EventHttp::setCallback

(PECL event >= 1.4.0-beta)

EventHttp::setCallbackSets a callback for specified URI

Açıklama

public EventHttp::setCallback( string $path , string $cb , string $arg = ?): void

Sets a callback for specified URI.

Bağımsız Değişkenler

path

The path for which to invoke the callback.

cb

The callback callable that gets invoked on requested path. It should match the following prototype:

callback( EventHttpRequest $req = NULL , mixed $arg = NULL ): void

req

EventHttpRequest object.

arg

Custom data.

arg

Custom data.

Dönen Değerler

Başarı durumunda true, başarısızlık durumunda false döner.

Örnekler

Örnek 1 EventHttp::setCallback() example

<?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
*
* 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();
?>

Yukarıdaki örnek şuna benzer bir çıktı üretir:

a=12
HTTP/1.0 200 OK
Content-Type: text/html; charset=ISO-8859-1
Connection: close

Ayrıca Bakınız

add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top