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<div id="eventbufferevent.connect" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">EventBufferEvent::connect</h1>
  <p class="verinfo">(PECL event &gt;= 1.2.6-beta)</p><p class="refpurpose"><span class="refname">EventBufferEvent::connect</span> &mdash; <span class="dc-title">Connecte le descripteur de fichier du tampon d&#039;événement à l&#039;adresse fournie,
   ou au socket UNIX</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-eventbufferevent.connect-description">
  <h3 class="title">Description</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span>
   <span class="methodname"><strong>EventBufferEvent::connect</strong></span>(<span class="methodparam">
    
    <span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$addr</code>
   </span>): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>

  <p class="para rdfs-comment">
   Connecte le descripteur de fichier du tampon d&#039;événement à l&#039;adresse fournie
   (optionnellement, en fournissant le port), ou au socket UNIX.
  </p>
  <p class="para">
   Si le socket n&#039;est pas assigné au tampon d&#039;événements, cette méthode
   alloue un nouveau socket et le rend non bloquant en interne.
  </p>
  <p class="para">
   Pour résoudre les noms DNS (de façon asynchrone), utiliser la méthode
   <span class="methodname"><a href="eventbufferevent.connecthost.php" class="methodname">EventBufferEvent::connectHost()</a></span>.
  </p>
 </div>

 <div class="refsect1 parameters" id="refsect1-eventbufferevent.connect-parameters">
  <h3 class="title">Liste de paramètres</h3>
  <dl>
   
    <dt>
     <code class="parameter">addr</code>
    </dt>
    <dd>
     <p class="para">
      Doit contenir une adresse IP avec, optionnellement, le numéro du port,
      ou un chemin vers le socket UNIX. Les formats reconnus sont :
      <div class="example-contents screen">
<div class="parameterscode"><pre class="parameterscode">[IPv6Address]:port
[IPv6Address]
IPv6Address
IPv4Address:port
IPv4Address
unix:path</pre>
</div>
      </div>
      Il est à noter que le préfixe <code class="literal">&#039;unix:&#039;</code> n&#039;est actuellement
      pas sensible à la casse.
     </p>
    </dd>
   
  </dl>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-eventbufferevent.connect-returnvalues">
  <h3 class="title">Valeurs de retour</h3>
  <p class="para">
   Cette fonction retourne <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong> en cas de succès ou <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> si une erreur survient.
  </p>
 </div>

 <div class="refsect1 examples" id="refsect1-eventbufferevent.connect-examples">
  <h3 class="title">Exemples</h3>
  <div class="example" id="example-1">
   <p><strong>Exemple #1 Exemple avec <span class="function"><strong>EventBufferEvent::connect()</strong></span></strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /></span><span style="color: #FF8000">/*<br /> * 1. Connexion à l'adresse 127.0.0.1 sur le port 80<br /> * en appelant la méthode EventBufferEvent::connect().<br /> *<br /> * 2. Demande /index.cphp via HTTP/1.0<br /> * en utilisant le tampon de sortie.<br /> *<br /> * 3. Lit la réponse de façon asynchrone, et l'affiche dans stdout.<br /> */<br /><br />/* Fonction de rappel de lecture */<br /></span><span style="color: #007700">function </span><span style="color: #0000BB">readcb</span><span style="color: #007700">(</span><span style="color: #0000BB">$bev</span><span style="color: #007700">, </span><span style="color: #0000BB">$base</span><span style="color: #007700">) {<br />    </span><span style="color: #0000BB">$input </span><span style="color: #007700">= </span><span style="color: #0000BB">$bev</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getInput</span><span style="color: #007700">();<br /><br />    while ((</span><span style="color: #0000BB">$n </span><span style="color: #007700">= </span><span style="color: #0000BB">$input</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">remove</span><span style="color: #007700">(</span><span style="color: #0000BB">$buf</span><span style="color: #007700">, </span><span style="color: #0000BB">1024</span><span style="color: #007700">)) &gt; </span><span style="color: #0000BB">0</span><span style="color: #007700">) {<br />        echo </span><span style="color: #0000BB">$buf</span><span style="color: #007700">;<br />    }<br />}<br /><br /></span><span style="color: #FF8000">/* Fonction de rappel d'événement */<br /></span><span style="color: #007700">function </span><span style="color: #0000BB">eventcb</span><span style="color: #007700">(</span><span style="color: #0000BB">$bev</span><span style="color: #007700">, </span><span style="color: #0000BB">$events</span><span style="color: #007700">, </span><span style="color: #0000BB">$base</span><span style="color: #007700">) {<br />    if (</span><span style="color: #0000BB">$events </span><span style="color: #007700">&amp; </span><span style="color: #0000BB">EventBufferEvent</span><span style="color: #007700">::</span><span style="color: #0000BB">CONNECTED</span><span style="color: #007700">) {<br />        echo </span><span style="color: #DD0000">"Connecté.\n"</span><span style="color: #007700">;<br />    } elseif (</span><span style="color: #0000BB">$events </span><span style="color: #007700">&amp; (</span><span style="color: #0000BB">EventBufferEvent</span><span style="color: #007700">::</span><span style="color: #0000BB">ERROR </span><span style="color: #007700">| </span><span style="color: #0000BB">EventBufferEvent</span><span style="color: #007700">::</span><span style="color: #0000BB">EOF</span><span style="color: #007700">)) {<br />        if (</span><span style="color: #0000BB">$events </span><span style="color: #007700">&amp; </span><span style="color: #0000BB">EventBufferEvent</span><span style="color: #007700">::</span><span style="color: #0000BB">ERROR</span><span style="color: #007700">) {<br />            echo </span><span style="color: #DD0000">"Erreur DNS : "</span><span style="color: #007700">, </span><span style="color: #0000BB">$bev</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getDnsErrorString</span><span style="color: #007700">(), </span><span style="color: #0000BB">PHP_EOL</span><span style="color: #007700">;<br />        }<br /><br />        echo </span><span style="color: #DD0000">"Fermeture\n"</span><span style="color: #007700">;<br />        </span><span style="color: #0000BB">$base</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">exit</span><span style="color: #007700">();<br />        exit(</span><span style="color: #DD0000">"Fait !\n"</span><span style="color: #007700">);<br />    }<br />}<br /><br /></span><span style="color: #0000BB">$base </span><span style="color: #007700">= new </span><span style="color: #0000BB">EventBase</span><span style="color: #007700">();<br /><br />echo </span><span style="color: #DD0000">"étape 1\n"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$bev </span><span style="color: #007700">= new </span><span style="color: #0000BB">EventBufferEvent</span><span style="color: #007700">(</span><span style="color: #0000BB">$base</span><span style="color: #007700">, </span><span style="color: #FF8000">/* use internal socket */ </span><span style="color: #0000BB">NULL</span><span style="color: #007700">,<br />    </span><span style="color: #0000BB">EventBufferEvent</span><span style="color: #007700">::</span><span style="color: #0000BB">OPT_CLOSE_ON_FREE </span><span style="color: #007700">| </span><span style="color: #0000BB">EventBufferEvent</span><span style="color: #007700">::</span><span style="color: #0000BB">OPT_DEFER_CALLBACKS</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$bev</span><span style="color: #007700">) {<br />    exit(</span><span style="color: #DD0000">"Échec lors de la création du socket bufferevent\n"</span><span style="color: #007700">);<br />}<br /><br />echo </span><span style="color: #DD0000">"étape 2\n"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$bev</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">setCallbacks</span><span style="color: #007700">(</span><span style="color: #DD0000">"readcb"</span><span style="color: #007700">, </span><span style="color: #FF8000">/* writecb */ </span><span style="color: #0000BB">NULL</span><span style="color: #007700">, </span><span style="color: #DD0000">"eventcb"</span><span style="color: #007700">, </span><span style="color: #0000BB">$base</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$bev</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">enable</span><span style="color: #007700">(</span><span style="color: #0000BB">Event</span><span style="color: #007700">::</span><span style="color: #0000BB">READ </span><span style="color: #007700">| </span><span style="color: #0000BB">Event</span><span style="color: #007700">::</span><span style="color: #0000BB">WRITE</span><span style="color: #007700">);<br /><br />echo </span><span style="color: #DD0000">"étape 3\n"</span><span style="color: #007700">;<br /></span><span style="color: #FF8000">/* Envoi la demande */<br /></span><span style="color: #0000BB">$output </span><span style="color: #007700">= </span><span style="color: #0000BB">$bev</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getOutput</span><span style="color: #007700">();<br />if (!</span><span style="color: #0000BB">$output</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">add</span><span style="color: #007700">(<br />    </span><span style="color: #DD0000">"GET /index.cphp HTTP/1.0\r\n"</span><span style="color: #007700">.<br />    </span><span style="color: #DD0000">"Connection: Close\r\n\r\n"<br /></span><span style="color: #007700">)) {<br />    exit(</span><span style="color: #DD0000">"Échec lors de l'ajout de la demande dans le tampon de sortie\n"</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #FF8000">/* Connexion à l'hôte de façon asynchrone.<br /> * Nous connaissons l'IP, et donc, nous n'avons pas besoin de résolution DNS. */<br /></span><span style="color: #007700">if (!</span><span style="color: #0000BB">$bev</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"127.0.0.1:80"</span><span style="color: #007700">)) {<br />    exit(</span><span style="color: #DD0000">"Impossible de se connecter à l'hôte\n"</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #FF8000">/* Distribue les événements en attente */<br /></span><span style="color: #0000BB">$base</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">dispatch</span><span style="color: #007700">();</span></span></code></div>
   </div>

   <div class="example-contents"><p>Résultat de l&#039;exemple ci-dessus est similaire à :</p></div>
   <div class="example-contents screen">
<div class="examplescode"><pre class="examplescode">étape 1
étape 2
étape 3
Connecté.
HTTP/1.1 200 OK
Server: nginx/1.2.6
Date: Sat, 09 Mar 2013 10:06:58 GMT
Content-Type: text/html; charset=utf-8
Connection: close
X-Powered-By: PHP/5.4.11--pl2-gentoo

sdfsdfsf
Fermeture
Fait !</pre>
</div>
   </div>
  </div>
  <div class="example" id="example-2">
   <p><strong>Exemple #2 Connexion à un socket UNIX, lecture de la réponse depuis le
    serveur, et affichage dans une console</strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /></span><span style="color: #007700">class </span><span style="color: #0000BB">MyUnixSocketClient </span><span style="color: #007700">{<br />    private </span><span style="color: #0000BB">$base</span><span style="color: #007700">, </span><span style="color: #0000BB">$bev</span><span style="color: #007700">;<br /><br />    function </span><span style="color: #0000BB">__construct</span><span style="color: #007700">(</span><span style="color: #0000BB">$base</span><span style="color: #007700">, </span><span style="color: #0000BB">$sock_path</span><span style="color: #007700">) {<br />        </span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">base </span><span style="color: #007700">= </span><span style="color: #0000BB">$base</span><span style="color: #007700">;<br />        </span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">bev </span><span style="color: #007700">= new </span><span style="color: #0000BB">EventBufferEvent</span><span style="color: #007700">(</span><span style="color: #0000BB">$base</span><span style="color: #007700">, </span><span style="color: #0000BB">NULL</span><span style="color: #007700">, </span><span style="color: #0000BB">EventBufferEvent</span><span style="color: #007700">::</span><span style="color: #0000BB">OPT_CLOSE_ON_FREE</span><span style="color: #007700">,<br />            array (</span><span style="color: #0000BB">$this</span><span style="color: #007700">, </span><span style="color: #DD0000">"read_cb"</span><span style="color: #007700">), </span><span style="color: #0000BB">NULL</span><span style="color: #007700">, array (</span><span style="color: #0000BB">$this</span><span style="color: #007700">, </span><span style="color: #DD0000">"event_cb"</span><span style="color: #007700">));<br /><br />        if (!</span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">bev</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"unix:</span><span style="color: #0000BB">$sock_path</span><span style="color: #DD0000">"</span><span style="color: #007700">)) {<br />            </span><span style="color: #0000BB">trigger_error</span><span style="color: #007700">(</span><span style="color: #DD0000">"Échec lors de la connexion au socket `</span><span style="color: #0000BB">$sock_path</span><span style="color: #DD0000">'"</span><span style="color: #007700">, </span><span style="color: #0000BB">E_USER_ERROR</span><span style="color: #007700">);<br />        }<br /><br />        </span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">bev</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">enable</span><span style="color: #007700">(</span><span style="color: #0000BB">Event</span><span style="color: #007700">::</span><span style="color: #0000BB">READ</span><span style="color: #007700">);<br />    }<br /><br />    function </span><span style="color: #0000BB">__destruct</span><span style="color: #007700">() {<br />        if (</span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">bev</span><span style="color: #007700">) {<br />            </span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">bev</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">free</span><span style="color: #007700">();<br />            </span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">bev </span><span style="color: #007700">= </span><span style="color: #0000BB">NULL</span><span style="color: #007700">;<br />        }<br />    }<br /><br />    function </span><span style="color: #0000BB">dispatch</span><span style="color: #007700">() {<br />        </span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">base</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">dispatch</span><span style="color: #007700">();<br />    }<br /><br />    function </span><span style="color: #0000BB">read_cb</span><span style="color: #007700">(</span><span style="color: #0000BB">$bev</span><span style="color: #007700">, </span><span style="color: #0000BB">$unused</span><span style="color: #007700">) {<br />        </span><span style="color: #0000BB">$in </span><span style="color: #007700">= </span><span style="color: #0000BB">$bev</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">input</span><span style="color: #007700">;<br /><br />        </span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"Réception de %ld octets\n"</span><span style="color: #007700">, </span><span style="color: #0000BB">$in</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">length</span><span style="color: #007700">);<br />        </span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"----- données ----\n"</span><span style="color: #007700">);<br />        </span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"%ld:\t%s\n"</span><span style="color: #007700">, (int) </span><span style="color: #0000BB">$in</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">length</span><span style="color: #007700">, </span><span style="color: #0000BB">$in</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">pullup</span><span style="color: #007700">(-</span><span style="color: #0000BB">1</span><span style="color: #007700">));<br /><br />        </span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">bev</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">free</span><span style="color: #007700">();<br />        </span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">bev </span><span style="color: #007700">= </span><span style="color: #0000BB">NULL</span><span style="color: #007700">;<br />        </span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">base</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">exit</span><span style="color: #007700">(</span><span style="color: #0000BB">NULL</span><span style="color: #007700">);<br />    }<br /><br />    function </span><span style="color: #0000BB">event_cb</span><span style="color: #007700">(</span><span style="color: #0000BB">$bev</span><span style="color: #007700">, </span><span style="color: #0000BB">$events</span><span style="color: #007700">, </span><span style="color: #0000BB">$unused</span><span style="color: #007700">) {<br />        if (</span><span style="color: #0000BB">$events </span><span style="color: #007700">&amp; </span><span style="color: #0000BB">EventBufferEvent</span><span style="color: #007700">::</span><span style="color: #0000BB">ERROR</span><span style="color: #007700">) {<br />            echo </span><span style="color: #DD0000">"Erreur depuis bufferevent\n"</span><span style="color: #007700">;<br />        }<br /><br />        if (</span><span style="color: #0000BB">$events </span><span style="color: #007700">&amp; (</span><span style="color: #0000BB">EventBufferEvent</span><span style="color: #007700">::</span><span style="color: #0000BB">EOF </span><span style="color: #007700">| </span><span style="color: #0000BB">EventBufferEvent</span><span style="color: #007700">::</span><span style="color: #0000BB">ERROR</span><span style="color: #007700">)) {<br />            </span><span style="color: #0000BB">$bev</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">free</span><span style="color: #007700">();<br />            </span><span style="color: #0000BB">$bev </span><span style="color: #007700">= </span><span style="color: #0000BB">NULL</span><span style="color: #007700">;<br />        } elseif (</span><span style="color: #0000BB">$events </span><span style="color: #007700">&amp; </span><span style="color: #0000BB">EventBufferEvent</span><span style="color: #007700">::</span><span style="color: #0000BB">CONNECTED</span><span style="color: #007700">) {<br />            </span><span style="color: #0000BB">$bev</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">output</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">add</span><span style="color: #007700">(</span><span style="color: #DD0000">"test\n"</span><span style="color: #007700">);<br />        }<br />    }<br />}<br /><br />if (</span><span style="color: #0000BB">$argc </span><span style="color: #007700">&lt;= </span><span style="color: #0000BB">1</span><span style="color: #007700">) {<br />    exit(</span><span style="color: #DD0000">"Le chemin vers le socket n'est pas fourni\n"</span><span style="color: #007700">);<br />}<br /></span><span style="color: #0000BB">$sock_path </span><span style="color: #007700">= </span><span style="color: #0000BB">$argv</span><span style="color: #007700">[</span><span style="color: #0000BB">1</span><span style="color: #007700">];<br /><br /></span><span style="color: #0000BB">$base </span><span style="color: #007700">= new </span><span style="color: #0000BB">EventBase</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">$cl </span><span style="color: #007700">= new </span><span style="color: #0000BB">MyUnixSocketClient</span><span style="color: #007700">(</span><span style="color: #0000BB">$base</span><span style="color: #007700">, </span><span style="color: #0000BB">$sock_path</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$cl</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">dispatch</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

   <div class="example-contents"><p>Résultat de l&#039;exemple ci-dessus est similaire à :</p></div>
   <div class="example-contents screen">
<div class="examplescode"><pre class="examplescode">Réception de 5 octets
----- données ----
5:  test</pre>
</div>
   </div>
  </div>
 </div>

 <div class="refsect1 seealso" id="refsect1-eventbufferevent.connect-seealso">
  <h3 class="title">Voir aussi</h3>
  <ul class="simplelist">
   <li>
    <span class="methodname"><a href="eventbufferevent.connecthost.php" class="methodname" rel="rdfs-seeAlso">EventBufferEvent::connectHost()</a> - Connexion &agrave; un h&ocirc;te</span>
   </li>
  </ul>
 </div>

</div><?php manual_footer($setup); ?>