khanat-code-old/code/ryzom/tools/server/www/webig/lib/pdr_util.php
2012-04-16 01:31:21 +02:00

124 lines
2.4 KiB
PHP

<?php
class PdrUtil {
/**
* Shard seems to be saving guild file every few seconds.
* Increase cache valid timer a bit.
*
* @const int cache expire in seconds
*/
const CACHE_MIN_TIME = 15;
/**
* Where does shard keep it's character, guild files
*
* @var string
*/
private $_shard_save;
/**
* Directory where sheet_id.bin is
*
* @var string
*/
private $_sheetid_dir;
/**
* Directory for extracted character, guild xml files
*
* @var string
*/
private $_unpack_dir;
/**
* Public Constructor for PdrUtil
*
* @param string $save_path
* @param string $unpack temp unpack directory, default is /tmp/
*/
function __construct($shard_save, $sheetid_dir, $unpack = '/tmp/'){
$this->_shard_save = $shard_save;
$this->_sheetid_dir = $sheetid_dir;
$this->_unpack_dir = $unpack;
}
function setShardSaveDirectory($dir){
$this->_shard_save = $dir;
}
function getShardSaveDirectory(){
return $this->_shard_save;
}
function setSheetIdDirectory($dir){
$this->_sheetid_dir = $dir;
}
function getSheetIdDirectory(){
return $this->_sheetid_dir;
}
function setUnpackDirectory($dir){
$this->_unpack_dir = $dir;
}
function getUnpackDirectory(){
return $this->_unpack_dir;
}
/**
* Extract $pdr file to $xml file
*
* @param string $pdr
* @param string $xml
* @return bool
*/
function extract($pdr, $xml){
if(!file_exists($pdr)){
return false;
}
$pdr_mtime = filemtime($pdr);
if(file_exists($xml)){
$xml_mtime = filemtime($xml);
}else{
$xml_mtime = 0;
}
$diff = $pdr_mtime - $xml_mtime;
if($diff > self::CACHE_MIN_TIME){
// remove expired xml file
@unlink($xml);
// change working directory to unpack directory to keep pdr_util log file in one place
$pwd = getcwd();
chdir($this->_unpack_dir);
// run pdr_util
$cmd = sprintf(' -s%s -x -o%s %s', $this->_sheetid_dir, $xml, $pdr);
exec(CMD_PDR_UTIL.' '.$cmd);
// change working directory back what it was before
chdir($pwd);
}
// if pdr_util failed, then there is no xml file
return file_exists($xml);
}
/**
* @param string $fname
* @return string ShardSaveDirectory + fname
*/
function getSaveFileName($fname){
return $this->getShardSaveDirectory().'/'.$fname;
}
/**
* @param string $fname
* return string TempDirectory + $fname
*/
function getXmlFileName($fname){
return $this->getUnpackDirectory().'/'.$fname;
}
}