88 lines
1.9 KiB
C++
88 lines
1.9 KiB
C++
/*
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Copyright (c) 2015, 2016 Hubert Denkmair <hubert@denkmair.de>
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This file is part of cangaroo.
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cangaroo 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, either version 2 of the License, or
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(at your option) any later version.
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cangaroo 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 for more details.
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You should have received a copy of the GNU General Public License
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along with cangaroo. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <QObject>
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#include <QMutex>
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#include <QTimer>
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#include <QVector>
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#include <QMap>
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#include <QFile>
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#include "CanMessage.h"
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class CanInterface;
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class CanDbMessage;
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class CanDbSignal;
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class MeasurementSetup;
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class Backend;
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class CanTrace : public QObject
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{
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Q_OBJECT
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public:
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explicit CanTrace(Backend &backend, QObject *parent, int flushInterval);
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unsigned long size();
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void clear();
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const CanMessage *getMessage(int idx);
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void enqueueMessage(const CanMessage &msg, bool more_to_follow=false);
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void saveCanDump(QFile &file);
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void saveVectorAsc(QFile &file);
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bool getMuxedSignalFromCache(const CanDbSignal *signal, uint64_t *raw_value);
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signals:
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void messageEnqueued(int idx);
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void beforeAppend(int num_messages);
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void afterAppend();
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void beforeClear();
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void afterClear();
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private slots:
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void flushQueue();
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private:
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enum {
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pool_chunk_size = 1024
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};
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Backend &_backend;
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QVector<CanMessage> _data;
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int _dataRowsUsed;
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int _newRows;
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bool _isTimerRunning;
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QMap<const CanDbSignal*,uint64_t> _muxCache;
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QMutex _mutex;
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QMutex _timerMutex;
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QTimer _flushTimer;
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void startTimer();
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};
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