mirror of
https://github.com/lunarmodules/luasocket.git
synced 2024-12-26 04:28:20 +01:00
247 lines
7.8 KiB
HTML
247 lines
7.8 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
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"http://www.w3.org/TR/html4/strict.dtd">
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<html>
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<head>
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<meta name="description" content="The LuaSocket Homepage">
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<meta name="keywords" content="Lua, LuaSocket, Network, Library, Support, Internet">
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<title>LuaSocket: Network support for the Lua language </title>
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<link rel="stylesheet" href="reference.css" type="text/css">
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</head>
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<body>
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<!-- header +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
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<div class=header>
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<hr>
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<center>
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<table summary="LuaSocket logo">
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<tr><td align=center><a href="http://www.lua.org">
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<img width=128 height=128 border=0 alt="LuaSocket" src="luasocket.png">
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</a></td></tr>
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<tr><td align=center valign=top>Network support for the Lua language
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</td></tr>
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</table>
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<p class=bar>
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<a href="home.html">home</a> ·
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<a href="home.html#download">download</a> ·
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<a href="installation.html">installation</a> ·
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<a href="introduction.html">introduction</a> ·
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<a href="reference.html">reference</a>
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</p>
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</center>
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<hr>
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</div>
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<!-- whatis +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
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<h2 id=whatis>What is LuaSocket?</h2>
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<p>
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LuaSocket is a <a href="http://www.lua.org">Lua</a> extension library
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that is composed by two parts: a C core that provides support for the TCP
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and UDP transport layers, and a set of Lua modules that add support for
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functionality commonly needed by applications that deal with the Internet.
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</p>
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<p>
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The core support has been implemented so that it is both efficient and
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simple to use. It is available to any Lua application once it has been
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properly initialized by the interpreter in use. The code has been tested
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and runs well on several Windows and Unix platforms. </p>
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<p>
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Among the support modules, the most commonly used implement the
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<a href=smtp.html>SMTP</a>
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(sending e-mails),
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<a href=http.html>HTTP</a>
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(WWW access) and
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<a href=ftp.html>FTP</a>
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(uploading and downloading files) client
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protocols. These provide a very natural and generic interface to the
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functionality defined by each protocol.
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In addition, you will find that the
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<a href=mime.html>MIME</a> (common encodings),
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<a href=url.html>URL</a>
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(anything you could possible want to do with one) and
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<a href=ltn12.html>LTN12</a>
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(filters, sinks, sources and pumps) modules can be very handy.
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</p>
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<p>
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The library is available under the same
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<a href="http://www.lua.org/copyright.html">
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terms and conditions</a> as the Lua language, the MIT license. The idea is
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that if you can use Lua in a project, you should also be able to use
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LuaSocket.
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</p>
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<p>
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Copyright © 2004 Diego Nehab. All rights reserved. <br>
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Author: <A href="http://www.cs.princeton.edu/~diego">Diego Nehab</a>
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</p>
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<!-- download +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
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<h2 id=download>Download</h2>
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<p>
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LuaSocket version 2.0 (beta3) is now available for download! It is
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compatible with Lua 5.0 and has been tested on
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Windows XP, Linux, and Mac OS X.
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</p>
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<p>
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The library can be downloaded in source code from the following links:
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</p>
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<blockquote>
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<p>
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<a href="luasocket-2.0-beta3.tar.gz">luasocket-2.0-beta3.tar.gz</a> <br>
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<a href="luasocket-2.0-beta3.zip">luasocket-2.0-beta3.zip</a>
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</p>
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</blockquote>
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<p>
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Besides the full C and Lua source code for the library, the distribution
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contains several examples, this user's manual and basic test procedures.
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</p>
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<p>
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I am also providing PC Win32 binaries for those that want to give
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LuaSocket a try (Those on Unix or Mac OS X can just type <tt>make</tt>):
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</p>
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<blockquote>
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<p>
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<a href="luasocket-2.0-beta3-win32.zip">luasocket-2.0-beta3-win32.zip</a>
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</p>
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</blockquote>
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<p>
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The quick and dirty way to use these binaries is to unpack everything into a
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directory, say <tt>c:\luasocket</tt> (include all Lua files from the
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LuaSocket distribution in the same directory too!).
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Then set <tt>LUA_INIT</tt> to load the <tt>compat-5.1.lua</tt> and set
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<tt>LUA_PATH</tt> and <tt>LUA_CPATH</tt> to look for files in the current
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directory:
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</p>
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<pre class=example>
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c:\luasocket\> set LUA_INIT=@c:\luasocket\compat-5.1.lua
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c:\luasocket\> set LUA_CPATH=?.dll
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c:\luasocket\> set LUA_PATH=?.lua
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</pre>
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<p>
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From that directory, you can then run the interpreter and it should find all
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files it needs. To download this manual page from the Internet, for example,
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do the following:
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</p>
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<pre class=example>
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c:\luasocket\> lua
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Lua 5.0.2 Copyright (C) 1994-2004 Tecgraf, PUC-Rio
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> http = require"http"
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> print(http.request"http://www.tecgraf.puc-rio.br/luasocket/")
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--> the source to this web page gets dumped to terminal
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</pre>
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<p> When you are done playing, take a look at the
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<a href=installation.html>installation</a> section of the manual to find out
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how to properly install the library. </p>
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<!-- thanks +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
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<h2 id=thanks>Special thanks</h2>
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<p>
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Throughout LuaSocket's history, many people gave suggestions that helped
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improve it. For that, I thank the Lua community.
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Special thanks go to
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David Burgess, who has helped push the library to a new level of quality and
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from whom I have learned a lot of stuff that doesn't show up in RFCs.
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Special thanks also to Carlos Cassino, who played a big part in the
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extensible design seen in the C core of LuaSocket 2.0. Recently, Mike Pall
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has been helping a lot too! Thanks to you all!
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</p>
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<!-- whatsnew +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
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<h2 id=new>What's New</h2>
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<p>
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The big change for the 2.0 (beta3) release was the adoption of the Lua 5.1
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package proposal. Naturally, there were a few bug fixes (a beta is a
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beta, is a beta).
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</p>
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<ul>
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<li> New compat-5.1 distribution:
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<ul>
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<li> Installation uses new directory structure;
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<li> Namespace hierarchy is in now back in use (ex. <tt>socket.url</tt>
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instead of <tt>url</tt>);
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<li> Globals not visible from inside namespaces;
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<li> All modules call <tt>require</tt> even for standard libraries;
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</ul>
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<li> LTN12 avoids coroutines (so you can go wild on the C side);
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<li> Kludge on wsocket.c:sock_send for windows timeout issue
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moved to buffer.c:sendraw;
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<li> <tt>socket.protect </tt>only catches errors thrown by <tt>socket.try</tt>;
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<li> Fixed <tt>udp:sendto</tt> to call <tt>sock_sendto</tt> instead of
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<tt>sock_send</tt>;
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<li> <tt>close</tt> wasn't returning 1!
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<li> <tt>socket.gettime</tt> returns time since Unix Epoch 1/1/1970 (UTC);
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<li> <tt>socket.sleep</tt> is robust to interrupts;
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<li> <tt>socket.select</tt> wasn't calling <tt>tm_markstart</tt>;
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<li> <tt>http.PROXY</tt> wasn't working;
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<li> <tt>url.escape</tt> escapes only dangerous characters.
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</ul>
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<!-- incompatible +++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
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<h3 id=incompatible>Incompatibilities with previous versions</h3>
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<ul>
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<li> Namespaces are hierarchical again. This means that whoever used to
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call <tt>require("url")</tt> should update their code to
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<tt>require("socket.url")</tt>.
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</ul>
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<!-- old ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
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<h2 id=old>Old Versions</h2>
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<p>
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All previous versions of the LuaSocket library can be downloaded
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<a href="http://www.tecgraf.puc-rio.br/luasocket/old">here</a>. Although
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these versions are no longer supported, they are still available for
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those that have compatibility issues.
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</p>
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<!-- footer +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
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<div class=footer>
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<hr>
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<center>
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<p class=bar>
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<a href="home.html#down">download</a> ·
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<a href="home.html#download">download</a> ·
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<a href="installation.html">installation</a> ·
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<a href="introduction.html">introduction</a> ·
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<a href="reference.html">reference</a>
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</p>
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<p>
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<small>
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Last modified by Diego Nehab on <br>
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Sun Nov 28 03:19:00 EST 2004
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</small>
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</p>
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</center>
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</div>
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</body>
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</html>
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