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?>
<div id="class.eventlistener" class="reference">
 <h1 class="title">A classe EventListener</h1>
 
 <div class="partintro"><p class="verinfo">(PECL event &gt;= 1.5.0)</p>

  <div class="section" id="eventlistener.intro">
   <h2 class="title">Introdução</h2>
   <p class="para">
    Representa um observador de conexão.
   </p>
  </div>

  <div class="section" id="eventlistener.synopsis">
   <h2 class="title">Resumo da classe</h2>


   <div class="classsynopsis">
    <span class="ooclass">
     <strong class="classname"></strong>
    </span>

    <div class="classsynopsisinfo">
     <span class="ooclass">
      <span class="modifier">final</span>
      <span class="modifier">class</span> <strong class="classname">EventListener</strong>
     </span>
     {</div>

    <div class="classsynopsisinfo classsynopsisinfo_comment">/* Constantes */</div>
    <div class="fieldsynopsis">
     <span class="modifier">const</span>
     <span class="type"><a href="language.types.integer.php" class="type int">int</a></span>
      <var class="fieldsynopsis_varname"><a href="class.eventlistener.php#eventlistener.constants.opt-leave-sockets-blocking"><var class="varname">OPT_LEAVE_SOCKETS_BLOCKING</var></a></var><span class="initializer"> = 1</span>;</div>

    <div class="fieldsynopsis"><span class="modifier">const</span>
     <span class="type"><a href="language.types.integer.php" class="type int">int</a></span>
      <var class="fieldsynopsis_varname"><a href="class.eventlistener.php#eventlistener.constants.opt-close-on-free"><var class="varname">OPT_CLOSE_ON_FREE</var></a></var><span class="initializer"> = 2</span>;</div>

    <div class="fieldsynopsis"><span class="modifier">const</span>
     <span class="type"><a href="language.types.integer.php" class="type int">int</a></span>
      <var class="fieldsynopsis_varname"><a href="class.eventlistener.php#eventlistener.constants.opt-close-on-exec"><var class="varname">OPT_CLOSE_ON_EXEC</var></a></var><span class="initializer"> = 4</span>;</div>

    <div class="fieldsynopsis"><span class="modifier">const</span>
     <span class="type"><a href="language.types.integer.php" class="type int">int</a></span>
      <var class="fieldsynopsis_varname"><a href="class.eventlistener.php#eventlistener.constants.opt-reuseable"><var class="varname">OPT_REUSEABLE</var></a></var><span class="initializer"> = 8</span>;</div>

    <div class="fieldsynopsis"><span class="modifier">const</span>
     <span class="type"><a href="language.types.integer.php" class="type int">int</a></span>
      <var class="fieldsynopsis_varname"><a href="class.eventlistener.php#eventlistener.constants.opt-threadsafe"><var class="varname">OPT_THREADSAFE</var></a></var><span class="initializer"> = 16</span>;</div>

    <div class="classsynopsisinfo classsynopsisinfo_comment">/* Propriedades */</div>
    <div class="fieldsynopsis"><span class="modifier">public</span>
     <span class="modifier">readonly</span>
     <span class="type"><a href="language.types.integer.php" class="type int">int</a></span>
      <var class="varname"><a href="class.eventlistener.php#eventlistener.props.fd">$<var class="varname">fd</var></a></var>;</div>

    <div class="classsynopsisinfo classsynopsisinfo_comment">/* Métodos */</div>
    <div class="methodsynopsis dc-description">
   <span class="modifier">public</span>
   <span class="methodname"><a href="eventlistener.construct.php" class="methodname">__construct</a></span>(<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam">
    
    <span class="type"><a href="class.eventbase.php" class="type EventBase">EventBase</a></span> <code class="parameter">$base</code>
   </span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam">
    
    <span class="type"><a href="language.types.callable.php" class="type callable">callable</a></span> <code class="parameter">$cb</code>
   </span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam">
    
    <span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$data</code>
   </span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam">
    
    <span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$flags</code>
   </span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam">
    
    <span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$backlog</code>
   </span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam">
    
    <span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$target</code>
   </span><br>)</div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span>
   <span class="methodname"><a href="eventlistener.disable.php" class="methodname">disable</a></span>(): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span>
   <span class="methodname"><a href="eventlistener.enable.php" class="methodname">enable</a></span>(): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span>
   <span class="methodname"><a href="eventlistener.getbase.php" class="methodname">getBase</a></span>(): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span>
   <span class="modifier">static</span>
   <span class="methodname"><a href="eventlistener.getsocketname.php" class="methodname">getSocketName</a></span>(<span class="methodparam">
    
    <span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter reference">&$address</code>
   </span>, <span class="methodparam">
    
    <span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter reference">&$port</code>
   <span class="initializer"> = ?</span></span>): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span>
   <span class="methodname"><a href="eventlistener.setcallback.php" class="methodname">setCallback</a></span>(<span class="methodparam">
    
    <span class="type"><a href="language.types.callable.php" class="type callable">callable</a></span> <code class="parameter">$cb</code>
   </span>, <span class="methodparam">
    
    <span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$arg</code>
    <span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong></span>
   </span>): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span>
   <span class="methodname"><a href="eventlistener.seterrorcallback.php" class="methodname">setErrorCallback</a></span>(<span class="methodparam">
    
    <span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$cb</code>
   </span>): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>

   }</div>

  </div>
  <div class="section" id="eventlistener.props">
   <h2 class="title">Propriedades</h2>
   <dl>
    
     <dt id="eventlistener.props.fd">
      <var class="varname">fd</var>
     </dt>
     <dd>
      <p class="para">
       Descritor de arquivo numérico do soquete subjacente. (Adicionado em
       <code class="literal">event-1.6.0</code>
       .)
      </p>
     </dd>
    
   </dl>
  </div>

  <div class="section" id="eventlistener.constants">
   <h2 class="title">Constantes predefinidas</h2>
   <dl>
    
     <dt id="eventlistener.constants.opt-leave-sockets-blocking">
      <strong><code><a href="class.eventlistener.php#eventlistener.constants.opt-leave-sockets-blocking">EventListener::OPT_LEAVE_SOCKETS_BLOCKING</a></code></strong>
     </dt>
     <dd>
      <p class="para">
       Por padrão, o Libevent transforma descritores de arquivo subjacentes, ou soquetes, em
       modo sem bloqueio. Este sinalizador diz ao Libevent para deixá-los em modo
       bloqueante.
      </p>
     </dd>
    
    
     <dt id="eventlistener.constants.opt-close-on-free">
      <strong><code><a href="class.eventlistener.php#eventlistener.constants.opt-close-on-free">EventListener::OPT_CLOSE_ON_FREE</a></code></strong>
     </dt>
     <dd>
      <p class="para">
       Se esta opção estiver definida, o observador de conexão fecha seu
       soquete subjacente quando o
       objeto <span class="classname"><strong class="classname">EventListener</strong></span>
       é liberado.
      </p>
     </dd>
    
    
     <dt id="eventlistener.constants.opt-close-on-exec">
      <strong><code><a href="class.eventlistener.php#eventlistener.constants.opt-close-on-exec">EventListener::OPT_CLOSE_ON_EXEC</a></code></strong>
     </dt>
     <dd>
      <p class="para">
       Se esta opção for definida, o observador de conexão definirá o sinalizador de fechamento na execução
       no soquete do observador subjacente. Consulte a documentação da plataforma para
       <code class="literal">fcntl</code>
       e
       <strong><code>FD_CLOEXEC</code></strong>
       para mais informações.
      </p>
     </dd>
    
    
     <dt id="eventlistener.constants.opt-reuseable">
      <strong><code><a href="class.eventlistener.php#eventlistener.constants.opt-reuseable">EventListener::OPT_REUSEABLE</a></code></strong>
     </dt>
     <dd>
      <p class="para">
       Por padrão, em algumas plataformas, depois que um soquete de observador é fechado, nenhum
       outro soquete pode ser vinculado à mesma porta até que um tempo passe.
       Definir esta opção faz com que o Libevent marque o soquete como reutilizável, para que
       uma vez fechado, outro soquete possa ser aberto para escutar na mesma
       porta.
      </p>
     </dd>
    
    
     <dt id="eventlistener.constants.opt-threadsafe">
      <strong><code><a href="class.eventlistener.php#eventlistener.constants.opt-threadsafe">EventListener::OPT_THREADSAFE</a></code></strong>
     </dt>
     <dd>
      <p class="para">
       Aloca bloqueios para o observador, para que seja seguro usá-lo em
       vários threads.
      </p>
     </dd>
    
   </dl>
  </div>

 </div>

 



































<h2>Índice</h2><ul class="chunklist chunklist_reference"><li><a href="eventlistener.construct.php">EventListener::__construct</a> — Cria um novo ouvinte de conex&atilde;o associado a uma base de eventos</li><li><a href="eventlistener.disable.php">EventListener::disable</a> — Desabilita um objeto ouvinte de conex&atilde;o de evento</li><li><a href="eventlistener.enable.php">EventListener::enable</a> — Habilita um objeto ouvinte de conex&atilde;o de evento</li><li><a href="eventlistener.getbase.php">EventListener::getBase</a> — Retorna a base de eventos associada ao ouvinte de eventos</li><li><a href="eventlistener.getsocketname.php">EventListener::getSocketName</a> — Recupera o endere&ccedil;o atual ao qual o
   soquete do ouvinte est&aacute; vinculado</li><li><a href="eventlistener.setcallback.php">EventListener::setCallback</a> — Define fun&ccedil;&atilde;o de retorno</li><li><a href="eventlistener.seterrorcallback.php">EventListener::setErrorCallback</a> — Define a fun&ccedil;&atilde;o de retorno de erro do ouvinte de eventos</li></ul>
</div>
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