aria2/src/RequestSlot.cc

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/* <!-- copyright */
/*
* aria2 - The high speed download utility
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*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
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*/
/* copyright --> */
#include "RequestSlot.h"
namespace aria2 {
RequestSlot RequestSlot::nullSlot = RequestSlot();
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void RequestSlot::setDispatchedTime() {
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.
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dispatchedTime.reset();
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}
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.
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void RequestSlot::setDispatchedTime(time_t secFromEpoch) {
dispatchedTime.setTimeInSec(secFromEpoch);
}
bool RequestSlot::isTimeout(const struct timeval& now, time_t timeoutSec) const {
return dispatchedTime.difference(now) >= timeoutSec;
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.
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}
unsigned int RequestSlot::getLatencyInMillis() const {
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.
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return dispatchedTime.differenceInMillis();
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}
bool RequestSlot::isNull(const RequestSlot& requestSlot) {
return requestSlot.index == 0 && requestSlot.begin == 0&&
requestSlot.length == 0;
}
} // namespace aria2