kopia lustrzana https://gitlab.com/eliggett/wfview
1411 wiersze
48 KiB
C++
1411 wiersze
48 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) :
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controlPort(prefs.controlLANPort),
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civPort(0),
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audioPort(0),
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rxSampleRate(prefs.audioRXSampleRate),
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txSampleRate(prefs.audioRXSampleRate),
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rxLatency(prefs.audioRXLatency),
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txLatency(prefs.audioTXLatency),
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rxCodec(prefs.audioRXCodec),
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txCodec(prefs.audioTXCodec),
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audioInputPort(prefs.audioInput),
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audioOutputPort(prefs.audioOutput),
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resampleQuality(prefs.resampleQuality)
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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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qDebug(logUdp()) << "Starting udpHandler user:" << username << " rx latency:" << rxLatency << " tx latency:" << txLatency << " rx sample rate: " << rxSampleRate <<
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" rx codec: " << rxCodec << " tx sample rate: " << txSampleRate << " tx codec: " << txCodec;
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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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qDebug(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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qDebug(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(); // 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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qDebug(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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qDebug(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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qDebug(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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latency += lastPingSentTime.msecsTo(QDateTime::currentDateTime());
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latency /= 2;
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quint32 totalsent = packetsSent;
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quint32 totallost = packetsLost;
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if (audio != Q_NULLPTR) {
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totalsent = totalsent + audio->packetsSent;
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totallost = totallost + audio->packetsLost;
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}
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if (civ != Q_NULLPTR) {
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totalsent = totalsent + civ->packetsSent;
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totallost = totallost + civ->packetsLost;
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}
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emit haveNetworkStatus(" rtt: " + QString::number(latency) + " ms, loss: (" + QString::number(totallost) + "/" + QString::number(totalsent) + ")");
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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 == 0x00ffffff && !streamOpened)
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{
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emit haveNetworkError(radioIP.toString(), "Auth failed, try rebooting the radio.");
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qDebug(logUdp()) << this->metaObject()->className() << ": Auth failed, try rebooting 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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qDebug(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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}
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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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if (in->error == 0xfeffffff)
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{
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emit haveNetworkStatus("Invalid Username/Password");
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qDebug(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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emit haveNetworkStatus("Radio Login OK!");
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qDebug(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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qDebug(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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if (!strcmp(in->connection, "FTTH"))
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{
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highBandwidthConnection = true;
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}
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qDebug(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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conninfo_packet_t in = (conninfo_packet_t)r.constData();
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if (in->type != 0x01) {
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devName = in->name;
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QHostAddress ip = QHostAddress(qToBigEndian(in->ipaddress));
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if (!streamOpened && in->busy)
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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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emit haveNetworkStatus(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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civ = new udpCivData(localIP, radioIP, civPort);
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audio = new udpAudio(localIP, radioIP, audioPort, rxLatency, txLatency, rxSampleRate, rxCodec, txSampleRate, txCodec, audioOutputPort, audioInputPort,resampleQuality);
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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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emit haveNetworkStatus(devName);
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qDebug(logUdp()) << this->metaObject()->className() << "Got serial and audio request success, device name: " << devName;
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// Stuff can change in the meantime because of a previous login...
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remoteId = in->sentid;
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myId = in->rcvdid;
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tokRequest = in->tokrequest;
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token = in->token;
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}
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}
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else if (!streamOpened && !in->busy)
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{
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emit haveNetworkStatus(devName + " available");
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identa = in->identa;
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identb = in->identb;
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sendRequestStream();
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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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}
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break;
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}
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case (CAPABILITIES_SIZE):
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{
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capabilities_packet_t in = (capabilities_packet_t)r.constData();
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if (in->type != 0x01)
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{
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audioType = in->audio;
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devName = in->name;
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//replyId = r.mid(0x42, 16);
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qDebug(logUdp()) << this->metaObject()->className() << "Received radio capabilities, Name:" <<
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devName << " Audio:" <<
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audioType;
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}
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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::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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p.commoncap = 0x8010;
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p.identa = identa;
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p.identb = identb;
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p.innerseq = authSeq++;
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p.tokrequest = tokRequest;
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p.token = token;
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memcpy(&p.name, devName.toLocal8Bit().constData(), devName.length());
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p.rxenable = 1;
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p.txenable = 1;
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p.rxcodec = rxCodec;
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p.txcodec = txCodec;
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memcpy(&p.username, usernameEncoded.constData(), usernameEncoded.length());
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p.rxsample = qToBigEndian((quint32)rxSampleRate);
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p.txsample = qToBigEndian((quint32)txSampleRate);
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p.civport = qToBigEndian((quint32)civPort);
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p.audioport = qToBigEndian((quint32)audioPort);
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p.txbuffer = qToBigEndian((quint32)txLatency);
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p.convert = 1;
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sendTrackedPacket(QByteArray::fromRawData((const char*)p.packet, sizeof(p)));
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return;
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}
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void udpHandler::sendAreYouThere()
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{
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if (areYouThereCounter == 20)
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{
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qDebug(logUdp()) << this->metaObject()->className() << ": Radio not responding.";
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emit haveNetworkStatus("Radio not responding!");
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}
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qDebug(logUdp()) << this->metaObject()->className() << ": Sending Are You There...";
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areYouThereCounter++;
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udpBase::sendControl(false,0x03,0x00);
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}
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void udpHandler::sendLogin() // Only used on control stream.
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{
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qDebug(logUdp()) << this->metaObject()->className() << ": Sending login packet";
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tokRequest = static_cast<quint16>(rand() | rand() << 8); // Generate random token request.
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QByteArray usernameEncoded;
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QByteArray passwordEncoded;
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passcode(username, usernameEncoded);
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passcode(password, passwordEncoded);
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login_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 = 0x0170; // Not sure what this is?
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p.innerseq = authSeq++;
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p.tokrequest = tokRequest;
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memcpy(p.username, usernameEncoded.constData(), usernameEncoded.length());
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memcpy(p.password, passwordEncoded.constData(), passwordEncoded.length());
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memcpy(p.name, compName.toLocal8Bit().constData(), compName.length());
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sendTrackedPacket(QByteArray::fromRawData((const char*)p.packet, sizeof(p)));
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return;
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}
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void udpHandler::sendToken(uint8_t magic)
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{
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qDebug(logUdp()) << this->metaObject()->className() << "Sending Token request: " << magic;
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token_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 = 0x0130; // Not sure what this is?
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p.res = magic;
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p.innerseq = authSeq++;
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p.tokrequest = tokRequest;
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p.token = token;
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sendTrackedPacket(QByteArray::fromRawData((const char *)p.packet, sizeof(p)));
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// The radio should request a repeat of the token renewal packet via retransmission!
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//tokenTimer->start(100); // Set 100ms timer for retry (this will be cancelled if a response is received)
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return;
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}
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// Class that manages all Civ Data to/from the rig
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udpCivData::udpCivData(QHostAddress local, QHostAddress ip, quint16 civPort)
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{
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qDebug(logUdp()) << "Starting udpCivData";
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localIP = local;
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port = civPort;
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radioIP = ip;
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udpBase::init(); // Perform connection
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QUdpSocket::connect(udp, &QUdpSocket::readyRead, this, &udpCivData::dataReceived);
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sendControl(false, 0x03, 0x00); // First connect packet
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/*
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Connect various timers
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*/
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pingTimer = new QTimer();
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idleTimer = new QTimer();
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areYouThereTimer = new QTimer();
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startCivDataTimer = new QTimer();
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watchdogTimer = new QTimer();
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connect(pingTimer, &QTimer::timeout, this, &udpBase::sendPing);
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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 everytime 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()) > 500)
|
|
{
|
|
if (!alerted) {
|
|
qDebug(logUdp()) << " CIV Watchdog: no CIV data received for 500ms, requesting data start.";
|
|
if (startCivDataTimer != Q_NULLPTR)
|
|
{
|
|
startCivDataTimer->start(100);
|
|
}
|
|
alerted = true;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
alerted = false;
|
|
}
|
|
}
|
|
|
|
void udpCivData::send(QByteArray d)
|
|
{
|
|
// qDebug(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);
|
|
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();
|
|
//qDebug(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)
|
|
{
|
|
emit receive(r.mid(0x15));
|
|
}
|
|
|
|
}
|
|
}
|
|
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 rxlatency, quint16 txlatency, quint16 rxsample, quint8 rxcodec, quint16 txsample, quint8 txcodec, QString outputPort, QString inputPort,quint8 resampleQuality)
|
|
{
|
|
qDebug(logUdp()) << "Starting udpAudio";
|
|
this->localIP = local;
|
|
this->port = audioPort;
|
|
this->radioIP = ip;
|
|
this->rxLatency = rxlatency;
|
|
this->txLatency = txlatency;
|
|
this->rxSampleRate = rxsample;
|
|
this->txSampleRate = txsample;
|
|
this->rxCodec = rxcodec;
|
|
this->txCodec = txcodec;
|
|
|
|
init(); // Perform connection
|
|
|
|
QUdpSocket::connect(udp, &QUdpSocket::readyRead, this, &udpAudio::dataReceived);
|
|
|
|
/*
|
|
0x72 is RX audio codec
|
|
0x73 is TX audio codec (only single channel options)
|
|
0x01 uLaw 1ch 8bit
|
|
0x02 PCM 1ch 8bit
|
|
0x04 PCM 1ch 16bit
|
|
0x08 PCM 2ch 8bit
|
|
0x10 PCM 2ch 16bit
|
|
0x20 uLaw 2ch 8bit
|
|
*/
|
|
|
|
if (rxCodec == 0x01 || rxCodec == 0x20) {
|
|
rxIsUlawCodec = true;
|
|
}
|
|
if (rxCodec == 0x08 || rxCodec == 0x10 || rxCodec == 0x20) {
|
|
rxChannelCount = 2;
|
|
}
|
|
if (rxCodec == 0x04 || rxCodec == 0x10) {
|
|
rxNumSamples = 16;
|
|
}
|
|
|
|
rxaudio = new audioHandler();
|
|
rxAudioThread = new QThread(this);
|
|
|
|
rxaudio->moveToThread(rxAudioThread);
|
|
|
|
rxAudioThread->start();
|
|
|
|
connect(this, SIGNAL(setupRxAudio(quint8, quint8, quint16, quint16, bool, bool, QString, quint8)), rxaudio, SLOT(init(quint8, quint8, quint16, quint16, bool, bool,QString, quint8)));
|
|
|
|
qRegisterMetaType<audioPacket>();
|
|
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()));
|
|
|
|
if (txCodec == 0x01)
|
|
txIsUlawCodec = true;
|
|
else if (txCodec == 0x04)
|
|
txNumSamples = 16;
|
|
|
|
txChannelCount = 1; // Only 1 channel is supported.
|
|
|
|
txaudio = new audioHandler();
|
|
txAudioThread = new QThread(this);
|
|
|
|
txaudio->moveToThread(txAudioThread);
|
|
|
|
txAudioThread->start();
|
|
|
|
connect(this, SIGNAL(setupTxAudio(quint8, quint8, quint16, quint16, bool, bool,QString,quint8)), txaudio, SLOT(init(quint8, quint8, quint16, quint16, bool, bool,QString,quint8)));
|
|
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
|
|
|
|
emit setupTxAudio(txNumSamples, txChannelCount, txSampleRate, txLatency, txIsUlawCodec, true, inputPort,resampleQuality);
|
|
emit setupRxAudio(rxNumSamples, rxChannelCount, rxSampleRate, txLatency, rxIsUlawCodec, false, outputPort,resampleQuality);
|
|
|
|
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)
|
|
{
|
|
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;
|
|
}
|
|
|
|
if (txAudioTimer != Q_NULLPTR)
|
|
{
|
|
txAudioTimer->stop();
|
|
delete txAudioTimer;
|
|
}
|
|
|
|
if (rxAudioThread != Q_NULLPTR) {
|
|
rxAudioThread->quit();
|
|
rxAudioThread->wait();
|
|
}
|
|
|
|
if (txAudioThread != Q_NULLPTR) {
|
|
txAudioThread->quit();
|
|
txAudioThread->wait();
|
|
}
|
|
}
|
|
|
|
void udpAudio::watchdog()
|
|
{
|
|
static bool alerted = false;
|
|
if (lastReceived.msecsTo(QTime::currentTime()) > 500)
|
|
{
|
|
if (!alerted) {
|
|
/* Just log it at the moment, maybe try signalling the control channel that it needs to
|
|
try requesting civ/audio again? */
|
|
|
|
qDebug(logUdp()) << " Audio Watchdog: no audio data received for 500ms, restart required";
|
|
alerted = true;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
alerted = false;
|
|
}
|
|
}
|
|
|
|
|
|
void udpAudio::sendTxAudio()
|
|
{
|
|
|
|
if (txaudio && txaudio->isChunkAvailable()) {
|
|
QByteArray audio;
|
|
txaudio->getNextAudioChunk(audio);
|
|
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();
|
|
//qDebug(logUdp()) << "Sending audio packet length: " << tx.length();
|
|
sendTrackedPacket(tx);
|
|
sendAudioSeq++;
|
|
counter++;
|
|
}
|
|
}
|
|
}
|
|
|
|
void udpAudio::changeLatency(quint16 value)
|
|
{
|
|
emit haveChangeLatency(value);
|
|
}
|
|
|
|
void udpAudio::setVolume(unsigned char value)
|
|
{
|
|
emit haveSetVolume(value);
|
|
}
|
|
|
|
void udpAudio::dataReceived()
|
|
{
|
|
while (udp->hasPendingDatagrams()) {
|
|
QNetworkDatagram datagram = udp->receiveDatagram();
|
|
//qDebug(logUdp()) << "Received: " << datagram.data();
|
|
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)
|
|
{
|
|
txAudioTimer->start(TXAUDIO_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 >= 0xAC) {
|
|
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.datain = r.mid(0x18);
|
|
// Prefer signal/slot to forward audio as it is thread/safe
|
|
// Need to do more testing but latency appears fine.
|
|
emit haveAudioData(tempAudio);
|
|
//rxaudio->incomingAudio(tempAudio);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
udpBase::dataReceived(r); // Call parent function to process the rest.
|
|
r.clear();
|
|
datagram.clear();
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void udpBase::init()
|
|
{
|
|
timeStarted.start();
|
|
udp = new QUdpSocket(this);
|
|
udp->bind(); // Bind to random port.
|
|
localPort = udp->localPort();
|
|
qDebug(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()
|
|
{
|
|
qDebug(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)
|
|
{
|
|
QMutexLocker txlocker(&txBufferMutex);
|
|
// Single packet request
|
|
packetsLost++;
|
|
|
|
auto match = std::find_if(txSeqBuf.begin(), txSeqBuf.end(), [&cs = in->seq](SEQBUFENTRY& s) {
|
|
return s.seqNum == cs;
|
|
});
|
|
|
|
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++;
|
|
QMutexLocker udplocker(&udpMutex);
|
|
udp->writeDatagram(match->data, radioIP, port);
|
|
}
|
|
}
|
|
if (in->type == 0x04) {
|
|
qDebug(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;
|
|
QMutexLocker udplocker(&udpMutex);
|
|
udp->writeDatagram(QByteArray::fromRawData((const char*)p.packet, sizeof(p)), radioIP, port);
|
|
}
|
|
else if (in->reply == 0x01) {
|
|
if (in->seq == pingSendSeq)
|
|
{
|
|
// This is response to OUR request so increment counter
|
|
pingSendSeq++;
|
|
}
|
|
else {
|
|
// Not sure what to do here, need to spend more time with the protocol but will try sending ping with same seq next time.
|
|
//qDebug(logUdp()) << this->metaObject()->className() << "Received out-of-sequence ping response. Sent:" << pingSendSeq << " received " << in->seq;
|
|
}
|
|
}
|
|
else {
|
|
qDebug(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)
|
|
{
|
|
QMutexLocker txlocker(&txBufferMutex);
|
|
for (quint16 i = 0x10; i < r.length(); i = i + 2)
|
|
{
|
|
quint16 seq = (quint8)r[i] | (quint8)r[i + 1] << 8;
|
|
auto match = std::find_if(txSeqBuf.begin(), txSeqBuf.end(), [&cs = seq](SEQBUFENTRY& s) {
|
|
return s.seqNum == cs;
|
|
});
|
|
if (match == txSeqBuf.end()) {
|
|
qDebug(logUdp()) << this->metaObject()->className() << ": Requested packet " << hex << seq << " not found";
|
|
// Just send idle packet.
|
|
sendControl(false, 0, match->seqNum);
|
|
}
|
|
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++;
|
|
QMutexLocker udplocker(&udpMutex);
|
|
udp->writeDatagram(match->data, radioIP, port);
|
|
match++;
|
|
packetsLost++;
|
|
}
|
|
}
|
|
}
|
|
else if (in->len != PING_SIZE && in->type == 0x00 && in->seq != 0x00)
|
|
{
|
|
QMutexLocker rxlocker(&rxBufferMutex);
|
|
if (rxSeqBuf.isEmpty()) {
|
|
rxSeqBuf.append(in->seq);
|
|
}
|
|
else
|
|
{
|
|
std::sort(rxSeqBuf.begin(), rxSeqBuf.end());
|
|
if (in->seq < rxSeqBuf.front())
|
|
{
|
|
qDebug(logUdp()) << this->metaObject()->className() << ": ******* seq number has rolled over ****** previous highest: " << hex << rxSeqBuf.back() << " current: " << hex << in->seq;
|
|
//seqPrefix++;
|
|
// Looks like it has rolled over so clear buffer and start again.
|
|
rxSeqBuf.clear();
|
|
return;
|
|
}
|
|
|
|
if (!rxSeqBuf.contains(in->seq))
|
|
{
|
|
// Add incoming packet to the received buffer and if it is in the missing buffer, remove it.
|
|
rxSeqBuf.append(in->seq);
|
|
// Check whether this is one of our missing ones!
|
|
auto s = std::find_if(rxMissing.begin(), rxMissing.end(), [&cs = in->seq](SEQBUFENTRY& s) { return s.seqNum == cs; });
|
|
if (s != rxMissing.end())
|
|
{
|
|
qDebug(logUdp()) << this->metaObject()->className() << ": Missing SEQ has been received! " << hex << in->seq;
|
|
s = rxMissing.erase(s);
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
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.
|
|
|
|
QByteArray missingSeqs;
|
|
|
|
QMutexLocker rxlocker(&rxBufferMutex);
|
|
|
|
auto i = std::adjacent_find(rxSeqBuf.begin(), rxSeqBuf.end(), [](quint16 l, quint16 r) {return l + 1 < r; });
|
|
while (i != rxSeqBuf.end())
|
|
{
|
|
if (i + 1 != rxSeqBuf.end())
|
|
{
|
|
if (*(i + 1) - *i < 30)
|
|
{
|
|
for (quint16 j = *i + 1; j < *(i + 1); j++)
|
|
{
|
|
//qDebug(logUdp()) << this->metaObject()->className() << ": Found missing seq between " << *i << " : " << *(i + 1) << " (" << j << ")";
|
|
auto s = std::find_if(rxMissing.begin(), rxMissing.end(), [&cs = j](SEQBUFENTRY& s) { return s.seqNum == cs; });
|
|
if (s == rxMissing.end())
|
|
{
|
|
// We haven't seen this missing packet before
|
|
//qDebug(logUdp()) << this->metaObject()->className() << ": Adding to missing buffer (len="<< rxMissing.length() << "): " << j;
|
|
SEQBUFENTRY b;
|
|
b.seqNum = j;
|
|
b.retransmitCount = 0;
|
|
b.timeSent = QTime::currentTime();
|
|
rxMissing.append(b);
|
|
packetsLost++;
|
|
}
|
|
else {
|
|
if (s->retransmitCount == 4)
|
|
{
|
|
// We have tried 4 times to request this packet, time to give up!
|
|
s = rxMissing.erase(s);
|
|
rxSeqBuf.append(j); // Final thing is to add to received buffer!
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
qDebug(logUdp()) << this->metaObject()->className() << ": Too many missing, flushing buffers";
|
|
rxSeqBuf.clear();
|
|
missingSeqs.clear();
|
|
break;
|
|
}
|
|
}
|
|
i++;
|
|
}
|
|
|
|
|
|
for (auto it = rxMissing.begin(); it != rxMissing.end(); ++it)
|
|
{
|
|
if (it->retransmitCount < 10)
|
|
{
|
|
missingSeqs.append(it->seqNum & 0xff);
|
|
missingSeqs.append(it->seqNum >> 8 & 0xff);
|
|
missingSeqs.append(it->seqNum & 0xff);
|
|
missingSeqs.append(it->seqNum >> 8 & 0xff);
|
|
it->retransmitCount++;
|
|
}
|
|
}
|
|
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;
|
|
QMutexLocker udplocker(&udpMutex);
|
|
udp->writeDatagram(QByteArray::fromRawData((const char*)p.packet, sizeof(p)), radioIP, port);
|
|
}
|
|
else
|
|
{
|
|
qDebug(logUdp()) << this->metaObject()->className() << ": sending request for multiple missing packets : " << missingSeqs.toHex();
|
|
missingSeqs.insert(0, p.packet, sizeof(p.packet));
|
|
QMutexLocker udplocker(&udpMutex);
|
|
udp->writeDatagram(missingSeqs, radioIP, port);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// 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;
|
|
QMutexLocker udplocker(&udpMutex);
|
|
udp->writeDatagram(QByteArray::fromRawData((const char*)p.packet, sizeof(p)), radioIP, port);
|
|
}
|
|
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();
|
|
QMutexLocker udplocker(&udpMutex);
|
|
udp->writeDatagram(QByteArray::fromRawData((const char*)p.packet, sizeof(p)), radioIP, port);
|
|
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;
|
|
QMutexLocker udplocker(&udpMutex);
|
|
udp->writeDatagram(QByteArray::fromRawData((const char*)p.packet, sizeof(p)), radioIP, port);
|
|
return;
|
|
}
|
|
|
|
|
|
void udpBase::sendTrackedPacket(QByteArray d)
|
|
{
|
|
// As the radio can request retransmission of these packets, store them in a buffer (eventually!)
|
|
d[6] = sendSeq & 0xff;
|
|
d[7] = (sendSeq >> 8) & 0xff;
|
|
SEQBUFENTRY s;
|
|
s.seqNum = sendSeq;
|
|
s.timeSent = QTime::currentTime();
|
|
s.retransmitCount = 0;
|
|
s.data = d;
|
|
QMutexLocker txlocker(&txBufferMutex);
|
|
txSeqBuf.append(s);
|
|
QMutexLocker rxlocker(&rxBufferMutex);
|
|
purgeOldEntries(); // Delete entries older than PURGE_SECONDS seconds (currently 5)
|
|
sendSeq++;
|
|
|
|
QMutexLocker udplocker(&udpMutex);
|
|
udp->writeDatagram(d, radioIP, port);
|
|
if (idleTimer != Q_NULLPTR && idleTimer->isActive()) {
|
|
idleTimer->start(IDLE_PERIOD); // Reset idle counter if it's running
|
|
}
|
|
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 (!txSeqBuf.isEmpty())
|
|
{
|
|
txSeqBuf.erase(std::remove_if(txSeqBuf.begin(), txSeqBuf.end(), [](const SEQBUFENTRY& v)
|
|
{ return v.timeSent.secsTo(QTime::currentTime()) > PURGE_SECONDS; }), txSeqBuf.end());
|
|
}
|
|
|
|
// Erase old entries from the missing packets buffer
|
|
if (!rxMissing.isEmpty()) {
|
|
rxMissing.erase(std::remove_if(rxMissing.begin(), rxMissing.end(), [](const SEQBUFENTRY& v)
|
|
{ return v.timeSent.secsTo(QTime::currentTime()) > PURGE_SECONDS; }), rxMissing.end());
|
|
}
|
|
|
|
if (!rxSeqBuf.isEmpty()) {
|
|
std::sort(rxSeqBuf.begin(), rxSeqBuf.end());
|
|
|
|
if (rxSeqBuf.length() > 400)
|
|
{
|
|
rxSeqBuf.remove(0, 200);
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <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;
|
|
}
|
|
|