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memcache api

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git-svn-id: file:///home/shish/svn/shimmie2/trunk@833 7f39781d-f577-437e-ae19-be835c7a54ca
This commit is contained in:
shish 2008-04-30 11:26:12 +00:00
parent d0a9ba3d05
commit 3c46aa5335
1 changed files with 33 additions and 0 deletions
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33
core/database.class.php
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@ -37,6 +37,7 @@ class Database {
var $db;
var $extensions;
var $get_images = "SELECT images.*,UNIX_TIMESTAMP(posted) AS posted_timestamp FROM images ";
var $cache_hits = 0, $cache_misses = 0;
/*
* Create a new database object using connection info
@ -46,6 +47,7 @@ class Database {
if(is_readable("config.php")) {
require_once "config.php";
$this->db = @NewADOConnection($database_dsn);
$this->use_memcache = isset($memcache);
if($this->db) {
$this->db->SetFetchMode(ADODB_FETCH_ASSOC);
$this->db->Execute("SET NAMES utf8"); // FIXME: mysql specific :|
@ -64,6 +66,10 @@ class Database {
";
exit;
}
if($this->use_memcache) {
$this->memcache = new Memcache;
$this->memcache->pconnect('localhost', 11211) or ($this->use_memcache = false);
}
}
else {
header("Location: install.php");
@ -71,6 +77,33 @@ class Database {
}
}
// memcache {{{
public function cache_get($key) {
if($this->use_memcache) {
$val = $this->memcache->get($key);
if($val) {
$this->cache_hits++;
return $val;
}
else {
$this->cache_misses++;
}
}
return false;
}
public function cache_set($key, $val, $time=0) {
if($this->use_memcache) {
$this->memcache->set($key, $val, false, $time);
}
}
public function cache_delete($key) {
if($this->use_memcache) {
$this->memcache->delete($key);
}
}
// }}}
// misc {{{
public function count_pages($tags=array()) {
global $config;