kopia lustrzana https://gitlab.com/eliggett/wfview
1634 wiersze
56 KiB
C++
1634 wiersze
56 KiB
C++
#include "udpserver.h"
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#include "logcategories.h"
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#define STALE_CONNECTION 15
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udpServer::udpServer(SERVERCONFIG config, audioSetup outAudio, audioSetup inAudio) :
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config(config),
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outAudio(outAudio),
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inAudio(inAudio)
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{
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qInfo(logUdpServer()) << "Starting udp server";
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}
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void udpServer::init()
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{
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srand(time(NULL)); // Generate random key
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timeStarted.start();
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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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foreach(QNetworkInterface netInterface, QNetworkInterface::allInterfaces())
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{
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// Return only the first non-loopback MAC Address
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if (!(netInterface.flags() & QNetworkInterface::IsLoopBack)) {
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macAddress = netInterface.hardwareAddress();
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}
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}
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uint32_t addr = localIP.toIPv4Address();
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qInfo(logUdpServer()) << " My IP Address: " << QHostAddress(addr).toString() << " My MAC Address: " << macAddress;
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controlId = (addr >> 8 & 0xff) << 24 | (addr & 0xff) << 16 | (config.controlPort & 0xffff);
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civId = (addr >> 8 & 0xff) << 24 | (addr & 0xff) << 16 | (config.civPort & 0xffff);
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audioId = (addr >> 8 & 0xff) << 24 | (addr & 0xff) << 16 | (config.audioPort & 0xffff);
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qInfo(logUdpServer()) << "Server Binding Control to: " << config.controlPort;
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udpControl = new QUdpSocket(this);
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udpControl->bind(config.controlPort);
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QUdpSocket::connect(udpControl, &QUdpSocket::readyRead, this, &udpServer::controlReceived);
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qInfo(logUdpServer()) << "Server Binding CIV to: " << config.civPort;
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udpCiv = new QUdpSocket(this);
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udpCiv->bind(config.civPort);
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QUdpSocket::connect(udpCiv, &QUdpSocket::readyRead, this, &udpServer::civReceived);
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qInfo(logUdpServer()) << "Server Binding Audio to: " << config.audioPort;
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udpAudio = new QUdpSocket(this);
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udpAudio->bind(config.audioPort);
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QUdpSocket::connect(udpAudio, &QUdpSocket::readyRead, this, &udpServer::audioReceived);
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wdTimer = new QTimer();
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connect(wdTimer, &QTimer::timeout, this, &udpServer::watchdog);
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wdTimer->start(500);
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}
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udpServer::~udpServer()
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{
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qInfo(logUdpServer()) << "Closing udpServer";
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connMutex.lock();
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foreach(CLIENT * client, controlClients)
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{
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if (client->idleTimer != Q_NULLPTR)
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{
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client->idleTimer->stop();
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delete client->idleTimer;
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}
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if (client->pingTimer != Q_NULLPTR) {
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client->pingTimer->stop();
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delete client->pingTimer;
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}
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if (client->retransmitTimer != Q_NULLPTR) {
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client->retransmitTimer->stop();
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delete client->retransmitTimer;
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}
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delete client;
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controlClients.removeAll(client);
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}
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foreach(CLIENT * client, civClients)
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{
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if (client->idleTimer != Q_NULLPTR)
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{
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client->idleTimer->stop();
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delete client->idleTimer;
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}
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if (client->pingTimer != Q_NULLPTR) {
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client->pingTimer->stop();
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delete client->pingTimer;
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}
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if (client->retransmitTimer != Q_NULLPTR) {
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client->retransmitTimer->stop();
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delete client->retransmitTimer;
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}
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delete client;
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civClients.removeAll(client);
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}
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foreach(CLIENT * client, audioClients)
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{
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if (client->idleTimer != Q_NULLPTR)
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{
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client->idleTimer->stop();
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delete client->idleTimer;
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}
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if (client->pingTimer != Q_NULLPTR) {
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client->pingTimer->stop();
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delete client->pingTimer;
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}
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if (client->retransmitTimer != Q_NULLPTR) {
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client->retransmitTimer->stop();
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delete client->retransmitTimer;
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}
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delete client;
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audioClients.removeAll(client);
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}
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if (rxAudioTimer != Q_NULLPTR) {
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rxAudioTimer->stop();
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delete rxAudioTimer;
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rxAudioTimer = Q_NULLPTR;
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}
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if (rxAudioThread != Q_NULLPTR) {
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rxAudioThread->quit();
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rxAudioThread->wait();
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}
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if (txAudioThread != Q_NULLPTR) {
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txAudioThread->quit();
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txAudioThread->wait();
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}
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if (udpControl != Q_NULLPTR) {
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udpControl->close();
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delete udpControl;
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}
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if (udpCiv != Q_NULLPTR) {
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udpCiv->close();
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delete udpCiv;
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}
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if (udpAudio != Q_NULLPTR) {
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udpAudio->close();
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delete udpAudio;
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}
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connMutex.unlock();
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}
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void udpServer::receiveRigCaps(rigCapabilities caps)
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{
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this->rigCaps = caps;
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}
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#define RETRANSMIT_PERIOD 100
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void udpServer::controlReceived()
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{
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// Received data on control port.
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while (udpControl->hasPendingDatagrams()) {
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QNetworkDatagram datagram = udpControl->receiveDatagram();
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QByteArray r = datagram.data();
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CLIENT* current = Q_NULLPTR;
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if (datagram.senderAddress().isNull() || datagram.senderPort() == 65535 || datagram.senderPort() == 0)
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return;
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foreach(CLIENT * client, controlClients)
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{
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if (client != Q_NULLPTR)
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{
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if (client->ipAddress == datagram.senderAddress() && client->port == datagram.senderPort())
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{
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current = client;
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}
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}
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}
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if (current == Q_NULLPTR)
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{
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current = new CLIENT();
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current->type = "Control";
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current->connected = true;
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current->isAuthenticated = false;
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current->isStreaming = false;
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current->timeConnected = QDateTime::currentDateTime();
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current->ipAddress = datagram.senderAddress();
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current->port = datagram.senderPort();
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current->civPort = config.civPort;
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current->audioPort = config.audioPort;
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current->myId = controlId;
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current->remoteId = qFromLittleEndian<quint32>(r.mid(8, 4));
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current->socket = udpControl;
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current->pingSeq = (quint8)rand() << 8 | (quint8)rand();
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current->pingTimer = new QTimer();
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connect(current->pingTimer, &QTimer::timeout, this, std::bind(&udpServer::sendPing, this, &controlClients, current, (quint16)0x00, false));
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current->pingTimer->start(100);
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current->idleTimer = new QTimer();
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connect(current->idleTimer, &QTimer::timeout, this, std::bind(&udpServer::sendControl, this, current, (quint8)0x00, (quint16)0x00));
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current->idleTimer->start(100);
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current->retransmitTimer = new QTimer();
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connect(current->retransmitTimer, &QTimer::timeout, this, std::bind(&udpServer::sendRetransmitRequest, this, current));
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current->retransmitTimer->start(RETRANSMIT_PERIOD);
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current->commonCap = 0x8010;
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qInfo(logUdpServer()) << current->ipAddress.toString() << ": New Control connection created";
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connMutex.lock();
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controlClients.append(current);
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connMutex.unlock();
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}
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current->lastHeard = QDateTime::currentDateTime();
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switch (r.length())
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{
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case (CONTROL_SIZE):
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{
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control_packet_t in = (control_packet_t)r.constData();
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if (in->type == 0x05)
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{
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qInfo(logUdpServer()) << current->ipAddress.toString() << ": Received 'disconnect' request";
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sendControl(current, 0x00, in->seq);
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if (current->audioClient != Q_NULLPTR) {
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deleteConnection(&audioClients, current->audioClient);
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}
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if (current->civClient != Q_NULLPTR) {
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deleteConnection(&civClients, current->civClient);
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}
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deleteConnection(&controlClients, current);
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return;
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}
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break;
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}
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case (PING_SIZE):
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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)
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{
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// It is a ping request/response
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if (in->reply == 0x00)
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{
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current->rxPingTime = in->time;
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sendPing(&controlClients, current, in->seq, true);
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}
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else if (in->reply == 0x01) {
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if (in->seq == current->pingSeq || in->seq == current->pingSeq - 1)
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{
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// A Reply to our ping!
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if (in->seq == current->pingSeq) {
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current->pingSeq++;
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}
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else {
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qInfo(logUdpServer()) << current->ipAddress.toString() << ": got out of sequence ping reply. Got: " << in->seq << " expecting: " << current->pingSeq;
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}
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}
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}
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}
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break;
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}
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case (TOKEN_SIZE):
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{
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// Token request
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token_packet_t in = (token_packet_t)r.constData();
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current->rxSeq = in->seq;
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current->authInnerSeq = in->innerseq;
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current->identa = in->identa;
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current->identb = in->identb;
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if (in->res == 0x02) {
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// Request for new token
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qInfo(logUdpServer()) << current->ipAddress.toString() << ": Received create token request";
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sendCapabilities(current);
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sendConnectionInfo(current);
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}
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else if (in->res == 0x01) {
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// Token disconnect
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qInfo(logUdpServer()) << current->ipAddress.toString() << ": Received token disconnect request";
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sendTokenResponse(current, in->res);
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}
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else if (in->res == 0x04) {
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// Disconnect audio/civ
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sendTokenResponse(current, in->res);
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current->isStreaming = false;
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sendConnectionInfo(current);
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}
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else {
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qInfo(logUdpServer()) << current->ipAddress.toString() << ": Received token request";
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sendTokenResponse(current, in->res);
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}
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break;
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}
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case (LOGIN_SIZE):
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{
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login_packet_t in = (login_packet_t)r.constData();
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qInfo(logUdpServer()) << current->ipAddress.toString() << ": Received 'login'";
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foreach(SERVERUSER user, config.users)
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{
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QByteArray usercomp;
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passcode(user.username, usercomp);
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QByteArray passcomp;
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passcode(user.password, passcomp);
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if (!user.username.trimmed().isEmpty() && !user.password.trimmed().isEmpty() && !strcmp(in->username, usercomp.constData()) &&
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(!strcmp(in->password, user.password.toUtf8()) || !strcmp(in->password, passcomp.constData())))
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{
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current->isAuthenticated = true;
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current->user = user;
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break;
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}
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}
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// Generate login response
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current->rxSeq = in->seq;
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current->clientName = in->name;
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current->authInnerSeq = in->innerseq;
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current->tokenRx = in->tokrequest;
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current->tokenTx = (quint8)rand() | (quint8)rand() << 8 | (quint8)rand() << 16 | (quint8)rand() << 24;
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if (current->isAuthenticated) {
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qInfo(logUdpServer()) << current->ipAddress.toString() << ": User " << current->user.username << " login OK";
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sendLoginResponse(current, true);
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}
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else {
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qInfo(logUdpServer()) << current->ipAddress.toString() << ": Incorrect username/password";
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sendLoginResponse(current, false);
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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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qInfo(logUdpServer()) << current->ipAddress.toString() << ": Received request for radio connection";
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// Request to start audio and civ!
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current->isStreaming = true;
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current->rxSeq = in->seq;
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current->rxCodec = in->rxcodec;
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current->txCodec = in->txcodec;
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current->rxSampleRate = qFromBigEndian<quint32>(in->rxsample);
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current->txSampleRate = qFromBigEndian<quint32>(in->txsample);
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current->txBufferLen = qFromBigEndian<quint32>(in->txbuffer);
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current->authInnerSeq = in->innerseq;
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current->identa = in->identa;
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current->identb = in->identb;
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sendStatus(current);
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current->authInnerSeq = 0x00;
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sendConnectionInfo(current);
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qInfo(logUdpServer()) << current->ipAddress.toString() << ": rxCodec:" << current->rxCodec << " txCodec:" << current->txCodec <<
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" rxSampleRate" << current->rxSampleRate <<
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" txSampleRate" << current->txSampleRate <<
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" txBufferLen" << current->txBufferLen;
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if (!config.lan) {
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// Radio is connected by USB/Serial and we assume that audio is connected as well.
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// Create audio TX/RX threads if they don't already exist (first client chooses samplerate/codec)
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audioSetup setup;
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setup.resampleQuality = config.resampleQuality;
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if (txaudio == Q_NULLPTR)
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{
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outAudio.codec = current->txCodec;
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outAudio.samplerate = current->txSampleRate;
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outAudio.latency = current->txBufferLen;
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txaudio = new audioHandler();
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txAudioThread = new QThread(this);
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txAudioThread->setPriority(QThread::TimeCriticalPriority);
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txaudio->moveToThread(txAudioThread);
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txAudioThread->start(QThread::TimeCriticalPriority);
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connect(this, SIGNAL(setupTxAudio(audioSetup)), txaudio, SLOT(init(audioSetup)));
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connect(txAudioThread, SIGNAL(finished()), txaudio, SLOT(deleteLater()));
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emit setupTxAudio(outAudio);
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hasTxAudio = datagram.senderAddress();
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connect(this, SIGNAL(haveAudioData(audioPacket)), txaudio, SLOT(incomingAudio(audioPacket)));
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}
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if (rxaudio == Q_NULLPTR)
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{
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inAudio.codec = current->rxCodec;
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inAudio.samplerate = current->rxSampleRate;
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rxaudio = new audioHandler();
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rxAudioThread = new QThread(this);
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rxaudio->moveToThread(rxAudioThread);
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rxAudioThread->start(QThread::TimeCriticalPriority);
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connect(this, SIGNAL(setupRxAudio(audioSetup)), rxaudio, SLOT(init(audioSetup)));
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connect(rxAudioThread, SIGNAL(finished()), rxaudio, SLOT(deleteLater()));
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emit setupRxAudio(inAudio);
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rxAudioTimer = new QTimer();
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rxAudioTimer->setTimerType(Qt::PreciseTimer);
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connect(rxAudioTimer, &QTimer::timeout, this, std::bind(&udpServer::sendRxAudio, this));
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rxAudioTimer->start(20);
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}
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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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break;
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}
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}
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// Connection "may" have been deleted so check before calling common function.
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if (current != Q_NULLPTR) {
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commonReceived(&controlClients, current, r);
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}
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}
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}
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void udpServer::civReceived()
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{
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while (udpCiv->hasPendingDatagrams()) {
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QNetworkDatagram datagram = udpCiv->receiveDatagram();
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QByteArray r = datagram.data();
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CLIENT* current = Q_NULLPTR;
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if (datagram.senderAddress().isNull() || datagram.senderPort() == 65535 || datagram.senderPort() == 0)
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return;
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QDateTime now = QDateTime::currentDateTime();
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foreach(CLIENT * client, civClients)
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{
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if (client != Q_NULLPTR)
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{
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if (client->ipAddress == datagram.senderAddress() && client->port == datagram.senderPort())
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{
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current = client;
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}
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}
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}
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if (current == Q_NULLPTR)
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{
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current = new CLIENT();
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foreach(CLIENT* client, controlClients)
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{
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if (client != Q_NULLPTR)
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{
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if (client->ipAddress == datagram.senderAddress() && client->isAuthenticated && client->civClient == Q_NULLPTR)
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{
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current->controlClient = client;
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client->civClient = current;
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}
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}
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}
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if (current->controlClient == Q_NULLPTR || !current->controlClient->isAuthenticated)
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{
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// There is no current controlClient that matches this civClient
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delete current;
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return;
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}
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current->type = "CIV";
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current->civId = 0;
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current->connected = true;
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current->timeConnected = QDateTime::currentDateTime();
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current->ipAddress = datagram.senderAddress();
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current->port = datagram.senderPort();
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current->myId = civId;
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current->remoteId = qFromLittleEndian<quint32>(r.mid(8, 4));
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current->socket = udpCiv;
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current->pingSeq = (quint8)rand() << 8 | (quint8)rand();
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current->pingTimer = new QTimer();
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connect(current->pingTimer, &QTimer::timeout, this, std::bind(&udpServer::sendPing, this, &civClients, current, (quint16)0x00, false));
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current->pingTimer->start(100);
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current->idleTimer = new QTimer();
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connect(current->idleTimer, &QTimer::timeout, this, std::bind(&udpServer::sendControl, this, current, 0x00, (quint16)0x00));
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//current->idleTimer->start(100); // Start idleTimer after receiving iamready.
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current->retransmitTimer = new QTimer();
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connect(current->retransmitTimer, &QTimer::timeout, this, std::bind(&udpServer::sendRetransmitRequest, this, current));
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current->retransmitTimer->start(RETRANSMIT_PERIOD);
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|
|
qInfo(logUdpServer()) << current->ipAddress.toString() << "(" << current->type << "): New connection created";
|
|
connMutex.lock();
|
|
civClients.append(current);
|
|
connMutex.unlock();
|
|
|
|
}
|
|
|
|
|
|
switch (r.length())
|
|
{
|
|
/* case (CONTROL_SIZE):
|
|
{
|
|
}
|
|
*/
|
|
case (PING_SIZE):
|
|
{
|
|
ping_packet_t in = (ping_packet_t)r.constData();
|
|
if (in->type == 0x07)
|
|
{
|
|
// It is a ping request/response
|
|
|
|
if (in->reply == 0x00)
|
|
{
|
|
current->rxPingTime = in->time;
|
|
sendPing(&civClients, current, in->seq, true);
|
|
}
|
|
else if (in->reply == 0x01) {
|
|
if (in->seq == current->pingSeq || in->seq == current->pingSeq - 1)
|
|
{
|
|
// A Reply to our ping!
|
|
if (in->seq == current->pingSeq) {
|
|
current->pingSeq++;
|
|
}
|
|
else {
|
|
qInfo(logUdpServer()) << current->ipAddress.toString() << ": got out of sequence ping reply. Got: " << in->seq << " expecting: " << current->pingSeq;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
|
|
if (r.length() > 0x18) {
|
|
data_packet_t in = (data_packet_t)r.constData();
|
|
if (in->type != 0x01)
|
|
{
|
|
if (quint16(in->datalen + 0x15) == (quint16)in->len)
|
|
{
|
|
// Strip all '0xFE' command preambles first:
|
|
int lastFE = r.lastIndexOf((char)0xfe);
|
|
//qInfo(logUdpServer()) << "Got:" << r.mid(lastFE);
|
|
if (current->civId == 0 && r.length() > lastFE + 2 && (quint8)r[lastFE+2] != 0xE1 && (quint8)r[lastFE + 2] > (quint8)0xdf && (quint8)r[lastFE + 2] < (quint8)0xef) {
|
|
// This is (should be) the remotes CIV id.
|
|
current->civId = (quint8)r[lastFE + 2];
|
|
qInfo(logUdpServer()) << current->ipAddress.toString() << ": Detected remote CI-V:" << hex << current->civId;
|
|
}
|
|
else if (current->civId != 0 && r.length() > lastFE + 2 && (quint8)r[lastFE+2] != 0xE1 && (quint8)r[lastFE + 2] != current->civId)
|
|
{
|
|
current->civId = (quint8)r[lastFE + 2];
|
|
qDebug(logUdpServer()) << current->ipAddress.toString() << ": Detected different remote CI-V:" << hex << current->civId; qInfo(logUdpServer()) << current->ipAddress.toString() << ": Detected different remote CI-V:" << hex << current->civId;
|
|
} else if (r.length() > lastFE+2 && (quint8)r[lastFE+2] != 0xE1) {
|
|
qDebug(logUdpServer()) << current->ipAddress.toString() << ": Detected invalid remote CI-V:" << hex << (quint8)r[lastFE+2];
|
|
}
|
|
|
|
emit haveDataFromServer(r.mid(0x15));
|
|
}
|
|
else {
|
|
qInfo(logUdpServer()) << current->ipAddress.toString() << ": Datalen mismatch " << quint16(in->datalen + 0x15) << ":" << (quint16)in->len;
|
|
|
|
}
|
|
}
|
|
}
|
|
//break;
|
|
}
|
|
}
|
|
if (current != Q_NULLPTR) {
|
|
udpServer::commonReceived(&civClients, current, r);
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
void udpServer::audioReceived()
|
|
{
|
|
while (udpAudio->hasPendingDatagrams()) {
|
|
QNetworkDatagram datagram = udpAudio->receiveDatagram();
|
|
QByteArray r = datagram.data();
|
|
CLIENT* current = Q_NULLPTR;
|
|
|
|
if (datagram.senderAddress().isNull() || datagram.senderPort() == 65535 || datagram.senderPort() == 0)
|
|
return;
|
|
|
|
QDateTime now = QDateTime::currentDateTime();
|
|
|
|
foreach(CLIENT * client, audioClients)
|
|
{
|
|
if (client != Q_NULLPTR)
|
|
{
|
|
if (client->ipAddress == datagram.senderAddress() && client->port == datagram.senderPort())
|
|
{
|
|
current = client;
|
|
}
|
|
}
|
|
}
|
|
if (current == Q_NULLPTR)
|
|
{
|
|
current = new CLIENT();
|
|
foreach(CLIENT* client, controlClients)
|
|
{
|
|
if (client != Q_NULLPTR)
|
|
{
|
|
if (client->ipAddress == datagram.senderAddress() && client->isAuthenticated && client->audioClient == Q_NULLPTR)
|
|
{
|
|
current->controlClient = client;
|
|
client->audioClient = current;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (current->controlClient == Q_NULLPTR || !current->controlClient->isAuthenticated)
|
|
{
|
|
// There is no current controlClient that matches this audioClient
|
|
delete current;
|
|
return;
|
|
}
|
|
|
|
current->type = "Audio";
|
|
current->connected = true;
|
|
current->timeConnected = QDateTime::currentDateTime();
|
|
current->ipAddress = datagram.senderAddress();
|
|
current->port = datagram.senderPort();
|
|
current->myId = audioId;
|
|
current->remoteId = qFromLittleEndian<quint32>(r.mid(8, 4));
|
|
current->socket = udpAudio;
|
|
current->pingSeq = (quint8)rand() << 8 | (quint8)rand();
|
|
|
|
current->pingTimer = new QTimer();
|
|
connect(current->pingTimer, &QTimer::timeout, this, std::bind(&udpServer::sendPing, this, &audioClients, current, (quint16)0x00, false));
|
|
current->pingTimer->start(100);
|
|
|
|
current->retransmitTimer = new QTimer();
|
|
connect(current->retransmitTimer, &QTimer::timeout, this, std::bind(&udpServer::sendRetransmitRequest, this, current));
|
|
current->retransmitTimer->start(RETRANSMIT_PERIOD);
|
|
current->seqPrefix = 0;
|
|
qInfo(logUdpServer()) << current->ipAddress.toString() << "(" << current->type << "): New connection created";
|
|
connMutex.lock();
|
|
audioClients.append(current);
|
|
connMutex.unlock();
|
|
|
|
}
|
|
|
|
|
|
switch (r.length())
|
|
{
|
|
case (PING_SIZE):
|
|
{
|
|
ping_packet_t in = (ping_packet_t)r.constData();
|
|
if (in->type == 0x07)
|
|
{
|
|
// It is a ping request/response
|
|
|
|
if (in->reply == 0x00)
|
|
{
|
|
current->rxPingTime = in->time;
|
|
sendPing(&audioClients, current, in->seq, true);
|
|
}
|
|
else if (in->reply == 0x01) {
|
|
if (in->seq == current->pingSeq || in->seq == current->pingSeq - 1)
|
|
{
|
|
// A Reply to our ping!
|
|
if (in->seq == current->pingSeq) {
|
|
current->pingSeq++;
|
|
}
|
|
else {
|
|
qInfo(logUdpServer()) << current->ipAddress.toString() << ": got out of sequence ping reply. Got: " << in->seq << " expecting: " << current->pingSeq;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
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) {
|
|
// Opus packets can be smaller than this! && in->len >= 0xAC) {
|
|
if (in->seq == 0)
|
|
{
|
|
// Seq number has rolled over.
|
|
current->seqPrefix++;
|
|
}
|
|
|
|
if (hasTxAudio == current->ipAddress)
|
|
{
|
|
// 0xac is the smallest possible audio packet.
|
|
audioPacket tempAudio;
|
|
tempAudio.seq = (quint32)current->seqPrefix << 16 | in->seq;
|
|
tempAudio.time = QTime::currentTime();;
|
|
tempAudio.sent = 0;
|
|
tempAudio.data = r.mid(0x18);
|
|
//qInfo(logUdpServer()) << "sending tx audio " << in->seq;
|
|
emit haveAudioData(tempAudio);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
}
|
|
if (current != Q_NULLPTR) {
|
|
udpServer::commonReceived(&audioClients, current, r);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void udpServer::commonReceived(QList<CLIENT*>* l, CLIENT* current, QByteArray r)
|
|
{
|
|
Q_UNUSED(l); // We might need it later!
|
|
if (current == Q_NULLPTR || r.isNull()) {
|
|
return;
|
|
}
|
|
current->lastHeard = QDateTime::currentDateTime();
|
|
if (r.length() < 0x10)
|
|
{
|
|
// Invalid packet
|
|
qInfo(logUdpServer()) << current->ipAddress.toString() << "(" << current->type << "): Invalid packet received, len: " << r.length();
|
|
return;
|
|
}
|
|
|
|
switch (r.length())
|
|
{
|
|
case (CONTROL_SIZE):
|
|
{
|
|
control_packet_t in = (control_packet_t)r.constData();
|
|
if (in->type == 0x03) {
|
|
qInfo(logUdpServer()) << current->ipAddress.toString() << "(" << current->type << "): Received 'are you there'";
|
|
current->remoteId = in->sentid;
|
|
sendControl(current, 0x04, in->seq);
|
|
} // This is This is "Are you ready" in response to "I am here".
|
|
else if (in->type == 0x06)
|
|
{
|
|
qInfo(logUdpServer()) << current->ipAddress.toString() << "(" << current->type << "): Received 'Are you ready'";
|
|
current->remoteId = in->sentid;
|
|
sendControl(current, 0x06, in->seq);
|
|
if (current->idleTimer != Q_NULLPTR && !current->idleTimer->isActive()) {
|
|
current->idleTimer->start(100);
|
|
}
|
|
} // This is a retransmit request
|
|
else if (in->type == 0x01)
|
|
{
|
|
// Single packet request
|
|
qInfo(logUdpServer()) << current->ipAddress.toString() << "(" << current->type << "): Received 'retransmit' request for " << in->seq;
|
|
QMap<quint16, SEQBUFENTRY>::iterator match = current->txSeqBuf.find(in->seq);
|
|
|
|
if (match != current->txSeqBuf.end() && match->retransmitCount < 5) {
|
|
// Found matching entry?
|
|
// Don't constantly retransmit the same packet, give-up eventually
|
|
qInfo(logUdpServer()) << current->ipAddress.toString() << "(" << current->type << "): Sending retransmit of " << hex << match->seqNum;
|
|
match->retransmitCount++;
|
|
udpMutex.lock();
|
|
current->socket->writeDatagram(match->data, current->ipAddress, current->port);
|
|
udpMutex.unlock();
|
|
}
|
|
else {
|
|
// Just send an idle!
|
|
sendControl(current, 0x00, in->seq);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
//break;
|
|
}
|
|
}
|
|
|
|
// The packet is at least 0x10 in length so safe to cast it to control_packet for processing
|
|
control_packet_t in = (control_packet_t)r.constData();
|
|
|
|
if (in->type == 0x01 && in->len != 0x10)
|
|
{
|
|
for (quint16 i = 0x10; i < r.length(); i = i + 2)
|
|
{
|
|
auto match = std::find_if(current->txSeqBuf.begin(), current->txSeqBuf.end(), [&cs = in->seq](SEQBUFENTRY& s) {
|
|
return s.seqNum == cs;
|
|
});
|
|
if (match == current->txSeqBuf.end()) {
|
|
qInfo(logUdpServer()) << current->ipAddress.toString() << "(" << current->type << "): Requested packet " << hex << in->seq << " not found";
|
|
// Just send idle packet.
|
|
sendControl(current, 0, in->seq);
|
|
}
|
|
else if (match->seqNum != 0x00)
|
|
{
|
|
// Found matching entry?
|
|
// Send "untracked" as it has already been sent once.
|
|
qInfo(logUdpServer()) << current->ipAddress.toString() << "(" << current->type << "): Sending retransmit of " << hex << match->seqNum;
|
|
match->retransmitCount++;
|
|
udpMutex.lock();
|
|
current->socket->writeDatagram(match->data, current->ipAddress, current->port);
|
|
udpMutex.unlock();
|
|
match++;
|
|
}
|
|
}
|
|
}
|
|
else if (in->type == 0x00 && in->seq != 0x00)
|
|
{
|
|
//if (current->type == "CIV") {
|
|
// qInfo(logUdpServer()) << "Got:" << in->seq;
|
|
//}
|
|
if (current->rxSeqBuf.isEmpty())
|
|
{
|
|
current->rxMutex.lock();
|
|
current->rxSeqBuf.insert(in->seq, QTime::currentTime());
|
|
current->rxMutex.unlock();
|
|
}
|
|
else
|
|
{
|
|
|
|
if (in->seq < current->rxSeqBuf.firstKey())
|
|
{
|
|
qInfo(logUdpServer()) << current->ipAddress.toString() << "(" << current->type << "): ******* seq number may have rolled over ****** previous highest: " << hex << current->rxSeqBuf.lastKey() << " current: " << hex << in->seq;
|
|
// Looks like it has rolled over so clear buffer and start again.
|
|
current->rxMutex.lock();
|
|
current->rxSeqBuf.clear();
|
|
current->rxMutex.unlock();
|
|
current->missMutex.lock();
|
|
current->rxMissing.clear();
|
|
current->missMutex.unlock();
|
|
return;
|
|
}
|
|
|
|
if (!current->rxSeqBuf.contains(in->seq))
|
|
{
|
|
// Add incoming packet to the received buffer and if it is in the missing buffer, remove it.
|
|
current->rxMutex.lock();
|
|
if (current->rxSeqBuf.size() > 400)
|
|
{
|
|
current->rxSeqBuf.remove(0);
|
|
}
|
|
current->rxSeqBuf.insert(in->seq, QTime::currentTime());
|
|
current->rxMutex.unlock();
|
|
} else{
|
|
// Check whether this is one of our missing ones!
|
|
current->missMutex.lock();
|
|
QMap<quint16, int>::iterator s = current->rxMissing.find(in->seq);
|
|
if (s != current->rxMissing.end())
|
|
{
|
|
qInfo(logUdpServer()) << current->ipAddress.toString() << "(" << current->type << "): Missing SEQ has been received! " << hex << in->seq;
|
|
s = current->rxMissing.erase(s);
|
|
}
|
|
current->missMutex.unlock();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void udpServer::sendControl(CLIENT* c, quint8 type, quint16 seq)
|
|
{
|
|
|
|
//qInfo(logUdpServer()) << c->ipAddress.toString() << ": Sending control packet: " << type;
|
|
|
|
control_packet p;
|
|
memset(p.packet, 0x0, CONTROL_SIZE); // We can't be sure it is initialized with 0x00!
|
|
p.len = sizeof(p);
|
|
p.type = type;
|
|
p.sentid = c->myId;
|
|
p.rcvdid = c->remoteId;
|
|
|
|
if (seq == 0x00)
|
|
{
|
|
p.seq = c->txSeq;
|
|
SEQBUFENTRY s;
|
|
s.seqNum = seq;
|
|
s.timeSent = QTime::currentTime();
|
|
s.retransmitCount = 0;
|
|
s.data = QByteArray::fromRawData((const char*)p.packet, sizeof(p));
|
|
c->txMutex.lock();
|
|
c->txSeqBuf.insert(seq, s);
|
|
c->txSeq++;
|
|
c->txMutex.unlock();
|
|
|
|
udpMutex.lock();
|
|
c->socket->writeDatagram(QByteArray::fromRawData((const char*)p.packet, sizeof(p)), c->ipAddress, c->port);
|
|
udpMutex.unlock();
|
|
}
|
|
else {
|
|
p.seq = seq;
|
|
udpMutex.lock();
|
|
c->socket->writeDatagram(QByteArray::fromRawData((const char*)p.packet, sizeof(p)), c->ipAddress, c->port);
|
|
udpMutex.unlock();
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
|
|
void udpServer::sendPing(QList<CLIENT*>* l, CLIENT* c, quint16 seq, bool reply)
|
|
{
|
|
Q_UNUSED(l);
|
|
/*
|
|
QDateTime now = QDateTime::currentDateTime();
|
|
|
|
if (c->lastHeard.secsTo(now) > STALE_CONNECTION)
|
|
{
|
|
qInfo(logUdpServer()) << c->ipAddress.toString() << "(" << c->type << "): Deleting stale connection ";
|
|
deleteConnection(l, c);
|
|
return;
|
|
}
|
|
|
|
*/
|
|
|
|
//qInfo(logUdpServer()) << c->ipAddress.toString() << ": Sending Ping";
|
|
|
|
quint32 pingTime = 0;
|
|
if (reply) {
|
|
pingTime = c->rxPingTime;
|
|
}
|
|
else {
|
|
pingTime = (quint32)timeStarted.msecsSinceStartOfDay();
|
|
seq = c->pingSeq;
|
|
// Don't increment pingseq until we receive a reply.
|
|
}
|
|
|
|
// First byte of pings "from" server can be either 0x00 or packet length!
|
|
ping_packet p;
|
|
memset(p.packet, 0x0, sizeof(p)); // We can't be sure it is initialized with 0x00!
|
|
if (reply) {
|
|
p.len = sizeof(p);
|
|
}
|
|
p.type = 0x07;
|
|
p.seq = seq;
|
|
p.sentid = c->myId;
|
|
p.rcvdid = c->remoteId;
|
|
p.time = pingTime;
|
|
p.reply = (char)reply;
|
|
|
|
udpMutex.lock();
|
|
c->socket->writeDatagram(QByteArray::fromRawData((const char*)p.packet, sizeof(p)), c->ipAddress, c->port);
|
|
udpMutex.unlock();
|
|
|
|
return;
|
|
}
|
|
|
|
void udpServer::sendLoginResponse(CLIENT* c, bool allowed)
|
|
{
|
|
qInfo(logUdpServer()) << c->ipAddress.toString() << "(" << c->type << "): Sending Login response: " << c->txSeq;
|
|
|
|
login_response_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.seq = c->txSeq;
|
|
p.sentid = c->myId;
|
|
p.rcvdid = c->remoteId;
|
|
p.innerseq = c->authInnerSeq;
|
|
p.tokrequest = c->tokenRx;
|
|
p.token = c->tokenTx;
|
|
p.code = 0x0250;
|
|
|
|
|
|
if (!allowed) {
|
|
p.error = 0xFEFFFFFF;
|
|
if (c->idleTimer != Q_NULLPTR)
|
|
c->idleTimer->stop();
|
|
if (c->pingTimer != Q_NULLPTR)
|
|
c->pingTimer->stop();
|
|
if (c->retransmitTimer != Q_NULLPTR)
|
|
c->retransmitTimer->stop();
|
|
}
|
|
else {
|
|
strcpy(p.connection, "WFVIEW");
|
|
}
|
|
|
|
SEQBUFENTRY s;
|
|
s.seqNum = c->txSeq;
|
|
s.timeSent = QTime::currentTime();
|
|
s.retransmitCount = 0;
|
|
s.data = QByteArray::fromRawData((const char*)p.packet, sizeof(p));
|
|
c->txMutex.lock();
|
|
c->txSeqBuf.insert(c->txSeq, s);
|
|
c->txSeq++;
|
|
c->txMutex.unlock();
|
|
|
|
udpMutex.lock();
|
|
c->socket->writeDatagram(QByteArray::fromRawData((const char*)p.packet, sizeof(p)), c->ipAddress, c->port);
|
|
udpMutex.unlock();
|
|
|
|
if (c->idleTimer != Q_NULLPTR)
|
|
c->idleTimer->start(100);
|
|
|
|
return;
|
|
}
|
|
|
|
void udpServer::sendCapabilities(CLIENT* c)
|
|
{
|
|
qInfo(logUdpServer()) << c->ipAddress.toString() << "(" << c->type << "): Sending Capabilities :" << c->txSeq;
|
|
|
|
capabilities_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.seq = c->txSeq;
|
|
p.sentid = c->myId;
|
|
p.rcvdid = c->remoteId;
|
|
p.innerseq = c->authInnerSeq;
|
|
p.tokrequest = c->tokenRx;
|
|
p.token = c->tokenTx;
|
|
p.code = 0x0298;
|
|
p.res = 0x02;
|
|
p.capa = 0x01;
|
|
p.commoncap = c->commonCap;
|
|
|
|
memcpy(p.macaddress, macAddress.toLocal8Bit(), 6);
|
|
// IRU seems to expect an "Icom" mac address so replace the first 3 octets of our Mac with one in their range!
|
|
memcpy(p.macaddress, QByteArrayLiteral("\x00\x90\xc7").constData(), 3);
|
|
|
|
|
|
memcpy(p.name, rigCaps.modelName.toLocal8Bit(), rigCaps.modelName.length());
|
|
memcpy(p.audio, QByteArrayLiteral("ICOM_VAUDIO").constData(), 11);
|
|
|
|
if (rigCaps.hasWiFi && !rigCaps.hasEthernet) {
|
|
p.conntype = 0x0707; // 0x0707 for wifi rig.
|
|
}
|
|
else {
|
|
p.conntype = 0x073f; // 0x073f for ethernet rig.
|
|
}
|
|
|
|
p.civ = rigCaps.civ;
|
|
p.baudrate = (quint32)qToBigEndian(config.baudRate);
|
|
/*
|
|
0x80 = 12K only
|
|
0x40 = 44.1K only
|
|
0x20 = 22.05K only
|
|
0x10 = 11.025K only
|
|
0x08 = 48K only
|
|
0x04 = 32K only
|
|
0x02 = 16K only
|
|
0x01 = 8K only
|
|
*/
|
|
if (rxaudio == Q_NULLPTR) {
|
|
p.rxsample = 0x8b01; // all rx sample frequencies supported
|
|
}
|
|
else {
|
|
if (rxSampleRate == 48000) {
|
|
p.rxsample = 0x0800; // fixed rx sample frequency
|
|
}
|
|
else if (rxSampleRate == 32000) {
|
|
p.rxsample = 0x0400;
|
|
}
|
|
else if (rxSampleRate == 24000) {
|
|
p.rxsample = 0x0001;
|
|
}
|
|
else if (rxSampleRate == 16000) {
|
|
p.rxsample = 0x0200;
|
|
}
|
|
else if (rxSampleRate == 12000) {
|
|
p.rxsample = 0x8000;
|
|
}
|
|
}
|
|
|
|
if (txaudio == Q_NULLPTR) {
|
|
p.txsample = 0x8b01; // all tx sample frequencies supported
|
|
p.enablea = 0x01; // 0x01 enables TX 24K mode?
|
|
qInfo(logUdpServer()) << c->ipAddress.toString() << "(" << c->type << "): Client will have TX audio";
|
|
}
|
|
else {
|
|
qInfo(logUdpServer()) << c->ipAddress.toString() << "(" << c->type << "): Disable tx audio for client";
|
|
p.txsample = 0;
|
|
}
|
|
|
|
// I still don't know what these are?
|
|
p.enableb = 0x01; // 0x01 doesn't seem to do anything?
|
|
p.enablec = 0x01; // 0x01 doesn't seem to do anything?
|
|
p.capf = 0x5001;
|
|
p.capg = 0x0190;
|
|
|
|
|
|
|
|
SEQBUFENTRY s;
|
|
s.seqNum = p.seq;
|
|
s.timeSent = QTime::currentTime();
|
|
s.retransmitCount = 0;
|
|
s.data = QByteArray::fromRawData((const char*)p.packet, sizeof(p));
|
|
c->txMutex.lock();
|
|
if (c->txSeqBuf.size() > 400)
|
|
{
|
|
c->txSeqBuf.remove(0);
|
|
}
|
|
c->txSeqBuf.insert(p.seq, s);
|
|
c->txSeq++;
|
|
c->txMutex.unlock();
|
|
|
|
udpMutex.lock();
|
|
c->socket->writeDatagram(QByteArray::fromRawData((const char*)p.packet, sizeof(p)), c->ipAddress, c->port);
|
|
udpMutex.unlock();
|
|
|
|
if (c->idleTimer != Q_NULLPTR)
|
|
c->idleTimer->start(100);
|
|
|
|
return;
|
|
}
|
|
|
|
// When client has requested civ/audio connection, this will contain their details
|
|
// Also used to display currently connected used information.
|
|
void udpServer::sendConnectionInfo(CLIENT* c)
|
|
{
|
|
qInfo(logUdpServer()) << c->ipAddress.toString() << "(" << c->type << "): Sending ConnectionInfo :" << c->txSeq;
|
|
conninfo_packet p;
|
|
memset(p.packet, 0x0, sizeof(p));
|
|
p.len = sizeof(p);
|
|
p.type = 0x00;
|
|
p.seq = c->txSeq;
|
|
p.sentid = c->myId;
|
|
p.rcvdid = c->remoteId;
|
|
//p.innerseq = c->authInnerSeq; // Innerseq not used in user packet
|
|
p.tokrequest = c->tokenRx;
|
|
p.token = c->tokenTx;
|
|
p.code = 0x0380;
|
|
p.commoncap = c->commonCap;
|
|
p.identa = c->identa;
|
|
p.identb = c->identb;
|
|
|
|
// 0x1a-0x1f is authid (random number?
|
|
// memcpy(p + 0x40, QByteArrayLiteral("IC-7851").constData(), 7);
|
|
|
|
memcpy(p.packet + 0x40, rigCaps.modelName.toLocal8Bit(), rigCaps.modelName.length());
|
|
|
|
// This is the current streaming client (should we support multiple clients?)
|
|
if (c->isStreaming) {
|
|
p.busy = 0x01;
|
|
memcpy(p.computer, c->clientName.constData(), c->clientName.length());
|
|
p.ipaddress = qToBigEndian(c->ipAddress.toIPv4Address());
|
|
p.identa = c->identa;
|
|
p.identb = c->identb;
|
|
}
|
|
|
|
|
|
SEQBUFENTRY s;
|
|
s.seqNum = p.seq;
|
|
s.timeSent = QTime::currentTime();
|
|
s.retransmitCount = 0;
|
|
s.data = QByteArray::fromRawData((const char*)p.packet, sizeof(p));
|
|
|
|
c->txMutex.lock();
|
|
if (c->txSeqBuf.size() > 400)
|
|
{
|
|
c->txSeqBuf.remove(0);
|
|
}
|
|
c->txSeqBuf.insert(p.seq, s);
|
|
c->txSeq++;
|
|
c->txMutex.unlock();
|
|
|
|
udpMutex.lock();
|
|
c->socket->writeDatagram(QByteArray::fromRawData((const char*)p.packet, sizeof(p)), c->ipAddress, c->port);
|
|
udpMutex.unlock();
|
|
|
|
if (c->idleTimer != Q_NULLPTR)
|
|
c->idleTimer->start(100);
|
|
|
|
return;
|
|
}
|
|
|
|
void udpServer::sendTokenResponse(CLIENT* c, quint8 type)
|
|
{
|
|
qInfo(logUdpServer()) << c->ipAddress.toString() << "(" << c->type << "): Sending Token response for type: " << type;
|
|
|
|
token_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.seq = c->txSeq;
|
|
p.sentid = c->myId;
|
|
p.rcvdid = c->remoteId;
|
|
p.innerseq = c->authInnerSeq;
|
|
p.tokrequest = c->tokenRx;
|
|
p.token = c->tokenTx;
|
|
p.code = 0x0230;
|
|
p.identa = c->identa;
|
|
p.identb = c->identb;
|
|
p.commoncap = c->commonCap;
|
|
p.res = type;
|
|
|
|
|
|
SEQBUFENTRY s;
|
|
s.seqNum = p.seq;
|
|
s.timeSent = QTime::currentTime();
|
|
s.retransmitCount = 0;
|
|
s.data = QByteArray::fromRawData((const char*)p.packet, sizeof(p));
|
|
|
|
c->txMutex.lock();
|
|
if (c->txSeqBuf.size() > 400)
|
|
{
|
|
c->txSeqBuf.remove(0);
|
|
}
|
|
c->txSeqBuf.insert(p.seq, s);
|
|
c->txSeq++;
|
|
c->txMutex.unlock();
|
|
|
|
udpMutex.lock();
|
|
c->socket->writeDatagram(QByteArray::fromRawData((const char*)p.packet, sizeof(p)), c->ipAddress, c->port);
|
|
udpMutex.unlock();
|
|
|
|
|
|
if (c->idleTimer != Q_NULLPTR)
|
|
c->idleTimer->start(100);
|
|
|
|
return;
|
|
}
|
|
|
|
#define PURGE_SECONDS 60
|
|
|
|
void udpServer::watchdog()
|
|
{
|
|
QDateTime now = QDateTime::currentDateTime();
|
|
|
|
foreach(CLIENT * client, audioClients)
|
|
{
|
|
if (client != Q_NULLPTR)
|
|
{
|
|
if (client->lastHeard.secsTo(now) > STALE_CONNECTION)
|
|
{
|
|
qInfo(logUdpServer()) << client->ipAddress.toString() << "(" << client->type << "): Deleting stale connection ";
|
|
deleteConnection(&audioClients, client);
|
|
}
|
|
}
|
|
else {
|
|
qInfo(logUdpServer()) << "Current client is NULL!";
|
|
}
|
|
}
|
|
|
|
foreach(CLIENT* client, civClients)
|
|
{
|
|
if (client != Q_NULLPTR)
|
|
{
|
|
if (client->lastHeard.secsTo(now) > STALE_CONNECTION)
|
|
{
|
|
qInfo(logUdpServer()) << client->ipAddress.toString() << "(" << client->type << "): Deleting stale connection ";
|
|
deleteConnection(&civClients, client);
|
|
}
|
|
}
|
|
else {
|
|
qInfo(logUdpServer()) << "Current client is NULL!";
|
|
}
|
|
}
|
|
|
|
foreach(CLIENT* client, controlClients)
|
|
{
|
|
if (client != Q_NULLPTR)
|
|
{
|
|
if (client->lastHeard.secsTo(now) > STALE_CONNECTION)
|
|
{
|
|
qInfo(logUdpServer()) << client->ipAddress.toString() << "(" << client->type << "): Deleting stale connection ";
|
|
deleteConnection(&controlClients, client);
|
|
}
|
|
}
|
|
else {
|
|
qInfo(logUdpServer()) << "Current client is NULL!";
|
|
}
|
|
}
|
|
|
|
emit haveNetworkStatus(QString("<pre>Server connections: Control:%1 CI-V:%2 Audio:%3</pre>").arg(controlClients.size()).arg(civClients.size()).arg(audioClients.size()));
|
|
}
|
|
|
|
void udpServer::sendStatus(CLIENT* c)
|
|
{
|
|
|
|
qInfo(logUdpServer()) << c->ipAddress.toString() << "(" << c->type << "): Sending Status";
|
|
|
|
status_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.seq = c->txSeq;
|
|
p.sentid = c->myId;
|
|
p.rcvdid = c->remoteId;
|
|
p.innerseq = c->authInnerSeq;
|
|
p.tokrequest = c->tokenRx;
|
|
p.token = c->tokenTx;
|
|
p.code = 0x0240;
|
|
p.res = 0x03;
|
|
p.unknown = 0x1000;
|
|
p.unusede = (char)0x80;
|
|
p.identa = c->identa;
|
|
p.identb = c->identb;
|
|
|
|
p.civport = qToBigEndian(c->civPort);
|
|
p.audioport = qToBigEndian(c->audioPort);
|
|
|
|
// Send this to reject the request to tx/rx audio/civ
|
|
//memcpy(p + 0x30, QByteArrayLiteral("\xff\xff\xff\xfe").constData(), 4);
|
|
|
|
SEQBUFENTRY s;
|
|
s.seqNum = p.seq;
|
|
s.timeSent = QTime::currentTime();
|
|
s.retransmitCount = 0;
|
|
s.data = QByteArray::fromRawData((const char*)p.packet, sizeof(p));
|
|
c->txMutex.lock();
|
|
if (c->txSeqBuf.size() > 400)
|
|
{
|
|
c->txSeqBuf.remove(0);
|
|
}
|
|
c->txSeq++;
|
|
c->txSeqBuf.insert(p.seq, s);
|
|
c->txMutex.unlock();
|
|
|
|
udpMutex.lock();
|
|
c->socket->writeDatagram(QByteArray::fromRawData((const char*)p.packet, sizeof(p)), c->ipAddress, c->port);
|
|
udpMutex.unlock();
|
|
|
|
}
|
|
|
|
|
|
void udpServer::dataForServer(QByteArray d)
|
|
{
|
|
|
|
//qInfo(logUdpServer()) << "Server got:" << d;
|
|
foreach(CLIENT * client, civClients)
|
|
{
|
|
int lastFE = d.lastIndexOf((quint8)0xfe);
|
|
if (client != Q_NULLPTR && client->connected && d.length() > lastFE + 2 &&
|
|
((quint8)d[lastFE + 1] == client->civId || (quint8)d[lastFE + 2] == client->civId ||
|
|
(quint8)d[lastFE + 1] == 0x00 || (quint8)d[lastFE + 2]==0x00 || (quint8)d[lastFE + 1] == 0xE1 || (quint8)d[lastFE + 2] == 0xE1)) {
|
|
data_packet p;
|
|
memset(p.packet, 0x0, sizeof(p)); // We can't be sure it is initialized with 0x00!
|
|
p.len = (quint16)d.length() + sizeof(p);
|
|
p.seq = client->txSeq;
|
|
p.sentid = client->myId;
|
|
p.rcvdid = client->remoteId;
|
|
p.reply = (char)0xc1;
|
|
p.datalen = (quint16)d.length();
|
|
p.sendseq = client->innerSeq;
|
|
QByteArray t = QByteArray::fromRawData((const char*)p.packet, sizeof(p));
|
|
t.append(d);
|
|
|
|
SEQBUFENTRY s;
|
|
s.seqNum = p.seq;
|
|
s.timeSent = QTime::currentTime();
|
|
s.retransmitCount = 0;
|
|
s.data = t;
|
|
|
|
client->txMutex.lock();
|
|
if (client->txSeqBuf.size() > 400)
|
|
{
|
|
client->txSeqBuf.remove(0);
|
|
}
|
|
client->txSeqBuf.insert(p.seq, s);
|
|
client->txSeq++;
|
|
client->innerSeq++;
|
|
client->txMutex.unlock();
|
|
|
|
udpMutex.lock();
|
|
client->socket->writeDatagram(t, client->ipAddress, client->port);
|
|
udpMutex.unlock();
|
|
} else {
|
|
qInfo(logUdpServer()) << "Got data for different ID" << hex << (quint8)d[lastFE+1] << ":" << hex << (quint8)d[lastFE+2];
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
void udpServer::sendRxAudio()
|
|
{
|
|
QByteArray audio;
|
|
if (rxaudio) {
|
|
audio.clear();
|
|
rxaudio->getNextAudioChunk(audio);
|
|
int len = 0;
|
|
while (len < audio.length()) {
|
|
audioPacket partial;
|
|
partial.data = audio.mid(len, 1364);
|
|
receiveAudioData(partial);
|
|
len = len + partial.data.length();
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void udpServer::receiveAudioData(const audioPacket& d)
|
|
{
|
|
//qInfo(logUdpServer()) << "Server got:" << d.data.length();
|
|
foreach(CLIENT * client, audioClients)
|
|
{
|
|
if (client != Q_NULLPTR && client->connected) {
|
|
audio_packet p;
|
|
memset(p.packet, 0x0, sizeof(p)); // We can't be sure it is initialized with 0x00!
|
|
p.len = sizeof(p) + d.data.length();
|
|
p.sentid = client->myId;
|
|
p.rcvdid = client->remoteId;
|
|
p.ident = 0x0080; // audio is always this?
|
|
p.datalen = (quint16)qToBigEndian((quint16)d.data.length());
|
|
p.sendseq = (quint16)qToBigEndian((quint16)client->sendAudioSeq); // THIS IS BIG ENDIAN!
|
|
p.seq = client->txSeq;
|
|
QByteArray t = QByteArray::fromRawData((const char*)p.packet, sizeof(p));
|
|
t.append(d.data);
|
|
|
|
SEQBUFENTRY s;
|
|
s.seqNum = p.seq;
|
|
s.timeSent = QTime::currentTime();
|
|
s.retransmitCount = 0;
|
|
s.data = t;
|
|
client->txMutex.lock();
|
|
if (client->txSeqBuf.size() > 400)
|
|
{
|
|
client->txSeqBuf.remove(0);
|
|
}
|
|
client->txSeqBuf.insert(p.seq, s);
|
|
client->txSeq++;
|
|
client->sendAudioSeq++;
|
|
client->txMutex.unlock();
|
|
|
|
udpMutex.lock();
|
|
client->socket->writeDatagram(t, client->ipAddress, client->port);
|
|
udpMutex.unlock();
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
/// <summary>
|
|
/// 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.
|
|
/// </summary>
|
|
/// <param name="c"></param>
|
|
void udpServer::sendRetransmitRequest(CLIENT* c)
|
|
{
|
|
// 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;
|
|
|
|
|
|
if (!c->rxSeqBuf.empty() && c->rxSeqBuf.size() <= c->rxSeqBuf.lastKey() - c->rxSeqBuf.firstKey())
|
|
{
|
|
if ((c->rxSeqBuf.lastKey() - c->rxSeqBuf.firstKey() - c->rxSeqBuf.size()) > 20)
|
|
{
|
|
// Too many packets to process, flush buffers and start again!
|
|
qDebug(logUdp()) << "Too many missing packets, flushing buffer: " << c->rxSeqBuf.lastKey() << "missing=" << c->rxSeqBuf.lastKey() - c->rxSeqBuf.firstKey() - c->rxSeqBuf.size() + 1;
|
|
c->missMutex.lock();
|
|
c->rxMissing.clear();
|
|
c->missMutex.unlock();
|
|
|
|
c->rxMutex.lock();
|
|
c->rxSeqBuf.clear();
|
|
c->rxMutex.unlock();
|
|
}
|
|
else {
|
|
// We have at least 1 missing packet!
|
|
qDebug(logUdp()) << "Missing Seq: size=" << c->rxSeqBuf.size() << "firstKey=" << c->rxSeqBuf.firstKey() << "lastKey=" << c->rxSeqBuf.lastKey() << "missing=" << c->rxSeqBuf.lastKey() - c->rxSeqBuf.firstKey() - c->rxSeqBuf.size() + 1;
|
|
// We are missing packets so iterate through the buffer and add the missing ones to missing packet list
|
|
for (int i = 0; i < c->rxSeqBuf.keys().length() - 1; i++) {
|
|
for (quint16 j = c->rxSeqBuf.keys()[i] + 1; j < c->rxSeqBuf.keys()[i + 1]; j++) {
|
|
auto s = c->rxMissing.find(j);
|
|
if (s == c->rxMissing.end())
|
|
{
|
|
// We haven't seen this missing packet before
|
|
qDebug(logUdp()) << this->metaObject()->className() << ": Adding to missing buffer (len=" << c->rxMissing.size() << "): " << j;
|
|
|
|
c->missMutex.lock();
|
|
c->rxMissing.insert(j, 0);
|
|
c->missMutex.unlock();
|
|
|
|
c->rxMutex.lock();
|
|
if (c->rxSeqBuf.size() > 400)
|
|
{
|
|
c->rxSeqBuf.remove(0);
|
|
}
|
|
c->rxSeqBuf.insert(j, QTime::currentTime()); // Add this missing packet to the rxbuffer as we now long about it.
|
|
c->rxMutex.unlock();
|
|
}
|
|
else {
|
|
if (s.value() == 4)
|
|
{
|
|
// We have tried 4 times to request this packet, time to give up!
|
|
c->missMutex.lock();
|
|
s = c->rxMissing.erase(s);
|
|
c->missMutex.unlock();
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
c->missMutex.lock();
|
|
for (auto it = c->rxMissing.begin(); it != c->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()++;
|
|
}
|
|
}
|
|
c->missMutex.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 = c->myId;
|
|
p.rcvdid = c->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();
|
|
c->socket->writeDatagram(QByteArray::fromRawData((const char*)p.packet, sizeof(p)), c->ipAddress, c->port);
|
|
udpMutex.unlock();
|
|
}
|
|
else
|
|
{
|
|
qDebug(logUdp()) << this->metaObject()->className() << ": sending request for multiple missing packets : " << missingSeqs.toHex();
|
|
|
|
udpMutex.lock();
|
|
missingSeqs.insert(0, p.packet, sizeof(p.packet));
|
|
c->socket->writeDatagram(missingSeqs, c->ipAddress, c->port);
|
|
udpMutex.unlock();
|
|
}
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
/// This function is passed a pointer to the list of connection objects and a pointer to the object itself
|
|
/// Needs to stop and delete all timers, remove the connection from the list and delete the connection.
|
|
/// </summary>
|
|
/// <param name="l"></param>
|
|
/// <param name="c"></param>
|
|
void udpServer::deleteConnection(QList<CLIENT*>* l, CLIENT* c)
|
|
{
|
|
|
|
qInfo(logUdpServer()) << "Deleting" << c->type << "connection to: " << c->ipAddress.toString() << ":" << QString::number(c->port);
|
|
if (c->idleTimer != Q_NULLPTR) {
|
|
c->idleTimer->stop();
|
|
delete c->idleTimer;
|
|
}
|
|
if (c->pingTimer != Q_NULLPTR) {
|
|
c->pingTimer->stop();
|
|
delete c->pingTimer;
|
|
}
|
|
|
|
if (c->retransmitTimer != Q_NULLPTR) {
|
|
c->retransmitTimer->stop();
|
|
delete c->retransmitTimer;
|
|
}
|
|
|
|
c->rxMutex.lock();
|
|
c->rxSeqBuf.clear();
|
|
c->rxMutex.unlock();
|
|
|
|
c->txMutex.lock();
|
|
c->txSeqBuf.clear();
|
|
c->txMutex.unlock();
|
|
|
|
c->missMutex.lock();
|
|
c->rxMissing.clear();
|
|
c->missMutex.unlock();
|
|
|
|
|
|
connMutex.lock();
|
|
QList<CLIENT*>::iterator it = l->begin();
|
|
while (it != l->end()) {
|
|
CLIENT* client = *it;
|
|
if (client != Q_NULLPTR && client == c) {
|
|
qInfo(logUdpServer()) << "Found" << client->type << "connection to: " << client->ipAddress.toString() << ":" << QString::number(client->port);
|
|
it = l->erase(it);
|
|
}
|
|
else {
|
|
++it;
|
|
}
|
|
}
|
|
delete c; // Is this needed or will the erase have done it?
|
|
c = Q_NULLPTR;
|
|
qInfo(logUdpServer()) << "Current Number of clients connected: " << l->length();
|
|
connMutex.unlock();
|
|
|
|
if (l->length() == 0) {
|
|
|
|
if (rxAudioTimer != Q_NULLPTR) {
|
|
rxAudioTimer->stop();
|
|
delete rxAudioTimer;
|
|
rxAudioTimer = Q_NULLPTR;
|
|
}
|
|
|
|
if (rxAudioThread != Q_NULLPTR) {
|
|
rxAudioThread->quit();
|
|
rxAudioThread->wait();
|
|
rxaudio = Q_NULLPTR;
|
|
rxAudioThread = Q_NULLPTR;
|
|
}
|
|
|
|
if (txAudioThread != Q_NULLPTR) {
|
|
txAudioThread->quit();
|
|
txAudioThread->wait();
|
|
txaudio = Q_NULLPTR;
|
|
txAudioThread = Q_NULLPTR;
|
|
}
|
|
|
|
}
|
|
}
|