path: root/ChangeLog

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