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Nathan Adams
2013-07-20 17:41:56 -05:00
commit 3b1e713fc4
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102
pluf/src/Pluf/Cache/Apc.php Normal file
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<?php
/* -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
# ***** BEGIN LICENSE BLOCK *****
# This file is part of Plume Framework, a simple PHP Application Framework.
# Copyright (C) 2001-2007 Loic d'Anterroches and contributors.
#
# Plume Framework is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
#
# Plume Framework is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
# ***** END LICENSE BLOCK ***** */
/**
* APC based cache.
*
* You need APC installed on your server for this cache system to
* work. You can install APC with <code>$ sudo pecl install apc</code>
* on most systems.
*
* A special 'cache_apc_keyprefix' can be set to use APC for different
* applications and avoid conflict. Compression is performed at the
* PHP level using the gz(in|de)flate functions.
*
* Example of configuration:
*
* <pre>
* $cfg['cache_engine'] = 'Pluf_Cache_Apc';
* $cfg['cache_timeout'] = 300;
* $cfg['cache_apc_keyprefix'] = 'uniqueforapp';
* $cfg['cache_apc_compress'] = true;
* </pre>
*
* @see Pluf_Cache
* @see http://www.php.net/gzdeflate
* @see http://www.php.net/gzinflate
*/
class Pluf_Cache_Apc extends Pluf_Cache
{
/**
* Prefix added to all the keys.
*/
private $keyprefix = '';
/**
* Auto compress the data to save memory against a small
* performance loss.
*/
private $compress = false;
/**
* Create the cache object and initialize it from the
* configuration.
*/
public function __construct()
{
$this->keyprefix = Pluf::f('cache_apc_keyprefix', '');
$this->compress = Pluf::f('cache_apc_compress', false);
}
/**
* Set a value in the cache.
*
* @param string Key to store the information
* @param mixed Value to store
* @param int Timeout in seconds (null)
* @return bool Success
*/
public function set($key, $value, $timeout=null)
{
if ($timeout == null) $timeout = Pluf::f('cache_timeout', 300);
$value = serialize($value);
if ($this->compress) $value = gzdeflate($value, 9);
return apc_store($this->keyprefix.$key, $value, $timeout);
}
/**
* Get value from the cache.
*
* @param string Key to get the information
* @param mixed Default value to return if cache miss (null)
* @return mixed Stored value or default
*/
public function get($key, $default=null)
{
$success = false;
$value = apc_fetch($this->keyprefix.$key, &$success);
if (!$success) return $default;
if ($this->compress) $value = gzinflate($value);
return unserialize($value);
}
}

132
pluf/src/Pluf/Cache/File.php Normal file
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<?php
/* -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
# ***** BEGIN LICENSE BLOCK *****
# This file is part of Plume Framework, a simple PHP Application Framework.
# Copyright (C) 2001-2007 Loic d'Anterroches and contributors.
#
# Plume Framework is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
#
# Plume Framework is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
# ***** END LICENSE BLOCK ***** */
/**
* File based cache.
*
* Info are stored in the 'cache_file_folder' folder. In the folder, 2
* subdirectories are created based on the md5 of the key.
*/
class Pluf_Cache_File extends Pluf_Cache
{
/**
* Is debug mode?
*
* @var boolean
*/
private $_debug;
/**
* Mapping key => md5.
*
* @var array
*/
private $_keymap = array();
public function __construct()
{
if (!Pluf::f('cache_file_folder', false)) {
throw new Pluf_Exception_SettingError('"cache_file_folder" setting not defined.');
}
$this->_debug = Pluf::f('debug', false);
}
/**
* Set a value in the cache.
*
* @param string Key to store the information
* @param mixed Value to store
* @param int Timeout in seconds (null)
* @return bool Success
*/
public function set($key, $value, $timeout=null)
{
$fname = $this->_keyToFile($key);
$dir = dirname($fname);
if (null === $timeout) {
$timeout = Pluf::f('cache_timeout', 300);
}
if (!file_exists($dir)) {
mkdir($dir, 0777, true);
}
$expire = $_SERVER['REQUEST_TIME'] + $timeout;
$success = file_put_contents($fname, $expire."\n".serialize($value), LOCK_EX);
chmod($fname, 0777);
return (false === $success) ? false : true;
}
/**
* Get value from the cache.
*
* @param string Key to get the information
* @param mixed Default value to return if cache miss (null)
* @param mixed Stored value or default
*/
public function get($key, $default=null)
{
$fname = $this->_keyToFile($key);
if (!file_exists($fname)) {
return $default;
}
if ($this->_debug) {
ob_start();
include $fname;
$data = ob_get_contents();
ob_end_clean();
} else {
$data = file_get_contents($fname);
}
list($timeout, $content) = explode("\n", $data, 2);
if ($timeout < $_SERVER['REQUEST_TIME']) {
@unlink($fname);
return $default;
}
return unserialize($content);
}
/**
* Convert a key into a path to a file.
*
* @param string Key
* @return string Path to file
*/
public function _keyToFile($key)
{
if (isset($this->_keymap[$key])) {
$md5 = $this->_keymap[$key];
} else {
$md5 = md5($key);
$this->_keymap[$key] = $md5;
}
return Pluf::f('cache_file_folder') . '/' .
substr($md5, 0, 2) . '/' .
substr($md5, 2, 2) . '/' .
substr($md5, 4);
}
}

94
pluf/src/Pluf/Cache/Memcached.php Normal file
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<?php
/* -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
# ***** BEGIN LICENSE BLOCK *****
# This file is part of Plume Framework, a simple PHP Application Framework.
# Copyright (C) 2001-2007 Loic d'Anterroches and contributors.
#
# Plume Framework is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
#
# Plume Framework is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
# ***** END LICENSE BLOCK ***** */
/**
* Memcached based cache.
*
* A special 'cache_memcached_keyprefix' can be set to use one
* memcached for different applications and avoid conflict.
*
* Example of configuration:
*
* <pre>
* $cfg['cache_engine'] = 'Pluf_Cache_Memcached';
* $cfg['cache_timeout'] = 300;
* $cfg['cache_memcached_keyprefix'] = 'uniqueforapp';
* $cfg['cache_memcached_server'] = 'localhost';
* $cfg['cache_memcached_port'] = 11211;
* $cfg['cache_memcached_compress'] = 0; (or MEMCACHE_COMPRESSED)
* </pre>
*/
class Pluf_Cache_Memcached extends Pluf_Cache
{
private $memcache = null;
private $keyprefix = '';
public function __construct()
{
$this->memcache = memcache_connect(Pluf::f('cache_memcached_server', 'localhost'),
Pluf::f('cache_memcached_port', 11211));
if (false === $this->memcache) {
$this->memcache = null;
}
$this->keyprefix = Pluf::f('cache_memcached_keyprefix', '');
}
/**
* Set a value in the cache.
*
* @param string Key to store the information
* @param mixed Value to store
* @param int Timeout in seconds (null)
* @return bool Success
*/
public function set($key, $value, $timeout=null)
{
if ($this->memcache) {
if ($timeout == null) $timeout = Pluf::f('cache_timeout', 300);
$this->memcache->set($this->keyprefix.$key, serialize($value),
Pluf::f('cache_memcached_compress', 0),
$timeout);
}
}
/**
* Get value from the cache.
*
* @param string Key to get the information
* @param mixed Default value to return if cache miss (null)
* @param mixed Stored value or default
*/
public function get($key, $default=null)
{
if ($this->memcache) {
$val = $this->memcache->get($this->keyprefix.$key);
if (false === $val) {
return $default;
} else {
return unserialize($val);
}
} else {
return $default;
}
}
}