| [12] | 1 | <?php
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| 2 |
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| 3 | // security - hide paths
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| 4 | if (!defined('ADODB_DIR')) die();
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| 5 |
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| 6 | global $ADODB_INCLUDED_MEMCACHE;
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| 7 | $ADODB_INCLUDED_MEMCACHE = 1;
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| 8 |
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| 9 | /*
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| 10 |
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| 11 | V4.90 8 June 2006 (c) 2000-2007 John Lim (jlim#natsoft.com.my). All rights reserved.
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| 12 | Released under both BSD license and Lesser GPL library license.
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| 13 | Whenever there is any discrepancy between the two licenses,
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| 14 | the BSD license will take precedence. See License.txt.
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| 15 | Set tabs to 4 for best viewing.
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| 16 |
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| 17 | Latest version is available at http://adodb.sourceforge.net
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| 18 |
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| 19 | */
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| 20 |
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| 21 | function &getmemcache($key,&$err, $timeout=0, $host, $port)
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| 22 | {
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| 23 | $false = false;
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| 24 | $err = false;
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| 25 |
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| 26 | if (!function_exists('memcache_pconnect')) {
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| 27 | $err = 'Memcache module PECL extension not found!';
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| 28 | return $false;
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| 29 | }
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| 30 |
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| 31 | $memcache = new Memcache;
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| 32 | if (!@$memcache->pconnect($host, $port)) {
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| 33 | $err = 'Can\'t connect to memcache server on: '.$host.':'.$port;
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| 34 | return $false;
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| 35 | }
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| 36 |
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| 37 | $rs = $memcache->get($key);
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| 38 | if (!$rs) {
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| 39 | $err = 'Item with such key doesn\'t exists on the memcached server.';
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| 40 | return $false;
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| 41 | }
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| 42 |
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| 43 | $tdiff = intval($rs->timeCreated+$timeout - time());
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| 44 | if ($tdiff <= 2) {
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| 45 | switch($tdiff) {
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| 46 | case 2:
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| 47 | if ((rand() & 15) == 0) {
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| 48 | $err = "Timeout 2";
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| 49 | return $false;
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| 50 | }
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| 51 | break;
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| 52 | case 1:
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| 53 | if ((rand() & 3) == 0) {
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| 54 | $err = "Timeout 1";
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| 55 | return $false;
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| 56 | }
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| 57 | break;
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| 58 | default:
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| 59 | $err = "Timeout 0";
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| 60 | return $false;
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| 61 | }
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| 62 | }
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| 63 | return $rs;
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| 64 | }
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| 65 |
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| 66 | function putmemcache($key, $rs, $host, $port, $compress, $debug=false)
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| 67 | {
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| 68 | $false = false;
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| 69 | $true = true;
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| 70 |
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| 71 | if (!function_exists('memcache_pconnect')) {
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| 72 | if ($debug) ADOConnection::outp(" Memcache module PECL extension not found!<br>\n");
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| 73 | return $false;
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| 74 | }
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| 75 |
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| 76 | $memcache = new Memcache;
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| 77 | if (!@$memcache->pconnect($host, $port)) {
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| 78 | if ($debug) ADOConnection::outp(" Can't connect to memcache server on: $host:$port<br>\n");
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| 79 | return $false;
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| 80 | }
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| 81 |
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| 82 | $rs->timeCreated = time();
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| 83 | if (!$memcache->set($key, $rs, $compress, 0)) {
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| 84 | if ($debug) ADOConnection::outp(" Failed to save data at the memcached server!<br>\n");
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| 85 | return $false;
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| 86 | }
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| 87 | return $true;
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| 88 | }
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| 89 |
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| 90 | function flushmemcache($key=false, $host, $port, $debug=false)
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| 91 | {
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| 92 | if (!function_exists('memcache_pconnect')) {
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| 93 | if ($debug) ADOConnection::outp(" Memcache module PECL extension not found!<br>\n");
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| 94 | return;
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| 95 | }
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| 96 |
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| 97 | $memcache = new Memcache;
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| 98 | if (!@$memcache->pconnect($host, $port)) {
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| 99 | if ($debug) ADOConnection::outp(" Can't connect to memcache server on: $host:$port<br>\n");
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| 100 | return;
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| 101 | }
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| 102 |
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| 103 | if ($key) {
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| 104 | if (!$memcache->delete($key)) {
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| 105 | if ($debug) ADOConnection::outp("CacheFlush: $key entery doesn't exist on memcached server!<br>\n");
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| 106 | } else {
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| 107 | if ($debug) ADOConnection::outp("CacheFlush: $key entery flushed from memcached server!<br>\n");
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| 108 | }
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| 109 | } else {
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| 110 | if (!$memcache->flush()) {
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| 111 | if ($debug) ADOConnection::outp("CacheFlush: Failure flushing all enteries from memcached server!<br>\n");
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| 112 | } else {
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| 113 | if ($debug) ADOConnection::outp("CacheFlush: All enteries flushed from memcached server!<br>\n");
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| 114 | }
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| 115 | }
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| 116 | return;
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| 117 | }
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| 118 | ?>
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