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/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* 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.
*/
/* copyright --> */
#ifndef D_REQUEST_SLOT_H
#define D_REQUEST_SLOT_H
#include "common.h"
#include "TimerA2.h"
#include "Piece.h"
#include "wallclock.h"
namespace aria2 {
class RequestSlot {
public:
RequestSlot(size_t index, int32_t begin, int32_t length, size_t blockIndex,
std::shared_ptr<Piece> piece = nullptr)
: dispatchedTime_(global::wallclock()),
index_(index), begin_(begin), length_(length), blockIndex_(blockIndex),
piece_(std::move(piece))
{}
RequestSlot():dispatchedTime_(0), index_(0), begin_(0), length_(0),
blockIndex_(0)
{}
bool operator==(const RequestSlot& requestSlot) const
{
return index_ == requestSlot.index_ && begin_ == requestSlot.begin_
&& length_ == requestSlot.length_;
}
bool operator!=(const RequestSlot& requestSlot) const
{
return !(*this == requestSlot);
}
bool operator<(const RequestSlot& requestSlot) const
{
if(index_ == requestSlot.index_) {
return begin_ < requestSlot.begin_;
} else {
return index_ < requestSlot.index_;
}
}
void setDispatchedTime(time_t secFromEpoch);
bool isTimeout(time_t timeoutSec) const;
size_t getIndex() const { return index_; }
void setIndex(size_t index) { index_ = index; }
int32_t getBegin() const { return begin_; }
void setBegin(int32_t begin) { begin_ = begin; }
int32_t getLength() const { return length_; }
void setLength(int32_t length) { length_ = length; }
size_t getBlockIndex() const { return blockIndex_; }
void setBlockIndex(size_t blockIndex) { blockIndex_ = blockIndex; }
const std::shared_ptr<Piece>& getPiece() const
{
return piece_;
}
private:
Timer dispatchedTime_;
size_t index_;
int32_t begin_;
int32_t length_;
size_t blockIndex_;
// This is the piece whose index is index of this RequestSlot has.
// To detect duplicate RequestSlot, we have to find the piece using
// PieceStorage::getPiece() repeatedly. It turns out that this process
// takes time(about 1.7% of processing time). To reduce it, we put piece here
// at the construction of RequestSlot as a cache.
std::shared_ptr<Piece> piece_;
};
} // namespace aria2
#endif // D_REQUEST_SLOT_H
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