mirror of https://github.com/aria2/aria2
76 lines
2.4 KiB
C
76 lines
2.4 KiB
C
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/* <!-- copyright */
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/*
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* aria2 - a simple utility for downloading files faster
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*
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* Copyright (C) 2006 Tatsuhiro Tsujikawa
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/* copyright --> */
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#ifndef _D_PEER_INTERACTION_COMMAND_H_
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#define _D_PEER_INTERACTION_COMMAND_H_
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#include "PeerAbstractCommand.h"
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#include "PeerConnection.h"
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#include "PendingMessage.h"
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#include "RequestSlotMan.h"
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using namespace std;
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class PeerInteractionCommand : public PeerAbstractCommand {
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private:
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int sequence;
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PeerConnection* peerConnection;
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RequestSlotMan* requestSlotMan;
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PendingMessages pendingMessages;
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Piece piece;
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struct timeval keepAliveCheckPoint;
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void receiveMessage();
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void syncPiece();
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void detectTimeoutAndDuplicateBlock();
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void decideChoking();
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void sendInterest();
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void sendMessages();
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void createRequestPendingMessage(int blockIndex);
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void deletePendingMessage(PeerMessage* cancelMessage);
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const RequestSlot& getRequestSlot(int index, int begin, int length) const;
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bool deleteRequestSlot(const RequestSlot& slot);
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void deleteAllRequestSlot();
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bool checkPieceHash(const Piece& piece);
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void erasePieceOnDisk(const Piece& piece);
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void keepAlive();
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Piece getNewPieceAndSendInterest();
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void onGotNewPiece();
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void onGotWrongPiece();
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protected:
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bool executeInternal();
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bool prepareForRetry(int wait);
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bool prepareForNextPeer(int wait);
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void onAbort(Exception* ex);
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void beforeSocketCheck();
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public:
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PeerInteractionCommand(int cuid, Peer* peer, TorrentDownloadEngine* e, Socket* s, int sequence);
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~PeerInteractionCommand();
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enum Seq {
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INITIATOR_SEND_HANDSHAKE,
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INITIATOR_WAIT_HANDSHAKE,
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RECEIVER_SEND_HANDSHAKE,
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RECEIVER_WAIT_HANDSHAKE,
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WIRED};
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};
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#endif // _D_PEER_INTERACTION_COMMAND_H_
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