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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 MigrateCache {
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private $log;
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private $db;
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private $cache = null; //predis
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private $remotecache=null;
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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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global $db_name;
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//$redis_host='localhost';
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/*$redis_remote_host='duffy.di.uoa.gr';
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$redis_remote_port=$redis_port;
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$redis_remote_scheme=$redis_scheme;
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*/
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$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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$this->log->info("cache does not exist"); //predis
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exit;
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}
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}
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public function migrate($redis_remote_host,$redis_remote_port)
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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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global $host;
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$backupKeys=$this->cache->hkeys('STATS_NUMBERS');
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$this->log->info("migrating Stat Numbers from ".$redis_host." to ".$redis_remote_host." on ".$redis_remote_port);
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try {
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//todo changed timeout from 0 to -1
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$this->remotecache = new Predis\Client(array("scheme" => $redis_scheme,"host" => $redis_remote_host,"port" => $redis_port,"read_write_timeout" => -1));
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$this->log->info("redis host: ".$redis_remote_host." and redis port: ".$redis_remote_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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$this->remotecache->connect();
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for($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',$key);
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$this->log->info("saving : ".$key." : ".$value);
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$this->remotecache->hmset('STATS_NUMBERS',$key,$value);
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$this->log->info("query saved : ".$this->remotecache->hget('STATS_NUMBERS',$key));
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}
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$this->log->info("migrating Shadow Stat Numbers from ".$redis_host." to ".$redis_remote_host." on ".$redis_remote_port);
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87
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88
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$backupKeys=$this->cache->hkeys('SHADOW_STATS_NUMBERS');
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90
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91
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92
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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=$this->cache->hget('SHADOW_STATS_NUMBERS',$key);
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$this->log->info("saving : ".$key." : ".$value);
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$this->remotecache->hmset('SHADOW_STATS_NUMBERS',$key,$value);
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$this->log->info("query saved : ".$this->remotecache->hget('SHADOW_STATS_NUMBERS',$key));
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}
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103
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//*****************************
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106
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107
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$this->log->info("Migrating data queries...");
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$this->log->info("*******************************************");
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$keys = $this->cache->keys("*");
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113
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for($x=0;$x<count($keys);$x++) {
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115
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if ((strpos($keys[$x],'chart')===false)&&(strpos($keys[$x],'table')===false)&&(strpos($keys[$x],'STATS')===false) )
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{
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118
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try
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{
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$values=$this->cache->hgetall($keys[$x]);
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123
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{
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$this->log->info("Moving...");
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127
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$this->remotecache->hmset($keys[$x],$values);
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$this->log->info("id : ".$keys[$x]);
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//$this->log->info("query : ".$this->remotecache->hget($keys[$x],"query"));
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$this->log->info("res: ".$this->remotecache->hget($keys[$x],"results"));
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}
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135
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136
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}
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catch(Exception $e) {
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139
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$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[$x]); }
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145
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146
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}
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148
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149
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150
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151
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152
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$this->remotecache->quit();
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153
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$this->cache->quit();
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154
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155
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$this->log->info("Done migtating ! ");
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156
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157
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}
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158
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159
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}
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160
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161
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//$rc = new MigrateCache();
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162
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//$rc->migrate();
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163
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?>
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