[EDIT] FILE: SocketServer.php

<?php namespace RectorPrefix202411\React\Socket; use RectorPrefix202411\Evenement\EventEmitter; use RectorPrefix202411\React\EventLoop\LoopInterface; final class SocketServer extends EventEmitter implements ServerInterface { private $server; /** * The `SocketServer` class is the main class in this package that implements the `ServerInterface` and * allows you to accept incoming streaming connections, such as plaintext TCP/IP or secure TLS connection streams. * * ```php * $socket = new React\Socket\SocketServer('127.0.0.1:0'); * $socket = new React\Socket\SocketServer('127.0.0.1:8000'); * $socket = new React\Socket\SocketServer('127.0.0.1:8000', $context); * ``` * * 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 $uri * @param array $context * @param ?LoopInterface $loop * @throws \InvalidArgumentException if the listening address is invalid * @throws \RuntimeException if listening on this address fails (already in use etc.) */ public function __construct($uri, array $context = array(), $loop = null) { if ($loop !== null && !$loop instanceof LoopInterface) { // manual type check to support legacy PHP < 7.1 throw new \InvalidArgumentException('Argument #3 ($loop) expected null|React\\EventLoop\\LoopInterface'); } // apply default options if not explicitly given $context += array('tcp' => array(), 'tls' => array(), 'unix' => array()); $scheme = 'tcp'; $pos = \strpos($uri, '://'); if ($pos !== \false) { $scheme = \substr($uri, 0, $pos); } if ($scheme === 'unix') { $server = new UnixServer($uri, $loop, $context['unix']); } elseif ($scheme === 'php') { $server = new FdServer($uri, $loop); } else { if (\preg_match('#^(?:\\w+://)?\\d+$#', $uri)) { throw new \InvalidArgumentException('Invalid URI given (EINVAL)', \defined('SOCKET_EINVAL') ? \SOCKET_EINVAL : (\defined('PCNTL_EINVAL') ? \PCNTL_EINVAL : 22)); } $server = new TcpServer(\str_replace('tls://', '', $uri), $loop, $context['tcp']); if ($scheme === 'tls') { $server = new SecureServer($server, $loop, $context['tls']); } } $this->server = $server; $that = $this; $server->on('connection', function (ConnectionInterface $conn) use($that) { $that->emit('connection', array($conn)); }); $server->on('error', function (\Exception $error) use($that) { $that->emit('error', array($error)); }); } public function getAddress() { return $this->server->getAddress(); } public function pause() { $this->server->pause(); } public function resume() { $this->server->resume(); } public function close() { $this->server->close(); } /** * [internal] Internal helper method to accept new connection from given server socket * * @param resource $socket server socket to accept connection from * @return resource new client socket if any * @throws \RuntimeException if accepting fails * @internal */ public static function accept($socket) { $errno = 0; $errstr = ''; \set_error_handler(function ($_, $error) use(&$errno, &$errstr) { // Match errstr from PHP's warning message. // stream_socket_accept(): accept failed: Connection timed out $errstr = \preg_replace('#.*: #', '', $error); $errno = SocketServer::errno($errstr); }); $newSocket = \stream_socket_accept($socket, 0); \restore_error_handler(); if (\false === $newSocket) { throw new \RuntimeException('Unable to accept new connection: ' . $errstr . self::errconst($errno), $errno); } return $newSocket; } /** * [Internal] Returns errno value for given errstr * * The errno and errstr values describes the type of error that has been * encountered. This method tries to look up the given errstr and find a * matching errno value which can be useful to provide more context to error * messages. It goes through the list of known errno constants when either * `ext-sockets`, `ext-posix` or `ext-pcntl` is available to find an errno * matching the given errstr. * * @param string $errstr * @return int errno value (e.g. value of `SOCKET_ECONNREFUSED`) or 0 if not found * @internal * @copyright Copyright (c) 2023 Christian Lück, taken from https://github.com/clue/errno with permission * @codeCoverageIgnore */ public static function errno($errstr) { // PHP defines the required `strerror()` function through either `ext-sockets`, `ext-posix` or `ext-pcntl` $strerror = \function_exists('socket_strerror') ? 'socket_strerror' : (\function_exists('posix_strerror') ? 'posix_strerror' : (\function_exists('pcntl_strerror') ? 'pcntl_strerror' : null)); if ($strerror !== null) { \assert(\is_string($strerror) && \is_callable($strerror)); // PHP defines most useful errno constants like `ECONNREFUSED` through constants in `ext-sockets` like `SOCKET_ECONNREFUSED` // PHP also defines a hand full of errno constants like `EMFILE` through constants in `ext-pcntl` like `PCNTL_EMFILE` // go through list of all defined constants like `SOCKET_E*` and `PCNTL_E*` and see if they match the given `$errstr` foreach (\get_defined_constants(\false) as $name => $value) { if (\is_int($value) && (\strpos($name, 'SOCKET_E') === 0 || \strpos($name, 'PCNTL_E') === 0) && $strerror($value) === $errstr) { return $value; } } // if we reach this, no matching errno constant could be found (unlikely when `ext-sockets` is available) // go through list of all possible errno values from 1 to `MAX_ERRNO` and see if they match the given `$errstr` for ($errno = 1, $max = \defined('MAX_ERRNO') ? \MAX_ERRNO : 4095; $errno <= $max; ++$errno) { if ($strerror($errno) === $errstr) { return $errno; } } } // if we reach this, no matching errno value could be found (unlikely when either `ext-sockets`, `ext-posix` or `ext-pcntl` is available) return 0; } /** * [Internal] Returns errno constant name for given errno value * * The errno value describes the type of error that has been encountered. * This method tries to look up the given errno value and find a matching * errno constant name which can be useful to provide more context and more * descriptive error messages. It goes through the list of known errno * constants when either `ext-sockets` or `ext-pcntl` is available to find * the matching errno constant name. * * Because this method is used to append more context to error messages, the * constant name will be prefixed with a space and put between parenthesis * when found. * * @param int $errno * @return string e.g. ` (ECONNREFUSED)` or empty string if no matching const for the given errno could be found * @internal * @copyright Copyright (c) 2023 Christian Lück, taken from https://github.com/clue/errno with permission * @codeCoverageIgnore */ public static function errconst($errno) { // PHP defines most useful errno constants like `ECONNREFUSED` through constants in `ext-sockets` like `SOCKET_ECONNREFUSED` // PHP also defines a hand full of errno constants like `EMFILE` through constants in `ext-pcntl` like `PCNTL_EMFILE` // go through list of all defined constants like `SOCKET_E*` and `PCNTL_E*` and see if they match the given `$errno` foreach (\get_defined_constants(\false) as $name => $value) { if ($value === $errno && (\strpos($name, 'SOCKET_E') === 0 || \strpos($name, 'PCNTL_E') === 0)) { return ' (' . \substr($name, \strpos($name, '_') + 1) . ')'; } } // if we reach this, no matching errno constant could be found (unlikely when `ext-sockets` is available) return ''; } }
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