT
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# include "BtCheckIntegrityEntry.h"
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# include "DefaultPeerStorage.h"
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# include "DefaultBtAnnounce.h"
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# include "BtRuntime.h"
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# include "BtSetup.h"
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# include "BtFileAllocationEntry.h"
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# include "BtPostDownloadHandler.h"
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# include "DHTSetup.h"
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# include "DHTRegistry.h"
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# include "PeerObject.h"
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# include "BtMessageFactory.h"
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# include "BtRequestFactory.h"
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# include "BtMessageDispatcher.h"
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# include "BtMessageReceiver.h"
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# include "PeerConnection.h"
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# include "ExtensionMessageFactory.h"
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# include "DHTPeerAnnounceStorage.h"
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# include "DHTEntryPointNameResolveCommand.h"
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#endif // ENABLE_BITTORRENT
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#ifdef ENABLE_METALINK
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# include "MetalinkPostDownloadHandler.h"
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#endif // ENABLE_METALINK
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#include <cassert>
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#include <algorithm>
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namespace aria2 {
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int32_t RequestGroup::_gidCounter = 0;
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const std::string RequestGroup::ACCEPT_METALINK = "application/metalink+xml";
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RequestGroup::RequestGroup(const Option* option,
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const std::deque<std::string>& uris):
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_gid(++_gidCounter),
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_uris(uris),
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_numConcurrentCommand(0),
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_numStreamConnection(0),
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_numCommand(0),
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_segmentManFactory(new DefaultSegmentManFactory(option)),
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_progressInfoFile(new NullProgressInfoFile()),
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_preLocalFileCheckEnabled(true),
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_haltRequested(false),
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_forceHaltRequested(false),
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_singleHostMultiConnectionEnabled(true),
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_uriSelector(new InOrderURISelector()),
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_lastModifiedTime(-1),
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_fileNotFoundCount(0),
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_option(option),
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_logger(LogFactory::getInstance())
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{
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if(_option->get(PREF_FILE_ALLOCATION) == V_PREALLOC) {
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_fileAllocationEnabled = true;
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} else {
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_fileAllocationEnabled = false;
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}
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// Add types to be sent as a Accept header value here.
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// It would be good to put this value in Option so that user can tweak
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// and add this list.
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// ACCEPT_METALINK is used for `transparent metalink'.
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addAcceptType(ACCEPT_METALINK);
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initializePreDownloadHandler();
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initializePostDownloadHandler();
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}
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RequestGroup::~RequestGroup() {}
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SegmentManHandle RequestGroup::initSegmentMan()
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{
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_segmentMan = _segmentManFactory->createNewInstance(_downloadContext,
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_pieceStorage);
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return _segmentMan;
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}
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bool RequestGroup::downloadFinished() const
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{
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if(_pieceStorage.isNull()) {
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return false;
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} else {
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return _pieceStorage->downloadFinished();
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}
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}
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bool RequestGroup::allDownloadFinished() const
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{
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if(_pieceStorage.isNull()) {
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return false;
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} else {
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return _pieceStorage->allDownloadFinished();
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}
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}
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void RequestGroup::closeFile()
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{
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if(!_pieceStorage.isNull()) {
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_pieceStorage->getDiskAdaptor()->closeFile();
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}
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}
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void RequestGroup::createInitialCommand(std::deque<Command*>& commands,
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DownloadEngine* e)
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{
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#ifdef ENABLE_BITTORRENT
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{
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BtContextHandle btContext = dynamic_pointer_cast<BtContext>(_downloadContext);
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if(!btContext.isNull()) {
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if(e->_requestGroupMan->isSameFileBeingDownloaded(this)) {
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throw DownloadFailureException
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(StringFormat(EX_DUPLICATE_FILE_DOWNLOAD,
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getFilePath().c_str()).str());
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}
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initPieceStorage();
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if(btContext->getFileEntries().size() > 1) {
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// this is really multi file torrent.
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// clear http/ftp uris because the current implementation does not
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// allow integrating multi-file torrent and http/ftp.
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_logger->debug("Clearing http/ftp URIs because the current implementation does not allow integrating multi-file torrent and http/ftp.");
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_uris.clear();
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_pieceStorage->setFileFilter(Util::parseIntRange(_option->get(PREF_SELECT_FILE)));
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}
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BtProgressInfoFileHandle
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progressInfoFile(new DefaultBtProgressInfoFile(_downloadContext,
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_pieceStorage,
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_option));
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BtRegistry::registerBtContext(btContext->getInfoHashAsString(), btContext);
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BtRegistry::registerPieceStorage(btContext->getInfoHashAsString(),
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_pieceStorage);
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BtRegistry::registerBtProgressInfoFile(btContext->getInfoHashAsString(),
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progressInfoFile);
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BtRuntimeHandle btRuntime(new BtRuntime());
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btRuntime->setListenPort(_option->getAsInt(PREF_LISTEN_PORT));
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BtRegistry::registerBtRuntime(btContext->getInfoHashAsString(), btRuntime);
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PeerStorageHandle peerStorage(new DefaultPeerStorage(btContext, _option));
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BtRegistry::registerPeerStorage(btContext->getInfoHashAsString(), peerStorage);
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BtAnnounceHandle btAnnounce(new DefaultBtAnnounce(btContext, _option));
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BtRegistry::registerBtAnnounce(btContext->getInfoHashAsString(), btAnnounce);
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btAnnounce->shuffleAnnounce();
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{
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SharedHandle<PeerObjectCluster> po(new PeerObjectCluster());
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BtRegistry::registerPeerObjectCluster(btContext->getInfoHashAsString(),
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po);
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}
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// Remove the control file if download file doesn't exist
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if(progressInfoFile->exists() && !_pieceStorage->getDiskAdaptor()->fileExists()) {
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progressInfoFile->removeFile();
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_logger->notice(MSG_REMOVED_DEFUNCT_CONTROL_FILE,
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progressInfoFile->getFilename().c_str(),
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_pieceStorage->getDiskAdaptor()->getFilePath().c_str());
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}
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// Call Load, Save and file allocation command here
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if(progressInfoFile->exists()) {
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// load .aria2 file if it exists.
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progressInfoFile->load();
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_pieceStorage->getDiskAdaptor()->openFile();
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} else {
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if(_pieceStorage->getDiskAdaptor()->fileExists()) {
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if(!_option->getAsBool(PREF_CHECK_INTEGRITY) &&
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!_option->getAsBool(PREF_ALLOW_OVERWRITE) &&
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!_option->getAsBool(PREF_BT_SEED_UNVERIFIED)) {
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// TODO we need this->haltRequested = true?
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throw DownloadFailureException
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(StringFormat
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(MSG_FILE_ALREADY_EXISTS,
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_pieceStorage->getDiskAdaptor()->getFilePath().c_str()).str());
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} else {
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_pieceStorage->getDiskAdaptor()->openFile();
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}
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if(_option->getAsBool(PREF_BT_SEED_UNVERIFIED)) {
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_pieceStorage->markAllPiecesDone();
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}
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} else {
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_pieceStorage->getDiskAdaptor()->openFile();
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}
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}
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_progressInfoFile = progressInfoFile;
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if(!btContext->isPrivate() && _option->getAsBool(PREF_ENABLE_DHT)) {
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std::deque<Command*> commands;
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DHTSetup().setup(commands, e, _option);
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e->addCommand(commands);
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if(!btContext->getNodes().empty() && DHTSetup::initialized()) {
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DHTEntryPointNameResolveCommand* command =
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new DHTEntryPointNameResolveCommand(CUIDCounterSingletonHolder::instance()->newID(), e, btContext->getNodes());
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command->setTaskQueue(DHTRegistry::_taskQueue);
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command->setTaskFactory(DHTRegistry::_taskFactory);
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command->setRoutingTable(DHTRegistry::_routingTable);
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command->setLocalNode(DHTRegistry::_localNode);
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e->commands.push_back(command);
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}
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}
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CheckIntegrityEntryHandle entry(new BtCheckIntegrityEntry(this));
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// --bt-seed-unverified=true is given and download has completed, skip
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// validation for piece hashes.
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if(_option->getAsBool(PREF_BT_SEED_UNVERIFIED) &&
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_pieceStorage->downloadFinished()) {
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entry->onDownloadFinished(commands, e);
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} else {
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processCheckIntegrityEntry(commands, entry, e);
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}
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return;
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}
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}
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#endif // ENABLE_BITTORRENT
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// TODO I assume here when totallength is set to DownloadContext and it is
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// not 0, then filepath is also set DownloadContext correctly....
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if(_downloadContext->getTotalLength() == 0) {
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createNextCommand(commands, e, 1);
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}else {
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if(e->_requestGroupMan->isSameFileBeingDownloaded(this)) {
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throw DownloadFailureException
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(StringFormat(EX_DUPLICATE_FILE_DOWNLOAD,
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getFilePath().c_str()).str());
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}
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initPieceStorage();
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BtProgressInfoFileHandle infoFile
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(new DefaultBtProgressInfoFile(_downloadContext, _pieceStorage, _option));
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if(infoFile->exists() || !downloadFinishedByFileLength()) {
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loadAndOpenFile(infoFile);
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SharedHandle<CheckIntegrityEntry> checkIntegrityEntry
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(new StreamCheckIntegrityEntry(SharedHandle<Request>(), this));
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processCheckIntegrityEntry(commands, checkIntegrityEntry, e);
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}
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}
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}
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void RequestGroup::processCheckIntegrityEntry(std::deque<Command*>& commands,
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const CheckIntegrityEntryHandle& entry,
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DownloadEngine* e)
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{
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#ifdef ENABLE_MESSAGE_DIGEST
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if(e->option->getAsBool(PREF_CHECK_INTEGRITY) &&
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entry->isValidationReady()) {
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entry->initValidator();
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entry->cutTrailingGarbage();
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CheckIntegrityCommand* command =
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new CheckIntegrityCommand(CUIDCounterSingletonHolder::instance()->newID(), this, e, entry);
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commands.push_back(command);
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} else
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#endif // ENABLE_MESSAGE_DIGEST
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{
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entry->onDownloadIncomplete(commands, e);
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}
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}
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void RequestGroup::initPieceStorage()
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{
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if(_downloadContext->getTotalLength() == 0) {
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UnknownLengthPieceStorageHandle ps(new UnknownLengthPieceStorage(_downloadContext, _option));
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if(!_diskWriterFactory.isNull()) {
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ps->setDiskWriterFactory(_diskWriterFactory);
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}
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_pieceStorage = ps;
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} else {
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DefaultPieceStorageHandle ps(new DefaultPieceStorage(_downloadContext, _option));
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if(!_diskWriterFactory.isNull()) {
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ps->setDiskWriterFactory(_diskWriterFactory);
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}
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_pieceStorage = ps;
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}
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_pieceStorage->initStorage();
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initSegmentMan();
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}
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bool RequestGroup::downloadFinishedByFileLength()
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{
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// assuming that a control file doesn't exist.
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if(!isPreLocalFileCheckEnabled() ||
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_option->getAsBool(PREF_ALLOW_OVERWRITE) ||
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(_option->getAsBool(PREF_CHECK_INTEGRITY) &&
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!_downloadContext->getPieceHashes().empty())) {
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return false;
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}
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// TODO consider the case when the getFilePath() returns dir path.
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File outfile(getFilePath());
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if(outfile.exists() && getTotalLength() == outfile.size()) {
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_pieceStorage->markAllPiecesDone();
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_logger->notice(MSG_DOWNLOAD_ALREADY_COMPLETED, _gid, getFilePath().c_str());
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return true;
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} else {
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return false;
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}
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}
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void RequestGroup::loadAndOpenFile(const BtProgressInfoFileHandle& progressInfoFile)
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{
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try {
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if(!isPreLocalFileCheckEnabled()) {
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_pieceStorage->getDiskAdaptor()->initAndOpenFile();
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return;
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}
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// Remove the control file if download file doesn't exist
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if(progressInfoFile->exists() && !_pieceStorage->getDiskAdaptor()->fileExists()) {
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progressInfoFile->removeFile();
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_logger->notice(MSG_REMOVED_DEFUNCT_CONTROL_FILE,
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progressInfoFile->getFilename().c_str(),
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_pieceStorage->getDiskAdaptor()->getFilePath().c_str());
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}
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while(1) {
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if(progressInfoFile->exists()) {
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progressInfoFile->load();
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_pieceStorage->getDiskAdaptor()->openExistingFile();
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} else {
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File outfile(getFilePath());
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if(outfile.exists() && _option->getAsBool(PREF_CONTINUE)) {
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if(getTotalLength() < outfile.size()) {
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throw DlAbortEx
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(StringFormat(EX_FILE_LENGTH_MISMATCH_BETWEEN_LOCAL_AND_REMOTE,
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getFilePath().c_str(),
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Util::itos(outfile.size()).c_str(),
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Util::itos(getTotalLength()).c_str()).str());
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}
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_pieceStorage->getDiskAdaptor()->openExistingFile();
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_pieceStorage->markPiecesDone(outfile.size());
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} else {
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#ifdef ENABLE_MESSAGE_DIGEST
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if(outfile.exists() && _option->getAsBool(PREF_CHECK_INTEGRITY)) {
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_pieceStorage->getDiskAdaptor()->openExistingFile();
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} else {
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#endif // ENABLE_MESSAGE_DIGEST
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shouldCancelDownloadForSafety();
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// call updateFilename here in case when filename is renamed
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// by tryAutoFileRenaming()
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progressInfoFile->updateFilename();
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if(progressInfoFile->exists()) {
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// Close DiskAdaptor here. Renmaed file will be opened in the
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// next loop .
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_pieceStorage->getDiskAdaptor()->closeFile();
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continue;
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}
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_pieceStorage->getDiskAdaptor()->initAndOpenFile();
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#ifdef ENABLE_MESSAGE_DIGEST
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}
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#endif // ENABLE_MESSAGE_DIGEST
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}
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}
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setProgressInfoFile(progressInfoFile);
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break;
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}
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} catch(RecoverableException& e) {
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throw DownloadFailureException
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(StringFormat(EX_DOWNLOAD_ABORTED).str(), e);
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}
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}
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// assuming that a control file does not exist
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void RequestGroup::shouldCancelDownloadForSafety()
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{
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if(_option->getAsBool(PREF_ALLOW_OVERWRITE)) {
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return;
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}
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File outfile(getFilePath());
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if(outfile.exists()) {
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if(_option->getAsBool(PREF_AUTO_FILE_RENAMING)) {
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if(tryAutoFileRenaming()) {
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_logger->notice(MSG_FILE_RENAMED, getFilePath().c_str());
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} else {
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throw DownloadFailureException
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(StringFormat("File renaming failed: %s",
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getFilePath().c_str()).str());
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}
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} else {
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throw DownloadFailureException
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(StringFormat(MSG_FILE_ALREADY_EXISTS,
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getFilePath().c_str()).str());
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}
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}
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}
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bool RequestGroup::tryAutoFileRenaming()
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{
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std::string filepath = getFilePath();
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if(filepath.empty()) {
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return false;
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}
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SingleFileDownloadContextHandle ctx =
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dynamic_pointer_cast<SingleFileDownloadContext>(_downloadContext);
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// Make a copy of ctx.
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SingleFileDownloadContextHandle tempCtx(new SingleFileDownloadContext(*ctx.get()));
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DefaultBtProgressInfoFile tempInfoFile(tempCtx, SharedHandle<PieceStorage>(), 0);
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for(unsigned int i = 1; i < 10000; ++i) {
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File newfile(filepath+"."+Util::uitos(i));
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std::string newFilename = newfile.getBasename();
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tempCtx->setUFilename(newFilename);
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tempInfoFile.updateFilename();
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if(!newfile.exists() || (newfile.exists() && tempInfoFile.exists())) {
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ctx->setUFilename(newFilename);
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return true;
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}
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}
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return false;
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}
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void RequestGroup::createNextCommandWithAdj(std::deque<Command*>& commands,
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DownloadEngine* e, int numAdj)
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{
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int numCommand;
|
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if(getTotalLength() == 0) {
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numCommand = 1+numAdj;
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} else {
|
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if(_numConcurrentCommand == 0) {
|
|
numCommand = _uris.size();
|
|
} else {
|
|
numCommand = _numConcurrentCommand;
|
|
}
|
|
numCommand = std::min(static_cast<int>(_downloadContext->getNumPieces()),
|
|
numCommand);
|
|
numCommand += numAdj;
|
|
}
|
|
if(numCommand > 0) {
|
|
createNextCommand(commands, e, numCommand);
|
|
}
|
|
}
|
|
|
|
void RequestGroup::createNextCommand(std::deque<Command*>& commands,
|
|
DownloadEngine* e,
|
|
unsigned int numCommand,
|
|
const std::string& method)
|
|
{
|
|
std::deque<std::string> pendingURIs;
|
|
for(; !_uris.empty() && numCommand--; ) {
|
|
std::string uri = _uriSelector->select(_uris);
|
|
RequestHandle req(new Request());
|
|
if(req->setUrl(uri)) {
|
|
ServerHostHandle sv;
|
|
if(!_singleHostMultiConnectionEnabled){
|
|
sv = searchServerHost(req->getHost());
|
|
}
|
|
if(sv.isNull()) {
|
|
_spentUris.push_back(uri);
|
|
req->setReferer(_option->get(PREF_REFERER));
|
|
req->setMethod(method);
|
|
|
|
Command* command = InitiateConnectionCommandFactory::createInitiateConnectionCommand(CUIDCounterSingletonHolder::instance()->newID(), req, this, e);
|
|
ServerHostHandle sv(new ServerHost(command->getCuid(), req->getHost()));
|
|
registerServerHost(sv);
|
|
// give a chance to be executed in the next loop in DownloadEngine
|
|
command->setStatus(Command::STATUS_ONESHOT_REALTIME);
|
|
commands.push_back(command);
|
|
} else {
|
|
pendingURIs.push_back(uri);
|
|
}
|
|
} else {
|
|
_logger->error(MSG_UNRECOGNIZED_URI, req->getUrl().c_str());
|
|
}
|
|
}
|
|
_uris.insert(_uris.begin(), pendingURIs.begin(), pendingURIs.end());
|
|
}
|
|
|
|
std::string RequestGroup::getFilePath() const
|
|
{
|
|
assert(!_downloadContext.isNull());
|
|
if(_downloadContext.isNull()) {
|
|
return A2STR::NIL;
|
|
} else {
|
|
return _downloadContext->getActualBasePath();
|
|
}
|
|
}
|
|
|
|
uint64_t RequestGroup::getTotalLength() const
|
|
{
|
|
if(_pieceStorage.isNull()) {
|
|
return 0;
|
|
} else {
|
|
if(_pieceStorage->isSelectiveDownloadingMode()) {
|
|
return _pieceStorage->getFilteredTotalLength();
|
|
} else {
|
|
return _pieceStorage->getTotalLength();
|
|
}
|
|
}
|
|
}
|
|
|
|
uint64_t RequestGroup::getCompletedLength() const
|
|
{
|
|
if(_pieceStorage.isNull()) {
|
|
return 0;
|
|
} else {
|
|
if(_pieceStorage->isSelectiveDownloadingMode()) {
|
|
return _pieceStorage->getFilteredCompletedLength();
|
|
} else {
|
|
return _pieceStorage->getCompletedLength();
|
|
}
|
|
}
|
|
}
|
|
|
|
void RequestGroup::validateFilename(const std::string& expectedFilename,
|
|
const std::string& actualFilename) const
|
|
{
|
|
if(expectedFilename.empty()) {
|
|
return;
|
|
}
|
|
if(expectedFilename != actualFilename) {
|
|
throw DlAbortEx(StringFormat(EX_FILENAME_MISMATCH,
|
|
expectedFilename.c_str(),
|
|
actualFilename.c_str()).str());
|
|
}
|
|
}
|
|
|
|
void RequestGroup::validateTotalLength(uint64_t expectedTotalLength,
|
|
uint64_t actualTotalLength) const
|
|
{
|
|
if(expectedTotalLength <= 0) {
|
|
return;
|
|
}
|
|
if(expectedTotalLength != actualTotalLength) {
|
|
throw DlAbortEx
|
|
(StringFormat(EX_SIZE_MISMATCH,
|
|
Util::itos(expectedTotalLength, true).c_str(),
|
|
Util::itos(actualTotalLength, true).c_str()).str());
|
|
}
|
|
}
|
|
|
|
void RequestGroup::validateFilename(const std::string& actualFilename) const
|
|
{
|
|
validateFilename(_downloadContext->getFileEntries().front()->getBasename(), actualFilename);
|
|
}
|
|
|
|
void RequestGroup::validateTotalLength(uint64_t actualTotalLength) const
|
|
{
|
|
validateTotalLength(getTotalLength(), actualTotalLength);
|
|
}
|
|
|
|
void RequestGroup::increaseStreamConnection()
|
|
{
|
|
++_numStreamConnection;
|
|
}
|
|
|
|
void RequestGroup::decreaseStreamConnection()
|
|
{
|
|
--_numStreamConnection;
|
|
}
|
|
|
|
unsigned int RequestGroup::getNumConnection() const
|
|
{
|
|
unsigned int numConnection = _numStreamConnection;
|
|
#ifdef ENABLE_BITTORRENT
|
|
{
|
|
BtContextHandle btContext = dynamic_pointer_cast<BtContext>(_downloadContext);
|
|
if(!btContext.isNull()) {
|
|
BtRuntimeHandle btRuntime = BT_RUNTIME(btContext);
|
|
if(!btRuntime.isNull()) {
|
|
numConnection += btRuntime->getConnections();
|
|
}
|
|
}
|
|
}
|
|
#endif // ENABLE_BITTORRENT
|
|
return numConnection;
|
|
}
|
|
|
|
void RequestGroup::increaseNumCommand()
|
|
{
|
|
++_numCommand;
|
|
}
|
|
|
|
void RequestGroup::decreaseNumCommand()
|
|
{
|
|
--_numCommand;
|
|
}
|
|
|
|
|
|
TransferStat RequestGroup::calculateStat()
|
|
{
|
|
TransferStat stat;
|
|
#ifdef ENABLE_BITTORRENT
|
|
{
|
|
BtContextHandle btContext = dynamic_pointer_cast<BtContext>(_downloadContext);
|
|
if(!btContext.isNull()) {
|
|
PeerStorageHandle peerStorage = PEER_STORAGE(btContext);
|
|
if(!peerStorage.isNull()) {
|
|
stat = peerStorage->calculateStat();
|
|
}
|
|
}
|
|
}
|
|
#endif // ENABLE_BITTORRENT
|
|
if(!_segmentMan.isNull()) {
|
|
stat.setDownloadSpeed(stat.getDownloadSpeed()+_segmentMan->calculateDownloadSpeed());
|
|
}
|
|
return stat;
|
|
}
|
|
|
|
void RequestGroup::setHaltRequested(bool f)
|
|
{
|
|
_haltRequested = f;
|
|
#ifdef ENABLE_BITTORRENT
|
|
{
|
|
BtContextHandle btContext = dynamic_pointer_cast<BtContext>(_downloadContext);
|
|
if(!btContext.isNull()) {
|
|
BtRuntimeHandle btRuntime = BT_RUNTIME(btContext);
|
|
if(!btRuntime.isNull()) {
|
|
btRuntime->setHalt(f);
|
|
}
|
|
}
|
|
}
|
|
#endif // ENABLE_BITTORRENT
|
|
}
|
|
|
|
void RequestGroup::setForceHaltRequested(bool f)
|
|
{
|
|
setHaltRequested(f);
|
|
_forceHaltRequested = f;
|
|
}
|
|
|
|
void RequestGroup::releaseRuntimeResource()
|
|
{
|
|
#ifdef ENABLE_BITTORRENT
|
|
BtContextHandle btContext = dynamic_pointer_cast<BtContext>(_downloadContext);
|
|
if(!btContext.isNull()) {
|
|
BtContextHandle btContextInReg = BtRegistry::getBtContext(btContext->getInfoHashAsString());
|
|
if(!btContextInReg.isNull() &&
|
|
btContextInReg->getOwnerRequestGroup()->getGID() ==
|
|
btContext->getOwnerRequestGroup()->getGID()) {
|
|
BtRegistry::unregister(btContext->getInfoHashAsString());
|
|
if(!DHTRegistry::_peerAnnounceStorage.isNull()) {
|
|
DHTRegistry::_peerAnnounceStorage->removePeerAnnounce(btContext);
|
|
}
|
|
}
|
|
}
|
|
#endif // ENABLE_BITTORRENT
|
|
if(!_pieceStorage.isNull()) {
|
|
_pieceStorage->removeAdvertisedPiece(0);
|
|
}
|
|
}
|
|
|
|
void RequestGroup::preDownloadProcessing()
|
|
{
|
|
_logger->debug("Finding PreDownloadHandler for path %s.", getFilePath().c_str());
|
|
try {
|
|
for(PreDownloadHandlers::const_iterator itr = _preDownloadHandlers.begin();
|
|
itr != _preDownloadHandlers.end(); ++itr) {
|
|
if((*itr)->canHandle(this)) {
|
|
(*itr)->execute(this);
|
|
return;
|
|
}
|
|
}
|
|
} catch(RecoverableException& ex) {
|
|
_logger->error(EX_EXCEPTION_CAUGHT, ex);
|
|
return;
|
|
}
|
|
_logger->debug("No PreDownloadHandler found.");
|
|
return;
|
|
}
|
|
|
|
void RequestGroup::postDownloadProcessing
|
|
(std::deque<SharedHandle<RequestGroup> >& groups)
|
|
{
|
|
_logger->debug("Finding PostDownloadHandler for path %s.", getFilePath().c_str());
|
|
try {
|
|
for(PostDownloadHandlers::const_iterator itr = _postDownloadHandlers.begin();
|
|
itr != _postDownloadHandlers.end(); ++itr) {
|
|
if((*itr)->canHandle(this)) {
|
|
(*itr)->getNextRequestGroups(groups, this);
|
|
return;
|
|
}
|
|
}
|
|
} catch(RecoverableException& ex) {
|
|
_logger->error(EX_EXCEPTION_CAUGHT, ex);
|
|
}
|
|
_logger->debug("No PostDownloadHandler found.");
|
|
}
|
|
|
|
void RequestGroup::initializePreDownloadHandler()
|
|
{
|
|
#ifdef ENABLE_BITTORRENT
|
|
if(_option->get(PREF_FOLLOW_TORRENT) == V_MEM) {
|
|
_preDownloadHandlers.push_back(DownloadHandlerFactory::getBtPreDownloadHandler());
|
|
}
|
|
#endif // ENABLE_BITTORRENT
|
|
#ifdef ENABLE_METALINK
|
|
if(_option->get(PREF_FOLLOW_METALINK) == V_MEM) {
|
|
_preDownloadHandlers.push_back(DownloadHandlerFactory::getMetalinkPreDownloadHandler());
|
|
}
|
|
#endif // ENABLE_METALINK
|
|
}
|
|
|
|
void RequestGroup::initializePostDownloadHandler()
|
|
{
|
|
#ifdef ENABLE_BITTORRENT
|
|
if(_option->getAsBool(PREF_FOLLOW_TORRENT) ||
|
|
_option->get(PREF_FOLLOW_TORRENT) == V_MEM) {
|
|
_postDownloadHandlers.push_back(DownloadHandlerFactory::getBtPostDownloadHandler());
|
|
}
|
|
#endif // ENABLE_BITTORRENT
|
|
#ifdef ENABLE_METALINK
|
|
if(_option->getAsBool(PREF_FOLLOW_METALINK) ||
|
|
_option->get(PREF_FOLLOW_METALINK) == V_MEM) {
|
|
_postDownloadHandlers.push_back(DownloadHandlerFactory::getMetalinkPostDownloadHandler());
|
|
}
|
|
#endif // ENABLE_METALINK
|
|
}
|
|
|
|
void RequestGroup::getURIs(std::deque<std::string>& uris) const
|
|
{
|
|
uris.insert(uris.end(), _spentUris.begin(), _spentUris.end());
|
|
uris.insert(uris.end(), _uris.begin(), _uris.end());
|
|
}
|
|
|
|
bool RequestGroup::isDependencyResolved()
|
|
{
|
|
if(_dependency.isNull()) {
|
|
return true;
|
|
}
|
|
return _dependency->resolve();
|
|
}
|
|
|
|
void RequestGroup::setSegmentManFactory(const SegmentManFactoryHandle& segmentManFactory)
|
|
{
|
|
_segmentManFactory = segmentManFactory;
|
|
}
|
|
|
|
void RequestGroup::dependsOn(const DependencyHandle& dep)
|
|
{
|
|
_dependency = dep;
|
|
}
|
|
|
|
void RequestGroup::setDiskWriterFactory(const DiskWriterFactoryHandle& diskWriterFactory)
|
|
{
|
|
_diskWriterFactory = diskWriterFactory;
|
|
}
|
|
|
|
DiskWriterFactoryHandle RequestGroup::getDiskWriterFactory() const
|
|
{
|
|
return _diskWriterFactory;
|
|
}
|
|
|
|
void RequestGroup::addPostDownloadHandler(const PostDownloadHandlerHandle& handler)
|
|
{
|
|
_postDownloadHandlers.push_back(handler);
|
|
}
|
|
|
|
void RequestGroup::addPreDownloadHandler(const PreDownloadHandlerHandle& handler)
|
|
{
|
|
_preDownloadHandlers.push_back(handler);
|
|
}
|
|
|
|
void RequestGroup::clearPostDowloadHandler()
|
|
{
|
|
_postDownloadHandlers.clear();
|
|
}
|
|
|
|
void RequestGroup::clearPreDowloadHandler()
|
|
{
|
|
_preDownloadHandlers.clear();
|
|
}
|
|
|
|
SegmentManHandle RequestGroup::getSegmentMan() const
|
|
{
|
|
return _segmentMan;
|
|
}
|
|
|
|
DownloadContextHandle RequestGroup::getDownloadContext() const
|
|
{
|
|
return _downloadContext;
|
|
}
|
|
|
|
void RequestGroup::setDownloadContext(const DownloadContextHandle& downloadContext)
|
|
{
|
|
_downloadContext = downloadContext;
|
|
}
|
|
|
|
PieceStorageHandle RequestGroup::getPieceStorage() const
|
|
{
|
|
return _pieceStorage;
|
|
}
|
|
|
|
void RequestGroup::setPieceStorage(const PieceStorageHandle& pieceStorage)
|
|
{
|
|
_pieceStorage = pieceStorage;
|
|
}
|
|
|
|
BtProgressInfoFileHandle RequestGroup::getProgressInfoFile() const
|
|
{
|
|
return _progressInfoFile;
|
|
}
|
|
|
|
void RequestGroup::setProgressInfoFile(const BtProgressInfoFileHandle& progressInfoFile)
|
|
{
|
|
_progressInfoFile = progressInfoFile;
|
|
}
|
|
|
|
bool RequestGroup::needsFileAllocation() const
|
|
{
|
|
return isFileAllocationEnabled() &&
|
|
(uint64_t)_option->getAsLLInt(PREF_NO_FILE_ALLOCATION_LIMIT) <= getTotalLength() &&
|
|
!_pieceStorage->getDiskAdaptor()->fileAllocationIterator()->finished();
|
|
}
|
|
|
|
DownloadResultHandle RequestGroup::createDownloadResult() const
|
|
{
|
|
std::deque<std::string> uris;
|
|
getURIs(uris);
|
|
return
|
|
SharedHandle<DownloadResult>(new DownloadResult(_gid,
|
|
getFilePath(),
|
|
getTotalLength(),
|
|
uris.empty() ? A2STR::NIL:uris.front(),
|
|
uris.size(),
|
|
downloadFinished()?
|
|
DownloadResult::FINISHED :
|
|
DownloadResult::NOT_YET));
|
|
}
|
|
|
|
void RequestGroup::registerServerHost(const ServerHostHandle& serverHost)
|
|
{
|
|
_serverHosts.push_back(serverHost);
|
|
}
|
|
|
|
class FindServerHostByCUID
|
|
{
|
|
private:
|
|
int32_t _cuid;
|
|
public:
|
|
FindServerHostByCUID(int32_t cuid):_cuid(cuid) {}
|
|
|
|
bool operator()(const ServerHostHandle& sv) const
|
|
{
|
|
return sv->getCuid() == _cuid;
|
|
}
|
|
};
|
|
|
|
ServerHostHandle RequestGroup::searchServerHost(int32_t cuid) const
|
|
{
|
|
std::deque<SharedHandle<ServerHost> >::const_iterator itr =
|
|
std::find_if(_serverHosts.begin(), _serverHosts.end(), FindServerHostByCUID(cuid));
|
|
if(itr == _serverHosts.end()) {
|
|
return SharedHandle<ServerHost>();
|
|
} else {
|
|
return *itr;
|
|
}
|
|
}
|
|
|
|
class FindServerHostByHostname
|
|
{
|
|
private:
|
|
std::string _hostname;
|
|
public:
|
|
FindServerHostByHostname(const std::string& hostname):_hostname(hostname) {}
|
|
|
|
bool operator()(const ServerHostHandle& sv) const
|
|
{
|
|
return sv->getHostname() == _hostname;
|
|
}
|
|
};
|
|
|
|
ServerHostHandle RequestGroup::searchServerHost(const std::string& hostname) const
|
|
{
|
|
std::deque<SharedHandle<ServerHost> >::const_iterator itr =
|
|
std::find_if(_serverHosts.begin(), _serverHosts.end(), FindServerHostByHostname(hostname));
|
|
if(itr == _serverHosts.end()) {
|
|
return SharedHandle<ServerHost>();
|
|
} else {
|
|
return *itr;
|
|
}
|
|
}
|
|
|
|
void RequestGroup::removeServerHost(int32_t cuid)
|
|
{
|
|
_serverHosts.erase(std::remove_if(_serverHosts.begin(), _serverHosts.end(), FindServerHostByCUID(cuid)), _serverHosts.end());
|
|
}
|
|
|
|
void RequestGroup::removeURIWhoseHostnameIs(const std::string& hostname)
|
|
{
|
|
std::deque<std::string> newURIs;
|
|
Request req;
|
|
for(std::deque<std::string>::const_iterator itr = _uris.begin(); itr != _uris.end(); ++itr) {
|
|
if(((*itr).find(hostname) == std::string::npos) ||
|
|
(req.setUrl(*itr) && (req.getHost() != hostname))) {
|
|
newURIs.push_back(*itr);
|
|
}
|
|
}
|
|
_logger->debug("GUID#%d - Removed %d duplicate hostname URIs",
|
|
_gid, _uris.size()-newURIs.size());
|
|
_uris = newURIs;
|
|
}
|
|
|
|
void RequestGroup::removeIdenticalURI(const std::string& uri)
|
|
{
|
|
_uris.erase(std::remove(_uris.begin(), _uris.end(), uri), _uris.end());
|
|
}
|
|
|
|
void RequestGroup::reportDownloadFinished()
|
|
{
|
|
_logger->notice(MSG_FILE_DOWNLOAD_COMPLETED,
|
|
getFilePath().c_str());
|
|
#ifdef ENABLE_BITTORRENT
|
|
SharedHandle<BtContext> ctx = dynamic_pointer_cast<BtContext>(_downloadContext);
|
|
if(!ctx.isNull()) {
|
|
TransferStat stat = calculateStat();
|
|
double shareRatio = ((stat.getAllTimeUploadLength()*10)/getCompletedLength())/10.0;
|
|
_logger->notice(MSG_SHARE_RATIO_REPORT,
|
|
shareRatio,
|
|
Util::abbrevSize(stat.getAllTimeUploadLength()).c_str(),
|
|
Util::abbrevSize(getCompletedLength()).c_str());
|
|
}
|
|
#endif // ENABLE_BITTORRENT
|
|
}
|
|
|
|
const std::deque<std::string>& RequestGroup::getAcceptFeatures() const
|
|
{
|
|
return _acceptFeatures;
|
|
}
|
|
|
|
void RequestGroup::addAcceptFeatureHeader(const std::string& feature)
|
|
{
|
|
if(std::find(_acceptFeatures.begin(), _acceptFeatures.end(), feature) == _acceptFeatures.end()) {
|
|
_acceptFeatures.push_back(feature);
|
|
}
|
|
}
|
|
|
|
void RequestGroup::removeAcceptFeatureHeader(const std::string& feature)
|
|
{
|
|
std::deque<std::string>::iterator i = std::find(_acceptFeatures.begin(), _acceptFeatures.end(), feature);
|
|
if(i != _acceptFeatures.end()) {
|
|
_acceptFeatures.erase(i);
|
|
}
|
|
}
|
|
|
|
const std::deque<std::string>& RequestGroup::getAcceptTypes() const
|
|
{
|
|
return _acceptTypes;
|
|
}
|
|
|
|
void RequestGroup::addAcceptType(const std::string& type)
|
|
{
|
|
if(std::find(_acceptTypes.begin(), _acceptTypes.end(), type) == _acceptTypes.end()) {
|
|
_acceptTypes.push_back(type);
|
|
}
|
|
}
|
|
|
|
void RequestGroup::removeAcceptType(const std::string& type)
|
|
{
|
|
_acceptTypes.erase(std::remove(_acceptTypes.begin(), _acceptTypes.end(), type),
|
|
_acceptTypes.end());
|
|
}
|
|
|
|
void RequestGroup::setURISelector(const SharedHandle<URISelector>& uriSelector)
|
|
{
|
|
_uriSelector = uriSelector;
|
|
}
|
|
|
|
void RequestGroup::applyLastModifiedTimeToLocalFiles()
|
|
{
|
|
if(!_pieceStorage.isNull() && _lastModifiedTime.good()) {
|
|
time_t t = _lastModifiedTime.getTime();
|
|
_logger->info("Applying Last-Modified time: %s in local time zone",
|
|
ctime(&t));
|
|
size_t n =
|
|
_pieceStorage->getDiskAdaptor()->utime(Time(), _lastModifiedTime);
|
|
_logger->info("Last-Modified attrs of %zu files were updated.", n);
|
|
}
|
|
}
|
|
|
|
void RequestGroup::updateLastModifiedTime(const Time& time)
|
|
{
|
|
if(time.good() && _lastModifiedTime < time) {
|
|
_lastModifiedTime = time;
|
|
}
|
|
}
|
|
|
|
void RequestGroup::increaseAndValidateFileNotFoundCount()
|
|
{
|
|
++_fileNotFoundCount;
|
|
const unsigned int maxCount = _option->getAsInt(PREF_MAX_FILE_NOT_FOUND);
|
|
if(maxCount > 0 && _fileNotFoundCount >= maxCount &&
|
|
_segmentMan->calculateSessionDownloadLength() == 0) {
|
|
throw DownloadFailureException
|
|
(StringFormat("Reached max-file-not-found count=%u", maxCount).str());
|
|
}
|
|
}
|
|
|
|
} // namespace aria2
|