mirror of
https://github.com/f4exb/sdrangel.git
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251 lines
9.1 KiB
C++
251 lines
9.1 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2021 Jon Beniston, M7RCE //
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// Copyright (C) 2020 Edouard Griffiths, F4EXB //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#include <QDebug>
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#include <QAbstractSocket>
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#include <QTcpServer>
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#include <QTcpSocket>
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#include "webapi/webapiadapterinterface.h"
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#include "webapi/webapiutils.h"
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#include "maincore.h"
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#include "util/ax25.h"
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#include "util/aprs.h"
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#include "aprs.h"
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#include "aprsworker.h"
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MESSAGE_CLASS_DEFINITION(APRSWorker::MsgConfigureAPRSWorker, Message)
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APRSWorker::APRSWorker(APRS *aprs, WebAPIAdapterInterface *webAPIAdapterInterface) :
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m_aprs(aprs),
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m_webAPIAdapterInterface(webAPIAdapterInterface),
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m_msgQueueToFeature(nullptr),
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m_msgQueueToGUI(nullptr),
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m_socket(this)
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{
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connect(&m_socket, SIGNAL(readyRead()),this, SLOT(recv()));
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connect(&m_socket, SIGNAL(connected()), this, SLOT(connected()));
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connect(&m_socket, SIGNAL(disconnected()), this, SLOT(disconnected()));
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#if QT_VERSION < QT_VERSION_CHECK(5, 15, 0)
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connect(&m_socket, QOverload<QAbstractSocket::SocketError>::of(&QAbstractSocket::error), this, &APRSWorker::errorOccurred);
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#else
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connect(&m_socket, &QAbstractSocket::errorOccurred, this, &APRSWorker::errorOccurred);
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#endif
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}
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APRSWorker::~APRSWorker()
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{
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stopWork();
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m_inputMessageQueue.clear();
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}
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void APRSWorker::startWork()
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{
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qDebug("APRSWorker::startWork");
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QMutexLocker mutexLocker(&m_mutex);
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connect(&m_inputMessageQueue, SIGNAL(messageEnqueued()), this, SLOT(handleInputMessages()));
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// Handle any messages already on the queue
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handleInputMessages();
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}
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void APRSWorker::stopWork()
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{
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qDebug("APRSWorker::stopWork");
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QMutexLocker mutexLocker(&m_mutex);
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// Close any existing connection
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if (m_socket.isOpen()) {
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m_socket.close();
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}
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disconnect(&m_inputMessageQueue, SIGNAL(messageEnqueued()), this, SLOT(handleInputMessages()));
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}
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void APRSWorker::handleInputMessages()
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{
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Message* message;
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while ((message = m_inputMessageQueue.pop()) != nullptr)
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{
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if (handleMessage(*message)) {
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delete message;
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}
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}
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}
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bool APRSWorker::handleMessage(const Message& cmd)
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{
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if (MsgConfigureAPRSWorker::match(cmd))
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{
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QMutexLocker mutexLocker(&m_mutex);
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MsgConfigureAPRSWorker& cfg = (MsgConfigureAPRSWorker&) cmd;
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applySettings(cfg.getSettings(), cfg.getForce());
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return true;
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}
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else if (MainCore::MsgPacket::match(cmd))
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{
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MainCore::MsgPacket& report = (MainCore::MsgPacket&) cmd;
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AX25Packet ax25;
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APRSPacket *aprs = new APRSPacket();
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if (ax25.decode(report.getPacket()))
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{
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if (aprs->decode(ax25))
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{
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// See: http://www.aprs-is.net/IGateDetails.aspx for gating rules
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if (!aprs->m_via.contains("TCPIP")
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&& !aprs->m_via.contains("TCPXX")
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&& !aprs->m_via.contains("NOGATE")
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&& !aprs->m_via.contains("RFONLY"))
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{
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aprs->m_dateTime = report.getDateTime();
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QString igateMsg = aprs->toTNC2(m_settings.m_igateCallsign);
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send(igateMsg.toUtf8(), igateMsg.length());
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}
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}
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}
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return true;
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}
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else
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{
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return false;
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}
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}
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void APRSWorker::applySettings(const APRSSettings& settings, bool force)
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{
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qDebug() << "APRSWorker::applySettings:"
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<< " m_igateEnabled: " << settings.m_igateEnabled
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<< " m_igateServer: " << settings.m_igateServer
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<< " m_igatePort: " << settings.m_igatePort
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<< " m_igateCallsign: " << settings.m_igateCallsign
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<< " m_igateFilter: " << settings.m_igateFilter
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<< " force: " << force;
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if ((settings.m_igateEnabled != m_settings.m_igateEnabled)
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|| (settings.m_igateServer != m_settings.m_igateServer)
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|| (settings.m_igatePort != m_settings.m_igatePort)
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|| (settings.m_igateFilter != m_settings.m_igateFilter)
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|| force)
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{
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// Close any existing connection
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if (m_socket.isOpen())
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m_socket.close();
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// Open connection
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if (settings.m_igateEnabled)
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{
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if (settings.m_igateServer.isEmpty())
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{
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if (m_msgQueueToFeature)
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m_msgQueueToFeature->push(APRS::MsgReportWorker::create("IGate server name must be specified"));
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}
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else if (settings.m_igateCallsign.isEmpty())
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{
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if (m_msgQueueToFeature)
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m_msgQueueToFeature->push(APRS::MsgReportWorker::create("IGate callsign must be specified"));
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}
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else if (settings.m_igatePasscode.isEmpty())
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{
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if (m_msgQueueToFeature)
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m_msgQueueToFeature->push(APRS::MsgReportWorker::create("IGate passcode must be specified"));
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}
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else
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{
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qDebug() << "APRSWorker::applySettings: Connecting to " << settings.m_igateServer << ":" << settings.m_igatePort;
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m_socket.setSocketOption(QAbstractSocket::LowDelayOption, 1);
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m_socket.connectToHost(settings.m_igateServer, settings.m_igatePort);
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}
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}
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}
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m_settings = settings;
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}
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void APRSWorker::connected()
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{
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qDebug() << "APRSWorker::connected " << m_settings.m_igateServer;
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m_loggedIn = false;
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}
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void APRSWorker::disconnected()
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{
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qDebug() << "APRSWorker::disconnected";
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if (m_msgQueueToFeature)
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m_msgQueueToFeature->push(APRS::MsgReportWorker::create("Disconnected"));
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}
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void APRSWorker::errorOccurred(QAbstractSocket::SocketError socketError)
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{
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qDebug() << "APRSWorker::errorOccurred: " << socketError;
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if (m_msgQueueToFeature)
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m_msgQueueToFeature->push(APRS::MsgReportWorker::create(m_socket.errorString()));
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}
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void APRSWorker::recv()
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{
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char buffer[2048];
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while (m_socket.readLine(buffer, sizeof(buffer)) > 0)
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{
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QString packet(buffer);
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qDebug() << "APRSWorker::recv: " << packet;
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if (packet.startsWith("#"))
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{
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if (!m_loggedIn)
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{
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// Log in with callsign and passcode
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QString login = QString("user %1 pass %2 vers SDRangel 6.4.0%3\r\n").arg(m_settings.m_igateCallsign).arg(m_settings.m_igatePasscode).arg(m_settings.m_igateFilter.isEmpty() ? "" : QString(" filter %1").arg(m_settings.m_igateFilter));
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send(login.toLatin1(), login.length());
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m_loggedIn = true;
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if (m_msgQueueToFeature)
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m_msgQueueToFeature->push(APRS::MsgReportWorker::create("Connected"));
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}
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else if (packet.indexOf(QString("logresp %1 unverified").arg(m_settings.m_igateCallsign)) >= 0)
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{
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if (m_msgQueueToFeature)
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m_msgQueueToFeature->push(APRS::MsgReportWorker::create("Invalid IGate callsign or passcode"));
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}
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}
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else if (packet.length() > 0)
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{
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// Forward to GUI
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if (getMessageQueueToGUI())
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{
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// Convert TNC2 to AX25 raw bytes
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QByteArray ax25Packet = APRSPacket::toByteArray(packet);
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getMessageQueueToGUI()->push(MainCore::MsgPacket::create(m_aprs, ax25Packet, QDateTime::currentDateTime()));
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}
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}
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}
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}
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void APRSWorker::send(const char *data, int length)
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{
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if (m_settings.m_igateEnabled)
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{
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// Reopen connection if it was lost
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if (!m_socket.isOpen())
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{
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qDebug() << "APRSWorker::send: Reconnecting to " << m_settings.m_igateServer << ":" << m_settings.m_igatePort;
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m_socket.connectToHost(m_settings.m_igateServer, m_settings.m_igatePort);
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}
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// Send data
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qDebug() << "APRSWorker::send: " << QString(QByteArray(data, length));
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m_socket.write(data, length);
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}
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}
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