mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-29 19:28:47 -05:00
368 lines
12 KiB
C++
368 lines
12 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) 2020 Jon Beniston, M7RCE //
|
|
// Copyright (C) 2020 Edouard Griffiths, F4EXB //
|
|
// //
|
|
// This program is free software; you can redistribute it and/or modify //
|
|
// it under the terms of the GNU General Public License as published by //
|
|
// the Free Software Foundation as version 3 of the License, or //
|
|
// (at your option) any later version. //
|
|
// //
|
|
// This program is distributed in the hope that it will be useful, //
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
|
|
// GNU General Public License V3 for more details. //
|
|
// //
|
|
// You should have received a copy of the GNU General Public License //
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#include <QDebug>
|
|
#include <QAbstractSocket>
|
|
#include <QTcpServer>
|
|
#include <QTcpSocket>
|
|
#include <QEventLoop>
|
|
#include <QTimer>
|
|
|
|
#include "adsbdemodworker.h"
|
|
#include "adsbdemodreport.h"
|
|
|
|
MESSAGE_CLASS_DEFINITION(ADSBDemodWorker::MsgConfigureADSBDemodWorker, Message)
|
|
|
|
ADSBBeastServer::ADSBBeastServer()
|
|
{
|
|
}
|
|
|
|
void ADSBBeastServer::listen(quint16 port)
|
|
{
|
|
QTcpServer::listen(QHostAddress::Any, port);
|
|
qDebug() << "ADSBBeastServer listening on port " << serverPort();
|
|
}
|
|
|
|
void ADSBBeastServer::incomingConnection(qintptr socket)
|
|
{
|
|
qDebug() << "ADSBBeastServer client connected";
|
|
QTcpSocket *s = new QTcpSocket(this);
|
|
connect(s, &QTcpSocket::readyRead, this, &ADSBBeastServer::readClient);
|
|
connect(s, SIGNAL(disconnected()), this, SLOT(discardClient()));
|
|
s->setSocketDescriptor(socket);
|
|
m_clients.append(s);
|
|
}
|
|
|
|
void ADSBBeastServer::send(const char *data, int length)
|
|
{
|
|
// Send frame to all clients
|
|
for (auto client : m_clients) {
|
|
client->write(data, length);
|
|
}
|
|
}
|
|
|
|
void ADSBBeastServer::close()
|
|
{
|
|
for (auto client : m_clients) {
|
|
client->deleteLater();
|
|
}
|
|
m_clients.clear();
|
|
QTcpServer::close();
|
|
}
|
|
|
|
void ADSBBeastServer::readClient()
|
|
{
|
|
QTcpSocket *socket = (QTcpSocket *)sender();
|
|
socket->readAll();
|
|
}
|
|
|
|
void ADSBBeastServer::discardClient()
|
|
{
|
|
qDebug() << "ADSBBeastServer client disconnected";
|
|
QTcpSocket *socket = (QTcpSocket*)sender();
|
|
socket->deleteLater();
|
|
m_clients.removeAll(socket);
|
|
}
|
|
|
|
ADSBDemodWorker::ADSBDemodWorker() :
|
|
m_running(false)
|
|
{
|
|
connect(&m_heartbeatTimer, SIGNAL(timeout()), this, SLOT(heartbeat()));
|
|
connect(&m_socket, SIGNAL(readyRead()),this, SLOT(recv()));
|
|
connect(&m_socket, SIGNAL(connected()), this, SLOT(connected()));
|
|
connect(&m_socket, SIGNAL(disconnected()), this, SLOT(disconnected()));
|
|
#if QT_VERSION < QT_VERSION_CHECK(5, 15, 0)
|
|
connect(&m_socket, QOverload<QAbstractSocket::SocketError>::of(&QAbstractSocket::error), this, &ADSBDemodWorker::errorOccurred);
|
|
#else
|
|
connect(&m_socket, &QAbstractSocket::errorOccurred, this, &ADSBDemodWorker::errorOccurred);
|
|
#endif
|
|
m_startTime = QDateTime::currentDateTime().toMSecsSinceEpoch();
|
|
m_heartbeatTimer.start(60*1000);
|
|
}
|
|
|
|
ADSBDemodWorker::~ADSBDemodWorker()
|
|
{
|
|
m_inputMessageQueue.clear();
|
|
}
|
|
|
|
void ADSBDemodWorker::reset()
|
|
{
|
|
QMutexLocker mutexLocker(&m_mutex);
|
|
m_inputMessageQueue.clear();
|
|
}
|
|
|
|
bool ADSBDemodWorker::startWork()
|
|
{
|
|
QMutexLocker mutexLocker(&m_mutex);
|
|
|
|
if (m_running) {
|
|
return m_running;
|
|
}
|
|
|
|
connect(&m_inputMessageQueue, SIGNAL(messageEnqueued()), this, SLOT(handleInputMessages()));
|
|
m_running = true;
|
|
return m_running;
|
|
}
|
|
|
|
void ADSBDemodWorker::stopWork()
|
|
{
|
|
QMutexLocker mutexLocker(&m_mutex);
|
|
|
|
if (!m_running) {
|
|
return;
|
|
}
|
|
|
|
disconnect(&m_inputMessageQueue, SIGNAL(messageEnqueued()), this, SLOT(handleInputMessages()));
|
|
m_running = false;
|
|
}
|
|
|
|
void ADSBDemodWorker::handleInputMessages()
|
|
{
|
|
Message* message;
|
|
|
|
while ((message = m_inputMessageQueue.pop()) != nullptr)
|
|
{
|
|
if (handleMessage(*message)) {
|
|
delete message;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool ADSBDemodWorker::handleMessage(const Message& message)
|
|
{
|
|
if (MsgConfigureADSBDemodWorker::match(message))
|
|
{
|
|
QMutexLocker mutexLocker(&m_mutex);
|
|
MsgConfigureADSBDemodWorker& cfg = (MsgConfigureADSBDemodWorker&) message;
|
|
|
|
applySettings(cfg.getSettings(), cfg.getForce());
|
|
return true;
|
|
}
|
|
else if (ADSBDemodReport::MsgReportADSB::match(message))
|
|
{
|
|
ADSBDemodReport::MsgReportADSB& report = (ADSBDemodReport::MsgReportADSB&) message;
|
|
handleADSB(report.getData(), report.getDateTime(), report.getPreambleCorrelation());
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
void ADSBDemodWorker::applySettings(const ADSBDemodSettings& settings, bool force)
|
|
{
|
|
qDebug() << "ADSBDemodWorker::applySettings:"
|
|
<< " m_feedEnabled: " << settings.m_feedEnabled
|
|
<< " m_exportClientEnabled: " << settings.m_exportClientEnabled
|
|
<< " m_exportClientHost: " << settings.m_exportClientHost
|
|
<< " m_exportClientPort: " << settings.m_exportClientPort
|
|
<< " m_exportClientFormat: " << settings.m_exportClientFormat
|
|
<< " m_exportServerEnabled: " << settings.m_exportServerEnabled
|
|
<< " m_exportServerPort: " << settings.m_exportServerPort
|
|
<< " m_logEnabled: " << settings.m_logEnabled
|
|
<< " m_logFilename: " << settings.m_logFilename
|
|
<< " force: " << force;
|
|
|
|
if ((settings.m_feedEnabled != m_settings.m_feedEnabled)
|
|
|| (settings.m_exportClientEnabled != m_settings.m_exportClientEnabled)
|
|
|| (settings.m_exportClientHost != m_settings.m_exportClientHost)
|
|
|| (settings.m_exportClientPort != m_settings.m_exportClientPort)
|
|
|| force)
|
|
{
|
|
// Close any existing connection
|
|
if (m_socket.isOpen()) {
|
|
m_socket.close();
|
|
}
|
|
// Open connection
|
|
if (settings.m_feedEnabled && settings.m_exportClientEnabled) {
|
|
m_socket.connectToHost(settings.m_exportClientHost, settings.m_exportClientPort);
|
|
}
|
|
}
|
|
|
|
if ((settings.m_feedEnabled != m_settings.m_feedEnabled)
|
|
|| (settings.m_exportServerEnabled != m_settings.m_exportServerEnabled)
|
|
|| (settings.m_exportServerPort != m_settings.m_exportServerPort)
|
|
|| force)
|
|
{
|
|
if (m_beastServer.isListening()) {
|
|
m_beastServer.close();
|
|
}
|
|
if (settings.m_feedEnabled && settings.m_exportServerEnabled) {
|
|
m_beastServer.listen(settings.m_exportServerPort);
|
|
}
|
|
}
|
|
|
|
if ((settings.m_logEnabled != m_settings.m_logEnabled)
|
|
|| (settings.m_logFilename != m_settings.m_logFilename)
|
|
|| force)
|
|
{
|
|
if (m_logFile.isOpen())
|
|
{
|
|
m_logStream.flush();
|
|
m_logFile.close();
|
|
}
|
|
if (settings.m_logEnabled && !settings.m_logFilename.isEmpty())
|
|
{
|
|
m_logFile.setFileName(settings.m_logFilename);
|
|
if (m_logFile.open(QIODevice::WriteOnly | QIODevice::Append | QIODevice::Text))
|
|
{
|
|
qDebug() << "ADSBDemodWorker::applySettings - Logging to: " << settings.m_logFilename;
|
|
bool newFile = m_logFile.size() == 0;
|
|
m_logStream.setDevice(&m_logFile);
|
|
if (newFile)
|
|
{
|
|
// Write header
|
|
m_logStream << "Date,Time,Data,Correlation\n";
|
|
}
|
|
}
|
|
else
|
|
{
|
|
qDebug() << "ADSBDemodWorker::applySettings - Unable to open log file: " << settings.m_logFilename;
|
|
}
|
|
}
|
|
}
|
|
|
|
m_settings = settings;
|
|
}
|
|
|
|
void ADSBDemodWorker::connected()
|
|
{
|
|
qDebug() << "ADSBDemodWorker::connected " << m_settings.m_exportClientHost;
|
|
}
|
|
|
|
void ADSBDemodWorker::disconnected()
|
|
{
|
|
qDebug() << "ADSBDemodWorker::disconnected";
|
|
}
|
|
|
|
void ADSBDemodWorker::errorOccurred(QAbstractSocket::SocketError socketError)
|
|
{
|
|
qDebug() << "ADSBDemodWorker::errorOccurred: " << socketError;
|
|
}
|
|
|
|
void ADSBDemodWorker::recv()
|
|
{
|
|
// Not expecting to receiving anything from server
|
|
qDebug() << "ADSBDemodWorker::recv";
|
|
qDebug() << m_socket.readAll();
|
|
}
|
|
|
|
void ADSBDemodWorker::send(const char *data, int length)
|
|
{
|
|
if (m_settings.m_feedEnabled && m_settings.m_exportClientEnabled)
|
|
{
|
|
// Reopen connection if it was lost
|
|
if (!m_socket.isOpen()) {
|
|
m_socket.connectToHost(m_settings.m_exportClientHost, m_settings.m_exportClientPort);
|
|
}
|
|
// Send data
|
|
m_socket.write(data, length);
|
|
}
|
|
}
|
|
|
|
#define BEAST_ESC 0x1a
|
|
|
|
char *ADSBDemodWorker::escape(char *p, char c)
|
|
{
|
|
*p++ = c;
|
|
if (c == BEAST_ESC) {
|
|
*p++ = BEAST_ESC;
|
|
}
|
|
return p;
|
|
}
|
|
|
|
// Forward ADS-B data in Beast binary format to specified server
|
|
// See: https://wiki.jetvision.de/wiki/Mode-S_Beast:Data_Output_Formats
|
|
// Log to .csv file
|
|
void ADSBDemodWorker::handleADSB(QByteArray data, const QDateTime dateTime, float correlation)
|
|
{
|
|
if (m_logFile.isOpen()) {
|
|
m_logStream << dateTime.date().toString() << "," << dateTime.time().toString() << "," << data.toHex() << "," << correlation << "\n";
|
|
}
|
|
|
|
if (m_settings.m_feedEnabled && (m_settings.m_exportClientEnabled || m_settings.m_exportServerEnabled))
|
|
{
|
|
if ((m_settings.m_exportClientEnabled && (m_settings.m_exportClientFormat == ADSBDemodSettings::BeastBinary))
|
|
|| m_settings.m_exportServerEnabled)
|
|
{
|
|
char beastBinary[2+6*2+1*2+14*2];
|
|
int length;
|
|
char *p = beastBinary;
|
|
qint64 timestamp;
|
|
unsigned char signalStrength;
|
|
|
|
// Timestamp seems to be 12MHz ticks since device started
|
|
timestamp = (dateTime.toMSecsSinceEpoch() - m_startTime) * 12000;
|
|
|
|
if (correlation > 255) {
|
|
signalStrength = 255;
|
|
} else if (correlation < 1) {
|
|
signalStrength = 1;
|
|
} else {
|
|
signalStrength = (unsigned char)correlation;
|
|
}
|
|
|
|
*p++ = BEAST_ESC;
|
|
*p++ = '3'; // Mode-S long
|
|
|
|
p = escape(p, timestamp >> 48); // Big-endian timestamp
|
|
p = escape(p, timestamp >> 32);
|
|
p = escape(p, timestamp >> 24);
|
|
p = escape(p, timestamp >> 16);
|
|
p = escape(p, timestamp >> 8);
|
|
p = escape(p, timestamp);
|
|
|
|
p = escape(p, signalStrength); // Signal strength
|
|
|
|
for (int i = 0; i < data.length(); i++) { // ADS-B data
|
|
p = escape(p, data[i]);
|
|
}
|
|
|
|
length = p - beastBinary;
|
|
|
|
if ((m_settings.m_exportClientEnabled) && (m_settings.m_exportClientFormat == ADSBDemodSettings::BeastBinary)) {
|
|
send(beastBinary, length);
|
|
}
|
|
if (m_settings.m_exportServerEnabled) {
|
|
m_beastServer.send(beastBinary, length);
|
|
}
|
|
}
|
|
if (m_settings.m_exportClientEnabled && (m_settings.m_exportClientFormat == ADSBDemodSettings::BeastHex))
|
|
{
|
|
QString beastHex = "*" + data.toHex() + ";\n";
|
|
send(beastHex.toUtf8(), beastHex.size());
|
|
}
|
|
}
|
|
}
|
|
|
|
// Periodically send heartbeat to keep connection alive
|
|
void ADSBDemodWorker::heartbeat()
|
|
{
|
|
if (m_running)
|
|
{
|
|
const char heartbeat[] = {BEAST_ESC, '1', 0, 0, 0, 0, 0, 0, 0, 0, 0}; // Mode AC packet
|
|
if (m_settings.m_exportClientEnabled) {
|
|
send(heartbeat, sizeof(heartbeat));
|
|
}
|
|
if (m_settings.m_exportServerEnabled) {
|
|
m_beastServer.send(heartbeat, sizeof(heartbeat));
|
|
}
|
|
}
|
|
}
|