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146 lines
3.9 KiB
C++
146 lines
3.9 KiB
C++
// Created on: 2001-12-13
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// Created by: Sergey KUUl
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// Copyright (c) 2001-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _MoniTool_Timer_HeaderFile
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#define _MoniTool_Timer_HeaderFile
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#include <Standard.hxx>
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#include <Standard_Type.hxx>
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#include <OSD_Timer.hxx>
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#include <Standard_Integer.hxx>
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#include <Standard_Real.hxx>
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#include <MMgt_TShared.hxx>
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#include <Standard_OStream.hxx>
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#include <Standard_CString.hxx>
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#include <MoniTool_DataMapOfTimer.hxx>
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class OSD_Timer;
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class MoniTool_Timer;
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DEFINE_STANDARD_HANDLE(MoniTool_Timer, MMgt_TShared)
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//! Provides convenient service on global timers
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//! accessed by string name, mostly aimed for debugging purposes
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//!
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//! As an instance, envelopes the OSD_Timer to have it as Handle
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//!
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//! As a tool, supports static dictionary of timers
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//! and provides static methods to easily access them
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class MoniTool_Timer : public MMgt_TShared
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{
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public:
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//! Create timer in empty state
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MoniTool_Timer();
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const OSD_Timer& Timer() const;
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//! Return reference to embedded OSD_Timer
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OSD_Timer& Timer();
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void Start();
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void Stop();
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//! Start, Stop and reset the timer
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//! In addition to doing that to embedded OSD_Timer,
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//! manage also counter of hits
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void Reset();
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//! Return value of hits counter (count of Start/Stop pairs)
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Standard_Integer Count() const;
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//! Returns value of nesting counter
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Standard_Integer IsRunning() const;
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//! Return value of CPU time minus accumulated amendment
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Standard_Real CPU();
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//! Return value of accumulated amendment on CPU time
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Standard_Real Amend() const;
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//! Dumps current state of a timer shortly (one-line output)
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Standard_EXPORT void Dump (Standard_OStream& ostr);
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//! Returns a timer from a dictionary by its name
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//! If timer not existed, creates a new one
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Standard_EXPORT static Handle(MoniTool_Timer) Timer (const Standard_CString name);
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static void Start (const Standard_CString name);
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//! Inline methods to conveniently start/stop timer by name
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//! Shortcut to Timer(name)->Start/Stop()
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static void Stop (const Standard_CString name);
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//! Returns map of timers
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Standard_EXPORT static MoniTool_DataMapOfTimer& Dictionary();
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//! Clears map of timers
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Standard_EXPORT static void ClearTimers();
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//! Dumps contents of the whole dictionary
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Standard_EXPORT static void DumpTimers (Standard_OStream& ostr);
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//! Computes and remembers amendments for times to
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//! access, start, and stop of timer, and estimates
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//! second-order error measured by 10 nested timers
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Standard_EXPORT static void ComputeAmendments();
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//! The computed amendmens are returned (for information only)
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Standard_EXPORT static void GetAmendments (Standard_Real& Access, Standard_Real& Internal, Standard_Real& External, Standard_Real& Error10);
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DEFINE_STANDARD_RTTIEXT(MoniTool_Timer,MMgt_TShared)
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protected:
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private:
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Standard_EXPORT static void AmendAccess();
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Standard_EXPORT void AmendStart();
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//! Internal functions to amend other timers to avoid
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//! side effects of operations with current one
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Standard_EXPORT void AmendStop();
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OSD_Timer myTimer;
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Standard_Integer myCount;
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Standard_Integer myNesting;
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Standard_Real myAmend;
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Handle(MoniTool_Timer) myPrev;
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Handle(MoniTool_Timer) myNext;
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};
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#include <MoniTool_Timer.lxx>
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#endif // _MoniTool_Timer_HeaderFile
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