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<?php
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2
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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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5
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6
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class PromoteCharts {
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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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11
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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(__CLASS__);
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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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36
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37
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public function replace()
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{
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global $redis_host;
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global $redis_port;
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global $redis_scheme;
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$this->cache = new Predis\Client(array("scheme" => $redis_scheme, "host" => $redis_host, "port" => $redis_port));
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$this->cache->connect(); //predis
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46
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//now promote all other entries
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$keys = $this->cache->keys("*");
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49
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$this->log->info("Promoting data queries...");
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$this->log->info("*******************************************");
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for($x=0;$x<count($keys);$x++) {
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$this->log->info("Looking up for key: ".$keys[$x]);
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if (strpos($keys[$x],'STATS')===false)
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{
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try
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{
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$query = $this->cache->hget($keys[$x],'query');
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$persistent= $this->cache->hget($keys[$x],'persistent');
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if($query!=null)
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{ $this->log->info("going to replace the results for key: ".$keys[$x]." : \n ".$query."\n");
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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[$x], 'backup');
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if($shadowResults==null)
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{$shadowResults=$result;}
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//$this->log->info("Currently stored backup".$backup);
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//$this->log->info("With currently stored results".$result );
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$this->cache->hmset($keys[$x],array("results" =>$shadowResults,"query" =>$query,"persistent" =>$persistent,"shadow" =>$shadowResults,"fetchMode" =>$fetchMode,"backup" =>$backup));
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//$this->log->info(" Promoted Stored Entry : ");
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}
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else{
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$this->log->info("going to delete the key: ".$keys[$x]);
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$this->cache->del($keys[$x]);
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}
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}//catch
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catch(Exception $e) {
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80
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$this->log->error('Error : '.$e->getMessage());
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82
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$this->log->info("going to delete problematic key: ".$keys[$x]);
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$this->cache->del($keys[$x]);
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}
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86
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87
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}
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else
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90
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{
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91
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$this->log->info("Ignoring chart key: ".$keys[$x]);
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93
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if (strpos($keys[$x],'STATS')===false)
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{
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//todO here should we delete chart entries so that changes are visible in portal?
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$this->log->info("going to delete the key: ".$keys[$x]);
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$this->cache->del($keys[$x]);
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}
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}
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}
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$this->log->info("All Shadow Entries Promoted Sucessfully!");
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$this->cache->quit();
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103
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}
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105
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}
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106
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?>
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