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BUG#: 3316
TITLE: TimeValue::toMilliseconds does not handle overflow
DESCRIPTION: Use Uint64 for milliseconds values to prevent overflow.  Also, change some ClientPerfDataStore values from Uint64 to Uint32 to match their usage.

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#ifndef Pegasus_TimeValue_h
#define Pegasus_TimeValue_h

#include <Pegasus/Common/Config.h>
#include <Pegasus/Common/System.h>
#include <Pegasus/Common/Linkage.h>

PEGASUS_NAMESPACE_BEGIN

/** The TimeValue class represents time expressed in seconds plus microseconds.
*/
class PEGASUS_COMMON_LINKAGE TimeValue
{
public:

    TimeValue() : _seconds(0), _microseconds(0)
    {
    }

    TimeValue(Uint32 seconds, Uint32 microseconds)
        : _seconds(seconds), _microseconds(microseconds)
    {
    }

    Uint32 getSeconds() const
    {
        return _seconds;
    }

    void setSeconds(Uint32 seconds)
    {
        _seconds = seconds;
    }

    Uint32 getMicroseconds() const
    {
        return _microseconds;
    }

    Uint64 toMicroseconds() const
    {
        return (Uint64(_seconds) * Uint64(1000000)) + Uint64(_microseconds);
    }

    void setMicroseconds(Uint32 microseconds)
    {
        _microseconds = microseconds;
    }

    void fromMilliseconds(Uint64 milliseconds)
    {
        _seconds = Uint32(milliseconds / 1000);
        _microseconds = Uint32(milliseconds % 1000) * 1000;
    }

    Uint64 toMilliseconds() const
    {
        return Uint64(_seconds) * Uint64(1000) +
            Uint64(_microseconds) / Uint64(1000);
    }

    static TimeValue getCurrentTime()
    {
        Uint32 seconds;
        Uint32 microseconds;
        System::getCurrentTimeUsec(seconds, microseconds);
        return TimeValue(seconds, microseconds);
    }

private:
    Uint32 _seconds;
    Uint32 _microseconds;
};

PEGASUS_NAMESPACE_END

#endif /* Pegasus_TimeValue_h */