libwww/Library/src/HTReader.html - diff

Return to HTReader.html CVS log

Up to [Public] / libwww / Library / src

Diff for /libwww/Library/src/HTReader.html between versions 2.2 and 2.3

version 2.2, 1996/04/14 01:23:20	version 2.3, 1996/05/20 15:07:08
Line 1	Line 1
<HTML>	<HTML>
<HEAD>	<HEAD>
<TITLE>W3C Reference Library Socket Read Stream</TITLE>	<!-- Changed by: Henrik Frystyk Nielsen, 12-Apr-1996 -->
<!-- Changed by: Henrik Frystyk Nielsen, 12-Apr-1996 -->	<NEXTID N="z18">
<NEXTID N="z18">	<TITLE>W3C Reference Library Socket Reader Stream</TITLE>
</HEAD>	</HEAD>
<BODY>	<BODY>
	<H1>
<H1>Manages Read and Write to and from the Network</H1>	Socket Reader Stream
	</H1>
<PRE>	<PRE>
/*	/*
** (c) COPYRIGHT MIT 1995.	** (c) COPYRIGHT MIT 1995.
** Please first read the full copyright statement in the file COPYRIGH.	** Please first read the full copyright statement in the file COPYRIGH.
*/	*/
</PRE>	</PRE>
	<P>
This module defines the read and write functions to and from the	The Socket Reader Stream is an <A HREF="HTIOStream.html">input stream
network. As we are having reentrant function and a smarter network I/O	</A> which knows how to read from a BSD type socket. It is part
this will get very small :-) <P>	of the <A HREF="WWWTrans.html">Transport interface </A>and may be registered
	as part of a <A HREF="HTTrans.html">Transport Object</A>. The application
This module is implemented by <A HREF="HTReader.c">HTReader.c</A>, and	can initialize this stream together with the
it is a part of the <A HREF="http://www.w3.org/pub/WWW/Library/"> W3C	<A HREF="HTWriter.html">HTWriter stream</A>, for example. In the
Reference Library</A>.	<A HREF="HTInit.html">default initialization module</A>, you can find the
	<CODE>HTTransportInit()</CODE> function which sets up this stream as a default
	transport for handling socket read operations.
	<P>
	This module is implemented by <A HREF="HTReader.c">HTReader.c</A>, and it
	is a part of the <A HREF="http://www.w3.org/pub/WWW/Library/"> W3C Reference
	Library</A>.
<PRE>	<PRE>
#ifndef HTREADER_H	#ifndef HTREADER_H
#define HTREADER_H	#define HTREADER_H

#include <A HREF="HTIOStream.html">"HTIOStream.h"</A>	#include <A HREF="HTIOStream.html">"HTIOStream.h"</A>
</PRE>	</PRE>
	<H2>
<H2>Input Buffering</H2>	Input Buffering
	</H2>
In order to optimize reading a channel, we bind a buffer to each	<P>
channel object. The size of this buffer is a compromise between speed	In order to optimize reading a channel, we bind a buffer to each channel
and memory. Here it is chosen as the default TCP High Water Mark	object. The size of this buffer is a compromise between speed and memory.
(sb_hiwat) for receiving data. By default, we have chosen a value that	Here it is chosen as the default TCP High Water Mark (sb_hiwat) for receiving
equals the normal TCP High Water Mark (sb_hiwat) for receiving data.	data. By default, we have chosen a value that equals the normal TCP High
	Water Mark (sb_hiwat) for receiving data.
<PRE>	<PRE>
#define INPUT_BUFFER_SIZE 8192	#define INPUT_BUFFER_SIZE 8192
</PRE>	</PRE>
	<H2>
<H2>Read Stream</H2>	Read Stream
	</H2>

<PRE>	<PRE>
extern HTInput_new HTReader_new;	extern HTInput_new HTReader_new;
</PRE>	</PRE>

<PRE>	<PRE>
#endif	#endif
</PRE>	</PRE>

<P>	<P>
<HR>	<HR>
<ADDRESS>	<ADDRESS>
@(#) $Id$	@(#) $Id$
</ADDRESS>	</ADDRESS>
</BODY>	</BODY></HTML>
</HTML>

Webmaster

Removed from v.2.2
changed lines
	Added in v.2.3