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authorFlorian Pritz <bluewind@xssn.at>2010-08-14 18:08:03 +0200
committerFlorian Pritz <bluewind@xssn.at>2010-08-14 18:20:08 +0200
commitc1cb9059ee60ae1bf1fd20afcf399b5616c8e740 (patch)
tree2fcbf4a58825ea4bb0a011cc752d442d16774c38 /system
parentb82315dfebf9a77d8b5114afcab0cad27c3f40ac (diff)
use memcache
Signed-off-by: Florian Pritz <bluewind@xssn.at>
Diffstat (limited to 'system')
-rw-r--r--system/application/config/example/memcache.php9
-rw-r--r--system/application/libraries/MemcacheLibrary.php182
-rw-r--r--system/application/models/file_mod.php22
3 files changed, 210 insertions, 3 deletions
diff --git a/system/application/config/example/memcache.php b/system/application/config/example/memcache.php
new file mode 100644
index 000000000..a5bc7e3a8
--- /dev/null
+++ b/system/application/config/example/memcache.php
@@ -0,0 +1,9 @@
+<?php
+
+// this file is a config example for the codeigniter-memcache library
+// add this file to the your application's config directory
+$config["MEMCACHE_HOST"] = '127.0.0.1';
+$config["MEMCACHE_PORT"] = 11211;
+
+
+?>
diff --git a/system/application/libraries/MemcacheLibrary.php b/system/application/libraries/MemcacheLibrary.php
new file mode 100644
index 000000000..046a6f599
--- /dev/null
+++ b/system/application/libraries/MemcacheLibrary.php
@@ -0,0 +1,182 @@
+<?php
+
+/**
+* codeigniter-memcache v0.1
+*
+* codeigniter-memcache is a codeigniter library to work with memcached easily.
+*
+*
+* @file MemcacheLibrary.php
+* @copyright 2010 egnity - egnity.com
+* @author Emre Yilmaz <mail@emreyilmaz.me>
+* @license GNU General Public License
+* @version 0.1
+*/
+
+
+class MemcacheLibrary {
+
+ /**
+ * variable that holds memcached backend instance
+ *
+ * @var object
+ * @access public
+ */
+ public $memcachedInstance;
+
+ /**
+ * variable that holds servers for the memcache
+ *
+ * @var array
+ * @access public
+ */
+ public $servers = array();
+
+
+ /**
+ * main CodeIgniter instance
+ *
+ * @var object
+ * @access public
+ */
+ public $CI;
+
+ /**
+ * constructor function for the library
+ */
+ public function __construct() {
+
+ /* initialize memcached instance */
+ if(class_exists("Memcache")) {
+ $this->memcachedInstance = new Memcache();
+ } else {
+ throw new Exception(
+ "Memcached client doesn't exists in your PHP configuration"
+ );
+ }
+
+ /* load super CI instance */
+ $this->CI =& get_instance();
+
+ /* load default server info */
+ $this->CI->config->load("memcache");
+
+ /* connect to default server */
+ if($this->CI->config->item("MEMCACHE_HOST") && $this->CI->config->item("MEMCACHE_PORT")) {
+ $this->addServer($this->CI->config->item("MEMCACHE_HOST"), $this->CI->config->item("MEMCACHE_PORT"));
+ }
+
+ }
+
+ /**
+ * adder function for the memcache servers
+ *
+ * @access public
+ * @return void
+ */
+ public function addServer($server, $port) {
+ $this->servers[] = array(
+ "server" => $server,
+ "port" => $port,
+ );
+
+ $this->memcachedInstance->addServer($server, $port);
+ }
+
+ /**
+ * gets related key from the memcache
+ *
+ * @access public
+ */
+ public function get($key) {
+ $this->logDebugMessage(sprintf("%s key requested from memcache", $key));
+ return $this->memcachedInstance->get($key);
+ }
+
+ /**
+ * sets related key to the memcache
+ *
+ * @access public
+ */
+ public function set($key, $value, $expire = null) {
+ $this->logDebugMessage(
+ sprintf("%s key set to memcache. (expire: %s)",$key, $expire)
+ );
+ return $this->memcachedInstance->set($key, $value, null, $expire);
+ }
+
+ /**
+ * deletes related key from the memcache
+ *
+ * @access public
+ */
+ public function delete($key) {
+ $this->logDebugMessage(sprintf("%s key deleted from memcache.", $key));
+ return $this->memcachedInstance->delete($key);
+ }
+
+ /**
+ * increments related key from the memcache
+ *
+ * @access public
+ */
+ public function increment($key, $offset = 1) {
+ $this->logDebugMessage(sprintf("%s key incremented %s times", $key, $offset));
+ return $this->memcachedInstance->increment($key, $offset);
+ }
+
+ /**
+ * decrements related key from the memcache
+ *
+ * @access public
+ */
+ public function decrement($key, $offset = 1) {
+ $this->logDebugMessage(sprintf("%s key decremented %s times", $key, $offset));
+ return $this->memcachedInstance->decrement($key, $offset);
+ }
+
+ /**
+ * gets running memcached servers.
+ *
+ * @access public
+ * @return array
+ */
+ public function getRunningServers() {
+ return $this->servers;
+ }
+
+ /**
+ * array of server statistics, one entry per server.
+ *
+ * @access public
+ * @return array
+ */
+ public function getStatistics() {
+ return $this->memcachedInstance->getStats();
+ }
+
+ /**
+ * Invalidates all items from the memcache.
+ *
+ * @access public
+ * @return boolean
+ */
+ public function flush($delay = 0) {
+ $this->logDebugMessage(sprintf("memcache flushed! (delay: %s)", $delay));
+ return $this->memcachedInstance->flush($delay);
+ }
+
+ /**
+ * logs the memcache actions to the codeigniter's main logging system.
+ *
+ * @access private
+ */
+ private function logDebugMessage($message) {
+ log_message("debug", $message);
+ }
+}
+
+
+
+
+?>
diff --git a/system/application/models/file_mod.php b/system/application/models/file_mod.php
index 8c197546c..07c3e5555 100644
--- a/system/application/models/file_mod.php
+++ b/system/application/models/file_mod.php
@@ -182,8 +182,16 @@ class File_mod extends Model {
}
echo $this->load->view('file/html_header', $data, true);
if ($mode == "rmd") {
- echo '<td class="markdownrender">'."\n";
- passthru('/usr/bin/perl /usr/bin/perlbin/vendor/Markdown.pl '.escapeshellarg($file));
+ $this->load->library("MemcacheLibrary");
+ if (! $cached = $this->memcachelibrary->get($filedata['hash'].'_'.$mode)) {
+ ob_start();
+ echo '<td class="markdownrender">'."\n";
+ passthru('/usr/bin/perl /usr/bin/perlbin/vendor/Markdown.pl '.escapeshellarg($file));
+ $cached = ob_get_contents();
+ ob_end_clean();
+ $this->memcachelibrary->set($filedata['hash'].'_'.$mode, $cached, 100);
+ }
+ echo $cached;
} else {
echo '<td class="numbers"><pre>';
// only rewrite if it's fast
@@ -197,7 +205,15 @@ class File_mod extends Model {
}
fclose($fp);
} else {
- passthru('/usr/bin/pygmentize -l '.$mode.' -f html '.escapeshellarg($file));
+ $this->load->library("MemcacheLibrary");
+ if (! $cached = $this->memcachelibrary->get($filedata['hash'].'_'.$mode)) {
+ ob_start();
+ passthru('/usr/bin/pygmentize -l '.$mode.' -f html '.escapeshellarg($file));
+ $cached = ob_get_contents();
+ ob_end_clean();
+ $this->memcachelibrary->set($filedata['hash'].'_'.$mode, $cached, 100);
+ }
+ echo $cached;
}
echo '</pre>';
}