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<title>The EventDnsBase class</title>
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<h1 class="title">The EventDnsBase class</h1>
<div class="partintro"><p class="verinfo">(PECL event >= 1.2.6-beta)</p>
<div class="section" id="eventdnsbase.intro">
<h2 class="title">Introduction</h2>
<p class="para">
Represents Libevent's DNS base structure. Used to resolve DNS
asyncronously, parse configuration files like resolv.conf etc.
</p>
</div>
<div class="section" id="eventdnsbase.synopsis">
<h2 class="title">Class synopsis</h2>
<div class="classsynopsis">
<div class="ooclass">
</div>
<div class="classsynopsisinfo">
<span class="ooclass">
<span class="modifier">final</span>
<strong class="classname">EventDnsBase</strong>
</span>
{</div>
<div class="classsynopsisinfo classsynopsisinfo_comment">/* Constants */</div>
<div class="fieldsynopsis">
<span class="modifier">const</span>
<span class="type">integer</span>
<var class="fieldsynopsis_varname"><a href="class.eventdnsbase.html#eventdnsbase.constants.option-search"><var class="varname">OPTION_SEARCH</var></a></var>
<span class="initializer"> = 1</span>
;</div>
<div class="fieldsynopsis">
<span class="modifier">const</span>
<span class="type">integer</span>
<var class="fieldsynopsis_varname"><a href="class.eventdnsbase.html#eventdnsbase.constants.option-nameservers"><var class="varname">OPTION_NAMESERVERS</var></a></var>
<span class="initializer"> = 2</span>
;</div>
<div class="fieldsynopsis">
<span class="modifier">const</span>
<span class="type">integer</span>
<var class="fieldsynopsis_varname"><a href="class.eventdnsbase.html#eventdnsbase.constants.option-misc"><var class="varname">OPTION_MISC</var></a></var>
<span class="initializer"> = 4</span>
;</div>
<div class="fieldsynopsis">
<span class="modifier">const</span>
<span class="type">integer</span>
<var class="fieldsynopsis_varname"><a href="class.eventdnsbase.html#eventdnsbase.constants.option-hostsfile"><var class="varname">OPTION_HOSTSFILE</var></a></var>
<span class="initializer"> = 8</span>
;</div>
<div class="fieldsynopsis">
<span class="modifier">const</span>
<span class="type">integer</span>
<var class="fieldsynopsis_varname"><a href="class.eventdnsbase.html#eventdnsbase.constants.options-all"><var class="varname">OPTIONS_ALL</var></a></var>
<span class="initializer"> = 15</span>
;</div>
<div class="classsynopsisinfo classsynopsisinfo_comment">/* Methods */</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span>
<span class="type">bool</span>
<span class="methodname"><a href="eventdnsbase.addnameserverip.html" class="methodname">addNameserverIp</a></span>
( <span class="methodparam">
<span class="type">string</span>
<code class="parameter">$ip</code>
</span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span>
<span class="type">void</span>
<span class="methodname"><a href="eventdnsbase.addsearch.html" class="methodname">addSearch</a></span>
( <span class="methodparam">
<span class="type">string</span>
<code class="parameter">$domain</code>
</span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span>
<span class="type">void</span>
<span class="methodname"><a href="eventdnsbase.clearsearch.html" class="methodname">clearSearch</a></span>
( <span class="methodparam">void</span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span>
<span class="methodname"><a href="eventdnsbase.construct.html" class="methodname">__construct</a></span>
( <span class="methodparam">
<span class="type"><a href="class.eventbase.html" class="type EventBase">EventBase</a></span>
<code class="parameter">$base</code>
</span>
, <span class="methodparam">
<span class="type">bool</span>
<code class="parameter">$initialize</code>
</span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span>
<span class="type">void</span>
<span class="methodname"><a href="eventdnsbase.countnameservers.html" class="methodname">countNameservers</a></span>
( <span class="methodparam">void</span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span>
<span class="type">bool</span>
<span class="methodname"><a href="eventdnsbase.loadhosts.html" class="methodname">loadHosts</a></span>
( <span class="methodparam">
<span class="type">string</span>
<code class="parameter">$hosts</code>
</span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span>
<span class="type">bool</span>
<span class="methodname"><a href="eventdnsbase.parseresolvconf.html" class="methodname">parseResolvConf</a></span>
( <span class="methodparam">
<span class="type">int</span>
<code class="parameter">$flags</code>
</span>
, <span class="methodparam">
<span class="type">string</span>
<code class="parameter">$filename</code>
</span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span>
<span class="type">bool</span>
<span class="methodname"><a href="eventdnsbase.setoption.html" class="methodname">setOption</a></span>
( <span class="methodparam">
<span class="type">string</span>
<code class="parameter">$option</code>
</span>
, <span class="methodparam">
<span class="type">string</span>
<code class="parameter">$value</code>
</span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span>
<span class="type">bool</span>
<span class="methodname"><a href="eventdnsbase.setsearchndots.html" class="methodname">setSearchNdots</a></span>
( <span class="methodparam">
<span class="type">int</span>
<code class="parameter">$ndots</code>
</span>
)</div>
}</div>
</div>
<div class="section" id="eventdnsbase.constants">
<h2 class="title">Predefined Constants</h2>
<dl>
<dt id="eventdnsbase.constants.option-search">
<span class="term">
<strong><code>EventDnsBase::OPTION_SEARCH</code></strong>
</span>
<dd>
<p class="para">
Tells to read the domain and search fields from the
<em>resolv.conf</em>
file and the
<em>ndots</em>
option, and use them to decide which domains(if any) to search for
hostnames that aren’t fully-qualified.
</p>
</dd>
</dt>
<dt id="eventdnsbase.constants.option-nameservers">
<span class="term">
<strong><code>EventDnsBase::OPTION_NAMESERVERS</code></strong>
</span>
<dd>
<p class="para">
Tells to learn the nameservers from the
<em>resolv.conf</em>
file.
</p>
</dd>
</dt>
<dt id="eventdnsbase.constants.option-misc">
<span class="term">
<strong><code>EventDnsBase::OPTION_MISC</code></strong>
</span>
<dd>
<p class="para"/>
</dd>
</dt>
<dt id="eventdnsbase.constants.option-hostsfile">
<span class="term">
<strong><code>EventDnsBase::OPTION_HOSTSFILE</code></strong>
</span>
<dd>
<p class="para">
Tells to read a list of hosts from
<em>/etc/hosts</em>
as part of loading the
<em>resolv.conf</em>
file.
</p>
</dd>
</dt>
<dt id="eventdnsbase.constants.options-all">
<span class="term">
<strong><code>EventDnsBase::OPTIONS_ALL</code></strong>
</span>
<dd>
<p class="para">
Tells to learn as much as it can from the
<em>resolv.conf</em>
file.
</p>
</dd>
</dt>
</dl>
</div>
</div>
<h2>Table of Contents</h2><ul class="chunklist chunklist_reference"><li><a href="eventdnsbase.addnameserverip.html">EventDnsBase::addNameserverIp</a> — Adds a nameserver to the DNS base</li><li><a href="eventdnsbase.addsearch.html">EventDnsBase::addSearch</a> — Adds a domain to the list of search domains</li><li><a href="eventdnsbase.clearsearch.html">EventDnsBase::clearSearch</a> — Removes all current search suffixes</li><li><a href="eventdnsbase.construct.html">EventDnsBase::__construct</a> — Constructs EventDnsBase object</li><li><a href="eventdnsbase.countnameservers.html">EventDnsBase::countNameservers</a> — Gets the number of configured nameservers</li><li><a href="eventdnsbase.loadhosts.html">EventDnsBase::loadHosts</a> — Loads a hosts file (in the same format as /etc/hosts) from hosts file</li><li><a href="eventdnsbase.parseresolvconf.html">EventDnsBase::parseResolvConf</a> — Scans the resolv.conf-formatted file</li><li><a href="eventdnsbase.setoption.html">EventDnsBase::setOption</a> — Set the value of a configuration option</li><li><a href="eventdnsbase.setsearchndots.html">EventDnsBase::setSearchNdots</a> — Set the 'ndots' parameter for searches</li></ul>
</div>
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