/usr/include/libktorrent/utp/delaywindow.h is in libktorrent-dev 1.3.1-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2010 by Joris Guisson *
* joris.guisson@gmail.com *
* *
* 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. *
***************************************************************************/
#ifndef UTP_DELAYWINDOW_H
#define UTP_DELAYWINDOW_H
#ifndef Q_MOC_RUN
#include <boost/circular_buffer.hpp>
#endif // Q_MOC_RUN
#include <utp/utpprotocol.h>
namespace utp
{
const bt::Uint32 MAX_DELAY = 0xFFFFFFFF;
class KTORRENT_EXPORT DelayWindow
{
public:
DelayWindow();
virtual ~DelayWindow();
/// Update the window with a new packet, returns the base delay
bt::Uint32 update(const Header* hdr, bt::TimeStamp receive_time);
private:
struct DelayEntry
{
bt::Uint32 timestamp_difference_microseconds;
bt::TimeStamp receive_time;
DelayEntry() : timestamp_difference_microseconds(0), receive_time(0)
{}
DelayEntry(bt::Uint32 tdm, bt::TimeStamp rt) : timestamp_difference_microseconds(tdm), receive_time(rt)
{}
bool operator < (const DelayEntry & e) const
{
return timestamp_difference_microseconds < e.timestamp_difference_microseconds;
}
};
typedef boost::circular_buffer<DelayEntry>::iterator DelayEntryItr;
private:
boost::circular_buffer<DelayEntry> delay_window;
};
}
#endif // UTP_DELAYWINDOW_H
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