86 lines
2.9 KiB
C++
86 lines
2.9 KiB
C++
/****************************************************************************
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** Copyright (c) 2025 Evgeny Teterin (nayk) <nayk@nxt.ru>
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** All right reserved.
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**
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** Permission is hereby granted, free of charge, to any person obtaining
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** a copy of this software and associated documentation files (the
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** "Software"), to deal in the Software without restriction, including
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** without limitation the rights to use, copy, modify, merge, publish,
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** distribute, sublicense, and/or sell copies of the Software, and to
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** permit persons to whom the Software is furnished to do so, subject to
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** the following conditions:
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**
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** The above copyright notice and this permission notice shall be
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** included in all copies or substantial portions of the Software.
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**
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** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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** NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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** LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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** OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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** WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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**
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****************************************************************************/
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#pragma once
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#ifndef LOG_WORKER_H
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#define LOG_WORKER_H
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#include <QtCore/QObject>
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#include <QtCore/QString>
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#include <QtCore/QMutex>
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#include <QtCore/QFile>
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#include <QtCore/QDateTime>
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#include <QtCore/QQueue>
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#include <QtCore/QTimer>
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#include <atomic>
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//==============================================================================
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class LogWorker : public QObject
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{
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Q_OBJECT
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public:
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explicit LogWorker(const QString &logFilePath, QObject *parent = nullptr);
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virtual ~LogWorker();
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signals:
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void started();
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void stopped();
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public slots:
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Q_INVOKABLE void start();
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Q_INVOKABLE void stop();
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Q_INVOKABLE void writeLog(const QString &msg,
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int type = 0,
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const QString &objectName = QString());
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private slots:
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void checkQueue();
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private:
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const int queueIntervalMs {5000};
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struct LogRecord {
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int type {0};
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QString msg;
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QString objectName;
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QDateTime dateTime;
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};
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std::atomic<bool> running {false};
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qint64 linesCounter {0};
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qint64 linesPosition {0};
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QFile file;
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QMutex mutex;
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QDateTime startTime;
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QQueue<LogRecord> queue;
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QTimer *timer {nullptr};
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//
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void writeFirstLines();
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void writeLastLines();
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void writeLine(const QString &msg, int type = 0,
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const QString &objectName = QString(),
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const QDateTime &dateTime = QDateTime::currentDateTime());
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void writeAllFromQueue();
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};
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//==============================================================================
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#endif // LOG_WORKER_H
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