First implementation

cpp/core/Backend.h

@@ -0,0 +1,114 @@
+/*
+
+  Copyright (c) 2015, 2016 Hubert Denkmair <hubert@denkmair.de>
+
+  This file is part of cangaroo.
+
+  cangaroo 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, either version 2 of the License, or
+  (at your option) any later version.
+
+  cangaroo 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 for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with cangaroo.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+#pragma once
+
+#include <stdint.h>
+#include <QObject>
+#include <QList>
+#include <QMutex>
+#include <QDateTime>
+#include <QElapsedTimer>
+#include <driver/CanDriver.h>
+#include <core/CanDb.h>
+#include <core/MeasurementSetup.h>
+#include <core/Log.h>
+
+class MeasurementNetwork;
+class CanTrace;
+class CanListener;
+class CanDbMessage;
+class SetupDialog;
+class LogModel;
+
+class Backend : public QObject
+{
+    Q_OBJECT
+public:
+    static Backend &instance();
+
+    explicit Backend();
+    virtual ~Backend();
+
+    void addCanDriver(CanDriver &driver);
+
+    bool startMeasurement();
+    bool stopMeasurement();
+    bool isMeasurementRunning() const;
+    double getTimestampAtMeasurementStart() const;
+    uint64_t getUsecsAtMeasurementStart() const;
+    uint64_t getNsecsSinceMeasurementStart() const;
+    uint64_t getUsecsSinceMeasurementStart() const;
+
+
+    void logMessage(const QDateTime dt, const log_level_t level, const QString msg);
+
+    MeasurementSetup &getSetup();
+    void loadDefaultSetup(MeasurementSetup &setup);
+    void setDefaultSetup();
+    void setSetup(MeasurementSetup &new_setup);
+
+    double currentTimeStamp() const;
+
+    CanTrace *getTrace();
+    void clearTrace();
+
+    CanDbMessage *findDbMessage(const CanMessage &msg) const;
+
+    CanInterfaceIdList getInterfaceList();
+    CanDriver *getDriverById(CanInterfaceId id);
+    CanInterface *getInterfaceById(CanInterfaceId id);
+    QString getInterfaceName(CanInterfaceId id);
+    QString getDriverName(CanInterfaceId id);
+
+    CanDriver *getDriverByName(QString driverName);
+    CanInterface *getInterfaceByDriverAndName(QString driverName, QString deviceName);
+
+    pCanDb loadDbc(QString filename);
+
+    void clearLog();
+    LogModel &getLogModel() const;
+
+signals:
+    void beginMeasurement();
+    void endMeasurement();
+
+    void onSetupChanged();
+
+    void onLogMessage(const QDateTime dt, const log_level_t level, const QString msg);
+
+    void onSetupDialogCreated(SetupDialog &dlg);
+
+public slots:
+
+private:
+    static Backend *_instance;
+
+    bool _measurementRunning;
+    uint64_t _measurementStartTime;
+    QElapsedTimer _timerSinceStart;
+    QList<CanDriver*> _drivers;
+    MeasurementSetup _setup;
+    CanTrace *_trace;
+    QList<CanListener*> _listeners;
+
+    LogModel *_logModel;
+};