mirror of https://github.com/aria2/aria2
114 lines
3.6 KiB
C++
114 lines
3.6 KiB
C++
/* <!-- copyright */
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/*
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* aria2 - The high speed download utility
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*
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* Copyright (C) 2006 Tatsuhiro Tsujikawa
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* In addition, as a special exception, the copyright holders give
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* permission to link the code of portions of this program with the
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* OpenSSL library under certain conditions as described in each
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* individual source file, and distribute linked combinations
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* including the two.
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* You must obey the GNU General Public License in all respects
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* for all of the code used other than OpenSSL. If you modify
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* file(s) with this exception, you may extend this exception to your
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* version of the file(s), but you are not obligated to do so. If you
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* do not wish to do so, delete this exception statement from your
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* version. If you delete this exception statement from all source
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* files in the program, then also delete it here.
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*/
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/* copyright --> */
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#ifndef D_DOWNLOAD_COMMAND_H
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#define D_DOWNLOAD_COMMAND_H
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#include "AbstractCommand.h"
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#include <unistd.h>
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namespace aria2 {
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class PeerStat;
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class StreamFilter;
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class MessageDigest;
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class DownloadCommand : public AbstractCommand {
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private:
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std::shared_ptr<PeerStat> peerStat_;
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std::unique_ptr<StreamFilter> streamFilter_;
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std::unique_ptr<MessageDigest> messageDigest_;
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std::chrono::seconds startupIdleTime_;
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int lowestDownloadSpeedLimit_;
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bool pieceHashValidationEnabled_;
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bool sinkFilterOnly_;
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void validatePieceHash(const std::shared_ptr<Segment>& segment,
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const std::string& expectedPieceHash,
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const std::string& actualPieceHash);
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void checkLowestDownloadSpeed() const;
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void completeSegment(cuid_t cuid, const std::shared_ptr<Segment>& segment);
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protected:
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virtual bool executeInternal() CXX11_OVERRIDE;
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virtual bool prepareForNextSegment();
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// This is file local offset
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virtual int64_t getRequestEndOffset() const = 0;
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// Returns true if socket should be monitored for writing. The
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// default implementation is return the return value of
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// getSocket()->wantWrite().
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virtual bool shouldEnableWriteCheck();
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public:
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DownloadCommand(cuid_t cuid, const std::shared_ptr<Request>& req,
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const std::shared_ptr<FileEntry>& fileEntry,
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RequestGroup* requestGroup, DownloadEngine* e,
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const std::shared_ptr<SocketCore>& s,
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const std::shared_ptr<SocketRecvBuffer>& socketRecvBuffer);
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virtual ~DownloadCommand();
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const std::unique_ptr<StreamFilter>& getStreamFilter() const
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{
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return streamFilter_;
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}
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void installStreamFilter(std::unique_ptr<StreamFilter> streamFilter);
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void setStartupIdleTime(std::chrono::seconds startupIdleTime)
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{
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startupIdleTime_ = std::move(startupIdleTime);
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}
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void setLowestDownloadSpeedLimit(int lowestDownloadSpeedLimit)
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{
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lowestDownloadSpeedLimit_ = lowestDownloadSpeedLimit;
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}
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};
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} // namespace aria2
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#endif // D_DOWNLOAD_COMMAND_H
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