<?php
require_once('./js/log4php/Logger.php');
require_once('./paths.php');
require_once('./MYDB.php');

class MigrateCache {
	private $log;
	private $db;
	private $cache = null; //predis
private $remotecache=null;
public function __construct(){
		global $redis_host;
		global $redis_port;
		global $redis_scheme;
		global $host;  
                global $db_name;
                               $this->log = Logger::getLogger("__CLASS__");
               Logger::configure('./js/log4php/log4php.xml');	
 
             if(class_exists("Predis\Client")){
                        try {
//todo changed timeout from 0 to -1 
                        $this->cache = new Predis\Client(array("scheme" => $redis_scheme,"host" => $redis_host,"port" => $redis_port,"read_write_timeout" => -1));
                                $this->log->info("redis host: ".$redis_host." and redis port: ".$redis_port);
                        } catch(Exception $e) {
                                $this->log->error("Error connecting to Redis server: ".$e->getMessage());
                                $this->cache = null;
                        }
                }
        else{
            $this->log->info("cache does not exist"); //predis
                        exit;
        }
	}
public function migrate($redis_remote_host,$redis_remote_port)
{global $redis_host;
                global $redis_port;
                global $redis_scheme;
                global $host;
          
$backupKeys=$this->cache->hkeys('STATS_NUMBERS');
$this->log->info("migrating Stat Numbers from ".$redis_host." to  ".$redis_remote_host." on ".$redis_remote_port);
try {
//todo changed timeout from 0 to -1 
                        $this->remotecache = new Predis\Client(array("scheme" => $redis_scheme,"host" => $redis_remote_host,"port" => $redis_port,"read_write_timeout" => -1));
                                $this->log->info("redis host: ".$redis_remote_host." and redis port: ".$redis_remote_port);
                        } catch(Exception $e) {
                                $this->log->error("Error connecting to Redis server: ".$e->getMessage());
                                $this->cache = null;
                        }
$this->remotecache->connect();
for($x=0;$x<count($backupKeys);$x++)
{
  $key=$backupKeys[$x];
  $value=$this->cache->hget('STATS_NUMBERS',$key);

$this->log->info("saving  : ".$key." : ".$value);
$this->remotecache->hmset('STATS_NUMBERS',$key,$value);
$this->log->info("query saved  : ".$this->remotecache->hget('STATS_NUMBERS',$key));
}
 $this->log->info("migrating Shadow Stat Numbers from ".$redis_host." to  ".$redis_remote_host." on ".$redis_remote_port);
$backupKeys=$this->cache->hkeys('SHADOW_STATS_NUMBERS');

for($x=0;$x<count($backupKeys);$x++)
{
        $key=$backupKeys[$x];
        $value=$this->cache->hget('SHADOW_STATS_NUMBERS',$key);

$this->log->info("saving  : ".$key." : ".$value);
$this->remotecache->hmset('SHADOW_STATS_NUMBERS',$key,$value);
$this->log->info("query saved  : ".$this->remotecache->hget('SHADOW_STATS_NUMBERS',$key));
}
//*****************************
$this->log->info("Migrating data queries...");
$this->log->info("*******************************************");
$keys = $this->cache->keys("*");
for($x=0;$x<count($keys);$x++) {
if (strpos($keys[$x],'STATS')===false)
{try
{$values=$this->cache->hgetall($keys[$x]);
$this->log->info("Moving...");
$this->remotecache->hmset($keys[$x],$values);
$this->log->info("id : ".$keys[$x]);
//$this->log->info("res: ".$this->remotecache->hget($keys[$x],"results"));} 
}
catch(Exception $e) 
{$this->log->error('Error : '.$e->getMessage());}
}
else
{$this->log->info("Ignoring chart key: ".$keys[$x]); }}
$this->cache->quit();


$keys = $this->remotecache->keys("*");

$keys = $this->remotecache->keys("*");
for($x=0;$x<count($keys);$x++)
{if (strpos($keys[$x],'STATS')===false&&$this->remotecache->hget($keys[$x],"persistent")!='true')
{try{
$this->log->info("Deleting...".$keys[$x]." for pers ".$this->remotecache->hget($keys[$x],"persistent"));
$this->remotecache->del($keys[$x]);
}
catch(Exception $e) {
$this->log->error('Error : '.$e->getMessage());
}
}

}


$this->remotecache->quit();
$this->log->info("Done migrating ! ");
}

}
//$rc = new MigrateCache();
//$rc->migrate();
?>