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1
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<?php
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2
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require_once('./js/log4php/Logger.php');
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3
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require_once('./paths.php');
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4
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require_once('./controller.php');
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5
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6
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class RefreshCache {
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7
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private $log;
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8
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private $cache = null;
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9
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10
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public function __construct(){
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11
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12
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global $redis_host;
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13
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global $redis_port;
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14
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global $redis_scheme;
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15
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16
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global $host;
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17
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18
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$this->log = Logger::getLogger(__CLASS__);
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19
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if(class_exists("Predis\Client")){
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20
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21
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try {
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22
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$this->cache = new Predis\Client(array(
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24
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"scheme" => $redis_scheme,
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25
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"host" => $redis_host,
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26
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"port" => $redis_port,
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27
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"read_write_timeout" => 0));
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28
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$this->log->info("redis host: ".$redis_host);
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30
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$this->log->info("redis port: ".$redis_port);
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31
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32
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} catch(Exception $e) {
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33
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$this->log->error("Error connecting to Redis server: ".$e->getMessage());
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34
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$this->cache = null;
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35
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}
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36
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}
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37
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else{
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38
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$this->log->info("cache does not exist"); //predis
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39
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exit;
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40
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}
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41
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}
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42
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43
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function refresh() {
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44
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45
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if($this->cache != null){
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46
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$this->log->info("cache exists");
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47
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48
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$database = new MYDB();
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49
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$database->doConnect($GLOBALS['schema_file']);
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50
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51
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$keys = $this->cache->keys("*");
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52
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for($x=0;$x<count($keys);$x++) {
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53
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54
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if($this->cache->hget($keys[$x], 'persistent')) {
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55
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56
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if(($query = $this->cache->hget($keys[$x], 'query'))!=null) {
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57
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58
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$this->log->info("going to recalculate the results for key: ".$keys[$x]);
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59
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$fetchMode = $this->cache->hget($keys[$x], 'fetchMode');
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60
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$results = $database->doQueryNoCache($query, $fetchMode);
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61
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$this->cache->hset($keys[$x], 'results', json_encode($results));
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62
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}
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63
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64
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} else {
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65
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66
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$this->log->info("going to delete the key: ".$keys[$x]);
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67
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$this->cache->del($keys[$x]);
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68
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}
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69
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}
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70
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71
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$database->doDisconnect();
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72
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73
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} else {
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74
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$this->log->info("cache does not exist");
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75
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}
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76
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}
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77
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}
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78
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79
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$rc = new RefreshCache();
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80
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$rc->refresh();
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81
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82
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83
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?>
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