mirror of https://github.com/aria2/aria2
125 lines
3.8 KiB
C++
125 lines
3.8 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_REQUEST_SLOT_H
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#define D_REQUEST_SLOT_H
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#include "common.h"
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#include "TimerA2.h"
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#include "Piece.h"
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#include "wallclock.h"
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namespace aria2 {
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class RequestSlot {
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public:
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RequestSlot(size_t index, int32_t begin, int32_t length, size_t blockIndex,
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std::shared_ptr<Piece> piece = nullptr)
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: dispatchedTime_(global::wallclock()),
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index_(index),
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begin_(begin),
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length_(length),
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blockIndex_(blockIndex),
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piece_(std::move(piece))
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{
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}
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RequestSlot()
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: dispatchedTime_(Timer::zero()),
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index_(0),
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begin_(0),
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length_(0),
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blockIndex_(0)
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{
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}
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bool operator==(const RequestSlot& requestSlot) const
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{
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return index_ == requestSlot.index_ && begin_ == requestSlot.begin_ &&
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length_ == requestSlot.length_;
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}
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bool operator!=(const RequestSlot& requestSlot) const
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{
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return !(*this == requestSlot);
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}
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bool operator<(const RequestSlot& requestSlot) const
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{
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if (index_ == requestSlot.index_) {
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return begin_ < requestSlot.begin_;
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}
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else {
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return index_ < requestSlot.index_;
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}
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}
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bool isTimeout(const std::chrono::seconds& t) const;
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size_t getIndex() const { return index_; }
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void setIndex(size_t index) { index_ = index; }
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int32_t getBegin() const { return begin_; }
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void setBegin(int32_t begin) { begin_ = begin; }
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int32_t getLength() const { return length_; }
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void setLength(int32_t length) { length_ = length; }
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size_t getBlockIndex() const { return blockIndex_; }
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void setBlockIndex(size_t blockIndex) { blockIndex_ = blockIndex; }
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const std::shared_ptr<Piece>& getPiece() const { return piece_; }
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// For unit test
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void setDispatchedTime(Timer t) { dispatchedTime_ = std::move(t); }
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private:
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Timer dispatchedTime_;
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size_t index_;
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int32_t begin_;
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int32_t length_;
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size_t blockIndex_;
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// This is the piece whose index is index of this RequestSlot has.
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// To detect duplicate RequestSlot, we have to find the piece using
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// PieceStorage::getPiece() repeatedly. It turns out that this process
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// takes time(about 1.7% of processing time). To reduce it, we put piece here
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// at the construction of RequestSlot as a cache.
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std::shared_ptr<Piece> piece_;
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};
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} // namespace aria2
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#endif // D_REQUEST_SLOT_H
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