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Diffstat (limited to 'assets/php/vendor/react/socket/src/LimitingServer.php')
-rwxr-xr-x | assets/php/vendor/react/socket/src/LimitingServer.php | 203 |
1 files changed, 0 insertions, 203 deletions
diff --git a/assets/php/vendor/react/socket/src/LimitingServer.php b/assets/php/vendor/react/socket/src/LimitingServer.php deleted file mode 100755 index c7874ee..0000000 --- a/assets/php/vendor/react/socket/src/LimitingServer.php +++ /dev/null @@ -1,203 +0,0 @@ -<?php - -namespace React\Socket; - -use Evenement\EventEmitter; -use Exception; -use OverflowException; - -/** - * The `LimitingServer` decorator wraps a given `ServerInterface` and is responsible - * for limiting and keeping track of open connections to this server instance. - * - * Whenever the underlying server emits a `connection` event, it will check its - * limits and then either - * - keep track of this connection by adding it to the list of - * open connections and then forward the `connection` event - * - or reject (close) the connection when its limits are exceeded and will - * forward an `error` event instead. - * - * Whenever a connection closes, it will remove this connection from the list of - * open connections. - * - * ```php - * $server = new LimitingServer($server, 100); - * $server->on('connection', function (ConnectionInterface $connection) { - * $connection->write('hello there!' . PHP_EOL); - * … - * }); - * ``` - * - * See also the `ServerInterface` for more details. - * - * @see ServerInterface - * @see ConnectionInterface - */ -class LimitingServer extends EventEmitter implements ServerInterface -{ - private $connections = array(); - private $server; - private $limit; - - private $pauseOnLimit = false; - private $autoPaused = false; - private $manuPaused = false; - - /** - * Instantiates a new LimitingServer. - * - * You have to pass a maximum number of open connections to ensure - * the server will automatically reject (close) connections once this limit - * is exceeded. In this case, it will emit an `error` event to inform about - * this and no `connection` event will be emitted. - * - * ```php - * $server = new LimitingServer($server, 100); - * $server->on('connection', function (ConnectionInterface $connection) { - * $connection->write('hello there!' . PHP_EOL); - * … - * }); - * ``` - * - * You MAY pass a `null` limit in order to put no limit on the number of - * open connections and keep accepting new connection until you run out of - * operating system resources (such as open file handles). This may be - * useful if you do not want to take care of applying a limit but still want - * to use the `getConnections()` method. - * - * You can optionally configure the server to pause accepting new - * connections once the connection limit is reached. In this case, it will - * pause the underlying server and no longer process any new connections at - * all, thus also no longer closing any excessive connections. - * The underlying operating system is responsible for keeping a backlog of - * pending connections until its limit is reached, at which point it will - * start rejecting further connections. - * Once the server is below the connection limit, it will continue consuming - * connections from the backlog and will process any outstanding data on - * each connection. - * This mode may be useful for some protocols that are designed to wait for - * a response message (such as HTTP), but may be less useful for other - * protocols that demand immediate responses (such as a "welcome" message in - * an interactive chat). - * - * ```php - * $server = new LimitingServer($server, 100, true); - * $server->on('connection', function (ConnectionInterface $connection) { - * $connection->write('hello there!' . PHP_EOL); - * … - * }); - * ``` - * - * @param ServerInterface $server - * @param int|null $connectionLimit - * @param bool $pauseOnLimit - */ - public function __construct(ServerInterface $server, $connectionLimit, $pauseOnLimit = false) - { - $this->server = $server; - $this->limit = $connectionLimit; - if ($connectionLimit !== null) { - $this->pauseOnLimit = $pauseOnLimit; - } - - $this->server->on('connection', array($this, 'handleConnection')); - $this->server->on('error', array($this, 'handleError')); - } - - /** - * Returns an array with all currently active connections - * - * ```php - * foreach ($server->getConnection() as $connection) { - * $connection->write('Hi!'); - * } - * ``` - * - * @return ConnectionInterface[] - */ - public function getConnections() - { - return $this->connections; - } - - public function getAddress() - { - return $this->server->getAddress(); - } - - public function pause() - { - if (!$this->manuPaused) { - $this->manuPaused = true; - - if (!$this->autoPaused) { - $this->server->pause(); - } - } - } - - public function resume() - { - if ($this->manuPaused) { - $this->manuPaused = false; - - if (!$this->autoPaused) { - $this->server->resume(); - } - } - } - - public function close() - { - $this->server->close(); - } - - /** @internal */ - public function handleConnection(ConnectionInterface $connection) - { - // close connection if limit exceeded - if ($this->limit !== null && count($this->connections) >= $this->limit) { - $this->handleError(new OverflowException('Connection closed because server reached connection limit')); - $connection->close(); - return; - } - - $this->connections[] = $connection; - $that = $this; - $connection->on('close', function () use ($that, $connection) { - $that->handleDisconnection($connection); - }); - - // pause accepting new connections if limit exceeded - if ($this->pauseOnLimit && !$this->autoPaused && count($this->connections) >= $this->limit) { - $this->autoPaused = true; - - if (!$this->manuPaused) { - $this->server->pause(); - } - } - - $this->emit('connection', array($connection)); - } - - /** @internal */ - public function handleDisconnection(ConnectionInterface $connection) - { - unset($this->connections[array_search($connection, $this->connections)]); - - // continue accepting new connection if below limit - if ($this->autoPaused && count($this->connections) < $this->limit) { - $this->autoPaused = false; - - if (!$this->manuPaused) { - $this->server->resume(); - } - } - } - - /** @internal */ - public function handleError(Exception $error) - { - $this->emit('error', array($error)); - } -} |