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/*
* Copyright (c) 2017 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ICNICPDOWNLOAD
#include "ICNConnectionConsumerApi.h"
#define DEFAULT_LIFETIME 250
#define RETRY_TIMEOUTS 5
using namespace dash;
using namespace dash::network;
using namespace dash::metrics;
//using namespace icnet;
using std::bind;
using std::placeholders::_1;
using std::placeholders::_2;
using std::placeholders::_3;
using duration_in_seconds = std::chrono::duration<double, std::ratio<1, 1> >;
namespace libdash {
namespace framework {
namespace input {
ICNConnectionConsumerApi::ICNConnectionConsumerApi(double alpha, float beta, float drop) :
m_first(1),
m_isFinished(false),
sizeDownloaded (0),
cumulativeBytesReceived(0),
icnAlpha(alpha),
beta(beta),
drop(drop)
{
gamma = 1;
this->speed = 0.0;
this->dnltime = 0.0;
this->deezData = NULL;
this->deezDataSize = 0;
this->datSize = 0;
this->dataPos = 0;
this->res = false;
InitializeConditionVariable (&this->contentRetrieved);
InitializeCriticalSection (&this->monitorMutex);
this->hTTPClientConnection = new libl4::http::HTTPClientConnection();
#ifdef HICNET
transport::interface::ConsumerSocket &c = this->hTTPClientConnection->getConsumer();
#else
libl4::transport::ConsumerSocket &c = this->hTTPClientConnection->getConsumer();
#endif
bool configFile = false;
//CHECK if we are not going to override the configuration file. (if !autotune)
if(FILE *fp = fopen("/usr/etc/consumer.conf", "r"))
{
fclose(fp);
configFile = true;
}
#ifdef HICNET
if(!configFile)
{
qDebug("beta %f, drop %f", this->beta, this->drop);
c.setSocketOption(transport::interface::RaaqmTransportOptions::BETA_VALUE, this->beta);
c.setSocketOption(transport::interface::RaaqmTransportOptions::DROP_FACTOR, this->drop);
}
c.setSocketOption(int(transport::interface::RateEstimationOptions::RATE_ESTIMATION_OBSERVER), (transport::protocol::IcnObserver * )this);
#else
if(!configFile)
{
qDebug("beta %f, drop %f", this->beta, this->drop);
c.setSocketOption(libl4::transport::RaaqmTransportOptions::BETA_VALUE, this->beta);
c.setSocketOption(libl4::transport::RaaqmTransportOptions::DROP_FACTOR, this->drop);
}
c.setSocketOption(int(libl4::transport::RateEstimationOptions::RATE_ESTIMATION_OBSERVER), (libl4::transport::IcnObserver * )this);
#endif
#ifdef NO_GUI
if(this->icnAlpha != 20)
this->icnRateBased = true;
#else
this->icnRateBased = true;
#endif
Debug("ICN class created\n");
}
ICNConnectionConsumerApi::~ICNConnectionConsumerApi() {
delete this->hTTPClientConnection;
if(this->deezData)
{
free(this->deezData);
this->deezData = NULL;
}
DeleteConditionVariable (&this->contentRetrieved);
DeleteCriticalSection (&this->monitorMutex);
}
void ICNConnectionConsumerApi::Init(IChunk *chunk) {
Debug("ICN Connection: STARTING\n");
m_first = 1;
sizeDownloaded = 0;
m_name = chunk->AbsoluteURI().c_str();
m_isFinished = false;
res = false;
Debug("ICN_Connection:\tINTIATED_to_name %s\n", m_name.c_str());
Debug("ICN_Connection:\tSTARTING DOWNLOAD %s\n", m_name.c_str());
}
void ICNConnectionConsumerApi::InitForMPD(const std::string& url)
{
m_first = 1;
sizeDownloaded = 0;
m_name = url;
m_isFinished = false;
res = false;
dataPos = 0;
datSize = 0;
Debug("ICN_Connection:\tINTIATED_for_mpd %s\n", m_name.c_str());
}
int ICNConnectionConsumerApi::Read(uint8_t* data, size_t len, IChunk *chunk)
{
return this->Read(data, len);
}
int ICNConnectionConsumerApi::Read(uint8_t *data, size_t len)
{
if(!res)
{
std::string s(m_name.c_str());
hTTPClientConnection->get(s);
response = hTTPClientConnection->response();
this->res = true;
this->dataPos = 0;
}
if (response.getPayload().size() - this->dataPos > (int)len)
{
memcpy(data, (char*)response.getPayload().data() + this->dataPos, len);
this->dataPos += len;
return len;
} else
{
memcpy(data, (char*)response.getPayload().data() + this->dataPos, response.getPayload().size() - this->dataPos);
int length = response.getPayload().size() - this->dataPos;
if (length == 0)
{
this->res = false;
}
this->dataPos = response.getPayload().size();
return length;
}
}
int ICNConnectionConsumerApi::Peek(uint8_t *data, size_t len, IChunk *chunk) {
return -1;
}
double ICNConnectionConsumerApi::GetAverageDownloadingSpeed()
{
Debug("ICNConnection: DL speed is %f\n", this->speed);
return this->speed;
}
double ICNConnectionConsumerApi::GetDownloadingTime()
{
Debug("ICNConnection: DL time is %f\n", this->dnltime);
return this->dnltime;
}
const std::vector<ITCPConnection *> &ICNConnectionConsumerApi::GetTCPConnectionList() const {
return tcpConnections;
}
const std::vector<IHTTPTransaction *> &ICNConnectionConsumerApi::GetHTTPTransactionList() const {
return httpTransactions;
}
void ICNConnectionConsumerApi::notifyStats(double winSize)
{
this->speed = (winSize); // * 1000000 * 1400 * 8;
Debug("ICNConnection:\tNotificationICPDL\t%f\t%f\n", winSize, speed);
}
void ICNConnectionConsumerApi::notifyDownloadTime(double downloadingTime)
{
//downloadingTime is in microseconds, dnltime should be in seconds
this->dnltime = downloadingTime / 1000000;
}
void ICNConnectionConsumerApi::SetBeta(float beta)
{
this->beta = beta;
}
void ICNConnectionConsumerApi::SetDrop(float drop)
{
this->drop = drop;
}
} /* namespace input */
} /* namespace framework */
} /* namespace libdash */
#endif //NDEF ICNICPDOWNLOAD
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