C++ HifiSockAddr::getPortPointer方法代码示例

void AssignmentClient::readPendingDatagrams() {
    NodeList* nodeList = NodeList::getInstance();
    
    QByteArray receivedPacket;
    HifiSockAddr senderSockAddr;
    
    while (nodeList->getNodeSocket().hasPendingDatagrams()) {
        receivedPacket.resize(nodeList->getNodeSocket().pendingDatagramSize());
        nodeList->getNodeSocket().readDatagram(receivedPacket.data(), receivedPacket.size(),
                                               senderSockAddr.getAddressPointer(), senderSockAddr.getPortPointer());
        
        if (nodeList->packetVersionAndHashMatch(receivedPacket)) {
            if (packetTypeForPacket(receivedPacket) == PacketTypeCreateAssignment) {
                // construct the deployed assignment from the packet data
                _currentAssignment = AssignmentFactory::unpackAssignment(receivedPacket);
                
                if (_currentAssignment) {
                    qDebug() << "Received an assignment -" << *_currentAssignment;
                    
                    // switch our nodelist domain IP and port to whoever sent us the assignment
                    
                    nodeList->getDomainInfo().setSockAddr(senderSockAddr);
                    nodeList->getDomainInfo().setAssignmentUUID(_currentAssignment->getUUID());
                    
                    qDebug() << "Destination IP for assignment is" << nodeList->getDomainInfo().getIP().toString();
                    
                    // start the deployed assignment
                    QThread* workerThread = new QThread(this);
                    
                    connect(workerThread, SIGNAL(started()), _currentAssignment, SLOT(run()));
                    
                    connect(_currentAssignment, SIGNAL(finished()), this, SLOT(assignmentCompleted()));
                    connect(_currentAssignment, SIGNAL(finished()), workerThread, SLOT(quit()));
                    connect(_currentAssignment, SIGNAL(finished()), _currentAssignment, SLOT(deleteLater()));
                    connect(workerThread, SIGNAL(finished()), workerThread, SLOT(deleteLater()));
                    
                    _currentAssignment->moveToThread(workerThread);
                    
                    // move the NodeList to the thread used for the _current assignment
                    nodeList->moveToThread(workerThread);
                    
                    // let the assignment handle the incoming datagrams for its duration
                    disconnect(&nodeList->getNodeSocket(), 0, this, 0);
                    connect(&nodeList->getNodeSocket(), &QUdpSocket::readyRead, _currentAssignment,
                            &ThreadedAssignment::readPendingDatagrams);
                    
                    // Starts an event loop, and emits workerThread->started()
                    workerThread->start();
                } else {
                    qDebug() << "Received an assignment that could not be unpacked. Re-requesting.";
                }
            } else {
                // have the NodeList attempt to handle it
                nodeList->processNodeData(senderSockAddr, receivedPacket);
            }
        }
    }
}

void IceServer::processDatagrams() {
    HifiSockAddr sendingSockAddr;

    while (_serverSocket.hasPendingDatagrams()) {
        // setup a buffer to read the packet into
        int packetSizeWithHeader = _serverSocket.pendingDatagramSize();
        auto buffer = std::unique_ptr<char[]>(new char[packetSizeWithHeader]);

        _serverSocket.readDatagram(buffer.get(), packetSizeWithHeader,
                                   sendingSockAddr.getAddressPointer(), sendingSockAddr.getPortPointer());
        
        // make sure that this packet at least looks like something we can read
        if (packetSizeWithHeader >= Packet::localHeaderSize(PacketType::ICEServerHeartbeat)) {
            
            auto packet = Packet::fromReceivedPacket(std::move(buffer), packetSizeWithHeader, sendingSockAddr);
            
            PacketType::Value packetType = packet->getType();
            
            if (packetType == PacketType::ICEServerHeartbeat) {
                SharedNetworkPeer peer = addOrUpdateHeartbeatingPeer(*packet);
                
                // so that we can send packets to the heartbeating peer when we need, we need to activate a socket now
                peer->activateMatchingOrNewSymmetricSocket(sendingSockAddr);
            } else if (packetType == PacketType::ICEServerQuery) {
                QDataStream heartbeatStream(packet.get());
                
                // this is a node hoping to connect to a heartbeating peer - do we have the heartbeating peer?
                QUuid senderUUID;
                heartbeatStream >> senderUUID;
                
                // pull the public and private sock addrs for this peer
                HifiSockAddr publicSocket, localSocket;
                heartbeatStream >> publicSocket >> localSocket;
                
                // check if this node also included a UUID that they would like to connect to
                QUuid connectRequestID;
                heartbeatStream >> connectRequestID;
                
                SharedNetworkPeer matchingPeer = _activePeers.value(connectRequestID);
                
                if (matchingPeer) {
                    
                    qDebug() << "Sending information for peer" << connectRequestID << "to peer" << senderUUID;
                    
                    // we have the peer they want to connect to - send them pack the information for that peer
                    sendPeerInformationPacket(*(matchingPeer.data()), &sendingSockAddr);
                    
                    // we also need to send them to the active peer they are hoping to connect to
                    // create a dummy peer object we can pass to sendPeerInformationPacket
                    
                    NetworkPeer dummyPeer(senderUUID, publicSocket, localSocket);
                    sendPeerInformationPacket(dummyPeer, matchingPeer->getActiveSocket());
                } else {
                    qDebug() << "Peer" << senderUUID << "asked for" << connectRequestID << "but no matching peer found";
                }
            }
        }

bool ThreadedAssignment::readAvailableDatagram(QByteArray& destinationByteArray, HifiSockAddr& senderSockAddr) {
    NodeList* nodeList = NodeList::getInstance();
    
    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;
    }
}

void AudioMixerDatagramProcessor::readPendingDatagrams() {
    
    HifiSockAddr senderSockAddr;
    static QByteArray incomingPacket;
    
    // read everything that is available
    while (_nodeSocket.hasPendingDatagrams()) {
        incomingPacket.resize(_nodeSocket.pendingDatagramSize());
        
        // just get this packet off the stack
        _nodeSocket.readDatagram(incomingPacket.data(), incomingPacket.size(),
                                  senderSockAddr.getAddressPointer(), senderSockAddr.getPortPointer());
        
        // emit the signal to tell AudioMixer it needs to process a packet
        emit packetRequiresProcessing(incomingPacket, senderSockAddr);
    }
}

void OctreeServerDatagramProcessor::readPendingDatagrams() {

    HifiSockAddr senderSockAddr;
    static QByteArray incomingPacket;

    // read everything that is available
    while (_nodeSocket.hasPendingDatagrams()) {
        incomingPacket.resize(_nodeSocket.pendingDatagramSize());

        // just get this packet off the stack
        _nodeSocket.readDatagram(incomingPacket.data(), incomingPacket.size(),
                                 senderSockAddr.getAddressPointer(), senderSockAddr.getPortPointer());

        PacketType packetType = packetTypeForPacket(incomingPacket);
        if (packetType == PacketTypePing) {
            DependencyManager::get<NodeList>()->processNodeData(senderSockAddr, incomingPacket);
            return; // don't emit
        }

        // emit the signal to tell AudioMixer it needs to process a packet
        emit packetRequiresProcessing(incomingPacket, senderSockAddr);
    }
}

void DataServer::readPendingDatagrams() {
    QByteArray receivedPacket;
    HifiSockAddr senderSockAddr;
    
    while (_socket.hasPendingDatagrams()) {
        receivedPacket.resize(_socket.pendingDatagramSize());
        _socket.readDatagram(receivedPacket.data(), _socket.pendingDatagramSize(),
                             senderSockAddr.getAddressPointer(), senderSockAddr.getPortPointer());
        
        PacketType requestType = packetTypeForPacket(receivedPacket);
        
        if ((requestType == PacketTypeDataServerPut || requestType == PacketTypeDataServerGet) &&
            receivedPacket[numBytesArithmeticCodingFromBuffer(receivedPacket.data())] == versionForPacketType(requestType)) {
            
            QDataStream packetStream(receivedPacket);
            int numReceivedHeaderBytes = numBytesForPacketHeader(receivedPacket);
            packetStream.skipRawData(numReceivedHeaderBytes);
            
            // pull the sequence number used for this packet
            quint8 sequenceNumber = 0;
            
            packetStream >> sequenceNumber;
            
            // pull the UUID that we will need as part of the key
            QString userString;
            packetStream >> userString;
            QUuid parsedUUID(userString);
            
            if (parsedUUID.isNull()) {
                // we failed to parse a UUID, this means the user has sent us a username
                
                // ask redis for the UUID for this user
                redisReply* reply = (redisReply*) redisCommand(_redis, "GET user:%s", qPrintable(userString));
                
                if (reply->type == REDIS_REPLY_STRING) {
                    parsedUUID = QUuid(QString(reply->str));
                }
                
                if (!parsedUUID.isNull()) {
                    qDebug() << "Found UUID" << parsedUUID << "for username" << userString;
                } else {
                    qDebug() << "Failed UUID lookup for username" << userString;
                }
                
                freeReplyObject(reply);
                reply = NULL;
            }
            
            if (!parsedUUID.isNull()) {
                if (requestType == PacketTypeDataServerPut) {
                    
                    // pull the key and value that specifies the data the user is putting/getting
                    QString dataKey, dataValue;
                    
                    packetStream >> dataKey >> dataValue;
                    
                    qDebug("Sending command to redis: SET uuid:%s:%s %s",
                           qPrintable(uuidStringWithoutCurlyBraces(parsedUUID)),
                           qPrintable(dataKey), qPrintable(dataValue));
                    
                    redisReply* reply = (redisReply*) redisCommand(_redis, "SET uuid:%s:%s %s",
                                                                   qPrintable(uuidStringWithoutCurlyBraces(parsedUUID)),
                                                                   qPrintable(dataKey), qPrintable(dataValue));
                    
                    if (reply->type == REDIS_REPLY_STATUS && strcmp("OK", reply->str) == 0) {
                        // if redis stored the value successfully reply back with a confirm
                        // which is a reply packet with the sequence number
                        QByteArray replyPacket = byteArrayWithPopluatedHeader(PacketTypeDataServerConfirm, _uuid);
                        
                        replyPacket.append(sequenceNumber);
                        
                        _socket.writeDatagram(replyPacket, senderSockAddr.getAddress(), senderSockAddr.getPort());
                    }
                    
                    freeReplyObject(reply);
                } else {
                    // setup a send packet with the returned data
                    // leverage the packetData sent by overwriting and appending
                    QByteArray sendPacket = byteArrayWithPopluatedHeader(PacketTypeDataServerSend, _uuid);
                    QDataStream sendPacketStream(&sendPacket, QIODevice::Append);
                    
                    sendPacketStream << sequenceNumber;
                    
                    // pull the key list that specifies the data the user is putting/getting
                    QString keyListString;
                    packetStream >> keyListString;
                    
                    if (keyListString != "uuid") {
                        
                        // copy the parsed UUID
                        sendPacketStream << uuidStringWithoutCurlyBraces(parsedUUID);
                        
                        const char MULTI_KEY_VALUE_SEPARATOR = '|';
                        
                        // append the keyListString back to the sendPacket
                        sendPacketStream << keyListString;
                        
                        QStringList keyList = keyListString.split(MULTI_KEY_VALUE_SEPARATOR);
                        QStringList valueList;
                        
//.........这里部分代码省略.........

int main(int argc, const char* argv[]) {
    
    serverSocket.bind(QHostAddress::LocalHost, PAIRING_SERVER_LISTEN_PORT);
    
    HifiSockAddr senderSockAddr;
    char senderData[MAX_PACKET_SIZE_BYTES] = {};
    
    while (true) {
        if (::serverSocket.hasPendingDatagrams()
            && ::serverSocket.readDatagram(senderData, MAX_PACKET_SIZE_BYTES,
                                           senderSockAddr.getAddressPointer(), senderSockAddr.getPortPointer())) {
            if (senderData[0] == 'A') {
                // this is a device reporting itself as available
                
                PairableDevice tempDevice = {};
                
                char deviceAddress[INET_ADDRSTRLEN] = {};
                int socketPort = 0;
                
                int numMatches = sscanf(senderData, "Available %s %[^:]:%d %s",
                                        tempDevice.identifier,
                                        deviceAddress,
                                        &socketPort,
                                        tempDevice.name);
                
                if (numMatches >= 3) {
                    // if we have fewer than 3 matches the packet wasn't properly formatted
                    
                    // setup the localSocket for the pairing device
                    tempDevice.localSocket.setAddress(QHostAddress(deviceAddress));
                    tempDevice.localSocket.setPort(socketPort);
                    
                    // store this device's sending socket so we can talk back to it
                    tempDevice.sendingSocket = senderSockAddr;
                    
                    // push this new device into the vector
                    printf("New last device is %s (%s) at %s:%d\n",
                           tempDevice.identifier,
                           tempDevice.name,
                           deviceAddress,
                           socketPort);
                
                    // copy the tempDevice to the persisting lastDevice                    
                    ::lastDevice = new PairableDevice(tempDevice);
                    
                    if (::lastClient) {
                        sendLastClientToLastDevice();
                    }
                }
            } else if (senderData[0] == 'F') {
                // this is a client looking to pair with a device
                // send the most recent device this address so it can attempt to pair
                
                RequestingClient tempClient = {};
                
                int requestorMatches = sscanf(senderData, "Find %[^:]:%d",
                                              tempClient.address,
                                              &tempClient.port);
                
                if (requestorMatches == 2) {
                    // good data, copy the tempClient to the persisting lastInterfaceClient                    
                    ::lastClient = new RequestingClient(tempClient);
                    
                    printf("New last client is at %s:%d\n",
                           ::lastClient->address,
                           ::lastClient->port);
                    
                    if (::lastDevice) {
                        sendLastClientToLastDevice();
                    }
                }
            }
        }
    }
}

void DatagramProcessor::processDatagrams() {
    PerformanceWarning warn(Menu::getInstance()->isOptionChecked(MenuOption::PipelineWarnings),
                            "DatagramProcessor::processDatagrams()");
    
    HifiSockAddr senderSockAddr;
    
    static QByteArray incomingPacket;
    
    Application* application = Application::getInstance();
    NodeList* nodeList = NodeList::getInstance();
    
    while (NodeList::getInstance()->getNodeSocket().hasPendingDatagrams()) {
        incomingPacket.resize(nodeList->getNodeSocket().pendingDatagramSize());
        nodeList->getNodeSocket().readDatagram(incomingPacket.data(), incomingPacket.size(),
                                               senderSockAddr.getAddressPointer(), senderSockAddr.getPortPointer());
        
        _packetCount++;
        _byteCount += incomingPacket.size();
        
        if (nodeList->packetVersionAndHashMatch(incomingPacket)) {
            
            PacketType incomingType = packetTypeForPacket(incomingPacket);
            // only process this packet if we have a match on the packet version
            switch (incomingType) {
                case PacketTypeAudioEnvironment:
                case PacketTypeAudioStreamStats:
                case PacketTypeMixedAudio:
                case PacketTypeSilentAudioFrame: {
                    if (incomingType == PacketTypeAudioStreamStats) {
                        QMetaObject::invokeMethod(&application->_audio, "parseAudioStreamStatsPacket", Qt::QueuedConnection,
                                                  Q_ARG(QByteArray, incomingPacket));
                    } else if (incomingType == PacketTypeAudioEnvironment) {
                        QMetaObject::invokeMethod(&application->_audio, "parseAudioEnvironmentData", Qt::QueuedConnection,
                                                  Q_ARG(QByteArray, incomingPacket));
                    } else {
                        QMetaObject::invokeMethod(&application->_audio, "addReceivedAudioToStream", Qt::QueuedConnection,
                                                  Q_ARG(QByteArray, incomingPacket));
                    }
                    
                    // update having heard from the audio-mixer and record the bytes received
                    SharedNodePointer audioMixer = nodeList->sendingNodeForPacket(incomingPacket);
                    
                    if (audioMixer) {
                        audioMixer->setLastHeardMicrostamp(usecTimestampNow());
                        audioMixer->recordBytesReceived(incomingPacket.size());
                    }
                    
                    break;
                }
                case PacketTypeEntityAddResponse:
                    // this will keep creatorTokenIDs to IDs mapped correctly
                    EntityItemID::handleAddEntityResponse(incomingPacket);
                    application->getEntities()->getTree()->handleAddEntityResponse(incomingPacket);
                    break;
                case PacketTypeEntityData:
                case PacketTypeEntityErase:
                case PacketTypeVoxelData:
                case PacketTypeVoxelErase:
                case PacketTypeOctreeStats:
                case PacketTypeEnvironmentData: {
                    PerformanceWarning warn(Menu::getInstance()->isOptionChecked(MenuOption::PipelineWarnings),
                                            "Application::networkReceive()... _octreeProcessor.queueReceivedPacket()");
                    bool wantExtraDebugging = application->getLogger()->extraDebugging();
                    if (wantExtraDebugging && packetTypeForPacket(incomingPacket) == PacketTypeVoxelData) {
                        int numBytesPacketHeader = numBytesForPacketHeader(incomingPacket);
                        unsigned char* dataAt = reinterpret_cast<unsigned char*>(incomingPacket.data()) + numBytesPacketHeader;
                        dataAt += sizeof(OCTREE_PACKET_FLAGS);
                        OCTREE_PACKET_SEQUENCE sequence = (*(OCTREE_PACKET_SEQUENCE*)dataAt);
                        dataAt += sizeof(OCTREE_PACKET_SEQUENCE);
                        OCTREE_PACKET_SENT_TIME sentAt = (*(OCTREE_PACKET_SENT_TIME*)dataAt);
                        dataAt += sizeof(OCTREE_PACKET_SENT_TIME);
                        OCTREE_PACKET_SENT_TIME arrivedAt = usecTimestampNow();
                        int flightTime = arrivedAt - sentAt;
                        
                        qDebug("got an Octree data or erase message, sequence:%d flightTime:%d", sequence, flightTime);
                    }
                    
                    SharedNodePointer matchedNode = NodeList::getInstance()->sendingNodeForPacket(incomingPacket);
                    
                    if (matchedNode) {
                        // add this packet to our list of voxel packets and process them on the voxel processing
                        application->_octreeProcessor.queueReceivedPacket(matchedNode, incomingPacket);
                    }
                    
                    break;
                }
                case PacketTypeMetavoxelData:
                    nodeList->findNodeAndUpdateWithDataFromPacket(incomingPacket);
                    break;
                case PacketTypeBulkAvatarData:
                case PacketTypeKillAvatar:
                case PacketTypeAvatarIdentity:
                case PacketTypeAvatarBillboard: {
                    // update having heard from the avatar-mixer and record the bytes received
                    SharedNodePointer avatarMixer = nodeList->sendingNodeForPacket(incomingPacket);
                    
                    if (avatarMixer) {
                        avatarMixer->setLastHeardMicrostamp(usecTimestampNow());
                        avatarMixer->recordBytesReceived(incomingPacket.size());
                        
//.........这里部分代码省略.........

void DatagramProcessor::processDatagrams() {

    if (_isShuttingDown) {
        return; // bail early... we're shutting down.
    }
    PerformanceWarning warn(Menu::getInstance()->isOptionChecked(MenuOption::PipelineWarnings),
                            "DatagramProcessor::processDatagrams()");


    HifiSockAddr senderSockAddr;

    static QByteArray incomingPacket;

    Application* application = Application::getInstance();
    auto nodeList = DependencyManager::get<NodeList>();

    while (DependencyManager::get<NodeList>()->getNodeSocket().hasPendingDatagrams()) {
        incomingPacket.resize(nodeList->getNodeSocket().pendingDatagramSize());
        nodeList->readDatagram(incomingPacket, senderSockAddr.getAddressPointer(), senderSockAddr.getPortPointer());

        _inPacketCount++;
        _inByteCount += incomingPacket.size();

        if (nodeList->packetVersionAndHashMatch(incomingPacket)) {

            PacketType incomingType = packetTypeForPacket(incomingPacket);
            // only process this packet if we have a match on the packet version
            switch (incomingType) {
                case PacketTypeAudioEnvironment:
                case PacketTypeAudioStreamStats:
                case PacketTypeMixedAudio:
                case PacketTypeSilentAudioFrame: {
                    if (incomingType == PacketTypeAudioStreamStats) {
                        QMetaObject::invokeMethod(DependencyManager::get<AudioClient>().data(), "parseAudioStreamStatsPacket",
                                                  Qt::QueuedConnection,
                                                  Q_ARG(QByteArray, incomingPacket));
                    } else if (incomingType == PacketTypeAudioEnvironment) {
                        QMetaObject::invokeMethod(DependencyManager::get<AudioClient>().data(), "parseAudioEnvironmentData",
                                                  Qt::QueuedConnection,
                                                  Q_ARG(QByteArray, incomingPacket));
                    } else {
                        QMetaObject::invokeMethod(DependencyManager::get<AudioClient>().data(), "addReceivedAudioToStream",
                                                  Qt::QueuedConnection,
                                                  Q_ARG(QByteArray, incomingPacket));
                    }

                    // update having heard from the audio-mixer and record the bytes received
                    SharedNodePointer audioMixer = nodeList->sendingNodeForPacket(incomingPacket);

                    if (audioMixer) {
                        audioMixer->setLastHeardMicrostamp(usecTimestampNow());
                    }

                    break;
                }
                case PacketTypeEntityData:
                case PacketTypeEntityErase:
                case PacketTypeOctreeStats:
                case PacketTypeEnvironmentData: {
                    PerformanceWarning warn(Menu::getInstance()->isOptionChecked(MenuOption::PipelineWarnings),
                                            "Application::networkReceive()... _octreeProcessor.queueReceivedPacket()");
                    SharedNodePointer matchedNode = DependencyManager::get<NodeList>()->sendingNodeForPacket(incomingPacket);

                    if (matchedNode) {
                        // add this packet to our list of octree packets and process them on the octree data processing
                        application->_octreeProcessor.queueReceivedPacket(matchedNode, incomingPacket);
                    }
                    break;
                }
                case PacketTypeBulkAvatarData:
                case PacketTypeKillAvatar:
                case PacketTypeAvatarIdentity:
                case PacketTypeAvatarBillboard: {
                    // update having heard from the avatar-mixer and record the bytes received
                    SharedNodePointer avatarMixer = nodeList->sendingNodeForPacket(incomingPacket);

                    if (avatarMixer) {
                        avatarMixer->setLastHeardMicrostamp(usecTimestampNow());

                        QMetaObject::invokeMethod(DependencyManager::get<AvatarManager>().data(), "processAvatarMixerDatagram",
                                                  Q_ARG(const QByteArray&, incomingPacket),
                                                  Q_ARG(const QWeakPointer<Node>&, avatarMixer));
                    }
                    break;
                }
                case PacketTypeDomainConnectionDenied: {
                    int headerSize = numBytesForPacketHeaderGivenPacketType(PacketTypeDomainConnectionDenied);
                    QDataStream packetStream(QByteArray(incomingPacket.constData() + headerSize,
                                                        incomingPacket.size() - headerSize));
                    QString reason;
                    packetStream >> reason;

                    // output to the log so the user knows they got a denied connection request
                    // and check and signal for an access token so that we can make sure they are logged in
                    qCDebug(interfaceapp) << "The domain-server denied a connection request: " << reason;
                    qCDebug(interfaceapp) << "You may need to re-log to generate a keypair so you can provide a username signature.";
                    application->domainConnectionDenied(reason);
                    AccountManager::getInstance().checkAndSignalForAccessToken();
                    break;
                }
//.........这里部分代码省略.........

void AssignmentClient::readPendingDatagrams() {
    auto nodeList = DependencyManager::get<NodeList>();

    QByteArray receivedPacket;
    HifiSockAddr senderSockAddr;

    while (nodeList->getNodeSocket().hasPendingDatagrams()) {
        receivedPacket.resize(nodeList->getNodeSocket().pendingDatagramSize());
        nodeList->getNodeSocket().readDatagram(receivedPacket.data(), receivedPacket.size(),
                                               senderSockAddr.getAddressPointer(), senderSockAddr.getPortPointer());

        if (nodeList->packetVersionAndHashMatch(receivedPacket)) {
            if (packetTypeForPacket(receivedPacket) == PacketTypeCreateAssignment) {

                qDebug() << "Received a PacketTypeCreateAssignment - attempting to unpack.";

                // construct the deployed assignment from the packet data
                _currentAssignment = AssignmentFactory::unpackAssignment(receivedPacket);

                if (_currentAssignment) {
                    qDebug() << "Received an assignment -" << *_currentAssignment;

                    // switch our DomainHandler hostname and port to whoever sent us the assignment

                    nodeList->getDomainHandler().setSockAddr(senderSockAddr, _assignmentServerHostname);
                    nodeList->getDomainHandler().setAssignmentUUID(_currentAssignment->getUUID());

                    qDebug() << "Destination IP for assignment is" << nodeList->getDomainHandler().getIP().toString();

                    // start the deployed assignment
                    QThread* workerThread = new QThread;
                    workerThread->setObjectName("ThreadedAssignment Worker");

                    connect(workerThread, &QThread::started, _currentAssignment.data(), &ThreadedAssignment::run);

                    // Once the ThreadedAssignment says it is finished - we ask it to deleteLater
                    // This is a queued connection so that it is put into the event loop to be processed by the worker
                    // thread when it is ready.
                    connect(_currentAssignment.data(), &ThreadedAssignment::finished, _currentAssignment.data(),
                            &ThreadedAssignment::deleteLater, Qt::QueuedConnection);

                    // once it is deleted, we quit the worker thread
                    connect(_currentAssignment.data(), &ThreadedAssignment::destroyed, workerThread, &QThread::quit);

                    // have the worker thread remove itself once it is done
                    connect(workerThread, &QThread::finished, workerThread, &QThread::deleteLater);

                    // once the worker thread says it is done, we consider the assignment completed
                    connect(workerThread, &QThread::destroyed, this, &AssignmentClient::assignmentCompleted);

                    _currentAssignment->moveToThread(workerThread);

                    // move the NodeList to the thread used for the _current assignment
                    nodeList->moveToThread(workerThread);

                    // let the assignment handle the incoming datagrams for its duration
                    disconnect(&nodeList->getNodeSocket(), 0, this, 0);
                    connect(&nodeList->getNodeSocket(), &QUdpSocket::readyRead, _currentAssignment.data(),
                            &ThreadedAssignment::readPendingDatagrams);

                    // Starts an event loop, and emits workerThread->started()
                    workerThread->start();
                } else {
                    qDebug() << "Received an assignment that could not be unpacked. Re-requesting.";
                }
            } else if (packetTypeForPacket(receivedPacket) == PacketTypeStopNode) {
                if (senderSockAddr.getAddress() == QHostAddress::LocalHost ||
                    senderSockAddr.getAddress() == QHostAddress::LocalHostIPv6) {
                    qDebug() << "AssignmentClientMonitor at" << senderSockAddr << "requested stop via PacketTypeStopNode.";

                    QCoreApplication::quit();
                } else {
                    qDebug() << "Got a stop packet from other than localhost.";
                }
            } else {
                // have the NodeList attempt to handle it
                nodeList->processNodeData(senderSockAddr, receivedPacket);
            }
        }
    }
}

void AssignmentClient::readPendingDatagrams() {
    NodeList* nodeList = NodeList::getInstance();

    static unsigned char packetData[1500];
    static qint64 receivedBytes = 0;
    static HifiSockAddr senderSockAddr;

    while (nodeList->getNodeSocket().hasPendingDatagrams()) {

        if ((receivedBytes = nodeList->getNodeSocket().readDatagram((char*) packetData, MAX_PACKET_SIZE,
                             senderSockAddr.getAddressPointer(),
                             senderSockAddr.getPortPointer()))
                && packetVersionMatch(packetData)) {

            if (_currentAssignment) {
                // have the threaded current assignment handle this datagram
                QMetaObject::invokeMethod(_currentAssignment, "processDatagram", Qt::QueuedConnection,
                                          Q_ARG(QByteArray, QByteArray((char*) packetData, receivedBytes)),
                                          Q_ARG(HifiSockAddr, senderSockAddr));
            } else if (packetData[0] == PACKET_TYPE_DEPLOY_ASSIGNMENT || packetData[0] == PACKET_TYPE_CREATE_ASSIGNMENT) {

                if (_currentAssignment) {
                    qDebug() << "Dropping received assignment since we are currently running one.\n";
                } else {
                    // construct the deployed assignment from the packet data
                    _currentAssignment = AssignmentFactory::unpackAssignment(packetData, receivedBytes);

                    qDebug() << "Received an assignment -" << *_currentAssignment << "\n";

                    // switch our nodelist domain IP and port to whoever sent us the assignment
                    if (packetData[0] == PACKET_TYPE_CREATE_ASSIGNMENT) {
                        nodeList->setDomainSockAddr(senderSockAddr);
                        nodeList->setOwnerUUID(_currentAssignment->getUUID());

                        qDebug("Destination IP for assignment is %s\n",
                               nodeList->getDomainIP().toString().toStdString().c_str());

                        // start the deployed assignment
                        QThread* workerThread = new QThread(this);

                        connect(workerThread, SIGNAL(started()), _currentAssignment, SLOT(run()));

                        connect(_currentAssignment, SIGNAL(finished()), this, SLOT(assignmentCompleted()));
                        connect(_currentAssignment, SIGNAL(finished()), workerThread, SLOT(quit()));
                        connect(_currentAssignment, SIGNAL(finished()), _currentAssignment, SLOT(deleteLater()));
                        connect(workerThread, SIGNAL(finished()), workerThread, SLOT(deleteLater()));

                        _currentAssignment->moveToThread(workerThread);

                        // Starts an event loop, and emits workerThread->started()
                        workerThread->start();
                    } else {
                        qDebug("Received a bad destination socket for assignment.\n");
                    }
                }
            } else {
                // have the NodeList attempt to handle it
                nodeList->processNodeData(senderSockAddr, packetData, receivedBytes);
            }
        }
    }
}

void DatagramProcessor::processDatagrams() {
    PerformanceWarning warn(Menu::getInstance()->isOptionChecked(MenuOption::PipelineWarnings),
                            "DatagramProcessor::processDatagrams()");
    
    HifiSockAddr senderSockAddr;
    
    static QByteArray incomingPacket;
    
    Application* application = Application::getInstance();
    NodeList* nodeList = NodeList::getInstance();
    
    while (NodeList::getInstance()->getNodeSocket().hasPendingDatagrams()) {
        incomingPacket.resize(nodeList->getNodeSocket().pendingDatagramSize());
        nodeList->getNodeSocket().readDatagram(incomingPacket.data(), incomingPacket.size(),
                                               senderSockAddr.getAddressPointer(), senderSockAddr.getPortPointer());
        
        _packetCount++;
        _byteCount += incomingPacket.size();
        
        if (nodeList->packetVersionAndHashMatch(incomingPacket)) {
            // only process this packet if we have a match on the packet version
            switch (packetTypeForPacket(incomingPacket)) {
                case PacketTypeTransmitterData:
                    //  V2 = IOS transmitter app
                    application->getAvatar()->getTransmitter().processIncomingData(reinterpret_cast<unsigned char*>(incomingPacket.data()),
                                                                    incomingPacket.size());
                    
                    break;
                case PacketTypeMixedAudio:
                    QMetaObject::invokeMethod(&application->_audio, "addReceivedAudioToBuffer", Qt::QueuedConnection,
                                              Q_ARG(QByteArray, incomingPacket));
                    break;
                    
                case PacketTypeParticleAddResponse:
                    // this will keep creatorTokenIDs to IDs mapped correctly
                    Particle::handleAddParticleResponse(incomingPacket);
                    application->getParticles()->getTree()->handleAddParticleResponse(incomingPacket);
                    break;
                    
                case PacketTypeParticleData:
                case PacketTypeParticleErase:
                case PacketTypeVoxelData:
                case PacketTypeVoxelErase:
                case PacketTypeOctreeStats:
                case PacketTypeEnvironmentData: {
                    PerformanceWarning warn(Menu::getInstance()->isOptionChecked(MenuOption::PipelineWarnings),
                                            "Application::networkReceive()... _voxelProcessor.queueReceivedPacket()");
                    
                    bool wantExtraDebugging = application->getLogger()->extraDebugging();
                    if (wantExtraDebugging && packetTypeForPacket(incomingPacket) == PacketTypeVoxelData) {
                        int numBytesPacketHeader = numBytesForPacketHeader(incomingPacket);
                        unsigned char* dataAt = reinterpret_cast<unsigned char*>(incomingPacket.data()) + numBytesPacketHeader;
                        dataAt += sizeof(OCTREE_PACKET_FLAGS);
                        OCTREE_PACKET_SEQUENCE sequence = (*(OCTREE_PACKET_SEQUENCE*)dataAt);
                        dataAt += sizeof(OCTREE_PACKET_SEQUENCE);
                        OCTREE_PACKET_SENT_TIME sentAt = (*(OCTREE_PACKET_SENT_TIME*)dataAt);
                        dataAt += sizeof(OCTREE_PACKET_SENT_TIME);
                        OCTREE_PACKET_SENT_TIME arrivedAt = usecTimestampNow();
                        int flightTime = arrivedAt - sentAt;
                        
                        printf("got PacketType_VOXEL_DATA, sequence:%d flightTime:%d\n", sequence, flightTime);
                    }
                    
                    SharedNodePointer matchedNode = NodeList::getInstance()->sendingNodeForPacket(incomingPacket);
                    
                    if (matchedNode) {
                        // add this packet to our list of voxel packets and process them on the voxel processing
                        application->_voxelProcessor.queueReceivedPacket(matchedNode, incomingPacket);
                    }
                    
                    break;
                }
                case PacketTypeMetavoxelData:
                    nodeList->findNodeAndUpdateWithDataFromPacket(incomingPacket);
                    break;
                case PacketTypeBulkAvatarData:
                case PacketTypeKillAvatar:
                case PacketTypeAvatarIdentity:
                case PacketTypeAvatarBillboard: {
                    // update having heard from the avatar-mixer and record the bytes received
                    SharedNodePointer avatarMixer = nodeList->sendingNodeForPacket(incomingPacket);
                    
                    if (avatarMixer) {
                        avatarMixer->setLastHeardMicrostamp(usecTimestampNow());
                        avatarMixer->recordBytesReceived(incomingPacket.size());
                        
                        QMetaObject::invokeMethod(&application->getAvatarManager(), "processAvatarMixerDatagram",
                                                  Q_ARG(const QByteArray&, incomingPacket),
                                                  Q_ARG(const QWeakPointer<Node>&, avatarMixer));
                    }
                    
                    application->_bandwidthMeter.inputStream(BandwidthMeter::AVATARS).updateValue(incomingPacket.size());
                    break;
                }
                case PacketTypeDataServerGet:
                case PacketTypeDataServerPut:
                case PacketTypeDataServerSend:
                case PacketTypeDataServerConfirm:
                    DataServerClient::processMessageFromDataServer(incomingPacket);
                    break;
//.........这里部分代码省略.........

void AssignmentClient::readPendingDatagrams() {
    NodeList* nodeList = NodeList::getInstance();
    
    QByteArray receivedPacket;
    HifiSockAddr senderSockAddr;
    
    while (nodeList->getNodeSocket().hasPendingDatagrams()) {
        receivedPacket.resize(nodeList->getNodeSocket().pendingDatagramSize());
        nodeList->getNodeSocket().readDatagram(receivedPacket.data(), receivedPacket.size(),
                                               senderSockAddr.getAddressPointer(), senderSockAddr.getPortPointer());
        
        if (packetVersionMatch(receivedPacket)) {
            if (_currentAssignment) {
                // have the threaded current assignment handle this datagram
                QMetaObject::invokeMethod(_currentAssignment, "processDatagram", Qt::QueuedConnection,
                                          Q_ARG(QByteArray, receivedPacket),
                                          Q_ARG(HifiSockAddr, senderSockAddr));
            } else if (packetTypeForPacket(receivedPacket) == PacketTypeCreateAssignment) {
                
                if (_currentAssignment) {
                    qDebug() << "Dropping received assignment since we are currently running one.";
                } else {
                    // construct the deployed assignment from the packet data
                    _currentAssignment = AssignmentFactory::unpackAssignment(receivedPacket);
                    
                    if (_currentAssignment) {
                        qDebug() << "Received an assignment -" << *_currentAssignment;
                        
                        // switch our nodelist domain IP and port to whoever sent us the assignment
                        
                        nodeList->setDomainSockAddr(senderSockAddr);
                        nodeList->setOwnerUUID(_currentAssignment->getUUID());
                        
                        qDebug() << "Destination IP for assignment is" << nodeList->getDomainIP().toString();
                        
                        // start the deployed assignment
                        QThread* workerThread = new QThread(this);
                        
                        connect(workerThread, SIGNAL(started()), _currentAssignment, SLOT(run()));
                        
                        connect(_currentAssignment, SIGNAL(finished()), this, SLOT(assignmentCompleted()));
                        connect(_currentAssignment, SIGNAL(finished()), workerThread, SLOT(quit()));
                        connect(_currentAssignment, SIGNAL(finished()), _currentAssignment, SLOT(deleteLater()));
                        connect(workerThread, SIGNAL(finished()), workerThread, SLOT(deleteLater()));
                        
                        _currentAssignment->moveToThread(workerThread);
                        
                        // move the NodeList to the thread used for the _current assignment
                        nodeList->moveToThread(workerThread);
                        
                        // Starts an event loop, and emits workerThread->started()
                        workerThread->start();
                    } else {
                        qDebug() << "Received an assignment that could not be unpacked. Re-requesting.";
                    }
                }
            } else {
                // have the NodeList attempt to handle it
                nodeList->processNodeData(senderSockAddr, receivedPacket);
            }
        }
    }
}

void DatagramProcessor::processDatagrams() {
    PerformanceWarning warn(Menu::getInstance()->isOptionChecked(MenuOption::PipelineWarnings),
                            "DatagramProcessor::processDatagrams()");
    
    HifiSockAddr senderSockAddr;
    
    static QByteArray incomingPacket;
    
    Application* application = Application::getInstance();
    NodeList* nodeList = NodeList::getInstance();
    
    while (NodeList::getInstance()->getNodeSocket().hasPendingDatagrams()) {
        incomingPacket.resize(nodeList->getNodeSocket().pendingDatagramSize());
        nodeList->getNodeSocket().readDatagram(incomingPacket.data(), incomingPacket.size(),
                                               senderSockAddr.getAddressPointer(), senderSockAddr.getPortPointer());
        
        _packetCount++;
        _byteCount += incomingPacket.size();
        
        if (nodeList->packetVersionAndHashMatch(incomingPacket)) {
            // only process this packet if we have a match on the packet version
            switch (packetTypeForPacket(incomingPacket)) {
                case PacketTypeMixedAudio:
                case PacketTypeSilentAudioFrame:
                    QMetaObject::invokeMethod(&application->_audio, "addReceivedAudioToStream", Qt::QueuedConnection,
                                              Q_ARG(QByteArray, incomingPacket));
                    break;
                case PacketTypeAudioStreamStats:
                    QMetaObject::invokeMethod(&application->_audio, "parseAudioStreamStatsPacket", Qt::QueuedConnection,
                        Q_ARG(QByteArray, incomingPacket));
                    break;
                case PacketTypeParticleAddResponse:
                    // this will keep creatorTokenIDs to IDs mapped correctly
                    Particle::handleAddParticleResponse(incomingPacket);
                    application->getParticles()->getTree()->handleAddParticleResponse(incomingPacket);
                    break;
                case PacketTypeModelAddResponse:
                    // this will keep creatorTokenIDs to IDs mapped correctly
                    ModelItem::handleAddModelResponse(incomingPacket);
                    application->getModels()->getTree()->handleAddModelResponse(incomingPacket);
                    break;
                case PacketTypeParticleData:
                case PacketTypeParticleErase:
                case PacketTypeModelData:
                case PacketTypeModelErase:
                case PacketTypeVoxelData:
                case PacketTypeVoxelErase:
                case PacketTypeOctreeStats:
                case PacketTypeEnvironmentData: {
                    PerformanceWarning warn(Menu::getInstance()->isOptionChecked(MenuOption::PipelineWarnings),
                                            "Application::networkReceive()... _octreeProcessor.queueReceivedPacket()");
                    
                    bool wantExtraDebugging = application->getLogger()->extraDebugging();
                    if (wantExtraDebugging && packetTypeForPacket(incomingPacket) == PacketTypeVoxelData) {
                        int numBytesPacketHeader = numBytesForPacketHeader(incomingPacket);
                        unsigned char* dataAt = reinterpret_cast<unsigned char*>(incomingPacket.data()) + numBytesPacketHeader;
                        dataAt += sizeof(OCTREE_PACKET_FLAGS);
                        OCTREE_PACKET_SEQUENCE sequence = (*(OCTREE_PACKET_SEQUENCE*)dataAt);
                        dataAt += sizeof(OCTREE_PACKET_SEQUENCE);
                        OCTREE_PACKET_SENT_TIME sentAt = (*(OCTREE_PACKET_SENT_TIME*)dataAt);
                        dataAt += sizeof(OCTREE_PACKET_SENT_TIME);
                        OCTREE_PACKET_SENT_TIME arrivedAt = usecTimestampNow();
                        int flightTime = arrivedAt - sentAt;
                        
                        qDebug("got PacketType_VOXEL_DATA, sequence:%d flightTime:%d", sequence, flightTime);
                    }
                    
                    SharedNodePointer matchedNode = NodeList::getInstance()->sendingNodeForPacket(incomingPacket);
                    
                    if (matchedNode) {
                        // add this packet to our list of voxel packets and process them on the voxel processing
                        application->_octreeProcessor.queueReceivedPacket(matchedNode, incomingPacket);
                    }
                    
                    break;
                }
                case PacketTypeMetavoxelData:
                    nodeList->findNodeAndUpdateWithDataFromPacket(incomingPacket);
                    break;
                case PacketTypeBulkAvatarData:
                case PacketTypeKillAvatar:
                case PacketTypeAvatarIdentity:
                case PacketTypeAvatarBillboard: {
                    // update having heard from the avatar-mixer and record the bytes received
                    SharedNodePointer avatarMixer = nodeList->sendingNodeForPacket(incomingPacket);
                    
                    if (avatarMixer) {
                        avatarMixer->setLastHeardMicrostamp(usecTimestampNow());
                        avatarMixer->recordBytesReceived(incomingPacket.size());
                        
                        QMetaObject::invokeMethod(&application->getAvatarManager(), "processAvatarMixerDatagram",
                                                  Q_ARG(const QByteArray&, incomingPacket),
                                                  Q_ARG(const QWeakPointer<Node>&, avatarMixer));
                    }
                    
                    application->_bandwidthMeter.inputStream(BandwidthMeter::AVATARS).updateValue(incomingPacket.size());
                    break;
                }
                case PacketTypeDomainOAuthRequest: {
                    QDataStream readStream(incomingPacket);
//.........这里部分代码省略.........

void IceServer::processDatagrams() {
    HifiSockAddr sendingSockAddr;
    QByteArray incomingPacket;
    
    while (_serverSocket.hasPendingDatagrams()) {
        incomingPacket.resize(_serverSocket.pendingDatagramSize());
        
        _serverSocket.readDatagram(incomingPacket.data(), incomingPacket.size(),
                                   sendingSockAddr.getAddressPointer(), sendingSockAddr.getPortPointer());
        
        
        if (packetTypeForPacket(incomingPacket) == PacketTypeIceServerHeartbeat) {
            QUuid senderUUID = uuidFromPacketHeader(incomingPacket);
            
            // pull the public and private sock addrs for this peer
            HifiSockAddr publicSocket, localSocket;
            
            QDataStream hearbeatStream(incomingPacket);
            hearbeatStream.skipRawData(numBytesForPacketHeader(incomingPacket));
            
            hearbeatStream >> publicSocket >> localSocket;
            
            // make sure we have this sender in our peer hash
            SharedNetworkPeer matchingPeer = _activePeers.value(senderUUID);
            
            if (!matchingPeer) {
                // if we don't have this sender we need to create them now
                matchingPeer = SharedNetworkPeer(new NetworkPeer(senderUUID, publicSocket, localSocket));
                _activePeers.insert(senderUUID, matchingPeer);
                
                qDebug() << "Added a new network peer" << *matchingPeer;
            } else {
                // we already had the peer so just potentially update their sockets
                matchingPeer->setPublicSocket(publicSocket);
                matchingPeer->setLocalSocket(localSocket);
                
                qDebug() << "Matched hearbeat to existing network peer" << *matchingPeer;
            }
            
            // update our last heard microstamp for this network peer to now
            matchingPeer->setLastHeardMicrostamp(usecTimestampNow());
            
            // check if this node also included a UUID that they would like to connect to
            QUuid connectRequestID;
            hearbeatStream >> connectRequestID;
            
            // get the peers asking for connections with this peer
            QSet<QUuid>& requestingConnections = _currentConnections[senderUUID];
            
            if (!connectRequestID.isNull()) {
                qDebug() << "Peer wants to connect to peer with ID" << uuidStringWithoutCurlyBraces(connectRequestID);
                
                // ensure this peer is in the set of current connections for the peer with ID it wants to connect with
                _currentConnections[connectRequestID].insert(senderUUID);
                
                // add the ID of the node they have said they would like to connect to
                requestingConnections.insert(connectRequestID);
            }
            
            if (requestingConnections.size() > 0) {
                // send a heartbeart response based on the set of connections
                qDebug() << "Sending a heartbeat response to" << senderUUID << "who has" << requestingConnections.size()
                    << "potential connections";
                sendHeartbeatResponse(sendingSockAddr, requestingConnections);
            }
        }
    }