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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\ServerType; |
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use D3strukt0r\VotifierClient\Exception\Socket\NoConnectionException; |
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use D3strukt0r\VotifierClient\Exception\Socket\PackageNotReceivedException; |
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use D3strukt0r\VotifierClient\Exception\Socket\PackageNotSentException; |
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/** |
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* Creates a class for socket functionality. |
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*/ |
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class Socket |
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{ |
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/** |
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* @var resource the connection to the server |
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*/ |
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private $socket; |
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/** |
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* Closes the connection when the object is destroyed. |
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*/ |
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public function __destruct() |
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{ |
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if (is_resource($this->socket)) { |
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fclose($this->socket); |
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} |
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} |
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/** |
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* Creates a socket connection. |
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* |
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* @param string $host The hostname or IP address |
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* @param int $port The port of Votifier |
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* |
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* @throws NoConnectionException If connection couldn't be established |
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*/ |
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public function open(string $host, int $port): void |
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{ |
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$socket = @fsockopen($host, $port, $errorNumber, $errorString, 3); |
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if (false === $socket) { |
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throw new NoConnectionException($errorString, $errorNumber); |
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} |
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$this->socket = $socket; |
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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 The string to send |
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* |
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* @throws NoConnectionException If connection has not been set up |
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* @throws PackageNotSentException If there was an error sending the package |
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*/ |
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public function write(string $string): void |
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{ |
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if (!is_resource($this->socket)) { |
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throw new NoConnectionException(); |
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} |
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if (false === fwrite($this->socket, $string)) { |
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throw new PackageNotSentException(); |
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} |
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} |
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/** |
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* Gets a string from the server. |
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* |
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* @param int $length The length of the string to be received |
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* |
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* @throws NoConnectionException If connection has not been set up |
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* @throws PackageNotReceivedException If there was an error receiving the package |
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* |
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* @return string returns the string received from the server |
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*/ |
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public function read(int $length = 64): string |
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{ |
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if (!is_resource($this->socket)) { |
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throw new NoConnectionException(); |
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} |
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if (!$string = fread($this->socket, $length)) { |
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throw new PackageNotReceivedException(); |
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} |
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return $string; |
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} |
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} |
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