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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<title>Class Poco::Net::SocketNotifier</title>
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<meta name="author" content="Applied Informatics Software Engineering GmbH and Contributors"/>
<meta name="publisher" content="Applied Informatics Software Engineering GmbH and Contributors"/>
<meta name="copyright" content="Copyright (c) 2009, Applied Informatics Software Engineering GmbH and Contributors"/>
<meta name="language" content="en"/>
<meta name="date" content="2009-11-24"/>
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<div class="header">
<h1 class="namespace"><a href="Poco.Net.html" class="namespace">Poco::Net</a></h1>
<h1 class="symbol">class SocketNotifier</h1>
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<div class="body">
<p>
<b>Library:</b> Net<br />
<b>Package:</b> Reactor<br />
<b>Header:</b> Poco/Net/SocketNotifier.h</p>
<h2>Description</h2>
<div class="description">
<p>This class is used internally by <a href="Poco.Net.SocketReactor.html" title="class Poco::Net::SocketReactor">SocketReactor</a> to notify registered event handlers of socket events. </p>
</div>
<h2>Inheritance</h2>
<p><b>Direct Base Classes: </b><a href="Poco.RefCountedObject.html" title="class Poco::RefCountedObject">Poco::RefCountedObject</a></p>
<p><b>All Base Classes: </b><a href="Poco.RefCountedObject.html" title="class Poco::RefCountedObject">Poco::RefCountedObject</a></p>
<h2>Member Summary</h2>
<p><b>Member Functions: </b><a href="Poco.Net.SocketNotifier.html#15399" title="Poco::Net::SocketNotifier::accepts()">accepts</a>, <a href="Poco.Net.SocketNotifier.html#15393" title="Poco::Net::SocketNotifier::addObserver()">addObserver</a>, <a href="Poco.Net.SocketNotifier.html#15404" title="Poco::Net::SocketNotifier::countObservers()">countObservers</a>, <a href="Poco.Net.SocketNotifier.html#15401" title="Poco::Net::SocketNotifier::dispatch()">dispatch</a>, <a href="Poco.Net.SocketNotifier.html#15403" title="Poco::Net::SocketNotifier::hasObservers()">hasObservers</a>, <a href="Poco.Net.SocketNotifier.html#15396" title="Poco::Net::SocketNotifier::removeObserver()">removeObserver</a></p>
<p><b>Inherited Functions: </b><a href="Poco.RefCountedObject.html#9659" title="Poco::RefCountedObject::duplicate()">duplicate</a>, <a href="Poco.RefCountedObject.html#9661" title="Poco::RefCountedObject::referenceCount()">referenceCount</a>, <a href="Poco.RefCountedObject.html#9660" title="Poco::RefCountedObject::release()">release</a></p>
<h2>Constructors</h2>
<h3><a name="15391">SocketNotifier</a></h3>
<p class="decl">explicit <a href="Poco.Net.SocketNotifier.html" title="class Poco::Net::SocketNotifier">SocketNotifier</a>(<br />&nbsp;&nbsp;&nbsp;&nbsp;const <a href="Poco.Net.Socket.html" title="class Poco::Net::Socket">Socket</a> &amp; socket<br />);</p>
<div class="description">
<p>Creates the <a href="Poco.Net.SocketNotifier.html" title="class Poco::Net::SocketNotifier">SocketNotifier</a> for the given socket. </p>
</div>
<h2>Destructor</h2>
<h3><a name="15405">~SocketNotifier</a> <img src="images/protected.gif" alt="protected" title="protected" style="vertical-align:baseline;" border="0" />  <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl">~<a href="Poco.Net.SocketNotifier.html" title="class Poco::Net::SocketNotifier">SocketNotifier</a>();</p>
<div class="description">
<p>Destroys the <a href="Poco.Net.SocketNotifier.html" title="class Poco::Net::SocketNotifier">SocketNotifier</a>. </p>
</div>
<h2>Member Functions</h2>
<h3><a name="15399">accepts</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl">bool accepts(<br />&nbsp;&nbsp;&nbsp;&nbsp;<a href="Poco.Net.SocketNotification.html" title="class Poco::Net::SocketNotification">SocketNotification</a> * pNotification<br />);</p>
<div class="description">
<p>Returns true if there is at least one observer for the given notification. </p>
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<h3><a name="15393">addObserver</a></h3>
<p class="decl">void addObserver(<br />&nbsp;&nbsp;&nbsp;&nbsp;<a href="Poco.Net.SocketReactor.html" title="class Poco::Net::SocketReactor">SocketReactor</a> * pReactor,<br />&nbsp;&nbsp;&nbsp;&nbsp;const <a href="Poco.AbstractObserver.html" title="class Poco::AbstractObserver">Poco::AbstractObserver</a> &amp; observer<br />);</p>
<div class="description">
<p>Adds the given observer.  </p>
</div>
<h3><a name="15404">countObservers</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl">std::size_t countObservers() const;</p>
<div class="description">
<p>Returns the number of subscribers; </p>
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<h3><a name="15401">dispatch</a></h3>
<p class="decl">void dispatch(<br />&nbsp;&nbsp;&nbsp;&nbsp;<a href="Poco.Net.SocketNotification.html" title="class Poco::Net::SocketNotification">SocketNotification</a> * pNotification<br />);</p>
<div class="description">
<p>Dispatches the notification to all observers. </p>
</div>
<h3><a name="15403">hasObservers</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl">bool hasObservers() const;</p>
<div class="description">
<p>Returns true if there are subscribers. </p>
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<h3><a name="15396">removeObserver</a></h3>
<p class="decl">void removeObserver(<br />&nbsp;&nbsp;&nbsp;&nbsp;<a href="Poco.Net.SocketReactor.html" title="class Poco::Net::SocketReactor">SocketReactor</a> * pReactor,<br />&nbsp;&nbsp;&nbsp;&nbsp;const <a href="Poco.AbstractObserver.html" title="class Poco::AbstractObserver">Poco::AbstractObserver</a> &amp; observer<br />);</p>
<div class="description">
<p>Removes the given observer. </p>
</div>
<p class="footer">POCO C++ Libraries 1.3.6-all<br />
Copyright &copy; 2009, <a href="http://pocoproject.org/" target="_blank">Applied Informatics Software Engineering GmbH and Contributors</a></p>

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