.NET 4.x Программно узнать название minecraft сервера, зная его ip адрес - C#
Формулировка задачи:
как программно узнать название minecraft сервера зная его ip адрес.
Просто делаю программку по серверу minecraft, заранее благодарен.
Решение задачи: «.NET 4.x Программно узнать название minecraft сервера, зная его ip адрес»
textual
Листинг программы
<?php /** * Minecraft Server Status Query * @author Julian Spravil <julian.spr@t-online.de> https://github.com/FunnyItsElmo * @license Free to use but dont remove the author, license and copyright * @copyright © 2013 Julian Spravil */ class MinecraftServerStatus { private $timeout; public function __construct($timeout = 2) { $this->timeout = $timeout; } public function getStatus($host = '127.0.0.1', $port = 25565, $version = '1.7.*') { if (substr_count($host , '.') != 4) $host = gethostbyname($host); $serverdata = array(); $serverdata['hostname'] = $host; $serverdata['version'] = false; $serverdata['protocol'] = false; $serverdata['players'] = false; $serverdata['maxplayers'] = false; $serverdata['motd'] = false; $serverdata['motd_raw'] = false; $serverdata['favicon'] = false; $serverdata['ping'] = false; $socket = $this->connect($host, $port); if(!$socket) { return false; } if(preg_match('/1.7|1.8/',$version)) { $start = microtime(true); $handshake = pack('cccca*', hexdec(strlen($host)), 0, 0x04, strlen($host), $host).pack('nc', $port, 0x01); socket_send($socket, $handshake, strlen($handshake), 0); //give the server a high five socket_send($socket, "\x01\x00", 2, 0); socket_read( $socket, 1 ); $ping = round((microtime(true)-$start)*1000); //calculate the high five duration $packetlength = $this->read_packet_length($socket); if($packetlength < 10) { return false; } socket_read($socket, 1); $packetlength = $this->read_packet_length($socket); $data = socket_read($socket, $packetlength, PHP_NORMAL_READ); if(!$data) { return false; } $data = json_decode($data); $serverdata['version'] = $data->version->name; $serverdata['protocol'] = $data->version->protocol; $serverdata['players'] = $data->players->online; $serverdata['maxplayers'] = $data->players->max; $motd = $data->description; $motd = preg_replace("/(§.)/", "",$motd); $motd = preg_replace("/[^[:alnum:][:punct:] ]/", "", $motd); $serverdata['motd'] = $motd; $serverdata['motd_raw'] = $data->description; $serverdata['favicon'] = $data->favicon; $serverdata['ping'] = $ping; } else { $start = microtime(true); socket_send($socket, "\xFE\x01", 2, 0); $length = socket_recv($socket, $data, 512, 0); $ping = round((microtime(true)-$start)*1000);//calculate the high five duration if($length < 4 || $data[0] != "\xFF") { return false; } $motd = ""; $motdraw = ""; //Evaluate the received data if (substr((String)$data, 3, 5) == "\x00\xa7\x00\x31\x00"){ $result = explode("\x00", mb_convert_encoding(substr((String)$data, 15), 'UTF-8', 'UCS-2')); $motd = $result[1]; $motdraw = $motd; } else { $result = explode('§', mb_convert_encoding(substr((String)$data, 3), 'UTF-8', 'UCS-2')); foreach ($result as $key => $string) { if($key != sizeof($result)-1 && $key != sizeof($result)-2 && $key != 0) { $motd .= '§'.$string; } } $motdraw = $motd; } $motd = preg_replace("/(§.)/", "", $motd); $motd = preg_replace("/[^[:alnum:][:punct:] ]/", "", $motd); //Remove all special characters from a string $serverdata['version'] = $result[0]; $serverdata['players'] = $result[sizeof($result)-2]; $serverdata['maxplayers'] = $result[sizeof($result)-1]; $serverdata['motd'] = $motd; $serverdata['motd_raw'] = $motdraw; $serverdata['ping'] = $ping; } $this->disconnect($socket); return $serverdata; } private function connect($host, $port) { $socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP); if (!@socket_connect($socket, $host, $port)) { $this->disconnect($socket); return false; } return $socket; } private function disconnect($socket) { if($socket != null) { socket_close($socket); } } private function read_packet_length($socket) { $a = 0; $b = 0; while(true) { $c = socket_read($socket, 1); if(!$c) { return 0; } $c = Ord($c); $a |= ($c & 0x7F) << $b++ * 7; if( $b > 5 ) { return false; } if(($c & 0x80) != 128) { break; } } return $a; } }
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