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33214
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eri.katsar
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<?php
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require_once('./js/log4php/Logger.php');
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require_once('./paths.php');
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require_once('./MYDB.php');
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class RestoreCache {
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private $log;
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private $db;
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private $cache = null; //predis
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public function __construct(){
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global $redis_host;
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global $redis_port;
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global $redis_scheme;
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global $host;
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$this->log = Logger::getLogger("RestoreCache");
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Logger::configure('./js/log4php/log4php.xml');
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if(class_exists("Predis\Client")){
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try {
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//todo changed timeout from 0 to -1
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$this->cache = new Predis\Client(array("scheme" => $redis_scheme,"host" => $redis_host,"port" => $redis_port,"read_write_timeout" => -1));
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$this->log->info("redis host: ".$redis_host." and redis port: ".$redis_port);
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} catch(Exception $e) {
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$this->log->error("Error connecting to Redis server: ".$e->getMessage());
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$this->cache = null;
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}
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}
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else{
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$this->log->info("cache does not exist"); //predis
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exit;
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}
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}
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public function restore()
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{
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//first restore numbers
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$backupKeys=$this->cache->hkeys('STATS_NUMBERS_BACKUP');
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$this->log->info("Restoring Stat Numbers...");
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for($x=0;$x<count($backupKeys);$x++)
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{
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$key=$backupKeys[$x];
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$value=$this->cache->hget('STATS_NUMBERS_BACKUP',$key);
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$this->cache->hset('STATS_NUMBERS',$key,$value); }
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//now promote all other entries
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$keys = $this->cache->keys("*");
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33890
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eri.katsar
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$this->log->info("Restoring data queries...");
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$this->log->info("*******************************************");
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33214
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eri.katsar
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for($x=0;$x<count($keys);$x++) {
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if ((strpos($keys[$x],'chart')===false)&&(strpos($keys[$x],'table')===false)&&(strpos($keys[$x],'STATS')===false) )
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{
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try{
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$query = $this->cache->hget($keys[$x],'query');
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$persistent= $this->cache->hget($keys[$x],'persistent');
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37784
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eri.katsar
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if($query!=null)
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33214
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eri.katsar
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{
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$fetchMode = $this->cache->hget($keys[$x], 'fetchMode');
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$shadowResults = $this->cache->hget($keys[$x],'shadow');
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$result = $this->cache->hget($keys[$x], 'results');
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$backup = $this->cache->hget($keys[$x], 'backup');
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$this->cache->hmset($keys[$x],array("results" =>$backup,"query" =>$query,"persistent" =>$persistent,"shadow" =>$shadowResults,"fetchMode" =>$fetchMode,"backup" =>$backup));
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33890
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eri.katsar
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$this->log->info("Restored ".$keys[$x]);
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33214
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eri.katsar
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33890
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eri.katsar
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33214
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eri.katsar
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}
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}//catch
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catch(Exception $e) {
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$this->log->error('Error : '.$e->getMessage());
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}
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}
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else
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{ $this->log->info("Ignoring chart key: ".$keys[$x]); }
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}
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$this->cache->quit();
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$this->log->info("Done! ");
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}
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}
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?>
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