Timer.hxx

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// ==================================================
// Copyright 2013.
// Siemens Product Lifecycle Management Software Inc.
// All Rights Reserved.
// ==================================================

#ifndef BASE_UTILS_TIMER_HXX
#define BASE_UTILS_TIMER_HXX

#include <unidefs.h>
#include <base_utils/ScopedSmPtr.hxx>

#include <base_utils/libbase_utils_exports.h>

typedef struct TIMER_CLOCK_timer_values_s
{ 
    double cpu_time;       
    double child_cpu_time; 
    double real_time;      
} TIMER_CLOCK_timer_values_t, *TIMER_CLOCK_timer_values_p_t;

class BASE_UTILS_API Timer
{
public:

    Timer(
        logical startNow = true                
        );

    ~Timer();

    void start();

    void stop();

    void reset();

    const char* elapsedString() const;

    void readTimer(
        TIMER_CLOCK_timer_values_t& values     
        ) const;

    char* logElapsedString(
        const char* text                        
        ) const;

    static bool isLoginTimerEnabled();

private:
    unsigned short m_timer;

    mutable char m_buffer[128];

    Timer( const Timer& other );

    Timer& operator=( const Timer& other );

    static bool s_logEnabled;
    static bool s_logEnabledChecked;
    static double s_incrementalCpu;
    static double s_incrementalReal;
};

#include <base_utils/libbase_utils_undef.h>
#endif