aria2/ChangeLog

2006-12-24  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	Rewritten a portion of bittorrent implementation:
	
	* src/BtMessageValidator.h: New class.
	* src/BtBitfieldMessageValidator.h: New class.
	* src/BtHandshakeMessageValidator.h: New class.
	* src/BtRequestMessageValidator.h: New class.
	* src/BtSuggestPieceMessageValidator.h: New class.
	* src/BtAllowedFastMessageValidator.h: New class.
	* src/BtRejectMessageValidator.h: New class.
	* src/BtCancelMessageValidator.h: New class.
	* src/BtPieceMessageValidator.h: New class.
	* src/BtHaveMessageValidator.h: New class.
	* src/BtEventListener.h: New class.
	* src/AbstractBtEventListener.h: New class.
	* src/BtEvent.h: New class.
	* src/BtChokingEvent.h: New class.
	* src/BtChokedEvent.h: New class.
	* src/BtCancelSendingPieceEvent.h: New class.
	* src/BtAbortOutstandingRequestEvent.h: New class.
	* src/Randomizer.h: New class.
	* src/SimpleRandomizer.h: New class.
	* src/BtMessage.h: New class.
	* src/AbstractBtMessage.h: New class.
	* src/SimpleBtMessage.h: New class.
	* src/BtHaveMessage.h: New class.
	* src/BtInterestedMessage.h: New class.
	* src/BtAllowedFastMessage.h: New class.
	* src/BtUnchokeMessage.h: New class.
	* src/BtCancelMessage.h: New class.
	* src/BtNotInterestedMessage.h: New class.
	* src/BtChokeMessage.h: New class.
	* src/BtHaveNoneMessage.h: New class.
	* src/BtHandshakeMessage.h: New class.
	* src/BtSuggestPieceMessage.h: New class.
	* src/BtHaveMessage.h: New class.
	* src/BtPieceMessage.h: New class.
	* src/BtHaveAllMessage.h: New class.
	* src/BtKeepAliveMessage.h: New class.
	* src/BtPortMessage.h: New class.
	* src/BtRejectMessage.h: New class.
	* src/BtBitfieldMessage.h: New class.
	* src/BtRequestMessage.h: New class.
	* src/DefaultBtRequestFactory.h: New class.
	* src/DefaultBtMessageReceiver.h: New class.
	* src/BtInteractive.h: New class.
	* src/BtMessageDispatcher.h: New class.
	* src/DefaultBtMessageDispatcher.h: New class.
	* src/DefaultBtInteractive.h: New class.
	* src/BitfieldManFactory.h: New class.
	* src/HandleRegistry.h: New class.
	* src/BtMessageFactory.h: New class.
	* src/BtMessageReceiver.h: New class.
	* src/DefaultBtMessageFactory.h: New class.
	* src/PeerObject.h: New class.
	* src/BtRequestFactory.h: New class.
	* src/SuggestPieceMessage.h: Removed.
	* src/PortMessage.h: Removed.
	* src/SuggestPieceMessage.h: Removed.
	* src/KeepAliveMessage.h: Removed.
	* src/HandshakeMessage.h: Removed.
	* src/PeerInteraction.h: Removed.
	* src/UnchokeMessage.h: Removed.
	* src/PieceMessage.h: Removed.
	* src/RequestMessage.h: Removed.
	* src/InterestedMessage.h: Removed.
	* src/HaveMessage.h: Removed.
	* src/CancelMessage.h: Removed.
	* src/RejectMessage.h: Removed.
	* src/AllowedFastMessage.h: Removed.
	* src/HaveNoneMessage.h: Removed.
	* src/SimplePeerMessage.h: Removed.
	* src/HaveAllMessage.h: Removed.
	* src/BitfieldMessage.h: Removed.
	* src/PeerMessageFactory.h: Removed.
	* src/NotInterestedMessage.h: Removed.
	* src/ChokeMessage.h: Removed.
	* src/PeerMessage.h: Removed.

2006-12-01  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	To know root cause of exception:
	
	* src/Exception.h
	(cause): New variable.
	(Exception): Added a parameter.
	(getMsg): Return const reference to msg.
	(getCause): New function.
	* src/DlRetryEx.h
	(DlRetryEx): Added a parameter 'cause'.
	Added an overloaded constructor.
	(DlAbortEx): Added a parameter 'cause'.
	Added an overloaded constructor.
	* src/SimpleLogger.cc
	(writeLog): Log nested exception messages recursively.

2006-11-20  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* src/DefaultBtProgressInfoFile.cc
	(load): Fixed memory leak when the infohash doesn't match.

2006-11-11  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* src/DefaultPeerStorage.cc
	(calculateStat): Simplified the code by combining 2 loops into 1.

2006-11-09  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	Introduce new preference PREF_BT_TIMEOUT. This is the timeout value
	for BitTorrent download:

	* src/PeerAbstractCommand.cc
	(PeerAbstractCommand): PREF_TIMEOUT -> PREF_BT_TIMEOUT
	* src/main.cc: 
	(timeoutSpecified): Removed.
	(main): Set the initial value of PREF_BT_TIMEOUT to 180.
	Removed timeoutSpecified. TODO: Add --bt-timeout command line option.
	* src/TorrentRequestInfo.cc
	(timeoutSpecified): Removed.
	(torrentHandler): Removed timeoutSpecified and the adjustment of
	timeout value.
	* src/prefs.h
	(PREF_BT_TIMEOUT): New definition.
	
	Delete unused variables:
	
	* src/TorrentRequestInfo.cc
	(requestInfo): Removed.

	Move setSignalHander to Util::setGlobalSignalHandler:

	* src/TorrentRequestInfo.cc:
	setSignalHander -> Util::setGlobalSignalHandler
	* src/main.cc
	(setSignalHander): Removed.
	(main): setSignalHander -> Util::setGlobalSignalHandler
	* src/Util.h
	(setGlobalSignalHandler): New function.
	* src/Util.cc
	(setGlobalSignalHandler): New function.
	* src/UrlRequestInfo.cc:
	setSignalHander -> Util::setGlobalSignalHandler

	Reset peer status in order to exit gracefully:

	* src/PeerAbstractCommand.cc
	(execute): Call peer->resetStatus() when btRuntime->isHalt() is true.

	To fix the bug that causes the number of bytes uploaded is not saved
	to .aria2 file:

	* src/DefaultPeerStorage.h
	(removedPeerSessionDownloadLength): New variable.
	(removedPeerSessionUploadLength): New variable.
	* src/DefaultPeerStorage.cc
	(DefaultPieceStorage): Added removedPeerSessionDownloadLength(0),
	removedPeerSessionUploadLength(0).
	(calculateStat): Calculate the number of bytes downloaded(uploaded)
	through all peers, and then add removedPeerSessionDownloadLength(
	removedPeerSessionUploadLength) to it.
	(deleteUnusedPeer): Add the number of bytes downloaded(uploaded) from
	 (to) the peer to removedPeerSessionDownloadLength
	 (removedPeerSessionUploadLength).
	
2006-11-09  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	To add Metalink location option:
	
	* src/MetalinkRequestInfo.cc
	(execute): Call MetalinkEntry::setLocationPreference()
	* src/main.cc
	(showUsage): Added the help message for --metalink-location option.
	(main): Added --metalink-location option.
	* src/prefs.h
	(PREF_METALINK_LOCATION): New definition.
	* src/MetalinkEntry.cc
	(AddLocationPreference): New function object.
	(setLocationPreference): New function.
	* src/Xml2MetalinkProcessor.cc
	(getResource): Set location attribute to MetalinkResource

	To show URLs to download

	* src/UrlRequestInfo.h
	(printUrls): New function.

	To add multiple <file> Metalink support:

	* src/MetalinkEntry.h
	(MetalinkResources): Removed.
	(setLocationPreference): New function.
	(MetalinkEntryHandle): New type definition.
	(MetalinkEntries): New type definition.
	* src/Xml2MetalinkProcessor.h
	(getEntry): MetalinkEntry* -> MetalinkEntryHandle
	(getResource): MetalinkResource* -> MetalinkResourceHandle
	(parseFile): Metalinker* -> MetalinkerHandle
	* src/UrlRequestInfo.h
	(execute): RequestInfo* -> RequestInfos
	* src/MetalinkRequestInfo.cc
	(AccumulateNonP2PUrl): MetalinkResource* -> MetalinkResourceHandle
	(FindBitTorrentUrl): MetalinkResource* -> MetalinkResourceHandle
	(execute): RequestInfo* -> RequestInfos
	Added multiple <file> support. Print filename when it is queued.
	* src/MetalinkRequestInfo.h
	(execute): RequestInfo* -> RequestInfos
	(getDownloadEngine): Removed.
	* src/RequestInfo.h
	(RequestInfoHandle): New type definition.
	(RequestInfos): New type definition.
	(execute): RequestInfo* -> RequestInfos
	(getDownloadEngine): Removed.
	* src/MetalinkResource.h
	(MetalinkResourceHandle): New type definition.
	(MetalinkResources): New type definition.
	* src/MetalinkEntry.cc
	(~MetalinkEntry): Removed the deletion of the elements of resources,
	because the element is now of type MetalinkResourceHandle.
	(PrefOrder): MetalinkResource* -> MetalinkResourceHandle
	(Supported): MetalinkResource* -> MetalinkResourceHandle
	(dropUnsupportedResource): Removed the deletion of the elements of
	resources because the element is now of type MetalinkResourceHandle.
	* src/Xml2MetalinkProcessor.cc
	(parseFile): Metalinker* -> MetalinkerHandle
	MetalinkEntry* -> MetalinkEntryHandle
	Removed try-catch block.
	(getEntry): MetalinkEntry* -> MetalinkEntryHandle
	MetalinkResource* -> MetalinkResourceHandle
	Removed try-catch block.
	(getResource): MetalinkResource* -> MetalinkResourceHandle
	Free result by using xmlXPathFreeObject()
	* src/Metalinker.cc
	(~Metalinker): Removed the deletion of entries.
	MetalinkEntry* -> MetalinkEntryHandle
	(queryEntry): Add multiple <file> Metalink support.
	* src/Metalinker.h
	(MetalinkEntries): Removed.
	(queryEntry): MetalinkEntry* -> MetalinkEntries
	* src/MetalinkProcessor.h
	(parseFile): Metalinker* -> MetalinkerHandle
	
	Bug fixes:

	* src/PeerChokeCommand.cc
	(execute): cat01->cat02
	* src/DefaultPieceStorage.cc
	(DefaultPieceStorage): Added diskAdaptor(0)
	* src/TrackerWatcherComand.cc:
	(execute): Use btAnnounce->noMoreAnnounce()
	to determin whether the function returns true or not.
	* src/TrackerUpdateCommand.cc:
	(execute): Use btAnnounce->noMoreAnnounce()
	to determin whether the function returns true or not.
	* src/FtpConnection.cc
	(bulkReceiveResponse): Throw DlRetryEx if EOF got.
	This is the fix of the busy loop bug.
	* src/DownloadCommand.cc
	(DownloadCommand): Reuse PeerStat. segmentMan->getPeerStat() returns
	cached PeerStat.
	
	The value of "name" entry in torrent file is now set by
	*DiskAdaptor::setTopDir(...) methods.
	
	* src/MultiDiskAdaptor.h
	(topDir): New variable.
	(setTopDir): New function.
	(getTopDir): New function.
	* src/MultiDiskAdaptor.cc
	(getFilePath): Concat storDir, "/" and topDir.
	(mkdir): Use getFilePath() to get the directory path for output.
	* src/DefaultPieceStorage.cc
	(initStorage): Set the value of "name" entry to MultiDiskAdaptor,
	CopyDiskAdaptor.
	* src/CopyDiskAdaptor.h
	(topDir): New variable.
	(setTopDir): New function.
	(getTopDir): New function.
	* src/CopyDiskAdaptor.cc
	(fixFilename): Updated.
	
	Misc

	* src/UrlRequestInfo.h
	(e): Removed.
	(UrlRequestInfo): Removed e.
	(getDownloadEngine): Removed.
	* src/UrlRequestInfo.cc
	(handler): Rewritten.
	(printUrls): New function.
	(execute): Call printUrls().
	
	* src/HandshakeMessage.cc
	(check): peerinteraction->getBtContext() -> btContext

	* src/PeerInteraction.h
	(getBtContext): Removed.

	* src/TorrentRequestInfo.h
	(execute): RequestInfo* -> RequestInfos
	(getDownloadEngine): Removed.
	* src/TorrentRequestInfo.cc
	(haltRequested): Removed.
	(btHaltRequested): New variable.
	(torrentHandler): haltRequested -> btHaltRequested
	(execute): RequestInfo* -> RequestInfos
	* src/TorrentConsoleDownloadEngine.cc
	(afterEachIteration): haltRequested -> btHaltRequested.
	
	* src/ConsoleDownloadEngine.h
	(initStatistics): Added virtual.
	(calculateStatistics): Added virtual.
	(onEndOfRun): Added virtual.
	(afterEachIteration): Added virtual.
	* src/ConsoleDownloadEngine.cc
	(haltRequested): New variable.
	(afterEachIteration): New function.

	* src/main.cc
	(requestInfo): Removed.

	* src/SegmentMan.cc
	(findSlowerSegmentEntry): Refactored.

	* Release 0.9.0
	
2006-11-05  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	To divide TorrentMan into 6 classes: BtContext, BtRuntime,
	PeerStorage, PieceStorage, BtAnnounce and BtProgressInfoFile

	* src/TorrentMan.h: Removed.
	* src/TorrentMan.cc: Removed.
	* src/TrackerWatcherComand.h: Made subclass of BtContextAwareCommand.
	* src/SeedCheckCommand.cc: Use pieceStorage, btRuntime
	* src/PeerAbstractCommand.h: Made subclass of BtContextAwareCommand.
	* src/PeerAbstractCommand.cc: Use btRuntime.
	* src/BtContextAwareCommand.h: New class.
	* src/FileEntry.h: Added accessor methods for following variables.
	(path): Made private.
	(length): Made private.
	(offset): Made private.
	(extracted): Made private.
	(requested): Made private.
	(FileEntries): New definition.
	(FileEntryHandle): New definition.
	* src/FileEntry.cc: New file.
	* src/HaveEraseCommand.h: Made subclass of BtContextAwareCommand.
	* src/HaveEraseCommand.cc: Use btRuntime, pieceStorage.
	* src/PeerChokeCommand.h: Made subclass of BtContextAwareCommand.
	* src/PeerChokeCommand.cc: Use btRuntime, peerStorage, pieceStorage.
	* src/PieceStorage.h: New file.
	* src/PeerInteractionCommand.h: Use btContext.
	* src/PeerInteractionCommand.cc: Use pieceStorage, peerStorage,
	btRuntime.
	* src/DefaultBtProgressInfoFile.h: New file.
	* src/DefaultBtProgressInfoFile.cc: New file.
	* src/File.cc
	(Util.h): New include.
	(mkdirs): New function.
	* src/MultiDiskAdaptor.h
	(mkdir): New function.
	* src/PeerListProcessor.h
	(Peers): Removed.
	* src/PeerInteraction.h
	(torrentMan): Removed.
	(btContext): New variable.
	(peerStorage): New variable.
	(pieceStorage): New variable.
	(btAnnounce): New variable.
	(getTorrentMan): Removed.
	(getBtContext): New function.
	* src/PeerInteraction.cc: Use btContext, peerStorage, pieceStorage,
	btAnnounce.
	* src/HandshakeMessage.h
	(TorrentMan.h): Removed.
	* src/HandshakeMessage.cc: Use btContext.
	* src/DefaultBtAnnounce.cc: New file.
	* src/MultiDiskWriter.cc: Use the accessor methods of FileEntry.
	* src/DefaultPieceStorage.cc: New file.
	* src/DefaultBtContext.h: New file.
	* src/TorrentRequestInfo.cc: Use btContext, pieceStorage.
	Use the accessor methods of FileEntry.
	* src/CookieBox.cc: Updated to use Util::slice().
	* src/PieceMessage.cc: Use btContext, pieceStorage.
	* src/common.h (SharedHandle.h): New include.
	* src/PeerMessage.cc (PeerMessage): Added btContext, peerStorage,
	pieceStorage.
	* src/TorrentAutoSaveCommand.h: Made subclass of BtContextAwareCommand.
	* src/DiskAdaptor.h
	(topDir): Removed.
	(getFileEntryFromPath): Changed the return type to FileEntryHandle.
	(setTopDir): Removed.
	(getTopDir): Removed.
	* src/BtContext.h: New file.
	* src/DefaultPeerStorage.h: New file.
	* src/PieceMessage.h (TorrentMan.h): Removed.
	* src/RequestMessage.h (TorrentMan.h): Removed.
	* src/TorrentDownloadEngine.h
	(uploadLength): New variable.
	(btContext): New variable.
	(btRuntime): New variable.
	(pieceStorage): New variable.
	(peerStorage): New variable.
	(btAnnounce): New variable.
	(btProgressInfoFile): New variable.
	(torrentMan): Removed.
	(setBtContext): New function.
	* src/TorrentDownloadEngine.cc: Use BtContext, BtRuntime, pieceStorage,
	peerStorage, btAnnounce, btProgressInfoFile.
	* src/Piece.h
	(toString): New function.
	(Pieces): New type definition.
	* src/Peer.h
	(active): New variable.
	(Peer): Added active.
	(activate): Set active to true.
	(deactivate): Set active to false.
	(isActive): New function.
	(Peers): New type definition.
	* src/DirectDiskAdaptor.cc
	(getFilePath): Use the accessor methods of FileEntry.
	* src/TorrentConsoleDownloadEngine.h
	(afterEachIteration): New function.
	* src/TorrentConsoleDownloadEngine.cc
	(haltRequested): New variable.
	(sendStatistics): Use pieceStorage, btRuntime.
	(afterEachIteration): New function.
	* src/AnnounceList: AnnounceTier->AnnounceTierHandle.
	* src/Directry.h
	(Directory): New function.
	(DirectoryHandle): New type definition.
	* src/BtProgressInfoFile.h: New file.
	* src/RequestMessage.cc: Use pieceStorage.
	* src/BtRuntime.h: New file.
	* src/DefaultBtContext.cc: New file.
	* src/BitfieldMan.h
	(getCompletedLength): New function(private).
	(getCompletedLength): New function.
	(getFilteredCompletedLength): New function.
	* src/BitfieldMan.h
	(getCompletedLength): New function(private).
	(getCompletedLength): New function.
	(getFilteredCompletedLength): New function.
	* src/MultiDiskAdaptor.cc
	(mkdir): New function.
	(openFile): Call mkdir().
	(initAndOpenFile): Call mkdir().
	* src/CancelMessage.h
	(TorrentMan.h): Removed.
	* src/RejectMessage.h
	(TorrentMan.h): Removed.
	* src/DownloadEngineFactory.cc
	(DefaultPieceStorage.h): New include.
	(DefaultPeerStorage.h): New include.
	(DefaultBtAnnounce.h): New include.
	(DefaultBtProgressInfoFile.h): New include.
	(newTorrentConsoleEngine): Rewritten.
	* src/ShareRatioSeedCriteria.h
	(torrentMan): Removed.
	(btContext): New variable.
	(peerStorage): New variable.
	(btRuntime): New variable.
	(evaluate): Use btContext, btRuntime, peerStorage.
	* src/AnnounceTier.h: New file.
	* src/BtAnnounce.h: New file.
	* src/BtRegistry.h: New file.
	* src/PeerInitiateConnectionCommand.h: Added btContext.
	* src/PeerConnection.h (TorrentMan.h): Removed.
	* src/PeerMessageFactory.cc: Use btContext, pieceStorage.
	* src/Util.h
	(slice): Added an argument.
	* src/Util.cc
	(slice): Added an argument to control whether trim is made or not.
	* src/PeerStorage.h: New file.
	* src/BtRegistry.cc: New file.
	* src/TrackerUpdateCommand.h: Made subclass of BtContextAwareCommand.
	* src/CopyDiskAdaptor.cc: Use the accessor methods of FileEntry.
	* src/MultiDiskWriter.h: FileEntry -> FileEntryHandle
	* src/PeerListenCommand.cc: Use btRuntime, peerStorage, btContext.
	* src/TorrentRequestInfo.h
	(e): Removed.
	(showFileEntry): Added an argument.
	(getDownloadEngine): Return 0.
	* src/DefaultBtAnnounce.h: New file.
	* src/TorrentAutoSaveCommand.cc: Use btRuntime, btProgressInfoFile.
	* src/TrackerWatcherComand.cc: Use btRuntime, btAnnounce,
	* src/PeerMessageFactory.h
	(btContext): New variable.
	(pieceStorage): New variable.
	* src/TrackerUpdateCommand.cc: Use btRuntime, peerStorage, btContext,
	btAnnounce.
	* src/DiskAdaptor.cc
	(DiskAdaptor): Removed topDir.
	(~DiskAdaptor): Removed topDir.
	* src/PeerListenCommand.h: Made subclass of BtContextAwareCommand.
	* src/SeedCheckCommand.h: Made subclass of BtContextAwareCommand.
	* src/File.h (mkdirs): New function.
	* src/DefaultPeerStorage): New file.
	* src/DownloadEngineFactory.h
	(newTorrentConsoleEngine): Use btContext.
	* src/BtContextAwareCommand.cc: New file.
	* src/PeerInitiateConnectionCommand.cc: Use btRuntime, peerStorage.
	* src/PeerMessage.h
	(btContext): New variable.
	(peerStorage): New variable.
	(pieceStorage): New variable.
	(setBtContext): New function.
	* src/Directry.cc
	(Directory): New function.
	(createDir): Do nothing if name.size() == 0.
	* src/AnnounceList.h
	(AnnounceTier): Removed. 
	(AnnounceTiers): Removed.
	* src/DefaultPieceStorage.h: New file.
	* src/Piece.cc (toString): New function.
	
	To fix typo:
	
	* src/main.cc (showVersion): Fixed typo.

	To fix compile warning:
	
	* src/DelegatingPeerListProcessor.cc
	(canHandle): Added "return false".
	
2006-10-20  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	To simplify TrackerWatherCommand, TrackerUpdateCommand and
	make the process of announce request testable.
	
	* src/TrackerWatcherCommand.h
	(TimeA2.h): Removed.
	(interval): Removed.
	(checkPoint): Removed.
	(createRequestCommand): Added an argument 'url'.
	(TrackerWatherCommand): Removed interval.
	(createCommand): New function.
	* src/DownloadEngineFactory.cc
	(newTorrentConsoleEngine): Updated according to the changes in
	TrackerWatherCommand.
	* src/TorrentMan.cc
	(DelegatingPeerListProcessor.h): New includes.
	(TorrentMan): Added the initialization of announceInterval.
	(isStoppedAnnounceReady): New function.
	(isCompletedAnnounceReady): New function.
	(isDefaultAnnounceReady): New function.
	(isAnnounceReady): New function.
	(getAnnounceUrl): New function.
	(announceStart): New function.
	(announceFailure): New function.
	(announceSuccess): New function.
	(isAllAnnounceFailed): New function.
	(resetAnnounce): New function.
	(processAnnounceResponse): New function.
	(needMorePeerConnection): New function.
	(noMoreAnnounce): New function.
	* src/TrackerUpdateCommand.h
	(getTrackerResponse): int->size_t
	* src/TorrentMan.h
	(isStoppedAnnounceReady): New function.
	(isCompletedAnnounceReady): New function.
	(isDefaultAnnounceReady): New function.
	(announceInterval): New variable.
	(isAnnounceReady): New function.
	(getAnnounceUrl): New function.
	(announceStart): New function.
	(announceFailure): New function.
	(announceSuccess): New function.
	(isAllAnnounceFailed): New function.
	(resetAnnounce): New function.
	(processAnnounceResponse): New function.
	(needMorePeerConnection): New function.
	(noMoreAnnounce): New function.
	* src/TrackerWatcherCommand.cc
	(TrackerWatherCommand): Removed interval and checkPoint.
	(execute): Rewritten.
	(createCommand): New function.
	(createRequestCommand): Rewritten.
	* src/TrackerUpdateCommand.cc
	(MetaFileUtil.h): Removed.
	(DelegatingPeerListProcessor.h): Removed.
	(getTrackerResponse): int->size_t. Use torrentMan's new functions.
	
2006-10-18  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	Request -> RequestHandle:
	
	* src/HttpResponseCommand.h: Request->RequestHandle
	* src/AbstractCommand.cc: Request->RequestHandle
	* src/HttpDownloadCommand.cc: Request->RequestHandle
	* src/HttpRequestCommand.cc: Request->RequestHandle
	* src/FtpInitiateConnectionCommand.h: Request->RequestHandle
	* src/AbstractCommand.h: Request->RequestHandle
	* src/HttpProxyRequestCommand.h: Request->RequestHandle
	* src/HttpResponseCommand.cc: Request->RequestHandle
	* src/HttpInitiateConnectionCommand.h: Request->RequestHandle
	* src/FtpNegotiateCommand.cc: Request->RequestHandle
	* src/FtpTunnelResponseCommand.h: Request->RequestHandle
	* src/HttpConnection.h: Request->RequestHandle
	* src/HttpProxyResponseCommand.cc: Request->RequestHandle
	* src/InitiateConnectionCommandFactory.h: Request->RequestHandle
	* src/FtpTunnelResponseCommand.cc: Request->RequestHandle
	* src/DownloadCommand.h: Request->RequestHandle
	* src/FtpDowndloadCommand.cc: Request->RequestHandle
	* src/HttpInitiateConnectionCommand.cc: Request->RequestHandle
	* src/HttpRequestCommand.h: Request->RequestHandle
	* src/FtpNegotiateCommand.h: Request->RequestHandle
	* src/FtpTunnelResponseCommand.cc: Request->RequestHandle
	* src/FtpInitiateConnectionCommand.cc: Request->RequestHandle
	* src/HttpDownloadCommand.h: Request->RequestHandle
	* src/FtpConnection.cc: Request->RequestHandle
	* src/InitiateConnectionCommandFactory.cc: Request->RequestHandle
	* src/UrlRequestInfo.cc: Request->RequestHandle
	* src/HttpProxyResponseCommand.h: Request->RequestHandle
	* src/HttpConnection.h: Request->RequestHandle
	* src/DownloadCommand.cc: Request->RequestHandle
	* src/FtpConnection.h: Request->RequestHandle
	* src/FtpDowndloadCommand.h: Request->RequestHandle
	* src/HttpProxyRequestCommand.cc: Request->RequestHandle
	* src/FtpTunnelRequestCommand.h: Request->RequestHandle
	* src/Request.h
	(SharedHandle.h): New include.
	(RequestHandle): New type definition.
	(Requests): Redefined.
	
	To add MULTITRACKER support:

	* src/TrackerWatcherCommand.h
	(createRequestCommand): New function.
	* src/DownloadEngineFactory.cc
	(newTorrentConsoleEngine): Removed req.
	* src/prefs.h
	(PREF_TRACKER_MAX_TRIES): New definition.
	* src/TorrentMan.cc
	(TorrentMan): Removed req. Added trackerNumTry.
	(~TorrentMan): Removed req.
	(setupInternal1): Added announceList.
	* src/TorrentRequestInfo.cc
	(execute): Set PREF_MAX_TIRES to 1. The max number of tries for
	announces is now specified by PREF_TRACKER_MAX_TRIES.
	* src/main.cc
	(main): Added PREF_TRACKER_MAX_TRIES.
	* src/TorrentMan.h
	(Request.h): Removed.
	(AnnounceList.h): New include.
	(trackerNumTry): New variable.
	(req): Removed.
	(announceList): New variable.
	* src/TrackerWatcherCommand.cc
	(execute): Rewritten.
	(createRequestCommand): New function.
	* src/TrackerUpdateCommand.cc
	(execute): Updated with the use of AnnounceList.
	* src/AnnounceList.cc: New class.
	* src/AnnounceList.h: New class.
	
	To fix typo:

	* src/prefs.h
	(PREF_MAX_TRIES): max_try->max_tries

	To not to decode "+" as space in URL decode:

	* src/Util.cc
	(urldecode): Removed "+"->space decoding rule. Test case was updated.
	
2006-10-01  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	To add timeout to async name resolution:

	* src/AbstractCommand.h
	(nameResolveFinished): New function. This is not elegant way. It needs
	to be more refined.
	(nameResolverCheck): New variable.
	* src/AbstractCommand.cc
	(AbstractCommand): Added nameResolverCheck.
	(execute): Added the check whether the name resolution has finished.
	(setNameResolverCheck): Set nameResolverCheck to true.
	(disableNameResolverCheck): Set nameResolverCheck to false.
	(nameResolverFinished): New function.
	* src/FtpInitiateConnectionCommand.h
	(nameResolverFinished): New function.
	* src/FtpInitiateConnectionCommand.cc
	(FtpInitiateConnectionCommand): Set timeout to PREF_DNS_TIMEOUT.
	* src/HttpInitiateConnectionCommand.h
	(nameResolverFinished): New function.
	* src/HttpInitiateConnectionCommand.cc
	(HttpInitiateConnectionCommand): Set timeout to PREF_DNS_TIMEOUT.
	* src/prefs.h
	(PREF_DNS_TIMEOUT): New definition.
	* src/main.cc
	(main): Added PREF_DNS_TIMEOUT.

	To add the support for a non-compact response from a tracker:

	* src/PeerListProcessor.h: New class.
	* src/DefaultPeerListProcessor.h: New class.
	* src/DefaultPeerListProcessor.cc: New class.
	* src/CompactPeerListProcessor.h: New class.
	* src/CompactPeerListProcessor.cc: New class.
	* src/DelegatingPeerListProcessor.h: New class.
	* src/DelegatingPeerListProcessor.cc: New class.	
	* src/TorrentMan.cc
	(addPeer): New function(overload).
	(addPeer): Delete unused peers only when new peer is added.
	* src/TorrentMan.h
	(PeerListProcessor.h): Included.
	(Peers): Removed.
	(addPeer): New function(overload).
	* src/TrackerUpdateCommand.cc
	(netinet/in.h): Removed.
	(DelegatingPeerListProcessor.h): Included.
	(execute): Updated to use DelegatingPeerListProcessor.
	
	To fix the memory leak in TorrentMan::peers:

	* src/PeerAbstractCommand.cc
	(onAbort): Added peer->resetStatus().
	* src/Peer.h
	(resetStatus): Made public.
	
	To improve the precision of the speed calculation:

	* src/SpeedCalc.h
	(nextInterval): New variable.
	* src/SpeedCalc.cc
	(reset): Added nextInterval.
	(isIntervalOver): Use nextInterval instead of CHANGE_INTERVAL_SEC.
	(changeSw): Set nextInterval to 15 seconds relative to the current
	instant time.

	* src/main.cc
	(showVersion): Updated.
	(showUsage): Updated.

	* Release 0.8.1
	
2006-09-23  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* src/main.cc
	(showUsage): Commented out --min-segment-size option.
	(main): Commented out --min-segment-size option.

	* Release 0.8.0
	
2006-09-22  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* src/*.{h,cc}:
	Added an exception to the license which allows linking with OpenSSL.

2006-09-21  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* src/AbstractCommand.cc
	(execute): Check whether the download has finished before checking
	socket status.
	Return true if peerStat->getStatus() == REQUEST_IDLE.
	Do not exit even if no segment is available.

	* src/prefs.h
	(PREF_STARTUP_IDLE_TIME): New definition.

	* src/PeerInteractionCommand.cc
	(executeInternal): Removed max speed limit. Because it performs bad.
	(receiveMessages): Added max speed limit. This was better than above,
	but still a little bit to be desired. Sometimes the download speed
	became much faster than I specified.

	* src/SpeedCalc.h
	(start): New variable.
	(accumulatedLength): New variable.
	(getAvgSpeed): New function.
	* src/SpeedCalc.cc
	(reset): Added start, accumulatedLength.
	(update): Added calculation of an average speed.
	(getAvgSpeed): New function.

	* src/DownloadCommand.h
	(sw): Removed.

	* src/main.cc
	(main): Added PREF_STARTUP_IDLE_TIME.

	* src/PeerStat.h
	(STATUS): Added REQUEST_IDLE.
	(getMaxSpeed): Renamed as getMaxDownloadSpeed().
	(getAvgDownloadSpeed): New function
	(requestIdle): New function.

	* src/SegmentMan.h
	(SegmentEntryHandle): New type definition.
	(SegmentEntries): Now holds SegmentEntryHandle.
	(findSlowerSegmentEntry): New funtion.
	* src/SegmentMan.cc
	(save): Updated according to the changes in SegmentEntries.
	(read): Updated according to the changes in SegmentEntries.
	(FindSegmentEntryByIndex): Updated according to the changes in
	SegmentEntries.
	(FindSegmentEntryByCuid): Updated according to the changes in
	SegmentEntries.
	(checkoutSegment): Updated according to the changes in SegmentEntries.
	(onNullBitfield): Updated according to the changes in SegmentEntries.
	Renamed uitr as itr.
	(findSlowerSegmentEntry): New function.
	(getSegment): Updated according to the changes in SegmentEntries.
	Added the feature that cancels the segment with slow server and fast
	one takes it over.
	(cancelSegment): Updated according to the changes in SegmentEntries.
	(getDownloadLength): Updated according to the changes in
	SegmentEntries.
	(init): Assigned 0 to bitfield after deleting it.
	
	* src/DownloadCommand.cc
	(STARTUP_IDLE_TIME): Removed.
	(executeInternal): Use PREF_STARTUP_IDLE_TIME.

	* src/PeerChokeCommand.cc
	(optUnchokingPeer): Updated according to the changes in Peer.
	(ResetDelta): Removed.
	(UploadFaster): Updated according to the changes in Peer.
	(DownloadFaster): Updated according to the changes in Peer.
	(execute): I clarify the meaning of "upload" and "download" here.
	"upload" means the transfer from localhost to remote host.
	"download" means the transfer from remote host to localhost.
	Based on this rule, I swapped orderByUploadRate and
	orderByDownloadRate.

	* src/PeerInteractionCommand.cc
	(PeerInteraction): Removed peerInteraction->setUploadLImit().
	(executeInternal): Removed the argument of
	peerInteraction->sendMessages().
	(receiveMessages): Rewritten download speed limit.
	(sendKeepAlive): Removed peerInteraction->sendMessages().

	* src/HttpResponseCommand.cc
	(handleDefaultEncoding): If file size is unknown in torrent request,
	do not call segmentMan->initBitfield() here.
	Disabled persistent connection feature in torrent request.

	* src/UrlRequestInfo.h
	(UrlRequestInfo): Removed const qualifier from option.

	* src/TorrentMan.h
	(TransferStat): New class.
	(deltaDownloadLength): Removed.
	(deltaUploadLength): Removed.
	(addDeltaDownloadLength): Removed.
	(getDeltaDownloadLength): Removed.
	(resetDeltaDownloadLength): Removed.
	(addDeltaUploadLength): Removed.
	(getDeltaUploadLength): Removed.
	(resetDeltaUploadLength): Removed.
	(addActivePeer): Added peer->activate().
	(deleteActivePeer): Added peer->deactivate().
	(calculateStat): New function.
	* src/TorrentMan.cc
	(TorrentMan): Removed deltaDownloadLength and deltaUploadLength.
	(calculateStat): New function.

	* src/PeerInteraction.h
	(uploadLimit): Removed.
	(option): New variable.
	(setUploadLimit): Removed.
	(getUploadSpeed): Removed.
	(sendMessages): Removed the argument "currentUploadSpeed".
	* src/PeerInteraction.cc
	(prefs.h): Included.
	(PeerInteraction): Removed uploadLimit. Added option.
	(sendMessages): Rewritten upload speed limit.
	(sendHandshake): Removed the argument from sendMessages().
	(sendBitfield): Removed the argument from sendMessages().

	* src/PeerAbstractCommand.cc
	(execute): Commented out the portion of upload limit.
	(onAbort): Removed peer->resetStatus().

	* src/TorrentRequestInfo.cc
	(timeoutSpecified): Declared extern.
	(execute): Set timeout to 180 if timeout is not specified by.
	command-line.

	* src/PieceMessage.cc
	(receivedAction): Added peer->updateDownloadLength().
	Removed peer->addPeerUpload().
	Removed torrentMan->addDeltaDownloadLength().
	(send): Added peer->updateUploadLength().
	Removed peer->addPeerDownload().
	Removed torrentMan->addDeltaUploadLength().

	* src/main.cc
	(timeoutSpecified): New variable.
	(main): Set timeoutSpecified to false.
	If the command-line option "--upload-limit" is specified, then
	timeoutSpecified is set to true. This option will remain in the next
	release, but be deprecated in the future release.

	* src/TorrentRequestInfo.h
	(TorrentRequestInfo): Removed const qualifier from op.

	* src/PeerStat.h
	(uploadSpeed): New variable.
	(PeerStat): Added default value to cuid.
	(calculateUploadSpeed): New function.
	(updateUploadLength): New function.
	(getMaxUploadSpeed): New function.
	(getAvgUploadSpeed): New function.
	(reset): Added uploadSpeed. Set status to IDLE.

	* src/TorrentDownloadEngine.h
	(cp): Declared as Time.
	(sessionDownloadLengthArray): Removed.
	(sessionUploadLengthArray): Removed.
	(currentCp): Removed.
	(lastCalcStat): New variable
	(lastElapsed): Removed.
	(sessionDownloadLength): Removed.
	(calculateStat): New function.
	* src/TorrentDownloadEngine.cc
	(initStatistics): Removed lastElapsed, cp[],
	sessionDownloadLengthArray[], sessionUploadLengthArray[],
	currentCp, sessionDownloadLength.
	Added cp.reset() and lastCalcStat.reset().
	(calculateSpeed): Changed the name of the argument.
	(calculateStatistics): Rewritten.
	(calculateStat): New function.

	* src/Peer.h
	(PeerStat.h): Included.
	(peerUpload): Removed.
	(peerDownload): Removed.
	(peerStat): New variable.
	(sessionUploadLength): New variable.
	(sessionDownloadLength): New variable.
	(deltaUpload): Removed.
	(deltaDownload): Removed.
	(resetStatus): Made private.
	(Peer): Added sessionUploadLength, sessionDownloadLength.
	Removed peerUpload, peerDownload.
	(updateUploadLength): New function.
	(addDeltaUpload): Removed.
	(updateDownloadLength): New function.
	(resetDeltaUpload): Removed.
	(getDeltaUpload): Removed.
	(addDeltaDownload): Removed.
	(calculateUploadSpeed): New function.
	(resetDeltaDownload): Removed.
	(getDeltaDownload): Removed.
	(calculateDownloadSpeed): New function.
	(getSessionUploadLength): New function.
	(getSessionDownloadLength): New function.
	(activate): New function.
	(deactivate): New function.
	(addPeerUpload): Removed.
	(setPeerUpload): Removed.
	(getPeerUpload): Removed.
	(addPeerDownload): Removed.
	(setPeerDownload): Removed.
	(getPeerDownload): Removed.
	
	* src/Peer.cc
	(resetStatus): Removed resetDeltaUpload() and resetDeltaDownload().
	
	* src/MetalinkRequestInfo.h
	(MetalinkRequestInfo): Removed const qualifier from op.

	* src/RequestInfo.h
	(op): Removed const qualifier.
	(RequestInfo): Removed const qualifier from op.

	* src/prefs.h
	(PREF_MAX_SPEED_LIMIT): Renamed as PREF_MAX_DOWNLOAD_LIMIT.
	(PREF_UPLOAD_LIMIT): Renamed as PREF_MAX_UPLOAD_LIMIT.

	* src/PeerInteractionCommand.cc
	(PeerInteractionCommand): Use PREF_MAX_UPLOAD_LIMIT.
	(receiveMessages): Use PREF_MAX_DOWNLOAD_LIMIT.

	* src/PeerInteraction.cc
	(sendMessages): Use PREF_MAX_UPLOAD_LIMIT.

	* src/main.cc
	(showUsage): Updated the description of "--lowest-speed-limit" option.
	Added the description of "--max-download-limit" option.
	Removed the description of "--upload-limit" option.
	Added the description of "--max-upload-limit" option.
	(main): Use PREF_MAX_UPLOAD_LIMIT, PREF_MAX_DOWNLOAD_LIMIT.
	Added "--max-download-limit" option and "--max-upload-limit" option.
	Added the warning message if "--upload-limit" option is used.

	* src/DownloadCommand.cc
	(executeInternal): Use PREF_MAX_DOWNLOAD_LIMIT.
	
2006-09-19  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	To rewrite segment download mechanism for HTTP/FTP download.
	Use BitfieldMan to manage segment download.
	* src/HttpResponseCommand.h
	(executeInternal): Pass the reference of segment.
	* src/AbstractCommand.cc
	(prepareForRetry): Call segmentMan->cancelSegment here.
	(onAbort): Call segmentMan->cancelSegment here.
	* src/HttpDownloadCommand.cc
	(prepareForNextSegment): New function.
	* src/DownloadEngineFactory.cc
	(newConsoleEngine): Removed splitter.
	(newTorrentConsoleEngine): Removed splitter.
	* src/Request.h
	(segment): Renamed from seg.
	* src/FtpInitiateConnectionCommand.h
	(executeInternal): Pass the reference of segment.
	* src/AbstractCommand.h
	(executeInternal): Pass the reference of segment.
	* src/pref.h
	(PREF_SEGMENT_SIZE): New definition.
	* src/HttpProxyRequestCommand.h
	(executeInternal): Pass the reference of segment.
	* src/HttpResponseCommand.cc
	(checkResponse): Allowed status 206 when a request range starts 0.
	(handleDefaultEncoding): Rewritten the code related to Segment.
	(handleOtherEncoding): Rewritten the code related to Segment.
	* src/SegmentMan.h
	(SegmentEntry): New class.
	(SegmentEntries): New type definition.
	(bitfield): New variable.
	(usedSegmentEntries): New variable.
	(onNullBitfield): New function.
	(checkoutSegment): New function.
	(segments): Removed.
	(splitter): Removed.
	(unregisterId): Removed.
	(getSegment): New function(overload)
	(getDownloadedSize): Removed.
	(cancelSegment): New function.
	(completeSegment): New function.
	(initBitfield): New function.
	(hasSegment): New function.
	(getDownloadLength): New function.
	* src/BitfieldMan.h
	(getStartIndex): New function.
	(getEndIndex): New function.
	(getMissingUnusedIndex): New function(overload).
	(getSparseMissingUnusedIndex): New function.	
	* src/BitfieldMan.cc
	(getMissingIndexRandomly): Handle the last byte of bitfield properly.
	(getMissingUnusedIndex): New function(overload).
	(Range): New class.
	(getStartIndex): New function.
	(getEndIndex): New function.
	(getSparseMissingUnusedIndex): New function.
	(isBitSetInternal): Return false if the given index is less than 0.
	* src/HttpInitiateConnectionCommand.h
	(executeInternal): Pass the reference of segment.
	* src/FtpNegotiateCommand.h
	(executeInternal): Pass the reference of segment.
	* src/FtpNegotiateCommand.cc
	(recvSize): Initialize bitfield here.
	* src/FtpTunnelResponseCommand.h
	(executeInternal): Pass the reference of segment.
	* src/HttpConnection.cc
	(createRequest): Rewritten range header processing.
	* src/DownloadCommand.h
	(executeInternal): Pass the reference of segment.
	(prepareForRetry): Removed.
	(prepareForNextSegment): Added an argument segment. Made it a virtual
	function.
	* src/main.cc
	(main): Set the initial value of PREF_SEGMENT_SIZE to 1MB.
	* src/SegmentMan.cc
	(SegmentMan): Added bitfield. Removed splitter.
	(~SegmentMan): Added bitfield. Removed splitter.
	(unregisterId): Removed.
	(getSegment): Rewritten.
	(updateSegment): Rewritten.
	(save): Rewritten.
	(read): Rewritten.
	(finished): Rewritten.
	(getDownloadedSize): Removed.
	(initBitfield): New function.
	(FindSegmentEntryByIndex): New function object.
	(FindSegmentEntryByCuid): New function object.
	(checkoutSegment): New function.
	(onNullBitfield): New function.
	(getSegment): New function(overload).
	(CancelSegment): New function object.
	(cancelSegment): New function.
	(completeSegment): New function.
	(hasSegment): New function.
	(getDownloadLength): New function.
	* src/FtpInitiateConnectionCommand.cc
	(executeInternal): Load .aria2 file after hostname resolution finishes.
	* src/Segment.h: Rewritten.
	* src/Segment.cc (operator<<): New function.
	* src/HttpDownloadCommand.h
	(prepareForNextSegment): New function.
	* src/Request.cc
	(resetUrl): Made segment null.
	* src/DownloadEngine.cc
	(~DownloadEngine): Call cleanQueue before deleting segmentMan.
	* src/HttpProxyRequestCommand.h
	(executeInternal): Pass the reference of segment.
	* src/DownloadCommand.cc
	(executeInternal): Rewritten the code related to Segment.
	(prepareForRetry): Removed.
	(prepareForNextSegment): Rewritten.
	* src/FtpTunnelResponseCommand.h
	(executeInternal): Pass the reference of segment.
	
	To add HTTP 1.1 persistent connection support(experimental)
	* src/HttpRequestCommand.cc
	(executeInternal): Disable keep alive if it is disabled by
	configuration.
	* src/Request.h
	(keepAlive): New variable.
	(isKeepAlive): New function.
	(setKeepAlive): New function.
	* src/pref.h
	(PREF_HTTP_KEEP_ALIVE): New definition.
	* src/HttpResponseCommand.cc
	(executeInternal): Check the remote server supports keep alive.
	* src/HttpConnection.cc
	(createRequest): Send "Connection: close" only if keep alive is
	disabled.
	* src/main.cc
	(main):
	Set the initial value(false) of PREF_KEEP_ALIVE to false.

	To add max download speed limit:
	* src/pref.h
	(PREF_MAX_SPEED_LIMIT): New definition.
	* src/PeerInteractionCommand.cc
	(executeInternal): Added max download speed limit. Not tested yet.
	* src/SegmentMan.h
	(PeerStats): New type definition.
	(peerStats): New variable.
	(registerPeerStat): New function.
	(FindPeerStat): New function object.
	(getPeerStat): New function.
	(calculateDownloadSpeed): New function.
	* src/SpeedCalc.h: New class.
	* src/SpeedCalc.cc: New class.
	* src/main.cc
	(main):
	Set the initial value of PREF_MAX_SPEED_LIMIT to 0(which means the
	download speed is not restricted).
	* src/PeerStat.h: New class.
	* src/SegmentMan.cc
	(registerPeerStat): New function.
	(calculateDownloadSpeed): New function.
	* src/DownloadCommand.cc
	(STARTUP_IDLE_TIME): New definition.
	(DownloadCommand): Register peerStat to segmentMan. Call peerStat->
	downloadStart.
	(~DownloadCommand): Call peerStat->downloadStop.
	(executeInternal): Added download speed limitter. Rewritten lowest
	speed limitter.

	* src/HttpConnection.cc
	(receiveResponse): Fixed: eohIndex[headerBuf] -> headerBuf[eohIndex].
	
	* src/AbstractCommand.cc
	(resolveHostname): Throw DlAbortEx if a name resolution failes.
	Added hostname to the error message.
	
	* src/ConsoleDownloadEngine.cc
	(calculateStatistics): Initialize psize with dlSize.

	* src/PieceMessage.cc
	(receivedAction): Do not call peerInteraction->abortPiece here.
	(onGotWrongPiece): Call peerInteraction->abortPiece here.

	* src/BitfieldMan.h
	(clearAllUseBit): New function.
	(setAllUseBit): New function.
	* src/BitfieldMan.cc
	(clearAllBit): Do not clear useBitfield here.
	(clearAllUseBit): New function.
	(setAllUseBit): New function.
	* src/Piece.cc
	(clearAllBlock): Call bitfield->clearAllUseBit().

2006-08-28  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	To make filename URL-decoded:
	* src/HttpResponseCommand.h: Updated doc.
	* src/HttpResponseCommand.cc
	(determinFilename): Made filename URL-decoded.
	* src/FtpInitiateConnectionCommand.cc
	(executeInternal): Made filename URL-decoded.
	* src/Util.h (urldecode): New function.
	* src/Util.cc (urldecode): New function.

	To fix a bug that caused assertion failure in ares_strerror:
	* src/NameResolver.cc (callback): Fixed the bug.

	* Release 0.7.3
	
2006-08-27  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	To add --seed-time and --seed-ratio command-line option:
	* src/Option.h (getAsDouble): New function.
	* src/Option.cc (getAsDouble): New function.
	* src/SeedCheckCommand.h: New class.
	* src/SeedCheckCommand.cc: New class.
	* src/DownloadEngineFactory.cc
	(SeedCheckCommand.h): Included.
	(UnionSeedCriteria.h): Included.
	(TimeSeedCriteria.h): Included.
	(ShareRatioSeedCriteria.h): Included.
	(newTorrentConsoleEngine): Added the processing of seed option.
	* src/SeedCriteria.h: New class.
	* src/ShareRatioSeedCriteria.h: New class.
	* src/TimeSeedCriteria.h: New class.
	* src/UnionSeedCriteria.h: New class.
	* src/prefs.h
	(PREF_SEED_TIME): New definition.
	(PREF_SEED_RATIO): New definition.
	* src/main.cc
	(showUsage): Added --seed-time and --seed-ratio option.
	(main): Added --seed-time and --seed-ratio option.
	Made default log file name "/dev/null".
	* src/SharedHandle.h
	(SharedHandle): Copy constructor. Made it assignable from the
	SharedHandle of the subclasses.
	(operator=): Made it assignable from the SharedHandle of the
	subclasses.
	(getRefCount): New function.
	
	To add notice log level and the switch to write log to stdout. This
	switch is configurable per log level.
	* src/Logger.h
	(notice): New function.
	(LEVEL): Added NOTICE. Assigned an explicit value to each log level
	constant.
	* src/LogFactory.cc
	(getInstance): The use of NullLogger was removed. A log message with
	notice log level was made written to stdout along with log file.
	* src/NullLogger.h
	(notice): New function.
	* src/SimpleLogger.h
	(writeHeader): Added the 'file' argument.
	(writeLog): Added the 'file' argument.
	(writeFile): New function.
	(stdoutField): New variable.
	(SimpleLogger): Removed the default constructor.
	(SimpleLogger): Made the default value of logfile 0.
	(debug): Added 'virtual' keyword.
	(info): Added 'virtual' keyword.
	(warn): Added 'virtual' keyword.
	(error): Added 'virtual' keyword.
	(notice): New function.
	(setStdout): New function.
	* src/SimpleLogger.cc
	(WRITE_LOG): Replaced writeLog with writeFile.
	(WRITE_LOG_EX): Replaced writeLog with writeFile.
	(SimpleLogger): Removed the default constructor.
	(setStdout): New function.
	(writeLog): Added the handling of NOTICE log level.
	(writeFile): New function.
	(notice): New function.

	* src/TorrentMan.h: Updated doc.

	* src/BitfieldMan.h: Updated doc.
	
	* src/TrackerWatcherCommand.cc
	(execute): Return true if error occurred in the request to the tracker
	and halt is requested.

	* src/TrackerUpdateCommand.cc
	(execute): Return true if error occurred in the request to the tracker
	and halt is requested.

	To call onDownloadComplete from TorrentMan::completePiece(), not from
	DownloadEngine:
	* src/TorrentConsoleDownloadEngine.h
	(onSelectiveDownloadingCompletes): Removed.
	* src/TorrentConsoleDownloadEngine.cc
	(onSelectiveDownloadingCompletes): Removed.
	* src/TorrentDownloadEngine.h
	(onEndOfRun): Added 'virtual' keyword.
	(afterEachIteration): Removed.
	(onSelectiveDownloadingCompletes): Removed.
	* src/TorrentDownloadEngine.cc
	(onEndOfRun): Removed filenameFixed.
	(afterEachIteration): Removed.	
	* src/TorrentMan.cc
	(completePiece): Call onDownloadComplete here.
	(onDownloadComplete): Added 2 log messages.

2006-08-21  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

        To fix compilation problem on gcc4.1.1(patch#1542283 by tizianomueller)
	* src/NameResolver.h: Added the prototype declaration of callback().
	
	To support c-ares library:
	* src/AbstractCommand.cc: Replaced HAVE_LIBARES with ENABLE_ASYNC_DNS
	* src/FeatureConfig.cc: Replaced HAVE_LIBARES with ENABLE_ASYNC_DNS
	* src/FtpInitiateConnectionCommand.h:
	Replaced HAVE_LIBARES with ENABLE_ASYNC_DNS
	* src/AbstractCommand.h: Replaced HAVE_LIBARES with ENABLE_ASYNC_DNS
	* src/HttpInitiateConnectionCommand.h:
	Replaced HAVE_LIBARES with ENABLE_ASYNC_DNS
	* src/NameResolver.cc: Replaced HAVE_LIBARES with ENABLE_ASYNC_DNS.
	Added thes upport of c-ares's ares_strerror(the idea came from patch
	#1542285 by tizianomueller)
	* src/HttpInitiateConnectionCommand.cc:
	Replaced HAVE_LIBARES with ENABLE_ASYNC_DNS
	* src/FtpInitiateConnectionCommand.cc:
	Replaced HAVE_LIBARES with ENABLE_ASYNC_DNS
	* src/DownloadEngine.h:
	Replaced HAVE_LIBARES with ENABLE_ASYNC_DNS
	* src/DownloadEngine.cc:
	Replaced HAVE_LIBARES with ENABLE_ASYNC_DNS	

	To fix the bug that causes compilation failure with metalink-support
	disabled(bug#1543587):
	* src/main.cc: Fixed with the patch by tizianomueller.

	* Release 0.7.2
	
2006-08-14  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* src/main.cc
	(main): Added a message to inform users that aria2 is starting to
	verify checksum.
	* src/RequestInfo.cc
	(printDownloadAbortMessage): Added a message to inform users that
	transfer can be resumed.

	* src/FeatureConfig.cc
	(FEATURE_ASYNC_DNS): New definition.
	(FeatureConfig): Added aysnc DNS entry.

	To replace CommandUuid with Command* in SocketEntry and
	NameResolverEntry:
	
	* src/DownloadEngine.h
	(CommandUuids): Removed.
	(SocketEntry::commandUuid): Removed.
	(SocketEntry::command): New variable.
	(SocketEntry::SocketEntry): Updated.
	(SocketEntry::operator==): Updated.
	(NameResolverEntry::commandUuid): Removed.
	(NameResolverEntry::command): New variable.
	(NameResolverEntry::NameResolverEntry): Updated.
	(NameResolverEntry::operator==): Updated.
	(waitData): Changed the argument type.
	(addSocketForReadCheck): Changed the argument type.
	(deleteSocketForReadCheck): Changed the argument type.
	(addSocketForWriteCheck): Changed the argument type.
	(deleteSocketForWriteCheck): Changed the argument type.
	(addNameResolverCheck): Changed the argument type.
	(deleteNameResolverCheck): Changed the argument type.
	* src/DownloadEngine.cc
	(FindCommand): Removed.
	(run): Removed activeUuid. Added activeCommands instead.
	(AccumulateActiveUuid): Renamed as AccumulateActiveCommand.
	(AccumulateActiveCommand): New function object.
	(waitData): Use AccumulateActiveCommand.
	(addSocketForReadCheck): Use Command instead of CommandUuid.
	(deleteSocketForReadCheck): Use Command instead of CommandUuid.
	(addSocketForWriteCheck): Use Command instead of CommandUuid.
	(deleteSocketForWriteCheck): Use Command instead of CommandUuid.
	(addNameResolverCheck): Use Command instead of CommandUuid.
	(deleteNameResolverCheck): Use Command instead of CommandUuid.	
	* src/AbstractCommand.cc
	(disableReadCheckSocket): Updated according to the changes in
	DownloadEngine.
	(setReadCheckSocket): Updated according to the changes in
	DownloadEngine.
	(disableWriteCheckSocket): Updated according to the changes in
	DownloadEngine.
	(setWriteCheckSocket): Updated according to the changes in
	DownloadEngine.
	(setNameResolverCheck): Updated according to the changes in
	DownloadEngine.
	(disableNameResolverCheck): Updated according to the changes in
	DownloadEngine.
	* src/AbstractCommand.cc
	(disableReadCheckSocket): Updated according to the changes in
	DownloadEngine.
	(setReadCheckSocket): Updated according to the changes in
	DownloadEngine.
	(disableWriteCheckSocket): Updated according to the changes in
	DownloadEngine.
	(setWriteCheckSocket): Updated according to the changes in
	DownloadEngine.

	* release 0.7.1
	
2006-08-12  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	To handle the case where some BitTorrent tracker requires all letters
	except for [A-Za-z0-9] is URL encoded.
	
	* src/Util.h
	(torrentUrlencode): New function.
	* src/Util.cc
	(ctype.h): Included.
	(torrentUrlencode): New function.
	* src/TrackerWatcherCommand.cc
	(execute): Use Util::torrentUrlencode() instead of Util::urlencode().
	
2006-08-11  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	To add asynchronous DNS support(libares):

	* src/AbstractCommand.h
	(setNameResolverCheck): New function.
	(disableNameResolverCheck): New function
	(resolveHostname): New function.
	* src/AbstractCommand.cc
	(setNameResolverCheck): New function.
	(disableNameResolverCheck): New function
	(resolveHostname): New function.
	* src/FtpInitiateConnectionCommand.h
	(nameResolver): New function.
	* src/FtpInitiateConnectionCommand.cc
	(Util.h): Included.
	(FtpInitiateConnectionCommand): Call disableReadCheckSocket,
	disableWriteCheckSocket.
	(~FtpInitiateConnectionCommand): Call disableNameResolverCheck.
	(executeInternal): Added async DNS support.
	* src/HttpInitiateConnectionCommand.h
	(nameResolver): New function.
	* src/HttpInitiateConnectionCommand.cc
	(DlRetryEx.h): Included.
	(HttpInitiateConnectionCommand): Call disableReadCheckSocket,
	disableWriteCheckSocket.
	(~HttpInitiateConnectionCommand): Call disableNameResolverCheck.
	(executeInternal): Added async DNS support.
	* src/NameResolver.h: New class. Note: #include <ares.h> is surrounded
	by extern "C" declaration.
	* src/NameResolver.cc: New class.
	* src/Util.h:
	(isNumberAndDotsNotation): New function
	* src/Util.cc
	(isNumberAndDotsNotation): New function.
	* src/DownloadEngine.h
	(NameResolver.h): Included.
	(NameResolverEntry): New class.
	(NameResolverEntries): New type definition.
	(addNameResolverCheck): New function.
	(deleteNameResolverCheck): New function.
	* src/DownloadEngine.cc
	(run): Initialize cp with 0.
	(SetDescriptor::operator()): Added for NameResolverEntry.
	(AccumulateActiveUuid::operator()): Added for NameResolverEntry.
	(waitData): Check nameResolver entries.
	(updateFdSet): Update fds in nameResolver entries.
	(addNameResolverCheck): New function.
	(deleteNameResolverCheck): new function.
	
	* src/PeerInteractionCommand.cc
	(executeInternal): Fixed wrong socket handling.

	* src/main.cc
	(main): Fixed the initial value of PREF_LOWEST_SPEED_LIMIT option to 0.

	* src/Util.cc
	(fileChecksum): Removed the call to ctx.digestReset().
	
2006-08-08  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* po/ru.po: Azamat sent me Russian translation.
	
	* src/FtpNegotiateCommand.cc
	(recvGreeting): Call disableWriteCheckSocket just after
	socket->setBlockingMode(). This avoids unnecessary CPU-hog loop.
	(recvRetr): Recognized status code 125 as a acceptable response code.
	
	Rename Time.h to TimeA2.h to avoid compilation ploblem on
	case-insesitive filesystem(BUG#1531057).

	* src/Time.h: Renamed as TimeA2.h.
	* src/Time.cc: Renamed as TimeA2.cc.
	* src/TimeA2.h: New class.
	* src/TimeA2.cc: New class.
	* src/PeerChokeCommand.h: Replaced Time.h with TimeA2.h.
	* src/TrackerWatcherCommand.h: Replaced Time.h with TimeA2.h.
	* src/PeerAbstractCommand.h: Replaced Time.h with TimeA2.h.
	* src/AbstractCommand.h: Replaced Time.h with TimeA2.h.
	* src/PeerInteractionCommand.h: Replaced Time.h with TimeA2.h.
	* src/ConsoleDownloadEngine.h: Replaced Time.h with TimeA2.h.
	* src/TorrentAutoSaveCommand.h: Replaced Time.h with TimeA2.h.
	* src/DownloadCommand.h: Replaced Time.h with TimeA2.h.
	* src/TorrentMan.h: Replaced Time.h with TimeA2.h.
	* src/TorrentDownloadEngine.h: Replaced Time.h with TimeA2.h.
	* src/RequestSlot.h: Replaced Time.h with TimeA2.h.
	* src/SleepCommand.h: Replaced Time.h with TimeA2.h.
	* src/DownloadEngine.cc: Replaced Time.h with TimeA2.h.

	* release 0.7.0
	
2006-08-07  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* src/PeerChokeCommand.h
	(PeerChokeCommand): Rearranged the arguments.
	* src/PeerChokeCommand.cc
	(PeerChokeCommand): Rearranged the arguments.

	* src/MetalinkEntry.h
	(Checksum.h): Included.
	(md5): Removed.
	(sha1): Removed.
	(checksum): New variable.
	(operator=): Updated.
	(check): Removed.

	* src/prefs.h
	(PREF_LOWEST_SPEED_LIMIT): New definition.
	(PREF_FOLLOW_TORRENT): New definition.
	(PREF_SELECT_FILE): New definition.
	(PREF_FOLLOW_METALINK): New definition.

	* src/MetalinkResource.h
	(TYPE_HTTPS): Added to enum TYPE.

	* src/TorrentMan.cc
	(~TorrentMan): Rewritten.

	* src/MultiDiskWriter.cc
	(MultiDiskAdaptor): Updated according to the changes in
	MessageDigestContext.
	(~MultiDiskAdaptor): Updated according to the changes in
	MessageDigestContext.
	(hashUpdate): Updated according to the changes in MessageDigestContext.
	(sha1Sum): Updated according to the changes in MessageDigestContext.

	* src/Util.h
	(fileChecksum): Updated according to the changes in
	MessageDigestContext.
	* src/Util.cc
	(sha1Sum): Updated according to the changes in MessageDigestContext.
	(fileChecksum): Updated according to the changes in
	MessageDigestContext.

	* src/messageDigest.h: Rewritten.

	* src/MetalinkEntry.cc
	(check): Removed.
	(Supported): Updated.
	(dropUnsupportedResource): Fixed a memory leak.

	* src/ShaVisitor.cc
	(ShaVisitor): Updated according to the changes in MessageDigestContext.
	(~ShaVisitor): Updated according to the changes in
	MessageDigestContext.
	(visit): Updated according to the changes in MessageDigestContext.

	* src/main.cc
	(main): Rewritten the portion of download loop. --lowest-speed-limit
	command-line option added.

	* src/DownloadEngine.h
	(SocketEntry): New class.
	(SocketEntries): New definition.
	(PairFind): Removed.
	(SockCmdMap): Removed.
	* src/DownloadEngine.cc
	(DownloadEngine): Rewritten.
	(~DownloadEngine): Rewritten.
	(run): Renamed activeCommandUuids as activeUuids.
	(SetDescriptor): Rewritten.
	(AccumulateActiveCommandUuid): Removed.
	(AccumulateActiveUuid): New function object.
	(waitData): Rewritten.
	(updateFdSet): Rewritten.
	(addSocket): Rewritten.
	(deleteSocket): Rewritten.
	(addSocketForReadCheck): Rewritten.
	(deleteSocketForReadCheck): Rewritten.
	(addSocketForWriteCheck): Rewritten.
	(deleteSocketForWriteCheck): Rewritten.
	
	* src/Xml2MetalinkProcessor.cc
	(getEntry): Rewritten the portion of MetalinkEntry creation.

	* src/DownloadCommand.cc
	(executeInternal): Added the check routine for lowest speed limit.

	* src/AbstractDiskWriter.cc
	(AbstractDiskWriter): Updated according to the changes in
	MessageDigestContext.
	(~AbstractDiskWriter): Updated according to the changes in
	MessageDigestContext.
	(sha1Sum): Updated according to the changes in MessageDigestContext.

	* src/RequestInfo.h: New class.

	* src/UrlRequestInfo.h: New class.
	* src/UrlRequestInfo.cc: New class.

	* src/TorrentRequestInfo.h: New class.
	* src/TorrentRequestInfo.cc: New class.

	* src/MetalinkRequestInfo.h: New class.
	* src/MetalinkRequestInfo.cc: New class.

	* src/Checksum.h: New class.

	* src/DownloadEngineFactory.h: New class.
	* src/DownloadEngineFactory.cc: New class.
	
2006-08-03  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* src/Option.h
	(getAsBool): New function.
	* src/Option.cc
	(prefs.h): Included.
	(defined): 0-length value is now recognized as undefined.
	(getAsInt): Rewritten.
	(getAsLLInt): Rewritten.
	(getAsBool): New function.
	
	* src/FeatureConfig.h: Rewritten.
	* src/FeatureConfig.cc: Rewritten.

	* src/prefs.h
	(PREF_STDOUT_LOG): New definition.
	(PREF_LOG): New definition.
	(PREF_DIR): New definition.
	(PREF_OUT): New definition.
	(PREF_SPLIT): New definition.
	(PREF_DAEMON): New definition.
	(PREF_REFERER): New definition.
	(PREF_TORRENT_FILE): New definition.
	(PREF_LISTEN_PORT): New definition.
	(PREF_METALINK_FILE): New definition.
	(PREF_METALINK_VERSION): New definition.
	(PREF_METALINK_LANGUAGE): New definition.
	(PREF_METALINK_OS): New definition.
	(PREF_METALINK_SERVERS): New definition.

	* src/main.cc
	(main): Following command-line parameters are now put into Option
	class: stdoutLog, logfile, dir, ufilename, split, daemonMode,
	referer, torrentFile, metalinkFile, listenPort, metalinkVersion,
	metalinkLanguage, metalinkOs, metalinkServers
	
	To fix the bug that aria2 can not handle http response header properly.
	
	* src/HttpHeader.cc
	(put): Made name lowercased.
	(defined): Made name lowercased.
	(getFirst): Made name lowercased.
	(get): Made name lowercased.
	(getFirstAsInt): Rewritten.
	(getFirstAsLLInt): Rewritten.

2006-07-30  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* src/TorrentMan.h:
	(advertisePiece): Updated doc.
	(getAdvertisedPieceIndexes): Updated doc.
	(removeAdvertisedPiece); New function.
	
	* src/TorrentMan.cc
	(FindElapsedHave): New function object.
	(removeAdvertisedPiece): New function.

	* src/HaveEraseCommand.h: New class.
	* src/HaveEraseCommand.cc: New class.

	* src/FeatureConfig.h: New class.
	* src/FeatureConfig.cc: New class.
	
	* src/Request.h
	(defaultPorts): Removed.
	* src/Request.cc
	(FeatureConfig.h): Included.
	(Request): Removed the statements related to defaultPorts.
	(parseUrl): Removed metalinkEnabled. Use FeatureConfig instead.
	A default port number is now retrieved from FeatureConfig.
	
	* src/main.cc
	(HaveEraseCommand.h): Included.
	(showVersion): Added the output of feature list.
	(main): Added HaveEraseCommand to command queue in BitTorrent
	downloading.
	
	* src/PeerInteractionCommand.h
	(chokeCheckPoint): Commented out.
	(periodicExecPoint): New variable.
	* src/PeerInteractionCommand.cc
	(executeInternal): Following methods are now called in at least every
	0.5 seconds to reduce CPU usage:
	detectMessageFlooding(), peerInteraction->checkRequestSlot(),
	checkHave(), sendKeepAlive().
	(checkLongTimePeerChoking): Commented out.

	* src/BitfieldMan.h
	(getNthBitIndex): Changed the method signature.
	(getMissingIndexRandomly): Changed the method signature.
	* src/BitfieldMan.cc
	(getNthBitIndex): Rewritten
	(getMissingIndexRandomly): Rewritten.
	(hasMissingPiece): Rewritten.
	(getMissingIndex): Refactored.
	(getMissingUnusedIndex); Refactored.
	(getMissingIndex): Refactored.
	
2006-07-27  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* src/PeerMessage.h
	(Piece.h): Included.
	(SharedHandle.h): Included.
	(invalidate): New variable.
	(uploading): New variable.
	(isInvalidate): New function.
	(isUploading): New function.
	(onPush): New function.
	(onChoked): New function.
	(onCanceled): New function.
	(onAbortPiece): New function.
	(PeerMessageHandle): New type definition.
	
	* src/PeerMessage.cc
	(PeerMessage): Added the initialization for invalidate and uploading.
	
	* src/CancelMessage.h
	(CancelMessage): Rewritten.

	* src/RejectMessage.h
	(RejectMessage): Rewritten.

	* src/Metalinker.h
	(operator=): Defined.
	
	* src/MetaEntry.h
	(operator=): Defined.

	* src/MetalinkResource.h
	(operator=): Defined.
	
	* src/AllowedFastMessage.h
	(AllowedFastMessage): Rewritten.

	* src/HandshakeMessage.h
	(HandshakeMessage): New function(overload).
	
	* src/HandshakeMessage.cc
	(HandshakeMessage): Rewritten.
	(init): New function.

	* src/HaveMessage.h
	(HaveMessage): Rewritten.
	
	* src/Time.h
	(operator=): Defined the function body here.
	* src/Time.cc
	(operator=): Removed.
	
	* src/SocketCore.h
	(operator==): Defined here.
	(operator!=): Defined here.
	(operator<): Defined here.
	* src/SocketCore.cc
	(operator==): Removed.
	(operator<): Removed.

	* src/BitfieldMan.h
	(operator=): Defined the function body here.
	* src/BitfieldMan.cc
	(operator=): Removed.

	* src/TorrentMan.h
	(deleteErrorPeer): Removed.
	(deleteUnusedPeer); New function.
	* src/TorrentMan.cc
	(addPeer): Call deleteUnusedPeer.
	(deleteErrorPeer): Removed.
	(deleteUnusedPeer): New function.

	* src/PeerAbstractCommand.h
	(setNoCheck): New function.
	(noCheck): New variable.
	* src/PeerAbstractCommand.cc
	(PeerAbstractCommand): Added the initialization of noCheck.
	(execute): Added a check for noCheck.
	(setNoCheck): New function.

	* src/Util.h
	(stdio.h): Included.
	* src/Util.cc
	(unistd.h): Included.

	* src/DefaultDiskWriter.cc
	(unistd.h): Included.

	* src/Peer.h
	(operator==): Defined the function body here.
	(operator!=): Defined the function body here.
	* src/Peer.cc
	(operator==): Removed.
	(operator!=): Removed.

	* src/Piece.h
	(Piece): Defined the function body here(copy constructor).
	(operator=): Defined the function body here.
	(operator==): Defined the function body here.
	* src/Piece.cc
	(Piece): Removed(copy constructor).
	(operator=): Removed.
	(operator==): Removed.
	
	* src/PeerMessageUtil.h
	(ChokeMessage.h): Removed.
	(UnchokeMessage.h): Removed.
	(InterestedMessage.h): Removed.
	(NotInterestedMessage.h): Removed.
	(HaveMessage.h): Removed.
	(BitfieldMessage.h): Removed.
	(RequestMessage.h): Removed.
	(CancelMessage.h): Removed.
	(PieceMessage.h): Removed.
	(HandshakeMessage.h): Removed.
	(KeepAliveMessage.h): Removed.
	(PortMessage.h): Removed.
	(HaveAllMessage.h): Removed.
	(HaveNoneMessage.h): Removed.
	(PeerConnection.h): Removed.
	(HandshakeMessage.h): Included.

	* src/BitfieldMessage.h
	(init): New function.
	(BitfieldMessage): Rewritten.
	(BitfieldMessage): New function(overload).

	* src/RequestSlot.h
	(operator=): Defined the function body here.
	(operator==): Defined the function body here.
	* src/RequestSlot.cc
	(operator=): Removed.
	(operator==): Removed.
	
	To remove the dependency on the PeerMessage subclass from
	PeerInteraction:

	* src/PeerMessageFactory.h: New class.
	* src/PeerMessageFactory.cc: New class.
	* src/SimplePeerMessage.cc
	(send): If invalidate is true then do nothing.
	* src/PeerInteractionCommand.cc
	(HandshakeMessage.h): Included.
	(KeepAliveMessage.h): Included.
	(ChokeMessage.h): Included.
	(UnchokeMessage.h): Included.
	(HaveMessage.h): Included.
	(executeInternal): Call setNoCheck().
	Removed setWriteCheckSocket(socket).
	* src/PeerInteraction.h
	(ChokeMessage.h): Removed.
	(UnchokeMessage.h): Removed.
	(InterestedMessage.h): Removed.
	(NotInterestedMessage.h): Removed.
	(HaveMessage.h): Removed.
	(BitfieldMessage.h): Removed.
	(RequestMessage.h): Removed.
	(CancelMessage.h): Removed.
	(PieceMessage.h): Removed.
	(HandshakeMessage.h): Removed.
	(KeepAliveMessage.h): Removed.
	(PortMessage.h): Removed.
	(HaveAllMessage.h): Removed.
	(HaveNoneMessage.h): Removed.
	(RejectMessage.h): Removed.
	(AllowedFastMessage.h): Removed.
	(SuggestPieceMessage.h): Removed.
	(PeerMessageFactory.h): Included.
	(PeerMessageHandle): Removed typedef of PeerMessageHandle.
	(HandshakeMessageHandle): Removed typedef of HandshakeMessageHandle.
	(PeerMessageFactory): New variable.
	(createPeerMessage): Removed.
	(createHandshakeMessage): Removed.
	(setPeerMessageCommonProperty): Removed.
	(addRequestSlot): New function.
	(receiveHandshake): Changed the return value type to PeerMessageHandle.
	(getPeerMessageFactory): New function.
	(createRequestMessage): Removed.
	(createCancelMessage): Removed.
	(createPieceMessage): Removed.
	(createHaveMessage): Removed.
	(createChokeMessage): Removed.
	(createUnchokeMessage): Removed.
	(createInterestedMessage): Removed.
	(createNotInterestedMessage): Removed.
	(createBitfieldMessage): Removed.
	(createKeepAliveMessage): Removed.
	(createHaveAllMessage): Removed.
	(createHaveNoneMessage): Removed.
	(createRejectMessage): Removed.
	(createAllowedFastMessage): Removed.	
	* src/PeerInteraction.cc
	(PeerInteraction): Allocate PeerMessageFactory here.
	(~PeerInteraction): Deallocate PeerMessageFactory here.
	(sendMessages): Use msg->isUploading() instead of msg->getId() ==
	PieceMessage::ID.
	(addMessage): Simplified by using PeerMessage::onPush().
	(addRequestSlot): New function.
	(rejectAllPieceMessageInQueue): Simplified by using
	PeerMessage::onChoked().
	(rejectPieceMessageInQueue): Simplified by using
	PeerMessage::onCanceled().
	(abortPiece): Simplified by using PeerMessage::abortPiece().
	(receiveHandshake): Changed the return value type to PeerMessageHandle.
	(createHandshakeMessage): Removed.
	(createPeerMessage): Removed.
	(sendHandshake): Call PeerMessageFactory::createHandshakeMessage().
	(setPeerMessageCommonProperty): Removed.
	(createRequestMessage): Removed.
	(createCancelMessage): Removed.
	(createPieceMessage): Removed.
	(createHaveMessage): Removed.
	(createChokeMessage): Removed.
	(createUnchokeMessage): Removed.
	(createInterestedMessage): Removed.
	(createNotInterestedMessage): Removed.
	(createBitfieldMessage): Removed.
	(createKeepAliveMessage): Removed.
	(createHaveAllMessage): Removed.
	(createHaveNoneMessage): Removed.
	(createRejectMessage): Removed.
	(createAllowedFastMessage): Removed.
	* src/PieceMessage.h
	(createRejectMessage): New function.
	(PieceMessage): Rewritten.
	(onChoked): New function.
	(onCanceled): New function.
	* src/PieceMessage.cc
	(send): If invalidate is true then do nothing, just return.
	(createRejectMessage): New function.
	(onChoked): New function.
	(onCanceled): New function.
	* src/RequestMessage.h
	(RequestMessage): Rewritten.
	(onPush): New function.
	(onAbortPiece): New function.
	* src/RequestMessage.cc
	(onPush): New function.
	(onAbortPiece): New function.
	
	Update fd_set when a socket is added or deleted in order to improve
	performance:

	* src/DownloadEngine.h
	(rfdset): New variable.
	(wfdset): New variable.
	(updateFdSet): New function.
	* src/DownloadEngine.cc
	(SetDescriptor::operator()): Use SockCmdMap::value_type.
	(AccumulateActiveCommandUuid::operator()): Use SockCmdMap::value_type.
	(waitData): Copy rfdset and wfdset.
	(updateFdSet): New function.
	(addSocket): Call updateFdSet.
	(deleteSocket): Call updateFdSet.
	
2006-07-21  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

        To add the support for Metalink3.0 backward compatible links:
	
	* src/Request.h
	(SAFE_CHARS): Added '#'.
	(METALINK_MARK): New definition.
	* src/Request.cc
	(parseUrl): Added the support for Metalink3.0 backward compatible
	links.

	etc

	* src/PeerInteraction.cc
	(MsgPushBack): Removed.
	(sendMessages): Use STL copy and back_inserter.
	(rejectAllPieceMessageInQueue): Use STL copy and back_inserter.
	(rejectPieceMessageInQueue): Use STL copy and back_inserter.
	* src/TorrentMan.h
	(MAX_PEER_LIST_SIZE): Changed to 100 from 250.
	
2006-07-19  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* src/SharedHandle.h: New class.

	To wrap Socket, Command, PeerMessage and Peer with SharedHandle:

	* src/HttpResponseCommand.h
	(HttpResponseCommand): Wrapped Socket.
	* src/SocketCore.h
	(operator==): New function.
	(operator!=): New function.
	(operator<): New function.
	(getSockfd): New function.
	(isOpen): New function.
	(writeData): New function.
	* src/SocketCore.cc
	(operator==): New function.
	(operator!=): New function.
	(operator<): New function.
	* src/AbstractCommand.h
	(socket): Changed its type to SocketHandle.
	(setReadCheckSocket): Replaced Socket with SocketHandle.
	(setWriteCheckSocket): Replaced Socket with SocketHandle.
	(disableReadCheckSocket): New function.
	(disableWriteCheckSocket): New function.
	(readCheckTarget): Changed its type to SocketHandle.
	(writeCheckTarget): Changed its type to SocketHandle.
	(AbstractCommand): Replaced Socket with SocketHandle.
	* src/AbstractCommand.cc
	(AbstractCommand): Replaced Socket with SocketHandle.
	(~AbstractCommand): Removed the deallocation for Socket object.
	(disableReadCheckSocket): New function.
	(setReadCheckSocket): Replaced Socket with SocketHandle.
	(disableWriteCheckSocket): New function.
	(setWriteCheckSocket): Replaced Socket with SocketHandle.
	* src/HttpDownloadCommand.cc
	(DownloadCommand): Replaced Socket with SocketHandle.
	* src/PeerAbstractCommand.h
	(socket): Changed its type to SocketHandle.
	(peer): Changed its type to PeerHandle.
	(setReadCheckSocket): Replaced Socket with SocketHandle.
	(setWriteCheckSocket): Replaced Socket with SocketHandle.
	(disableReadCheckSocket): New function.
	(disableWriteCheckSocket): New function.
	(readCheckTarget): Changed its type to SocketHandle.
	(writeCheckTarget): Changed its type to SocketHandle.
	(PeerAbstractCommand): Replaced Socket with SocketHandle.
	Replaced Peer with PeerHandle.
	* src/HttpRequestCommand.cc
	(HttpRequestCommand): Replaced Socket with SocketHandle.
	Use disableReadCheckSocket.
	* src/PeerInitiateConnectionCommand.h
	(PeerInitiateConnectionCommand): Replaced Peer with PeerHandle.
	* src/PeerChokeCommand.cc
	(UploadFaster::operator()): Replaced Peer with PeerHandle.
	(DownloadFaster::operator()): Replaced Peer with PeerHandle.
	(execute): Use PeerHandle.
	* src/PeerConnection.h
	(HandshakeMessage.h): Removed include of HandshakeMessage.h.
	(socket): Changed its type to SocketHandle.
	(PeerConnection): Replaced Socket with SocketHandle.	
	* src/PeerConnection.cc
	(PeerConnection): Replaced Socket with SocketHandle.
	* src/PeerInteractionCommand.h
	(PeerInteractionCommand): Replaced socket with SocketHandle.
	Replaced Peer with PeerHandle.	
	* src/PeerInteractionCommand.cc
	(PeerInteractionCommand): Replaced Socket with SocketHandle.
	Replaced Peer with PeerHandle.
	(executeInternal): Use disableWriteCheckSocket.
	Use HandshakeMessageHandle.
	(receiveMessages): Use PeerMessageHandle.
	(prepareForNextPeer): Use PeerHandle.
	* src/HttpProxyRequestCommand.h
	(HttpProxyRequestCommand): Replaced Socket with SocketHandle.
	* src/HttpResponseCommand.cc
	(HttpResponseCommand): Replaced Socket with SocketHandle.
	* src/TorrentMan.cc
	(nullPeer): Added external reference.
	(~TorrentMan): Removed the deallocation of the elements of peers.
	(addPeer): Rewritten.
	(isPeerAvailable): Use nullPeer.
	(deleteOldpeers): Replaced with deleteErrorPeer.
	(deleteErrorPeer): New function.
	(getPeer): Use PeerHandle and nullPeer.
	(hasMissingPiece): Replaced Peer with PeerHandle.
	(getMissingPieceIndex): Replaced Peer with PeerHandle.
	(getMissingFastPieceIndex): Replaced Peer with PeerHandle.
	(getMissingFastPiece): Replaced Peer with PeerHandle.
	(getMissingPiece): Replaced Peer with PeerHandle.
	* src/FtpNegotiateCommand.cc
	(FtpNegotiationCommand): Replaced Peer with PeerHandle.
	(~FtpNegotiationCommand): Removed the deallocation of Sockets.
	(recvGreeting): Use disableWriteCheckSocket.
	(recvPasv): Removed the allocation of Socket.
	Use disableReadCheckSocket.
	(sendRestPasv): Use disableWriteCheckSocket.
	(recvRetr): Changed assertion.
	* src/PeerInteraction.h
	(SharedHandle.h): Included SharedHandle.h.
	(PeerMessageHandle): New type definition.
	(HandshakeMessageHandle): New type definition.
	(MessageQueue): Changed. Now its element is of type PeerMessageHandle.
	(peer): Changed its type to PeerHandle.
	(createHandshakeMessage): Replaced HandshakeMessage with
	HandshakeMessageHandle.
	(createPeerMessage): Replaced PeerMessageHandle with PeerMessage.
	(PeerInteraction): Replaced Peer with PeerHandle.
	Replaced Socket with SocketHandle.
	(addMessage): Replaced PeerMessage with PeerMessageHandle.
	(receiveMessage): Replaced PeerMessage with PeerMessageHandle.
	(receiveHandshake): Replaced HandshakeMessage with
	HandshakeMessageHandle.
	* src/PeerInteraction.cc
	(PeerInteraction): Replaced Peer with PeerHandle.
	Replaced Socket with SocketHandle.
	(~PeerInteraction): Removed the deallocation of the elements of
	messageQueue.
	(MsgPushBack::operator()): Replaced PeerMessage with PeerMessageHandle.
	(isSendingMessageInProgress): Replaced PeerMessage with
	PeerMessageHandle.
	(sendMessages): Use PeerMessageHandle. Removed try-catch block.
	(addMessage): Replaced PeerMessage with PeerMessageHandle.
	(rejectAllPieceMessageInQueue): Use PeerMessageHandle.
	(rejectPieceMessageInQueue): Use PeerMessageHandle.
	(abortPiece): Use PeerMessageHandle.
	(receiveHandshake): Replaced HandshakeMessage with
	HandshakeMessageHandle. Removed try-catch block.
	(createHandshakeMessage): Replaced HandshakeMessage with
	HandshakeMessageHandle.
	(receiveMessage): Replaced PeerMessage with PeerMessageHandle.
	Removed try-catch block.
	(createPeerMessage): Replaced PeerMessage with PeerMessageHandle.
	* src/HttpProxyResponseCommand.cc
	(HttpProxyRequestCommand): Replaced Socket with SocketHandle.
	* src/FtpTunnelResponseCommand.h
	(FtpTunnelResponseCommand): Replaced Socket with SocketHandle.
	* src/HttpConnection.cc
	(HttpConnection): Replaced Socket with SocketHandle.
	* src/PeerAbstractCommand.cc
	(PeerAbstractCommand): Replaced Socket with SocketHandle.
	(~PeerAbstractCommand): Removed the deallocation of socket.
	Use disableReadCheckSocket, disableWriteCheckSocket.
	(disableReadCheckSocket): New function.
	(setReadCheckSocket): Replaced Socket with SocketHandle.
	(disableWriteCheckSocket): New function.
	(setWriteCheckSocket): Replaced Socket with SocketHandle.
	* src/InitiateConnectionCommandFactory.h: Corrected indentation.
	* src/FtpTunnelRequestCommand.cc
	(FtpTunnelRequestCommand): Replaced Socket with SocketHandle.
	(~FtpTunnelRequestCommand): Corrected indentation.
	* src/DownloadCommand.h
	(DownloadCommand): Replaced Socket with SocketHandle.
	* src/PeerListenCommand.cc
	(PeerListenCommand): Removed the initialization of socket.
	(~PeerListenCommand): Removed the deallocation of socket.
	(bindPort): Use SocketHandle.
	(execute): Use SocketHandle and PeerHandle.
	* src/FtpDowndloadCommand.cc
	(FtpDownloadCommand): Replaced Socket with SocketHandle.
	(~FtpDownloadCommand): Removed the deallocation of ctrlSocket.
	* src/main.cc
	(main): Corrected indentation.
	* src/HttpInitiateConnectionCommand.cc
	(HttpInitiateConnectionCommand): Replaced Socket with SocketHandle.
	(executeInternal): Removed the allocation of socket.
	* src/HttpRequestCommand.h
	(HttpRequestCommand): Replaced Socket with SocketHandle.
	* src/FtpNegotiationCommand.h
	(dataSocket): Changed its type to SocketHandle.
	(serverSocket): Changed its type to SocketHandle.
	(FtpNegotiationCommand): Replaced Socket with SocketHandle.
	* src/TorrentMan.h
	(MAX_PEER_UPDATE): Removed.
	(MAX_PEERS): New definition.
	(Peers): The element is now of type PeerHandle.
	(addPeer): Replaced Peer with PeerHandle. Removed 'duplicate' argument.
	(getPeer): Replaced Peer with PeerHandle.
	(deleteOldErrorPeers): Removed.
	(deleteErrorPeer): New function.
	(hasMissingPiece): Replaced Peer with PeerHandle.
	(getMissingPieceIndex): Replaced Peer with PeerHandle.
	(getMissingPiece): Replaced Peer with PeerHandle.
	(getMissingFastPieceIndex): Replaced Peer with PeerHandle.
	(getMissingFastPiece): Replaced Peer with PeerHandle.
	(addActivePeer): Replaced Peer with PeerHandle.
	(deleteActivePeer): Replaced Peer with PeerHandle.
	Added a check for the return value of find.
	* src/FtpTunnelResponseCommand.cc
	(FtpTunnelResponseCommand): Replaced Socket with SocketHandle.
	* src/FtpInitiateConnectionCommand.cc
	(executeInternal): Removed the allocation of socket.
	* src/DownloadEngine.h
	(Sockets): An element is now of type SocketHandle.
	(SockCmdMap): A key is of type SocketHandle, a value is of type int.
	(CommandUuids): New type definition.
	(rsockets): Changed its type to SockCmdMap.
	(wsockets): Changed its type to SockCmdMap.
	(addSocket): Rewritten.
	(deleteSocket): Rewritten.
	(addSocketForReadCheck): Rewritten.
	(deleteSocketForReadCheck): Rewritten.
	(addSocketForWriteCheck): Rewritten.
	(deleteSocketForWriteCheck): Rewritten.
	(PairFind): New template class.
	* src/HttpDownloadCommand.h
	(HttpDownloadCommand): Replaced Socket with SocketHandle.
	* src/FtpConnection.cc
	(FtpConnection): Replaced Socket with SocketHandle.
	(sendPort): Removed the allocation of serverSocket. Removed try-catch
	block.
	* src/InitiateConnectionCommandFactory.cc
	(DlAbortEx.h): Included DlAbortEx.h.
	(createInitiateConnectionCommand): Throw exception if the protocol of
	requested URI is not supported.
	* src/Peer.cc
	(nullPeer): Changed its type to PeerHandle.
	(operator==): New function.
	(operator!=): New function.
	* src/Peer.h
	(SharedHandle.h): Included SharedHandle.h.
	(operator==): New function.
	(operator!=): New function.
	(Peer): Added the default constructor.
	Use resetStatus() to initialize member variables.
	(nullPeer): Removed.
	* src/TrackerUpdateCommand.cc
	(execute): Brushed up using SharedHandle. Replaced MAX_PEER_UPDATE
	with MIN_PEERS.
	* src/PeerListenCommand.h
	(socket): Changed its type to SocketHandle.
	* src/Command.h
	(CommandUuid): New type definition.
	(uuid): New variable.
	(uuidGen): New variable.
	(Command): Added the initialization of uuid.
	(getUuid): New function.
	* src/Socket.h
	(Socket): Removed.
	(SocketHandle): New type definition.
	* src/DownloadEngine.h
	(FindCommand): New function object.
	(run): The portion of socket check was rewritten.
	(SetDescriptor): New function object.
	(AccumulateActiveCommandUuid): New function object.
	(waitData): Rewritten.
	(addSocket): Rewritten.
	(deleteSocket): Rewritten.
	(addSocketForReadCheck): Rewritten.
	(addSocketForWriteCheck): Rewritten.
	(deleteSocketForReadCheck): Rewritten.
	(deleteSocketForWriteCheck): Rewritten.
	* src/HttpProxyResponseCommand.h
	(HttpProxyResponseCommand): Replaced Socket with SocketHandle.
	* src/HttpConnection.h
	(socket): Changed its type to SocketHandle.
	(HttpConnection): Replaced Socket with SocketHandle.
	* src/PeerInitiateConnectionCommand.cc
	(PeerInitiateConnectionCommand): Replaced Peer with PeerHandle.
	(executeInternal): Removed the allocation of socket.
	(prepareForNextPeer): Use PeerHandle.
	* src/PeerMessage.h
	(peer): Changed its type to PeerHandle.
	(getPeer): Replaced Peer with PeerHandle.
	(setPeer): Replaced Peer with PeerHandle.
	* src/DownloadCommand.cc
	(DownloadCommand): Replaced Socket with SocketHandle.
	* src/FtpConnection.h
	(socket): Changed its type to SocketHandle.
	(FtpConnection): Replaced Socket with SocketHandle.
	(sendPort); Replaced Socket with SocketHandle.
	* src/FtpDowndloadCommand.h
	(ctrlSocket): Changed its type to SocketHandle.
	(FtpDownloadCommand): Replaced Socket with SocketHandle.
	* src/HttpProxyRequestCommand.cc
	(HttpProxyRequestCommand): Replaced Socket with SocketHandle.
	* src/FtpTunnelRequestCommand.h
	(FtpTunnelRequestCommand): Replaced Socket with SocketHandle.
	
	etc
	
	* src/PeerChokeCommand.h
	(setAllPeerChoked): Removed.
	(setAllPeerResetDelta): Removed.
	* src/PeerChokeCommand.cc
	(setAllPeerChoked): Removed.
	(ChokePeer): New function object.
	(setAllPeerResetDelta): Removed.
	(ResetDelta): New function object.
	(orderByDownloadRate): Fixed a bug: use DowloadFaster, not UploadFaster
	(execute): Show download speed when the local node is a seeder.
	setAllPeerChoked and setAllPeerResetDelta were rewritten
	using STL.
	* src/TrackerWatcherCommand.h
	(MIN_PEERS): Removed.
	* src/TorrentMan.cc
	(getPeer): Replaced MAX_PEER_UPDATE with MIN_PEERS.
	
2006-07-07  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	To fix the bug that .aria2 file is not saved if downloading is stopped
	by the errors:it results that aria2 can not resume downloading:
	
	* src/main.cc
	(normalDownload): Added the call to save().
	(main): Added the deletion of the elements in 'reserved'.

	To fix log:

	* src/PeerInteraction.cc
	(receiveHandshake): Fixed log.

2006-07-05  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	To improve download performance in BitTorrent:
	
	* src/TorrentMan.cc
	(getPeer): Check the number of connections. Return nullPeer if
	it is greater than MAX_PEER_UPDATE.
	This code was originally here, but was removed in 0.5.1.

2006-07-04  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

        To improve the conditional compilation:

	* src/MultiDiskWriter.h:
	Replaced ENABLE_SHA1DIGEST with ENABLE_MESSAGE_DIGEST.	
	* src/MultiDiskWriter.cc:
	Replaced ENABLE_SHA1DIGEST with ENABLE_MESSAGE_DIGEST.
	* src/Util.h:
	Replaced ENABLE_SHA1DIGEST with ENABLE_MESSAGE_DIGEST.
	Added ENABLE_BITTORRENT around computeFastSet().
	* src/Util.cc:
	Replaced ENABLE_SHA1DIGEST with ENABLE_MESSAGE_DIGEST.
	Added ENABLE_BITTORRENT around computeFastSet().	
	* src/messageDigest.h:
	Replaced ENABLE_BITTORRENT with ENABLE_SSL.
	* src/ShaVisitor.h:
	Replaced ENABLE_SHA1DIGEST with ENABLE_MESSAGE_DIGEST.
	* src/ShaVisitor.cc:
	Replaced ENABLE_SHA1DIGEST with ENABLE_MESSAGE_DIGEST.
	* src/main.cc:
	Added ENABLE_BITTORRENT around includes and blocks related to
	BitTorrent.
	Added ENABLE_MESSAGE_DIGEST to skip checksum checking when the message
	digest support is not available.
	* src/AbstractDiskWriter.h:
	Replaced ENABLE_SHA1DIGEST with ENABLE_MESSAGE_DIGEST.
	* src/AbstractDiskWriter.cc:
	Replaced ENABLE_SHA1DIGEST with ENABLE_MESSAGE_DIGEST.
	* src/MetalinkEntry.cc
	(check): Added ENABLE_MESSAGE_DIGEST. Return true if the message digest
	support is not available.
	
	To add command-line options for Metalink:

	* src/main.cc:
	Added metalink-version, metalink-language, metalink-os,
	follow-metalink.

	To use EXIT_SUCCESS and EXIT_FAILURE with exit():

	* src/main.cc: Use these definition.

	* Release 0.6.0
	
2006-07-03  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	To add Metalink support(http/ftp only):

	* src/AbstractCommand.h
	(tryReserved): New function.
	* src/AbstractCommand.cc
	(execute): Call tryReserved().
	(tryReserved): New function.
	* src/Request.h
	(Requests): New type definition.
	* src/SegmentMan.h
	(reserved): New variable.
	* src/Util.h
	(fileChecksum): New function.
	(toUpper): New function.
	(toLower): New function.
	* src/Util.cc
	(messageDigest.h): Included.
	(trim): Trim \r\n\t.
	(fileChecksum): New function.
	(toUpper): New function.
	(toLower): New function.
	* src/main.cc
	(normalDownload): New function.
	(main): Added 2 command-line options: metalink-file,
	metalink-connection. Their usage has not been written yet.
	* src/MetalinkProcessor.h: New class.
	* src/Xml2MetalinkProcessor.h: New class.
	* src/Xml2MetalinkProcessor.cc: New class.
	* src/MetalinkEntry.h: New class.
	* src/MetalinkEntry.cc: New class.
	* src/MetalinkResource.h: New class.
	* src/MetalinkResource.cc: New class.
	
	To add md5 message digest checking:

	* src/messageDigest.h: Rewritten.
	* src/MultiDiskWriter.cc: Updated according to the changes in
	messageDigest.h.
	* src/ShaVisitor.cc: Updated according to the changes in
	messageDigest.h.
	* src/Util.cc: Updated according to the changes in messageDigest.h.
	* src/AbstractDiskWriter.cc: Updated according to the changes in
	messageDigest.h.
	
	To fix a bug that causes segfault when the payload length in peer
	message is less than 0:

	* src/PeerConnection.cc:
	(receiveMessage): Fixed the bug.
	* src/PeerMessageUtil.cc
	(checkLength): Throw an exception if length is less than or equals to
	0.
	
	To add new interfaces to Base64 encoding/decoding:

	* src/Base64.h
	(part_encode): Changed the method signature.
	(encode): New function(overload).
	(decode): New function(overload).
	* src/Base64.cc
	(part_encode): Rewritten.
	(encode): Rewritten.
	(encode): New function(overload).

	To prevent a peer to download same piece if there is an error in
	checksum:

	* src/PieceMessage.cc
	(receivedAction): Call peerInteraction->abortPiece().
	
2006-06-25  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

        To fix the bug that causes same have message is sent many times to
	a single peer.

	* src/Time.cc
	(isNewer): Use Util::difftv().
	* src/Util.cc
	(difftv): Added a cast to (long long int).
	* src/TorrentMan.cc
	(advertisePiece): Use push_front.
	(getAdvertisedPieceIndexes): A performance improvement was made.
	
	To fix the bug that sends tracker requests without a sleep interval
	when the number of connections is less than 15.

	* src/TrackerWatcherCommand.cc
	(execute): Now the number of connections is not a factor to decide
	whether or not a tracker request should be sent or not.
	* src/Time.h
	(setTimeInSec): New function.
	* src/Time.cc
	(setTimeInSec): New function.

	etc.
	
	* src/ChokeMessage.cc
	(receivedAction): Removed peer->snubbing = false

	* src/PeerConnection.h
	(receiveHandshake): Updated doc.

	* src/TorrentMan.h
	(getAdvertisedPieceIndexes): Updated the method signature.
	* src/TorrentMan.cc
	(getAdvertisedPieceIndexes): Updated the method signature.

	* src/Time.h
	(getTimeInMicros): Added a cast to (long long int).
	(getTimeInMillis): Added a cast to (long long int).
	
	* Release 0.5.2
	
2006-06-22  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	To make a listening socket non-block:
	
	* src/SocketCore.h
	(setNonBlockingMode): New function.
	* src/SocketCore.cc
	(setNonBlockingMode): New function.
	(beginListen): Added a call to setNonBlockingMode().
	(acceptConnection): Call setNonBlockingMode().
	(setBlockingMode): Updated.

	To handle tracker's NAT-checking:
	
	* src/PeerConnection.cc
	(receiveHandshake): 'msg' param is filled with received data and
	its length is assigned to 'length' param, even if all handshake
	message is not yet received.
	* src/PeerInteractionCommand.cc
	(executeInternal): Use peerInteraction->receiveHandshake(true) when
	a new peer connects to localhost.
	A call to peerInteraction->sendHandshake() was removed because 
	it is called from peerInteraction->receiveHandshake(true).
	* src/PeerInteraction.h
	(quickReplied): New variable.
	(receiveHandshake): Added an argument.
	* src/PeerInteraction.cc
	(PeerInteraction): Added the initialization of quickReplied.
	(receiveHandshake): Send handshake message as soon as the info hash
	in a handshake message from a peer is correct.

	
	To change the random part of peer id and key parameter:

	* src/TorrentMan.h
	(key): New variable.
	* src/TorrentMan.cc
	(setupInternal1): Use Util::randomAlpha() to generate random part
	of peer id, which is now "-aria2-"+13 alphabet characters([A-Za-z]).
	key is also generated by Util::randomAlpha() and it is now 8 character
	long.
	* src/Util.h
	(randomAlpha): New function.
	* src/Util.cc
	(randomAlpha): New function.
	* src/TrackerWatcherCommand.cc
	(execute): In a tracker request: Use torrentMan->key as key parameter.
	Added no_peer_id=1.
	
	Set snubbing flag to false when a choke message is received from a
	snubbed peer.

	* src/ChokeMessage.cc
	(receivedAction): Set snubbing flag to false.
	
2006-06-18  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* src/TorrentMan.cc (setupInternal1): Fixed peerId generation bug.

	* src/SimpleLogger.h (writeHeader): New function.
	* src/SimpleLogger.cc (writeHeader): New function.
	(writeLog): Fixed the bug that causes segfaults if exception message
	contains an unescaped "%" character.

	* src/TrackerWatcherCommand.cc (execute): Added a short sleep
	when a tracker request fails.

	* src/Request.cc (parseUrl): Query string is now handled properly.

	* Release 0.5.1
	
2006-06-12  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>
	
	To add Time class which represents a specific instant in time and
	its precision is microseconds. Time checking procedures were rewritten
	using this object.

	* src/Time.h: New class.
	* src/Time.cc: New class.
	* src/AbstractCommand.h
	(updateCheckPoint): Removed.
	(isTimeoutDetected): Removed.
	(checkPoint): Changed the type to Time.
	(timeout): New variable.
	(setTimeout): New function.
	* src/AbstractCommand.cc
	(AbstractCommand): Removed the initialization of checkPoint.
	Added the initialization of timeout.
	(updateCheckPoint): Removed.
	(isTimeoutDetected): Removed.
	(execute): Use checkPoint.reset() and checkPoint.elapsed().
	* src/PeerChokeCommand.h
	(checkPoint): Changed the type to Time.
	* src/PeerChokeCommand.cc
	(PeerChokeCommand): Removed the initialization of checkPoint.
	(execute): Rewritten using Time object.
	* src/TrackerWatcherCommand.h
	(checkPoint): Changed the type to Time.
	* src/TrackerWatcherCommand.cc
	(TrackerWatcherCommand): Removed the initialization of checkPoint.
	(execute): Rewritten.
	* src/ConsoleDownloadEngine.h
	(cp): Changed the type to Time.
	(startup): Changed the type to Time.
	* src/ConsoleDownloadEngine.cc
	(initStatistics): Use cp.reset(), startup.reset().
	(calculateStatistics): Rewritten using Time object.
	* src/PeerAbstractCommand.h
	(updateCheckPoint): Removed.
	(isTimeoutDetected): Removed.
	(checkPoint): Changed the type to Time.
	* src/PeerAbstractCommand.cc
	(PeerAbstractCommand): Removed the initialization of checkPoint.
	(updateCheckPoint): Removed.
	(isTimeoutDetected): Removed.
	(execute): Use checkPoint.reset() and checkPoint.elapsed().
	* src/PeerInteractionCommand.cc
	(PeerInteractionCommand): Removed the initializations of struct
	timeval variables.
	* src/PeerInteractionCommand.h
	(keepAliveCheckPoint): Changed the type to Time.
	(chokeCheckPoint): Changed the type to Time.
	(freqCheckPoint): Changed the type to Time.
	(haveCheckTime): Changed the type to Time.
	* src/PeerInteractionCommand.cc
	(executeInternal): Rewritten using Time object.
	(detectMessageFlooding): Rewritten using Time object.
	(checkLongTimePeerChoking): Rewritten using Time object.
	(sendKeepAlive): Rewritten using Time object.
	(checkHave): Rewritten using Time object.
	* src/SleepCommand.h
	(checkPoint): Changed the type to Time.
	* src/SleepCommand.cc
	(SleepCommand): Removed the initialization of checkPoint.
	(execute): Rewritten using Time object.
	* src/TorrentAutoSaveCommand.h
	(checkPoint): Changed the type to Time.
	* src/TorrentAutoSaveCommand.cc
	(TorrentAutoSaveCommand): Removed the initialization of checkPoint.
	(execute): Rewritten.
	* src/DownloadCommand.h
	(sw): Changed the type to Time.
	* src/DownloadCommand.cc
	(DownloadCommand): Removed the initialization of sw.
	(executeInternal): Rewritten.
	* src/RequestSlot.h
	(dispatchedTime): Changed the type to Time.
	* src/RequestSlot.cc
	(RequestSlot): Removed the call to setDispatchedTime().
	(setDispatchedTime): Rewirtten.
	(isTimeout): Rewritten.
	(getLatencyInMillis): Rewritten.
	* src/TorrentDownloadEngine.h
	(cp): Changed the type to Time[2].
	(startup): Changed the type to Time.
	* src/TorrentDownloadEngine.cc
	(initStatistics): Rewritten.
	(calculateStatistics): Rewritten.
	* src/DownloadEngine.cc
	(run): Rewritten.
	
	To detect all attempts to connect to the tracker are failed:

	* src/AbstractCommand.cc
	(execute): Increment e->segmentMan->errors if a command aborted.
	* src/SegmentMan.h
	(errors): New variable.
	* src/SegmentMan.cc
	(SegmentMan): Added the initialization of errors.
	(init): Added the initialization of errors.
	* src/TrackerWatcherCommand.cc
	(execute): If e->segmentMan->errors > 0 then assume that the tracker
	request was failed.
	
	To handle snubbed peers:
	
	* src/PeerChokeCommand.cc
	(optUnchokingPeer): Snubbed peers don't get unchoked.
	(execute): Snubbed peers don't get unchoked.
	* src/PeerInteraction.h
	(REQUEST_TIME_OUT): Changed the value from 120 to 60.
	* src/PeerInteraction.cc
	(checkRequestSlot): A peer get marked as "snubbed" if it doesn't send
	back the requested 16k block in 60 seconds.
	* src/PieceMessage.cc
	(receivedAction): A peer's snubbed state is cleard if it sends
	the requested 16k block in 60 seconds.
	* src/Peer.h
	(snubbing): New variable.
	* src/Peer.cc
	(resetStatus): Added snubbed = false.
	
	To fix the bug that causes have message is not sent:

	* src/PeerInteractionCommand.cc
	(~PeerInteractionCommand): Removed e->torrentMan->unadvertisePiece().
	(FLOODING_CHECK_INTERVAL): New definition(temporal).
	(detectMessageFlooding): Use FLOODING_CHECK_INTERVAL.
	* src/TorrentMan.h
	(HaveEntry): New class.
	(advertisePiece): Rewritten.
	(getAdvertisedPieceIndexes): Rewritten.
	(Haves): Changed the type.
	(getAdvertisedPieceIndexes): Added an argument.
	
	Others:
	
	* src/TorrentMan.h
	(DEFAULT_ANNOUNCE_INTERVAL): Changed the value to 1800.
	(DEFAULT_ANNOUNCE_MIN_INTERVAL): Changed the value to 1800.
	* src/TorrentMan.cc
	(getPeer): Don't check the number of connections here.
	(setupInternal1): Changed peerId.

	* src/PeerInteractionCommand.h
	(KEEP_ALIVE_INTERVAL): New definition.
	(sendKeepAlive): Use KEEP_ALIVE_INTERVAL.

	* src/main.cc
	(main): SA_ONESHOT was replaced with SA_RESETHAND.

	* src/DownloadEngine.h: Removed unnecessary header includes.
	
2006-05-29  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	To fix the bug that causes segfaults if a tracker returns a zero-length
	list as "peers":
	
	* src/TrackerUpdateCommand.cc
	(execute): Added a check to see wether the type of peers is Data*.

2006-05-27  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* Release 0.5.0

	To fix compile issue with gcc3:

	* src/CancelMessage.h
	(ID): Renamed as ID_t
	(ID_t): New enum.
	* src/RejectMessage.h
	(ID): Renamed as ID_t
	(ID_t): New enum.
	* src/SuggestPieceMessage.h
	(ID): Renamed as ID_t
	(ID_t): New enum.
	* src/AllowedFastMessage.h
	(ID): Renamed as ID_t
	(ID_t): New enum.
	* src/PortMessage.h
	(ID): Renamed as ID_t
	(ID_t): New enum.
	* src/HaveNoneMessage.h
	(ID): Renamed as ID_t
	(ID_t): New enum.
	* src/KeepAliveMessage.h
	(ID): Renamed as ID_t
	(ID_t): New enum.
	* src/HaveAllMessage.h
	(ID): Renamed as ID_t
	(ID_t): New enum.
	* src/UnchokeMessage.h
	(ID): Renamed as ID_t
	(ID_t): New enum.
	* src/BitfieldMessage.h
	(ID): Renamed as ID_t
	(ID_t): New enum.
	* src/PieceMessage.h
	(ID): Renamed as ID_t
	(ID_t): New enum.
	* src/RequestMessage.h
	(ID): Renamed as ID_t
	(ID_t): New enum.
	* src/NotInterestedMessage.h
	(ID): Renamed as ID_t
	(ID_t): New enum.
	* src/ChokeMessage.h
	(ID): Renamed as ID_t
	(ID_t): New enum.
	* src/InterestedMessage.h
	(ID): Renamed as ID_t
	(ID_t): New enum.
	* src/HaveMessage.h
	(ID): Renamed as ID_t
	(ID_t): New enum.
	
2006-05-26  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* src/PeerAbstractCommand.h
	(beforeSocketCheck): Removed.
	* src/PeerAbstractCommand.cc
	Modified in order to call executeInternal() even if socket check
	and upload limit check fail.
	* src/PeerInteractionCommand.h
	(keepAlive): Removed.
	(sendKeepAlive): New function.
	(checkHave): New function.
	(beforeSocketCheck): Removed.
	* src/PeerInteractionCommand.cc
	(executeInternal): Use peerInteraction->checkRequestSlot(). Added
	calls to checkHave() and sendKeepAlive().
	(keepAlive): Renamed to sendKeepAlive().
	(sendKeepAlive): New function.
	(beforeSocketCheck): Removed.
	(checkHave): New function.
	* src/BitfieldMan.cc
	(getMissingIndex): Don't call getMissingIndexRandomly() if max is 0.
	(getMissingUnusedIndex): Don't call getMissingIndexRandomly() if max is
	0.
	(getMissingIndex): Dont't call getMissingIndexRandomly() if max is 0.
	* src/TorrentMan.h
	(UsedPieces): Removed.
	(Pieces): New type definition.
	* src/Piece.h: Updated doc.
	* src/Peer.h
	(totalLength): Removed.
	* src/Peer.cc
	(updateLatency): Fixed the latency calculation.
	* src/TorrentMan.cc
	(addPeer): Call deleteOldErrorPeers() only if peers.size() is higher
	than or equal to MAX_PEER_LIST_SIZE.
	If duplicate is false and peer.size() >= MAX_PEER_LIST_SIZE,
	then return false.
	(deleteOldErrorPeers): Rewritten.
	(deleteUsedPiece): Fixed the miss use of STL remove.
	* src/PeerInteraction.h
	(Pieces): Removed.
	(deleteTimeoutRequestSlot): Removed.
	(deleteCompletedRequestSlot): Removed.
	(checkRequestSlot): New function.
	* src/PeerInteraction.cc
	(deleteTimeoutRequestSlot): Merged to checkRequestSlot().
	(deleteCompletedRequestSlot): Merged to checkRequestSlot().
	(checkRequestSlot): New function.
	* src/DownloadEngine.cc
	(run): Clear activeSockets before calling waitData().
	(waitData): Removed a call to activeSockets.clear().
	
2006-05-24  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	To attempt to handle EINTR:
	
	* src/SocketCore.cc
	(isReadable): Added EINTR handling.
	(isWritable): Added EINTR handling.

	To improve the performance:
	
	* src/AbstractCommand.cc
	(isTimeoutDetected): Use Util::difftvsec() instead of Util::difftv().
	* src/PeerInteractionCommand.h
	(receiveMessage): Renamed as receiveMessages().
	(receiveMessages): New function.
	* src/PeerInteractionCommand.cc
	(executeInternal): receiveMessage loop is moved to new receiveMessages
	() function. detectMessageFlooding() is moved here.
	(detectMessageFlooding): Use Util::difftvsec() instead of Util::difftv
	(). The flooding detection for have message is comment out.
	(checkLongTimePeerChoking): Use Util::difftvsec() instead of
	Util::difftv().
	(receiveMessage): Renamed as receiveMessages().
	(receiveMessages): New function.
	(keepAlive): Use Util::difftvsec() instead of Util::difftv().
	(beforeSocketCheck): Commented out checkLongTimePeerChoking().
	* src/SleepCommand.cc
	(execute): Use Util::difftvsec() instead of Util::difftv().
	* src/BitfieldMan.h
	(getNthBitIndex): New function.
	(hasMissingPiece): New function.
	(getAllMissingIndexes): New function.
	* src/BitfieldMan.cc
	(countSetBit): Rewritten.
	(getNthBitIndex): New function.
	(getMissingIndexRandomly): Rewritten.
	(hasMissingPiece): New function.
	(getAllMissingIndexes): New function.
	* src/TorrentMan.cc
	(hasMissingPiece): New function.
	(deleteUsedPiece): Rewritten using STL.
	* src/PeerInteraction.cc
	(getNewPieceAndSendInterest): Use TorrentMan::hasMissingPiece(), which
	is a little bit faster then TorrentMan::getMissingPieceIndex().
	(addRequests): Updated the number of pending requests.
	* src/PeerAbstractCommand.cc
	(isTimeoutDetected): Use Util::difftvsec() instead of Util::difftv().
	(execute): Returns true if TorrentMan::isHalt() is true.
	Corrected the condition of upload limit checking.
	* src/Util.h
	(countBit): New function.
	* src/Util.cc
	(nbits): New variable.
	(countBit): New function.
	* src/DownloadEngine.h
	(SockCmdMap): New type definition.
	(waitData): Added an argument.
	(addSocket): Added an argument.
	(addSocketForReadCheck): Added an argument.
	(addSocketForWriteCheck): Added an argument.
	* src/DownloadEngine.cc
	(run): Executes only commands whose sockets are ready to read or write.
	All commands are executed in every 1 second.
	(waitData): Calls select() again if it returned
	EINTR.
	(addSocket): Saves socket and command object pair to the map.
	(deleteSocket): Deletes socket and command object pair from the map.
	(addSocketForReadCheck): Added an argument.
	(addSocketForWriteCheck): Added an argument.
	* src/DownloadCommand.cc
	(executeInternal): Use Util::difftvsec() instead of Util::difftv().
	
	To send "event=stopped" to the tracker when the application finishes:
	
	* src/PeerChokeCommand.h
	(checkPoint): New variable.
	* src/PeerChokeCommand.cc
	(PeerChokeCommand): Added the initialization of checkPoint.
	(execute): The interval check is now done by checkPoint, not
	SleepCommand. Return true if TorrentMan::isHalt() is true.
	* src/TorrentMan.h
	(halt): New function.
	(hasMissingPiece): New function.
	(isHalt): New function.
	(setHalt): New function.
	* src/TorrentMan.cc
	(TorrentMan): Added the initialization of halt.
	* src/TorrentAutoSaveCommand.h
	(checkPoint): New variable.
	* src/PeerListenCommand.cc
	(execute): Returns true if TorrentMan::isHalt() is true.
	* src/main.cc
	(setSignalHander): Added flags argument.
	(torrentHandler): Just calls TorrentMan::setHalt(true) and returns.
	(main): Set SA_ONESHOT flag of the signal hander of SIGINT and SIGTERM.
	Removed printDownloadAbortMessage() after torrent downloading loop.
	* src/TorrentAutoSaveCommand.cc
	(TorrentAutoSaveCommand): Added the initialization of checkPoint.
	(execute): Returns true if TorrentMan::isHalt() is true.
	The interval check is now done by checkPoint, not SleepCommand.
	* src/TrackerWatcherCommand.cc
	(execute): If TorrentMan::isHalt(), then create a tracker request with
	event=stopped.
	* src/TrackerUpdateCommand.cc
	(prepareForRetry): Do not use SleepCommand here.
	(execute): Returns true if TorrentMan::isHalt() is true.
	
	Others:
	
	* src/TorrentMan.cc
	(getMissingPieceIndex): Updated log message.
	* src/PeerInteraction.cc
	(createPeerMessag): Updated log message.
	
2006-05-20  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	To add the ability to download several pieces in mix in a command and
	increase the number of request slots according to request-cancel
	latency:
	
	* src/PeerInteractionCommand.cc
	(executeInternal): The number of messages to be received at a time
	is increased from 10 to 50.
	* src/LogFactory
	(getInstance): Added NullLogger.
	* src/NullLogger.h: New class.
	* src/BitfieldMan.h
	(getMissingIndex): New function.
	* src/BitfieldMan.cc
	(getMissingIndex): New function.
	* src/TorrentMan.h
	(checkOutPiece): New function.
	(getMissingPieceIndex): New function.
	(getMissingFastPieceIndex): New function.
	(getMissingFastPiece): New function.
	* src/TorrentMan.cc
	(updatePiece): Rewritten using STL.
	(syncPiece): Rewritten using STL.
	(getMissingPiece): Rewritten using getMissingPieceIndex() and
	checkOutPiece().
	(getMissingPieceIndex): New function.
	(getMissingFastPieceIndex): New function.
	(getMissingFastPiece): New function.
	(checkOutPiece): New function.
	* src/PeerInteraction.h
	(Pieces): New type definition.
	(piece): Removed.
	(pieces): New variable.
	(getNewPieceAndSendInterest): Added the "piece" argument.
	(abortPiece): Added the "piece" argument.
	(abortAllPieces): New function.
	(isInRequestSlot): New function.
	(hasDownloadPiece): Added the "index" argument.
	(setDownloadPiece): Removed.
	(getDownloadPiece): Added the "index" argument.
	(updatePiece): New function.
	(createRequestMessage): Added the "index" argument.
	* src/PeerInteraction.cc
	(onChoked): Rewritten.
	(abortPiece): Rewirtten.
	(abortAllPieces): New function.
	(deleteTimeoutRequestSlot): Rewritten.
	Clarified code a little bit.
	(deleteCompletedRequestSlot): Rewritten.
	(isInRequestSlot): New function.
	(syncPiece): Rewritten.
	(updatePiece): New function.
	(getNewPieceAndSendInterest): Rewritten.
	(addRequests):  Rewritten.
	(getDownloadPiece): Rewritten.
	(hasDownloadPiece): Rewritten.
	(createRequestMessage): Added the "index" argument.
	* src/common.h
	(BITFIELD_LEN_FROM_PIECES): Enclosed the variable in parentheses.
	(DIV_FLOOR): New definition.
	* src/PieceMessage.cc
	(receivedAction): Update request-piece latency here.
	* src/RequestSlot.h
	(getLatencyInMillis): New function.
	* src/RequestSlot.cc
	(isTimeout): Rewritten using getLatencyInMillis.
	(getLatencyInMillis): New function.
	* src/Piece.h
	(operator==): New function.
	(getMissingBlockIndex): New function.
	* src/Piece.cc
	(operator==): New function.
	(getMissingBlockIndex): New function.
	* src/Peer.h
	(DEFAULT_LATENCY): New definition.
	(latency): New variable.
	(updateLatency): New function.
	(getLatency): New function.
	* src/Peer.cc
	(resetStatus): Reset latecy.
	(updateLatency): New function.
	
2006-05-20  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* src/SocketCore.cc
	(isReadable): Added secure to the condition.
	* src/HttpConnection.cc
	(receiveResponse): Fixed a bug that causes no response header
	exception.
	* src/Peer.h
	(getFastSet): Fixed the return value type.
	
2006-05-18  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	To remove a wait from download loop:

	* src/DownloadEngine.cc
	(run): Comment out shortSleep.
	
        To rewrite the message handling:

	* src/SimplePeerMessage.h: New class.
	* src/SimplePeerMessage.cc: New class.
	* src/CancelMessage.h: Derived from SimplePeerMessage.
	(msg): New variable.
	(create): New function.
	(send): Removed.
	(getMessage): New function.
	(getMessageLength): New function.
	* src/CancelMessage.cc
	(create): New function.
	(receivedAction): Replaced deleteRequestMessageInQueue with
	rejectPieceMessageInQueue.
	(send): Removed.
	(getMessage): New function.
	(getMessageLength): New function.
	* src/BitfieldMessage.h: Derived from SimplePeerMessage.
	(msg): New variable.
	(msgLength): New variable.
	(~BitfieldMessage): Deleted msg.
	(send): Removed.
	(getMessage): New function.
	(getMessageLength): New function.
	* src/BitfieldMessage.cc
	(create): New function.
	(send): Removed.
	(getMessage): New function.
	(getMessageLength): New function.
	* src/ChokeMessage.h: Derived from SimplePeerMessage.
	(msg): New variable.
	(sendPredicate): New function.
	(onSendComplete): New function.
	(send): Removed.
	(getMessage): New function.
	(getMessageLength): New function.
	(create): New function.
	* src/ChokeMessage.cc
	(create): New function.
	(send): Removed.
	(sendPredicate): New function.
	(getMessage): New function.
	(getMessageLength): New function.
	(onSendComplete): New function.
	* src/KeepAliveMessage.h: Derived from SimplePeerMessage.
	(msg): New variable.
	(send): Removed.
	(getMessage): New function.
	(getMessageLength): New function.	
	* src/KeepAliveMessage.cc
	(send): Removed.
	(getMessage): New function.
	(getMessageLength): New function.
	* src/PortMessage.h
	(create): New function.
	(receivedAction): Updated log message.
	* src/PortMessage.cc: New file.
	* src/UnchokeMessage.h: Derived from SimplePeerMessage.
	(msg): New variable.
	(sendPredicate): New function.
	(onSendComplete): New function.
	(create): New function.
	(send): Removed.
	(getMessage): New function.
	(getMessageLength): New function.
	* src/UnchokeMessage.cc
	(create): New function.
	(send): Removed.
	(sendPredicate): New function.
	(getMessage): New function.
	(getMessageLength): New function.
	(onSendComplete): New function.
	* src/PieceMessage.h
	(leftPieceDataLength): Removed.
	(leftDataLength): New variable.
	(headerSend): New variable.
	(pendingCount): New variable.
	(msgHeader): New variable.
	(sendPieceData): New function.
	(incrementPendingCount): New function.
	(isPendingCountMax): New function.
	(create): New function.
	(getMessageHeader): New function.
	(getMessageHeaderLength): New function.
	* src/PieceMessage.cc
	(create): New function.
	(getMessageHeader): New function.
	(getMessageHeaderLength): New function.
	(send): Rewritten.
	(sendPieceData): New function.
	* src/HaveMessage.h: Derived from SimplePeerMessage.
	(msg): New variable.
	(create): New function.
	(getMessage): New function.
	(getMessageLength): New function.
	* src/HaveMessage.cc
	(create): New function.
	(send): Removed.
	(sendPieceData): New function.
	(getMessage): New function.
	(getMessageLength): New function.
	* src/RequestMessage.h: Derived from SimplePeerMessage.
	(msg): New variable.
	(create): New function.
	(send): Removed.
	(getMessage): New function.
	(getMessageLength): New function.
	* src/RequestMessage.cc
	(create): New function.
	(receivedAction): Added the handling of fast extension.
	Deleted torrentMan->addUploadLength, torrentMan->addDeltaUploadLength.
	(send): Removed.
	(getMessage): New function.
	(getMessageLength): New function.
	* src/InterestedMessage.h: Derived from SimplePeerMessage.
	(msg): New variable.
	(sendPredicate): New function.
	(onSendComplete): New function.
	(create): New function.
	(getMessage): New function.
	(getMessageLength): New function.
	* src/InterestedMessage.cc
	(create): New function.
	(send): Removed.
	(sendPieceData): New function.
	(getMessage): New function.
	(getMessageLength): New function.
	(onSendComplete): New function.
	* src/NotInterestedMessage.h: Derived from SimplePeerMessage.
	(msg): New variable.
	(sendPieceData): New function.
	(onSendComplete): New function.
	(create): New function.
	(send): Removed.
	(getMessage): New function.
	(getMessageLength): New function.
	* src/NotInterestedMessage.cc
	(create): New function.
	(send): Removed.
	(sendPredicate): New function.
	(getMessage): New function.
	(getMessageLength): New function.
	(onSendComplete): New function.
	* src/AllowedFastMessage.h: New class.
	* src/AllowedFastMessage.cc: New class.
	* src/RejectMessage.h: New class.
	* src/RejectMessage.cc: New class.
	* src/SuggestPieceMessage.h: New class.
	* src/SuggestPieceMessage.cc: New class.
	* src/HaveAllMessage.h: New class.
	* src/HaveAllMessage.cc: New class.
	* src/HaveNoneMessage.h: New class.
	* src/HaveNoneMessage.cc: New class.
	* src/HandshakeMessage.h: Derived from SimplePeerMessage.
	(msg): New variable.
	(reserved): New variable.
	(create): New function.
	(getId): New function.
	(receivedAction): New function.
	(getMessage): New function.
	(getMessageLength): New function.
	(isFastExtensionSupported): New function.
	* src/HandshakeMessage.cc
	(HandshakeMessage): Moved here from HandshakeMessage.h.
	(create): New function.
	(getMessage): New function.
	(getMessageLength): New function.
	(toString): Added the output of reserved field.
	(check): Added const qualifier.
	(isFastExtensionSupported): New function.
	* src/PeerMessageUtil.h
	(createChokeMessage): Removed.
	(createUnchokeMessage): Removed.
	(createInterestedMessage): Removed.
	(createNotInterestedMessage): Removed.
	(createHaveMessage): Removed.
	(createBitfieldMessage): Removed.
	(createRequestMessage): Removed.
	(createCancelMessage): Removed.
	(createPieceMessage): Removed.
	(createPortMessage): Removed.
	(createChokeMessage): Removed.
	(createUnchokeMessage): Removed.
	(createInterestedMessage): Removed.
	(createNotInterestedMessage): Removed.
	(createHaveMessage): Removed.
	(createBitfieldMessage): Removed.
	(createRequestMessage): Removed.
	(createCancelMessage): Removed.
	(createPieceMessage): Removed.
	(createKeepAliveMessage): Removed.
	(createHandshakeMessage): Removed.
	(setIntParam): New function.
	(createPeerMessageString): New function.
	* src/PeerMessageUtil.cc
	(createChokeMessage): Removed.
	(createUnchokeMessage): Removed.
	(createInterestedMessage): Removed.
	(createNotInterestedMessage): Removed.
	(createHaveMessage): Removed.
	(createBitfieldMessage): Removed.
	(createRequestMessage): Removed.
	(createCancelMessage): Removed.
	(createPieceMessage): Removed.
	(createPortMessage): Removed.
	(createRequestMessage): Removed.
	(createCancelMessage): Removed.
	(createPieceMessage): Removed.
	(createHaveMessage): Removed.
	(createChokeMessage): Removed.
	(createUnchokeMessage): Removed.
	(createInterestedMessage): Removed.
	(createNotInterestedMessage): Removed.
	(createBitfieldMessage): Removed.
	(createKeepAliveMessage): Removed.
	(createHandshakeMessage): Removed.
	(setIntParam): New function.
	(createPeerMessageString): New function.
	* src/PeerConnection.h
	(peer): Removed.
	(torrentMan): Removed.
	(createNLengthMessage): Removed.
	(setIntParam): Removed.
	(writeOutgoingMessageLog): Removed all overloaded functions.
	(PeerConnection): Deleted peer and torrentMan from its arguments.
	(sendMessage): New function.
	(sendHandshake): Removed.
	(sendKeepAlive): Removed.
	(sendChoke): Removed.
	(sendUnchoke): Removed.
	(sendInterested): Removed.
	(sendNotInterested): Removed.
	(sendHave): Removed.
	(sendBitfield): Removed.
	(sendRequest): Removed.
	(sendPiece): Removed.
	(sendPieceHeader): Removed.
	(sendPieceData): Removed.
	(sendCancel): Removed.
	(getPeer): Removed.
	* src/PeerConnection.cc
	(PeerConnection): Deleted peer and torrentMan from its arguments.
	(sendHandshake): Removed.
	(sendKeepAlive): Removed.
	(createNLengthMessage): Removed.
	(setIntParam): Removed.
	(writeOutgoingMessageLog): Removed all overloaded functions.
	(sendChoke): Removed.
	(sendUnchoke): Removed.
	(sendInterested): Removed.
	(sendNotInterested): Removed.
	(sendHave): Removed.
	(sendBitfield): Removed.
	(sendRequest): Removed.
	(sendPiece): Removed.
	(sendPieceHeader): Removed.
	(sendPieceData): Removed.
	(sendMessage): New function.
	(sendCancel): Removed.
	* src/PeerInteractionCommand.cc
	(PeerInteractionCommand): Call setUploadLimit.
	(executeInternal): Call setUploadLimit.
	Added the handling of "inProgress" state of handshake message.
	Call sendBitfield() or sendAllowdFast() instead of deprecated
	sendNow().
	(keepAlive): Call addMessage and sendMessage instead of deprecated
	sendNow().
	(beforeSocketCheck): Call addMessage instead of deprecated trySendNow()
	* src/TorrentMan.h
	(PEER_ID_LENGTH): New definition.
	(hasAllPieces): New function.
	* src/TorrentMan.cc
	(getMissingPiece): Added the handling of fast extension.
	(cancelPiece): Call updatePiece().
	(hasAllPieces): New function.
	* src/PeerInteraction.h
	(fastSet): New variable.
	(getNewPieceAndSendInterest): Changed the return type to void.
	(send): Renamed as sendMessages.
	(deleteAllRequestSlot): Removed.
	(deleteRequestMessageInQueue): Renamed as rejectPieceMessageInQueue.
	(cancelAllRequest): Removed all overloaded functions.
	(deleteAllRequestSlot): Removed.
	(deletePieceMessageInQueue): Renamed as rejectAllPieceMessageInQueue.
	(rejectPieceMessageInQueue): New function.
	(rejectAllPieceMessageInQueue): New function.
	(onChoked): New function.
	(isSendingMessageInProgress): New function.
	(getCorrespondingRequestSlot): Changed its arguments.
	(isInFastSet): New function.
	(addFastSetIndex): New function.
	(addRequests): New function.
	(sendNow): Removed.
	(trySendNow): Removed.
	(sendBitfield): New function.
	(sendAllowdFast): New function.
	(createHaveAllMessage): New function.
	(createHaveNoneMessage): New function.
	(createRejectMessage): New function.
	(createAllowedFastMessage): New function.
	* src/PeerInteraction.cc
	(send): Renamed as sendMessages.
	(sendMessages): New function.
	(MsgPushBack): New class.
	(isSendingMessageInProgress): New function.
	(deletePieceMessageInQueue): Renamed as rejectAllPieceMessageInQueue.
	(rejectAllPieceMessageInQueue): New function.
	Added the handling of fast extension.
	(deleteRequestMessageInQueue): Renamed as rejectPieceMessageInQueue.
	(rejectPieceMessageInQueue): New function.
	Added the handling of fast extension.
	(deleteRequestSlot): Replaced for loop with  std::find.
	(onChoked): New function.
	(deleteAllRequestSlot): Removed.
	(abortPiece): Rewirtten.
	(deleteTimeoutRequestSlot): Updated log messages.
	(getCorrespondingRequestSlot): Changed its arguments.
	(cancelAllRequest): Removed all overloaded functions.
	(receiveHandshake): Added the check to see whether an incoming peer
	supports fast extension.
	(createHandshakeMessage): Use HandshakeMessage::create instead of
	PeerMessageUtil.
	(createPeerMessage): Use create() of each message class instead of
	PeerMessageUtil.
	HaveAllMessage, HaveNoneMessage, RejectMessage, SuggestPieceMessage,
	AllowedFastMessage were added.
	(getNewPieceAndSendInterest): Changed its return value type to void.
	Added the handling of fast extension.
	(addRequests): New function.
	(sendNow): Removed.
	(sendHandshake): Rewritten.
	(trySendNow): Removed.
	(sendBitfield): New function.
	(sendAllowdFast): New function.
	(isInFastSet): New function.
	(addFastSetIndex): New function.
	(createRequestMessage): Use RequestMessage::create instead of
	PeerMessageUtil.
	(createCancelMessage): Use CancelMessage::create instead of
	PeerMessageUtil.
	(createPieceMessage): Use PieceMessage::create instead of
	PeerMessageUtil.
	(createHaveMessage): Use HaveMessage::create instead of
	PeerMessageUtil.
	(createChokeMessage): Use ChokeMessage::create instead of
	PeerMessageUtil.
	(createUnchokeMessage): Use UnchokeMessage::create instead of
	PeerMessageUtil.
	(createInterestedMessage): Use InterestedMessage::create instead of
	PeerMessageUtil.
	(createNotInterestedMessage): Use NotInterestedMessage::create instead
	of PeerMessageUtil.
	(createBitfieldMessage): Use BitfieldMessage::create instead of
	PeerMessageUtil.
	(createKeepAliveMessage): Use KeepAliveMessage::create instead of
	PeerMessageUtil.
	(createHaveAllMessage): New function.
	(createHaveNoneMessage): New function.
	(createRejectMessage): New function.
	(createAllowedFastMessage: New function.
	* src/Util.h
	(sha1Sum): New function.
	(computeFastSet): New function.
	* src/Util.cc
	(sha1Sum): New function.
	(computeFastSet): New function.
	* src/Peer.h
	(fastExtensionEnabled): New variable.
	(fastSet): New variable.
	(setAllBitfield): New function.
	(setFastExtensionEnabled): New function.
	(isFastExtensionEnabled): New function.
	(addFastSetIndex): New function.
	(getFastSet): New function.
	(isInFastSet): New function.
	(countFastSet): New function.
	* src/Peer.cc
	(isInFastSet): New function.
	(addFastSetIndex): New function.
	(setAllBitfield): New function.
	
	* src/AbstractCommand.cc (execute): Changed the procedure of checking
	sockets.
	* src/PeerAbstractCommand.cc
	(PeerAbstractCommand): Added the initialization for uploadLimitCheck
	and uploadLimit.
	(execute): Changed the procedure of checking sockets. The upload speed
	checking were added.
	(setUploadLimit): New function.
	(setUploadLimitCheck): New function.
	* src/PeerAbstractCommand.h
	(setUploadLimit): New function.
	(setUploadLimitCheck): New function.
	(uploadLimit): New variable.
	(uploadLimitCheck): New variable.

	To contact a tracker regularly:
	
	* src/TrackerWatcherCommand.h (interval): New variable.
	(checkPoint): New variable.
	(TrackerWatcherCommand): Added interval argument.
	* src/TrackerWatcherCommand.cc
	(TrackerWatcherCommand): Initialized checkPoint.
	(execute): Now a tracker is contacted in every specified period.
	If peer list is not needed, send request with numwant=0.

	* src/TrackerUpdateCommand.cc
	(execute): Updated log messages.

	* src/DownloadEngine.cc
	(~DownloadEngine): Removed two asserts.
	(waitData): Uncommented wfds. May be a bug fix.
	
2006-05-10  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* src/PeerInteractionCommand.h
	(checkInactiveConnection): Removed.
	* src/PeerInteractionCommand.cc
	(executeInternal): Removed following function calls:
	detectMessageFlooding(), checkLongTimePeerChoking and
	checkInactiveConnection().
	(checkInactiveConnection): Removed.
	(detectMessageFlooding): Removed function call to
	checkInactiveConnection().

	* src/PeerMessageUtil.h
	(createChokeMessage): New function. Overload.
	(createUnchokeMessage): New function. Overload.
	(createInterestedMessage): New function. Overload.
	(createNotInterestedMessage): New function. Overload.
	(createHaveMessage): New function. Overload.
	(createBitfieldMessage): New function. Overload.
	(createRequestMessage): New function. Overload.
	(createCancelMessage): New function. Overload.
	(createPieceMessage): New function. Overload.
	(createKeepAliveMessage): New function. Overload.
	* src/PeerMessageUtil.cc
	(createChokeMessage): New function. Overload.
	(createUnchokeMessage): New function. Overload.
	(createInterestedMessage): New function. Overload.
	(createNotInterestedMessage): New function. Overload.
	(createHaveMessage): New function. Overload.
	(createBitfieldMessage): New function. Overload.
	(createRequestMessage): New function. Overload.
	(createCancelMessage): New function. Overload.
	(createPieceMessage): New function. Overload.
	(createKeepAliveMessage): New function. Overload.

	* src/SendMessageQueue.cc
	(createRequestMessage): Use PeerMessageUtil.
	(createCancelMessage): Use PeerMessageUtil.
	(createPieceMessage): Use PeerMessageUtil.
	(createHaveMessage): Use PeerMessageUtil.
	(createChokeMessage): Use PeerMessageUtil.
	(createUnchokeMessage): Use PeerMessageUtil.
	(createInterestedMessage): Use PeerMessageUtil.
	(createNotInterestedMessage): Use PeerMessageUtil.
	(createBitfieldMessage): Use PeerMessageUtil.
	(createKeepAliveMessage): Use PeerMessageUtil.

	* src/SendMessageQueue.h: Renamed to PeerInteraction.h
	* src/SendMessageQueue.cc: Renamed to PeerInteraction.cc
	* src/PeerInteraction.h: New class.
	* src/PeerInteraction.cc: New class.
	
2006-05-09  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	Each peer message has its own class.
	
	* src/PendingMessages.h: Removed.
	* src/PendingMessages.cc: Removed. The sending process was moved to
	each message class.
	* src/RequestSlotMan.h: Removed.
	* src/RequestSlotMan.cc: Removed. All functionarities were moved to
	SendMessageQueue.
	* src/RequestMessage.h: New class.
	* src/RequestMessage.cc: New class.
	* src/CancelMessage.h: New class.
	* src/CancelMessage.cc: New class.
	* src/BitfieldMessage.h: New class.
	* src/BitfieldMessage.cc: New class.
	* src/ChokeMessage.h: New class.
	* src/ChokeMessage.cc: New class.
	* src/KeepAliveMessage.h: New class.
	* src/KeepAliveMessage.cc: New class.
	* src/PortMessage.h: New class.
	* src/UnchokeMessage.h: New class.
	* src/UnchokeMessage.cc: New class.
	* src/PieceMessage.h: New class.
	* src/PieceMessage.cc: New class.
	* src/HaveMessage.h: New class.
	* src/HaveMessage.cc: New class.
	* src/BitfieldMessage.h: New class.
	* src/BitfieldMessage.cc: New class.
	* src/NotInterestedMessage.h: New class.
	* src/NotInterestedMessage.cc: New class.
	* src/InterestedMessage.h: New class.
	* src/InterestedMessage.cc: New class.
	* src/HandshakeMessage.h (sendMessageQueue): New variable.
	(getSendMessageQueue): New function.
	(setSendMessageQueue): New function.
	* src/HandshakeMessage.cc: New class.
	* src/PeerConnection.h (receiveMessage): Changed return value and
	arguments.
	(receiveHandshake): Changed return value and arguments.
	* src/PeerConnection.cc (receiveMessage): Do not create message class
	here.
	(receiveHandshake): Do not create handshake class here.
	* src/PeerInteractionCommand.h (peerConnection): Removed.
	(piece): Removed.
	(syncPiece): Removed.
	(sendInterest): Removed.
	(sendMessages): Removed.
	(createRequestPendingMessage): Removed.
	(checkPieceHash): Removed.
	(erasePieceOnDisk): Removed.
	(getNewPieceAndSendInterest): Removed.
	(onGotNewPice): Removed.
	(onGotWrongPiece): Removed.
	* src/PeerInteractionCommand.cc (PeerInteractionCommand):
	Removed peerConnection, piece.
	(~PeerInteractionCommand): Removed peerConnection.
	(executeInternal): Use sendMessageQueue instead of peerConnection.
	(syncPiece): Moved to SendMessageQueue.
	(decideChoking): Removed PendingMessage.
	(receiveMessage): Use sendMessageQueue instead of peerConnection.
	The action after receiving peer message was moved to each message
	class.
	(onGotNewPice): Moved to SendMessageQueue.
	(onGotWrongPiece): Moved to SendMessageQueue.
	(getNewPieceAndSendInterest): Moved to SendMessageQueue.
	(sendInterest): Moved to SendMessageQueue.
	(createRequestPendingMessage): Removed.
	(sendMessages): Moved to SendMessageQueue.
	(onAbort): Use SendMessageQueue::abortPiece()
	(keepAlive): Use sendMessageQueue instead of peerConnection.
	(beforeSocketCheck): Use sendMessageQueue instead of peerConnection.
	(checkPieceHash): Moved to SendMessageQueue.
	(erasePieceOnDisk): Moved to SendMessageQueue.
	* src/PeerMessageUtil.h
	(createBitfieldMessage): Removed.
	(createHaveMessage): Changed return value and arguments.
	(createBitfieldMessage): Changed return value and arguments.
	(createRequestCancelMessage): Removed.
	(createPieceMessage): Changed return value and arguments.
	(getShortIntParam): New function.
	(checkIndex): Changed arguments.
	(checkBegin): Changed arguments.
	(checkLength): Changed arguments.
	(checkPieceOffset): Removed.
	(checkRange): New function.
	(checkBitfield): Changed arguments.
	(createPeerMessage): Removed.
	(checkIntegrity): Removed.
	(createHandshakeMessage): Changed arguments.
	(createChokeMessage): New function.
	(createUnchokeMessage): New function.
	(createInterestedMessage): New function.
	(createNotInterestedMessage): New function.
	(createRequestMessage): New function.
	(createCancelMessage): New function.
	(createPortMessage): New function.
	* src/PeerMessageUtil.cc
	(createBitfieldMessage): Removed.
	(createHaveMessage): Changed return value and arguments.
	(createBitfieldMessage): Changed return value and arguments.
	(createRequestCancelMessage): Removed.
	(createPieceMessage): Changed return value and arguments.
	(getShortIntParam): New function.
	(checkIndex): Changed arguments.
	(checkBegin): Changed arguments.
	(checkLength): Changed arguments.
	(checkPieceOffset): Removed.
	(checkRange): New function.
	(checkBitfield): Changed arguments.
	(createPeerMessage): Removed.
	(checkIntegrity): Removed.
	(createHandshakeMessage): Changed arguments.
	(createChokeMessage): New function.
	(createUnchokeMessage): New function.
	(createInterestedMessage): New function.
	(createNotInterestedMessage): New function.
	(createRequestMessage): New function.
	(createCancelMessage): New function.
	(createPortMessage): New function.
	* src/PeerMessage.h
	(id): Removed.
	(index): Removed.
	(begin): Removed.
	(length): Removed.
	(bitfield): Removed.
	(bitfieldLength): Removed.
	(block): Removed.
	(blockLength): Removed.
	(inProgress): New variable.
	(cuid): New variable.
	(peer): New variable.
	(sendMessageQueue): New variable.
	(logger): New variable.
	(setBitfield): Removed.
	(getBitfield): Removed.
	(setBlock): Removed.
	(getBlock): Removed.
	(getBitfieldLength): Removed.
	(getBlockLength): Removed.
	(isInProgress): New function.
	(toString): Made pure virtual.
	(check): New function.
	(send): New function.
	(receivedAction): New function.
	(getId): Made pure virtual.
	(setId): Removed.
	(getIndex): Removed.
	(setIndex): Removed.
	(getBegin): Removed.
	(setBegin): Removed.
	(getLength): Removed.
	(setLength): Removed.
	(getCuid): New function.
	(setCuid): New function.
	(getPeer): New function.
	(setPeer): New function.
	(getSendMessageQueue): New function.
	(setSendMessageQueue): New function.
	(ID): Removed.
	* src/PeerMessage.cc
	(setBitfield): Removed.
	(setBlock): Removed.
	(toString): Removed.
	* src/TorrentMan.h
	(getPieceLength): New function.
	(getPieceLength): New function.
	* src/SendMessageQueue.h
	(REQUEST_TIME_OUT): New definition.
	(RequestSlots): New definition.
	(MessageQueue): New definition.
	(requestSlotMan): Removed.
	(pendingMessages): Removed.
	(requestSlots): New variable.
	(messageQueue): New variable.
	(torrentMan): New variable.
	(peerConnection): New variable.
	(peer): New variable.
	(piece): New variable.
	(getNewPieceAndSendInterest): New function.
	(createPeerMessage): New function.
	(createHandshakeMessage): New function.
	(send): Made private.
	(setPeerMessageCommonProperty): New function.
	(deleteAllRequestSlot): New function.
	(deleteRequestMessageInQueue): New function.
	(cancelAllRequest): Made private.
	(cancelAllRequest): Made private.
	(countRequestSlot): Made private.
	(addPendingMessage): Removed.
	(deletePendingPieceMessage): Removed.
	(deletePendingRequestMessage): Removed.
	(addMessage): New function.
	(deletePieceMessageInQueue): New function.
	(deleteTimeoutRequestSlot): Changed argument.
	(deleteCompletedRequestSlot): Changed argument.
	(getCorrespoindingRequestSlot): Renamed to getCorrespondingRequestSlot.
	(getCorrespondingRequestSlot): New function.
	(countPendingMessage): Removed.
	(countMessageInQueue): New function.
	(getTorrentMan): New function.
	(getPeerConnection): New function.
	(hasDownloadPiece): New function.
	(getDownloadPiece): New function.
	(setDownloadPiece): New function.
	(syncPiece): New function.
	(sendMessages): New function.
	(sendNow): New function.
	(trySendNow): New function.
	(abortPiece): New function.
	(sendHandshake): New function.
	(receiveMessage): New function.
	(receiveHandshake): New function.
	(createRequestMessage): New function.
	(createCancelMessage): New function.
	(createPieceMessage): New function.
	(createHaveMessage): New function.
	(createChokeMessage): New function.
	(createUnchokeMessage): New function.
	(createInterestedMessage): New function.
	(createNotInterestedMessage): New function.
	(createBitfieldMessage): New function.
	(createKeepAliveMessage): New function.
	* src/SendMessageQueue.cc
	(SendMessageQueue): Removed requestSlotMan.
	Instantiated peerConnection here.
	(~SendMessageQueue): Removed requestSlotMan.
	Added deletion of peerConnection and the contents of messageQueue.
	(send): Updated according to the change of messageQueue.
	(addPendingMessage): Renamed to addMessage.
	(addMessage): New function.
	(deletePendingPieceMessage): Renamed to deletePieceMessageInQueue.
	(deletePieceMessageInQueue): New function.
	(deletePendingRequestMessage): Renamed to deleteRequestMessageInQueue.
	(deleteRequestMessageInQueue): New function.
	(deleteRequestSlot): RequestSlotMan::deleteRequestSlot(...) was moved
	here.
	(deleteTimeoutRequestSlot): RequestSlotMan::deleteTimeoutRequestSlot
	(...) was moved here.
	(deleteAllRequestSlot): RequestSlotMan::deleteAllRequestSlot(...) was
	moved here.
	(deleteCompletedRequestSlot):
	RequestSlotMan::deleteCompletedRequestSlot(...) was moved here.
	(getCorrespondingRequestSlot):
	RequestSlotMan::getCorrespoindingRequestSlot(...) was moved here.
	And renamed to getCorrespondingRequestSlot, correcting a typo.
	(countPendingMessage): Renamed to countMessageInQueue.
	(countMessageInQueue): New function.
	(countRequestSlot): RequestSlotMan::countRequestSlot() was moved here.
	(receiveHandshake): New function.
	(createHandshakeMessage): New function.
	(receiveMessage): New function.
	(createPeerMessage): New function.
	(syncPiece): New function.
	(getNewPieceAndSendInterest): New function.
	(sendMessages): New function.
	(sendNow): New function.
	(trySendNow): New function.
	(sendHandshake): New function.
	(abortPiece): New function.
	(getDownloadPiece): New function.
	(getPeerMessageCommonProperty): New function.
	(createRequestMessage): New function.
	(createCancelMessage): New function.
	(createPieceMessage): New function.
	(createHaveMessage): New function.
	(createChokeMessage): New function.
	(createUnchokeMessage): New function.
	(createInterestedMessage): New function.
	(createNotInterestedMessage): New function.
	(createBitfieldMessage): New function.
	(createKeepAliveMessage): New function.
	
	
	To add simple Content-Disposition support:

	* src/HttpResponseCommand.h (determinFilename): New function.
	* src/HttpResponseCommand.cc (executeInternal):
	Use determinFilename(headers) instead of req->getFile() when comparing
	filename.
	(determinFilename): New function.
	(handleDefaultEncoding): Use determinFilename(headers) instead of
	req->getFile().
	(handleOtherEncoding): Use determinFilename(headers) instead of
	req->getFile().
	* src/Util.h (getContentDispositionFilename): New function.
	* src/Util.cc (getContentDispositionFilename): New function.
	
	* src/LogFactory.h (release): New function.
	* src/LogFactory.cc (release): New function.

	To fix a bug that causes out-of-bound exception when HTTP status
	line is wrong:
	
	* src/HttpConnection.cc (receiveResponse): Added a check for header
	size.

	* src/common.h (Deleter): New class.

	* src/SegmentMan.cc
	(~SegmentMan): Added deletion of splitter and diskWriter.
	* src/DownloadEngine.h
	(Commands): Use deque.
	(clearQueue): New function.
	* src/DownloadEngine.cc
	(~DownloadEngine): Added deletion of segmentMan.
	(cleanQueue): New function.
	* src/TorrentDownloadEngine.h
	(TorrentDownloadEngine): The implementation was moved to
	TorrentDownloadEngine.cc.
	(~TorrentDownloadEngine): The implementation was moved to
	TorrentDownloadEngine.cc.
	* src/TorrentDownloadEngine.cc
	(~TorrentDownloadEngine): Added deletion of torrentMan.
	* src/main.cc
	(clearRequest): Removed.
	(handler): Added deletion of e.
	(torrentHandler): Added deletion of te.
	(main): Do not share splitter.
	Use Deleter instead of clearRequest.
	Deletion of classes were updated.
	
2006-05-06  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* src/main.cc (main): Fixed typo.
	* src/message.h: Fixed typo.

	* po/de.po: Added German translation, thanks to Hermann J. Beckers.
	
2006-04-29  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	To add --select-file command-line option:
	
	* src/Util.cc
	(unfoldRange): New function.
	(getNum): New function.
	(unfoldSubRange): New function
	* src/main.cc
	(showUsage): Added help message.
	(main): Added --select-file command-line option. Updated the layout of
	file listing.
	* src/common.h
	(Integers): New definition.

	* src/SocketCore.cc
	(writeData): Removed timeout argument.
	(readData): Removed timeout argument.
	(peekData): Removed timeout argument.
	* src/Socket.cc
	(writeData): Removed timeout argument.
	(readData): Removed timeout argument.
	(peekData): Removed timeout argument.
	
	* Release 0.4.1
	
2006-04-28  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	To deploy upload rate based choking algorithm:
	
	* src/PeerInteractionCommand.cc
	(PeerInteractionCommand): Add peer to TorrentMan::activePeers to track
	peer currently used.
	(decideChoking): Deleted the choke/unchoke decision algorithm when
	download completes. Simplified.
	(receiveMessage): Updated.
	* src/TorrentMan.h
	(activePeers): New variable.
	(addActivePeer): New function.
	(getActivePeers): New function.
	(deleteActivePeer): New function.
	* src/TorrentMan.cc
	(addPeer): deleteOldErrorPeers is moved to the begining of the function
	* src/PeerAbstractCommand.cc
	(onAbort): Use peer->resetStatus().
	* src/main.cc
	(PeerChokeCommand.h): Included.
	(main): Added the instance of ChokingCommand to the command queue.
	* src/Peer.h
	(amChoking): Renamed from amChocking
	(chokingRequired): New variable.
	(optUnchoking): New variable.
	(deltaUpload): New variable.
	(deltaDownload): New variable.
	(addDeltaUpload): New function.
	(resetDeltaUpload): New function.
	(addDeltaDownload): New function.
	(resetDeltaDownload): New function.
	(addPeerUpload): Added a call to addDeltaUpload.
	(addPeerDownload): Added a call to addDeltaDownload.
	* src/Peer.cc
	(shouldBeChoking): Renamed from shouldChoke.
	(resetStatus): New function.
	* src/PeerChokeCommand.h: New class.
	* src/PeerChokeCommand.cc: New class.
	
	To add lazy upload speed limiter:

	* src/TorrentConsoleDownloadEngine.h: Moved the variables for
	statistics calculation to TorrentDownloadEngine.
	* src/TorrentConsoleDownloadEngine.cc
	(sendStatistics): Renamed from printStatistics.
	(initStatistics): Removed. Moved to TorrentDownloadEngine.
	(calculateSpeed): Removed. Moved to TorrentDownloadEngine.
	(calculateStatistics): Removed. Moved to TorrentDownloadEngine.
	* src/TorrentDownloadEngine.h: Added the variables for statistics
	calculation.
	(sendStatistics): New function as pure virtual function.
	(getUploadSpeed): New function.
	* src/TorrentDownloadEngine.cc
	(initStatistics): New function.
	(calculateSpeed): New function.
	(calculateStatistics): New function.
	* src/SendMessageQueue.h
	(uploadLength): New variable.
	(send): Added an argument.
	(setUploadLimit): New function.
	(getUploadLimit): New function.
	* src/SendMessageQueue.cc
	(send): Added upload speed limiter.
	* src/prefs.h
	(PREF_UPLOAD_LIMIT): New definition.
	* src/PeerInteractionCommand.cc
	(PeerInteractionCommand): Set upload speed limit to sendMessageQueue.
	* src/main.cc
	(main): Added --upload-limit option

	For bug fixes:
	
	* src/main.cc
	(showUsage): Corrected --listen-port help

	Other changes:
	
	* src/TorrentMan.cc
	(getPeer): Return nullPeer if connection is grather than
	MAX_PEER_UPDATE(15) in order to leave space for incoming peers.

2006-04-21  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	To add some useful information to the exception message:

	* src/SocketCore.cc : Updated messages.
	* src/SegmentMan.cc : 
	* src/TorrentMan.cc : Updated messages.
	* src/MultiDiskWriter.cc : Updated messages.
	* src/Util.cc : Updated messages.
	* src/AbstractDiskWriter.cc : Updated messages.
	* src/PreAllocationDiskWriter.cc : Updated messages.
	* src/message.cc : Added new messages. Updated some messages.

	* src/TrackerWatcherCommand.h (MIN_PEERS): New definition.
	* src/TrackerWatcherCommand.cc (execute): Use MIN_PEERS.
	Updated threshold from 30 to 15.

	* src/AbstractDiskWriter.h (filename): New variable.
	* src/AbstractDiskWriter.cc (openExistingFile): Assigned filename.
	(createFile): Assigned filename.
	
	* src/main.cc: Updated the help message for http-auth-scheme.

	* Release 0.4.0
	
2006-04-20  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	To add TrackerUpdateCommand with which replaces
	CompactTrackerResponseProcessor:
	
	* src/TrackerWatcherCommand.h (req): Removed.
	* src/TrackerWatcherCommand.cc (execute): Send a request to tracker
	if the number of peer connections are less than 30.
	* src/ByteArrayDiskWriter.h (readData): Implemented.
	* src/SegmentMan.h (diskWriter): New function.
	* src/SegmentMan.cc (init): Added a call to diskWriter->closeFile()
	* src/main.cc : Removed #include "CompactTrackerResponseProcessor.h"
	(main): Use TrackerUpdateCommand.
	* src/TorrentMan.h (CompactTrackerResponseProcessor): Removed.
	(req): New variable.
	(setTrackerResponseProcessor): Removed.
	(getTrackerResponseProcessor): Removed.
	(processTrackerResponse): Removed.
	* src/DownloadEngine.h (diskWriter): Removed.
	* src/TorrentDownloadEngine.cc (afterEachIteration): Removed a call
	to torrentMan->processTrackerResponse().
	
	To add Util::expandBuffer:
	
	* src/ByteArrayDiskWriter.h (expandBuffer): Removed.
	* src/ByteArrayDiskWriter.cc (writeData): Use Util::expandBuffer().
	* src/Util.h (expandBuffer): New function.

	To fix the bug that causes segmentation fault when "-l ." is specified
	in command-line option:

	* src/SimpleLogger.h (SimpleLogger): Removed "filename" argument.
	(openFile): New function.
	(closeFile): New function.
	* src/SimpleLogger.cc (SimpleLogger): Removed fopen.
	(~SimpleLogger): Call closeFile();
	* src/LogFactory.cc (getInstance): Added a call to slogger->openFile().
	* src/main.cc (main): Added a check to see logger is configured
	properly.
	
	To enable HTTP authentication without specifying "--http-auth-scheme"
	
	* src/prefs.h (PREF_HTTP_AUTH_ENABLED): New definition.
	* src/HttpConnection.cc (createRequest): Send Authorization header
	if PREF_HTTP_AUTH_ENABLED == V_TRUE.
	* src/main.cc (main): Preset PREF_HTTP_AUTH_SCHEME to V_TRUE
	If "--http-user" is specified, set PREF_HTTP_AUTH_ENABLED to V_TRUE

	* src/Peer.cc (shouldChoke): Updated algorithm.
	
	* src/message.h (EX_AUTH_FAILED): New definition.
	(EX_FILE_OPEN): New definition.
	* src/HttpResponseCommand.cc (checkResponse): Throw DlAbortEx
	if status == 401.
	(handleDefaultEncoding): Added a call to diskWriter->initAndOpenFile()
	if req->isTorrent == true.

	* src/main.cc (handler): Removed the check to see e->diskWriter != NULL
	(torrentHandler): Removed the check to see diskAdaptor != NULL.

	* src/AbstractDiskWriter.cc (openExistingFile): Updated messsage.
	(createFile): Updated message.
	
2006-04-19  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	To add a readout of estimated remaining time to normal HTTP/FTP
	downloads:
	
	* src/ConsoleDownloadEngine.h (startup): New variable.
	(startupLength): New variable.
	(isStartupLengthSet): New variable.
	(avgSpeed): New variable.
	(eta): New variable.
	* src/ConsoleDownloadEngine.cc (sendStatistics): Added a readout of
	estimated remaining time.
	(initStatistics): Initialized newly added variables.
	(calculateStatistics): Calculate average speed and estimated remaining
	time.

	To decouple TorrentDownloadEngine from HttpResponseCommand:

	* src/TrackerDownloadCommand.h: Removed.
	* src/TrackerDownloadCommand.cc: Removed.
	* src/TrackerInitCommand.h: Removed.
	* src/TrackerInitCommand.cc: Removed.
	* src/TrackerUpdateCommand.h: Removed.
	* src/TrackerUpdateCommand.cc: Removed.
	* src/TrackerWatcherCommand.cc (execute): The construction of request
	url written in TrackerInitCommand was moved here. Do not create
	tracker request command if torrentMan->trackers != 0.
	* src/CompactTrackerResponseProcessor.h: New class.
	* src/CompactTrackerResponseProcessor.cc: New class.
	* src/message.h (MSG_TRACKER_WARNING_MESSAGE): Updated.
	* src/HttpResponseCommand.cc (createHttpDownloadCommand):
	Decoupled TorrentDownloadEngine from this.
	* src/SegmentMan.h (init): New function.
	* src/SegmentMan.cc (init): New function.
	* src/TorrentMan.h (responseProcessor): New variable.
	(trackers): New variable.
	(setTrackerResponseProcessor): New function.
	(getTrackerResponseProcessor): New function.
	(processTrackerResponse): New function.
	* src/TorrentMan.cc (Constructor): Initialized new variable trackers.
	(processTrackerResponse): New function.
	* src/main.cc (main): Use ByteArrayDiskWriter and
	CompactTrackerResponseProcessor.
	* src/TorrentDownloadEngine.cc (afterEachIteration): Call torrentMan->
	processTrackerResponse().
	
	* src/TorrentConsoleDownloadEngine.cc (printStatistics): Updated a
	readout.

	* src/TorrentDownloadEngine.cc (afterEachIteration): Added log message
	which indicates download has completed.

	* src/AbstractDiskWriter.cc (Destructor): fd >= 0, not fd >0
	(closeFile): fd >= 0, not fd > 0

	* src/main.cc (main): Added short cut for show-files.
	Added short cut for torrent-file.
	Added new command-line option listen-port.
	Updated i18n messages.
	
2006-04-18  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	To add LogFactory which creates singleton logger:
	
	* src/LogFactory.h: New class.
	* src/LogFactory.cc: New class.
	* src/Command.h (logger): New variable.
	(Constructor): Use LogFactory.
	* src/AbstractCommand.cc: Use Command::logger
	* src/PeerConnection.cc (Constructor): Deleted the argument logger.
	Use LogFactory.
	* src/SegmentSplitter.h : Made logger protected.
	* src/SegmentSplitter.cc (Constructor): Use LogFactory.
	* src/SegmentMan.cc (Constructor): Use LogFactory.
	* src/DownloadEngine.h : Made logger protected.
	* src/DownloadEngine.cc (Constructor): Use LogFactory.
	* src/PeerInteractionCommand.cc : Use Command::logger.
	* src/HttpResponseCommand.cc : Use Command::logger.
	* src/SegmentMan.h : Made logger private.
	* src/TorrentMan.h : Made logger private.
	* src/TorrentMan.cc : Use LogFactory.
	* src/FtpNegotiateCommand.cc : Use Command::logger.
	* src/HttpConnection.h (Constructor): Deleted the argument logger.
	* src/HttpConnection.cc (Constructor): Deleted the argument logger.
	Use LogFactory.
	* src/FtpConnection.h (Constructor): Deleted the argument logger.
	* src/FtpConnection.cc (Constructor): Deleted the argument logger.
	Use LogFactory.
	* src/DownloadCommand.cc : Use Command::logger.
	* src/PeerAbstractCommand.cc : Use Command::logger.
	* src/PeerListenCommand.cc : Use Command::logger.
	* src/PeerInitiateConnectionCommand.cc : Use Command::logger.
	* src/HttpInitiateConnectionCommand.cc : Use Command::logger.
	* src/FtpInitiateConnectionCommand.cc : Use Command::logger.
	* src/TrackerWatcherCommand.cc : Use Command::logger.
	* src/TrackerUpdateCommand.cc : Use Command::logger.
	* src/TrackerDownloadCommand.cc : Use Command::logger.
	* src/RequestSlotMan.cc (Constructor): Deleted the argument logger.
	Use LogFactory.
	* src/SendMessageQueue.h (Constructor): Deleted the argument logger.
	* src/SendMessageQueue.cc (Constructor): Deleted the argument logger.
	Use LogFactory.
	* src/main.cc (main): Use LogFactory.
	* src/DiskAdaptor.h (logger): New variable.
	* src/DiskAdaptor.cc (Constructor): Use LogFactory.
	* src/CopyDiskAdaptor.cc (fixFilename): Added a log message.

2006-04-17  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* src/TrackerInitCommand.cc (TrackerInitCommand): Added a "key"
	parameter to a tracker request.

	* src/TorrentMan.cc (readFileEntryFromMetaInfoFile): Bug fix.

	* src/TrackerWatcherCommand.cc (execute): Call req->resetTryCount().
	
	* src/main.cc (setSignalHander): New function.
	(main): Added a handler for SIGTERM.
	(handler): Updated message.
	(torrentHandler): Updated message.

	
2006-04-16  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* src/TorrentConsoleDownloadEngine.cc
	(onPartialDownloadingCompletes): Renamed as
	onSelectiveDownloadingCompletes.
	(onSelectiveDownloadingCompletes): Updated message.

	To add DiskAdaptor which abstract DiskWriter family:

	* src/PeerConnection.cc: Use diskAdaptor instead of diskWriter.
	* src/PeerInteractionCommand.cc: Use diskAdaptor instead of diskWriter.
	* src/BitfieldMan.cc (isAllBitSet): bug fix.
	* src/TorrentMan.cc : Included CopyDiskAdaptor.h, DirectDiskAdaptor.h,
	MultiDiskAdaptor.h.
	(readFileEntry): Changed its arguments.
	(setup): setupDiskWriter is merged into this function.
	(setupDiskWriter): Removed.
	(setFileFilter): New function.
	(readFileEntryFromMetaInfoFile): Updated according to the changes
	made in readFileEntry.
	(getFilePath): Removed.
	(getTempFilePath): Removed.
	(getSegmentFilePath): Updated due to the removal of getFilePath.
	(fixFilename): Removed.
	(copySingleFile): Removed.
	(splitMultiFile): Removed.
	(deleteTempFile): Removed.
	(setFileEntriesToDownload): Removed.
	(isPartialDownloadingMode): Renamed as isSelectiveDownloadingMode.
	(isSelectiveDownloadingMode): New function.
	(setAllMultiFileRequestedState): Removed.
	(finishPartialDownloadingMode): Renamed as
	finishSelectiveDownloadingMode.
	(finishSelectiveDownloadingMode): New function.
	(getPartialTotalLength): Renamed as getSelectedTotalLength.
	(getSelectedTotalLength): New function.
	(onDownloadComplete): Use diskAdaptor.
	* src/MultiDiskWriter.cc (Constructor): Added the argument pieceLength
	(Range): Removed.
	(setMultiFileEntries): Renamed as setFileEntries.
	(setFileEntries): New function.
	* src/MultiDiskWriter.h [DiskWriterEntry](enabled): Removed.
	(pieceLength): New variable.
	* src/main.cc (printDownloadCompeleteMessage): New function.
	(torrentHandler): Use diskAdaptor instead of diskWriter.
	(main): Renamed torrent-show-files to show-files.
	Rewritten file contents listing.
	* src/TorrentMan.h (FileEntry): Removed.
	(multiFileTopDir): Removed.
	(multiFileEntries): Removed.
	(diskWriter): Removed.
	(diskAdaptor): New variable.
	* src/DefaultDiskWriter.h (totalLength): New variable.
	* src/DefaultDiskWriter.cc (initAndOpenFile): Added ftruncate.
	* src/TorrentDownloadEngine.cc (onEndOfRun): Use diskAdaptor instead of
	diskWriter.
	* src/TorrentConsoleDownloadEngine.h
	(partialDownloadLengthDiff): Renamed as selectedDownloadLengthDiff.
	(partialTotalLength): Renamed as selectedTotalLength.
	* src/AbstractDiskWriter.cc (openFile): If file exists, call
	openExistingFile, otherwise call initAndOpenFile.
	(closeFile): fd > 0, not fd != 0.
	* src/DirectDiskAdaptor.h: New class.
	* src/DirectDiskAdaptor.cc: New class.
	* src/MultiDiskAdaptor.h: New class.
	* src/MultiDiskAdaptor.cc: New class.
	* src/CopyDiskAdaptor.h: New class.
	* src/CopyDiskAdaptor.cc: New class.
	* src/DiskAdaptor.h: New class.
	* src/DiskAdaptor.cc: New class.
	
	* src/prefs.h (PREF_TORRENT_SHOW_FILES): Renamed as PREF_SHOW_FILES
	(PREF_SHOW_FILES): New definition.

2006-04-12  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	To add the ability to download multi torrent into respective files
	directly:
	
	* src/DiskWriter.h (openFile): New function.
	(seek): Removed.
	* src/MultiDiskWriter.h: New class.
	* src/MultiDiskWriter.cc: New class.
	* src/AbstractDiskWriter.h (seek): Changed its scope from public to
	protected.
	(openFile): New function.
	* src/AbstractDiskWriter.cc (openFile): New function.
	* src/prefs.h (V_FALSE): New definition.
	(PREF_DIRECT_FILE_MAPPING): New definition.
	* src/TorrentMan.h (setupDiskWriter): New function.
	(setAllMultiFileRequestedState): New function.
	(onDownloadComplete): New function.
	* src/TorrentMan.cc : Included MultiDiskWriter.h
	(setupDiskWriter): New function.
	(getFilePath): Updated.
	(getTempFilePath): Updated.
	(getSegmentFilePath): Updated.
	(fixFilename): Updated.
	(deleteTempFile): Updated.
	(setAllMultiFileRequestedState): New function.
	(setFileEntriesToDownload): Use setAllMultiFileRequestedState().
	(finishPartialDownloadingMode): Reset requested flags.
	(onDownloadComplete): New function.
	* src/main.cc: Added --direct-file-mapping option.
	Use TorrentMan::setupDiskWriter().
	* src/TorrentDownloadEngine.cc (afterEachIteration): Use TorrentMan::
	onDownloadComplete().
	
	
	To fix ETA bug:

	* src/Util.h (difftvsec): New function.
	* src/Util.cc (difftvsec): New function.
	* src/TorrentConsoleDownloadEngine.cc (calculateSpeed): Use int for the
	type of "elapsed" instead of long long int.
	(calculateStatistics): Use Util::difftvsec instead of Util::difftv.
	The updates of statistics takes place every 1 seconds.
	* src/TorrentConsoleDownloadEngine.h (lastElapsed): Changed its type.
	(calculateSpeed): Changed its argument signature.
	
	* src/PeerMessage.cc (toString): Fixed message.
	
2006-04-06  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	To print ETA:

	* src/TorrentDownloadEngine.cc (afterEachIteration): Added download
	completion handling when dealing with
	TorrentMan::isPartialDownloadingMode() == true.
	* src/TorrentDownloadEngine.h (onPartialDownloadingCompletes):
	New function.
	* src/TorrentConsoleDownloadEngine.h (startup): New variable.
	(sessionDownloadLength): New variable.
	(avgSpeed): New variable.
	(eta): New variable.
	* src/TorrentConsoleDownloadEngine.cc (initStatistics): Initialized
	new variables: eta, avgSpeed, startup.
	(calculateSpeed): Calculate average speed and ETA.
	(printStatistics): Added ETA.

	* src/Util.h (secfmt): New function.
	* src/Util.cc (secfmt): New function.
	
2006-04-05  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	To detect "keep alive" flooding:

	* src/PeerInteractionCommand.h (keepAliveCount): New variable
	* src/PeerInteractionCommand.cc (Constructor): Initialized new
	variable: keepAliveCount.
	(detectMessageFlooding): Added "keep alive" flooding detection.
	(receiveMessage): Increase keepAliveCount when "keep alive" message
	received.
	
	To add the ability to download only specified files in multi-file
	torrent:

	* src/BitfieldMan.h (filterBitfield): New variable.
	(filterEnabled): New variable.
	(setFilterBit): New function.
	(enableFilter): New function.
	(disableFilter): New function.
	(isFilterEnabled): New function.
	(getFilteredTotalLength): New function.
	(getCompletedLength): New function.
	* src/BitfieldMan.cc (Constructor): Initialized new variable:
	filterBitfield, filterEnabled.
	(CopyConstructor): Added filterBitfield and filterEnabled.
	(operator==): Added filterBitfield and filterEnabled.
	(Destructor): Added filterBitfield.
	(getMissingIndex): Use filterBitfield.
	(getMissingUnusedIndex): Use filterBitfield.
	(getFirstMissingUnusedIndex): Use filterBitfield.
	(getFirstMissingUnusedIndex): Use filterBitfield.
	(getAllMissingIndexes): Use filterBitfield.
	(countMissingBlock): Use filterBitfield.
	(countBlock): Use filterBitfield.
	(setBitInternal): Added new argument on.
	(setUseBit): Use setBitInternal.
	(unsetUseBit): Use setBitInternal.
	(setBit): Use setBitInternal.
	(unsetBit): Use setBitInternal.
	(isAllBitSet): Use filterBitfield.
	(setFilterBit): New function.
	(addFilter): New function.
	(enableFilter): New function.
	(disableFilter): New function.
	(clearFilter): New function.
	(isFilterEnabled): New function.
	(getFilteredTotalLength): New function.
	(getCompletedLength): New function.

	* src/TorrentMan.h [FileEntry](Constructor): Updated signature.
	Initalized newly added variables.
	[FileEntry](offset): New variable.
	[FileEntry](extracted): New variable.
	[FileEntry](requested): New variable.
	(readFileEntry): New function.
	(option): New variable.
	(splitMultiFile): Removed const qualifier.
	(fixFilename): Removed const qualifier.
	(readFileEntryFromMetaInfoFile): New function.
	(finishPartialDownloadingMode): New function.
	(isPartialDownloadingMode): New function.
	(setFileEntriesToDownload): New function.
	(getCompletedLength): New function.
	(getPartialTotalLength): New function.
	* src/TorrentMan.cc (readFileEntry): New function.
	(setup): Use readFileEntry. If no-preallocation option is specified,
	use DefaultDiskWriter.
	(readFileEntryFromMetaInfoFile): New function.
	(fixFilename): Removed const qualifier.
	(splitMultiFile): Removed const qualifier.
	(setFileEntriesToDownload): New function.
	(isPartialDownloadingMode): New function.
	(finishPartialDownloadingMode): New function.
	(getCompletedLength): New function.
	(getPartialTotalLength): New function.
	
	* src/TorrentConsoleDownloadEngine.h (partialDownloadLengthDiff):
	New variable.
	(partialTotalLength): New variable.
	(downloadLength): New variable.
	(totalLength): New variable.
	* src/TorrentConsoleDownloadEngine.cc (onPartialDownloadingCompletes):
	Added log.
	(initStatistics): Initialized new variables: partialDownloadLengthDiff,
	partialTotalLength, downloadLength, totalLength.
	(calculate): Calculate downloadLength and totalLength.
	
	* src/prefs.h :New definition PREF_NO_PREALLOCATION

	* src/main.cc (addCommand): Changed argument signature.
	(main): Added new variable: args. Added new option "torrent-show-files"
	"no-preallocation". Usage is not updated yet.
	
2006-04-02  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* src/PeerMessage.cc (setBitfield): Fixed invalid memory de-allocation.

2006-04-01  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	Attempt to add the ability to listing file entries in a .torrent file.
	This feature is not yet complete.
	
	* src/prefs.h (PREF_TORRENT_SHOW_FILES): New definition
	* src/TorrentMan.cc (getMultiFileEntries): New function.
	(getName): New function.
	* src/TorrentMan.h (getMultiFileEntries): New function.
	(getName): New function.
	* src/main.cc (main): Use above 2 funtion. 
	
	* Release 0.3.2
	
2006-03-31  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* src/PeerInteractionCommand.cc (checkInactiveConnection): New function
	(detectMessageFlooding): Updated threshold value.
	(checkLongTimePeerChoking): Updated timeout value.
	(getNewPieceAndSendInterest): Added debug log.
	* src/PeerInteractionCommand.h (checkInactiveConnection): New function
	
	* src/TorrentMan.cc (deleteOldErrorPeers): Updated.
	(getPeer): Updated.
	* src/TorrentMan.h: Added MAX_PEER_ERROR.
	
	* src/PeerAbstractCommand.cc (onAbort): Increment error counter.

	* src/PeerListenCommand.cc (execute): Close connection if incoming peer
	is localhost.

	* src/main.cc (main): Updated PREF_PEER_CONNECTION_TIMEOUT to 60.

	* src/PendingMessage.cc (processMessage): Not to send piece message
	if peer is not interested in the pieces localhost has.

	* src/Peer.cc (shouldChoke): Updated.

	* src/SendMessageQueue.cc (cancelAllRequest): Fixed.

	* src/Util.cc (isPowerOf): New function.
	* src/Util.h (isPowerOf): New function.
	* src/PeerMessageUtil.cc (checkLength): Added a check for length
	whether or not it is power of 2.
	
2006-03-28  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	Added new class SendMessageQueue that includes PendingMessages and
	RequestSlotMan.

	* src/SendMessageQueue.h: New class.
	* src/SendMessageQueue.cc: New class.
	* src/PendingMessage.h: Added new member variable blockIndex and its
	accessors.
	(createRequestMessage): Updated.
	* src/PendingMessage.cc (createRequestMessage): Updated.
	* src/PeerInteractionCommand.cc (executeInternal): Updated with
	SendMessageQueue.
	(checkLongTimePeerChoking): Updated with SendMessageQueue.
	(receiveMessage): Updated with SendMessageQueue.
	(deletePendingPieceMessage): Removed.
	(getNewPieceAndSendInterest): Updated with SendMessageQueue.
	(sendInterest): Updated with SendMessageQueue.
	(createRequestPendingMessage): Updated with SendMessageQueue.
	(sendMessages): Updated with SendMessageQueue.
	(onAbort): Updated with SendMessageQueue.
	(keepAlive): Updated with SendMessageQueue.
	(beforeSocketCheck): Updated SendMessageQueue.

	* src/PeerInteractionCommand (sendMessages): Shuffle
	missingBLockIndexes before using it.
	
	Added its own timeout for peer connection.
	
	* src/PeerAbstractCommand.h: Added member variable timeout and its
	setter.
	* src/prefs.h: Added PREF_PEER_CONNECTION_TIMEOUT.
	* src/PeerInteractionCommand.cc (PeerInteractionCommand):
	Added setTimeout() call.
	(executeInternal): Added setTimeout() call.
	* src/PeerAbstractCommand.cc (PeerAbstractCommand):
	Added timeout.
	(isTimeoutDetected): Updated.
	* src/main.cc (main): Added PREF_PEER_CONNECTION_TIMEOUT entry to
	option.
	
	Added *simple* message flooding checker.
	
	* src/PeerInteractionCommand.cc (executeInternal):
	Added detectMessageFlooding() call.
	(detectMessageFlooding): New function.
	(receiveMessage): Count up CHOKE, UNCHOKE, HAVE message.
	(beforeSocketCheck): Added detectMessageFlooding() call.
	* src/PeerInteractionCommand.h: Added sendMessageQueue,
	chokeUnchokeCount, haveCount, detectMessageFlooding().
	Removed deletePendingPieceMessage(), getRequestSlot(),
	deleteRequestSlot(), deleteAllRequestSlot().
	
	* src/PeerInteractionCommand.cc (beforeSocketCheck):
	Added checkLongTimePeerChoking() call.

	* src/RequestSlotMan.h: Renamed deleteTimeoutRequestSlot().

	* src/TorrentMan.cc (addPeer): Delete at most MAX_PEER_LIST_SIZE peers
	if duplicate == false.

	The parameter "uploaded" and "downloaded" in the tracker request are
	the size since the client sent the "started" event to the tracker.
	
	* src/TorrentMan.cc (setup): Assigned saved downloaded Size and
	uploaded size to preDownloadedSize, preUploadedSize respectively.
	* src/TorrentMan.h: Added preDownloadedSize, preUploadedSize,
	getSessionDownloadedSize(), getSessionUploadedSize().
	* src/TrackerInitCommand.cc (execute): Use getSessionDownloadedSize(),
	getSessionUploadedSize() instead of getDownloadedSize(),
	getUploadedSize().
	
	* src/PendingMessage.cc (processMessage): Do not send request message
	if the peer is choking the client.

	* src/TrackerUpdateCommand.cc (execute): Check wtheher minInterval is
	less than interval.
	
2006-03-27  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* configure.in: Added gnutls support. Added several CPP macros.
	* m4/openssl.m4: Added.
	* src/SocketCore.{h,cc}: Drop const quarifier from writeData(),
	readData(), peekData(). Added gnutls support.
	* src/HttpDownloadCommand.cc: Removed SleepCommand.h
	* src/TrackerWatcherCommand.{h,cc}: Added. This command creates
	TrackerInitCommand periodicaly(TorrentMan::minInterval).
	* src/TorrentMan.cc: Remove downloadedSize == 0 check from save().
	Instead, added a check for whether setup method has executed
	successfully.
	* src/TorrentMan.h: Added member vaiable setupComplete. Updated
	DEFAULT_ANNOUNCE_INTERVAL and DEFAULT_ANNOUNCE_MIN_INTERVAL to 300.
	* src/Makefile.am: Updated.
	* src/messageDigest.h: Added. This is a macro calculating SHA1 digest
	using whether OpenSSL or gcrypt, depending on the result of configure
	script.
	* src/ShaVisitor.{h,cc}: Removed direct	dependency on OpenSSL by using
	messageDigest.h. 
	* src/TorrentAutoSaveCommand.h: Removed unused variable cuid.
	* src/PeerListenCommand.cc: Added log about port binded successfully.
	Fixed memory leak.
	* src/main.cc: Added gnutls support. Replaced LIB_SSL with
	ENABLE_BITTORRENT where they are not related to OpenSSL but BitTorrent.
	Removed instantiation of TrackerInitCommand. Instead,
	TrackerWatcherCommand is instantiated and pushed to the command queue.
	* src/InitiateConnectionCommandFactory.cc: Replaced HAVE_LIBSSL with
	ENABLE_SSL.
	* src/Request.cc: Replaced HAVE_LIBSSL with ENABLE_SSL.
	* src/RequestSlotMan.cc (deleteCompletedRequestSlot):
	If a piece is already acquired by another command, delete the request
	slots for the piece.
	* src/TrackerUpdateCommand.cc (execute):
	Changed log level of MSG_TRACKER_WARNING_MESSAGE from info to warn.
	Added a check whether peer list is null.
	Fixed the bug that causes sending completed event to the tracker
	several times.
	* src/TrackerInitCommand.cc (execute):
	Fixed the bug that causes sending completed event to the tracker
	several times.
	* src/AbstractDiskWriter.{h,cc}: Removed direct dependency on OpenSSL
	by using messageDigest.h.
	
2006-03-26  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* PeerConnection.cc: Replaced log message "keep-alive" with
	"keep alive".
	* PeerInteractionCommand.{h,cc}: Close connection if peer is choking
	localhost long time.
	* TorrentMan.cc: When adding new peer with duplicate = true, if the
	number of peer list is equal to or grater than MAX_PEER_LIST, delete
	at most 100 failure entry from the list. If with duplicate = false,
	MAX_PEER_LIST is not checked.
	* PeerListenCommand.cc: Fixed the argument order of log message.

2006-03-25  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* Logger.h: Moved enum LEVEL from SimpleLogger.h to here.
	Added warn().
	* SimpleLogger.h: Moved enum LEVEL to Logger.h.
	Implemented warn().
	Defined 2 macros(WRITE_LOG, WRITE_LOG_EX) to avoid duplicated code.
	
2006-03-24  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* Request.h: Added AFTER_COMPLETED event.
	* TorrentDownloadEngine.cc: Prints "Download complete" message
	instead of downloaded size and progress(%) after download completes.
	* PeerInteractionCommand.cc: After download completes, sends unchoke
	message to the peer if it is interested in what localhost has
	downloaded.
	* TorrentMan.cc: In single-file mode, copy temporary file to the final
	destination instead of just renaming it.
	* TorrentMan.cc: Added deleteTempFile().
	* PeerAbstractCommand.cc: do not stop execution after download
	completes. This makes localhost a seeder.
	* Util.{h,cc}: Added fileCopy().
	* PeerListenCommand.cc: do not stop execution after download completes.
	This makes localhost a seeder.
	* main.cc: Do not call TorrentMan::fixFilename() in torrentHandler.
	Added TorrentMan::deleteTempFile() to torrentHandler.
	Initialized the variable dir as ".".
	* TorrentMan.h: Changed DEFAULT_ANNOUNCE_INTERVAL to 120 seconds.
	Deleted renameSingleFile().
	Added copySingleFile(), deleteTempFile().
	* DownloadEngine.h: Added virtual function afterEachIteration().
	* TorrentDownloadEngine.cc: Move a call to TorrentMan::fixFilename()
	in onEndOfRun() to afterEachIteration().
	In onEndOfRun(), changed if condition to check whether filenameFixed is
	true.
	* Util.cc: Implemented fileCopy() using rangedFileCopy().
	In rangedFileCopy(), added try-catch block to properly close file
	descriptors.
	* TorrentDownloadEngine.cc: Added a member variable filenameFixed.
	Added afterEachIteration(), isFilenameFixed().
	* Peer.cc: Changed choking strategy.
	* PreAllocationDiskWriter.cc: Drop O_DIRECT flag.
	* TrackerInitCommand.cc: Send completed event only once.
	* DownloadEngine.cc: Added a call to afterEachIteration().
	* TrackerUpdateCommand.cc: Do not stop execution after download
	completes.
	* TorrentMan.h: Defined MAX_PEER_UPDATE as 15. aria2 attempts to
	connect the peers at most MAX_PEER_UPDATE when a peer list is
	received from a tracker.
	* TrackerUpdateCommand.cc: Implemented above mentioned behavior.
	Decreased the number of failure peers to delete to 0(just comment out
	the line).
	* Release 0.3.1
	
2006-03-23  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* PeerInteractionCommand.cc: added a call to 
	TorrentMan::unadvertisePiece in Destructor.
	* PeerInteractionCommand.cc: make have message sent immediately
	if the size of pending message queue is zero.
	* TorrentMan.cc: set the maximum size of peer list to 250.
	* TorrentMan.h: changed the container type of Peers and UsedPieces
	to deque.
	* Util.cc: fixed rangedFileCopy.
	* AbstractDiskWriter.{h,cc}: moved digest context initialization
	to Constructor. Also, moved digest cleanup to Destructor.
	* MetaFileUtil.cc: fixed memory leak
	* replaced std::vector with std::deque.
	* AbstractCommand.cc: casted timeout value to long long int.
	* ChunkedEncoding.cc: fixed memory leak.
	* PeerInteractionCommand.cc: casted timeout value to long long int.
	* SleepCommand.cc: casted timeout value to long long int.
	* Data.cc: fixed memory leak.
	* Data.cc: fixed toLLInt().
	* BitfieldMan.cc: fixed memory leak.
	* TorrentMan.cc: initialized storeDir to ".".
	* TorrentMan.cc: fixed memory leak.
	* TorrentMan.cc: corrected file paths of splitted files.
	* PeerAbstractCommand.cc: casted timeout to long long int.
	* main.cc: added delete(req) and delete(te->diskWriter).
	* RequestSlot.cc: casted timeout value to long long int.
	* Request.cc: fixed memory leak.
	* PendingMessage.cc: make HAVE messages sent only when peer does not
	have the piece.
	* Peer.{h,cc}: added hasPiece(int index).
	* main.cc: corrected addCommand.
	
2006-03-22  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* BitTorrent protocol support added.
	* Release 0.3.0
	
2006-03-17  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* SocketCore.cc: remove the assignment of addrinfo.ai_addr.

2006-03-09  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* ChunkedEncoding.{h,cc}: fixed the bug that if chunk data is binary,
	decoding did not work properly.

2006-03-07  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* DownloadEngine.h: included sys/time.h
	* DownloadEngine.cc: remove sys/time.h
	* Makefile.am (SUBDIRS): Add intl.
	* configure.in (AC_CONFIG_FILES): Add intl/Makefile.

2006-03-05  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* main.cc: correct help message for --http-auth-scheme.
	* main.cc: changed e-mail address for bug reports.
	* ja.po: added japanese translation.

2006-03-04  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* SimpleLogger.cc: flush log file instead of stdout.

2006-03-03  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* main.cc: Fixed command-line option: max-tries
	* HttpResponseCommand.cc: Make the request re-sent only if req->seg.sp
	does not equal to seg.sp.
	* DownloadCommand.cc: If EOF is got from the server and the total size
	of file is not zero, then throw DlRetryEx.
	* main.cc: Set the minium value of min-segment-size to 1024.
	* HttpResponseCommand.cc: Fixed the bug that http segmented downloading
	fails because of a regression since 0.2.0 release.
	
2006-03-02  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* HttpConnection.cc:
	* common.h: defined the user agent name as macro
	* DownloadEngine.{h, cc}:
	* ConsoleDownloadEngine.{h, cc}: Console output message(size, speed)
	is now generated by ConsoleDownloadEngine not by DownloadEngine.
	* main.cc: Download complete/abort message is now generated by main.
	* Makefile.am (SUBDIRS): Add m4.
	(ACLOCAL_AMFLAGS): New variable.
	(EXTRA_DIST): New variable.
	* configure.in (AC_CONFIG_FILES): Add po/Makefile.in,
	* gettext: added gettext functionality
	
2006-03-01  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* AbstractCommand.cc:
	* DownloadCommand.{h, cc}: Aborted downloading commands now properly
	unregister its cuid from SegmentMan.	
	* DownloadEngine.cc: .aria2 file was written when a downloading
	failed with errors.
	* HttpConnection.cc: Added "Proxy-Connection" header to proxy request.
	Added "User-Agent" header to CONNECT proxy request.
	Fixed "Proxy-Authorization" header. Now proxy authorization works
	properly.
	* Logger.h:
	* SimpleLogger.{h,cc}: Changed the type of msg to const char*.
	* ChunkedEncoding.cc: Added #include directive for strings.h
	* Release 0.2.1
	
2006-02-28  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* Util.{h,cc}: added startsWith().
	* CookieBox.cc: rewrited criteriaFind() using Util::startsWith() and
	Util::endsWith().
	* SocketCore.cc: struct addrinfo is now  zero-initialized.
	* common.h: added #include directive of limit.h.
	* DownloadEngine.cc: added #include directive of sys/time.h and
	algorithm.
	* Exception.h: added #include directive of stdio.h.
	* AbstractCommand.h: added #include directive of sys/time.h.
	* DownloadCommand.h: added #include directive of sys/time.h.
	* *.h: added #include directive of common.h to all base classes.
	subclasses' one was removed.
	* common.h: defined LONG_LONG_MAX and LONG_LONG_MIN if a compiler
	does not define these macros.
	
2006-02-23  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* Release 0.2.0
	* main.cc:
	* HttpInitiateConnectionCommand.{h,cc}:
	* prefs.h:
	* HttpConnection.{h,cc}: added --http-proxy-method option.
	We can now use GET command in http proxy.

2006-02-22  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>
	
	* SplitSlowestSegmentSplitter.{h,cc}: This class provies algorithm
	that splits slowest segment of SegmentMan::commands vector.
	This is the default split algorithm of aria2.
	* SplitFirstSegmentSplitter.{h,cc}: This class provides algorithm
	that splits first segment of SegmentMan::commands vector.
	* SegmentSplitter.{h,cc}: Added. This class provides split algorithm.
	* DownloadCommand.{h,cc}: Added downloading speed calculation.
	* Segment.h:
	* SegmentMan.cc: Added speed field to Segment.h
	* main.cc: -s option now affects all URLs in command-line arguemtns.
	* HttpResponseCommand.cc: Fixed bug that segment file is not loaded.
	* message.h: Change file size related %d to %lld.

2006-02-21  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* FtpInitiateConnectionCommand.{h,cc}:
	* FtpNegotiationCommand.{h,cc}:
	* FtpDownloadCommand.{h,cc}:
	* FtpConnection.{h,cc}: Added FTP support
	* SimpleLogger.cc: Log message now includes time information.
	* main.cc: The value of --http-auth-scheme option is chagned from
	'BASIC' to 'basic'
	* main.cc: Added --timeout command-line option.
	* main.cc: Added --min-segment-size command-line option.
	* main.cc: Added --max-retries command-line option.
	* prefs.h: option string constants are now defined in prefs.h
	
2006-02-19  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* AbstractCommand.cc: Fixed timeout bug in AbstractCommand
	* SegmentMan.cc: Added totalSize entry to .aria2 file. No compatibility
	with version 0.1.0's one.
	
2006-02-18  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>

	* configure.in: Added --enable-ssl option to configure script.
	* HttpConnection.cc: Make Request-URI an absolute path. Some servers
	cannot permit absoluteURI as Request-URI.
	* HttpConnection.cc: Added Referer support.
	* main.cc: Added referer command-line option.
	* main.cc: Added rety-wait command-line option.
	* Exception.h: Fixed formating bug in Exception::setMsg()
	* SocketCore.{h,cc}:
	* Socket.{h, cc}:
	* Request.cc:
	* InitiateConnectionCommandFactory.cc:
	* HttpRequestCommand.cc: Added HTTPS support.
	* SocketCore.{h,cc}: Added SocketCore. Socket becomes a handle class
	for SocketCore.
	* ChunkedEncoding.cc: Fixed bug in ChunkedEncoding: expanding buffer
	size is wrong
	* DownloadCommand.cc: Fixed bug in DownloadCommand: In Chunked
	Encoding, it wrongly adds to Segment.ds buff length from the socket.

2006-02-17  Tatsuhiro Tsujikawa <tsujikawa at rednoah dot com>
	
	* Release 0.1.0