////  Client.cpp//  gvr-interface/src////  Created by Stephen Birarda on 1/20/15.//  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 <AccountManager.h>#include <AddressManager.h>#include <HifiSockAddr.h>#include <NodeList.h>#include <PacketHeaders.h> #include "Client.h" Client::Client(QObject* parent) :    QObject(parent){       // we need to make sure that required dependencies are created    DependencyManager::set<AddressManager>();        setupNetworking();} void Client::setupNetworking() {    // once Application order of instantiation is fixed this should be done from AccountManager    AccountManager::getInstance().setAuthURL(DEFAULT_NODE_AUTH_URL);        // setup the NodeList for this client    DependencyManager::registerInheritance<LimitedNodeList, NodeList>();     auto nodeList = DependencyManager::set<NodeList>(NodeType::Agent, 0);        // while datagram processing remains simple for targets using Client, we'll handle datagrams    connect(&nodeList->getNodeSocket(), &QUdpSocket::readyRead, this, &Client::processDatagrams);        // every second, ask the NodeList to check in with the domain server    QTimer* domainCheckInTimer = new QTimer(this);    domainCheckInTimer->setInterval(DOMAIN_SERVER_CHECK_IN_MSECS);    connect(domainCheckInTimer, &QTimer::timeout, nodeList.data(), &NodeList::sendDomainServerCheckIn);        // TODO: once the Client knows its Address on start-up we should be able to immediately send a check in here    domainCheckInTimer->start();        // handle the case where the domain stops talking to us    // TODO: can we just have the nodelist do this when it sets up? Is there a user of the NodeList that wouldn't want this?    connect(nodeList.data(), &NodeList::limitOfSilentDomainCheckInsReached, nodeList.data(), &NodeList::reset);} void Client::processVerifiedPacket(const HifiSockAddr& senderSockAddr, const QByteArray& incomingPacket) {    DependencyManager::get<NodeList>()->processNodeData(senderSockAddr, incomingPacket);} void Client::processDatagrams() {    HifiSockAddr senderSockAddr;        static QByteArray incomingPacket;        auto nodeList = DependencyManager::get<NodeList>();        while (DependencyManager::get<NodeList>()->getNodeSocket().hasPendingDatagrams()) {        incomingPacket.resize(nodeList->getNodeSocket().pendingDatagramSize());        nodeList->getNodeSocket().readDatagram(incomingPacket.data(), incomingPacket.size(),                                               senderSockAddr.getAddressPointer(), senderSockAddr.getPortPointer());                if (nodeList->packetVersionAndHashMatch(incomingPacket)) {            processVerifiedPacket(senderSockAddr, incomingPacket);        }    }}