#include "PSKReporter.hpp" // Interface for posting spots to PSK Reporter web site // Implemented by Edson Pereira PY2SDR // Updated by Bill Somerville, G4WJS // // Reports will be sent in batch mode every 5 minutes. #include #include #include #include #include #include #include #include #include #include #include #include #include #if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0) #include #endif #include #include "Configuration.hpp" #include "pimpl_impl.hpp" #include "moc_PSKReporter.cpp" namespace { constexpr QLatin1String HOST {"report.pskreporter.info"}; // constexpr QLatin1String HOST {"127.0.0.1"}; constexpr quint16 SERVICE_PORT {4739}; // constexpr quint16 SERVICE_PORT {14739}; constexpr int MIN_SEND_INTERVAL {15}; // in seconds constexpr int FLUSH_INTERVAL {4 * 5}; // in send intervals constexpr bool ALIGNMENT_PADDING {true}; constexpr int MIN_PAYLOAD_LENGTH {508}; constexpr int MAX_PAYLOAD_LENGTH {1400}; } class PSKReporter::impl final : public QObject { Q_OBJECT public: impl (PSKReporter * self, Configuration const * config, QString const& program_info) : self_ {self} , config_ {config} , sequence_number_ {0u} , send_descriptors_ {0} , send_receiver_data_ {0} , flush_counter_ {0u} , prog_id_ {program_info} { #if QT_VERSION < QT_VERSION_CHECK(5, 15, 0) observation_id_ = qrand(); #else observation_id_ = QRandomGenerator::global ()->generate (); #endif // This timer sets the interval to check for spots to send. connect (&report_timer_, &QTimer::timeout, [this] () {send_report ();}); report_timer_.start (MIN_SEND_INTERVAL * 1000); // This timer repeats the sending of IPFIX templates and receiver // information if we are using UDP, in case server has been // restarted ans lost cached information. connect (&descriptor_timer_, &QTimer::timeout, [this] () { if (socket_ && QAbstractSocket::UdpSocket == socket_->socketType ()) { // send templates again send_descriptors_ = 3; // three times // send receiver data set again send_receiver_data_ = 3; // three times } }); descriptor_timer_.start (1 * 60 * 60 * 1000); // hourly } void check_connection () { if (!socket_ || QAbstractSocket::UnconnectedState == socket_->state () || (socket_->socketType () != config_->psk_reporter_tcpip () ? QAbstractSocket::TcpSocket : QAbstractSocket::UdpSocket)) { // we need to create the appropriate socket if (socket_ && QAbstractSocket::UnconnectedState != socket_->state () && QAbstractSocket::ClosingState != socket_->state ()) { // handle re-opening asynchronously auto connection = QSharedPointer::create (); *connection = connect (socket_.get (), &QAbstractSocket::disconnected, [this, connection] () { qDebug () << "PSKReporter::impl::check_connection: disconnected, socket state:" << socket_->state (); disconnect (*connection); check_connection (); }); // close gracefully socket_->close (); } else { reconnect (); } } } void handle_socket_error (QAbstractSocket::SocketError e) { switch (e) { case QAbstractSocket::RemoteHostClosedError: socket_->disconnectFromHost (); break; case QAbstractSocket::TemporaryError: break; default: spots_.clear (); qDebug () << "PSKReporter::impl::handle_socket_error:" << socket_->errorString (); Q_EMIT self_->errorOccurred (socket_->errorString ()); break; } } void reconnect () { // Using deleteLater for the deleter as we may eventually // be called from the disconnected handler above. if (config_->psk_reporter_tcpip ()) { socket_.reset (new QTcpSocket, &QObject::deleteLater); send_descriptors_ = 1; send_receiver_data_ = 1; } else { socket_.reset (new QUdpSocket, &QObject::deleteLater); send_descriptors_ = 3; send_receiver_data_ = 3; } #if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0) connect (socket_.get (), &QAbstractSocket::errorOccurred, this, &PSKReporter::impl::handle_socket_error); #else connect (socket_.get (), QOverload::of (&QAbstractSocket::error), this, &PSKReporter::impl::handle_socket_error); #endif // use this for pseudo connection with UDP, allows us to use // QIODevice::write() instead of QUDPSocket::writeDatagram() socket_->connectToHost (HOST, SERVICE_PORT, QAbstractSocket::WriteOnly); } void send_report (bool send_residue = false); void build_preamble (QDataStream&); bool flushing () { return FLUSH_INTERVAL && !(++flush_counter_ % FLUSH_INTERVAL); } PSKReporter * self_; Configuration const * config_; QSharedPointer socket_; int dns_lookup_id_; QByteArray payload_; quint32 sequence_number_; int send_descriptors_; // Currently PSK Reporter requires that a receiver data set is sent // in every data flow. This memeber variable can be used to only // send that information at session start (3 times for UDP), when it // changes (3 times for UDP), or once per hour (3 times) if using // UDP. Uncomment the relevant code to enable that fuctionality. int send_receiver_data_; unsigned flush_counter_; quint32 observation_id_; QString rx_call_; QString rx_grid_; QString rx_ant_; QString prog_id_; QByteArray tx_data_; QByteArray tx_residue_; struct Spot { bool operator == (Spot const& rhs) { return call_ == rhs.call_ && grid_ == rhs.grid_ && mode_ == rhs.mode_ && std::abs (Radio::FrequencyDelta (freq_ - rhs.freq_)) < 50; } QString call_; QString grid_; int snr_; Radio::Frequency freq_; QString mode_; QDateTime time_; }; QQueue spots_; QTimer report_timer_; QTimer descriptor_timer_; }; #include "PSKReporter.moc" namespace { void writeUtfString (QDataStream& out, QString const& s) { auto const& utf = s.toUtf8 ().left (254); out << quint8 (utf.size ()); out.writeRawData (utf, utf.size ()); } constexpr int num_pad_bytes (int len) { return ALIGNMENT_PADDING ? (4 - len % 4) % 4 : 0; } void set_length (QDataStream& out, QByteArray& b) { // pad with nulls modulo 4 auto pad_len = num_pad_bytes (b.size ()); out.writeRawData (QByteArray {pad_len, '\0'}.constData (), pad_len); auto pos = out.device ()->pos (); out.device ()->seek (sizeof (quint16)); // insert length out << static_cast (b.size ()); out.device ()->seek (pos); } } void PSKReporter::impl::build_preamble (QDataStream& message) { // Message Header message << quint16 (10u) // Version Number << quint16 (0u) // Length (place-holder filled in later) << quint32 (0u) // Export Time (place-holder filled in later) << ++sequence_number_ // Sequence Number << observation_id_; // Observation Domain ID // qDebug () << "PSKReporter::impl::build_preamble: send_descriptors_:" << send_descriptors_; if (send_descriptors_) { --send_descriptors_; { // Sender Information descriptor QByteArray descriptor; QDataStream out {&descriptor, QIODevice::WriteOnly}; out << quint16 (2u) // Template Set ID << quint16 (0u) // Length (place-holder) << quint16 (0x50e3) // Link ID << quint16 (7u) // Field Count << quint16 (0x8000 + 1u) // Option 1 Information Element ID (senderCallsign) << quint16 (0xffff) // Option 1 Field Length (variable) << quint32 (30351u) // Option 1 Enterprise Number << quint16 (0x8000 + 5u) // Option 2 Information Element ID (frequency) << quint16 (4u) // Option 2 Field Length << quint32 (30351u) // Option 2 Enterprise Number << quint16 (0x8000 + 6u) // Option 3 Information Element ID (sNR) << quint16 (1u) // Option 3 Field Length << quint32 (30351u) // Option 3 Enterprise Number << quint16 (0x8000 + 10u) // Option 4 Information Element ID (mode) << quint16 (0xffff) // Option 4 Field Length (variable) << quint32 (30351u) // Option 4 Enterprise Number << quint16 (0x8000 + 3u) // Option 5 Information Element ID (senderLocator) << quint16 (0xffff) // Option 5 Field Length (variable) << quint32 (30351u) // Option 5 Enterprise Number << quint16 (0x8000 + 11u) // Option 6 Information Element ID (informationSource) << quint16 (1u) // Option 6 Field Length << quint32 (30351u) // Option 6 Enterprise Number << quint16 (150u) // Option 7 Information Element ID (dateTimeSeconds) << quint16 (4u); // Option 7 Field Length // insert Length and move to payload set_length (out, descriptor); message.writeRawData (descriptor.constData (), descriptor.size ()); } { // Receiver Information descriptor QByteArray descriptor; QDataStream out {&descriptor, QIODevice::WriteOnly}; out << quint16 (3u) // Options Template Set ID << quint16 (0u) // Length (place-holder) << quint16 (0x50e2) // Link ID << quint16 (4u) // Field Count << quint16 (0u) // Scope Field Count << quint16 (0x8000 + 2u) // Option 1 Information Element ID (receiverCallsign) << quint16 (0xffff) // Option 1 Field Length (variable) << quint32 (30351u) // Option 1 Enterprise Number << quint16 (0x8000 + 4u) // Option 2 Information Element ID (receiverLocator) << quint16 (0xffff) // Option 2 Field Length (variable) << quint32 (30351u) // Option 2 Enterprise Number << quint16 (0x8000 + 8u) // Option 3 Information Element ID (decodingSoftware) << quint16 (0xffff) // Option 3 Field Length (variable) << quint32 (30351u) // Option 3 Enterprise Number << quint16 (0x8000 + 9u) // Option 4 Information Element ID (antennaInformation) << quint16 (0xffff) // Option 4 Field Length (variable) << quint32 (30351u); // Option 4 Enterprise Number // insert Length set_length (out, descriptor); message.writeRawData (descriptor.constData (), descriptor.size ()); } } // qDebug () << "PSKReporter::impl::build_preamble: send_receiver_data_:" << send_receiver_data_; // if (send_receiver_data_) { // --send_receiver_data_; // Receiver information QByteArray data; QDataStream out {&data, QIODevice::WriteOnly}; // Set Header out << quint16 (0x50e2) // Template ID << quint16 (0u); // Length (place-holder) // Set data writeUtfString (out, rx_call_); writeUtfString (out, rx_grid_); writeUtfString (out, prog_id_); writeUtfString (out, rx_ant_); // insert Length and move to payload set_length (out, data); message.writeRawData (data.constData (), data.size ()); } } void PSKReporter::impl::send_report (bool send_residue) { check_connection (); // qDebug () << "PSKReporter::impl::send_report: send_residue:" << send_residue; if (QAbstractSocket::ConnectedState != socket_->state ()) return; QDataStream message {&payload_, QIODevice::WriteOnly | QIODevice::Append}; QDataStream tx_out {&tx_data_, QIODevice::WriteOnly | QIODevice::Append}; if (!payload_.size ()) { // qDebug () << "PSKReporter::impl::send_report: building header"; // Build header, optional descriptors, and receiver information build_preamble (message); } auto flush = flushing () || send_residue; // qDebug () << "PSKReporter::impl::send_report: flush:" << flush; while (spots_.size () || flush) { if (!payload_.size ()) { // Build header, optional descriptors, and receiver information build_preamble (message); } if (!tx_data_.size () && (spots_.size () || tx_residue_.size ())) { // Set Header tx_out << quint16 (0x50e3) // Template ID << quint16 (0u); // Length (place-holder) // qDebug () << "PSKReporter::impl::send_report: set data set header"; } // insert any residue if (tx_residue_.size ()) { tx_out.writeRawData (tx_residue_.constData (), tx_residue_.size ()); tx_residue_.clear (); // qDebug () << "PSKReporter::impl::send_report: inserted data residue"; } while (spots_.size () || flush) { auto tx_data_size = tx_data_.size (); if (spots_.size ()) { auto const& spot = spots_.dequeue (); // qDebug () << "PSKReporter::impl::send_report: processing spotted call:" << spot.call_; // Sender information writeUtfString (tx_out, spot.call_); tx_out << static_cast (spot.freq_) << static_cast (spot.snr_); writeUtfString (tx_out, spot.mode_); writeUtfString (tx_out, spot.grid_); tx_out << quint8 (1u) // REPORTER_SOURCE_AUTOMATIC << static_cast (spot.time_.toSecsSinceEpoch ()); } auto len = payload_.size () + tx_data_.size (); len += num_pad_bytes (tx_data_.size ()); len += num_pad_bytes (len); if (len > MAX_PAYLOAD_LENGTH // our upper datagram size limit || (!spots_.size () && len > MIN_PAYLOAD_LENGTH) // spots drained and above lower datagram size limit || (flush && !spots_.size ())) // send what we have, possibly no spots { if (tx_data_.size ()) { if (len <= MAX_PAYLOAD_LENGTH) { tx_data_size = tx_data_.size (); // qDebug () << "PSKReporter::impl::send_report: sending short payload:" << tx_data_size; } QByteArray tx {tx_data_.left (tx_data_size)}; QDataStream out {&tx, QIODevice::WriteOnly | QIODevice::Append}; // insert Length set_length (out, tx); message.writeRawData (tx.constData (), tx.size ()); } // insert Length and Export Time set_length (message, payload_); message.device ()->seek (2 * sizeof (quint16)); message << static_cast (QDateTime::currentDateTime ().toSecsSinceEpoch ()); // Send data to PSK Reporter site socket_->write (payload_); // TODO: handle errors // qDebug () << "PSKReporter::impl::send_report: sent payload:" << payload_.size () << "observation id:" << observation_id_; flush = false; // break loop message.device ()->seek (0u); payload_.clear (); // Fresh message // Save unsent spots tx_residue_ = tx_data_.right (tx_data_.size () - tx_data_size); tx_out.device ()->seek (0u); tx_data_.clear (); // qDebug () << "PSKReporter::impl::send_report: payload sent residue length:" << tx_residue_.size (); break; } } } } PSKReporter::PSKReporter (Configuration const * config, QString const& program_info) : m_ {this, config, program_info} { } PSKReporter::~PSKReporter () { // m_->send_report (true); // send any pending spots } void PSKReporter::reconnect () { m_->reconnect (); } void PSKReporter::setLocalStation (QString const& call, QString const& gridSquare, QString const& antenna) { if (call != m_->rx_call_ || gridSquare != m_->rx_grid_ || antenna != m_->rx_ant_) { m_->send_receiver_data_ = m_->socket_ && QAbstractSocket::UdpSocket == m_->socket_->socketType () ? 3 : 1; m_->rx_call_ = call; m_->rx_grid_ = gridSquare; m_->rx_ant_ = antenna; } } bool PSKReporter::addRemoteStation (QString const& call, QString const& grid, Radio::Frequency freq , QString const& mode, int snr) { if (m_->socket_ && m_->socket_->isValid ()) { if (QAbstractSocket::UnconnectedState == m_->socket_->state ()) { reconnect (); } m_->spots_.enqueue ({call, grid, snr, freq, mode, QDateTime::currentDateTimeUtc ()}); return true; } return false; } void PSKReporter::sendReport () { m_->send_report (true); }