| 1 | /* ======================================================================== *\
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| 2 | !
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| 3 | ! *
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| 4 | ! * This file is part of MARS, the MAGIC Analysis and Reconstruction
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| 5 | ! * Software. It is distributed to you in the hope that it can be a useful
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| 6 | ! * and timesaving tool in analysing Data of imaging Cerenkov telescopes.
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| 7 | ! * It is distributed WITHOUT ANY WARRANTY.
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| 8 | ! *
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| 9 | ! * Permission to use, copy, modify and distribute this software and its
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| 10 | ! * documentation for any purpose is hereby granted without fee,
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| 11 | ! * provided that the above copyright notice appear in all copies and
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| 12 | ! * that both that copyright notice and this permission notice appear
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| 13 | ! * in supporting documentation. It is provided "as is" without express
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| 14 | ! * or implied warranty.
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| 15 | ! *
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| 16 | !
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| 17 | !
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| 18 | ! Author(s): Thomas Bretz, 10/2003 <mailto:tbretz@astro.uni-wuerzburg.de>
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| 19 | !
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| 20 | ! Copyright: MAGIC Software Development, 2000-2003
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| 21 | !
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| 22 | !
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| 23 | \* ======================================================================== */
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| 24 |
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| 25 | /////////////////////////////////////////////////////////////////////////////
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| 26 | //
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| 27 | // MFRealTimePeriod
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| 28 | //
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| 29 | // This filter allows the execution of tasks in real time intervals. If
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| 30 | // a timeout (given in milliseconds in the constructor) was exceeded
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| 31 | // the return value for IsExpression is set to kTRUE and the timer is
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| 32 | // reset.
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| 33 | //
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| 34 | /////////////////////////////////////////////////////////////////////////////
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| 35 | #include "MFRealTimePeriod.h"
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| 36 |
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| 37 | #include <TTime.h>
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| 38 | #include <TSystem.h>
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| 39 |
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| 40 | ClassImp(MFRealTimePeriod);
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| 41 |
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| 42 | // --------------------------------------------------------------------------
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| 43 | //
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| 44 | // Check, whether the current time is greater than the stored time plus
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| 45 | // the timeout time. If this is the case the return value of
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| 46 | // IsExpressionTrue is set to kTRUE and the stored time is reset to the
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| 47 | // current time. To get the current time gSystem->Now() is used.
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| 48 | //
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| 49 | Int_t MFRealTimePeriod::Process()
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| 50 | {
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| 51 | const ULong_t t = (ULong_t)gSystem->Now();
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| 52 |
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| 53 | fResult = t>fTime+fMilliSec;
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| 54 |
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| 55 | if (fResult)
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| 56 | fTime=t;
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| 57 |
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| 58 | return kTRUE;
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| 59 | }
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