luci/docs/api/modules/luci.sys.html
Jo-Philipp Wich baa727de93 docs: rename documentation folder to docs
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2019-11-05 10:42:54 +01:00

641 lines
8.6 KiB
HTML

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head>
<title>Reference</title>
<link rel="stylesheet" href="../luadoc.css" type="text/css" />
<!--meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/-->
</head>
<body>
<div id="container">
<div id="product">
<div id="product_logo"></div>
<div id="product_name"><big><b></b></big></div>
<div id="product_description"></div>
</div> <!-- id="product" -->
<div id="main">
<div id="navigation">
<h1>LuaDoc</h1>
<ul>
<li><a href="../index.html">Index</a></li>
</ul>
<!-- Module list -->
<h1>Modules</h1>
<ul>
<li>
<a href="../modules/luci.dispatcher.html">luci.dispatcher</a>
</li>
<li>
<a href="../modules/luci.http.html">luci.http</a>
</li>
<li>
<a href="../modules/luci.http.conditionals.html">luci.http.conditionals</a>
</li>
<li>
<a href="../modules/luci.http.date.html">luci.http.date</a>
</li>
<li>
<a href="../modules/luci.http.mime.html">luci.http.mime</a>
</li>
<li>
<a href="../modules/luci.i18n.html">luci.i18n</a>
</li>
<li>
<a href="../modules/luci.ip.html">luci.ip</a>
</li>
<li>
<a href="../modules/luci.ip.cidr.html">luci.ip.cidr</a>
</li>
<li>
<a href="../modules/luci.json.html">luci.json</a>
</li>
<li>
<a href="../modules/luci.jsonc.html">luci.jsonc</a>
</li>
<li>
<a href="../modules/luci.jsonc.parser.html">luci.jsonc.parser</a>
</li>
<li>
<a href="../modules/luci.model.ipkg.html">luci.model.ipkg</a>
</li>
<li>
<a href="../modules/luci.model.uci.html">luci.model.uci</a>
</li>
<li>
<a href="../modules/luci.rpcc.html">luci.rpcc</a>
</li>
<li>
<a href="../modules/luci.rpcc.ruci.html">luci.rpcc.ruci</a>
</li>
<li><strong>luci.sys</strong></li>
<li>
<a href="../modules/luci.sys.init.html">luci.sys.init</a>
</li>
<li>
<a href="../modules/luci.sys.iptparser.html">luci.sys.iptparser</a>
</li>
<li>
<a href="../modules/luci.sys.net.html">luci.sys.net</a>
</li>
<li>
<a href="../modules/luci.sys.process.html">luci.sys.process</a>
</li>
<li>
<a href="../modules/luci.sys.user.html">luci.sys.user</a>
</li>
<li>
<a href="../modules/luci.sys.wifi.html">luci.sys.wifi</a>
</li>
<li>
<a href="../modules/luci.util.html">luci.util</a>
</li>
<li>
<a href="../modules/nixio.html">nixio</a>
</li>
<li>
<a href="../modules/nixio.CHANGELOG.html">nixio.CHANGELOG</a>
</li>
<li>
<a href="../modules/nixio.CryptoHash.html">nixio.CryptoHash</a>
</li>
<li>
<a href="../modules/nixio.File.html">nixio.File</a>
</li>
<li>
<a href="../modules/nixio.README.html">nixio.README</a>
</li>
<li>
<a href="../modules/nixio.Socket.html">nixio.Socket</a>
</li>
<li>
<a href="../modules/nixio.TLSContext.html">nixio.TLSContext</a>
</li>
<li>
<a href="../modules/nixio.TLSSocket.html">nixio.TLSSocket</a>
</li>
<li>
<a href="../modules/nixio.UnifiedIO.html">nixio.UnifiedIO</a>
</li>
<li>
<a href="../modules/nixio.bin.html">nixio.bin</a>
</li>
<li>
<a href="../modules/nixio.bit.html">nixio.bit</a>
</li>
<li>
<a href="../modules/nixio.crypto.html">nixio.crypto</a>
</li>
<li>
<a href="../modules/nixio.fs.html">nixio.fs</a>
</li>
</ul>
<!-- File list -->
</div><!-- id="navigation" -->
<div id="content">
<h1>Class <code>luci.sys</code></h1>
<p></p>
<h2>Functions</h2>
<table class="function_list">
<tr>
<td class="name" nowrap><a href="#call">call</a>&nbsp;(...)</td>
<td class="summary">
Execute a given shell command and return the error code
</td>
</tr>
<tr>
<td class="name" nowrap><a href="#dmesg">dmesg</a>&nbsp;()</td>
<td class="summary">
Retrieves the output of the "dmesg" command.</td>
</tr>
<tr>
<td class="name" nowrap><a href="#exec">exec</a>&nbsp;(command)</td>
<td class="summary">
Execute a given shell command and capture its standard output
</td>
</tr>
<tr>
<td class="name" nowrap><a href="#getenv">getenv</a>&nbsp;(var)</td>
<td class="summary">
Retrieve environment variables.</td>
</tr>
<tr>
<td class="name" nowrap><a href="#hostname">hostname</a>&nbsp;(String)</td>
<td class="summary">
Get or set the current hostname.</td>
</tr>
<tr>
<td class="name" nowrap><a href="#httpget">httpget</a>&nbsp;(url, stream, target)</td>
<td class="summary">
Returns the contents of a documented referred by an URL.</td>
</tr>
<tr>
<td class="name" nowrap><a href="#mounts">mounts</a>&nbsp;()</td>
<td class="summary">
Retrieve information about currently mounted file systems.</td>
</tr>
<tr>
<td class="name" nowrap><a href="#reboot">reboot</a>&nbsp;()</td>
<td class="summary">
Initiate a system reboot.</td>
</tr>
<tr>
<td class="name" nowrap><a href="#syslog">syslog</a>&nbsp;()</td>
<td class="summary">
Retrieves the output of the "logread" command.</td>
</tr>
<tr>
<td class="name" nowrap><a href="#uniqueid">uniqueid</a>&nbsp;(bytes)</td>
<td class="summary">
Generates a random id with specified length.</td>
</tr>
<tr>
<td class="name" nowrap><a href="#uptime">uptime</a>&nbsp;()</td>
<td class="summary">
Returns the current system uptime stats.</td>
</tr>
</table>
<br/>
<br/>
<h2><a name="functions"></a>Functions</h2>
<dl class="function">
<dt><a name="call"></a><strong>call</strong>&nbsp;(...)</dt>
<dd>
Execute a given shell command and return the error code
<h3>Parameters</h3>
<ul>
<li>
...: Command to call
</li>
</ul>
<h3>Return value:</h3>
Error code of the command
</dd>
<dt><a name="dmesg"></a><strong>dmesg</strong>&nbsp;()</dt>
<dd>
Retrieves the output of the "dmesg" command.
<h3>Return value:</h3>
String containing the current log buffer
</dd>
<dt><a name="exec"></a><strong>exec</strong>&nbsp;(command)</dt>
<dd>
Execute a given shell command and capture its standard output
<h3>Parameters</h3>
<ul>
<li>
command: Command to call
</li>
</ul>
<h3>Return value:</h3>
String containing the return the output of the command
</dd>
<dt><a name="getenv"></a><strong>getenv</strong>&nbsp;(var)</dt>
<dd>
Retrieve environment variables. If no variable is given then a table
containing the whole environment is returned otherwise this function returns
the corresponding string value for the given name or nil if no such variable
exists.
<h3>Parameters</h3>
<ul>
<li>
var: Name of the environment variable to retrieve (optional)
</li>
</ul>
<h3>Return values:</h3>
<ol>
<li>String containing the value of the specified variable
<li>Table containing all variables if no variable name is given
</ol>
</dd>
<dt><a name="hostname"></a><strong>hostname</strong>&nbsp;(String)</dt>
<dd>
Get or set the current hostname.
<h3>Parameters</h3>
<ul>
<li>
String: containing a new hostname to set (optional)
</li>
</ul>
<h3>Return value:</h3>
String containing the system hostname
</dd>
<dt><a name="httpget"></a><strong>httpget</strong>&nbsp;(url, stream, target)</dt>
<dd>
Returns the contents of a documented referred by an URL.
<h3>Parameters</h3>
<ul>
<li>
url: The URL to retrieve
</li>
<li>
stream: Return a stream instead of a buffer
</li>
<li>
target: Directly write to target file name
</li>
</ul>
<h3>Return value:</h3>
String containing the contents of given the URL
</dd>
<dt><a name="mounts"></a><strong>mounts</strong>&nbsp;()</dt>
<dd>
Retrieve information about currently mounted file systems.
<h3>Return value:</h3>
Table containing mount information
</dd>
<dt><a name="reboot"></a><strong>reboot</strong>&nbsp;()</dt>
<dd>
Initiate a system reboot.
<h3>Return value:</h3>
Return value of os.execute()
</dd>
<dt><a name="syslog"></a><strong>syslog</strong>&nbsp;()</dt>
<dd>
Retrieves the output of the "logread" command.
<h3>Return value:</h3>
String containing the current log buffer
</dd>
<dt><a name="uniqueid"></a><strong>uniqueid</strong>&nbsp;(bytes)</dt>
<dd>
Generates a random id with specified length.
<h3>Parameters</h3>
<ul>
<li>
bytes: Number of bytes for the unique id
</li>
</ul>
<h3>Return value:</h3>
String containing hex encoded id
</dd>
<dt><a name="uptime"></a><strong>uptime</strong>&nbsp;()</dt>
<dd>
Returns the current system uptime stats.
<h3>Return value:</h3>
String containing total uptime in seconds
</dd>
</dl>
</div> <!-- id="content" -->
</div> <!-- id="main" -->
<div id="about">
<p><a href="http://validator.w3.org/check?uri=referer"><img src="http://www.w3.org/Icons/valid-xhtml10" alt="Valid XHTML 1.0!" height="31" width="88" /></a></p>
</div> <!-- id="about" -->
</div> <!-- id="container" -->
</body>
</html>