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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 331331 $ -->
<refentry xml:id="eventhttp.construct" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>EventHttp::__construct</refname>
<refpurpose>Constructs EventHttp object(the HTTP server)</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<modifier>public</modifier>
<methodname>EventHttp::__construct</methodname>
<methodparam>
<type>EventBase</type>
<parameter>base</parameter>
</methodparam>
</methodsynopsis>
<para>
Constructs the HTTP server object.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<variablelist>
<varlistentry>
<term>
<parameter>base</parameter>
</term>
<listitem>
<para>
Associated event base.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Returns
<classname>EventHttp</classname>
object.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<example>
<title>Simple HTTP server</title>
<programlisting role="php">
<![CDATA[
<?php
/*
* Simple HTTP server.
*
* To test it:
* 1) Run it on a port of your choice, e.g.:
* $ php examples/http.php 8010
* 2) In another terminal connect to some address on this port
* and make GET or POST request(others are turned off here), e.g.:
* $ nc -t 127.0.0.1 8010
* POST /about HTTP/1.0
* Content-Type: text/plain
* Content-Length: 4
* Connection: close
* (press Enter)
*
* It will output
* a=12
* HTTP/1.0 200 OK
* Content-Type: text/html; charset=ISO-8859-1
* Connection: close
*
* $ nc -t 127.0.0.1 8010
* GET /dump HTTP/1.0
* Content-Type: text/plain
* Content-Encoding: UTF-8
* Connection: close
* (press Enter)
*
* It will output:
* HTTP/1.0 200 OK
* Content-Type: text/html; charset=ISO-8859-1
* Connection: close
* (press Enter)
*
* $ nc -t 127.0.0.1 8010
* GET /unknown HTTP/1.0
* Connection: close
*
* It will output:
* HTTP/1.0 200 OK
* Content-Type: text/html; charset=ISO-8859-1
* Connection: close
*
* 3) See what the server outputs on the previous terminal window.
*/
function _http_dump($req, $data) {
static $counter = 0;
static $max_requests = 2;
if (++$counter >= $max_requests) {
echo "Counter reached max requests $max_requests. Exiting\n";
exit();
}
echo __METHOD__, " called\n";
echo "request:"; var_dump($req);
echo "data:"; var_dump($data);
echo "\n===== DUMP =====\n";
echo "Command:", $req->getCommand(), PHP_EOL;
echo "URI:", $req->getUri(), PHP_EOL;
echo "Input headers:"; var_dump($req->getInputHeaders());
echo "Output headers:"; var_dump($req->getOutputHeaders());
echo "\n >> Sending reply ...";
$req->sendReply(200, "OK");
echo "OK\n";
echo "\n >> Reading input buffer ...\n";
$buf = $req->getInputBuffer();
while ($s = $buf->readLine(EventBuffer::EOL_ANY)) {
echo $s, PHP_EOL;
}
echo "No more data in the buffer\n";
}
function _http_about($req) {
echo __METHOD__, PHP_EOL;
echo "URI: ", $req->getUri(), PHP_EOL;
echo "\n >> Sending reply ...";
$req->sendReply(200, "OK");
echo "OK\n";
}
function _http_default($req, $data) {
echo __METHOD__, PHP_EOL;
echo "URI: ", $req->getUri(), PHP_EOL;
echo "\n >> Sending reply ...";
$req->sendReply(200, "OK");
echo "OK\n";
}
$port = 8010;
if ($argc > 1) {
$port = (int) $argv[1];
}
if ($port <= 0 || $port > 65535) {
exit("Invalid port");
}
$base = new EventBase();
$http = new EventHttp($base);
$http->setAllowedMethods(EventHttpRequest::CMD_GET | EventHttpRequest::CMD_POST);
$http->setCallback("/dump", "_http_dump", array(4, 8));
$http->setCallback("/about", "_http_about");
$http->setDefaultCallback("_http_default", "custom data value");
$http->bind("0.0.0.0", 8010);
$base->loop();
?>
]]>
</programlisting>
&example.outputs.similar;
<screen>
<![CDATA[
a=12
HTTP/1.0 200 OK
Content-Type: text/html; charset=ISO-8859-1
Connection: close
HTTP/1.0 200 OK
Content-Type: text/html; charset=ISO-8859-1
Connection: close
(press Enter)
HTTP/1.0 200 OK
Content-Type: text/html; charset=ISO-8859-1
Connection: close
]]>
</screen>
</example>
</refsect1>
</refentry>
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