From 15b7cecb6b5415a0b2e15a0f4079be05c436e80e Mon Sep 17 00:00:00 2001
From: chatty
Date: Wed, 7 Apr 1993 11:56:59 +0000
Subject: Reshaped to allow the derivation of timers associated to other
 sources: Creation of CCuCoreTimer, base class to CcuBaseTimer

---
 utils/Timer.h | 68 +++++++++++++++++++++++++++++++++++++++++------------------
 1 file changed, 47 insertions(+), 21 deletions(-)

(limited to 'utils/Timer.h')

diff --git a/utils/Timer.h b/utils/Timer.h
index d361802..77c1b70 100644
--- a/utils/Timer.h
+++ b/utils/Timer.h
@@ -3,7 +3,7 @@
  *
  *	by Stephane Chatty
  *
- *	Copyright 1992
+ *	Copyright 1992-1993
  *	Centre d'Etudes de la Navigation Aerienne (CENA)
  *
  *	timers
@@ -25,48 +25,74 @@ template <class ITEM> class CcuListOf;
 #include "List.h"
 #endif
 
-class CcuBaseTimer {
-public:
-		enum timer_status	{ Active, Inactive };
+class CcuCoreTimer;
+
+class CcuTimerSet {
+friend	class	CcuCoreTimer;
 
 private:
-static	CcuSignalHandler*	TimeOutHandler;
-static	CcuBaseTimer*	FirstActive;
+	CcuCoreTimer*	FirstTimer;
 #ifndef CPLUS_BUG19
-static	CcuListOf <CcuBaseTimer>*	OtherActive;
+	CcuListOf <CcuCoreTimer>	OtherTimers;
 #else
-static	CcuList*	OtherActive;
+	CcuList	OtherTimers;
 #endif
+	CcuCoreTimer*	ExtractNextActive ();
+public:
+inline		CcuTimerSet () : FirstTimer (0), OtherTimers ()	{}
+inline		~CcuTimerSet ()		{}
+};
 
-static	void	ClassInit ();
-static	void	HandleSignal (int);
-static	void	SetAlarm (Millisecond);
-static	void	StopAlarm ();
-static	CcuBaseTimer*	ExtractNextActive ();
-static	int	IsInactive (CcuBaseTimer*);
 
+
+class CcuCoreTimer {
+friend	class	CcuTimerSet;
+public:
+		enum timer_status	{ Active, Inactive };
+
+protected:
+static	int	IsInactive (CcuCoreTimer*);
+
+	CcuTimerSet*	MySet;
 	Millisecond	NextDate;
 	Millisecond	Period;
 	int		PulsesLeft;
-	timer_status Status;
+	timer_status StatusFlag;
 
+		CcuCoreTimer (Millisecond, int, CcuTimerSet*);
+		~CcuCoreTimer ();
 	void	Activate ();
 	void	Schedule (Millisecond);
 	void	Reschedule ();
-
-protected:
+virtual	void	SetAlarm (Millisecond) = 0;
+virtual	void	StopAlarm () = 0;
 virtual	void	Handle (Millisecond);
 
-public:	
-		CcuBaseTimer (Millisecond, int = -1);
-virtual		~CcuBaseTimer ();
+public:
 	void	ChangePeriod (Millisecond first);
 	void	Stop ();
 	void	Restart ();
 	void	Wait ();
 inline	Millisecond	GetPeriod () const		{ return Period; }
 inline	int		GetNbPulses () const		{ return PulsesLeft; }
-inline	timer_status	GetStatus () const		{ return Status; }
+inline	timer_status	GetStatus () const		{ return StatusFlag; }
+static	void		Fire (CcuTimerSet*);
+};
+
+class CcuBaseTimer : public CcuCoreTimer {
+private:
+static	CcuSignalHandler*	TimeOutHandler;
+static	CcuTimerSet*		TimerSet;
+static	void	HandleSignal (int);
+static	void	ClassInit ();
+
+protected:
+	void	SetAlarm (Millisecond);
+	void	StopAlarm ();
+
+public:	
+		CcuBaseTimer (Millisecond, int = -1);
+		~CcuBaseTimer ();
 };
 
 class CcuTimer : public CcuBaseTimer {
-- 
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