You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
79 lines
2.6 KiB
79 lines
2.6 KiB
/***************************************************************************
|
|
* Copyright (C) 2005 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. *
|
|
***************************************************************************/
|
|
#include <util/log.h>
|
|
#include <util/timer.h>
|
|
#include <util/functions.h>
|
|
#include "speed.h"
|
|
|
|
using namespace bt;
|
|
|
|
namespace net
|
|
{
|
|
const Uint64 SPEED_INTERVAL = 5000;
|
|
|
|
Speed::Speed() : rate(0),bytes(0)
|
|
{}
|
|
|
|
|
|
Speed::~Speed()
|
|
{}
|
|
|
|
void Speed::onData(Uint32 b,bt::TimeStamp ts)
|
|
{
|
|
dlrate.append(qMakePair(b,ts));
|
|
bytes += b;
|
|
}
|
|
|
|
void Speed::update(bt::TimeStamp now)
|
|
{
|
|
QValueList<QPair<Uint32,TimeStamp> >::iterator i = dlrate.begin();
|
|
while (i != dlrate.end())
|
|
{
|
|
QPair<Uint32,TimeStamp> & p = *i;
|
|
if (now - p.second > SPEED_INTERVAL || now < p.second)
|
|
{
|
|
if (bytes >= p.first) // make sure we don't wrap around
|
|
bytes -= p.first; // subtract bytes
|
|
else
|
|
bytes = 0;
|
|
i = dlrate.erase(i);
|
|
}
|
|
else
|
|
{
|
|
// seeing that newer entries are appended, they are in the list chronologically
|
|
// so once we hit an entry which is in the interval, we can just break out of the loop
|
|
// because all following entries will be in the interval
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (bytes == 0)
|
|
{
|
|
rate = 0;
|
|
}
|
|
else
|
|
{
|
|
// Out() << "bytes = " << bytes << " d = " << d << endl;
|
|
rate = (float) bytes / (float)(SPEED_INTERVAL * 0.001);
|
|
}
|
|
}
|
|
|
|
}
|