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/* -*- C++ -*- */
// $Id$
// ============================================================================
//
// = LIBRARY
// orbsvcs
//
// = FILENAME
// Time_Utilities.h
//
// = AUTHOR
// David Levine <levine@cs.wustl.edu>
//
// ============================================================================
#ifndef ORBSVCS_TIME_UTILITIES_H
#define ORBSVCS_TIME_UTILITIES_H
#include /**/ "ace/pre.h"
#include "orbsvcs/TimeBaseC.h"
#include "orbsvcs/svc_utils_export.h"
#include "ace/OS_NS_time.h"
class TAO_Svc_Utils_Export ORBSVCS_Time
{
// = TITLE
// Time conversion utilities.
//
// = DESCRIPTION
// This class define several static methods to convert between
// several time structures and the CORBA TimeT structure.
//
// Recall that TimeT stores time in a 64-bit long long (or
// structure when that is not available) and uses hundreds of
// nanoseconds as time units (i.e. 1 second is 10^7 TimeT units).
public:
// = A helper constant, IDL does not have constant for structures.
static TimeBase::TimeT zero ();
// = ACE_hrtime_t conversion routines.
// We interpret an ACE_hrtime_t as nanoseconds.
static void hrtime_to_TimeT (TimeBase::TimeT &lhs,
ACE_hrtime_t rhs);
// Convert high-resolution time to a <TimeT>.
static void TimeT_to_hrtime (ACE_hrtime_t &lhs,
const TimeBase::TimeT &rhs);
// Convert <TimeT> to a high-resolution time.
static ACE_hrtime_t to_hrtime (const TimeBase::TimeT &t);
// Convert <TimeT> to a high-resolution time.
// = ACE_Time_Value conversion routines.
// Recall that <ACE_Time_Value>s are <seconds, useconds> pairs.
static void Time_Value_to_TimeT (TimeBase::TimeT& lhs,
const ACE_Time_Value& rhs);
// Convert an <ACE_Time_Value> to a <TimeT>.
static void TimeT_to_Time_Value (ACE_Time_Value& lrs,
const TimeBase::TimeT& rhs);
// Convert an <TimeT> to a <ACE_Time_Value>.
static ACE_Time_Value to_Time_Value (const TimeBase::TimeT &rhs);
// Convert an <TimeT> to a <ACE_Time_Value>.
};
#if defined (__ACE_INLINE__)
#include "orbsvcs/Time_Utilities.i"
#endif /* __ACE_INLINE__ */
#include /**/ "ace/post.h"
#endif /* ORBSVCS_TIME_UTILITIES_H */
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