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<li ><a href="#method-c-new">::new</a>
<li ><a href="#method-i-each_address">#each_address</a>
<li ><a href="#method-i-each_name">#each_name</a>
<li ><a href="#method-i-getaddress">#getaddress</a>
<li ><a href="#method-i-getaddresses">#getaddresses</a>
<li ><a href="#method-i-getname">#getname</a>
<li ><a href="#method-i-getnames">#getnames</a>
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<h1 id="class-Resolv::Hosts" class="class">
class Resolv::Hosts
</h1>
<section class="description">
<p><a href="Hosts.html"><code>Resolv::Hosts</code></a> is a hostname resolver that uses the system hosts file.</p>
</section>
<section id="5Buntitled-5D" class="documentation-section">
<section class="constants-list">
<header>
<h3>Constants</h3>
</header>
<dl>
<dt id="DefaultFileName">DefaultFileName
<dd>
</dl>
</section>
<section id="public-class-5Buntitled-5D-method-details" class="method-section">
<header>
<h3>Public Class Methods</h3>
</header>
<div id="method-c-new" class="method-detail ">
<div class="method-heading">
<span class="method-name">new</span><span
class="method-args">(filename = DefaultFileName)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Creates a new <a href="Hosts.html"><code>Resolv::Hosts</code></a>, using <code>filename</code> for its data source.</p>
<div class="method-source-code" id="new-source">
<pre><span class="ruby-comment"># File lib/resolv.rb, line 181</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">initialize</span>(<span class="ruby-identifier">filename</span> = <span class="ruby-constant">DefaultFileName</span>)
<span class="ruby-ivar">@filename</span> = <span class="ruby-identifier">filename</span>
<span class="ruby-ivar">@mutex</span> = <span class="ruby-constant">Thread</span><span class="ruby-operator">::</span><span class="ruby-constant">Mutex</span>.<span class="ruby-identifier">new</span>
<span class="ruby-ivar">@initialized</span> = <span class="ruby-keyword">nil</span>
<span class="ruby-keyword">end</span></pre>
</div>
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</section>
<section id="public-instance-5Buntitled-5D-method-details" class="method-section">
<header>
<h3>Public Instance Methods</h3>
</header>
<div id="method-i-each_address" class="method-detail ">
<div class="method-heading">
<span class="method-name">each_address</span><span
class="method-args">(name, &proc)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Iterates over all IP addresses for <code>name</code> retrieved from the hosts file.</p>
<div class="method-source-code" id="each_address-source">
<pre><span class="ruby-comment"># File lib/resolv.rb, line 235</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">each_address</span>(<span class="ruby-identifier">name</span>, <span class="ruby-operator">&</span><span class="ruby-identifier">proc</span>)
<span class="ruby-identifier">lazy_initialize</span>
<span class="ruby-ivar">@name2addr</span>[<span class="ruby-identifier">name</span>]&.<span class="ruby-identifier">each</span>(<span class="ruby-operator">&</span><span class="ruby-identifier">proc</span>)
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-each_name" class="method-detail ">
<div class="method-heading">
<span class="method-name">each_name</span><span
class="method-args">(address, &proc)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Iterates over all hostnames for <code>address</code> retrieved from the hosts file.</p>
<div class="method-source-code" id="each_name-source">
<pre><span class="ruby-comment"># File lib/resolv.rb, line 260</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">each_name</span>(<span class="ruby-identifier">address</span>, <span class="ruby-operator">&</span><span class="ruby-identifier">proc</span>)
<span class="ruby-identifier">lazy_initialize</span>
<span class="ruby-ivar">@addr2name</span>[<span class="ruby-identifier">address</span>]&.<span class="ruby-identifier">each</span>(<span class="ruby-operator">&</span><span class="ruby-identifier">proc</span>)
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-getaddress" class="method-detail ">
<div class="method-heading">
<span class="method-name">getaddress</span><span
class="method-args">(name)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Gets the IP address of <code>name</code> from the hosts file.</p>
<div class="method-source-code" id="getaddress-source">
<pre><span class="ruby-comment"># File lib/resolv.rb, line 218</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">getaddress</span>(<span class="ruby-identifier">name</span>)
<span class="ruby-identifier">each_address</span>(<span class="ruby-identifier">name</span>) {<span class="ruby-operator">|</span><span class="ruby-identifier">address</span><span class="ruby-operator">|</span> <span class="ruby-keyword">return</span> <span class="ruby-identifier">address</span>}
<span class="ruby-identifier">raise</span> <span class="ruby-constant">ResolvError</span>.<span class="ruby-identifier">new</span>(<span class="ruby-node">"#{@filename} has no name: #{name}"</span>)
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-getaddresses" class="method-detail ">
<div class="method-heading">
<span class="method-name">getaddresses</span><span
class="method-args">(name)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Gets all IP addresses for <code>name</code> from the hosts file.</p>
<div class="method-source-code" id="getaddresses-source">
<pre><span class="ruby-comment"># File lib/resolv.rb, line 226</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">getaddresses</span>(<span class="ruby-identifier">name</span>)
<span class="ruby-identifier">ret</span> = []
<span class="ruby-identifier">each_address</span>(<span class="ruby-identifier">name</span>) {<span class="ruby-operator">|</span><span class="ruby-identifier">address</span><span class="ruby-operator">|</span> <span class="ruby-identifier">ret</span> <span class="ruby-operator"><<</span> <span class="ruby-identifier">address</span>}
<span class="ruby-keyword">return</span> <span class="ruby-identifier">ret</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-getname" class="method-detail ">
<div class="method-heading">
<span class="method-name">getname</span><span
class="method-args">(address)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Gets the hostname of <code>address</code> from the hosts file.</p>
<div class="method-source-code" id="getname-source">
<pre><span class="ruby-comment"># File lib/resolv.rb, line 243</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">getname</span>(<span class="ruby-identifier">address</span>)
<span class="ruby-identifier">each_name</span>(<span class="ruby-identifier">address</span>) {<span class="ruby-operator">|</span><span class="ruby-identifier">name</span><span class="ruby-operator">|</span> <span class="ruby-keyword">return</span> <span class="ruby-identifier">name</span>}
<span class="ruby-identifier">raise</span> <span class="ruby-constant">ResolvError</span>.<span class="ruby-identifier">new</span>(<span class="ruby-node">"#{@filename} has no address: #{address}"</span>)
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-getnames" class="method-detail ">
<div class="method-heading">
<span class="method-name">getnames</span><span
class="method-args">(address)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Gets all hostnames for <code>address</code> from the hosts file.</p>
<div class="method-source-code" id="getnames-source">
<pre><span class="ruby-comment"># File lib/resolv.rb, line 251</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">getnames</span>(<span class="ruby-identifier">address</span>)
<span class="ruby-identifier">ret</span> = []
<span class="ruby-identifier">each_name</span>(<span class="ruby-identifier">address</span>) {<span class="ruby-operator">|</span><span class="ruby-identifier">name</span><span class="ruby-operator">|</span> <span class="ruby-identifier">ret</span> <span class="ruby-operator"><<</span> <span class="ruby-identifier">name</span>}
<span class="ruby-keyword">return</span> <span class="ruby-identifier">ret</span>
<span class="ruby-keyword">end</span></pre>
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