From 80d663aa81eec7bc0894efe1012faec7f6d452b0 Mon Sep 17 00:00:00 2001
From: Kakysha <ezhikvdele@gmail.com>
Date: Mon, 28 Oct 2013 01:39:17 +0400
Subject: Added option to connect through unix socket in redis cache driver

---
 system/libraries/Cache/drivers/Cache_redis.php | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'system/libraries/Cache')

diff --git a/system/libraries/Cache/drivers/Cache_redis.php b/system/libraries/Cache/drivers/Cache_redis.php
index 40823fcb4..8daed8bc3 100644
--- a/system/libraries/Cache/drivers/Cache_redis.php
+++ b/system/libraries/Cache/drivers/Cache_redis.php
@@ -44,6 +44,7 @@ class CI_Cache_redis extends CI_Driver
 	 * @var	array
 	 */
 	protected static $_default_config = array(
+		'socket_type' => 'tcp',
 		'host' => '127.0.0.1',
 		'password' => NULL,
 		'port' => 6379,
@@ -200,7 +201,13 @@ class CI_Cache_redis extends CI_Driver
 
 		try
 		{
-			$this->_redis->connect($config['host'], $config['port'], $config['timeout']);
+			if ($config['socket_type'] === 'unix')
+			{
+				$v = $this->_redis->connect($config['socket']);
+			} else // tcp socket
+			{
+				$this->_redis->connect($config['host'], $config['port'], $config['timeout']);
+			}
 		}
 		catch (RedisException $e)
 		{
-- 
cgit v1.2.3-24-g4f1b


From 2d14673d1a513a372a5921775aa3987f8444477e Mon Sep 17 00:00:00 2001
From: Kakysha <ezhikvdele@gmail.com>
Date: Mon, 28 Oct 2013 20:20:24 +0400
Subject: Correct Redis connection troubleshooting

---
 system/libraries/Cache/drivers/Cache_redis.php | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

(limited to 'system/libraries/Cache')

diff --git a/system/libraries/Cache/drivers/Cache_redis.php b/system/libraries/Cache/drivers/Cache_redis.php
index 8daed8bc3..b0315a3ab 100644
--- a/system/libraries/Cache/drivers/Cache_redis.php
+++ b/system/libraries/Cache/drivers/Cache_redis.php
@@ -164,8 +164,7 @@ class CI_Cache_redis extends CI_Driver
 	{
 		if (extension_loaded('redis'))
 		{
-			$this->_setup_redis();
-			return TRUE;
+			return $this->_setup_redis();
 		}
 		else
 		{
@@ -206,18 +205,26 @@ class CI_Cache_redis extends CI_Driver
 				$v = $this->_redis->connect($config['socket']);
 			} else // tcp socket
 			{
-				$this->_redis->connect($config['host'], $config['port'], $config['timeout']);
+				$v = $this->_redis->connect($config['host'], $config['port'], $config['timeout']);
+			}
+			if (!$v)
+			{
+				log_message('debug','Redis connection refused. Check the config.');
+				return FALSE;
 			}
 		}
 		catch (RedisException $e)
 		{
-			show_error('Redis connection refused. ' . $e->getMessage());
+			log_message('debug','Redis connection refused. ' . $e->getMessage());
+			return FALSE;
 		}
 
 		if (isset($config['password']))
 		{
 			$this->_redis->auth($config['password']);
 		}
+		
+		return TRUE;
 	}
 
 	// ------------------------------------------------------------------------
-- 
cgit v1.2.3-24-g4f1b


From ffe2130b00bffb2f43debf82c34586642c831b0b Mon Sep 17 00:00:00 2001
From: Kakysha <ezhikvdele@gmail.com>
Date: Mon, 28 Oct 2013 21:30:05 +0400
Subject: some code rewrite

---
 system/libraries/Cache/drivers/Cache_redis.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'system/libraries/Cache')

diff --git a/system/libraries/Cache/drivers/Cache_redis.php b/system/libraries/Cache/drivers/Cache_redis.php
index b0315a3ab..0bbd5b05c 100644
--- a/system/libraries/Cache/drivers/Cache_redis.php
+++ b/system/libraries/Cache/drivers/Cache_redis.php
@@ -202,12 +202,12 @@ class CI_Cache_redis extends CI_Driver
 		{
 			if ($config['socket_type'] === 'unix')
 			{
-				$v = $this->_redis->connect($config['socket']);
+				$success = $this->_redis->connect($config['socket']);
 			} else // tcp socket
 			{
-				$v = $this->_redis->connect($config['host'], $config['port'], $config['timeout']);
+				$success = $this->_redis->connect($config['host'], $config['port'], $config['timeout']);
 			}
-			if (!$v)
+			if ( ! $success)
 			{
 				log_message('debug','Redis connection refused. Check the config.');
 				return FALSE;
-- 
cgit v1.2.3-24-g4f1b


From 8f3f1f9a6dd7c4feb77ffc040b37799fc101e470 Mon Sep 17 00:00:00 2001
From: Kakysha <ezhikvdele@gmail.com>
Date: Mon, 28 Oct 2013 23:14:08 +0400
Subject: Code cleanup

---
 system/libraries/Cache/drivers/Cache_redis.php | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'system/libraries/Cache')

diff --git a/system/libraries/Cache/drivers/Cache_redis.php b/system/libraries/Cache/drivers/Cache_redis.php
index 0bbd5b05c..194745fe0 100644
--- a/system/libraries/Cache/drivers/Cache_redis.php
+++ b/system/libraries/Cache/drivers/Cache_redis.php
@@ -203,10 +203,12 @@ class CI_Cache_redis extends CI_Driver
 			if ($config['socket_type'] === 'unix')
 			{
 				$success = $this->_redis->connect($config['socket']);
-			} else // tcp socket
+			}
+			else // tcp socket
 			{
 				$success = $this->_redis->connect($config['host'], $config['port'], $config['timeout']);
 			}
+			
 			if ( ! $success)
 			{
 				log_message('debug','Redis connection refused. Check the config.');
@@ -215,7 +217,7 @@ class CI_Cache_redis extends CI_Driver
 		}
 		catch (RedisException $e)
 		{
-			log_message('debug','Redis connection refused. ' . $e->getMessage());
+			log_message('debug','Cache: Redis connection refused ('.$e->getMessage().')');
 			return FALSE;
 		}
 
-- 
cgit v1.2.3-24-g4f1b


From 333b69b029c4d694f1f77aaefeb9c4deeeca47b9 Mon Sep 17 00:00:00 2001
From: Kakysha <ezhikvdele@gmail.com>
Date: Tue, 29 Oct 2013 03:49:56 +0400
Subject: Spaces, log message

---
 system/libraries/Cache/drivers/Cache_redis.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'system/libraries/Cache')

diff --git a/system/libraries/Cache/drivers/Cache_redis.php b/system/libraries/Cache/drivers/Cache_redis.php
index 194745fe0..f13e4479f 100644
--- a/system/libraries/Cache/drivers/Cache_redis.php
+++ b/system/libraries/Cache/drivers/Cache_redis.php
@@ -211,13 +211,13 @@ class CI_Cache_redis extends CI_Driver
 			
 			if ( ! $success)
 			{
-				log_message('debug','Redis connection refused. Check the config.');
+				log_message('debug', 'Cache: Redis connection refused. Check the config.');
 				return FALSE;
 			}
 		}
 		catch (RedisException $e)
 		{
-			log_message('debug','Cache: Redis connection refused ('.$e->getMessage().')');
+			log_message('debug', 'Cache: Redis connection refused ('.$e->getMessage().')');
 			return FALSE;
 		}
 
-- 
cgit v1.2.3-24-g4f1b


From 119d8a7547e155edaaa53682b9247cd7e80d8c9d Mon Sep 17 00:00:00 2001
From: Andrey Andreev <narf@devilix.net>
Date: Wed, 8 Jan 2014 15:27:53 +0200
Subject: Optimize get_instance() calls/assignments

---
 system/libraries/Cache/drivers/Cache_redis.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'system/libraries/Cache')

diff --git a/system/libraries/Cache/drivers/Cache_redis.php b/system/libraries/Cache/drivers/Cache_redis.php
index f13e4479f..48c803d7e 100644
--- a/system/libraries/Cache/drivers/Cache_redis.php
+++ b/system/libraries/Cache/drivers/Cache_redis.php
@@ -208,7 +208,7 @@ class CI_Cache_redis extends CI_Driver
 			{
 				$success = $this->_redis->connect($config['host'], $config['port'], $config['timeout']);
 			}
-			
+
 			if ( ! $success)
 			{
 				log_message('debug', 'Cache: Redis connection refused. Check the config.');
@@ -225,7 +225,7 @@ class CI_Cache_redis extends CI_Driver
 		{
 			$this->_redis->auth($config['password']);
 		}
-		
+
 		return TRUE;
 	}
 
-- 
cgit v1.2.3-24-g4f1b


From 43d7fa73534c07d10a88ec120c0938d0d00a184e Mon Sep 17 00:00:00 2001
From: Andrey Andreev <narf@devilix.net>
Date: Thu, 9 Jan 2014 17:29:45 +0200
Subject: Implement atomic increment/decrement in Cache library

Requested via issue #109
Supersedes PR #241
---
 system/libraries/Cache/Cache.php                   |  39 +++++++-
 system/libraries/Cache/drivers/Cache_apc.php       |  57 +++++++++--
 system/libraries/Cache/drivers/Cache_dummy.php     |  31 +++++-
 system/libraries/Cache/drivers/Cache_file.php      | 108 ++++++++++++++++-----
 system/libraries/Cache/drivers/Cache_memcached.php |  54 +++++++++--
 system/libraries/Cache/drivers/Cache_redis.php     |  49 ++++++++--
 system/libraries/Cache/drivers/Cache_wincache.php  |  47 +++++++--
 7 files changed, 324 insertions(+), 61 deletions(-)

(limited to 'system/libraries/Cache')

diff --git a/system/libraries/Cache/Cache.php b/system/libraries/Cache/Cache.php
index 537897eaf..2dffa350c 100644
--- a/system/libraries/Cache/Cache.php
+++ b/system/libraries/Cache/Cache.php
@@ -150,14 +150,15 @@ class CI_Cache extends CI_Driver_Library {
 	/**
 	 * Cache Save
 	 *
-	 * @param	string	$id		Cache ID
-	 * @param	mixed	$data		Data to store
-	 * @param	int	$ttl = 60	Cache TTL (in seconds)
+	 * @param	string	$id	Cache ID
+	 * @param	mixed	$data	Data to store
+	 * @param	int	$ttl	Cache TTL (in seconds)
+	 * @param	bool	$raw	Whether to store the raw value
 	 * @return	bool	TRUE on success, FALSE on failure
 	 */
-	public function save($id, $data, $ttl = 60)
+	public function save($id, $data, $ttl = 60, $raw = FALSE)
 	{
-		return $this->{$this->_adapter}->save($this->key_prefix.$id, $data, $ttl);
+		return $this->{$this->_adapter}->save($this->key_prefix.$id, $data, $ttl, $raw);
 	}
 
 	// ------------------------------------------------------------------------
@@ -175,6 +176,34 @@ class CI_Cache extends CI_Driver_Library {
 
 	// ------------------------------------------------------------------------
 
+	/**
+	 * Increment a raw value
+	 *
+	 * @param	string	$id	Cache ID
+	 * @param	int	$offset	Step/value to add
+	 * @return	mixed	New value on success or FALSE on failure
+	 */
+	public function increment($id, $offset = 1)
+	{
+		return $this->{$this->_adapter}->increment($id, $offset);
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Decrement a raw value
+	 *
+	 * @param	string	$id	Cache ID
+	 * @param	int	$offset	Step/value to reduce by
+	 * @return	mixed	New value on success or FALSE on failure
+	 */
+	public function decrement($id, $offset = 1)
+	{
+		return $this->{$this->_adapter}->decrement($id, $offset);
+	}
+
+	// ------------------------------------------------------------------------
+
 	/**
 	 * Clean the cache
 	 *
diff --git a/system/libraries/Cache/drivers/Cache_apc.php b/system/libraries/Cache/drivers/Cache_apc.php
index a84e7d2d3..b5381ddaf 100644
--- a/system/libraries/Cache/drivers/Cache_apc.php
+++ b/system/libraries/Cache/drivers/Cache_apc.php
@@ -51,8 +51,14 @@ class CI_Cache_apc extends CI_Driver {
 		$success = FALSE;
 		$data = apc_fetch($id, $success);
 
-		return ($success === TRUE && is_array($data))
-			? unserialize($data[0]) : FALSE;
+		if ($success === TRUE)
+		{
+			return is_array($data)
+				? unserialize($data[0])
+				: $data;
+		}
+
+		return FALSE;
 	}
 
 	// ------------------------------------------------------------------------
@@ -60,16 +66,21 @@ class CI_Cache_apc extends CI_Driver {
 	/**
 	 * Cache Save
 	 *
-	 * @param	string	Unique Key
-	 * @param	mixed	Data to store
-	 * @param	int	Length of time (in seconds) to cache the data
-	 *
-	 * @return	bool	true on success/false on failure
+	 * @param	string	$id	Cache ID
+	 * @param	mixed	$data	Data to store
+	 * @param	int	$ttol	Length of time (in seconds) to cache the data
+	 * @param	bool	$raw	Whether to store the raw value
+	 * @return	bool	TRUE on success, FALSE on failure
 	 */
-	public function save($id, $data, $ttl = 60)
+	public function save($id, $data, $ttl = 60, $raw = FALSE)
 	{
 		$ttl = (int) $ttl;
-		return apc_store($id, array(serialize($data), time(), $ttl), $ttl);
+
+		return apc_store(
+			$id,
+			($raw === TRUE ? $data : array(serialize($data), time(), $ttl)),
+			$ttl
+		);
 	}
 
 	// ------------------------------------------------------------------------
@@ -87,6 +98,34 @@ class CI_Cache_apc extends CI_Driver {
 
 	// ------------------------------------------------------------------------
 
+	/**
+	 * Increment a raw value
+	 *
+	 * @param	string	$id	Cache ID
+	 * @param	int	$offset	Step/value to add
+	 * @return	mixed	New value on success or FALSE on failure
+	 */
+	public function increment($id, $offset = 1)
+	{
+		return apc_inc($id, $offset);
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Decrement a raw value
+	 *
+	 * @param	string	$id	Cache ID
+	 * @param	int	$offset	Step/value to reduce by
+	 * @return	mixed	New value on success or FALSE on failure
+	 */
+	public function decrement($id, $offset = 1)
+	{
+		return apc_dec($id, $offset);
+	}
+
+	// ------------------------------------------------------------------------
+
 	/**
 	 * Clean the cache
 	 *
diff --git a/system/libraries/Cache/drivers/Cache_dummy.php b/system/libraries/Cache/drivers/Cache_dummy.php
index d9af3773b..7e2b907a6 100644
--- a/system/libraries/Cache/drivers/Cache_dummy.php
+++ b/system/libraries/Cache/drivers/Cache_dummy.php
@@ -58,9 +58,10 @@ class CI_Cache_dummy extends CI_Driver {
 	 * @param	string	Unique Key
 	 * @param	mixed	Data to store
 	 * @param	int	Length of time (in seconds) to cache the data
+	 * @param	bool	Whether to store the raw value
 	 * @return	bool	TRUE, Simulating success
 	 */
-	public function save($id, $data, $ttl = 60)
+	public function save($id, $data, $ttl = 60, $raw = FALSE)
 	{
 		return TRUE;
 	}
@@ -80,6 +81,34 @@ class CI_Cache_dummy extends CI_Driver {
 
 	// ------------------------------------------------------------------------
 
+	/**
+	 * Increment a raw value
+	 *
+	 * @param	string	$id	Cache ID
+	 * @param	int	$offset	Step/value to add
+	 * @return	mixed	New value on success or FALSE on failure
+	 */
+	public function increment($id, $offset = 1)
+	{
+		return TRUE;
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Decrement a raw value
+	 *
+	 * @param	string	$id	Cache ID
+	 * @param	int	$offset	Step/value to reduce by
+	 * @return	mixed	New value on success or FALSE on failure
+	 */
+	public function decrement($id, $offset = 1)
+	{
+		return TRUE;
+	}
+
+	// ------------------------------------------------------------------------
+
 	/**
 	 * Clean the cache
 	 *
diff --git a/system/libraries/Cache/drivers/Cache_file.php b/system/libraries/Cache/drivers/Cache_file.php
index 769bd5a26..8c99c5ef3 100644
--- a/system/libraries/Cache/drivers/Cache_file.php
+++ b/system/libraries/Cache/drivers/Cache_file.php
@@ -62,25 +62,13 @@ class CI_Cache_file extends CI_Driver {
 	/**
 	 * Fetch from cache
 	 *
-	 * @param	mixed	unique key id
-	 * @return	mixed	data on success/false on failure
+	 * @param	string	$id	Cache ID
+	 * @return	mixed	Data on success, FALSE on failure
 	 */
 	public function get($id)
 	{
-		if ( ! file_exists($this->_cache_path.$id))
-		{
-			return FALSE;
-		}
-
-		$data = unserialize(file_get_contents($this->_cache_path.$id));
-
-		if ($data['ttl'] > 0 && time() > $data['time'] + $data['ttl'])
-		{
-			unlink($this->_cache_path.$id);
-			return FALSE;
-		}
-
-		return $data['data'];
+		$data = $this->_get($id);
+		return is_array($data) ? $data['data'] : FALSE;
 	}
 
 	// ------------------------------------------------------------------------
@@ -88,13 +76,13 @@ class CI_Cache_file extends CI_Driver {
 	/**
 	 * Save into cache
 	 *
-	 * @param	string	unique key
-	 * @param	mixed	data to store
-	 * @param	int	length of time (in seconds) the cache is valid
-	 *				- Default is 60 seconds
-	 * @return	bool	true on success/false on failure
+	 * @param	string	$id	Cache ID
+	 * @param	mixed	$data	Data to store
+	 * @param	int	$ttl	Time to live in seconds
+	 * @param	bool	$raw	Whether to store the raw value (unused)
+	 * @return	bool	TRUE on success, FALSE on failure
 	 */
-	public function save($id, $data, $ttl = 60)
+	public function save($id, $data, $ttl = 60, $raw = FALSE)
 	{
 		$contents = array(
 			'time'		=> time(),
@@ -126,6 +114,54 @@ class CI_Cache_file extends CI_Driver {
 
 	// ------------------------------------------------------------------------
 
+	/**
+	 * Increment a raw value
+	 *
+	 * @param	string	$id	Cache ID
+	 * @param	int	$offset	Step/value to add
+	 * @return	New value on success, FALSE on failure
+	 */
+	public function increment($id, $offset = 1)
+	{
+		$data = $this->_get($id);
+
+		if ($data === FALSE OR ! is_int($data['data']))
+		{
+			return FALSE;
+		}
+
+		$new_value = $data['data'] + $offset;
+		return $this->save($id, $new_value, $data['ttl'])
+			? $new_value
+			: FALSE;
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Decrement a raw value
+	 *
+	 * @param	string	$id	Cache ID
+	 * @param	int	$offset	Step/value to reduce by
+	 * @return	New value on success, FALSE on failure
+	 */
+	public function decrement($id, $offset = 1)
+	{
+		$data = $this->_get($id);
+
+		if ($data === FALSE OR ! is_int($data['data']))
+		{
+			return FALSE;
+		}
+
+		$new_value = $data['data'] - $offset;
+		return $this->save($id, $new_value, $data['ttl'])
+			? $new_value
+			: FALSE;
+	}
+
+	// ------------------------------------------------------------------------
+
 	/**
 	 * Clean the Cache
 	 *
@@ -200,6 +236,34 @@ class CI_Cache_file extends CI_Driver {
 		return is_really_writable($this->_cache_path);
 	}
 
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Get all data
+	 *
+	 * Internal method to get all the relevant data about a cache item
+	 *
+	 * @param	string	$id	Cache ID
+	 * @return	mixed	Data array on success or FALSE on failure
+	 */
+	protected function _get($id)
+	{
+		if ( ! file_exists($this->_cache_path.$id))
+		{
+			return FALSE;
+		}
+
+		$data = unserialize(file_get_contents($this->_cache_path.$id));
+
+		if ($data['ttl'] > 0 && time() > $data['time'] + $data['ttl'])
+		{
+			unlink($this->_cache_path.$id);
+			return FALSE;
+		}
+
+		return $data;
+	}
+
 }
 
 /* End of file Cache_file.php */
diff --git a/system/libraries/Cache/drivers/Cache_memcached.php b/system/libraries/Cache/drivers/Cache_memcached.php
index d2a3a489d..886357e57 100644
--- a/system/libraries/Cache/drivers/Cache_memcached.php
+++ b/system/libraries/Cache/drivers/Cache_memcached.php
@@ -60,14 +60,14 @@ class CI_Cache_memcached extends CI_Driver {
 	/**
 	 * Fetch from cache
 	 *
-	 * @param	mixed	unique key id
-	 * @return	mixed	data on success/false on failure
+	 * @param	string	$id	Cache ID
+	 * @return	mixed	Data on success, FALSE on failure
 	 */
 	public function get($id)
 	{
 		$data = $this->_memcached->get($id);
 
-		return is_array($data) ? $data[0] : FALSE;
+		return is_array($data) ? $data[0] : $data;
 	}
 
 	// ------------------------------------------------------------------------
@@ -75,20 +75,26 @@ class CI_Cache_memcached extends CI_Driver {
 	/**
 	 * Save
 	 *
-	 * @param	string	unique identifier
-	 * @param	mixed	data being cached
-	 * @param	int	time to live
-	 * @return	bool	true on success, false on failure
+	 * @param	string	$id	Cache ID
+	 * @param	mixed	$data	Data being cached
+	 * @param	int	$ttl	Time to live
+	 * @param	bool	$raw	Whether to store the raw value
+	 * @return	bool	TRUE on success, FALSE on failure
 	 */
-	public function save($id, $data, $ttl = 60)
+	public function save($id, $data, $ttl = 60, $raw = FALSE)
 	{
+		if ($raw !== TRUE)
+		{
+			$data = array($data, time, $ttl);
+		}
+
 		if (get_class($this->_memcached) === 'Memcached')
 		{
-			return $this->_memcached->set($id, array($data, time(), $ttl), $ttl);
+			return $this->_memcached->set($id, $data, $ttl);
 		}
 		elseif (get_class($this->_memcached) === 'Memcache')
 		{
-			return $this->_memcached->set($id, array($data, time(), $ttl), 0, $ttl);
+			return $this->_memcached->set($id, $data, 0, $ttl);
 		}
 
 		return FALSE;
@@ -109,6 +115,34 @@ class CI_Cache_memcached extends CI_Driver {
 
 	// ------------------------------------------------------------------------
 
+	/**
+	 * Increment a raw value
+	 *
+	 * @param	string	$id	Cache ID
+	 * @param	int	$offset	Step/value to add
+	 * @return	mixed	New value on success or FALSE on failure
+	 */
+	public function increment($id, $offset = 1)
+	{
+		return $this->_memcached->increment($id, $offset);
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Decrement a raw value
+	 *
+	 * @param	string	$id	Cache ID
+	 * @param	int	$offset	Step/value to reduce by
+	 * @return	mixed	New value on success or FALSE on failure
+	 */
+	public function decrement($id, $offset = 1)
+	{
+		return $this->_memcached->decrement($id, $offset);
+	}
+
+	// ------------------------------------------------------------------------
+
 	/**
 	 * Clean the Cache
 	 *
diff --git a/system/libraries/Cache/drivers/Cache_redis.php b/system/libraries/Cache/drivers/Cache_redis.php
index 48c803d7e..b6fddf035 100644
--- a/system/libraries/Cache/drivers/Cache_redis.php
+++ b/system/libraries/Cache/drivers/Cache_redis.php
@@ -63,7 +63,7 @@ class CI_Cache_redis extends CI_Driver
 	/**
 	 * Get cache
 	 *
-	 * @param	string	Cache key identifier
+	 * @param	string	Cache ID
 	 * @return	mixed
 	 */
 	public function get($key)
@@ -76,16 +76,17 @@ class CI_Cache_redis extends CI_Driver
 	/**
 	 * Save cache
 	 *
-	 * @param	string	Cache key identifier
-	 * @param	mixed	Data to save
-	 * @param	int	Time to live
-	 * @return	bool
+	 * @param	string	$id	Cache ID
+	 * @param	mixed	$data	Data to save
+	 * @param	int	$ttl	Time to live in seconds
+	 * @param	bool	$raw	Whether to store the raw value (unused)
+	 * @return	bool	TRUE on success, FALSE on failure
 	 */
-	public function save($key, $value, $ttl = NULL)
+	public function save($id, $data, $ttl = 60, $raw = FALSE)
 	{
 		return ($ttl)
-			? $this->_redis->setex($key, $ttl, $value)
-			: $this->_redis->set($key, $value);
+			? $this->_redis->setex($id, $ttl, $data)
+			: $this->_redis->set($id, $data);
 	}
 
 	// ------------------------------------------------------------------------
@@ -103,6 +104,38 @@ class CI_Cache_redis extends CI_Driver
 
 	// ------------------------------------------------------------------------
 
+	/**
+	 * Increment a raw value
+	 *
+	 * @param	string	$id	Cache ID
+	 * @param	int	$offset	Step/value to add
+	 * @return	mixed	New value on success or FALSE on failure
+	 */
+	public function increment($id, $offset = 1)
+	{
+		return $this->_redis->exists($id)
+			? $this->_redis->incr($id, $offset)
+			: FALSE;
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Decrement a raw value
+	 *
+	 * @param	string	$id	Cache ID
+	 * @param	int	$offset	Step/value to reduce by
+	 * @return	mixed	New value on success or FALSE on failure
+	 */
+	public function decrement($id, $offset = 1)
+	{
+		return $this->_redis->exists($id)
+			? $this->_redis->decr($id, $offset)
+			: FALSE;
+	}
+
+	// ------------------------------------------------------------------------
+
 	/**
 	 * Clean cache
 	 *
diff --git a/system/libraries/Cache/drivers/Cache_wincache.php b/system/libraries/Cache/drivers/Cache_wincache.php
index 80d3ac13d..25c18ab58 100644
--- a/system/libraries/Cache/drivers/Cache_wincache.php
+++ b/system/libraries/Cache/drivers/Cache_wincache.php
@@ -46,8 +46,8 @@ class CI_Cache_wincache extends CI_Driver {
 	 * Look for a value in the cache. If it exists, return the data,
 	 * if not, return FALSE
 	 *
-	 * @param	string
-	 * @return	mixed	value that is stored/FALSE on failure
+	 * @param	string	$id	Cache Ide
+	 * @return	mixed	Value that is stored/FALSE on failure
 	 */
 	public function get($id)
 	{
@@ -63,12 +63,13 @@ class CI_Cache_wincache extends CI_Driver {
 	/**
 	 * Cache Save
 	 *
-	 * @param	string	Unique Key
-	 * @param	mixed	Data to store
-	 * @param	int	Length of time (in seconds) to cache the data
+	 * @param	string	$id	Cache ID
+	 * @param	mixed	$data	Data to store
+	 * @param	int	$ttl	Time to live (in seconds)
+	 * @param	bool	$raw	Whether to store the raw value (unused)
 	 * @return	bool	true on success/false on failure
 	 */
-	public function save($id, $data, $ttl = 60)
+	public function save($id, $data, $ttl = 60, $raw = FALSE)
 	{
 		return wincache_ucache_set($id, $data, $ttl);
 	}
@@ -88,6 +89,40 @@ class CI_Cache_wincache extends CI_Driver {
 
 	// ------------------------------------------------------------------------
 
+	/**
+	 * Increment a raw value
+	 *
+	 * @param	string	$id	Cache ID
+	 * @param	int	$offset	Step/value to add
+	 * @return	mixed	New value on success or FALSE on failure
+	 */
+	public function increment($id, $offset = 1)
+	{
+		$success = FALSE;
+		$value = wincache_ucache_inc($id, $offset, $success);
+
+		return ($success === TRUE) ? $value : FALSE;
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Decrement a raw value
+	 *
+	 * @param	string	$id	Cache ID
+	 * @param	int	$offset	Step/value to reduce by
+	 * @return	mixed	New value on success or FALSE on failure
+	 */
+	public function decrement($id, $offset = 1)
+	{
+		$success = FALSE;
+		$value = wincache_ucache_dec($id, $offset, $success);
+
+		return ($success === TRUE) ? $value : FALSE;
+	}
+
+	// ------------------------------------------------------------------------
+
 	/**
 	 * Clean the cache
 	 *
-- 
cgit v1.2.3-24-g4f1b


From b2a0e70585367e59bf2d106629c0e9c3ab1370c2 Mon Sep 17 00:00:00 2001
From: Andrey Andreev <narf@devilix.net>
Date: Sat, 18 Jan 2014 16:54:51 +0200
Subject: Fix #2825

---
 system/libraries/Cache/drivers/Cache_memcached.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'system/libraries/Cache')

diff --git a/system/libraries/Cache/drivers/Cache_memcached.php b/system/libraries/Cache/drivers/Cache_memcached.php
index 886357e57..d59847752 100644
--- a/system/libraries/Cache/drivers/Cache_memcached.php
+++ b/system/libraries/Cache/drivers/Cache_memcached.php
@@ -85,7 +85,7 @@ class CI_Cache_memcached extends CI_Driver {
 	{
 		if ($raw !== TRUE)
 		{
-			$data = array($data, time, $ttl);
+			$data = array($data, time(), $ttl);
 		}
 
 		if (get_class($this->_memcached) === 'Memcached')
-- 
cgit v1.2.3-24-g4f1b


From 871754af60251993d640981e107d2def5f2db396 Mon Sep 17 00:00:00 2001
From: darwinel <kmorssink@gmail.com>
Date: Tue, 11 Feb 2014 17:34:57 +0100
Subject: 2013 > 2014

Update copyright notices from 2013 to 2014.
And update one calendar example in user_guide from year 2013/2014 to
2014/2015.
---
 system/libraries/Cache/Cache.php                   | 2 +-
 system/libraries/Cache/drivers/Cache_apc.php       | 2 +-
 system/libraries/Cache/drivers/Cache_dummy.php     | 2 +-
 system/libraries/Cache/drivers/Cache_file.php      | 2 +-
 system/libraries/Cache/drivers/Cache_memcached.php | 2 +-
 system/libraries/Cache/drivers/Cache_redis.php     | 2 +-
 system/libraries/Cache/drivers/Cache_wincache.php  | 2 +-
 7 files changed, 7 insertions(+), 7 deletions(-)

(limited to 'system/libraries/Cache')

diff --git a/system/libraries/Cache/Cache.php b/system/libraries/Cache/Cache.php
index 2dffa350c..f9768b10c 100644
--- a/system/libraries/Cache/Cache.php
+++ b/system/libraries/Cache/Cache.php
@@ -18,7 +18,7 @@
  *
  * @package		CodeIgniter
  * @author		EllisLab Dev Team
- * @copyright	Copyright (c) 2008 - 2013, EllisLab, Inc. (http://ellislab.com/)
+ * @copyright	Copyright (c) 2008 - 2014, EllisLab, Inc. (http://ellislab.com/)
  * @license		http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
  * @link		http://codeigniter.com
  * @since		Version 2.0
diff --git a/system/libraries/Cache/drivers/Cache_apc.php b/system/libraries/Cache/drivers/Cache_apc.php
index b5381ddaf..d062103bd 100644
--- a/system/libraries/Cache/drivers/Cache_apc.php
+++ b/system/libraries/Cache/drivers/Cache_apc.php
@@ -18,7 +18,7 @@
  *
  * @package		CodeIgniter
  * @author		EllisLab Dev Team
- * @copyright	Copyright (c) 2008 - 2013, EllisLab, Inc. (http://ellislab.com/)
+ * @copyright	Copyright (c) 2008 - 2014, EllisLab, Inc. (http://ellislab.com/)
  * @license		http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
  * @link		http://codeigniter.com
  * @since		Version 2.0
diff --git a/system/libraries/Cache/drivers/Cache_dummy.php b/system/libraries/Cache/drivers/Cache_dummy.php
index 7e2b907a6..521b9e6dd 100644
--- a/system/libraries/Cache/drivers/Cache_dummy.php
+++ b/system/libraries/Cache/drivers/Cache_dummy.php
@@ -18,7 +18,7 @@
  *
  * @package		CodeIgniter
  * @author		EllisLab Dev Team
- * @copyright	Copyright (c) 2008 - 2013, EllisLab, Inc. (http://ellislab.com/)
+ * @copyright	Copyright (c) 2008 - 2014, EllisLab, Inc. (http://ellislab.com/)
  * @license		http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
  * @link		http://codeigniter.com
  * @since		Version 2.0
diff --git a/system/libraries/Cache/drivers/Cache_file.php b/system/libraries/Cache/drivers/Cache_file.php
index 8c99c5ef3..c6aa848fe 100644
--- a/system/libraries/Cache/drivers/Cache_file.php
+++ b/system/libraries/Cache/drivers/Cache_file.php
@@ -18,7 +18,7 @@
  *
  * @package		CodeIgniter
  * @author		EllisLab Dev Team
- * @copyright	Copyright (c) 2008 - 2013, EllisLab, Inc. (http://ellislab.com/)
+ * @copyright	Copyright (c) 2008 - 2014, EllisLab, Inc. (http://ellislab.com/)
  * @license		http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
  * @link		http://codeigniter.com
  * @since		Version 2.0
diff --git a/system/libraries/Cache/drivers/Cache_memcached.php b/system/libraries/Cache/drivers/Cache_memcached.php
index d59847752..bed606afb 100644
--- a/system/libraries/Cache/drivers/Cache_memcached.php
+++ b/system/libraries/Cache/drivers/Cache_memcached.php
@@ -18,7 +18,7 @@
  *
  * @package		CodeIgniter
  * @author		EllisLab Dev Team
- * @copyright	Copyright (c) 2008 - 2013, EllisLab, Inc. (http://ellislab.com/)
+ * @copyright	Copyright (c) 2008 - 2014, EllisLab, Inc. (http://ellislab.com/)
  * @license		http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
  * @link		http://codeigniter.com
  * @since		Version 2.0
diff --git a/system/libraries/Cache/drivers/Cache_redis.php b/system/libraries/Cache/drivers/Cache_redis.php
index b6fddf035..1c76426c5 100644
--- a/system/libraries/Cache/drivers/Cache_redis.php
+++ b/system/libraries/Cache/drivers/Cache_redis.php
@@ -18,7 +18,7 @@
  *
  * @package		CodeIgniter
  * @author		EllisLab Dev Team
- * @copyright	Copyright (c) 2008 - 2013, EllisLab, Inc. (http://ellislab.com/)
+ * @copyright	Copyright (c) 2008 - 2014, EllisLab, Inc. (http://ellislab.com/)
  * @license		http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
  * @link		http://codeigniter.com
  * @since		Version 3.0
diff --git a/system/libraries/Cache/drivers/Cache_wincache.php b/system/libraries/Cache/drivers/Cache_wincache.php
index 25c18ab58..f412a538d 100644
--- a/system/libraries/Cache/drivers/Cache_wincache.php
+++ b/system/libraries/Cache/drivers/Cache_wincache.php
@@ -18,7 +18,7 @@
  *
  * @package		CodeIgniter
  * @author		EllisLab Dev Team
- * @copyright	Copyright (c) 2008 - 2013, EllisLab, Inc. (http://ellislab.com/)
+ * @copyright	Copyright (c) 2008 - 2014, EllisLab, Inc. (http://ellislab.com/)
  * @license		http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
  * @link		http://codeigniter.com
  * @since		Version 3.0
-- 
cgit v1.2.3-24-g4f1b