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Edit File : UnixServer.php \| Size : 4.58 KB
<?php namespace React\Socket; use Evenement\EventEmitter; use React\EventLoop\Loop; use React\EventLoop\LoopInterface; use InvalidArgumentException; use RuntimeException; /** * The `UnixServer` class implements the `ServerInterface` and * is responsible for accepting plaintext connections on unix domain sockets. * * ```php * $server = new React\Socket\UnixServer('unix:///tmp/app.sock'); * ``` * * See also the `ServerInterface` for more details. * * @see ServerInterface * @see ConnectionInterface / final class UnixServer extends EventEmitter implements ServerInterface { private $master; private $loop; private $listening = false; /* * Creates a plaintext socket server and starts listening on the given unix socket * * This starts accepting new incoming connections on the given address. * See also the `connection event` documented in the `ServerInterface` * for more details. * * ```php * $server = new React\Socket\UnixServer('unix:///tmp/app.sock'); * ``` * * This class takes an optional `LoopInterface\|null $loop` parameter that can be used to * pass the event loop instance to use for this object. You can use a `null` value * here in order to use the [default loop](https://github.com/reactphp/event-loop#loop). * This value SHOULD NOT be given unless you're sure you want to explicitly use a * given event loop instance. * * @param string $path * @param ?LoopInterface $loop * @param array $context * @throws InvalidArgumentException if the listening address is invalid * @throws RuntimeException if listening on this address fails (already in use etc.) / public function __construct($path, LoopInterface $loop = null, array $context = array()) { $this->loop = $loop ?: Loop::get(); if (\strpos($path, '://') === false) { $path = 'unix://' . $path; } elseif (\substr($path, 0, 7) !== 'unix://') { throw new \InvalidArgumentException('Given URI "' . $path . '" is invalid'); } $this->master = @\stream_socket_server( $path, $errno, $errstr, \STREAM_SERVER_BIND \| \STREAM_SERVER_LISTEN, \stream_context_create(array('socket' => $context)) ); if (false === $this->master) { // PHP does not seem to report errno/errstr for Unix domain sockets (UDS) right now. // This only applies to UDS server sockets, see also https://3v4l.org/NAhpr. // Parse PHP warning message containing unknown error, HHVM reports proper info at least. if ($errno === 0 && $errstr === '') { $error = \error_get_last(); if (\preg_match('/\(([^\)]+)\)\|\[(\d+)\]: (.)/', $error['message'], $match)) { $errstr = isset($match[3]) ? $match['3'] : $match[1]; $errno = isset($match[2]) ? (int)$match[2] : 0; } } throw new \RuntimeException('Failed to listen on Unix domain socket "' . $path . '": ' . $errstr, $errno); } \stream_set_blocking($this->master, 0); $this->resume(); } public function getAddress() { if (!\is_resource($this->master)) { return null; } return 'unix://' . \stream_socket_get_name($this->master, false); } public function pause() { if (!$this->listening) { return; } $this->loop->removeReadStream($this->master); $this->listening = false; } public function resume() { if ($this->listening \|\| !is_resource($this->master)) { return; } $that = $this; $this->loop->addReadStream($this->master, function ($master) use ($that) { $newSocket = @\stream_socket_accept($master, 0); if (false === $newSocket) { $that->emit('error', array(new \RuntimeException('Error accepting new connection'))); return; } $that->handleConnection($newSocket); }); $this->listening = true; } public function close() { if (!\is_resource($this->master)) { return; } $this->pause(); \fclose($this->master); $this->removeAllListeners(); } /** @internal */ public function handleConnection($socket) { $connection = new Connection($socket, $this->loop); $connection->unix = true; $this->emit('connection', array( $connection )); } } Back

Edit File : UnixServer.php | Size : 4.58 KB

<?php

namespace React\Socket;

use Evenement\EventEmitter;
use React\EventLoop\Loop;
use React\EventLoop\LoopInterface;
use InvalidArgumentException;
use RuntimeException;

/**
 * The `UnixServer` class implements the `ServerInterface` and
 * is responsible for accepting plaintext connections on unix domain sockets.
 *
 * ```php
 * $server = new React\Socket\UnixServer('unix:///tmp/app.sock');
 * ```
 *
 * See also the `ServerInterface` for more details.
 *
 * @see ServerInterface
 * @see ConnectionInterface
 */
final class UnixServer extends EventEmitter implements ServerInterface
{
    private $master;
    private $loop;
    private $listening = false;

/**
     * Creates a plaintext socket server and starts listening on the given unix socket
     *
     * This starts accepting new incoming connections on the given address.
     * See also the `connection event` documented in the `ServerInterface`
     * for more details.
     *
     * ```php
     * $server = new React\Socket\UnixServer('unix:///tmp/app.sock');
     * ```
     *
     * This class takes an optional `LoopInterface|null $loop` parameter that can be used to
     * pass the event loop instance to use for this object. You can use a `null` value
     * here in order to use the [default loop](https://github.com/reactphp/event-loop#loop).
     * This value SHOULD NOT be given unless you're sure you want to explicitly use a
     * given event loop instance.
     *
     * @param string         $path
     * @param ?LoopInterface $loop
     * @param array          $context
     * @throws InvalidArgumentException if the listening address is invalid
     * @throws RuntimeException if listening on this address fails (already in use etc.)
     */
    public function __construct($path, LoopInterface $loop = null, array $context = array())
    {
        $this->loop = $loop ?: Loop::get();

if (\strpos($path, '://') === false) {
            $path = 'unix://' . $path;
        } elseif (\substr($path, 0, 7) !== 'unix://') {
            throw new \InvalidArgumentException('Given URI "' . $path . '" is invalid');
        }

$this->master = @\stream_socket_server(
            $path,
            $errno,
            $errstr,
            \STREAM_SERVER_BIND | \STREAM_SERVER_LISTEN,
            \stream_context_create(array('socket' => $context))
        );
        if (false === $this->master) {
            // PHP does not seem to report errno/errstr for Unix domain sockets (UDS) right now.
            // This only applies to UDS server sockets, see also https://3v4l.org/NAhpr.
            // Parse PHP warning message containing unknown error, HHVM reports proper info at least.
            if ($errno === 0 && $errstr === '') {
                $error = \error_get_last();
                if (\preg_match('/$([^$]+)\)|\[(\d+)\]: (.*)/', $error['message'], $match)) {
                    $errstr = isset($match[3]) ? $match['3'] : $match[1];
                    $errno = isset($match[2]) ? (int)$match[2] : 0;
                }
            }

throw new \RuntimeException('Failed to listen on Unix domain socket "' . $path . '": ' . $errstr, $errno);
        }
        \stream_set_blocking($this->master, 0);

$this->resume();
    }

public function getAddress()
    {
        if (!\is_resource($this->master)) {
            return null;
        }

return 'unix://' . \stream_socket_get_name($this->master, false);
    }

public function pause()
    {
        if (!$this->listening) {
            return;
        }

$this->loop->removeReadStream($this->master);
        $this->listening = false;
    }

public function resume()
    {
        if ($this->listening || !is_resource($this->master)) {
            return;
        }

$that = $this;
        $this->loop->addReadStream($this->master, function ($master) use ($that) {
            $newSocket = @\stream_socket_accept($master, 0);
            if (false === $newSocket) {
                $that->emit('error', array(new \RuntimeException('Error accepting new connection')));

return;
            }
            $that->handleConnection($newSocket);
        });
        $this->listening = true;
    }

public function close()
    {
        if (!\is_resource($this->master)) {
            return;
        }

$this->pause();
        \fclose($this->master);
        $this->removeAllListeners();
    }

/** @internal */
    public function handleConnection($socket)
    {
        $connection = new Connection($socket, $this->loop);
        $connection->unix = true;

$this->emit('connection', array(
            $connection
        ));
    }
}

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