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-rw-r--r--system/core/Config.php12
-rw-r--r--system/core/Log.php9
-rw-r--r--system/libraries/Session/drivers/Session_database_driver.php2
-rw-r--r--system/libraries/Session/drivers/Session_memcached_driver.php30
-rw-r--r--system/libraries/Session/drivers/Session_redis_driver.php40
-rw-r--r--user_guide_src/source/database/results.rst4
-rw-r--r--user_guide_src/source/libraries/sessions.rst6
7 files changed, 33 insertions, 70 deletions
diff --git a/system/core/Config.php b/system/core/Config.php
index a191a7727..b9af8e3b2 100644
--- a/system/core/Config.php
+++ b/system/core/Config.php
@@ -126,7 +126,6 @@ class CI_Config {
foreach (array($file, ENVIRONMENT.'/'.$file) as $location)
{
$file_path = $path.'config/'.$location.'.php';
-
if (in_array($file_path, $this->is_loaded, TRUE))
{
return TRUE;
@@ -165,14 +164,13 @@ class CI_Config {
$loaded = TRUE;
log_message('debug', 'Config file loaded: '.$file_path);
}
-
- if ($loaded === TRUE)
- {
- return TRUE;
- }
}
- if ($fail_gracefully === TRUE)
+ if ($loaded === TRUE)
+ {
+ return TRUE;
+ }
+ elseif ($fail_gracefully === TRUE)
{
return FALSE;
}
diff --git a/system/core/Log.php b/system/core/Log.php
index 833316273..e8cb401f5 100644
--- a/system/core/Log.php
+++ b/system/core/Log.php
@@ -70,13 +70,6 @@ class CI_Log {
protected $_threshold = 1;
/**
- * Highest level of logging
- *
- * @var int
- */
- protected $_threshold_max = 0;
-
- /**
* Array of threshold levels to log
*
* @var array
@@ -139,7 +132,7 @@ class CI_Log {
}
elseif (is_array($config['log_threshold']))
{
- $this->_threshold = $this->_threshold_max;
+ $this->_threshold = 0;
$this->_threshold_array = array_flip($config['log_threshold']);
}
diff --git a/system/libraries/Session/drivers/Session_database_driver.php b/system/libraries/Session/drivers/Session_database_driver.php
index f496b4fe0..76c1cf34e 100644
--- a/system/libraries/Session/drivers/Session_database_driver.php
+++ b/system/libraries/Session/drivers/Session_database_driver.php
@@ -319,7 +319,7 @@ class CI_Session_database_driver extends CI_Session_driver implements SessionHan
if ($this->_platform === 'mysql')
{
$arg = $session_id.($this->_config['match_ip'] ? '_'.$_SERVER['REMOTE_ADDR'] : '');
- if ($this->_db->query("SELECT GET_LOCK('".$arg."', 10) AS ci_session_lock")->row()->ci_session_lock)
+ if ($this->_db->query("SELECT GET_LOCK('".$arg."', 300) AS ci_session_lock")->row()->ci_session_lock)
{
$this->_lock = $arg;
return TRUE;
diff --git a/system/libraries/Session/drivers/Session_memcached_driver.php b/system/libraries/Session/drivers/Session_memcached_driver.php
index f1a6e2400..938a612d9 100644
--- a/system/libraries/Session/drivers/Session_memcached_driver.php
+++ b/system/libraries/Session/drivers/Session_memcached_driver.php
@@ -204,7 +204,7 @@ class CI_Session_memcached_driver extends CI_Session_driver implements SessionHa
if (isset($this->_lock_key))
{
- $this->_memcached->replace($this->_lock_key, time(), 5);
+ $this->_memcached->replace($this->_lock_key, time(), 300);
if ($this->_fingerprint !== ($fingerprint = md5($session_data)))
{
if ($this->_memcached->set($this->_key_prefix.$session_id, $session_data, $this->_config['expiration']))
@@ -299,34 +299,21 @@ class CI_Session_memcached_driver extends CI_Session_driver implements SessionHa
{
if (isset($this->_lock_key))
{
- return $this->_memcached->replace($this->_lock_key, time(), 5);
+ return $this->_memcached->replace($this->_lock_key, time(), 300);
}
+ // 30 attempts to obtain a lock, in case another request already has it
$lock_key = $this->_key_prefix.$session_id.':lock';
- if ( ! ($ts = $this->_memcached->get($lock_key)))
- {
- if ( ! $this->_memcached->set($lock_key, TRUE, 5))
- {
- log_message('error', 'Session: Error while trying to obtain lock for '.$this->_key_prefix.$session_id);
- return FALSE;
- }
-
- $this->_lock_key = $lock_key;
- $this->_lock = TRUE;
- return TRUE;
- }
-
- // Another process has the lock, we'll try to wait for it to free itself ...
$attempt = 0;
- while ($attempt++ < 5)
+ do
{
- usleep(((time() - $ts) * 1000000) - 20000);
- if (($ts = $this->_memcached->get($lock_key)) < time())
+ if ($this->_memcached->get($lock_key))
{
+ sleep(1);
continue;
}
- if ( ! $this->_memcached->set($lock_key, time(), 5))
+ if ( ! $this->_memcached->set($lock_key, time(), 300))
{
log_message('error', 'Session: Error while trying to obtain lock for '.$this->_key_prefix.$session_id);
return FALSE;
@@ -335,8 +322,9 @@ class CI_Session_memcached_driver extends CI_Session_driver implements SessionHa
$this->_lock_key = $lock_key;
break;
}
+ while ($attempt++ < 30);
- if ($attempt === 5)
+ if ($attempt === 30)
{
log_message('error', 'Session: Unable to obtain lock for '.$this->_key_prefix.$session_id.' after 5 attempts, aborting.');
return FALSE;
diff --git a/system/libraries/Session/drivers/Session_redis_driver.php b/system/libraries/Session/drivers/Session_redis_driver.php
index 5fbb5222c..1ce101daf 100644
--- a/system/libraries/Session/drivers/Session_redis_driver.php
+++ b/system/libraries/Session/drivers/Session_redis_driver.php
@@ -205,7 +205,7 @@ class CI_Session_redis_driver extends CI_Session_driver implements SessionHandle
if (isset($this->_lock_key))
{
- $this->_redis->setTimeout($this->_lock_key, 5);
+ $this->_redis->setTimeout($this->_lock_key, 300);
if ($this->_fingerprint !== ($fingerprint = md5($session_data)))
{
if ($this->_redis->set($this->_key_prefix.$session_id, $session_data, $this->_config['expiration']))
@@ -313,40 +313,21 @@ class CI_Session_redis_driver extends CI_Session_driver implements SessionHandle
{
if (isset($this->_lock_key))
{
- return $this->_redis->setTimeout($this->_lock_key, 5);
+ return $this->_redis->setTimeout($this->_lock_key, 300);
}
+ // 30 attempts to obtain a lock, in case another request already has it
$lock_key = $this->_key_prefix.$session_id.':lock';
- if (($ttl = $this->_redis->ttl($lock_key)) < 1)
- {
- if ( ! $this->_redis->setex($lock_key, 5, time()))
- {
- log_message('error', 'Session: Error while trying to obtain lock for '.$this->_key_prefix.$session_id);
- return FALSE;
- }
-
- $this->_lock_key = $lock_key;
-
- if ($ttl === -1)
- {
- log_message('debug', 'Session: Lock for '.$this->_key_prefix.$session_id.' had no TTL, overriding.');
- }
-
- $this->_lock = TRUE;
- return TRUE;
- }
-
- // Another process has the lock, we'll try to wait for it to free itself ...
$attempt = 0;
- while ($attempt++ < 5)
+ do
{
- usleep(($ttl * 1000000) - 20000);
if (($ttl = $this->_redis->ttl($lock_key)) > 0)
{
+ sleep(1);
continue;
}
- if ( ! $this->_redis->setex($lock_key, 5, time()))
+ if ( ! $this->_redis->setex($lock_key, 300, time()))
{
log_message('error', 'Session: Error while trying to obtain lock for '.$this->_key_prefix.$session_id);
return FALSE;
@@ -355,12 +336,17 @@ class CI_Session_redis_driver extends CI_Session_driver implements SessionHandle
$this->_lock_key = $lock_key;
break;
}
+ while ($attempt++ < 30);
- if ($attempt === 5)
+ if ($attempt === 30)
{
- log_message('error', 'Session: Unable to obtain lock for '.$this->_key_prefix.$session_id.' after 5 attempts, aborting.');
+ log_message('error', 'Session: Unable to obtain lock for '.$this->_key_prefix.$session_id.' after 30 attempts, aborting.');
return FALSE;
}
+ elseif ($ttl === -1)
+ {
+ log_message('debug', 'Session: Lock for '.$this->_key_prefix.$session_id.' had no TTL, overriding.');
+ }
$this->_lock = TRUE;
return TRUE;
diff --git a/user_guide_src/source/database/results.rst b/user_guide_src/source/database/results.rst
index a22c2e8c3..ac44566d3 100644
--- a/user_guide_src/source/database/results.rst
+++ b/user_guide_src/source/database/results.rst
@@ -102,7 +102,7 @@ You can also add a second String parameter, which is the name of a class
to instantiate the row with::
$query = $this->db->query("SELECT * FROM users LIMIT 1;");
- $query->row(0, 'User');
+ $row = $query->row(0, 'User');
echo $row->name; // access attributes
echo $row->reverse_name(); // or methods defined on the 'User' class
@@ -431,4 +431,4 @@ Class Reference
:rtype: array
Returns an array containing the field names in the
- result set. \ No newline at end of file
+ result set.
diff --git a/user_guide_src/source/libraries/sessions.rst b/user_guide_src/source/libraries/sessions.rst
index 9fc33247b..104adb631 100644
--- a/user_guide_src/source/libraries/sessions.rst
+++ b/user_guide_src/source/libraries/sessions.rst
@@ -632,8 +632,7 @@ Redis Driver
.. note:: Since Redis doesn't have a locking mechanism exposed, locks for
this driver are emulated by a separate value that is kept for up
- to 5 seconds. You may experience issues if your page loads take
- longer than that!
+ to 300 seconds.
Redis is a storage engine typically used for caching and popular because
of its high performance, which is also probably your reason to use the
@@ -670,8 +669,7 @@ Memcached Driver
.. note:: Since Memcache doesn't have a locking mechanism exposed, locks
for this driver are emulated by a separate value that is kept for
- up to 5 seconds. You may experience issues if your page loads take
- longer than that!
+ up to 300 seconds.
The 'memcached' driver is very similar to the 'redis' one in all of its
properties, except perhaps for availability, because PHP's `Memcached
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-11-02 10:43:44 +0100