core/sqf/monitor/linux/watchdog.h

///////////////////////////////////////////////////////////////////////////////
//
// @@@ START COPYRIGHT @@@
//
// Licensed to the Apache Software Foundation (ASF) under one
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// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
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///////////////////////////////////////////////////////////////////////////////

#ifndef WATCHDOG_H 
#define WATCHDOG_H

#include <sched.h>
#include <list>
#include <vector>

#include "sdtimer.h"
//#include "wdtimer.h"


class CWatchdog : public CLock
{
private:
    int            eyecatcher_;      // Debuggging aid -- leave as first
                                     // member variable of the class
public:
    CWatchdog( void );
    ~CWatchdog( void );

    void    ExpireSoftdogTimer( bool dontSleep=false );
    void    ShutdownSoftdogTimer( bool dontSleep=false );
    WatchdogEvent_t GetEvent( void );
    bool    IsNodeDown( void );
    void    ResetSoftdogTimer( void );
    void    SetEvent( WatchdogEvent_t event );
    void    SetNodeDown( void );
    void    StartSoftdogTimer( void );
    int     StartWorkerThreads( void );
    void    StopSoftdogTimer( void );
    int     StopWorkerThreads( void );
    void    WaitForEvent( void );

protected:

private:
    WatchdogEvent_t  event_;        // Last monitor event
    bool             nodeDown_;     // SdTimer expired and node down executed
    CSdTimer         sdTimer_;        // softdog timer
    //CWdTimer       *wdTimer_;         // Linux Watchdog timer

};


#endif // WATCHDOG_H