Mercurial > luasocket
comparison doc/dns.html @ 0:4b915342e2a8
LuaSocket 2.0.2 + CMake build description.
| author | Eric Wing <ewing . public |-at-| gmail . com> |
|---|---|
| date | Tue, 26 Aug 2008 18:40:01 -0700 |
| parents | |
| children |
comparison
equal
deleted
inserted
replaced
| -1:000000000000 | 0:4b915342e2a8 |
|---|---|
| 1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" | |
| 2 "http://www.w3.org/TR/html4/strict.dtd"> | |
| 3 <html> | |
| 4 | |
| 5 <head> | |
| 6 <meta name="description" content="LuaSocket: DNS support"> | |
| 7 <meta name="keywords" content="Lua, LuaSocket, DNS, Network, Library, Support"> | |
| 8 <title>LuaSocket: DNS support</title> | |
| 9 <link rel="stylesheet" href="reference.css" type="text/css"> | |
| 10 </head> | |
| 11 | |
| 12 <body> | |
| 13 | |
| 14 <!-- header +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ --> | |
| 15 | |
| 16 <div class=header> | |
| 17 <hr> | |
| 18 <center> | |
| 19 <table summary="LuaSocket logo"> | |
| 20 <tr><td align=center><a href="http://www.lua.org"> | |
| 21 <img width=128 height=128 border=0 alt="LuaSocket" src="luasocket.png"> | |
| 22 </a></td></tr> | |
| 23 <tr><td align=center valign=top>Network support for the Lua language | |
| 24 </td></tr> | |
| 25 </table> | |
| 26 <p class=bar> | |
| 27 <a href="home.html">home</a> · | |
| 28 <a href="home.html#download">download</a> · | |
| 29 <a href="installation.html">installation</a> · | |
| 30 <a href="introduction.html">introduction</a> · | |
| 31 <a href="reference.html">reference</a> | |
| 32 </p> | |
| 33 </center> | |
| 34 <hr> | |
| 35 </div> | |
| 36 | |
| 37 <!-- dns ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ --> | |
| 38 | |
| 39 <h2 id=dns>DNS</h2> | |
| 40 | |
| 41 <p> | |
| 42 Name resolution functions return <em>all</em> information obtained from the | |
| 43 resolver in a table of the form: | |
| 44 </p> | |
| 45 | |
| 46 <blockquote><tt> | |
| 47 resolved = {<br> | |
| 48 name = <i>canonic-name</i>,<br> | |
| 49 alias = <i>alias-list</i>,<br> | |
| 50 ip = <i>ip-address-list</i><br> | |
| 51 } | |
| 52 </tt> </blockquote> | |
| 53 | |
| 54 <p> | |
| 55 Note that the <tt>alias</tt> list can be empty. | |
| 56 </p> | |
| 57 | |
| 58 <!-- gethostname ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ --> | |
| 59 | |
| 60 <p class=name id=gethostname> | |
| 61 socket.dns.<b>gethostname()</b> | |
| 62 </p> | |
| 63 | |
| 64 <p class=description> | |
| 65 Returns the standard host name for the machine as a string. | |
| 66 </p> | |
| 67 | |
| 68 <!-- tohostname +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ --> | |
| 69 | |
| 70 <p class=name id=tohostname> | |
| 71 socket.dns.<b>tohostname(</b>address<b>)</b> | |
| 72 </p> | |
| 73 | |
| 74 <p class=description> | |
| 75 Converts from IP address to host name. | |
| 76 </p> | |
| 77 | |
| 78 <p class=parameters> | |
| 79 <tt>Address</tt> can be an IP address or host name. | |
| 80 </p> | |
| 81 | |
| 82 <p class=return> | |
| 83 The function returns a string with the canonic host name of the given | |
| 84 <tt>address</tt>, followed by a table with all information returned by | |
| 85 the resolver. In case of error, the function returns <b><tt>nil</tt></b> | |
| 86 followed by an error message. | |
| 87 </p> | |
| 88 | |
| 89 <!-- toip +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ --> | |
| 90 | |
| 91 <p class=name id=toip> | |
| 92 socket.dns.<b>toip(</b>address<b>)</b> | |
| 93 </p> | |
| 94 | |
| 95 <p class=description> | |
| 96 Converts from host name to IP address. | |
| 97 </p> | |
| 98 | |
| 99 <p class=parameters> | |
| 100 <tt>Address</tt> can be an IP address or host name. | |
| 101 </p> | |
| 102 | |
| 103 <p class=return> | |
| 104 Returns a string with the first IP address found for <tt>address</tt>, | |
| 105 followed by a table with all information returned by the resolver. | |
| 106 In case of error, the function returns <b><tt>nil</tt></b> followed by an error | |
| 107 message. | |
| 108 </p> | |
| 109 | |
| 110 <!-- footer +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ --> | |
| 111 | |
| 112 <div class=footer> | |
| 113 <hr> | |
| 114 <center> | |
| 115 <p class=bar> | |
| 116 <a href="home.html">home</a> · | |
| 117 <a href="home.html#down">download</a> · | |
| 118 <a href="installation.html">installation</a> · | |
| 119 <a href="introduction.html">introduction</a> · | |
| 120 <a href="reference.html">reference</a> | |
| 121 </p> | |
| 122 <p> | |
| 123 <small> | |
| 124 Last modified by Diego Nehab on <br> | |
| 125 Thu Apr 20 00:25:07 EDT 2006 | |
| 126 </small> | |
| 127 </p> | |
| 128 </center> | |
| 129 </div> | |
| 130 | |
| 131 </body> | |
| 132 </html> |