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<?php |
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/** |
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* Votifier PHP Client |
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* |
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* @package VotifierClient |
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* @author Manuele Vaccari <[email protected]> |
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* @copyright Copyright (c) 2017-2020 Manuele Vaccari <[email protected]> |
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* @license https://github.com/D3strukt0r/votifier-client-php/blob/master/LICENSE.txt GNU General Public License v3.0 |
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* @link https://github.com/D3strukt0r/votifier-client-php |
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*/ |
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namespace D3strukt0r\VotifierClient; |
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use D3strukt0r\VotifierClient\ServerType\ServerTypeInterface; |
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use Exception; |
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/** |
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* The class ServerConnection is used to create a connection to a server. |
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*/ |
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class ServerConnection |
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{ |
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/** |
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* @var ServerTypeInterface the server type information package |
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*/ |
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private $serverType; |
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/** |
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* @var resource the connection to the server |
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*/ |
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private $s; |
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/** |
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* Creates the ServerConnection object. |
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* |
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* @param ServerTypeInterface $serverType (Required) The server type information package to connect to |
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* |
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* @throws Exception |
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*/ |
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public function __construct(ServerTypeInterface $serverType) |
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{ |
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$this->serverType = $serverType; |
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$s = fsockopen($serverType->getHost(), $serverType->getPort(), $errorNumber, $errorString, 3); |
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if (false === $s) { |
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throw new Exception($errorString, $errorNumber); |
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} |
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$this->s = $s; |
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} |
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/** |
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* Closes the connection when the object is destroyed. |
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*/ |
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public function __destruct() |
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{ |
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if ($this->s) { |
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fclose($this->s); |
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} |
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} |
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/** |
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* Sends a string to the server. |
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* |
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* @param string $string (Required) The string which should be sent to the server |
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* |
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* @return bool returns true if string was sent, or false if not |
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*/ |
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public function send(string $string): bool |
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{ |
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if (!$this->s) { |
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return false; |
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} |
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if (false === fwrite($this->s, $string)) { |
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$this->__destruct(); |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Reads a string which is being received from the server. |
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* |
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* @param int $length (Optional) The length of the requested string |
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* |
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* @return string|null returns the string that was received from the server |
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*/ |
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public function receive(int $length = 64): ?string |
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{ |
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if (!$this->s) { |
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return null; |
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} |
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if (!$s = fread($this->s, $length)) { |
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return null; |
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} |
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return $s; |
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} |
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} |
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D3strukt0r /
votifier-client-php
