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EventHttp::__construct

(PECL event >= 1.2.6-beta)

EventHttp::__constructConstruit un objet EventHttp (le serveur HTTP)

Description

public EventHttp::__construct( EventBase $base , EventSslContext $ctx = null )

Construit l'objet serveur HTTP.

Liste de paramètres

base

Evénement de base associé.

ctx

L'objet de la classe EventSslContext. Transforme un serveur HTTP en un serveur HTTPS. Cela signifie que si le paramètre ctx est configuré correctement, alors le buffer d'événements sous-jacent ser abasé sur des sockets OpenSSL. Aussi, tout le trafic passera via SSL ou TLS.

Note:

Ce paramètre n'est disponible que si Event a été compilé avec le support d'OpenSSL, et seulement à partir de la version Libevent 2.1.0-alpha ou supérieures.

Historique

Version Description
PECL event 1.9.0 Ajout du support d'OpenSSL (ctx).

Exemples

Exemple #1 Serveur HTTP simple

<?php
/*
* Serveur HTTP simple.
*
* Pour le tester :
* 1) Exécutez-le sur le port de votre choix, i.e. :
* $ php examples/http.php 8010
* 2) Dans un autre terminal, connectez-vous sur une adresse de ce port
* et effectuez une requête GET ou POST (les autres sont désactivées ici),
* i.e. :
* $ nc -t 127.0.0.1 8010
* POST /about HTTP/1.0
* Content-Type: text/plain
* Content-Length: 4
* Connection: close
* (press Enter)
*
* Il devrait afficher :
* 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)
*
* Il devrait afficher :
* 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
*
* Il devrait afficher :
* HTTP/1.0 200 OK
* Content-Type: text/html; charset=ISO-8859-1
* Connection: close
*
* 3) Regardez ce que le serveur affiche sur le précédent terminal.
*/

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();
?>

Résultat de l'exemple ci-dessus est similaire à :

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
add a note

User Contributed Notes 2 notes

up
0
Bas Vijfwinkel
8 years ago
If you try to use the SSL context parameter and you receive an error that you're using 2 parameters instead of 1, then your libevent library is not recent enough to support all features.
When installing the event extension with PECL, the libevent library needs a certain version to support certain functions.
PECL does not show any errors or warnings but simple disables everything that your libevent version does not support.

For further details see my comment at
http://php.net/manual/en/event.examples.php
up
0
Anonymous
9 years ago
This demo code has a memory leak
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