luasocket/doc/index.html
2011-05-25 20:57:22 +00:00

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta name="description" content="The LuaSocket Homepage">
<meta name="keywords" content="Lua, LuaSocket, Network, Library, Support, Internet">
<title>LuaSocket: Network support for the Lua language </title>
<link rel="stylesheet" href="reference.css" type="text/css">
</head>
<body>
<!-- header +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
<div class=header>
<hr>
<center>
<table summary="LuaSocket logo">
<tr><td align=center><a href="http://www.lua.org">
<img width=128 height=128 border=0 alt="LuaSocket" src="luasocket.png">
</a></td></tr>
<tr><td align=center valign=top>Network support for the Lua language
</td></tr>
</table>
<p class=bar>
<a href="index.html">home</a> &middot;
<a href="index.html#download">download</a> &middot;
<a href="installation.html">installation</a> &middot;
<a href="introduction.html">introduction</a> &middot;
<a href="reference.html">reference</a>
</p>
</center>
<hr>
</div>
<!-- whatis +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
<h2 id=whatis>What is LuaSocket?</h2>
<p>
LuaSocket is a <a href="http://www.lua.org">Lua</a> extension library
that is composed by two parts: a C core that provides support for the TCP
and UDP transport layers, and a set of Lua modules that add support for
functionality commonly needed by applications that deal with the Internet.
</p>
<p>
The core support has been implemented so that it is both efficient and
simple to use. It is available to any Lua application once it has been
properly initialized by the interpreter in use. The code has been tested
and runs well on several Windows and Unix platforms. </p>
<p>
Among the support modules, the most commonly used implement the
<a href=smtp.html>SMTP</a>
(sending e-mails),
<a href=http.html>HTTP</a>
(WWW access) and
<a href=ftp.html>FTP</a>
(uploading and downloading files) client
protocols. These provide a very natural and generic interface to the
functionality defined by each protocol.
In addition, you will find that the
<a href=mime.html>MIME</a> (common encodings),
<a href=url.html>URL</a>
(anything you could possible want to do with one) and
<a href=ltn12.html>LTN12</a>
(filters, sinks, sources and pumps) modules can be very handy.
</p>
<p>
The library is available under the same
<a href="http://www.lua.org/copyright.html">
terms and conditions</a> as the Lua language, the MIT license. The idea is
that if you can use Lua in a project, you should also be able to use
LuaSocket.
</p>
<p>
Copyright &copy; 2004-2007 Diego Nehab. All rights reserved. <br>
Author: <A href="http://www.cs.princeton.edu/~diego">Diego Nehab</a>
</p>
<!-- download +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
<h2 id=download>Download</h2>
<p>
LuaSocket version 2.0.3 is now available for download! It is
compatible with Lua&nbsp;5.1, and has
been tested on Windows&nbsp;XP, Linux, and Mac OS X. Chances
are it works well on most UNIX distributions and Windows flavors.
</p>
<p>
The library can be downloaded in source code from the
<a href=http://luaforge.net/projects/luasocket/>LuaSocket
project page</a> at LuaForge.
Besides the full C and Lua source code for the library, the distribution
contains several examples, this user's manual and basic test procedures.
</p>
<p>
Danilo Tuler is maintaining Win32 binaries for LuaSocket, which are also
available from LuaForge. These are compatible with the
<a href=http://luaforge.net/projects/luabinaries>LuaBinaries</a>,
also available from LuaForge.
</p>
<p> Take a look at the <a
href=installation.html>installation</a> section of the
manual to find out how to properly install the library.
</p>
<!-- thanks +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
<h2 id=thanks>Special thanks</h2>
<p>
Throughout LuaSocket's history, many people gave suggestions
that helped improve it. For that, I thank the Lua community.
Special thanks go to David Burgess, who has helped push the
library to a new level of quality and from whom I have
learned a lot of stuff that doesn't show up in RFCs.
Special thanks also to Carlos Cassino, who played a big part
in the extensible design seen in the C core of LuaSocket
2.0. Mike Pall has been helping a lot too! Thanks to you
all!
</p>
<!-- whatsnew +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
<h2 id=new>What's New</h2>
<p>
2.0.3 is just a bug-fix/update release.
</p>
<ul>
<li> Fixed: manual sample of HTTP authentication now uses correct
"authorization" header (Alexandre Ittner);
<li> Fixed: receive() returns immediatelly if prefix can satisfy
bytes requested (M Joonas Pihlaja);
<li> Fixed: multicast didn't work on Windows, or anywhere
else for that matter (Herbert Leuwer, Adrian Sietsma);
<li> Fixed: select() now reports an error when called with more
sockets than FD_SETSIZE (Lorenzo Leonini);
<li> Fixed: manual links to home.html changed to index.html (Robert Hahn);
<li> Fixed: mime.unb64() would return an empty string on results that started
with a null character (Robert Raschke);
<li> Fixed: HTTP now automatically redirects on 303 and 307 (Jonathan Gray);
<li> Fixed: calling sleep() with negative numbers could
block forever, wasting CPU. Now it returns immediately (MPB);
<li> Improved: FTP commands are now sent in upper case to
help buggy servers (Anders Eurenius);
<li> Improved: known headers now sent in canonic
capitalization to help buggy servers (Joseph Stewart);
<li> Improved: Clarified tcp:receive() in the manual (MPB);
<li> Improved: Decent makefiles (LHF).
</ul>
<!-- old ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
<h2 id=old>Old Versions</h2>
<p>
All previous versions of the LuaSocket library can be downloaded <a
href="http://www.cs.princeton.edu/~diego/professional/luasocket/old">
here</a>. Although these versions are no longer supported, they are
still available for those that have compatibility issues.
</p>
<!-- footer +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
<div class=footer>
<hr>
<center>
<p class=bar>
<a href="index.html#download">download</a> &middot;
<a href="installation.html">installation</a> &middot;
<a href="introduction.html">introduction</a> &middot;
<a href="reference.html">reference</a>
</p>
<p>
<small>
Last modified by Diego Nehab on <br>
Wed Oct 3 02:07:59 BRT 2007
</small>
</p>
</center>
</div>
</body>
</html>