overte-HifiExperiments/libraries/networking/src/ThreadedAssignment.cpp
2015-03-12 12:13:32 -07:00

116 lines
4 KiB
C++

//
// ThreadedAssignment.cpp
// libraries/shared/src
//
// Created by Stephen Birarda on 12/3/2013.
// Copyright 2013 High Fidelity, Inc.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
#include <QtCore/QCoreApplication>
#include <QtCore/QJsonObject>
#include <QtCore/QThread>
#include <QtCore/QTimer>
#include <LogHandler.h>
#include "ThreadedAssignment.h"
ThreadedAssignment::ThreadedAssignment(const QByteArray& packet) :
Assignment(packet),
_isFinished(false),
_datagramProcessingThread(NULL)
{
}
void ThreadedAssignment::setFinished(bool isFinished) {
_isFinished = isFinished;
if (_isFinished) {
aboutToFinish();
auto nodeList = DependencyManager::get<NodeList>();
// if we have a datagram processing thread, quit it and wait on it to make sure that
// the node socket is back on the same thread as the NodeList
if (_datagramProcessingThread) {
// tell the datagram processing thread to quit and wait until it is done, then return the node socket to the NodeList
_datagramProcessingThread->quit();
_datagramProcessingThread->wait();
// set node socket parent back to NodeList
nodeList->getNodeSocket().setParent(nodeList.data());
}
// move the NodeList back to the QCoreApplication instance's thread
nodeList->moveToThread(QCoreApplication::instance()->thread());
emit finished();
}
}
void ThreadedAssignment::commonInit(const QString& targetName, NodeType_t nodeType, bool shouldSendStats) {
// change the logging target name while the assignment is running
LogHandler::getInstance().setTargetName(targetName);
auto nodeList = DependencyManager::get<NodeList>();
nodeList->setOwnerType(nodeType);
// this is a temp fix for Qt 5.3 - rebinding the node socket gives us readyRead for the socket on this thread
nodeList->rebindNodeSocket();
QTimer* domainServerTimer = new QTimer(this);
connect(domainServerTimer, SIGNAL(timeout()), this, SLOT(checkInWithDomainServerOrExit()));
domainServerTimer->start(DOMAIN_SERVER_CHECK_IN_MSECS);
if (shouldSendStats) {
// send a stats packet every 1 second
QTimer* statsTimer = new QTimer(this);
connect(statsTimer, &QTimer::timeout, this, &ThreadedAssignment::sendStatsPacket);
statsTimer->start(1000);
}
}
void ThreadedAssignment::addPacketStatsAndSendStatsPacket(QJsonObject &statsObject) {
auto nodeList = DependencyManager::get<NodeList>();
float packetsPerSecond, bytesPerSecond;
// XXX can BandwidthRecorder be used for this?
nodeList->getPacketStats(packetsPerSecond, bytesPerSecond);
nodeList->resetPacketStats();
statsObject["packets_per_second"] = packetsPerSecond;
statsObject["bytes_per_second"] = bytesPerSecond;
nodeList->sendStatsToDomainServer(statsObject);
}
void ThreadedAssignment::sendStatsPacket() {
QJsonObject statsObject;
addPacketStatsAndSendStatsPacket(statsObject);
}
void ThreadedAssignment::checkInWithDomainServerOrExit() {
if (DependencyManager::get<NodeList>()->getNumNoReplyDomainCheckIns() == MAX_SILENT_DOMAIN_SERVER_CHECK_INS) {
setFinished(true);
} else {
DependencyManager::get<NodeList>()->sendDomainServerCheckIn();
}
}
bool ThreadedAssignment::readAvailableDatagram(QByteArray& destinationByteArray, HifiSockAddr& senderSockAddr) {
auto nodeList = DependencyManager::get<NodeList>();
if (nodeList->getNodeSocket().hasPendingDatagrams()) {
destinationByteArray.resize(nodeList->getNodeSocket().pendingDatagramSize());
nodeList->getNodeSocket().readDatagram(destinationByteArray.data(), destinationByteArray.size(),
senderSockAddr.getAddressPointer(), senderSockAddr.getPortPointer());
return true;
} else {
return false;
}
}