- /**
- * Redis operation, supporting Master/Slave load cluster
- *
- * @author jackluo
- */
- class RedisCluster{
-
- // Whether to use the M/S read-write cluster solution
- private $_isUseCluster = false;
-
- // Slave handle tag
- private $_sn = 0;
-
- // Server connection handle
- private $_linkHandle = array(
- 'master'=>null,// Only supports one Master
- 'slave'=>array(),// Yes There are multiple Slave
- );
-
- /**
- * Constructor
- *
- * @param boolean $isUseCluster Whether to use the M/S scheme
- */
- public function __construct($isUseCluster=false){
- $this->_isUseCluster = $isUseCluster;
- }
-
- /**
- * Connect to the server, note: long connections are used here to improve efficiency, but will not automatically close
- *
- * @param array $config Redis server configuration
- * @param boolean $isMaster Whether the currently added server is a Master server
- * @ return boolean
- * /
- public function connect($config=array('host'=>'127.0.0.1','port'=>6379), $isMaster=true){
- // default port
- if(!isset($ config['port'])){
- $config['port'] = 6379;
- }
- // Set Master connection
- if($isMaster){
- $this->_linkHandle['master'] = new Redis ();
- $ret = $this->_linkHandle['master']->pconnect($config['host'],$config['port']);
- }else{
- // Multiple Slave Connection
- $this->_linkHandle['slave'][$this->_sn] = new Redis();
- $ret = $this->_linkHandle['slave'][$this->_sn] ->pconnect($config['host'],$config['port']);
- ++$this->_sn;
- }
- return $ret;
- }
-
- /**
- * Close connection
- *
- * @param int $flag Close selection 0: Close Master 1: Close Slave 2: Close all
- * @return boolean
- * /
- public function close($flag=2){
- switch($flag){
- // Close Master
- case 0:
- $this->getRedis()->close();
- break;
- // Close Slave
- case 1:
- for($i=0; $i<$this->_sn; ++$i){
- $this->_linkHandle['slave'][$i]->close ();
- }
- break;
- // Close all
- case 1:
- $this->getRedis()->close();
- for($i=0; $i<$this->_sn ; ++$i){
- $this->_linkHandle['slave'][$i]->close();
- }
- break;
- }
- return true;
- }
-
- /**
- * Get the original Redis object to have more operations
- *
- * @param boolean $isMaster Returns the type of server true: Returns Master false: Returns Slave
- * @param boolean $slaveOne Returns Slave selection true: Load balancing returns randomly A Slave selection false: Return all Slave selections
- * @return redis object
- */
- public function getRedis($isMaster=true,$slaveOne=true){
- // Only return Master
- if($isMaster){
- return $this->_linkHandle['master'];
- }else{
- return $slaveOne ? $this->_getSlaveRedis() : $this->_linkHandle['slave'];
- }
- }
-
- /**
- * Write cache
- *
- * @param string $key group storage KEY
- * @param string $value cache value
- * @param int $expire expiration time, 0: means no expiration time
- */
- public function set($key, $value , $expire=0){
- // Never timeout
- if($expire == 0){
- $ret = $this->getRedis()->set($key, $value);
- }else {
- $ret = $this->getRedis()->setex($key, $expire, $value);
- }
- return $ret;
- }
-
- /**
- * Read cache
- *
- * @param string $key Cache KEY, support fetching multiple $keys at one time = array('key1','key2')
- * @return string || boolean Return false on failure, return string on success
- */
- public function get($key){
- // Whether to get multiple values at once
- $func = is_array($key) ? 'mGet' : 'get';
- // No M/S is used
- if(! $this-> _isUseCluster){
- return $this->getRedis()->{$func}($key);
- }
- // 使用了 M/S
- return $this->_getSlaveRedis()->{$func}($key);
- }
-
-
- /*
- // magic function
- public function __call($name,$arguments){
- return call_user_func($name,$arguments);
- }
- */
- /**
- * Conditional form to set the cache. If the key does not exist, it will be set. If it exists, the setting will fail.
- *
- * @param string $key cache KEY
- * @param string $value cache value
- * @return boolean
- */
- public function setnx($key, $value){
- return $this->getRedis()->setnx($key, $value);
- }
-
- /**
- * Delete cache
- *
- * @param string || array $key cache KEY, supports single key: "key1" or multiple keys: array('key1','key2')
- * @return int deleted key Quantity
- */
- public function remove($key){
- // $key => "key1" || array('key1','key2')
- return $this->getRedis()->delete($key);
- }
-
- /**
- * Value addition operation, similar to ++$i, if the key does not exist, it is automatically set to 0 and then the addition operation is performed
- *
- * @param string $key Cache KEY
- * @param int $default The default value during operation
- * @return int Value after operation
- */
- public function incr($key,$default=1){
- if($default == 1){
- return $this->getRedis()->incr($key);
- }else{
- return $this->getRedis()->incrBy($key, $default);
- }
- }
-
- /**
- * Value subtraction operation, similar to --$i, if the key does not exist, it will be automatically set to 0 and then subtracted.
- *
- * @param string $key Cache KEY
- * @param int $default Default value during operation
- * @return int Value after operation
- */
- public function decr($key,$default=1){
- if($default == 1){
- return $this->getRedis()->decr($key);
- }else{
- return $this->getRedis()->decrBy($key, $default);
- }
- }
-
- /**
- * Empty the current database
- *
- * @return boolean
- */
- public function clear(){
- return $this->getRedis()->flushDB();
- }
-
- /* =================== 以下私有方法 =================== */
-
- /**
- * Random HASH to get the Redis Slave server handle
- *
- * @return redis object
- */
- private function _getSlaveRedis(){
- // 就一台 Slave 机直接返回
- if($this->_sn <= 1){
- return $this->_linkHandle['slave'][0];
- }
- // 随机 Hash 得到 Slave 的句柄
- $hash = $this->_hashId(mt_rand(), $this->_sn);
- return $this->_linkHandle['slave'][$hash];
- }
-
- /**
- * Get the value between 0~m-1 after hashing based on ID
- *
- * @param string $id
- * @param int $m
- * @return int
- */
- private function _hashId($id,$m=10)
- {
- //把字符串K转换为 0~m-1 之间的一个值作为对应记录的散列地址
- $k = md5($id);
- $l = strlen($k);
- $b = bin2hex($k);
- $h = 0;
- for($i=0;$i<$l;$i++)
- {
- //相加模式HASH
- $h += substr($b,$i*2,2);
- }
- $hash = ($h*1)%$m;
- return $hash;
- }
-
- /**
- * lpush
- */
- public function lpush($key,$value){
- return $this->getRedis()->lpush($key,$value);
- }
-
- /**
- * add lpop
- */
- public function lpop($key){
- return $this->getRedis()->lpop($key);
- }
- /**
- * lrange
- */
- public function lrange($key,$start,$end){
- return $this->getRedis()->lrange($key,$start,$end);
- }
-
- /**
- * set hash opeation
- */
- public function hset($name,$key,$value){
- if(is_array($value)){
- return $this->getRedis()->hset($name,$key,serialize($value));
- }
- return $this->getRedis()->hset($name,$key,$value);
- }
- /**
- * get hash opeation
- */
- public function hget($name,$key = null,$serialize=true){
- if($key){
- $row = $this->getRedis()->hget($name,$key);
- if($row && $serialize){
- unserialize($row);
- }
- return $row;
- }
- return $this->getRedis()->hgetAll($name);
- }
-
- /**
- * delete hash opeation
- */
- public function hdel($name,$key = null){
- if($key){
- return $this->getRedis()->hdel($name,$key);
- }
- return $this->getRedis()->hdel($name);
- }
- /**
- * Transaction start
- */
- public function multi(){
- return $this->getRedis()->multi();
- }
- /**
- * Transaction send
- */
-
- public function exec(){
- return $this->getRedis()->exec();
- }
-
-
-
- }// End Class
-
- // ================= TEST DEMO =================
-
- // 只有一台 Redis 的应用
- $redis = new RedisCluster();
- $redis->connect(array('host'=>'127.0.0.1','port'=>6379));
-
-
- //*
- $cron_id = 10001;
- $CRON_KEY = 'CRON_LIST'; //
- $PHONE_KEY = 'PHONE_LIST:'.$cron_id;//
-
- //cron info
- $cron = $redis->hget($CRON_KEY,$cron_id);
- if(empty($cron)){
-
- $cron = array('id'=>10,'name'=>'jackluo');//mysql data
- $redis->hset($CRON_KEY,$cron_id,$cron); // set redis
- }
- //phone list
- $phone_list = $redis->lrange($PHONE_KEY,0,-1);
- print_r($phone_list);
- if(empty($phone_list)){
- $phone_list =explode(',','13228191831,18608041585'); //mysql data
- //join list
- if($phone_list){
- $redis->multi();
- foreach ($phone_list as $phone) {
- $redis->lpush($PHONE_KEY,$phone);
- }
- $redis->exec();
- }
- }
-
- print_r($phone_list);
-
-
- /*$list = $redis->hget($cron_list,);
-
- var_dump($list);*/
- //*/
-
-
- //$redis->set('id',35);
-
- /*
- $redis->lpush('test','1111');
- $redis->lpush('test','2222');
- $redis->lpush('test','3333');
-
- $list = $redis->lrange('test',0,-1);
- print_r($list);
- $lpop = $redis->lpop('test');
- print_r($lpop);
- $lpop = $redis->lpop('test');
- print_r($lpop);
- $lpop = $redis->lpop('test');
- print_r($lpop);
- */
- // var_dump($redis->get('id'));
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