76 lines
1.9 KiB
C++
76 lines
1.9 KiB
C++
/*
|
|
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license
|
|
* that can be found in the LICENSE file in the root of the source
|
|
* tree. An additional intellectual property rights grant can be found
|
|
* in the file PATENTS. All contributing project authors may
|
|
* be found in the AUTHORS file in the root of the source tree.
|
|
*/
|
|
|
|
#include "BWETwoWayLimitFinding.h"
|
|
#include "TestLoadGenerator.h"
|
|
|
|
|
|
BWETwoWayLimitFinding::BWETwoWayLimitFinding(
|
|
std::string testName,
|
|
int masterStartRateKbps, int masterAvailBWkbps,
|
|
int slaveStartRateKbps, int slaveAvailBWkbps,
|
|
bool isMaster /*= false*/)
|
|
:
|
|
BWETest(testName, (isMaster ? masterStartRateKbps : slaveStartRateKbps)),
|
|
_availBWkbps(isMaster ? masterAvailBWkbps : slaveAvailBWkbps),
|
|
_incomingAvailBWkbps(isMaster ? slaveAvailBWkbps : masterAvailBWkbps),
|
|
_forwLimitReached(false),
|
|
_revLimitReached(false)
|
|
{
|
|
_master = isMaster;
|
|
}
|
|
|
|
|
|
BWETwoWayLimitFinding::~BWETwoWayLimitFinding()
|
|
{
|
|
if (_gen)
|
|
{
|
|
delete _gen;
|
|
_gen = NULL;
|
|
}
|
|
}
|
|
|
|
|
|
int BWETwoWayLimitFinding::Init(std::string ip, WebRtc_UWord16 port)
|
|
{
|
|
// create the load generator object
|
|
const int rtpSampleRate = 90000;
|
|
const int frameRate = 30;
|
|
const double spreadFactor = 0.2;
|
|
|
|
_gen = new CBRFixFRGenerator(_sendrec, _startRateKbps, rtpSampleRate, frameRate, spreadFactor);
|
|
if (!_gen)
|
|
{
|
|
return (-1);
|
|
}
|
|
|
|
if (!_master) UseRecvTimeout(); // slave shuts down when incoming stream dies
|
|
|
|
return BWETest::Init(ip, port);
|
|
}
|
|
|
|
|
|
bool BWETwoWayLimitFinding::StoppingCriterionMaster()
|
|
{
|
|
if ((_sendrec->BitrateSent() / 1000.0) > (0.95 * _availBWkbps))
|
|
{
|
|
_forwLimitReached = true;
|
|
}
|
|
|
|
WebRtc_Word32 revRateKbps = _sendrec->ReceiveBitrateKbps();
|
|
if (revRateKbps > (0.95 * _incomingAvailBWkbps))
|
|
{
|
|
_revLimitReached = true;
|
|
}
|
|
|
|
return (_forwLimitReached && _revLimitReached);
|
|
}
|
|
|