thresholdmanager.h

270的linux说明

/*

Copyright (c) 2008, Intel Corporation. 

All rights reserved.

 

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are permitted provided that the following conditions are met:


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    * Neither the name of Intel Corporation nor the names of its contributors 
may be used to endorse or promote products derived from this software without 
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*/


//==============================================================================
// ThresholdManager.h 
//       Declaration of the class ThresholdManager
//==============================================================================
//#pragma once
#ifndef _THRESHOLDMANAGER_H
#define _THRESHOLDMANAGER_H

#include "inc/framework/win2linux.h"
#include "inc/framework/base_LoggerBase.h"
#include "inc/framework/ThresholdMonitorThread.h"
#include <vector>

using namespace std;

#define MIN_GRANULARITY 1000 // Min defaults to 1 sec.

class ServerThreshold;

//==============================================================================
// class ThresholdManager

extern ThresholdManager & GetThresholdManager();


class ThresholdManager : public LoggerBase
{
protected:
    vector<ServerThreshold*> m_thresholdList;    // The monitored Thresholds
	CRITICAL_SECTION         m_csThresholds;     // Lock for vector access
    ThresholdMonitorThread   m_MonitorThread;    // The monitor thread
	CRITICAL_SECTION         m_csPollRate;       // Lock for polling rate change
    long                     m_lMinGranularity;  // Max polling rate, in ms.

public:
	ThresholdManager( CLog &theLog, 
                      long lMinGranularity = MIN_GRANULARITY );
	~ThresholdManager();

    HRESULT StartMonitoring();
    HRESULT StopMonitoring ();

    bool SetMinimumGranularity( long lGranularity );
    bool SetPollingRate       ( ServerThreshold* pThreshold );

    bool TestThresholds();

    bool Add    ( ServerThreshold* pThreshold );
    bool Remove ( ServerThreshold* pThreshold );
    bool Clear  ();
    int  GetMonitoredCount();
    bool IsEmpty();

protected:
    long LowestCommonDenominator( long lN1, long lN2 );

private:
    // This is a singleton, make sure of no copies.
	ThresholdManager( ThresholdManager &rhs ); 
    ThresholdManager& operator=( ThresholdManager &rhs );

}; //ThresholdManager

//==============================================================================

#endif