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114 lines
3.1 KiB
114 lines
3.1 KiB
<?php
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/**
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* @file
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* TeamSpeak 3 PHP Framework
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*
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* $Id: UDP.php 06/06/2016 22:27:13 scp@Svens-iMac $
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @package TeamSpeak3
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* @version 1.1.24
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* @author Sven 'ScP' Paulsen
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* @copyright Copyright (c) 2010 by Planet TeamSpeak. All rights reserved.
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*/
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/**
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* @class TeamSpeak3_Transport_UDP
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* @brief Class for connecting to a remote server through UDP.
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*/
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class TeamSpeak3_Transport_UDP extends TeamSpeak3_Transport_Abstract
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{
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/**
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* Connects to a remote server.
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*
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* @throws TeamSpeak3_Transport_Exception
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* @return void
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*/
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public function connect()
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{
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if($this->stream !== null) return;
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$host = strval($this->config["host"]);
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$port = strval($this->config["port"]);
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$address = "udp://" . (strstr($host, ":") !== FALSE ? "[" . $host . "]" : $host) . ":" . $port;
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$timeout = (int) $this->config["timeout"];
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$this->stream = @stream_socket_client($address, $errno, $errstr, $timeout);
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if($this->stream === FALSE)
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{
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throw new TeamSpeak3_Transport_Exception(TeamSpeak3_Helper_String::factory($errstr)->toUtf8()->toString(), $errno);
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}
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@stream_set_timeout($this->stream, $timeout);
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@stream_set_blocking($this->stream, $this->config["blocking"] ? 1 : 0);
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}
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/**
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* Disconnects from a remote server.
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*
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* @return void
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*/
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public function disconnect()
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{
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if($this->stream === null) return;
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$this->stream = null;
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TeamSpeak3_Helper_Signal::getInstance()->emit(strtolower($this->getAdapterType()) . "Disconnected");
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}
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/**
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* Reads data from the stream.
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*
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* @param integer $length
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* @throws TeamSpeak3_Transport_Exception
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* @return TeamSpeak3_Helper_String
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*/
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public function read($length = 4096)
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{
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$this->connect();
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$this->waitForReadyRead();
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$data = @fread($this->stream, $length);
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TeamSpeak3_Helper_Signal::getInstance()->emit(strtolower($this->getAdapterType()) . "DataRead", $data);
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if($data === FALSE)
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{
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throw new TeamSpeak3_Transport_Exception("connection to server '" . $this->config["host"] . ":" . $this->config["port"] . "' lost");
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}
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return new TeamSpeak3_Helper_String($data);
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}
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/**
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* Writes data to the stream.
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*
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* @param string $data
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* @return void
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*/
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public function send($data)
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{
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$this->connect();
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@stream_socket_sendto($this->stream, $data);
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TeamSpeak3_Helper_Signal::getInstance()->emit(strtolower($this->getAdapterType()) . "DataSend", $data);
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}
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}
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