examples.xml

<?xml version="1.0" encoding="utf-8"?>
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<!-- EN-Revision: 73fae4ee51b644b72028e610abefefced57c18ad Maintainer: yannick Status: ready -->
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<chapter xml:id="varnish.examples" xmlns="http://docbook.org/ns/docbook">
 &reftitle.examples;
 <section xml:id="varnish.example.admin">
  <title>Exemple d'utilisation de VarnishAdmin</title>
  <para>
   Cet exemple montre une utilisation simple de la fonctionnalité
   ban.
  </para>
  <example>
   <title>Bannir une URL</title>
   <programlisting role="php">
<![CDATA[
<?php

$args = array(
    VARNISH_CONFIG_HOST    => "::1",
    VARNISH_CONFIG_PORT    => 6082,
    VARNISH_CONFIG_SECRET  => "5174826b-8595-4958-aa7a-0609632ad7ca",
    VARNISH_CONFIG_TIMEOUT => 300,
);

$va = new VarnishAdmin($args);

try {
    if(!$va->connect()) {
        throw new VarnishException("Connection failed\n");
    }   
} catch (VarnishException $e) {
    echo $e->getMessage();
    exit(3);
}

try {
    if(!$va->auth()) {
        throw new VarnishException("Auth failed\n");
    }   
} catch (VarnishException $e) {
    echo $e->getMessage();
    exit(3);
}

try {
    $status = $va->ban('req.url ~ "^/$"');
    if (VARNISH_STATUS_OK != $status) {
        throw new VarnishException("Ban method returned $status status\n");
    }
} catch (VarnishException $e) {
    echo $e->getMessage();
    exit(3);
}

exit(0);

?>
]]>
   </programlisting>
  </example>
 </section>
 <section xml:id="varnish.example.stat">
  <title>Exemple d'utilisation de VarnishStat</title>
  <para>
   Cet exemple montre comme récupérer les statistiques Varnish depuis la mémoire
   partagée.
  </para>
  <example>
   <title>Récupération de statistiques</title>
   <programlisting role="php">
<![CDATA[
<?php

$vs = new VarnishStat;

try {
    $data = $vs->getSnapshot();
} catch (VarnishException $e) {
    echo $e->getMessage();
    exit(3);
}

exit(0);
?>
]]>
   </programlisting>
  </example>
 </section>
 <section xml:id="varnish.example.log">
  <title>Exemple d'utilisation de VarnishLog</title>
  <para>
   Cet exemple montre comme lire des lignes des logs Varnish depuis la
   mémoire partagée.
  </para>
  <example>
   <title>Lecture des logs Varnish depuis la mémoire partagée</title>
   <programlisting role="php">
<![CDATA[
<?php

$vl = new VarnishLog;
while(1) {
    $line = $vl->getLine();
    printf("%s %d %s", VarnishLog::getTagName($line['tag']), $line['id'],
    $line['data']);
}

exit(0);
?>
]]>
   </programlisting>
  </example>
 </section>
</chapter>

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