construct.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="eventhttprequest.construct" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>EventHttpRequest::__construct</refname>
  <refpurpose>Constructs EventHttpRequest object</refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <modifier>public</modifier>
   <methodname>EventHttpRequest::__construct</methodname>
   <methodparam>
    <type>callable</type>
    <parameter>callback</parameter>
   </methodparam>
   <methodparam
   choice="opt">
    <type>mixed</type>
    <parameter>data</parameter>
    <initializer>&null;</initializer>
   </methodparam>
  </methodsynopsis>
  <para>
   Constructs EventHttpRequest object.
  </para>
 </refsect1>
 <refsect1 role="parameters">
  &reftitle.parameters;
  <variablelist>
   <varlistentry>
    <term>
     <parameter>callback</parameter>
    </term>
    <listitem>
     <para>
      Gets invoked on requesting path. Should match the following prototype:
     </para>
     <methodsynopsis>
      <type>void</type>
      <methodname>callback</methodname>
      <methodparam
        choice="opt">
       <type>EventHttpRequest</type>
       <parameter>req</parameter>
       <initializer>&null;</initializer>
      </methodparam>
      <methodparam
        choice="opt">
       <type>mixed</type>
       <parameter>arg</parameter>
       <initializer>&null;</initializer>
      </methodparam>
     </methodsynopsis>
    </listitem>
   </varlistentry>
   <varlistentry>
    <term>
     <parameter>data</parameter>
    </term>
    <listitem>
     <para>
      User custom data passed to the callback.
     </para>
    </listitem>
   </varlistentry>
  </variablelist>
 </refsect1>
 <refsect1 role="examples">
  &reftitle.examples;
  <example>
   <title>
    <function>EventHttpRequest::__construct</function> example</title>
   <programlisting role="php">
<![CDATA[
<?php

function _request_handler($req, $base) {
    echo __FUNCTION__, PHP_EOL;

    if (is_null($req)) {
        echo "Timed out\n";
    } else {
        $response_code = $req->getResponseCode();

        if ($response_code == 0) {
            echo "Connection refused\n";
        } elseif ($response_code != 200) {
            echo "Unexpected response: $response_code\n";
        } else {
            echo "Success: $response_code\n";
            $buf = $req->getInputBuffer();
            echo "Body:\n";
            while ($s = $buf->readLine(EventBuffer::EOL_ANY)) {
                echo $s, PHP_EOL;
            }
        }
    }

    $base->exit(NULL);
}


$address = "127.0.0.1";
$port = 80;

$base = new EventBase();
$conn = new EventHttpConnection($base, NULL, $address, $port);
$conn->setTimeout(5);
$req = new EventHttpRequest("_request_handler", $base);

$req->addHeader("Host", $address, EventHttpRequest::OUTPUT_HEADER);
$req->addHeader("Content-Length", "0", EventHttpRequest::OUTPUT_HEADER);
$conn->makeRequest($req, EventHttpRequest::CMD_GET, "/index.cphp");

$base->loop();
?>
]]>
   </programlisting>
  </example>
 </refsect1>
 <refsect1 role="seealso">
  &reftitle.seealso;
  <simplelist>
   <member>
    <methodname>EventHttpRequest::cancel</methodname>
   </member>
   <member>
    <methodname>EventHttpRequest::addHeader</methodname>
   </member>
  </simplelist>
 </refsect1>
</refentry>
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