From 30f1d67e8b836760abd265f2fc0afeaba810d004 Mon Sep 17 00:00:00 2001
From: chatty
Date: Tue, 28 Nov 2000 17:07:44 +0000
Subject: Moved parts to BufStream

---
 comm/MsgStream.cc | 190 ------------------------------------------------------
 comm/MsgStream.h  |  53 ++-------------
 2 files changed, 5 insertions(+), 238 deletions(-)

diff --git a/comm/MsgStream.cc b/comm/MsgStream.cc
index 47a2a74..3a84eba 100644
--- a/comm/MsgStream.cc
+++ b/comm/MsgStream.cc
@@ -17,196 +17,6 @@
 #include "error.h"
 
 
-/*?
-These constructors are similar to those of class \typ{UchSocket}.
-?*/
-UchBufStream :: UchBufStream (UchAddress* bindTo, UchAddress* connectTo)
-: UchStream (bindTo, connectTo),
-  InBuffer (),
-  OutBuffer (),
-  OutSize (128),
-  Sync (false)
-{
-}
-
-// *** this copy constructor might be automatically generated
-/*?nodoc?*/
-UchBufStream :: UchBufStream (const UchBufStream& ms)
-: UchStream (ms),
-  InBuffer (),
-  OutBuffer (),
-  OutSize (ms.OutSize),
-  Sync (ms.Sync)
-{
-}
-
-/*?nodoc?*/
-UchBufStream :: ~UchBufStream ()
-{
-	Flush ();
-	InBuffer.Clear ();
-	OutBuffer.Clear ();
-}
-
-/*?nextdoc?*/
-void
-UchBufStream :: InputBuffer (int min, int grow, int max)
-{
-	InBuffer.SetSizes (min, grow, max);
-}
-
-/*?
-Set the input and output buffer sizes.
-Default sizes are used if these functions are not called.
-?*/
-void
-UchBufStream :: OutputBuffer (int min, int grow, int max)
-{
-	OutBuffer.SetSizes (min, grow, max);
-	OutSize = max;
-}
-
-/*?
-Flush the output buffer.
-This function is called automatically when the buffer exceeds its flush size,
-or after each message when this stream is in synchronous mode.
-It is also called from \fun{Ask} to wait for the answer.
-?*/
-void
-UchBufStream :: Flush ()
-{
-	if (OutBuffer.BufLength () == 0)
-		return;
-	int n = Write (OutBuffer);
-	OutBuffer.Flush (n);
-}
-
-/*?nodoc?*/
-void
-UchBufStream :: HandleWrite ()
-{
-	Flush ();
-}
-
-
-// read stream into input buffer
-// delete the stream when an eof is received
-// return the number of bytes read
-//
-/*?hidden?*/
-int
-UchBufStream :: ReadInput ()
-{
-	if (InBuffer.BufLength () == 0)
-		InBuffer.NeedSize (128);
-	int n = Read (InBuffer);
-	if (n <= 0) {
-		if (n == -2) {
-			InBuffer.Grow ();
-			n = Read (InBuffer);
-		}
-		if (n < 0)
-			SysError (ErrWarn, "UchBufStream::ReadInput");
-		if (n <= 0)
-			Closing (n < 0 ? false : true);
-	}
-	return n;
-}
-
-/*?
-This virtual function is called when an end of file is read, 
-meaning that the communication is terminated.
-It is also called if an error occurs while reading.
-You can check the value of the global variable \var{errno}:
-if it is non zero, \fun{Closing} was called because of an error. % wrong
-By default this function does nothing.
-?*/
-void
-UchBufStream :: Closing (bool)
-{
-}
-
-
-void
-UchBufStream :: WriteLong (lword l)
-{
-	OutBuffer << l;
-}
-
-void
-UchBufStream :: WriteShort (sword s)
-{
-	OutBuffer << s;
-}
-
-void
-UchBufStream :: WriteByte (byte b)
-{
-	OutBuffer << b;
-}
-
-void
-UchBufStream :: WriteChar (char c)
-{
-	OutBuffer << c;
-}
-
-void
-UchBufStream :: WriteString (const char* s)
-{
-	OutBuffer << s;
-}
-
-void
-UchBufStream :: WriteBuf (const byte* b, int n)
-{
-	OutBuffer.WriteBuf (b, n);
-}
-
-bool
-UchBufStream :: ReadLong (lword& l)
-{
-	return InBuffer.ReadLong (l);
-}
-
-bool
-UchBufStream :: ReadShort (sword& s)
-{
-	return InBuffer.ReadShort (s);
-}
-
-bool
-UchBufStream :: ReadByte (byte& b)
-{
-	return InBuffer.ReadByte (b);
-}
-
-bool
-UchBufStream :: ReadChar (char& c)
-{
-	return InBuffer.ReadChar (c);
-}
-
-int
-UchBufStream :: ReadString (char* s, int n)
-{
-	return InBuffer.ReadString (s, n);
-}
-
-int
-UchBufStream :: ReadString (CcuString& s)
-{
-	return InBuffer.ReadString (s);
-}
-
-bool
-UchBufStream :: ReadBuf (byte* b, int n)
-{
-	return InBuffer.ReadBuf (b, n);
-}
-
-
-
 /*?class UchMsgStream
 An object of class \typ{UchMsgStream} is a stream that sends and receives messages:
 we call it a message stream.
diff --git a/comm/MsgStream.h b/comm/MsgStream.h
index 0ed867f..7660ae8 100644
--- a/comm/MsgStream.h
+++ b/comm/MsgStream.h
@@ -15,59 +15,16 @@
 #ifndef MsgStream_H_
 #define MsgStream_H_
 
-#include "Stream.h"
-#include "ccu/SmartPointer.h"
-#include "MsgBuffer.h"
+#include "BufStream.h"
 class UchMessage;
 
-class UchBufStream : public UchStream {
-protected:
-	UchMsgBuffer	InBuffer;
-	UchMsgBuffer	OutBuffer;
-	int		OutSize;
-	bool		Sync;
-
-		UchBufStream (const UchBufStream&);
-	int		ReadInput ();
-	void		HandleWrite ();
-
-	void	WriteLong (lword);
-	void	WriteShort (sword);
-	void	WriteByte (byte);
-	void	WriteChar (char);
-	void	WriteString (const char*);
-	void	WriteBuf (const byte*, int);
-
-	
-	bool	ReadLong (lword&);
-	bool	ReadShort (sword&);
-	bool	ReadByte (byte&);
-	bool	ReadChar (char&);
-	int	ReadString (char*, int);
-	int	ReadString (CcuString&);
-	bool	ReadBuf (byte*, int);
-
-public:
-		UchBufStream (UchAddress* = 0, UchAddress* = 0);
-		~UchBufStream ();
-
-	void		InputBuffer (int min, int grow, int max);
-	void		OutputBuffer (int min, int grow, int max);
-inline	bool		GetSyncMode ()		{ return Sync; }
-inline	void		SetSyncMode (bool s)	{ Sync = s; Flush (); }
-inline	void		FlushSize (int n)		{ OutSize = n; }
-virtual	void		Flush ();
-
-virtual	void		Closing (bool);
-};
-
 class UchMsgStream : public UchBufStream {
 protected:
 enum	STATE		{ WAITING, GOT_TYPE, GOT_LENGTH, DONE};
 enum	TYPE		{ MSG = 1, ASK, ANS, SYNC, ASYNC, OK };
 	STATE		State;
 	bool		BufferedMessages;
-	UchMsgBuffer		Buffered;
+	UchMsgBuffer	Buffered;
 	bool		WaitingReply;
 	int		InLength;
 	byte		InType;
@@ -82,10 +39,10 @@ public:
 		~UchMsgStream ();
 
 	void		HandleRead ();
-virtual	UchMessage*		DecodeMessage (UchMsgBuffer&);
-virtual	UchMessage*		DecodeAnswer (UchMsgBuffer&);
+virtual	UchMessage*	DecodeMessage (UchMsgBuffer&);
+virtual	UchMessage*	DecodeAnswer (UchMsgBuffer&);
 	void		Send (UchMessage&, bool = false);
-	UchMessage*		Ask (UchMessage&);
+	UchMessage*	Ask (UchMessage&);
 	void		Reply (UchMessage&);
 	void		Send (UchMsgBuffer&, bool = false);
 };
-- 
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