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Redis implementation, #16 

git-svn-id: svn+ssh://code.netmonsters.ru/svn/majestic/branches/evo@149 4cb57b5f-5bbd-dd11-951b-001d605cbbc5
master
pzinovkin 15 years ago
parent
70ccc8bc26
commit
8a6f6097bf
8 changed files with 173 additions and 183 deletions
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  1. 61
      RedisManager.php
  2. 36
      cache/CacheKey.php
  3. 48
      cache/CacheKeySet.php
  4. 11
      cache/MemcacheCache.php
  5. 24
      cache/iCacheable.php
  6. 5
      model/DbStatement.php
  7. 151
      model/Model.php
  8. 20
      session/Session.model.php

61
RedisManager.php
View File

@ -0,0 +1,61 @@
<?php
/**
* @copyright NetMonsters <team@netmonsters.ru>
* @link http://netmonsters.ru
* @package Majestic
* @subpackage Redis
* @since 2010-07-17
* @version SVN: $Id$
* @filesource $URL$
*/
class RedisManager
{
/**
* Redis connections
*
* @var array
*/
static protected $connections = array();
/**
* Connect to redis
*
* @param string $name connection name. If not set 'default' will be used.
* @param array $config Configuration array.
*
* @return Redis
*/
static public function connect($name = 'default', $config = null)
{
if (!isset(self::$connections[$name])) {
if (!$config) {
$config = Config::get('Redis')->$name;
}
if (!is_array($config)) {
throw new Exception('Connection parameters must be an array');
}
$host = isset($config['host']) ? $config['host'] : 'localhost';
$port = isset($config['port']) ? $config['port'] : 6379;
$database = isset($config['database']) ? $config['database'] : 0;
/**
* @var Redis
*/
$connection = new Redis();
if (!$connection->connect($host, $port)) {
throw new Exception('Failed to connect to Redis server at ' . $host . ':' . $port);
}
if ($database) {
if (!$connection->select($database)) {
throw new Exception('Failed to select Redis database with index ' . $database);
}
}
self::$connections[$name] = $connection;
}
return self::$connections[$name];
}
}

36
cache/CacheKey.php
View File

@ -12,31 +12,33 @@
class CacheKey
{
/**
* @var Cacher
*/
protected $cacher;
/**
* @var CacheKey
*/
protected $key;
protected $params = '';
protected $expire = 0;
/**
* @param Cacher $cacher
* @param string $key
* @param mixed $params
* @param iCacheable $cacheable
* @param int $expire
* @return CacheKey
*/
public function __construct($key, $params = array(), $cacheable)
public function __construct($cacher, $key, $params = array(), $expire = 0)
{
$this->cacher = $cacher;
$this->key = $key;
if (!$cacheable instanceof iCacheable) {
throw new GeneralException('CacheKey depends on iCacheable instance');
if ($params) {
$params = (is_array($params)) ? implode('|', $params) : $params;
$this->key = $key . '_' . $params;
}
$this->cache = $cacheable->getCache();
$this->expire = $cacheable->getKeyExpire($this->key);
$this->params = (is_array($params)) ? implode('|', $params) : $params;
}
protected function getCacheKey()
{
$params = ($this->params) ? ('_' . $this->params) : '';
return $this->key . $params;
$this->expire = $expire;
}
protected function getExpire()
@ -54,7 +56,7 @@ class CacheKey
public function get()
{
return $this->cache->get($this->getCacheKey());
return $this->cacher->get($this->key);
}
/**
@ -62,11 +64,11 @@ class CacheKey
*/
public function set($value)
{
return $this->cache->set($this->getCacheKey(), $value, $this->expire);
return $this->cacher->set($this->key, $value, $this->expire);
}
public function del()
{
return $this->cache->del($this->getCacheKey());
return $this->cacher->del($this->key);
}
}

48
cache/CacheKeySet.php
View File

@ -1,48 +0,0 @@
<?php
/**
* @copyright NetMonsters <team@netmonsters.ru>
* @link http://netmonsters.ru
* @package Majestic
* @subpackage Cache
* @since 2010-03-10
* @version SVN: $Id$
* @filesource $URL$
*/
class CacheKeySet extends CacheKey
{
public function get()
{
$set = $this->cache->get($this->key);
$item_key = $this->getCacheKey();
if (!is_array($set) || !array_key_exists($item_key, $set)) {
return false;
}
return $this->cache->get($item_key);
}
/**
* @param mixed $value
*/
public function set($value)
{
$set = $this->cache->get($this->key);
if (!is_array($set)) {
$set = array();
}
$item_key = $this->getCacheKey();
if (!$this->cache->set($item_key, $value, $this->expire)) {
return false;
}
$set[$item_key] = $this->cache->getExpire($this->expire);
return $this->cache->set($this->key, $set, $this->expire);
}
public function del()
{
return $this->cache->del($this->key);
}
}

11
cache/MemcacheCache.php
View File

@ -26,7 +26,6 @@ class MemcacheCache extends Cache
*/
protected $expire = 3600;
protected $keys = array();
public function __construct($config)
{
@ -150,19 +149,11 @@ class MemcacheCache extends Cache
*/
protected function getKey($key)
{
if (!isset($this->keys[$key])) {
$this->keys[$key] = md5($this->key_salt . $key);
}
return $this->keys[$key];
return md5($this->key_salt . $key);
}
public function getExpire($expire)
{
return ($expire > 0) ? $expire : $this->expire;
}
public function cleanKeys()
{
$this->keys = array();
}
}

24
cache/iCacheable.php
View File

@ -1,24 +0,0 @@
<?php
/**
* @copyright NetMonsters <team@netmonsters.ru>
* @link http://netmonsters.ru
* @package Majestic
* @subpackage cache
* @since 2010-03-12
* @version SVN: $Id$
* @filesource $URL$
*/
interface iCacheable
{
/**
* @return Cache
*/
public function getCache();
/**
* @param string $key
* @return Expiration time in seconds
*/
public function getKeyExpire($key);
}

5
model/DbStatement.php
View File

@ -151,6 +151,9 @@ abstract class DbStatement
return false;
}
/**
* @return array
*/
public function fetchPairs()
{
$data = array();
@ -179,4 +182,4 @@ abstract class DbStatement
* @return bool
*/
abstract protected function driverExecute($sql);
}
}

151
model/Model.php
View File

@ -12,7 +12,7 @@
* @filesource $URL$
*/
abstract class Model implements iCacheable
abstract class Model
{
/**
@ -45,13 +45,12 @@ abstract class Model implements iCacheable
protected $table;
protected $connection = 'default';
protected $key = 'id';
protected $key = 'id';
public function __construct()
public function __construct($connection = 'default')
{
$this->db = Db::connect($this->connection);
$this->db = Db::connect($connection);
}
/**
@ -59,7 +58,7 @@ abstract class Model implements iCacheable
*/
public function getInsertId()
{
return $this->db->getInsertId($this->table(false), $this->key);
return $this->db->getInsertId($this->table(), $this->key);
}
/**
@ -86,7 +85,7 @@ abstract class Model implements iCacheable
*/
public function get($id)
{
$sql = 'SELECT * FROM ' . $this->table() . ' WHERE ' . $this->identify($this->key) . '=?';
$sql = 'SELECT * FROM :table WHERE :pk=?';
return $this->fetch($sql, $id);
}
@ -97,7 +96,7 @@ abstract class Model implements iCacheable
*/
public function insert($data, $on_duplicate = array())
{
$affected = $this->db->insert($this->table(false), $data, $on_duplicate);
$affected = $this->db->insert($this->table(), $data, $on_duplicate);
return ($this->getInsertId()) ? $this->getInsertId() : $affected;
}
@ -111,33 +110,28 @@ abstract class Model implements iCacheable
if (is_int($where)) {
$where = $this->identify($this->key) . '=' . (int) $where;
}
return $this->db->update($this->table(false), $data, $where);
return $this->db->update($this->table(), $data, $where);
}
/**
* @param int|array $where Int or array ids
* @param int $id Int id
* @return int Number of affected rows
*/
public function delete($where)
public function delete($id)
{
if (is_array($where)) {
$where = $this->identify($this->key) . ' IN (' . $this->quote($where) . ')';
} else {
$where = $this->identify($this->key) . '=' . (int) $where;
}
return $this->db->delete($this->table(false), $where);
$where = $this->identify($this->key) . '=' . (int) $id;
return $this->db->delete($this->table(), $where);
}
/**
* @param bool $autoindent
* @return string
*/
protected function table($autoindent = true)
protected function table()
{
if (!$this->table) {
$this->table = substr(strtolower(get_class($this)), 0, -5/*strlen('Model')*/);
}
return $autoindent ? $this->identify($this->table) : $this->table;
return $this->table;
}
/**
@ -180,65 +174,33 @@ abstract class Model implements iCacheable
}
/**
* @return Cache
*/
public function getCache()
{
if (!$this->cache) {
$this->cache = Cacher::get(Config::get(__CLASS__, 'MemcacheCache'));
}
return $this->cache;
}
/**
* @param string $key
* @return int
*/
public function getKeyExpire($key)
{
return (isset($this->cache_keys[$key])) ? ($this->cache_keys[$key] * 60) : 0;
}
/**
* @param string $name
* @param array $params
* @return CacheKey
* This method appends to params table and primary key.
* So they can be accessed thru `:table` and `:pk` placeholders.
*
* @return DbStatement
*/
protected function cacheKey($name, $params = array())
protected function query($sql, $params = array())
{
if (substr(strtolower($name), -3, 3) == 'set') {
return new CacheKeySet($name, $params, $this);
if (!is_array($params)) {
$params = array($params);
}
return new CacheKey($name, $params, $this);
$params = array(
'table' => new DbExpr($this->identify($this->table())),
'pk' => new DbExpr($this->identify($this->key)),
) + $params;
return $this->db->query($sql, $params);
}
/**
* @param CacheKey | CacheKeySet $cache
*/
protected function addCleanCache($cache)
{
$this->caches_clean[] = $cache;
}
protected function cleanCaches()
{
// cleaning caches
foreach ($this->caches_clean as $cache) {
$cache->del();
}
$this->caches_clean = array();
}
/**
* @param string $sql
* @param array $params
* @param string $field
* @param CacheKey | CacheKeySet $cache_key
* @param CacheKey $cache_key
*/
protected function fetchField($sql, $params = array(), $field, $cache_key = null)
{
if (!$cache_key || !$result = $cache_key->get()) {
$result = $this->db->query($sql, $params)->fetchField($field);
$result = $this->query($sql, $params)->fetchField($field);
if ($cache_key) {
$cache_key->set($result);
}
@ -249,12 +211,12 @@ abstract class Model implements iCacheable
/**
* @param string $sql
* @param array $params
* @param CacheKey | CacheKeySet $cache_key
* @param CacheKey $cache_key
*/
protected function fetch($sql, $params = array(), $cache_key = null)
{
if (!$cache_key || !$result = $cache_key->get()) {
$result = $this->db->query($sql, $params)->fetch();
$result = $this->query($sql, $params)->fetch();
if ($cache_key) {
$cache_key->set($result);
}
@ -265,16 +227,57 @@ abstract class Model implements iCacheable
/**
* @param string $sql
* @param array $params
* @param CacheKey | CacheKeySet $cache_key
* @param CacheKey $cache_key
*/
protected function fetchAll($sql, $params = array(), $cache_key = null)
{
if (!$cache_key || !$result = $cache_key->get()) {
$result = $this->db->query($sql, $params)->fetchAll();
$result = $this->query($sql, $params)->fetchAll();
if ($cache_key) {
$cache_key->set($result);
}
}
return $result;
}
}
/* Cache workaround */
/**
* @return Cache
*/
public function getCache()
{
if (!$this->cache) {
$this->cache = Cacher::get(Config::get(__CLASS__, 'MemcacheCache'));
}
return $this->cache;
}
/**
* @param string $name
* @param array $params
* @return CacheKey
*/
protected function cacheKey($name, $params = array())
{
$expire = (isset($this->cache_keys[$name])) ? ($this->cache_keys[$name] * 60) : 0;
return new CacheKey($this->getCache(), $name, $params, $expire);
}
/**
* @param CacheKey $cache
*/
protected function addCleanCache($cache)
{
$this->caches_clean[] = $cache;
}
protected function cleanCaches()
{
// cleaning caches
foreach ($this->caches_clean as $cache) {
$cache->del();
}
$this->caches_clean = array();
}
}

20
session/Session.model.php
View File

@ -34,7 +34,7 @@ class SessionModel extends Model
public function read($id)
{
$sql = 'SELECT `data` FROM ' . $this->table() . ' WHERE `id`=? AND `expires` > UNIX_TIMESTAMP()';
$sql = 'SELECT `data` FROM :table WHERE `id`=? AND `expires` > UNIX_TIMESTAMP()';
return (string) $this->fetchField($sql, $id, 'data');
}
@ -45,21 +45,23 @@ class SessionModel extends Model
$ip = Env::Server('HTTP_X_FORWARDED_FOR', Env::Server('REMOTE_ADDR'));
$sql = 'INSERT INTO ' . $this->table() . ' (`id`, `expires`, `ip`, `user_id`, `data`)'
. ' VALUES(' . $this->quote($id) . ', UNIX_TIMESTAMP() + ' . (int) $this->life_time . ', INET_ATON(' . $this->quote($ip) . '), ' . $user_id . ', ' . $this->quote($data) . ')'
. ' ON DUPLICATE KEY UPDATE `expires`=UNIX_TIMESTAMP() + ' . (int) $this->life_time . ', `ip`=INET_ATON(' . $this->quote($ip) . '), `user_id`=' . $user_id . ', `data`=' . $this->quote($data);
$affected = $this->db->query($sql)->affectedRows();
return (bool) ($this->getInsertId()) ? $this->getInsertId() : $affected;
$update = array(
'expires' => new DbExpr('UNIX_TIMESTAMP() + ' . (int) $this->life_time),
'ip' => new DbExpr('INET_ATON(' . $this->quote($ip) . ')'),
'user_id' => $user_id,
'data' => $data
);
return (bool) $this->insert(array('id' => $id) + $update, $update);
}
public function destroy($id)
{
return (bool) $this->db->delete($this->table(false), array('`id`=?' => (string) $id));
return (bool) $this->db->delete($this->table(), array('`id`=?' => (string) $id));
}
public function gc($max_life_time)
{
return (bool) $this->db->delete($this->table(false), '`expires` < UNIX_TIMESTAMP()');
return (bool) $this->db->delete($this->table(), '`expires` < UNIX_TIMESTAMP()');
}
/* End of Session handler methods */
@ -67,6 +69,6 @@ class SessionModel extends Model
public function destroyByUserId($user_id)
{
return $this->db->delete($this->table(false), array('`user_id`=?' => $user_id));
return $this->db->delete($this->table(), array('`user_id`=?' => $user_id));
}
}
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