From 421a701c93c6bd8afda7285b670ba3f264b10128 Mon Sep 17 00:00:00 2001
From: chatty
Date: Tue, 28 Nov 2000 17:07:43 +0000
Subject: Added class UchMultiplexer

---
 comm/Multiplexer.h | 66 ++++++++++++++++++++++++++++++++----------------------
 1 file changed, 39 insertions(+), 27 deletions(-)

(limited to 'comm')

diff --git a/comm/Multiplexer.h b/comm/Multiplexer.h
index b89344b..ee52c91 100644
--- a/comm/Multiplexer.h
+++ b/comm/Multiplexer.h
@@ -12,10 +12,12 @@
  *	$CurLog$
  */
 
-#ifndef Multiplexer_H_
-#define Multiplexer_H_
+#ifndef UchMultiplexer_H_
+#define UchMultiplexer_H_
 
-#include "Channel.h"
+//#include "dnn/Multiplexer.h"
+#include "Loop.h"
+#include "../UCH/Channel.h"
 #include <sys/types.h>
 #include "ccu/Timer.h"
 
@@ -25,80 +27,90 @@ extern	char*	StrReprBuf;
 //	Because of the coercion defined for FILDES -> int,
 //	most arguments of type ints can be FILDES, UchChannel, ...
 //	An array of pointers to channels is kept in the object;
-//	we use smart pointers to handle deletion cleanly.
 //	The masks for reading/writing are kept consistent with the IOMode of
 //	the channels, as long as it is not changed by a direct access to the channel
 //	operator[] returns a pointer and cannot be used as an lhs of an assignment.
 //
 
-enum	MPX_RES { isMpxEmpty, isMpxTerminated, isMpxError, isMpxAborted };
+//     WARNING: when the Multiplexer is deleted, the Channels it still
+//     has in its channel set are not Removed; instead UchChannel::Removed
+//     is called 
 
-class UchBaseMultiplexer : public CcuSmartData {
+typedef DnnMpxHook UchMpxHook;
+
+class UchBaseMultiplexer : public DnnBaseMultiplexer {
 friend	class	UchBaseTimeOut;
 friend	class	UchBaseSignalHandler;
-
+friend	class	UchChannel;
 
 protected:
-	pUchChannel*	Channels;
+	bool	Add (UchChannel*);
+	bool	Remove (int);
+
+	UchChannel**	Channels;
 	CcuTimerSet	Timers;
 	short		ReadCount;
 	short		WriteCount;
 	short		SelectCount;
-	bool		Looping;
-	bool	SigFired;
+	bool		SigFired;
+	int*		NbSignals;
 	UchBaseSignalHandler**	Handlers;
-	int*	NbSignals;
 
 	void	HandleSignal (UchBaseSignalHandler&);
 	void	HandleDeferredSignals ();
 inline	CcuTimerSet*	GetTimerSet ()	{ return &Timers; }
 
-virtual	void		SetMasks (int, IOMODE);
+virtual	void	SetMasks (int, IOMODE);
 virtual	void	SetTimeOut (Millisecond) = 0;
 virtual	void	SuppressTimeOut () = 0;
 virtual	void	AddSignalHook ();
-virtual	MPX_RES	Loop () = 0;
 
 public:
 		UchBaseMultiplexer ();
 		~UchBaseMultiplexer ();
 	
-inline	pUchChannel	operator [] (int fd)		{ if (fd < 0) return pUchChannel (0); else return Channels [fd]; }
-	void	Add (UchChannel*);
-inline	void	Add (const UchChannel& ch)		{ Add (ch.Copy ()); }
-	void	Remove (int);
+	UchChannel*	operator [] (int);
+	
 	void	RemoveAll ();
 	void	SetMode (int, IOMODE);
 	MPX_RES	Run ();
+
+#if 0
 	void	Abort ();
 	void	Close ();
-};
+#endif
 
-PointerClass (pUchBaseMultiplexer, UchBaseMultiplexer)
+};
 
 class UchMultiplexer : public UchBaseMultiplexer {
 protected:
-	fd_set		ReadMask;
-	fd_set		WriteMask;
-	fd_set		SelectMask;
+	fd_set	ReadMask;
+	fd_set	WriteMask;
+	fd_set	SelectMask;
+	CcuList	Hooks;
+	CcuList	FinalHooks;
+	bool	Looping;
 	Millisecond	TimeOut;
-	int		fd0;	// used by HandleSelect and LoopScan
 
 	void	SetMasks (int, IOMODE);
 	void	SetTimeOut (Millisecond);
 	void	SuppressTimeOut ();
 	MPX_RES	Loop ();
-
+	void	ExecHooks (bool = false);
 
 public:
 		UchMultiplexer ();
 		~UchMultiplexer ();
 	
-	bool	HandleSelect ();
-	int	Scan (bool nointr = true, bool poll = false);
 	MPX_RES	LoopScan (bool nointr = true);
-inline	void	LoopEnd ()		{ Looping = false; }
+	void	Stop ();
 	char*	StrRepr (char* = StrReprBuf);
+	void	AddHook (DnnMpxHook*, bool = false);
+	void	RemoveHook (DnnMpxHook*, bool = false);
+	void	AddFinalHook (DnnMpxHook*);
+	void	RemoveFinalHook (DnnMpxHook*);
 };
 
 #endif /* Multiplexer_H_ */
+
+
-- 
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