some work on qt

qt/i2pd_qt/DelayedSaveManagerImpl.h

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+#ifndef DELAYEDSAVEMANAGERIMPL_H
+#define DELAYEDSAVEMANAGERIMPL_H
+
+#include <QObject>
+#include <QThread>
+#include <QWaitCondition>
+#include <QMutex>
+#include <QDateTime>
+
+#include "mainwindow.h"
+#include "DelayedSaveManager.h"
+#include "Saver.h"
+
+class DelayedSaveManagerImpl;
+
+class DelayedSaveThread : public QThread
+{
+    Q_OBJECT
+
+public:
+    static constexpr unsigned long WAIT_TIME_MILLIS = 1000L;
+
+    typedef qint64 TIMESTAMP_TYPE;
+    static constexpr TIMESTAMP_TYPE A_VERY_OBSOLETE_TIMESTAMP=0;
+
+    DelayedSaveThread(DelayedSaveManagerImpl* delayedSaveManagerImpl);
+    virtual ~DelayedSaveThread();
+
+    void run() override;
+
+    void deferSaveUntil(TIMESTAMP_TYPE wakeTime);
+    void startSavingNow();
+
+    void wakeThreadAndJoinThread();
+
+private:
+    DelayedSaveManagerImpl* delayedSaveManagerImpl;
+    QMutex* mutex;
+    QWaitCondition* waitCondition;
+    volatile bool saveNow;
+    volatile bool defer;
+    volatile TIMESTAMP_TYPE wakeTime;
+};
+
+class DelayedSaveManagerImpl : public DelayedSaveManager
+{
+public:
+    DelayedSaveManagerImpl();
+    virtual ~DelayedSaveManagerImpl();
+    virtual void setSaver(Saver* saver);
+    virtual void start();
+    virtual void delayedSave(DATA_SERIAL_TYPE dataSerial, bool focusOnTunnel, std::string tunnelNameToFocus);
+    virtual bool appExiting();
+
+    typedef DelayedSaveThread::TIMESTAMP_TYPE TIMESTAMP_TYPE;
+
+    static constexpr DATA_SERIAL_TYPE INITIAL_DATA_SERIAL=0;
+    bool isExiting();
+    Saver* getSaver();
+    static TIMESTAMP_TYPE getTime();
+
+    bool needsFocusOnTunnel();
+    std::string getTunnelNameToFocus();
+
+private:
+    Saver* saver;
+    bool isSaverValid();
+
+    volatile DATA_SERIAL_TYPE lastDataSerialSeen;
+
+    static constexpr TIMESTAMP_TYPE A_VERY_OBSOLETE_TIMESTAMP=DelayedSaveThread::A_VERY_OBSOLETE_TIMESTAMP;
+    TIMESTAMP_TYPE lastSaveStartedTimestamp;
+
+    volatile bool exiting;
+    DelayedSaveThread* thread;
+    void wakeThreadAndJoinThread();
+
+    volatile bool focusOnTunnel;
+    std::string tunnelNameToFocus;
+};
+
+#endif // DELAYEDSAVEMANAGERIMPL_H