doc-fr/reference/ev/evstat/construct.xml

<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="evstat.construct" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>EvStat::__construct</refname>
  <refpurpose>Construit un objet EvStat watcher</refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <constructorsynopsis>
   <modifier>public</modifier>
   <methodname>EvStat::__construct</methodname>
   <methodparam>
    <type>string</type>
    <parameter>path</parameter>
   </methodparam>
   <methodparam>
    <type>float</type>
    <parameter>interval</parameter>
   </methodparam>
   <methodparam>
    <type>callable</type>
    <parameter>callback</parameter>
   </methodparam>
   <methodparam
   choice="opt">
    <type>mixed</type>
    <parameter>data</parameter>
    <initializer>&null;</initializer>
   </methodparam>
   <methodparam
   choice="opt">
    <type>int</type>
    <parameter>priority</parameter>
    <initializer>0</initializer>
   </methodparam>
  </constructorsynopsis>
  <para>
   Construit un objet EvStat watcher et démarre le watcher automatiquement.
  </para>
 </refsect1>
 <refsect1 role="parameters">
  &reftitle.parameters;
  <variablelist>
   <varlistentry>
    <term>
     <parameter>path</parameter>
    </term>
    <listitem>
     <para>
      Le chemin pour lequel on attend un modification de statut.
     </para>
    </listitem>
   </varlistentry>
   <varlistentry>
    <term>
     <parameter>interval</parameter>
    </term>
    <listitem>
     <para>
      Intervalle de détection d'une modification ; doit valoir normalement
      <literal>0.0</literal> pour laisser <emphasis>libev</emphasis>
      choisir la bonne valeur.
     </para>
    </listitem>
   </varlistentry>
   <varlistentry>
    <term>
     <parameter>callback</parameter>
    </term>
    <listitem>
     <para>
      Voir les
      <link linkend="ev.watcher-callbacks">fonctions de rappel Watcher</link>.
     </para>
    </listitem>
   </varlistentry>
   <varlistentry>
    <term>
     <parameter>data</parameter>
    </term>
    <listitem>
     <para>
      Données personnalisées à associer avec le watcher.
     </para>
    </listitem>
   </varlistentry>
   <varlistentry>
    <term>
     <parameter>priority</parameter>
    </term>
    <listitem>
     <para>
      <link linkend="ev.constants.watcher-pri">Les priorités du Watcher</link>
     </para>
    </listitem>
   </varlistentry>
  </variablelist>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;

 <example>
   <title>Sruveillance des modifications dans le dossier /var/log/messages</title>
   <programlisting role="php">
<![CDATA[
<?php
// Utilisation d'un intervalle de 10 secondes.
 $w = new EvStat("/var/log/messages", 10, function ($w) {
 echo "/var/log/messages changed\n";

 $attr = $w->attr();

 if ($attr['nlink']) {
  printf("Current size: %ld\n", $attr['size']);
  printf("Current atime: %ld\n", $attr['atime']);
  printf("Current mtime: %ld\n", $attr['mtime']);
 } else {
  fprintf(STDERR, "`messages` file is not there!");
  $w->stop();
 }
});

?>
]]>
   </programlisting>
  </example>
 </refsect1>
</refentry>
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