kopia lustrzana https://gitlab.com/eliggett/wfview
1605 wiersze
54 KiB
C++
1605 wiersze
54 KiB
C++
// Copyright 2021 Phil Taylor M0VSE
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// This code is heavily based on "Kappanhang" by HA2NON, ES1AKOS and W6EL!
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#include "udphandler.h"
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#include "logcategories.h"
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udpHandler::udpHandler(udpPreferences prefs, audioSetup rx, audioSetup tx) :
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controlPort(prefs.controlLANPort),
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civPort(0),
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audioPort(0),
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civLocalPort(0),
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audioLocalPort(0),
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rxSetup(rx),
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txSetup(tx)
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{
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this->port = this->controlPort;
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this->username = prefs.username;
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this->password = prefs.password;
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this->compName = prefs.clientName.mid(0,8) + "-wfview";
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qInfo(logUdp()) << "Starting udpHandler user:" << username << " rx latency:" << rxSetup.latency << " tx latency:" << txSetup.latency << " rx sample rate: " << rxSetup.format.sampleRate() <<
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" rx codec: " << rxSetup.codec << " tx sample rate: " << txSetup.format.sampleRate() << " tx codec: " << txSetup.codec;
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// Try to set the IP address, if it is a hostname then perform a DNS lookup.
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if (!radioIP.setAddress(prefs.ipAddress))
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{
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QHostInfo remote = QHostInfo::fromName(prefs.ipAddress);
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foreach(QHostAddress addr, remote.addresses())
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{
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if (addr.protocol() == QAbstractSocket::IPv4Protocol) {
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radioIP = addr;
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qInfo(logUdp()) << "Got IP Address :" << prefs.ipAddress << ": " << addr.toString();
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break;
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}
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}
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if (radioIP.isNull())
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{
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qInfo(logUdp()) << "Error obtaining IP Address for :" << prefs.ipAddress << ": " << remote.errorString();
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return;
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}
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}
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// Convoluted way to find the external IP address, there must be a better way????
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QString localhostname = QHostInfo::localHostName();
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QList<QHostAddress> hostList = QHostInfo::fromName(localhostname).addresses();
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foreach(const QHostAddress & address, hostList)
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{
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if (address.protocol() == QAbstractSocket::IPv4Protocol && address.isLoopback() == false)
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{
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localIP = QHostAddress(address.toString());
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}
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}
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}
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void udpHandler::init()
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{
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udpBase::init(0); // Perform UDP socket initialization.
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// Connect socket to my dataReceived function.
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QUdpSocket::connect(udp, &QUdpSocket::readyRead, this, &udpHandler::dataReceived);
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/*
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Connect various timers
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*/
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tokenTimer = new QTimer();
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areYouThereTimer = new QTimer();
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pingTimer = new QTimer();
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idleTimer = new QTimer();
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connect(tokenTimer, &QTimer::timeout, this, std::bind(&udpHandler::sendToken, this, 0x05));
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connect(areYouThereTimer, &QTimer::timeout, this, std::bind(&udpBase::sendControl, this, false, 0x03, 0));
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connect(pingTimer, &QTimer::timeout, this, &udpBase::sendPing);
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connect(idleTimer, &QTimer::timeout, this, std::bind(&udpBase::sendControl, this, true, 0, 0));
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// Start sending are you there packets - will be stopped once "I am here" received
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areYouThereTimer->start(AREYOUTHERE_PERIOD);
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}
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udpHandler::~udpHandler()
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{
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if (streamOpened) {
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if (audio != Q_NULLPTR) {
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delete audio;
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}
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if (civ != Q_NULLPTR) {
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delete civ;
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}
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qInfo(logUdp()) << "Sending token removal packet";
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sendToken(0x01);
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if (tokenTimer != Q_NULLPTR)
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{
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tokenTimer->stop();
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delete tokenTimer;
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}
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if (watchdogTimer != Q_NULLPTR)
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{
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watchdogTimer->stop();
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delete watchdogTimer;
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}
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}
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}
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void udpHandler::changeLatency(quint16 value)
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{
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emit haveChangeLatency(value);
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}
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void udpHandler::setVolume(unsigned char value)
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{
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emit haveSetVolume(value);
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}
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void udpHandler::receiveFromCivStream(QByteArray data)
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{
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emit haveDataFromPort(data);
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}
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void udpHandler::receiveAudioData(const audioPacket &data)
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{
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emit haveAudioData(data);
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}
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void udpHandler::receiveDataFromUserToRig(QByteArray data)
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{
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if (civ != Q_NULLPTR)
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{
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civ->send(data);
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}
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}
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void udpHandler::dataReceived()
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{
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while (udp->hasPendingDatagrams()) {
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lastReceived = QTime::currentTime();
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QNetworkDatagram datagram = udp->receiveDatagram();
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QByteArray r = datagram.data();
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switch (r.length())
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{
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case (CONTROL_SIZE): // control packet
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{
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control_packet_t in = (control_packet_t)r.constData();
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if (in->type == 0x04) {
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// If timer is active, stop it as they are obviously there!
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qInfo(logUdp()) << this->metaObject()->className() << ": Received I am here from: " <<datagram.senderAddress();
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if (areYouThereTimer->isActive()) {
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// send ping packets every second
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areYouThereTimer->stop();
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pingTimer->start(PING_PERIOD);
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idleTimer->start(IDLE_PERIOD);
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}
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}
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// This is "I am ready" in response to "Are you ready" so send login.
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else if (in->type == 0x06)
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{
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qInfo(logUdp()) << this->metaObject()->className() << ": Received I am ready";
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sendLogin(); // send login packet
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}
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break;
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}
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case (PING_SIZE): // ping packet
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{
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ping_packet_t in = (ping_packet_t)r.constData();
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if (in->type == 0x07 && in->reply == 0x01 && streamOpened)
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{
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// This is a response to our ping request so measure latency
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status.networkLatency += lastPingSentTime.msecsTo(QDateTime::currentDateTime());
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status.networkLatency /= 2;
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status.packetsSent = packetsSent;
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status.packetsLost = packetsLost;
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if (audio != Q_NULLPTR) {
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status.packetsSent = status.packetsSent + audio->packetsSent;
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status.packetsLost = status.packetsLost + audio->packetsLost;
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}
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if (civ != Q_NULLPTR) {
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status.packetsSent = status.packetsSent + civ->packetsSent;
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status.packetsLost = status.packetsLost + civ->packetsLost;
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}
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QString tempLatency;
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status.rxLatency = audio->audioLatency;
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if (rxSetup.latency > audio->audioLatency)
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{
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tempLatency = QString("%1 ms").arg(audio->audioLatency,3);
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}
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else {
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tempLatency = QString("<span style = \"color:red\">%1 ms</span>").arg(audio->audioLatency,3);
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}
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QString txString="";
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if (txSetup.codec == 0) {
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txString = "(no tx)";
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}
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status.message = QString("<pre>%1 rx latency: %2 / rtt: %3 ms / loss: %4/%5</pre>").arg(txString).arg(tempLatency).arg(status.networkLatency, 3).arg(status.packetsLost, 3).arg(status.packetsSent, 3);
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if (audio != Q_NULLPTR) {
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status.rxAudioLevel = audio->getRxAmplitude();
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status.txAudioLevel = audio->getTxAmplitude();
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}
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emit haveNetworkStatus(status);
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}
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break;
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}
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case (TOKEN_SIZE): // Response to Token request
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{
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token_packet_t in = (token_packet_t)r.constData();
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if (in->res == 0x05 && in->type != 0x01)
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{
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if (in->response == 0x0000)
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{
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qDebug(logUdp()) << this->metaObject()->className() << ": Token renewal successful";
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tokenTimer->start(TOKEN_RENEWAL);
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gotAuthOK = true;
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if (!streamOpened)
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{
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sendRequestStream();
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}
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}
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else if (in->response == 0xffffffff)
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{
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qWarning() << this->metaObject()->className() << ": Radio rejected token renewal, performing login";
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remoteId = in->sentid;
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tokRequest = in->tokrequest;
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token = in->token;
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streamOpened = false;
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sendRequestStream();
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// Got new token response
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//sendToken(0x02); // Update it.
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}
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else
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{
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qWarning() << this->metaObject()->className() << ": Unknown response to token renewal? " << in->response;
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}
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}
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break;
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}
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case (STATUS_SIZE): // Status packet
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{
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status_packet_t in = (status_packet_t)r.constData();
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if (in->type != 0x01) {
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if (in->error == 0xffffffff && !streamOpened)
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{
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emit haveNetworkError(radioIP.toString(), "Connection failed, wait a few minutes or reboot the radio.");
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qInfo(logUdp()) << this->metaObject()->className() << ": Connection failed, wait a few minutes or reboot the radio.";
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}
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else if (in->error == 0x00000000 && in->disc == 0x01)
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{
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emit haveNetworkError(radioIP.toString(), "Got radio disconnected.");
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qInfo(logUdp()) << this->metaObject()->className() << ": Got radio disconnected.";
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if (streamOpened) {
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// Close stream connections but keep connection open to the radio.
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if (audio != Q_NULLPTR) {
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delete audio;
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audio = Q_NULLPTR;
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}
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if (civ != Q_NULLPTR) {
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delete civ;
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civ = Q_NULLPTR;
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}
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streamOpened = false;
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}
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}
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else {
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civPort = qFromBigEndian(in->civport);
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audioPort = qFromBigEndian(in->audioport);
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if (!streamOpened) {
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civ = new udpCivData(localIP, radioIP, civPort, civLocalPort);
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// TX is not supported
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if (txSampleRates < 2) {
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txSetup.format.setSampleRate(0);
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txSetup.codec = 0;
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}
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audio = new udpAudio(localIP, radioIP, audioPort, audioLocalPort, rxSetup, txSetup);
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QObject::connect(civ, SIGNAL(receive(QByteArray)), this, SLOT(receiveFromCivStream(QByteArray)));
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QObject::connect(audio, SIGNAL(haveAudioData(audioPacket)), this, SLOT(receiveAudioData(audioPacket)));
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QObject::connect(this, SIGNAL(haveChangeLatency(quint16)), audio, SLOT(changeLatency(quint16)));
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QObject::connect(this, SIGNAL(haveSetVolume(unsigned char)), audio, SLOT(setVolume(unsigned char)));
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streamOpened = true;
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}
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qInfo(logUdp()) << this->metaObject()->className() << "Got serial and audio request success, device name: " << devName;
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}
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}
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break;
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}
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case(LOGIN_RESPONSE_SIZE): // Response to Login packet.
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{
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login_response_packet_t in = (login_response_packet_t)r.constData();
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if (in->type != 0x01) {
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connectionType = in->connection;
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qInfo(logUdp()) << "Got connection type:" << connectionType;
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if (connectionType == "FTTH")
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{
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highBandwidthConnection = true;
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}
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if (connectionType != "WFVIEW") // NOT WFVIEW
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{
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if (rxSetup.codec >= 0x40 || txSetup.codec >= 0x40)
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{
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emit haveNetworkError(QString("UDP"), QString("Opus codec not supported, forcing LPCM16"));
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if (rxSetup.codec >= 0x40)
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rxSetup.codec = 0x04;
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if (txSetup.codec >= 0x40)
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txSetup.codec = 0x04;
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}
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}
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if (in->error == 0xfeffffff)
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{
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status.message = "Invalid Username/Password";
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qInfo(logUdp()) << this->metaObject()->className() << ": Invalid Username/Password";
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}
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else if (!isAuthenticated)
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{
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if (in->tokrequest == tokRequest)
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{
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status.message="Radio Login OK!";
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qInfo(logUdp()) << this->metaObject()->className() << ": Received matching token response to our request";
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token = in->token;
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sendToken(0x02);
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tokenTimer->start(TOKEN_RENEWAL); // Start token request timer
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isAuthenticated = true;
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}
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else
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{
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qInfo(logUdp()) << this->metaObject()->className() << ": Token response did not match, sent:" << tokRequest << " got " << in->tokrequest;
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}
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}
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qInfo(logUdp()) << this->metaObject()->className() << ": Detected connection speed " << in->connection;
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}
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break;
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}
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case (CONNINFO_SIZE):
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{
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// Once connected, the server will send a conninfo packet for each radio that is connected
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conninfo_packet_t in = (conninfo_packet_t)r.constData();
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QHostAddress ip = QHostAddress(qToBigEndian(in->ipaddress));
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qInfo(logUdp()) << "Got Connection status for:" << in->name << "Busy:" << in->busy << "Computer" << in->computer << "IP" << ip.toString();
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// First we need to find this radio in our capabilities packet, there aren't many so just step through
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for (unsigned char f = 0; f < radios.length(); f++)
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{
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if ((radios[f].commoncap == 0x8010 &&
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radios[f].macaddress[0] == in->macaddress[0] &&
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radios[f].macaddress[1] == in->macaddress[1] &&
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radios[f].macaddress[2] == in->macaddress[2] &&
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radios[f].macaddress[3] == in->macaddress[3] &&
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radios[f].macaddress[4] == in->macaddress[4] &&
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radios[f].macaddress[5] == in->macaddress[5]) ||
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!memcmp(radios[f].guid,in->guid, GUIDLEN))
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{
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emit setRadioUsage(f, in->busy, QString(in->computer), ip.toString());
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}
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}
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if (in->type != 0x01 && !streamOpened) {
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if (in->busy && numRadios == 1)
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{
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if (in->ipaddress != 0x00 && strcmp(in->computer, compName.toLocal8Bit()))
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{
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status.message = devName + " in use by: " + in->computer + " (" + ip.toString() + ")";
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sendControl(false, 0x00, in->seq); // Respond with an idle
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}
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else {
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}
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}
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else if (!in->busy && numRadios == 1)
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{
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status.message = devName + " available";
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setCurrentRadio(0);
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}
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}
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else if (streamOpened)
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/* If another client connects/disconnects from the server, the server will emit
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a CONNINFO packet, send our details to confirm we still want the stream */
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{
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// Received while stream is open.
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//sendRequestStream();
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}
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break;
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}
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default:
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{
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if ((r.length() - CAPABILITIES_SIZE) % RADIO_CAP_SIZE != 0)
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{
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// Likely a retransmit request?
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break;
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}
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capabilities_packet_t in = (capabilities_packet_t)r.constData();
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numRadios = in->numradios;
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for (int f = CAPABILITIES_SIZE; f < r.length(); f = f + RADIO_CAP_SIZE) {
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radio_cap_packet rad;
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const char* tmpRad = r.constData();
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memcpy(&rad, tmpRad+f, RADIO_CAP_SIZE);
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radios.append(rad);
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}
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for(const radio_cap_packet &radio : radios)
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{
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qInfo(logUdp()) << this->metaObject()->className() << "Received radio capabilities, Name:" <<
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radio.name << " Audio:" <<
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radio.audio << "CIV:" << hex << (unsigned char)radio.civ <<
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"CAPF" << radio.capf;
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}
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emit requestRadioSelection(radios);
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break;
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}
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}
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udpBase::dataReceived(r); // Call parent function to process the rest.
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r.clear();
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datagram.clear();
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}
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return;
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}
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void udpHandler::setCurrentRadio(quint8 radio) {
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qInfo(logUdp()) << "Got Radio" << radio;
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qInfo(logUdp()) << "Find available local ports";
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/* This seems to be the only way to find some available local ports.
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The problem is we need to know the local AND remote ports but send the
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local port to the server first and it replies with the remote ports! */
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if (civLocalPort == 0 || audioLocalPort == 0) {
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QUdpSocket* tempudp = new QUdpSocket();
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tempudp->bind(); // Bind to random port.
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civLocalPort = tempudp->localPort();
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tempudp->close();
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tempudp->bind();
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audioLocalPort = tempudp->localPort();
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tempudp->close();
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delete tempudp;
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}
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int baudrate = qFromBigEndian(radios[radio].baudrate);
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emit haveBaudRate(baudrate);
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if (radios[radio].commoncap == 0x8010) {
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memcpy(&macaddress, radios[radio].macaddress, sizeof(macaddress));
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useGuid = false;
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}
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else {
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useGuid = true;
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memcpy(&guid, radios[radio].guid, GUIDLEN);
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}
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devName =radios[radio].name;
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audioType = radios[radio].audio;
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civId = radios[radio].civ;
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rxSampleRates = radios[radio].rxsample;
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txSampleRates = radios[radio].txsample;
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sendRequestStream();
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}
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void udpHandler::sendRequestStream()
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{
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QByteArray usernameEncoded;
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passcode(username, usernameEncoded);
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conninfo_packet p;
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memset(p.packet, 0x0, sizeof(p)); // We can't be sure it is initialized with 0x00!
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p.len = sizeof(p);
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p.sentid = myId;
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p.rcvdid = remoteId;
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p.code = 0x0180;
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p.res = 0x03;
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if (!useGuid) {
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p.commoncap = 0x8010;
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memcpy(&p.macaddress, macaddress, 6);
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}
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else {
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memcpy(&p.guid, guid, GUIDLEN);
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}
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p.innerseq = authSeq++;
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p.tokrequest = tokRequest;
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p.token = token;
|
|
memcpy(&p.name, devName.toLocal8Bit().constData(), devName.length());
|
|
p.rxenable = 1;
|
|
if (this->txSampleRates > 1) {
|
|
p.txenable = 1;
|
|
p.txcodec = txSetup.codec;
|
|
}
|
|
p.rxcodec = rxSetup.codec;
|
|
memcpy(&p.username, usernameEncoded.constData(), usernameEncoded.length());
|
|
p.rxsample = qToBigEndian((quint32)rxSetup.format.sampleRate());
|
|
p.txsample = qToBigEndian((quint32)txSetup.format.sampleRate());
|
|
p.civport = qToBigEndian((quint32)civLocalPort);
|
|
p.audioport = qToBigEndian((quint32)audioLocalPort);
|
|
p.txbuffer = qToBigEndian((quint32)txSetup.latency);
|
|
p.convert = 1;
|
|
sendTrackedPacket(QByteArray::fromRawData((const char*)p.packet, sizeof(p)));
|
|
return;
|
|
}
|
|
|
|
void udpHandler::sendAreYouThere()
|
|
{
|
|
if (areYouThereCounter == 20)
|
|
{
|
|
qInfo(logUdp()) << this->metaObject()->className() << ": Radio not responding.";
|
|
status.message = "Radio not responding!";
|
|
}
|
|
qInfo(logUdp()) << this->metaObject()->className() << ": Sending Are You There...";
|
|
|
|
areYouThereCounter++;
|
|
udpBase::sendControl(false,0x03,0x00);
|
|
}
|
|
|
|
void udpHandler::sendLogin() // Only used on control stream.
|
|
{
|
|
|
|
qInfo(logUdp()) << this->metaObject()->className() << ": Sending login packet";
|
|
|
|
tokRequest = static_cast<quint16>(rand() | rand() << 8); // Generate random token request.
|
|
|
|
QByteArray usernameEncoded;
|
|
QByteArray passwordEncoded;
|
|
passcode(username, usernameEncoded);
|
|
passcode(password, passwordEncoded);
|
|
|
|
login_packet p;
|
|
memset(p.packet, 0x0, sizeof(p)); // We can't be sure it is initialized with 0x00!
|
|
p.len = sizeof(p);
|
|
p.sentid = myId;
|
|
p.rcvdid = remoteId;
|
|
p.code = 0x0170; // Not sure what this is?
|
|
p.innerseq = authSeq++;
|
|
p.tokrequest = tokRequest;
|
|
memcpy(p.username, usernameEncoded.constData(), usernameEncoded.length());
|
|
memcpy(p.password, passwordEncoded.constData(), passwordEncoded.length());
|
|
memcpy(p.name, compName.toLocal8Bit().constData(), compName.length());
|
|
|
|
sendTrackedPacket(QByteArray::fromRawData((const char*)p.packet, sizeof(p)));
|
|
return;
|
|
}
|
|
|
|
void udpHandler::sendToken(uint8_t magic)
|
|
{
|
|
qDebug(logUdp()) << this->metaObject()->className() << "Sending Token request: " << magic;
|
|
|
|
token_packet p;
|
|
memset(p.packet, 0x0, sizeof(p)); // We can't be sure it is initialized with 0x00!
|
|
p.len = sizeof(p);
|
|
p.sentid = myId;
|
|
p.rcvdid = remoteId;
|
|
p.code = 0x0130; // Not sure what this is?
|
|
p.res = magic;
|
|
p.innerseq = authSeq++;
|
|
p.tokrequest = tokRequest;
|
|
p.token = token;
|
|
|
|
sendTrackedPacket(QByteArray::fromRawData((const char *)p.packet, sizeof(p)));
|
|
// The radio should request a repeat of the token renewal packet via retransmission!
|
|
//tokenTimer->start(100); // Set 100ms timer for retry (this will be cancelled if a response is received)
|
|
return;
|
|
}
|
|
|
|
|
|
// Class that manages all Civ Data to/from the rig
|
|
udpCivData::udpCivData(QHostAddress local, QHostAddress ip, quint16 civPort,quint16 localPort=0)
|
|
{
|
|
qInfo(logUdp()) << "Starting udpCivData";
|
|
localIP = local;
|
|
port = civPort;
|
|
radioIP = ip;
|
|
|
|
udpBase::init(localPort); // Perform connection
|
|
|
|
QUdpSocket::connect(udp, &QUdpSocket::readyRead, this, &udpCivData::dataReceived);
|
|
|
|
sendControl(false, 0x03, 0x00); // First connect packet
|
|
|
|
/*
|
|
Connect various timers
|
|
*/
|
|
pingTimer = new QTimer();
|
|
idleTimer = new QTimer();
|
|
areYouThereTimer = new QTimer();
|
|
startCivDataTimer = new QTimer();
|
|
watchdogTimer = new QTimer();
|
|
|
|
connect(pingTimer, &QTimer::timeout, this, &udpBase::sendPing);
|
|
connect(watchdogTimer, &QTimer::timeout, this, &udpCivData::watchdog);
|
|
connect(idleTimer, &QTimer::timeout, this, std::bind(&udpBase::sendControl, this, true, 0, 0));
|
|
connect(startCivDataTimer, &QTimer::timeout, this, std::bind(&udpCivData::sendOpenClose, this, false));
|
|
connect(areYouThereTimer, &QTimer::timeout, this, std::bind(&udpBase::sendControl, this, false, 0x03, 0));
|
|
watchdogTimer->start(WATCHDOG_PERIOD);
|
|
// Start sending are you there packets - will be stopped once "I am here" received
|
|
// send ping packets every 100 ms (maybe change to less frequent?)
|
|
pingTimer->start(PING_PERIOD);
|
|
// Send idle packets every 100ms, this timer will be reset every time a non-idle packet is sent.
|
|
idleTimer->start(IDLE_PERIOD);
|
|
areYouThereTimer->start(AREYOUTHERE_PERIOD);
|
|
}
|
|
|
|
udpCivData::~udpCivData()
|
|
{
|
|
sendOpenClose(true);
|
|
if (startCivDataTimer != Q_NULLPTR)
|
|
{
|
|
startCivDataTimer->stop();
|
|
delete startCivDataTimer;
|
|
startCivDataTimer = Q_NULLPTR;
|
|
}
|
|
if (pingTimer != Q_NULLPTR)
|
|
{
|
|
pingTimer->stop();
|
|
delete pingTimer;
|
|
pingTimer = Q_NULLPTR;
|
|
}
|
|
if (idleTimer != Q_NULLPTR)
|
|
{
|
|
idleTimer->stop();
|
|
delete idleTimer;
|
|
idleTimer = Q_NULLPTR;
|
|
}
|
|
if (watchdogTimer != Q_NULLPTR)
|
|
{
|
|
watchdogTimer->stop();
|
|
delete watchdogTimer;
|
|
watchdogTimer = Q_NULLPTR;
|
|
}
|
|
}
|
|
|
|
void udpCivData::watchdog()
|
|
{
|
|
static bool alerted = false;
|
|
if (lastReceived.msecsTo(QTime::currentTime()) > 2000)
|
|
{
|
|
if (!alerted) {
|
|
qInfo(logUdp()) << " CIV Watchdog: no CIV data received for 2s, requesting data start.";
|
|
if (startCivDataTimer != Q_NULLPTR)
|
|
{
|
|
startCivDataTimer->start(100);
|
|
}
|
|
alerted = true;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
alerted = false;
|
|
}
|
|
}
|
|
|
|
void udpCivData::send(QByteArray d)
|
|
{
|
|
//qInfo(logUdp()) << "Sending: (" << d.length() << ") " << d;
|
|
data_packet p;
|
|
memset(p.packet, 0x0, sizeof(p)); // We can't be sure it is initialized with 0x00!
|
|
p.len = sizeof(p)+d.length();
|
|
p.sentid = myId;
|
|
p.rcvdid = remoteId;
|
|
p.reply = (char)0xc1;
|
|
p.datalen = d.length();
|
|
p.sendseq = qToBigEndian(sendSeqB); // THIS IS BIG ENDIAN!
|
|
|
|
QByteArray t = QByteArray::fromRawData((const char*)p.packet, sizeof(p));
|
|
t.append(d);
|
|
sendTrackedPacket(t);
|
|
sendSeqB++;
|
|
return;
|
|
}
|
|
|
|
|
|
void udpCivData::sendOpenClose(bool close)
|
|
{
|
|
uint8_t magic = 0x04;
|
|
|
|
if (close)
|
|
{
|
|
magic = 0x00;
|
|
}
|
|
|
|
openclose_packet p;
|
|
memset(p.packet, 0x0, sizeof(p)); // We can't be sure it is initialized with 0x00!
|
|
p.len = sizeof(p);
|
|
p.sentid = myId;
|
|
p.rcvdid = remoteId;
|
|
p.data = 0x01c0; // Not sure what other values are available:
|
|
p.sendseq = qToBigEndian(sendSeqB);
|
|
p.magic = magic;
|
|
|
|
sendSeqB++;
|
|
|
|
sendTrackedPacket(QByteArray::fromRawData((const char*)p.packet, sizeof(p)));
|
|
return;
|
|
}
|
|
|
|
|
|
|
|
void udpCivData::dataReceived()
|
|
{
|
|
while (udp->hasPendingDatagrams())
|
|
{
|
|
QNetworkDatagram datagram = udp->receiveDatagram();
|
|
//qInfo(logUdp()) << "Received: " << datagram.data();
|
|
QByteArray r = datagram.data();
|
|
|
|
|
|
switch (r.length())
|
|
{
|
|
case (CONTROL_SIZE): // Control packet
|
|
{
|
|
control_packet_t in = (control_packet_t)r.constData();
|
|
if (in->type == 0x04)
|
|
{
|
|
areYouThereTimer->stop();
|
|
}
|
|
else if (in->type == 0x06)
|
|
{
|
|
// Update remoteId
|
|
remoteId = in->sentid;
|
|
// Manually send a CIV start request and start the timer if it isn't received.
|
|
// The timer will be stopped as soon as valid CIV data is received.
|
|
sendOpenClose(false);
|
|
if (startCivDataTimer != Q_NULLPTR) {
|
|
startCivDataTimer->start(100);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
if (r.length() > 21) {
|
|
data_packet_t in = (data_packet_t)r.constData();
|
|
if (in->type != 0x01) {
|
|
// Process this packet, any re-transmit requests will happen later.
|
|
//uint16_t gotSeq = qFromLittleEndian<quint16>(r.mid(6, 2));
|
|
// We have received some Civ data so stop sending Start packets!
|
|
if (startCivDataTimer != Q_NULLPTR) {
|
|
startCivDataTimer->stop();
|
|
}
|
|
lastReceived = QTime::currentTime();
|
|
if (quint16(in->datalen + 0x15) == (quint16)in->len)
|
|
{
|
|
//if (r.mid(0x15).length() != 157)
|
|
emit receive(r.mid(0x15));
|
|
//qDebug(logUdp()) << "Got incoming CIV datagram" << r.mid(0x15).length();
|
|
}
|
|
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
udpBase::dataReceived(r); // Call parent function to process the rest.
|
|
|
|
r.clear();
|
|
datagram.clear();
|
|
|
|
}
|
|
}
|
|
|
|
|
|
// Audio stream
|
|
udpAudio::udpAudio(QHostAddress local, QHostAddress ip, quint16 audioPort, quint16 lport, audioSetup rxSetup, audioSetup txSetup)
|
|
{
|
|
qInfo(logUdp()) << "Starting udpAudio";
|
|
this->localIP = local;
|
|
this->port = audioPort;
|
|
this->radioIP = ip;
|
|
|
|
if (txSetup.format.sampleRate() == 0) {
|
|
enableTx = false;
|
|
}
|
|
|
|
init(lport); // Perform connection
|
|
|
|
QUdpSocket::connect(udp, &QUdpSocket::readyRead, this, &udpAudio::dataReceived);
|
|
|
|
rxaudio = new audioHandler();
|
|
rxAudioThread = new QThread(this);
|
|
|
|
rxaudio->moveToThread(rxAudioThread);
|
|
|
|
rxAudioThread->start(QThread::TimeCriticalPriority);
|
|
|
|
connect(this, SIGNAL(setupRxAudio(audioSetup)), rxaudio, SLOT(init(audioSetup)));
|
|
|
|
// signal/slot not currently used.
|
|
connect(this, SIGNAL(haveAudioData(audioPacket)), rxaudio, SLOT(incomingAudio(audioPacket)));
|
|
connect(this, SIGNAL(haveChangeLatency(quint16)), rxaudio, SLOT(changeLatency(quint16)));
|
|
connect(this, SIGNAL(haveSetVolume(unsigned char)), rxaudio, SLOT(setVolume(unsigned char)));
|
|
connect(rxAudioThread, SIGNAL(finished()), rxaudio, SLOT(deleteLater()));
|
|
|
|
txSetup.format.setChannelCount(1); // TX Audio is always single channel.
|
|
|
|
txaudio = new audioHandler();
|
|
txAudioThread = new QThread(this);
|
|
|
|
txaudio->moveToThread(txAudioThread);
|
|
|
|
txAudioThread->start(QThread::TimeCriticalPriority);
|
|
|
|
connect(this, SIGNAL(setupTxAudio(audioSetup)), txaudio, SLOT(init(audioSetup)));
|
|
|
|
connect(txAudioThread, SIGNAL(finished()), txaudio, SLOT(deleteLater()));
|
|
|
|
sendControl(false, 0x03, 0x00); // First connect packet
|
|
|
|
pingTimer = new QTimer();
|
|
connect(pingTimer, &QTimer::timeout, this, &udpBase::sendPing);
|
|
pingTimer->start(PING_PERIOD); // send ping packets every 100ms
|
|
|
|
if (enableTx) {
|
|
emit setupTxAudio(txSetup);
|
|
}
|
|
|
|
emit setupRxAudio(rxSetup);
|
|
|
|
watchdogTimer = new QTimer();
|
|
connect(watchdogTimer, &QTimer::timeout, this, &udpAudio::watchdog);
|
|
watchdogTimer->start(WATCHDOG_PERIOD);
|
|
|
|
txAudioTimer = new QTimer();
|
|
txAudioTimer->setTimerType(Qt::PreciseTimer);
|
|
connect(txAudioTimer, &QTimer::timeout, this, &udpAudio::sendTxAudio);
|
|
|
|
areYouThereTimer = new QTimer();
|
|
connect(areYouThereTimer, &QTimer::timeout, this, std::bind(&udpBase::sendControl, this, false, 0x03, 0));
|
|
areYouThereTimer->start(AREYOUTHERE_PERIOD);
|
|
}
|
|
|
|
udpAudio::~udpAudio()
|
|
{
|
|
if (pingTimer != Q_NULLPTR)
|
|
{
|
|
qDebug(logUdp()) << "Stopping pingTimer";
|
|
pingTimer->stop();
|
|
delete pingTimer;
|
|
pingTimer = Q_NULLPTR;
|
|
}
|
|
|
|
if (idleTimer != Q_NULLPTR)
|
|
{
|
|
qDebug(logUdp()) << "Stopping idleTimer";
|
|
idleTimer->stop();
|
|
delete idleTimer;
|
|
idleTimer = Q_NULLPTR;
|
|
}
|
|
|
|
if (watchdogTimer != Q_NULLPTR)
|
|
{
|
|
qDebug(logUdp()) << "Stopping watchdogTimer";
|
|
watchdogTimer->stop();
|
|
delete watchdogTimer;
|
|
watchdogTimer = Q_NULLPTR;
|
|
}
|
|
|
|
if (txAudioTimer != Q_NULLPTR)
|
|
{
|
|
qDebug(logUdp()) << "Stopping txaudio timer";
|
|
txAudioTimer->stop();
|
|
delete txAudioTimer;
|
|
}
|
|
|
|
if (rxAudioThread != Q_NULLPTR) {
|
|
qDebug(logUdp()) << "Stopping rxaudio thread";
|
|
rxAudioThread->quit();
|
|
rxAudioThread->wait();
|
|
}
|
|
|
|
if (txAudioThread != Q_NULLPTR) {
|
|
qDebug(logUdp()) << "Stopping txaudio thread";
|
|
txAudioThread->quit();
|
|
txAudioThread->wait();
|
|
}
|
|
qDebug(logUdp()) << "udpHandler successfully closed";
|
|
}
|
|
|
|
void udpAudio::watchdog()
|
|
{
|
|
static bool alerted = false;
|
|
if (lastReceived.msecsTo(QTime::currentTime()) > 2000)
|
|
{
|
|
if (!alerted) {
|
|
/* Just log it at the moment, maybe try signalling the control channel that it needs to
|
|
try requesting civ/audio again? */
|
|
|
|
qInfo(logUdp()) << " Audio Watchdog: no audio data received for 2s, restart required?";
|
|
alerted = true;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
alerted = false;
|
|
}
|
|
}
|
|
|
|
|
|
void udpAudio::sendTxAudio()
|
|
{
|
|
if (txaudio == Q_NULLPTR) {
|
|
return;
|
|
}
|
|
QByteArray audio;
|
|
if (audioMutex.try_lock_for(std::chrono::milliseconds(LOCK_PERIOD)))
|
|
{
|
|
txaudio->getNextAudioChunk(audio);
|
|
// Now we have the next audio chunk, we can release the mutex.
|
|
audioMutex.unlock();
|
|
|
|
if (audio.length() > 0) {
|
|
int counter = 1;
|
|
int len = 0;
|
|
|
|
while (len < audio.length()) {
|
|
QByteArray partial = audio.mid(len, 1364);
|
|
audio_packet p;
|
|
memset(p.packet, 0x0, sizeof(p)); // We can't be sure it is initialized with 0x00!
|
|
p.len = sizeof(p) + partial.length();
|
|
p.sentid = myId;
|
|
p.rcvdid = remoteId;
|
|
if (partial.length() == 0xa0) {
|
|
p.ident = 0x9781;
|
|
}
|
|
else {
|
|
p.ident = 0x0080; // TX audio is always this?
|
|
}
|
|
p.datalen = (quint16)qToBigEndian((quint16)partial.length());
|
|
p.sendseq = (quint16)qToBigEndian((quint16)sendAudioSeq); // THIS IS BIG ENDIAN!
|
|
QByteArray tx = QByteArray::fromRawData((const char*)p.packet, sizeof(p));
|
|
tx.append(partial);
|
|
len = len + partial.length();
|
|
//qInfo(logUdp()) << "Sending audio packet length: " << tx.length();
|
|
sendTrackedPacket(tx);
|
|
sendAudioSeq++;
|
|
counter++;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
qInfo(logUdpServer()) << "Unable to lock mutex for rxaudio";
|
|
}
|
|
}
|
|
|
|
void udpAudio::changeLatency(quint16 value)
|
|
{
|
|
emit haveChangeLatency(value);
|
|
}
|
|
|
|
void udpAudio::setVolume(unsigned char value)
|
|
{
|
|
emit haveSetVolume(value);
|
|
}
|
|
|
|
quint16 udpAudio::getRxAmplitude() {
|
|
if (rxaudio != Q_NULLPTR) {
|
|
return rxaudio->getAmplitude();
|
|
}
|
|
else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
quint16 udpAudio::getTxAmplitude() {
|
|
if (txaudio != Q_NULLPTR) {
|
|
return txaudio->getAmplitude();
|
|
}
|
|
else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
void udpAudio::dataReceived()
|
|
{
|
|
while (udp->hasPendingDatagrams()) {
|
|
QNetworkDatagram datagram = udp->receiveDatagram();
|
|
//qInfo(logUdp()) << "Received: " << datagram.data().mid(0,10);
|
|
QByteArray r = datagram.data();
|
|
|
|
switch (r.length())
|
|
{
|
|
case (16): // Response to control packet handled in udpBase
|
|
{
|
|
control_packet_t in = (control_packet_t)r.constData();
|
|
if (in->type == 0x04 && enableTx)
|
|
{
|
|
txAudioTimer->start(AUDIO_PERIOD);
|
|
}
|
|
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
/* Audio packets start as follows:
|
|
PCM 16bit and PCM8/uLAW stereo: 0x44,0x02 for first packet and 0x6c,0x05 for second.
|
|
uLAW 8bit/PCM 8bit 0xd8,0x03 for all packets
|
|
PCM 16bit stereo 0x6c,0x05 first & second 0x70,0x04 third
|
|
|
|
|
|
*/
|
|
control_packet_t in = (control_packet_t)r.constData();
|
|
|
|
|
|
if (in->type != 0x01 && in->len >= 0x20) {
|
|
if (in->seq == 0)
|
|
{
|
|
// Seq number has rolled over.
|
|
seqPrefix++;
|
|
}
|
|
|
|
// 0xac is the smallest possible audio packet.
|
|
lastReceived = QTime::currentTime();
|
|
audioPacket tempAudio;
|
|
tempAudio.seq = (quint32)seqPrefix << 16 | in->seq;
|
|
tempAudio.time = lastReceived;
|
|
tempAudio.sent = 0;
|
|
tempAudio.data = r.mid(0x18);
|
|
// Prefer signal/slot to forward audio as it is thread/safe
|
|
// Need to do more testing but latency appears fine.
|
|
//rxaudio->incomingAudio(tempAudio);
|
|
emit haveAudioData(tempAudio);
|
|
audioLatency = rxaudio->getLatency();
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
udpBase::dataReceived(r); // Call parent function to process the rest.
|
|
r.clear();
|
|
datagram.clear();
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void udpBase::init(quint16 lport)
|
|
{
|
|
timeStarted.start();
|
|
udp = new QUdpSocket(this);
|
|
udp->bind(lport); // Bind to random port.
|
|
localPort = udp->localPort();
|
|
qInfo(logUdp()) << "UDP Stream bound to local port:" << localPort << " remote port:" << port;
|
|
uint32_t addr = localIP.toIPv4Address();
|
|
myId = (addr >> 8 & 0xff) << 24 | (addr & 0xff) << 16 | (localPort & 0xffff);
|
|
|
|
retransmitTimer = new QTimer();
|
|
connect(retransmitTimer, &QTimer::timeout, this, &udpBase::sendRetransmitRequest);
|
|
retransmitTimer->start(RETRANSMIT_PERIOD);
|
|
}
|
|
|
|
udpBase::~udpBase()
|
|
{
|
|
qInfo(logUdp()) << "Closing UDP stream :" << radioIP.toString() << ":" << port;
|
|
if (udp != Q_NULLPTR) {
|
|
sendControl(false, 0x05, 0x00); // Send disconnect
|
|
udp->close();
|
|
delete udp;
|
|
}
|
|
if (areYouThereTimer != Q_NULLPTR)
|
|
{
|
|
areYouThereTimer->stop();
|
|
delete areYouThereTimer;
|
|
}
|
|
|
|
if (pingTimer != Q_NULLPTR)
|
|
{
|
|
pingTimer->stop();
|
|
delete pingTimer;
|
|
}
|
|
if (idleTimer != Q_NULLPTR)
|
|
{
|
|
idleTimer->stop();
|
|
delete idleTimer;
|
|
}
|
|
if (retransmitTimer != Q_NULLPTR)
|
|
{
|
|
retransmitTimer->stop();
|
|
delete retransmitTimer;
|
|
}
|
|
|
|
pingTimer = Q_NULLPTR;
|
|
idleTimer = Q_NULLPTR;
|
|
areYouThereTimer = Q_NULLPTR;
|
|
retransmitTimer = Q_NULLPTR;
|
|
|
|
}
|
|
|
|
// Base class!
|
|
|
|
void udpBase::dataReceived(QByteArray r)
|
|
{
|
|
if (r.length() < 0x10)
|
|
{
|
|
return; // Packet too small do to anything with?
|
|
}
|
|
|
|
switch (r.length())
|
|
{
|
|
case (CONTROL_SIZE): // Empty response used for simple comms and retransmit requests.
|
|
{
|
|
control_packet_t in = (control_packet_t)r.constData();
|
|
if (in->type == 0x01)
|
|
{
|
|
// Single packet request
|
|
packetsLost++;
|
|
congestion = static_cast<double>(packetsSent) / packetsLost * 100;
|
|
txBufferMutex.lock();
|
|
QMap<quint16,SEQBUFENTRY>::iterator match = txSeqBuf.find(in->seq);
|
|
if (match != txSeqBuf.end()) {
|
|
// Found matching entry?
|
|
// Send "untracked" as it has already been sent once.
|
|
// Don't constantly retransmit the same packet, give-up eventually
|
|
qDebug(logUdp()) << this->metaObject()->className() << ": Sending retransmit of " << hex << match->seqNum;
|
|
match->retransmitCount++;
|
|
udpMutex.lock();
|
|
udp->writeDatagram(match->data, radioIP, port);
|
|
udpMutex.unlock();
|
|
}
|
|
txBufferMutex.unlock();
|
|
}
|
|
if (in->type == 0x04) {
|
|
qInfo(logUdp()) << this->metaObject()->className() << ": Received I am here ";
|
|
areYouThereCounter = 0;
|
|
// I don't think that we will ever receive an "I am here" other than in response to "Are you there?"
|
|
remoteId = in->sentid;
|
|
if (areYouThereTimer != Q_NULLPTR && areYouThereTimer->isActive()) {
|
|
// send ping packets every second
|
|
areYouThereTimer->stop();
|
|
}
|
|
sendControl(false, 0x06, 0x01); // Send Are you ready - untracked.
|
|
}
|
|
else if (in->type == 0x06)
|
|
{
|
|
// Just get the seqnum and ignore the rest.
|
|
}
|
|
break;
|
|
}
|
|
case (PING_SIZE): // ping packet
|
|
{
|
|
ping_packet_t in = (ping_packet_t)r.constData();
|
|
if (in->type == 0x07)
|
|
{
|
|
// It is a ping request/response
|
|
if (in->reply == 0x00)
|
|
{
|
|
ping_packet p;
|
|
memset(p.packet, 0x0, sizeof(p)); // We can't be sure it is initialized with 0x00!
|
|
p.len = sizeof(p);
|
|
p.type = 0x07;
|
|
p.sentid = myId;
|
|
p.rcvdid = remoteId;
|
|
p.reply = 0x01;
|
|
p.seq = in->seq;
|
|
p.time = in->time;
|
|
udpMutex.lock();
|
|
udp->writeDatagram(QByteArray::fromRawData((const char*)p.packet, sizeof(p)), radioIP, port);
|
|
udpMutex.unlock();
|
|
}
|
|
else if (in->reply == 0x01) {
|
|
if (in->seq == pingSendSeq)
|
|
{
|
|
// This is response to OUR request so increment counter
|
|
pingSendSeq++;
|
|
}
|
|
}
|
|
else {
|
|
qInfo(logUdp()) << this->metaObject()->className() << "Unhandled response to ping. I have never seen this! 0x10=" << r[16];
|
|
}
|
|
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
|
|
// All packets "should" be added to the incoming buffer.
|
|
// First check that we haven't already received it.
|
|
|
|
|
|
}
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
// All packets except ping and retransmit requests should trigger this.
|
|
control_packet_t in = (control_packet_t)r.constData();
|
|
|
|
// This is a variable length retransmit request!
|
|
if (in->type == 0x01 && in->len != 0x10)
|
|
{
|
|
|
|
for (quint16 i = 0x10; i < r.length(); i = i + 2)
|
|
{
|
|
quint16 seq = (quint8)r[i] | (quint8)r[i + 1] << 8;
|
|
QMap<quint16, SEQBUFENTRY>::iterator match = txSeqBuf.find(seq);
|
|
if (match == txSeqBuf.end()) {
|
|
qDebug(logUdp()) << this->metaObject()->className() << ": Requested packet " << hex << seq << " not found";
|
|
// Just send idle packet.
|
|
sendControl(false, 0, seq);
|
|
}
|
|
else {
|
|
// Found matching entry?
|
|
// Send "untracked" as it has already been sent once.
|
|
qDebug(logUdp()) << this->metaObject()->className() << ": Sending retransmit (range) of " << hex << match->seqNum;
|
|
match->retransmitCount++;
|
|
udpMutex.lock();
|
|
udp->writeDatagram(match->data, radioIP, port);
|
|
udpMutex.unlock();
|
|
match++;
|
|
packetsLost++;
|
|
congestion = static_cast<double>(packetsSent) / packetsLost * 100;
|
|
}
|
|
}
|
|
}
|
|
else if (in->len != PING_SIZE && in->type == 0x00 && in->seq != 0x00)
|
|
{
|
|
rxBufferMutex.lock();
|
|
if (rxSeqBuf.isEmpty()) {
|
|
if (rxSeqBuf.size() > BUFSIZE)
|
|
{
|
|
rxSeqBuf.erase(rxSeqBuf.begin());
|
|
}
|
|
rxSeqBuf.insert(in->seq, QTime::currentTime());
|
|
}
|
|
else
|
|
{
|
|
if (in->seq < rxSeqBuf.firstKey())
|
|
{
|
|
qInfo(logUdp()) << this->metaObject()->className() << ": ******* seq number has rolled over ****** previous highest: " << hex << rxSeqBuf.lastKey() << " current: " << hex << in->seq;
|
|
//seqPrefix++;
|
|
// Looks like it has rolled over so clear buffer and start again.
|
|
rxSeqBuf.clear();
|
|
rxMissing.clear();
|
|
rxBufferMutex.unlock();
|
|
return;
|
|
}
|
|
|
|
if (!rxSeqBuf.contains(in->seq))
|
|
{
|
|
// Add incoming packet to the received buffer and if it is in the missing buffer, remove it.
|
|
|
|
if (in->seq > rxSeqBuf.lastKey() + 1) {
|
|
// We are likely missing packets then!
|
|
missingMutex.lock();
|
|
//int missCounter = 0;
|
|
for (quint16 f = rxSeqBuf.lastKey() + 1; f < in->seq; f++)
|
|
{
|
|
if (rxSeqBuf.size() > BUFSIZE)
|
|
{
|
|
rxSeqBuf.erase(rxSeqBuf.begin());
|
|
}
|
|
rxSeqBuf.insert(f, QTime::currentTime());
|
|
if (!rxMissing.contains(f))
|
|
{
|
|
rxMissing.insert(f, 0);
|
|
}
|
|
}
|
|
missingMutex.unlock();
|
|
}
|
|
else {
|
|
if (rxSeqBuf.size() > BUFSIZE)
|
|
{
|
|
rxSeqBuf.erase(rxSeqBuf.begin());
|
|
}
|
|
rxSeqBuf.insert(in->seq, QTime::currentTime());
|
|
|
|
}
|
|
}
|
|
else {
|
|
// This is probably one of our missing packets!
|
|
missingMutex.lock();
|
|
QMap<quint16,int>::iterator s = rxMissing.find(in->seq);
|
|
if (s != rxMissing.end())
|
|
{
|
|
qDebug(logUdp()) << this->metaObject()->className() << ": Missing SEQ has been received! " << hex << in->seq;
|
|
|
|
s = rxMissing.erase(s);
|
|
}
|
|
missingMutex.unlock();
|
|
|
|
}
|
|
|
|
}
|
|
rxBufferMutex.unlock();
|
|
|
|
}
|
|
}
|
|
|
|
bool missing(quint16 i, quint16 j) {
|
|
return (i + 1 != j);
|
|
}
|
|
|
|
void udpBase::sendRetransmitRequest()
|
|
{
|
|
// Find all gaps in received packets and then send requests for them.
|
|
// This will run every 100ms so out-of-sequence packets will not trigger a retransmit request.
|
|
if (rxMissing.isEmpty()) {
|
|
return;
|
|
}
|
|
else if (rxMissing.size() > MAX_MISSING) {
|
|
qDebug(logUdp()) << "Too many missing packets," << rxMissing.size() << "flushing all buffers";
|
|
missingMutex.lock();
|
|
rxMissing.clear();
|
|
missingMutex.unlock();
|
|
|
|
rxBufferMutex.lock();
|
|
rxSeqBuf.clear();
|
|
rxBufferMutex.unlock();
|
|
return;
|
|
}
|
|
|
|
QByteArray missingSeqs;
|
|
|
|
missingMutex.lock();
|
|
for (auto it = rxMissing.begin(); it != rxMissing.end(); ++it)
|
|
{
|
|
if (it.value() < 10)
|
|
{
|
|
missingSeqs.append(it.key() & 0xff);
|
|
missingSeqs.append(it.key() >> 8 & 0xff);
|
|
missingSeqs.append(it.key() & 0xff);
|
|
missingSeqs.append(it.key() >> 8 & 0xff);
|
|
it.value()++;
|
|
}
|
|
}
|
|
missingMutex.unlock();
|
|
if (missingSeqs.length() != 0)
|
|
{
|
|
control_packet p;
|
|
memset(p.packet, 0x0, sizeof(p)); // We can't be sure it is initialized with 0x00!
|
|
p.type = 0x01;
|
|
p.seq = 0x0000;
|
|
p.sentid = myId;
|
|
p.rcvdid = remoteId;
|
|
if (missingSeqs.length() == 4) // This is just a single missing packet so send using a control.
|
|
{
|
|
p.seq = (missingSeqs[0] & 0xff) | (quint16)(missingSeqs[1] << 8);
|
|
qDebug(logUdp()) << this->metaObject()->className() << ": sending request for missing packet : " << hex << p.seq;
|
|
udpMutex.lock();
|
|
udp->writeDatagram(QByteArray::fromRawData((const char*)p.packet, sizeof(p)), radioIP, port);
|
|
udpMutex.unlock();
|
|
}
|
|
else
|
|
{
|
|
qDebug(logUdp()) << this->metaObject()->className() << ": sending request for multiple missing packets : " << missingSeqs.toHex(':');
|
|
missingMutex.lock();
|
|
missingSeqs.insert(0, p.packet, sizeof(p.packet));
|
|
missingMutex.unlock();
|
|
|
|
udpMutex.lock();
|
|
udp->writeDatagram(missingSeqs, radioIP, port);
|
|
udpMutex.unlock();
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// Used to send idle and other "control" style messages
|
|
void udpBase::sendControl(bool tracked = true, quint8 type = 0, quint16 seq = 0)
|
|
{
|
|
control_packet p;
|
|
memset(p.packet, 0x0, sizeof(p)); // We can't be sure it is initialized with 0x00!
|
|
p.len = sizeof(p);
|
|
p.type = type;
|
|
p.sentid = myId;
|
|
p.rcvdid = remoteId;
|
|
|
|
if (!tracked) {
|
|
p.seq = seq;
|
|
udpMutex.lock();
|
|
udp->writeDatagram(QByteArray::fromRawData((const char*)p.packet, sizeof(p)), radioIP, port);
|
|
udpMutex.unlock();
|
|
}
|
|
else {
|
|
sendTrackedPacket(QByteArray::fromRawData((const char*)p.packet, sizeof(p)));
|
|
}
|
|
return;
|
|
}
|
|
|
|
// Send periodic ping packets
|
|
void udpBase::sendPing()
|
|
{
|
|
ping_packet p;
|
|
memset(p.packet, 0x0, sizeof(p)); // We can't be sure it is initialized with 0x00!
|
|
p.len = sizeof(p);
|
|
p.type = 0x07;
|
|
p.sentid = myId;
|
|
p.rcvdid = remoteId;
|
|
p.seq = pingSendSeq;
|
|
p.time = timeStarted.msecsSinceStartOfDay();
|
|
lastPingSentTime = QDateTime::currentDateTime();
|
|
udpMutex.lock();
|
|
udp->writeDatagram(QByteArray::fromRawData((const char*)p.packet, sizeof(p)), radioIP, port);
|
|
udpMutex.unlock();
|
|
return;
|
|
}
|
|
|
|
void udpBase::sendRetransmitRange(quint16 first, quint16 second, quint16 third, quint16 fourth)
|
|
{
|
|
retransmit_range_packet p;
|
|
memset(p.packet, 0x0, sizeof(p)); // We can't be sure it is initialized with 0x00!
|
|
p.len = sizeof(p);
|
|
p.type = 0x00;
|
|
p.sentid = myId;
|
|
p.rcvdid = remoteId;
|
|
p.first = first;
|
|
p.second = second;
|
|
p.third = third;
|
|
p.fourth = fourth;
|
|
udpMutex.lock();
|
|
udp->writeDatagram(QByteArray::fromRawData((const char*)p.packet, sizeof(p)), radioIP, port);
|
|
udpMutex.unlock();
|
|
return;
|
|
}
|
|
|
|
|
|
void udpBase::sendTrackedPacket(QByteArray d)
|
|
{
|
|
// As the radio can request retransmission of these packets, store them in a buffer
|
|
d[6] = sendSeq & 0xff;
|
|
d[7] = (sendSeq >> 8) & 0xff;
|
|
SEQBUFENTRY s;
|
|
s.seqNum = sendSeq;
|
|
s.timeSent = QTime::currentTime();
|
|
s.retransmitCount = 0;
|
|
s.data = d;
|
|
if (txBufferMutex.tryLock(100))
|
|
{
|
|
|
|
if (sendSeq == 0) {
|
|
// We are either the first ever sent packet or have rolled-over so clear the buffer.
|
|
txSeqBuf.clear();
|
|
congestion = 0;
|
|
}
|
|
txSeqBuf.insert(sendSeq,s);
|
|
if (txSeqBuf.size() > BUFSIZE)
|
|
{
|
|
txSeqBuf.erase(txSeqBuf.begin());
|
|
}
|
|
txBufferMutex.unlock();
|
|
} else {
|
|
qInfo(logUdp()) << this->metaObject()->className() << ": txBuffer mutex is locked";
|
|
}
|
|
// Stop using purgeOldEntries() as it is likely slower than just removing the earliest packet.
|
|
//qInfo(logUdp()) << this->metaObject()->className() << "RX:" << rxSeqBuf.size() << "TX:" <<txSeqBuf.size() << "MISS:" << rxMissing.size();
|
|
//purgeOldEntries(); // Delete entries older than PURGE_SECONDS seconds (currently 5)
|
|
sendSeq++;
|
|
|
|
udpMutex.lock();
|
|
udp->writeDatagram(d, radioIP, port);
|
|
if (congestion>10) { // Poor quality connection?
|
|
udp->writeDatagram(d, radioIP, port);
|
|
if (congestion>20) // Even worse so send again.
|
|
udp->writeDatagram(d, radioIP, port);
|
|
}
|
|
if (idleTimer != Q_NULLPTR && idleTimer->isActive()) {
|
|
idleTimer->start(IDLE_PERIOD); // Reset idle counter if it's running
|
|
}
|
|
udpMutex.unlock();
|
|
packetsSent++;
|
|
return;
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
/// Once a packet has reached PURGE_SECONDS old (currently 10) then it is not likely to be any use.
|
|
/// </summary>
|
|
void udpBase::purgeOldEntries()
|
|
{
|
|
// Erase old entries from the tx packet buffer
|
|
if (txBufferMutex.tryLock(100))
|
|
{
|
|
if (!txSeqBuf.isEmpty())
|
|
{
|
|
// Loop through the earliest items in the buffer and delete if older than PURGE_SECONDS
|
|
for (auto it = txSeqBuf.begin(); it != txSeqBuf.end();) {
|
|
if (it.value().timeSent.secsTo(QTime::currentTime()) > PURGE_SECONDS) {
|
|
txSeqBuf.erase(it++);
|
|
}
|
|
else {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
txBufferMutex.unlock();
|
|
|
|
} else {
|
|
qInfo(logUdp()) << this->metaObject()->className() << ": txBuffer mutex is locked";
|
|
}
|
|
|
|
|
|
|
|
if (rxBufferMutex.tryLock(100))
|
|
{
|
|
if (!rxSeqBuf.isEmpty()) {
|
|
// Loop through the earliest items in the buffer and delete if older than PURGE_SECONDS
|
|
for (auto it = rxSeqBuf.begin(); it != rxSeqBuf.end();) {
|
|
if (it.value().secsTo(QTime::currentTime()) > PURGE_SECONDS) {
|
|
rxSeqBuf.erase(it++);
|
|
}
|
|
else {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
rxBufferMutex.unlock();
|
|
} else {
|
|
qInfo(logUdp()) << this->metaObject()->className() << ": rxBuffer mutex is locked";
|
|
}
|
|
|
|
if (missingMutex.tryLock(100))
|
|
{
|
|
// Erase old entries from the missing packets buffer
|
|
if (!rxMissing.isEmpty() && rxMissing.size() > 50) {
|
|
for (size_t i = 0; i < 25; ++i) {
|
|
rxMissing.erase(rxMissing.begin());
|
|
}
|
|
}
|
|
missingMutex.unlock();
|
|
} else {
|
|
qInfo(logUdp()) << this->metaObject()->className() << ": missingBuffer mutex is locked";
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// passcode function used to generate secure (ish) code
|
|
/// </summary>
|
|
/// <param name="str"></param>
|
|
/// <returns>pointer to encoded username or password</returns>
|
|
void passcode(QString in, QByteArray& out)
|
|
{
|
|
const quint8 sequence[] =
|
|
{
|
|
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
|
|
0x47,0x5d,0x4c,0x42,0x66,0x20,0x23,0x46,0x4e,0x57,0x45,0x3d,0x67,0x76,0x60,0x41,0x62,0x39,0x59,0x2d,0x68,0x7e,
|
|
0x7c,0x65,0x7d,0x49,0x29,0x72,0x73,0x78,0x21,0x6e,0x5a,0x5e,0x4a,0x3e,0x71,0x2c,0x2a,0x54,0x3c,0x3a,0x63,0x4f,
|
|
0x43,0x75,0x27,0x79,0x5b,0x35,0x70,0x48,0x6b,0x56,0x6f,0x34,0x32,0x6c,0x30,0x61,0x6d,0x7b,0x2f,0x4b,0x64,0x38,
|
|
0x2b,0x2e,0x50,0x40,0x3f,0x55,0x33,0x37,0x25,0x77,0x24,0x26,0x74,0x6a,0x28,0x53,0x4d,0x69,0x22,0x5c,0x44,0x31,
|
|
0x36,0x58,0x3b,0x7a,0x51,0x5f,0x52,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
|
|
|
|
};
|
|
|
|
QByteArray ba = in.toLocal8Bit();
|
|
uchar* ascii = (uchar*)ba.constData();
|
|
for (int i = 0; i < in.length() && i < 16; i++)
|
|
{
|
|
int p = ascii[i] + i;
|
|
if (p > 126)
|
|
{
|
|
p = 32 + p % 127;
|
|
}
|
|
out.append(sequence[p]);
|
|
}
|
|
return;
|
|
}
|
|
|
|
/// <summary>
|
|
/// returns a QByteArray of a null terminated string
|
|
/// </summary>
|
|
/// <param name="c"></param>
|
|
/// <param name="s"></param>
|
|
/// <returns></returns>
|
|
QByteArray parseNullTerminatedString(QByteArray c, int s)
|
|
{
|
|
//QString res = "";
|
|
QByteArray res;
|
|
for (int i = s; i < c.length(); i++)
|
|
{
|
|
if (c[i] != '\0')
|
|
{
|
|
res.append(c[i]);
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|