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<title>Class: Acceptor</title>
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<td><strong>Class</strong></td>
<td class="class-name-in-header">Acceptor</td>
</tr>
<tr class="top-aligned-row">
<td><strong>In:</strong></td>
<td>
<a href="../files/lib/network/acceptor_rb.html">
lib/network/acceptor.rb
</a>
<br />
</td>
</tr>
<tr class="top-aligned-row">
<td><strong>Parent:</strong></td>
<td>
<a href="Session.html">
Session
</a>
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<area shape="rect" coords="5,101,83,149" href="Acceptor.html" alt="Acceptor
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<div id="description">
<p>
The acceptor class handles client connection requests for a reactor
</p>
</div>
</div>
<div id="method-list">
<h3 class="section-bar">Methods</h3>
<div class="name-list">
<a href="#M000008">handle_close</a>
<a href="#M000007">handle_input</a>
<a href="#M000006">init</a>
<a href="#M000005">new</a>
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<h3 class="section-bar">Public Class methods</h3>
<div id="method-M000005" class="method-detail">
<a name="M000005"></a>
<div class="method-heading">
<a href="#M000005" class="method-signature">
<span class="method-name">new</span><span class="method-args">(server)</span>
</a>
</div>
<div class="method-description">
<p>
Create a <a href="Acceptor.html#M000005">new</a> acceptor object
</p>
<dl>
<dt><tt>server</tt></dt><dd>The reactor this acceptor is associated with.
</dd>
<dt><tt>returns</tt></dt><dd>An acceptor object
</dd>
</dl>
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000005-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000005-source">
<pre>
<span class="ruby-comment cmt"># File lib/network/acceptor.rb, line 29</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">initialize</span>(<span class="ruby-identifier">server</span>)
<span class="ruby-keyword kw">super</span>(<span class="ruby-identifier">server</span>)
<span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<h3 class="section-bar">Public Instance methods</h3>
<div id="method-M000008" class="method-detail">
<a name="M000008"></a>
<div class="method-heading">
<a href="#M000008" class="method-signature">
<span class="method-name">handle_close</span><span class="method-args">()</span>
</a>
</div>
<div class="method-description">
<p>
<a href="Acceptor.html#M000008">handle_close</a> is called when a close
event occurs for this acceptor.
</p>
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000008-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000008-source">
<pre>
<span class="ruby-comment cmt"># File lib/network/acceptor.rb, line 73</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">handle_close</span>
<span class="ruby-ivar">@accepting</span> = <span class="ruby-keyword kw">false</span>
<span class="ruby-ivar">@server</span>.<span class="ruby-identifier">unregister</span>(<span class="ruby-keyword kw">self</span>)
<span class="ruby-ivar">@sock</span>.<span class="ruby-identifier">close</span>
<span class="ruby-keyword kw">rescue</span> <span class="ruby-constant">Exception</span>
<span class="ruby-identifier">log</span>.<span class="ruby-identifier">error</span> <span class="ruby-identifier">$!</span>
<span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<div id="method-M000007" class="method-detail">
<a name="M000007"></a>
<div class="method-heading">
<a href="#M000007" class="method-signature">
<span class="method-name">handle_input</span><span class="method-args">()</span>
</a>
</div>
<div class="method-description">
<p>
<a href="Acceptor.html#M000007">handle_input</a> is called when an pending
connection occurs on the listening socket‘s port. This function
creates a <a href="Connection.html">Connection</a> object and calls
it‘s <a href="Acceptor.html#M000006">init</a> routine.
</p>
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000007-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000007-source">
<pre>
<span class="ruby-comment cmt"># File lib/network/acceptor.rb, line 54</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">handle_input</span>
<span class="ruby-identifier">sckt</span> = <span class="ruby-ivar">@sock</span>.<span class="ruby-identifier">accept</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">sckt</span>
<span class="ruby-keyword kw">unless</span> <span class="ruby-constant">RUBY_PLATFORM</span> <span class="ruby-operator">=~</span> <span class="ruby-regexp re">/win32/</span>
<span class="ruby-identifier">sckt</span>.<span class="ruby-identifier">fcntl</span>(<span class="ruby-constant">Fcntl</span><span class="ruby-operator">::</span><span class="ruby-constant">F_SETFL</span>, <span class="ruby-constant">Fcntl</span><span class="ruby-operator">::</span><span class="ruby-constant">O_NONBLOCK</span>)
<span class="ruby-keyword kw">end</span>
<span class="ruby-identifier">c</span> = <span class="ruby-constant">Connection</span>.<span class="ruby-identifier">new</span>(<span class="ruby-ivar">@server</span>, <span class="ruby-identifier">sckt</span>)
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">c</span>.<span class="ruby-identifier">init</span>
<span class="ruby-identifier">log</span>.<span class="ruby-identifier">info</span> <span class="ruby-node">"(#{c.object_id}) Connection accepted."</span>
<span class="ruby-identifier">publish</span>(<span class="ruby-identifier">c</span>)
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">else</span>
<span class="ruby-identifier">raise</span> <span class="ruby-value str">"Error in accepting connection."</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">rescue</span> <span class="ruby-constant">Exception</span>
<span class="ruby-identifier">log</span>.<span class="ruby-identifier">error</span> <span class="ruby-identifier">$!</span>
<span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<div id="method-M000006" class="method-detail">
<a name="M000006"></a>
<div class="method-heading">
<a href="#M000006" class="method-signature">
<span class="method-name">init</span><span class="method-args">()</span>
</a>
</div>
<div class="method-description">
<p>
<a href="Acceptor.html#M000006">init</a> is called before using the
acceptor
</p>
<dl>
<dt><tt>returns</tt></dt><dd>true is acceptor is properly initialized
</dd>
</dl>
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000006-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000006-source">
<pre>
<span class="ruby-comment cmt"># File lib/network/acceptor.rb, line 35</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">init</span>
<span class="ruby-comment cmt"># Open a socket for the server to listen on.</span>
<span class="ruby-ivar">@sock</span> = <span class="ruby-constant">TCPServer</span>.<span class="ruby-identifier">new</span>(<span class="ruby-value str">'0.0.0.0'</span>, <span class="ruby-ivar">@server</span>.<span class="ruby-identifier">port</span>)
<span class="ruby-comment cmt"># @sock.setsockopt(Socket::SOL_SOCKET, Socket::SO_REUSEADDR, true)</span>
<span class="ruby-ivar">@sock</span>.<span class="ruby-identifier">setsockopt</span>(<span class="ruby-constant">Socket</span><span class="ruby-operator">::</span><span class="ruby-constant">SOL_SOCKET</span>, <span class="ruby-constant">Socket</span><span class="ruby-operator">::</span><span class="ruby-constant">SO_LINGER</span>, [<span class="ruby-value">0</span>,<span class="ruby-value">0</span>].<span class="ruby-identifier">pack</span>(<span class="ruby-value str">'ii'</span>))
<span class="ruby-keyword kw">unless</span> <span class="ruby-constant">RUBY_PLATFORM</span> <span class="ruby-operator">=~</span> <span class="ruby-regexp re">/win32/</span>
<span class="ruby-ivar">@sock</span>.<span class="ruby-identifier">fcntl</span>(<span class="ruby-constant">Fcntl</span><span class="ruby-operator">::</span><span class="ruby-constant">F_SETFL</span>, <span class="ruby-constant">Fcntl</span><span class="ruby-operator">::</span><span class="ruby-constant">O_NONBLOCK</span>)
<span class="ruby-keyword kw">end</span>
<span class="ruby-ivar">@accepting</span> = <span class="ruby-keyword kw">true</span>
<span class="ruby-ivar">@server</span>.<span class="ruby-identifier">register</span>(<span class="ruby-keyword kw">self</span>)
<span class="ruby-keyword kw">true</span>
<span class="ruby-keyword kw">rescue</span> <span class="ruby-constant">Exception</span>
<span class="ruby-identifier">log</span>.<span class="ruby-identifier">fatal</span> <span class="ruby-identifier">$!</span>
<span class="ruby-keyword kw">false</span>
<span class="ruby-keyword kw">end</span>
</pre>
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