1 |
<?php
|
2 |
|
3 |
// security - hide paths
|
4 |
if (!defined('ADODB_DIR')) die();
|
5 |
|
6 |
global $ADODB_INCLUDED_MEMCACHE;
|
7 |
$ADODB_INCLUDED_MEMCACHE = 1;
|
8 |
|
9 |
/*
|
10 |
|
11 |
V4.90 8 June 2006 (c) 2000-2006 John Lim (jlim#natsoft.com.my). All rights reserved.
|
12 |
Released under both BSD license and Lesser GPL library license.
|
13 |
Whenever there is any discrepancy between the two licenses,
|
14 |
the BSD license will take precedence. See License.txt.
|
15 |
Set tabs to 4 for best viewing.
|
16 |
|
17 |
Latest version is available at http://adodb.sourceforge.net
|
18 |
|
19 |
*/
|
20 |
|
21 |
function &getmemcache($key,&$err, $timeout=0, $host, $port)
|
22 |
{
|
23 |
$false = false;
|
24 |
$err = false;
|
25 |
|
26 |
if (!function_exists('memcache_pconnect')) {
|
27 |
$err = 'Memcache module PECL extension not found!';
|
28 |
return $false;
|
29 |
}
|
30 |
|
31 |
$memcache = new Memcache;
|
32 |
if (!@$memcache->pconnect($host, $port)) {
|
33 |
$err = 'Can\'t connect to memcache server on: '.$host.':'.$port;
|
34 |
return $false;
|
35 |
}
|
36 |
|
37 |
$rs = $memcache->get($key);
|
38 |
if (!$rs) {
|
39 |
$err = 'Item with such key doesn\'t exists on the memcached server.';
|
40 |
return $false;
|
41 |
}
|
42 |
|
43 |
$tdiff = intval($rs->timeCreated+$timeout - time());
|
44 |
if ($tdiff <= 2) {
|
45 |
switch($tdiff) {
|
46 |
case 2:
|
47 |
if ((rand() & 15) == 0) {
|
48 |
$err = "Timeout 2";
|
49 |
return $false;
|
50 |
}
|
51 |
break;
|
52 |
case 1:
|
53 |
if ((rand() & 3) == 0) {
|
54 |
$err = "Timeout 1";
|
55 |
return $false;
|
56 |
}
|
57 |
break;
|
58 |
default:
|
59 |
$err = "Timeout 0";
|
60 |
return $false;
|
61 |
}
|
62 |
}
|
63 |
return $rs;
|
64 |
}
|
65 |
|
66 |
function putmemcache($key, $rs, $host, $port, $compress, $debug=false)
|
67 |
{
|
68 |
$false = false;
|
69 |
$true = true;
|
70 |
|
71 |
if (!function_exists('memcache_pconnect')) {
|
72 |
if ($debug) ADOConnection::outp(" Memcache module PECL extension not found!<br>\n");
|
73 |
return $false;
|
74 |
}
|
75 |
|
76 |
$memcache = new Memcache;
|
77 |
if (!@$memcache->pconnect($host, $port)) {
|
78 |
if ($debug) ADOConnection::outp(" Can't connect to memcache server on: $host:$port<br>\n");
|
79 |
return $false;
|
80 |
}
|
81 |
|
82 |
$rs->timeCreated = time();
|
83 |
if (!$memcache->set($key, $rs, $compress, 0)) {
|
84 |
if ($debug) ADOConnection::outp(" Failed to save data at the memcached server!<br>\n");
|
85 |
return $false;
|
86 |
}
|
87 |
return $true;
|
88 |
}
|
89 |
|
90 |
function flushmemcache($key=false, $host, $port, $debug=false)
|
91 |
{
|
92 |
if (!function_exists('memcache_pconnect')) {
|
93 |
if ($debug) ADOConnection::outp(" Memcache module PECL extension not found!<br>\n");
|
94 |
return;
|
95 |
}
|
96 |
|
97 |
$memcache = new Memcache;
|
98 |
if (!@$memcache->pconnect($host, $port)) {
|
99 |
if ($debug) ADOConnection::outp(" Can't connect to memcache server on: $host:$port<br>\n");
|
100 |
return;
|
101 |
}
|
102 |
|
103 |
if ($key) {
|
104 |
if (!$memcache->delete($key)) {
|
105 |
if ($debug) ADOConnection::outp("CacheFlush: $key entery doesn't exist on memcached server!<br>\n");
|
106 |
} else {
|
107 |
if ($debug) ADOConnection::outp("CacheFlush: $key entery flushed from memcached server!<br>\n");
|
108 |
}
|
109 |
} else {
|
110 |
if (!$memcache->flush()) {
|
111 |
if ($debug) ADOConnection::outp("CacheFlush: Failure flushing all enteries from memcached server!<br>\n");
|
112 |
} else {
|
113 |
if ($debug) ADOConnection::outp("CacheFlush: All enteries flushed from memcached server!<br>\n");
|
114 |
}
|
115 |
}
|
116 |
return;
|
117 |
}
|
118 |
?>
|