X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=inc%2Flibs%2Fcache_functions.php;h=30209debe85c203c0031b540a3acc6a1ccb9410e;hb=452578b5bf17d14099ee44956deb4e4dc0832874;hp=f1356910d97398e23b953594039edd0e149640ff;hpb=0b0f1ec06f8dda4617f231a208ee30204e041e07;p=mailer.git
diff --git a/inc/libs/cache_functions.php b/inc/libs/cache_functions.php
index f1356910d9..30209debe8 100644
--- a/inc/libs/cache_functions.php
+++ b/inc/libs/cache_functions.php
@@ -10,7 +10,12 @@
* -------------------------------------------------------------------- *
* Kurzbeschreibung : Funktionen fuer die admins-Erweiterung *
* -------------------------------------------------------------------- *
- * *
+ * $Revision:: 856 $ *
+ * $Date:: 2009-03-06 20:24:32 +0100 (Fr, 06. Mär 2009) $ *
+ * $Tag:: 0.2.1-FINAL $ *
+ * $Author:: stelzi $ *
+ * Needs to be in all Files and every File needs "svn propset *
+ * svn:keywords Date Revision" (autoprobset!) at least!!!!!! *
* -------------------------------------------------------------------- *
* Copyright (c) 2003 - 2008 by Roland Haeder *
* For more information visit: http://www.mxchange.org *
@@ -38,29 +43,25 @@ if (!defined('__SECURITY')) {
}
// Caching class
-class mxchange_cache
-{
+class CacheSystem {
// Define variables
- var $update_interval = 0;
var $ret = "init";
- var $cache_path = "";
- var $cache_inc = "";
- var $cache_ctime = 0;
- var $cache_pointer = false;
- var $cache_data = "";
- var $cache_version = "";
- var $cache_file = "";
+ var $path = "";
+ var $inc = "";
+ var $fqfn = "";
+ var $pointer = false;
+ var $data = array();
+ var $version = array();
+ var $name = "";
+ var $rebuilt = array();
// Constructor
- function mxchange_cache($interval, $path, $tested) {
+ function CacheSystem ($interval, $path, $tested) {
// Failed is the default
$this->ret = "failed";
- // Remember interval in class
- $this->update_interval = $interval;
-
// Remeber path
- $this->cache_path = $path;
+ $this->path = $path;
// Check if path exists
if ((is_dir($path)) && (!$tested)) {
@@ -89,75 +90,56 @@ class mxchange_cache
}
// Checks validity of cache file and if content is given
- function cache_file ($file, $forceContent = false) {
+ function loadCacheFile ($cacheName, $forceContent = false) {
// Remember cache file
- $this->cache_file = $file;
-
- // Construct FQFN (full qualified file name)
- $inc = $this->cache_path.$file.".cache";
-
- // Rember it + filename in class
- $this->cache_inc = $inc;
+ $this->name = $cacheName;
- // Check if file exists
- $status = (FILE_READABLE($inc) && (is_writeable($inc)));
- if ($status) {
- // Yes, it does. So let's get it's last changed date/time
- $ctime = filectime($inc);
- } else {
- // No, it doesn't. Zero date/time
- $ctime = 0;
- }
+ // Construct include filename for LOAD_INC_ONCE() call
+ $this->inc = $this->path . $cacheName . ".cache";
- // Remember change date/time in class
- $this->cache_ctime = $ctime;
+ // Construct FQFN (full qualified file name)
+ $this->fqfn = constant('PATH') . $this->inc;
- // Is the cache file outdated?
- if (($status) && ((time() - $ctime) >= $this->update_interval)) {
- // Ok, we need an update!
- $status = false;
- } elseif ($status) {
- // Check on 'cache' extension
- $status = $this->ext_version_matches("cache");
- }
+ // Check if file exists and if version matches
+ $status = ($this->isCacheReadable() && (is_writeable($this->fqfn)) && ($this->extensionVersionMatches("cache")));
// Return status
return $status;
}
- function cache_init($array) {
+ // Initializes the cache file
+ function init () {
// This will destory an existing cache file!
if ($this->ret == "done") {
// Create file
- if (FILE_READABLE($this->cache_inc)) chmod($this->cache_inc, 0666);
- $this->cache_pointer = fopen($this->cache_inc, 'w') or mxchange_die("Cannot write to cache ".$this->cache_inc." !");
+ if ($this->isCacheReadable()) chmod($this->fqfn, 0666);
+ $this->pointer = fopen($this->fqfn, 'w') or mxchange_die("Cannot write to cache ".$this->fqfn." !");
- // Begin of cache file
- fwrite($this->cache_pointer, "pointer, "store_extension_version("cache");
+ $this->storeExtensionVersion("cache");
} else {
// Cannot create file
- ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_PROBLEMS_DETECTED);
+ addFatalMessage(__METHOD__, __LINE__, "(".__LINE__."): ".getMessage('CACHE_PROBLEMS_DETECTED'));
}
}
- function add_row ($data) {
- global $cacheArray;
-
- if (is_resource($this->cache_pointer)) {
+ function addRow ($data) {
+ // Is the pointe rvalid?
+ if (is_resource($this->pointer)) {
// Write every array element to cache file
foreach ($data as $k => $v) {
// Write global cache array for immediate access
if ((substr($k, 0, 4) == "ext_") && (isset($data['ext_name'])) && (isset($data['ext_id']))) {
if ($k != "ext_name") {
- $cacheArray['extensions'][$k][$data['ext_name']] = $v;
+ $GLOBALS['cache_array']['extensions'][$k][$data['ext_name']] = $v;
} else {
- $cacheArray['extensions'][$k][$data['ext_id']] = $v;
+ $GLOBALS['cache_array']['extensions'][$k][$data['ext_id']] = $v;
}
if (($k == "ext_keep") && ($v == "Y")) {
- $cacheArray['active_extensions'][$data['ext_name']] = $v;
+ $GLOBALS['cache_array']['active_extensions'][$data['ext_name']] = $v;
} // END - if
} elseif (is_array($v)) {
// Serialize and BASE64-encode the array
@@ -165,109 +147,107 @@ class mxchange_cache
}
// Write cache line to file
- fwrite($this->cache_pointer, $this->add_raw_row($k, $v));
+ fwrite($this->pointer, $this->rewriteEntry($k, $v));
}
} else {
// Cannot create file
- ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_PROBLEMS_DETECTED);
+ addFatalMessage(__METHOD__, __LINE__, "(".__LINE__."): ".getMessage('CACHE_PROBLEMS_DETECTED'));
}
}
- function cache_close() {
+ function finalize () {
// Quit function when no pointer is set
- if (empty($this->cache_pointer)) return;
- if (is_resource($this->cache_pointer)) {
+ if (is_resource($this->pointer)) {
// Write footer
- fwrite($this->cache_pointer, "?>\n");
+ fwrite($this->pointer, "?>\n");
// Close file add destroy handler
- fclose($this->cache_pointer);
+ fclose($this->pointer);
// Set rights
- if (FILE_READABLE($this->cache_inc)) chmod($this->cache_inc, 0666);
+ if ($this->isCacheReadable()) chmod($this->fqfn, 0666);
// Remove pointer
- unset($this->cache_pointer);
- } else {
- // Cannot create file
- ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_PROBLEMS_DETECTED);
- }
+ $this->pointer = false;
+ //* DEBUG: */ print __METHOD__."(".__LINE__."): {$this->name} - FINALIZED!
\n";
+ } // END - if
}
- function cache_load() {
+ function getArrayFromCache () {
// Is the cache already loaded?
- if (isset($this->cache_data[$this->cache_file])) {
+ if (isset($this->data[$this->name])) {
// Return it's content!
- return $this->cache_data[$this->cache_file];
+ return $this->data[$this->name];
} // END - if
// Is the cache file there?
- if (FILE_READABLE($this->cache_inc)) {
+ if ($this->isCacheReadable()) {
// Prepare temporary array
$data = array();
$cache_version = null;
// Load cache file
- require_once($this->cache_inc);
+ require($this->inc);
// Is there an array?
if (is_array($data)) {
// Cache data
- $this->cache_data[$this->cache_file] = $data;
+ $this->data[$this->name] = $data;
// Cache version found?
if ((is_array($cache_version)) && (count($cache_version) > 0)) {
// Remember it as well...
- $this->cache_version[$this->cache_file] = $cache_version;
+ $this->version[$this->name] = $cache_version;
} else {
// Invalid cache so destroy it
- $this->cache_destroy();
+ $this->destroyCacheFile();
// Clear cached data
- $this->cache_data[$this->cache_file] = array();
+ $this->data[$this->name] = array();
}
// Return cache
- return $this->cache_data[$this->cache_file];
+ return $this->data[$this->name];
} else {
// Cache problem detected!
- $this->cache_destroy();
+ $this->destroyCacheFile();
}
} else {
// Cache file not found or not readable
- ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_CANNOT_LOAD_1.$this->cache_inc.CACHE_CANNOT_LOAD_2);
+ addFatalMessage(__METHOD__, __LINE__, "(".__LINE__."): ".CACHE_CANNOT_LOAD_1.$this->fqfn.CACHE_CANNOT_LOAD_2);
}
}
// Destroy an existing cache file
- function cache_destroy() {
+ function destroyCacheFile () {
// Is the cache file there?
- if (FILE_READABLE($this->cache_inc)) {
+ if ((!isset($this->rebuilt[$this->name])) && ($this->isCacheReadable())) {
// Close cache
- $this->cache_close();
+ $this->finalize();
// Remove cache file from system
- unlink($this->cache_inc);
+ //* DEBUG: */ print __METHOD__."(".__LINE__."): {$this->name} - DESTROYED!
\n";
+ unlink($this->fqfn);
+ // @TODO remove from $GLOBALS['cache_array']!!!
// Is the file there?
- if (!FILE_READABLE($this->cache_inc)) {
+ if (!$this->isCacheReadable()) {
// The cache does no longer exist so kill the content
- unset($this->cache_data[$this->cache_file]);
+ unset($this->data[$this->name]);
+ unset($this->version[$this->name]);
+ $this->rebuilt[$this->name] = true;
} else {
// Not removed!
- ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_CANNOT_UNLINK_1.$this->cache_inc.CACHE_CANNOT_UNLINK_2);
+ addFatalMessage(__METHOD__, __LINE__, "(".__LINE__."): ".CACHE_CANNOT_UNLINK_1.$this->fqfn.CACHE_CANNOT_UNLINK_2);
}
- } else {
- // Does not exist!
- ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_PROBLEMS_DETECTED);
- }
+ } // END - if
}
- function cache_remove($search, $data, $array) {
- global $ARRAY;
- if ((FILE_READABLE($this->cache_inc)) && (is_writeable($this->cache_inc))) {
+ // Unused method:
+ function removeEntry ($search, $data, $array) {
+ if (($this->isCacheReadable()) && (is_writeable($this->fqfn))) {
// Load cache into dummy array
- $dummy = $this->cache_load();
+ $dummy = $this->getArrayFromCache();
// Search for key in array
$key = array_search($data, $dummy[$search]);
@@ -276,52 +256,52 @@ class mxchange_cache
foreach ($array as $a) {
// So we can remove all elements as requested
unset($dummy[$a][$key]);
- }
+ } // END - foreach
// Flush array to cache file
- $this->cache_init($ARRAY);
+ $this->init();
// Write array out
- $this->cache_write_array($dummy);
+ $this->writeArray($dummy);
// Close cache file
- $this->cache_close();
+ $this->finalize();
}
} else {
// Cannot write to cache!
- ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_PROBLEMS_DETECTED);
+ addFatalMessage(__METHOD__, __LINE__, "(".__LINE__."): ".getMessage('CACHE_PROBLEMS_DETECTED'));
}
}
- function cache_write_array ($array) {
- if (is_resource($this->cache_pointer)) {
+ function writeArray ($array) {
+ if (is_resource($this->pointer)) {
foreach ($array as $k => $v) {
if (is_array($v)) {
// Multi line(s) found
$LINE = "";
foreach($v as $k2 => $v2) {
// Put every array element in a row...
- $LINE .= $this->add_raw_row($k, $v2);
+ $LINE .= $this->rewriteEntry($k, $v2);
}
} else {
// Single line found
- $LINE = $this->add_raw_row($k, $v);
+ $LINE = $this->rewriteEntry($k, $v);
}
// Write line(s)
- fwrite($this->cache_pointer, $LINE);
+ fwrite($this->pointer, $LINE);
} // END - foreach
} else {
// Cannot write array!
- ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_PROBLEMS_DETECTED);
+ addFatalMessage(__METHOD__, __LINE__, "(".__LINE__."): ".getMessage('CACHE_PROBLEMS_DETECTED'));
}
}
- function cache_replace($search, $replace, $search_key, $array) {
- global $ARRAY;
- if ((FILE_READABLE($this->cache_inc)) && (is_writeable($this->cache_inc))) {
+ // Unused method
+ function replaceEntry ($search, $replace, $search_key, $array) {
+ if (($this->isCacheReadable()) && (is_writeable($this->fqfn))) {
// Load cache into dummy array
- $dummy = $this->cache_load();
+ $dummy = $this->getArrayFromCache();
// Check if $dummy is valid (prevents some errors)
if ((is_array($dummy)) && (isset($dummy[$search])) && (is_array($dummy[$search]))) {
@@ -335,58 +315,86 @@ class mxchange_cache
if ($a == $search) {
// Update now...
$dummy[$a][$search_key] = $replace;
- }
- }
+ } // END - if
+ } // END - foreach
// Flush array to cache file
- $this->cache_init($ARRAY);
+ $this->init();
// Write array out
- $this->cache_write_array($dummy);
+ $this->writeArray($dummy);
// Close cache file
- $this->cache_close();
- }
- }
+ $this->finalize();
+ } // END - if
+ } // END - if
} else {
// Cannot write to cache!
- ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_PROBLEMS_DETECTED);
+ addFatalMessage(__METHOD__, __LINE__, "(".__LINE__."): ".getMessage('CACHE_PROBLEMS_DETECTED'));
}
}
- function store_extension_version ($ext_name) {
+ // Writes the version of given extension to the cache file
+ function storeExtensionVersion ($ext_name) {
// Valid cache pointer?
- if (is_resource($this->cache_pointer)) {
+ if (is_resource($this->pointer)) {
// Get extension version
$ext_ver = GET_EXT_VERSION($ext_name);
// Write cache line to file
- fwrite($this->cache_pointer, "\$cache_version['".$ext_name."'] = \"".$ext_ver."\";\n");
+ fwrite($this->pointer, "\$cache_version['".$ext_name."'] = \"".$ext_ver."\";\n");
+
+ // Add the extension version to object (DO NOT REMOVE IT! Endless loop...)
+ $this->version[$this->name][$ext_name] = $ext_ver;
+ //* DEBUG: */ print __METHOD__."(".__LINE__."): {$this->name} - {$ext_name}={$ext_ver}
\n";
} else {
// Cannot create file
- ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_PROBLEMS_DETECTED);
+ addFatalMessage(__METHOD__, __LINE__, "(".__LINE__."): ".getMessage('CACHE_PROBLEMS_DETECTED'));
}
}
- function ext_version_matches ($ext_name) {
+ // Checks wether versions from cache and extension matches
+ function extensionVersionMatches ($ext_name) {
// Load cache (dummy)
- $this->cache_load();
+ $this->getArrayFromCache();
// Get extension version
$ext_ver = GET_EXT_VERSION($ext_name);
+ // Debug messages
+ if (isset($this->version[$this->name][$ext_name])) {
+ //* DEBUG: */ print __METHOD__."(".__LINE__."): cache={$this->name},ext_name={$ext_name} - {$ext_ver}/{$this->version[$this->name][$ext_name]}
\n";
+ } else {
+ // No cache version found!
+ DEBUG_LOG(__METHOD__, __LINE__, "Cache {$this->name} has missing version entry for extension {$ext_name}!");
+ }
+
// Compare both
- return ((isset($this->cache_version[$this->cache_file][$ext_name])) && ($this->cache_version[$this->cache_file][$ext_name] == $ext_ver));
+ return ((isset($this->version[$this->name][$ext_name])) && ($this->version[$this->name][$ext_name] == $ext_ver));
}
- function add_raw_row ($key, $value) {
+ // Rewrit the entry so it can be stored in cache file
+ // @TODO Add support for more types which break in last else-block
+ function rewriteEntry ($key, $value) {
// Init line
$line = "";
// String or non-string? ;-)
- if ((is_string($value)) || (is_null($value))) {
+ if (is_string($value)) {
// String...
$line = "\$data['".$key."'][] = \"".$value."\";\n";
+ } elseif (is_null($value)) {
+ // Null
+ $line = "\$data['".$key."'][] = null;\n";
+ } elseif (is_bool($value)) {
+ // Boolean value
+ if ($value === true) {
+ // True
+ $line = "\$data['".$key."'][] = true;\n";
+ } else {
+ // False
+ $line = "\$data['".$key."'][] = false;\n";
+ }
} else {
// Non-string
$line = "\$data['".$key."'][] = ".$value.";\n";
@@ -396,9 +404,54 @@ class mxchange_cache
return $line;
}
+ // Getter for cache status
function getStatus () {
return $this->ret;
}
+
+ // Checks wether the current cache file is readable
+ function isCacheReadable () {
+ return INCLUDE_READABLE($this->inc);
+ }
+
+} // END - class
+
+// Destroy the cache on extension changes
+function FILTER_CACHE_DESTROY_ON_EXT_CHANGE ($data) {
+ // Remove cache
+ if ($GLOBALS['cache_instance']->loadCacheFile("config")) $GLOBALS['cache_instance']->destroyCacheFile();
+ if ($GLOBALS['cache_instance']->loadCacheFile("extensions")) $GLOBALS['cache_instance']->destroyCacheFile();
+ if ($GLOBALS['cache_instance']->loadCacheFile("modreg")) $GLOBALS['cache_instance']->destroyCacheFile();
+
+ // Return it
+ return $data;
}
+
+// Destroy the cache on changing admin
+function FILTER_CACHE_DESTROY_ON_ADMIN_CHANGE () {
+ // Remove cache
+ if ($GLOBALS['cache_instance']->loadCacheFile("admins")) $GLOBALS['cache_instance']->destroyCacheFile();
+}
+
+// Destroy all cache files
+function FILTER_CACHE_DESTROY_ALL () {
+ // Remove cache files
+ if ($GLOBALS['cache_instance']->loadCacheFile("admins")) $GLOBALS['cache_instance']->destroyCacheFile();
+ if ($GLOBALS['cache_instance']->loadCacheFile("admins_acls")) $GLOBALS['cache_instance']->destroyCacheFile();
+ if ($GLOBALS['cache_instance']->loadCacheFile("config")) $GLOBALS['cache_instance']->destroyCacheFile();
+ if ($GLOBALS['cache_instance']->loadCacheFile("extensions")) $GLOBALS['cache_instance']->destroyCacheFile();
+ if ($GLOBALS['cache_instance']->loadCacheFile("modreg")) $GLOBALS['cache_instance']->destroyCacheFile();
+ if ($GLOBALS['cache_instance']->loadCacheFile("refdepths")) $GLOBALS['cache_instance']->destroyCacheFile();
+ if ($GLOBALS['cache_instance']->loadCacheFile("refsystem")) $GLOBALS['cache_instance']->destroyCacheFile();
+ if ($GLOBALS['cache_instance']->loadCacheFile("themes")) $GLOBALS['cache_instance']->destroyCacheFile();
+ if ($GLOBALS['cache_instance']->loadCacheFile("revision")) $GLOBALS['cache_instance']->destroyCacheFile();
+}
+
+// Filter for purging entire admin menu cache
+function FILTER_CACHE_PURGE_ADMIN_MENU () {
+ // Just call the function
+ CACHE_PURGE_ADMIN_MENU();
+}
+
//
?>