120 lines
3.0 KiB
PHP
120 lines
3.0 KiB
PHP
<?php
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namespace ManiaControl\Files;
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use ManiaControl\ManiaControl;
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/**
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* Asynchronous File Reader
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*
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* @author kremsy & steeffeen
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*/
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class AsynchronousFileReader {
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/**
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* Constants
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*/
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const TIMEOUT_ERROR = 'Timed out while reading data';
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const RESPONSE_ERROR = 'Connection or response error';
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const NO_DATA_ERROR = 'No data returned';
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const INVALID_RESULT_ERROR = 'Invalid Result';
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const SOCKET_TIMEOUT = 10;
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/**
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* Private Properties
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*/
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private $sockets = array();
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private $maniaControl = null;
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/**
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* Construct
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*
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* @param ManiaControl $maniaControl
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*/
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public function __construct(ManiaControl $maniaControl) {
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$this->maniaControl = $maniaControl;
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}
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/**
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* Appends the Data
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*/
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public function appendData() {
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foreach($this->sockets as $key => &$socket) {
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/** @var SocketStructure $socket */
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$socket->streamBuffer .= fread($socket->socket, 4096);
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if (feof($socket->socket) || time() > ($socket->creationTime + self::SOCKET_TIMEOUT)) {
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fclose($socket->socket);
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unset($this->sockets[$key]);
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$result = "";
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$error = 0;
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if (time() > ($socket->creationTime + self::SOCKET_TIMEOUT)) {
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$error = self::TIMEOUT_ERROR;
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} else if (substr($socket->streamBuffer, 9, 3) != "200") {
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$error = self::RESPONSE_ERROR;
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} else if ($socket->streamBuffer == '') {
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$error = self::NO_DATA_ERROR;
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} else {
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$resultArray = explode("\r\n\r\n", $socket->streamBuffer, 2);
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if (count($resultArray) < 2) {
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$error = self::INVALID_RESULT_ERROR;
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} else {
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$result = $resultArray[1];
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}
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}
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call_user_func($socket->function, $result, $error);
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}
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}
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}
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/**
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* Load a remote file
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*
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* @param string $url
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* @param $function
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* @param string $contentType
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* @param string $customHeader
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* @return bool
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*/
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public function loadFile($url, $function, $contentType = 'utf-8', $customHeader = '') {
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if (!is_callable($function)) {
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$this->maniaControl->log("Function is not callable");
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return false;
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}
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if (!$url) {
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return null;
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}
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$urlData = parse_url($url);
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$port = (isset($urlData['port']) ? $urlData['port'] : 80);
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$urlQuery = isset($urlData['query']) ? "?" . $urlData['query'] : "";
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$socket = @fsockopen($urlData['host'], $port, $errno, $errstr, 4);
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if (!$socket) {
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return false;
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}
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//TODO head over to http/1.1
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if ($customHeader == '') {
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$query = 'GET ' . $urlData['path'] . $urlQuery . ' HTTP/1.0' . PHP_EOL;
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$query .= 'Host: ' . $urlData['host'] . PHP_EOL;
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$query .= 'Content-Type: ' . $contentType . PHP_EOL;
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//$query .= 'Connection: close' . PHP_EOL; //TODO for http 1.1
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$query .= 'User-Agent: ManiaControl v' . ManiaControl::VERSION . PHP_EOL;
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$query .= PHP_EOL;
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} else {
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$query = $customHeader;
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}
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fwrite($socket, $query);
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$success = stream_set_blocking($socket, 0);
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if (!$success) {
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return false;
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}
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$socketStructure = new SocketStructure($url, $socket, $function);
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array_push($this->sockets, $socketStructure);
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return true;
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}
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} |