<?php
	/**
	 * This program is free software: you can redistribute it and/or modify
	 * it under the terms of the GNU General Public License as published by
	 * the Free Software Foundation, either version 3 of the License, or
	 * (at your option) any later version.
	 *
	 * This program is distributed in the hope that it will be useful,
	 * but WITHOUT ANY WARRANTY; without even the implied warranty of
	 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	 * GNU General Public License for more details.
	 *
	 * You should have received a copy of the GNU General Public License
	 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
	 *
	 */
	
	
	//Last Edit: 15:56 14.06.2009
	//	added date index to getAnnouncement
	//	added 1 second timeout to getAnnouncement
	//	added author and url (this time for real) to announcement indexes
	
	/////// -- CONFIG STUFF -- ///////
	//
	// Steam Group RSS file
	define("RSS", "changeme");
	//
	// Shoutcast Password?
	define("PASSWORD", "changeme");
	//
	// Shoutcast Port?
	define("PORT", 8000);
	//
	// Shoutcast Server?
	define("SHOUTCAST", "changeme");
	//
	/////// -- END CONFIG -- ///////
	//
	//	getAnnouncement returns an array of the last Steam announcement, split into the following indexes:
	//
	//		title			- The title of the announcement
	//		content			- The message of the announcement
	//		author			- The poster of the announcement
	//		url				- The URL linking to the announcement
	//		date			- Publication date
	//
	//	getShoutcast retuns an array with stream info, split into the following indexes:
	//		
	//		status			- Whether or not there is a DJ (can be either 1 or 0)
	//		listeners		- Number of the current listeners
	//		maxlisteners	- Number of max. listeners set by the Server
	//		dj				- The current DJ (That is the part after the colon in the stream title)
	//		song			- The current song
	//		bitrate			- The bitrate at which the stream is broadcasted
	//		peaklisteners	- The highested numbers of listeners tuned in at the same time
	//		history			- The song history, which itself is an array containing the last 9 songs played, starting at 0.
	//						  The songs themselves are split into playedat and title. So for example, $sc['history'][0]['title']
	//						  would be the name of the song played before the current one.
	//
	////////////////////////////////
	

	function getAnnouncement() {
		
		$ctx = stream_context_create(array('http' => array('timeout' => 1))); 
		$xml = file_get_contents(RSS, 0, $ctx);
		
		if (!$xml)
			return false;
		
		$xmlparser = xml_parser_create();	
		xml_parser_set_option($xmlparser, XML_OPTION_SKIP_WHITE, true);
		
		if (!xml_parse_into_struct($xmlparser, $xml, $values, $indexes))
			return false;
		
		xml_parser_free($xmlparser);
		
		$pos = strrpos($values[$indexes['DESCRIPTION'][1]]['value'], ' - ');

		$announcement = array(
			'title' => $values[$indexes['TITLE'][1]]['value'],
			'content' => substr($values[$indexes['DESCRIPTION'][1]]['value'], 0,  $pos),
			'author' => substr($values[$indexes['DESCRIPTION'][1]]['value'], $pos + 3),
			'url' => $values[$indexes['LINK'][1]]['value'],
			'date' => $values[$indexes['PUBDATE'][0]]['value']
		);
		
		return $announcement;
		
	}
	
	function getShoutcast() {
		$fp = fsockopen(SHOUTCAST, PORT, $errno, $errstr, 10);
		if (!$fp)
			return false;
		else {
			fputs($fp, "GET /admin.cgi?pass=".PASSWORD."&mode=viewxml HTTP/1.0\r\n");
			fputs($fp, "User-Agent: Mozilla\r\n\r\n");

			$xml = '';			
			while (!feof($fp)) {
				$xml .= fgets($fp, 512);
			}
			fclose($fp);

			if (stristr($xml, 'HTTP/1.0 200 OK') == true) {
				$xml = trim(substr($xml, 42));
			} else {
				return false;
			}

			$xmlparser = xml_parser_create();
			if (!xml_parse_into_struct($xmlparser, $xml, $values, $indexes)) {
					return false;
			}
	
			xml_parser_free($xmlparser);
			
			
			$dj = ($values[$indexes['SERVERTITLE'][0]]['value']);
			$dj = explode(': ', $dj, 2);
			
			for($i = 1; $i < sizeof($indexes['TITLE']); $i++) {
				$arrhistory[$i-1] = array(
					"playedat"=>$values[$indexes['PLAYEDAT'][$i]]['value'],
					"title"=>$values[$indexes['TITLE'][$i]]['value']
				);
			}
			
			$sc = array(
				'status' => $values[$indexes['STREAMSTATUS'][0]]['value'],
				'listeners' => $values[$indexes['CURRENTLISTENERS'][0]]['value'],
				'maxlisteners' => $values[$indexes['MAXLISTENERS'][0]]['value'],
				'dj' => $dj[1],
				'song' => $values[$indexes['SONGTITLE'][0]]['value'],
				'history' => $arrhistory,
				'bitrate' => $values[$indexes['BITRATE'][0]]['value'],
				'peaklisteners' => $values[$indexes['PEAKLISTENERS'][0]]['value']
			);	
			
			return $sc;
		}
	}
?>