Send patches - preferably formatted by git format-patch - to patches at archlinux32 dot org.
summaryrefslogtreecommitdiff
path: root/vendor/adodb/adodb-php/adodb-memcache.lib.inc.php
diff options
context:
space:
mode:
authorAndreas Baumann <mail@andreasbaumann.cc>2020-02-01 09:05:48 +0100
committerAndreas Baumann <mail@andreasbaumann.cc>2020-02-01 09:05:48 +0100
commit6854cb3f4d8219cf1829e32122eb2502a916eae9 (patch)
tree350feb504587d932e02837a1442b059759927646 /vendor/adodb/adodb-php/adodb-memcache.lib.inc.php
initial checkin
Diffstat (limited to 'vendor/adodb/adodb-php/adodb-memcache.lib.inc.php')
-rw-r--r--vendor/adodb/adodb-php/adodb-memcache.lib.inc.php190
1 files changed, 190 insertions, 0 deletions
diff --git a/vendor/adodb/adodb-php/adodb-memcache.lib.inc.php b/vendor/adodb/adodb-php/adodb-memcache.lib.inc.php
new file mode 100644
index 0000000..29696c4
--- /dev/null
+++ b/vendor/adodb/adodb-php/adodb-memcache.lib.inc.php
@@ -0,0 +1,190 @@
+<?php
+
+// security - hide paths
+if (!defined('ADODB_DIR')) die();
+
+global $ADODB_INCLUDED_MEMCACHE;
+$ADODB_INCLUDED_MEMCACHE = 1;
+
+global $ADODB_INCLUDED_CSV;
+if (empty($ADODB_INCLUDED_CSV)) include_once(ADODB_DIR.'/adodb-csvlib.inc.php');
+
+/*
+
+ @version v5.20.14 06-Jan-2019
+ @copyright (c) 2000-2013 John Lim (jlim#natsoft.com). All rights reserved.
+ @copyright (c) 2014 Damien Regad, Mark Newnham and the ADOdb community
+ Released under both BSD license and Lesser GPL library license.
+ Whenever there is any discrepancy between the two licenses,
+ the BSD license will take precedence. See License.txt.
+ Set tabs to 4 for best viewing.
+
+ Latest version is available at http://adodb.org/
+
+Usage:
+
+$db = NewADOConnection($driver);
+$db->memCache = true; /// should we use memCache instead of caching in files
+$db->memCacheHost = array($ip1, $ip2, $ip3);
+$db->memCachePort = 11211; /// this is default memCache port
+$db->memCacheCompress = false; /// Use 'true' to store the item compressed (uses zlib)
+
+$db->Connect(...);
+$db->CacheExecute($sql);
+
+ Note the memcache class is shared by all connections, is created during the first call to Connect/PConnect.
+
+ Class instance is stored in $ADODB_CACHE
+*/
+
+ class ADODB_Cache_MemCache {
+ var $createdir = false; // create caching directory structure?
+
+ //-----------------------------
+ // memcache specific variables
+
+ var $hosts; // array of hosts
+ var $port = 11211;
+ var $compress = false; // memcache compression with zlib
+
+ var $_connected = false;
+ var $_memcache = false;
+
+ function __construct(&$obj)
+ {
+ $this->hosts = $obj->memCacheHost;
+ $this->port = $obj->memCachePort;
+ $this->compress = $obj->memCacheCompress;
+ }
+
+ // implement as lazy connection. The connection only occurs on CacheExecute call
+ function connect(&$err)
+ {
+ if (!function_exists('memcache_pconnect')) {
+ $err = 'Memcache module PECL extension not found!';
+ return false;
+ }
+
+ $memcache = new MemCache;
+
+ if (!is_array($this->hosts)) $this->hosts = array($this->hosts);
+
+ $failcnt = 0;
+ foreach($this->hosts as $host) {
+ if (!@$memcache->addServer($host,$this->port,true)) {
+ $failcnt += 1;
+ }
+ }
+ if ($failcnt == sizeof($this->hosts)) {
+ $err = 'Can\'t connect to any memcache server';
+ return false;
+ }
+ $this->_connected = true;
+ $this->_memcache = $memcache;
+ return true;
+ }
+
+ // returns true or false. true if successful save
+ function writecache($filename, $contents, $debug, $secs2cache)
+ {
+ if (!$this->_connected) {
+ $err = '';
+ if (!$this->connect($err) && $debug) ADOConnection::outp($err);
+ }
+ if (!$this->_memcache) return false;
+
+ if (!$this->_memcache->set($filename, $contents, $this->compress ? MEMCACHE_COMPRESSED : 0, $secs2cache)) {
+ if ($debug) ADOConnection::outp(" Failed to save data at the memcached server!<br>\n");
+ return false;
+ }
+
+ return true;
+ }
+
+ // returns a recordset
+ function readcache($filename, &$err, $secs2cache, $rsClass)
+ {
+ $false = false;
+ if (!$this->_connected) $this->connect($err);
+ if (!$this->_memcache) return $false;
+
+ $rs = $this->_memcache->get($filename);
+ if (!$rs) {
+ $err = 'Item with such key doesn\'t exists on the memcached server.';
+ return $false;
+ }
+
+ // hack, should actually use _csv2rs
+ $rs = explode("\n", $rs);
+ unset($rs[0]);
+ $rs = join("\n", $rs);
+ $rs = unserialize($rs);
+ if (! is_object($rs)) {
+ $err = 'Unable to unserialize $rs';
+ return $false;
+ }
+ if ($rs->timeCreated == 0) return $rs; // apparently have been reports that timeCreated was set to 0 somewhere
+
+ $tdiff = intval($rs->timeCreated+$secs2cache - time());
+ if ($tdiff <= 2) {
+ switch($tdiff) {
+ case 2:
+ if ((rand() & 15) == 0) {
+ $err = "Timeout 2";
+ return $false;
+ }
+ break;
+ case 1:
+ if ((rand() & 3) == 0) {
+ $err = "Timeout 1";
+ return $false;
+ }
+ break;
+ default:
+ $err = "Timeout 0";
+ return $false;
+ }
+ }
+ return $rs;
+ }
+
+ function flushall($debug=false)
+ {
+ if (!$this->_connected) {
+ $err = '';
+ if (!$this->connect($err) && $debug) ADOConnection::outp($err);
+ }
+ if (!$this->_memcache) return false;
+
+ $del = $this->_memcache->flush();
+
+ if ($debug)
+ if (!$del) ADOConnection::outp("flushall: failed!<br>\n");
+ else ADOConnection::outp("flushall: succeeded!<br>\n");
+
+ return $del;
+ }
+
+ function flushcache($filename, $debug=false)
+ {
+ if (!$this->_connected) {
+ $err = '';
+ if (!$this->connect($err) && $debug) ADOConnection::outp($err);
+ }
+ if (!$this->_memcache) return false;
+
+ $del = $this->_memcache->delete($filename);
+
+ if ($debug)
+ if (!$del) ADOConnection::outp("flushcache: $key entry doesn't exist on memcached server!<br>\n");
+ else ADOConnection::outp("flushcache: $key entry flushed from memcached server!<br>\n");
+
+ return $del;
+ }
+
+ // not used for memcache
+ function createdir($dir, $hash)
+ {
+ return true;
+ }
+ }