147 lines
4.5 KiB
C++
147 lines
4.5 KiB
C++
#ifndef DATA_SYNCTHINGPROCESS_H
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#define DATA_SYNCTHINGPROCESS_H
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#include "./global.h"
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#include <c++utilities/chrono/datetime.h>
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#include <QProcess>
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#include <QStringList>
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#include <QTimer>
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#ifdef LIB_SYNCTHING_CONNECTOR_BOOST_PROCESS
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#include <memory>
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#endif
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namespace Data {
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#ifdef LIB_SYNCTHING_CONNECTOR_BOOST_PROCESS
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struct SyncthingProcessInternalData;
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struct SyncthingProcessIOHandler;
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using SyncthingProcessBase = QIODevice;
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#else
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using SyncthingProcessBase = QProcess;
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#endif
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class LIB_SYNCTHING_CONNECTOR_EXPORT SyncthingProcess : public SyncthingProcessBase {
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Q_OBJECT
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Q_PROPERTY(bool running READ isRunning)
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Q_PROPERTY(CppUtilities::DateTime activeSince READ activeSince)
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Q_PROPERTY(bool manuallyStopped READ isManuallyStopped)
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public:
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explicit SyncthingProcess(QObject *parent = nullptr);
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~SyncthingProcess() override;
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bool isRunning() const;
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CppUtilities::DateTime activeSince() const;
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bool isActiveFor(unsigned int atLeastSeconds) const;
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bool isManuallyStopped() const;
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static SyncthingProcess *mainInstance();
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static void setMainInstance(SyncthingProcess *mainInstance);
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static QStringList splitArguments(const QString &arguments);
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#ifdef LIB_SYNCTHING_CONNECTOR_BOOST_PROCESS
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QProcess::ProcessState state() const;
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void start(const QString &program, const QStringList &arguments, QIODevice::OpenMode openMode = QIODevice::ReadOnly);
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qint64 bytesAvailable() const override;
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void close() override;
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int exitCode() const;
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bool waitForFinished(int msecs = 30000);
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qint64 processId() const;
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QString program() const;
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QStringList arguments() const;
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#endif
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public Q_SLOTS:
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void restartSyncthing(const QString &program, const QStringList &arguments);
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void startSyncthing(const QString &program, const QStringList &arguments);
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void stopSyncthing();
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void killSyncthing();
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#ifdef LIB_SYNCTHING_CONNECTOR_BOOST_PROCESS
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void terminate();
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void kill();
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#endif
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Q_SIGNALS:
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#ifdef LIB_SYNCTHING_CONNECTOR_BOOST_PROCESS
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void started();
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void finished(int exitCode, QProcess::ExitStatus exitStatus);
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void errorOccurred(QProcess::ProcessError error);
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void stateChanged(QProcess::ProcessState newState);
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#endif
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void confirmKill();
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#ifdef LIB_SYNCTHING_CONNECTOR_BOOST_PROCESS
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protected:
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qint64 readData(char *data, qint64 maxSize) override;
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qint64 writeData(const char *data, qint64 len) override;
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#endif
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private Q_SLOTS:
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void handleStarted();
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void handleFinished(int exitCode, QProcess::ExitStatus exitStatus);
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void killToRestart();
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#ifdef LIB_SYNCTHING_CONNECTOR_BOOST_PROCESS
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void handleError(QProcess::ProcessError error, const QString &errorMessage, bool closed);
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void bufferOutput();
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void handleLeftoverProcesses();
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#endif
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private:
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QString m_program;
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QStringList m_arguments;
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CppUtilities::DateTime m_activeSince;
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QTimer m_killTimer;
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#ifdef LIB_SYNCTHING_CONNECTOR_BOOST_PROCESS
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std::shared_ptr<SyncthingProcessInternalData> m_process;
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std::unique_ptr<SyncthingProcessIOHandler> m_handler;
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#endif
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bool m_manuallyStopped;
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static SyncthingProcess *s_mainInstance;
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};
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/// \brief Returns whether the process is running.
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inline bool SyncthingProcess::isRunning() const
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{
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return state() != QProcess::NotRunning;
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}
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/// \brief Returns the last time when QProcess::started() has been emitted.
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inline CppUtilities::DateTime SyncthingProcess::activeSince() const
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{
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return m_activeSince;
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}
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/// \brief Checks whether the process already runs for the specified number of seconds.
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inline bool SyncthingProcess::isActiveFor(unsigned int atLeastSeconds) const
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{
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return !m_activeSince.isNull() && (CppUtilities::DateTime::gmtNow() - m_activeSince).totalSeconds() > atLeastSeconds;
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}
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/// \brief Returns whether the process has been manually stopped via SyncthingProcess::stopSyncthing(), SyncthingProcess::killSyncthing()
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/// or SyncthingProcess::restartSyncthing().
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/// \remarks Resetted on SyncthingProcess::startSyncthing() and SyncthingProcess::restartSyncthing().
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inline bool SyncthingProcess::isManuallyStopped() const
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{
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return m_manuallyStopped;
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}
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/*!
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* \brief Returns the "main" instance assigned via SyncthingProcess::setMainInstance().
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*/
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inline SyncthingProcess *SyncthingProcess::mainInstance()
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{
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return s_mainInstance;
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}
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/*!
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* \brief Sets the "main" instance.
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*/
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inline void SyncthingProcess::setMainInstance(SyncthingProcess *mainInstance)
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{
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s_mainInstance = mainInstance;
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}
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} // namespace Data
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#endif // DATA_SYNCTHINGPROCESS_H
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