TimeStamp.hh

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#ifndef CRL_MULTISENSE_TIMESTAMP_HH
#define CRL_MULTISENSE_TIMESTAMP_HH

#if defined(WIN32)
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN 1
#endif

#include <windows.h>
#include <winsock2.h> // Provides a declaration for struct timeval
#else
#include <sys/time.h>
#endif
#include <stdint.h>

namespace crl {
namespace multisense {
namespace details {
namespace utility {

//
// This is a simple class that helps manage time for the rest of the system,
// abstracting it away into something that is more usable.
//

class TimeStamp
{
private:

    //
    // The stored time.
    //

    struct timeval time;

#if defined (WIN32)
    static ULARGE_INTEGER offsetSecondsSince1970;
#endif

public:

    //
    // Static routines, for the singleton version of the TimeStamp.
    //

    static TimeStamp getCurrentTime();

    //
    // Public constructor. Initializes from a timestamp.
    //

    TimeStamp();
    TimeStamp(int32_t seconds, int32_t microSeconds);
    TimeStamp(int64_t nanoseconds);
    TimeStamp(const struct timeval& value);
    //
    // For setting the timestamp.
    //

    void set(const struct timeval& value);
    void set(int32_t seconds, int32_t microSeconds);

    //
    // For getting precise values from the timestamp.
    //

    int32_t getSeconds() const;
    int32_t getMicroSeconds() const;

    //
    // Get the time in nanoseconds
    //

    int64_t getNanoSeconds() const;

    //
    // Operator overloads, for working with time.
    //

    TimeStamp operator+(TimeStamp const& other) const;
    TimeStamp operator-(TimeStamp const& other) const;
    TimeStamp& operator+=(TimeStamp const& other);
    TimeStamp& operator-=(TimeStamp const& other);
};

}}}} // namespaces

#endif /* #ifndef CRL_MULTISENSE_TIMESTAMP_HH */