D-Net

<?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;

private $redis_host='beta.stats.openaire.eu';

private $redis_remote_host='localhost';

public function __construct(){

//		 $redis_host='beta.stats.openaire.eu';

		global $redis_port;

		global $redis_scheme;

		global $host;

                global $db_name;

//$redis_host='localhost';

/*$redis_remote_host='duffy.di.uoa.gr';

                $redis_remote_port=$redis_port;

                $redis_remote_scheme=$redis_scheme;

              */

               $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" => $this->redis_host,"port" => $redis_port,"read_write_timeout" => -1));

                                $this->log->info("redis host: ".$this->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(){

                global $redis_port;

                global $redis_scheme;

                global $host;

$backupKeys=$this->cache->hkeys('STATS_NUMBERS');

$this->log->info("migrating Stat Numbers from ".$this->redis_host." to  ".$this->redis_remote_host." on ".$redis_port);

try {

//todo changed timeout from 0 to -1

                        $this->remotecache = new Predis\Client(array("scheme" => $redis_scheme,"host" => $this->redis_remote_host,"port" => $redis_port,"read_write_timeout" => -1));

                                $this->log->info("redis host: ".$this->redis_remote_host." and redis port: ".$redis_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 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]);}

}

catch(Exception $e) {

$this->log->error('Error : '.$e->getMessage());

}

}

 else

{ $this->log->info("Ignoring chart key: ".$keys[$x]); }

}

$this->remotecache->quit();

$this->cache->quit();

$this->log->info("Done migtating ! ");

}

}

$rc = new MigrateCache();

$rc->migrate();

?>