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<?php |
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namespace Helix\Socket; |
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/** |
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* Server that accepts and wraps incoming connections as client instances. |
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*/ |
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class StreamServer extends AbstractServer { |
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/** |
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* `SOCK_STREAM` |
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* |
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* @return int |
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*/ |
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final public static function getType () { |
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return SOCK_STREAM; |
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} |
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/** |
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* Accepts an incoming client connection. |
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* This will block unless the server was selected for reading. |
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* |
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* @link https://php.net/socket_accept |
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* |
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* @see onAccept() |
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* |
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* @throws Error |
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* @return StreamClient The accepted connection, as a client instance. |
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*/ |
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public function accept () { |
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if (!$resource = @socket_accept($this->resource)) { |
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throw new Error($this->resource); // reliable errno |
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} |
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$client = $this->newClient($resource); |
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$this->onAccept($client); |
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return $client; |
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} |
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/** |
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* Enables incoming connections. |
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* Listening without binding first will cause the socket to bind to a random port on *all* network interfaces. |
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* |
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* @link https://php.net/socket_listen |
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* |
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* @param int $backlog Connection queue size, or `0` to use the system's default. |
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* @throws Error |
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* @return $this |
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*/ |
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public function listen ($backlog = 0) { |
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if (!@socket_listen($this->resource, $backlog)) { |
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throw new Error($this->resource); // reliable errno |
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} |
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return $this; |
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} |
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/** |
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* Wraps an accepted connection. |
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* |
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* @param resource $resource The accepted connection. |
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* @return StreamClient |
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* @throws Error |
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*/ |
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protected function newClient ($resource) { |
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return new StreamClient($resource); |
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} |
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/** |
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* Stub. Called when a client has been accepted. |
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* |
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* @param StreamClient $client |
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* @return void |
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*/ |
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protected function onAccept (StreamClient $client) { |
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} |
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} |
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hfw /
socket
This check looks for parameters that have been defined for a function or method, but which are not used in the method body.