mirror of
https://github.com/lunarmodules/luasocket.git
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f37e026026
Update Lua and Luasocket version in samples and in documentation Documented ipv5_v6only default option being set Documented tcp6 and udp6 Documented dns.getaddrinfo Documented zero-sized datagram change? Documented getoption
134 lines
4.0 KiB
HTML
134 lines
4.0 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="LuaSocket: Introduction to the core">
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<meta name="keywords" content="Lua, LuaSocket, TCP, UDP, Network, Support,
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Installation">
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<title>LuaSocket: Installation</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="index.html">home</a> ·
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<a href="index.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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<!-- installation ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
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<h2>Installation</h2>
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<p> LuaSocket 2.1.1-rc still uses Lua 5.1's package
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system. Users that have already made the switch to
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Lua 5.2 should leave the default
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<tt>LUA_COMPAT_MODULE</tt> defined when compiling their Lua
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distribution for compatibility with LuaSocket. </p>
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<p> Here we describe the standard distribution. If the
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standard doesn't meet your needs, we refer you to the Lua
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discussion list, where any question about the package scheme
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will likely already have been answered. </p>
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<h3>Directory structure</h3>
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<p> On Unix systems, the standard distribution uses two base
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directories, one for system dependent files, and another for system
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independent files. Let's call these directories <tt><CDIR></tt>
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and <tt><LDIR></tt>, respectively.
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For example, in my laptp, Lua 5.1 is configured to
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use '<tt>/usr/local/lib/lua/5.1</tt>' for
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<tt><CDIR></tt> and '<tt>/usr/local/share/lua/5.1</tt>' for
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<tt><LDIR></tt>. On Windows, <tt><CDIR></tt>
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usually points to the directory where the Lua executable is
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found, and <tt><LDIR></tt> points to a
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<tt>lua/</tt> directory inside <tt><CDIR></tt>. (These
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settings can be overridden by environment variables
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<tt>LUA_PATH</tt> and <tt>LUA_CPATH</tt>. See the Lua
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documentation for details.) Here is the standard LuaSocket
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distribution directory structure:</p>
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<pre class=example>
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<LDIR>/ltn12.lua
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<LDIR>/socket.lua
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<CDIR>/socket/core.dll
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<LDIR>/socket/http.lua
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<LDIR>/socket/tp.lua
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<LDIR>/socket/ftp.lua
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<LDIR>/socket/smtp.lua
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<LDIR>/socket/url.lua
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<LDIR>/mime.lua
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<CDIR>/mime/core.dll
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</pre>
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<p> Naturally, on Unix systems, <tt>core.dll</tt>
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would be replaced by <tt>core.so</tt>.
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</p>
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<h3>Using LuaSocket</h3>
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<p> With the above setup, and an interpreter with shared library support,
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it should be easy to use LuaSocket. Just fire the interpreter and use the
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<tt>require</tt> function to gain access to whatever module you need:</p>
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<pre class=example>
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Lua 5.1.5 Copyright (C) 1994-2012 Lua.org, PUC-Rio
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> socket = require("socket")
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> print(socket._VERSION)
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--> LuaSocket 2.1.1-rc1
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</pre>
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<p> Each module loads their dependencies automatically, so you only need to
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load the modules you directly depend upon: </p>
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<pre class=example>
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Lua 5.1.5 Copyright (C) 1994-2012 Lua.org, PUC-Rio
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> http = require("socket.http")
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> print(http.request("http://www.impa.br/~diego/software/luasocket"))
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--> homepage gets dumped to terminal
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</pre>
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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="index.html">home</a> ·
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<a href="index.html#down">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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Mon Apr 16 21:01:42 HKT 2012
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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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