memcacheSync.php File Reference

Go to the source code of this file.

Functions
if( $skipped > 0) if($warnServerDown > 0) if( $warnBigSlab > 0)	getServerKeys ($server)
	Fetch all keys available in an server. More...

Variables
if(!class_exists('Memcache') &&!class_exists('Memcached'))	$baseDir = dirname(dirname(__FILE__))
	$configdir = SimpleSAML\Utils\Config::getConfigDir()
	$warnServerDown = 0
	$warnBigSlab = 0
	$stats = SimpleSAML_Memcache::getRawStats()
	$keys = array()
	foreach ( $stats as $group)
	$skipped = 0
	$sync = 0

Function Documentation

getServerKeys()

if($skipped > 0) if( $warnServerDown > 0) if($warnBigSlab > 0) getServerKeys

(

$server

)

Fetch all keys available in an server.

Parameters

string

$server

The server, as a string with <hostname>:<port>.

Returns

array An array with all the keys available on the server.

Definition at line 96 of file memcacheSync.php.

{
    $server = explode(':', $server);
    $host = $server[0];
    $port = (int) $server[1];
 
    echo("Connecting to: ".$host.":".$port."\n");
    $socket = fsockopen($host, $port);
    echo("Connected. Finding keys.\n");
 
    if (fwrite($socket, "stats slabs\r\n") === false) {
        echo("Error requesting slab dump from server.\n");
        exit(1);
    }
 
    // Read list of slabs
    $slabs = array();
    while (($line = fgets($socket)) !== false) {
        $line = rtrim($line);
        if ($line === 'END') {
            break;
        }
 
        if (preg_match('/^STAT (\d+):/', $line, $matches)) {
            $slab = (int) $matches[1];
            if (!in_array($slab, $slabs, true)) {
                $slabs[] = $slab;
            }
        }
    }
 
    // Dump keys in slabs
    $keys = array();
    foreach ($slabs as $slab) {
 
        if (fwrite($socket, "stats cachedump ".$slab." 1000000\r\n") === false) {
            echo("Error requesting cache dump from server.\n");
            exit(1);
        }
 
        /* We keep track of the result size, to be able to warn the user if it is
         * so big that keys may have been lost.
         */
        $resultSize = 0;
 
        while (($line = fgets($socket)) !== false) {
            $resultSize += strlen($line);
 
            $line = rtrim($line);
            if ($line === 'END') {
                break;
            }
 
            if (preg_match('/^ITEM (.*) \[\d+ b; \d+ s\]/', $line, $matches)) {
                $keys[] = $matches[1];
            } else {
                echo("Unknown result from cache dump: ".$line."\n");
            }
        }
        if ($resultSize > 1900000 || count($keys) >= 1000000) {
            echo("WARNING: Slab ".$slab." on server ".$host.":".$port.
                " may have contained more keys than we were told about.\n");
            $GLOBALS['warnBigSlab'] += 1;
        }
    }
 
    echo("Found ".count($keys)." key(s).\n");
    fclose($socket);
 
    return $keys;
}

References $GLOBALS, $keys, $server, and exit.

Variable Documentation

$baseDir

if (!class_exists( 'Memcache') &&!class_exists( 'Memcached')) $baseDir = dirname(dirname(__FILE__))

Definition at line 22 of file memcacheSync.php.

$configdir

$configdir = SimpleSAML\Utils\Config::getConfigDir()

Definition at line 28 of file memcacheSync.php.

$keys

$keys = array()

Definition at line 38 of file memcacheSync.php.

Referenced by ilAccessKeyTableGUI\__construct(), HTMLPurifier_ChildDef_Required\__construct(), PhpOffice\PhpSpreadsheet\Chart\DataSeries\__construct(), CoreTestIteratorAggregate\__construct(), CoreTestIteratorAggregateAggregate\__construct(), CoreTestIterator\__construct(), GuzzleHttp\Psr7\_caseless_remove(), ilObjLanguageExt\_deleteValues(), ilObjLanguageExt\_saveValues(), phpseclib\Net\SSH2\_ssh_agent_login(), pdoDB\addPrimaryKey(), getid3_write_id3v2\array_join_merge(), ilDBPdo\autoExecute(), IMSGlobal\LTI\OAuth\OAuthUtil\build_http_query(), OAuthUtil\build_http_query(), soap_parser\buildVal(), ilAssLacOrderingResultExpression\checkResult(), sspmod_saml_Message\checkSign(), Sabre\CardDAV\Plugin\convertVCard(), sspmod_saml_Message\decryptAssertion(), sspmod_saml_Message\decryptAttributes(), PhpOffice\PhpSpreadsheet\Collection\Memory\deleteMultiple(), sspmod_saml_IdP_SAML2\encryptAssertion(), Monolog\Handler\Slack\SlackRecord\excludeFields(), ilObjTestGUI\fetchAuthoringQuestionIdParameter(), HTMLPurifier_Language\formatMessage(), Jumbojett\OpenIDConnectClient\get_key_for_header(), PhpOffice\PhpSpreadsheet\Chart\Properties\getArrayElementsValue(), assClozeGap\getBestSolutionIndexes(), sspmod_saml_Message\getDecryptionKeys(), sspmod_saml_Message\getEncryptionKey(), PhpOffice\PhpSpreadsheet\Calculation\Database\DatabaseAbstract\getFilteredColumn(), ilHttpRequestsLanguageDetector\getIso2LanguageCode(), ilAccessKey\getKeys(), PhpOffice\PhpSpreadsheet\Collection\Memory\getMultiple(), PhpOffice\PhpSpreadsheet\Chart\DataSeries\getPlotCategoryByIndex(), PhpOffice\PhpSpreadsheet\Chart\DataSeries\getPlotLabelByIndex(), PhpOffice\PhpSpreadsheet\Chart\DataSeries\getPlotValuesByIndex(), assKprimChoiceGUI\getPreview(), assMultipleChoiceGUI\getPreview(), assSingleChoiceGUI\getPreview(), getServerKeys(), assKprimChoiceGUI\getSolutionOutput(), assMultipleChoiceGUI\getSolutionOutput(), assSingleChoiceGUI\getSolutionOutput(), PhpOffice\PhpSpreadsheet\Shared\OLE\getStream(), assMultipleChoiceGUI\getTestOutput(), assKprimChoiceGUI\getTestOutput(), assSingleChoiceGUI\getTestOutput(), League\Flysystem\Plugin\GetWithMetadata\handle(), League\Flysystem\Plugin\ListWith\handle(), ilObjUserGUI\initCreate(), ilObjectGUI\initDidacticTemplate(), SimpleSAML\Store\SQL\insertOrUpdate(), getid3_write_id3v2\is_hash(), League\Flysystem\MountManager\listWith(), SAML2\Certificate\KeyLoader\loadKeysFromConfiguration(), SimpleSAML\Utils\Crypto\loadPublicKey(), ilPersonalDesktopGUI\multiarray_sort(), HTMLPurifier_VarParser\parse(), HTMLPurifier_VarParser_Flexible\parseImplementation(), ilObjTest\pcArrayShuffle(), ilTestSequence\pcArrayShuffle(), assQuestion\pcArrayShuffle(), sspmod_saml_Message\processAssertion(), Twig_Tests_Extension_CoreTest\provideArrayKeyCases(), Twig_Tests_Extension_CoreTest\provideInFilterCases(), Twig_Tests_Extension_CoreTest\provideSliceFilterCases(), ilTimelineGUI\render(), ilMultipleNestedOrderingElementsInputGUI\renderMainList(), ilObjLanguageExtGUI\saveObject(), HTMLPurifier_HTMLDefinition\setupConfigStuff(), ilBadgeAssignment\store(), Sabre\DAVACL\PrincipalTest\testGetProperties(), Sabre\CalDAV\PluginTest\testMkCalendarEmptyBodySucceed(), Sabre\CalDAV\PluginTest\testMkCalendarSucceed(), ilMDClassification\toXML(), SAML2\Assertion\Transformer\DecodeBase64Transformer\transform(), ilExAssignmentMemberStatus\update(), and ilObjLanguageExtGUI\viewObject().

$skipped

$skipped = 0

Definition at line 61 of file memcacheSync.php.

$stats

$stats = SimpleSAML_Memcache::getRawStats()

Definition at line 36 of file memcacheSync.php.

$sync

$sync = 0

Definition at line 62 of file memcacheSync.php.

Referenced by getid3_dts\Analyze(), ilECSMappingSettingsGUI\dSynchronizeTree(), ilSetupGUI\fillBackgroundTasksForm(), ilSamlSettingsGUI\getIdpSettingsForm(), ilAuthContainerCAS\handleLDAPDataSource(), ilAuthProviderCAS\handleLDAPDataSource(), ilAuthProviderApache\handleLDAPDataSource(), ilAuthProviderOpenIdConnect\handleUpdate(), ilECSCmsTreeCommandQueueHandler\handleUpdate(), ilInitialisation\initBackgroundTasks(), ilObjCalendarSettingsGUI\initFormSettings(), ilCASSettingsGUI\initFormSettings(), ilOpenIdConnectSettingsGUI\initSettingsForm(), ilSamlIdp\setSynchronizationStatus(), ilRadiusSettingsGUI\settings(), and ilAuthProviderLDAP\updateAccount().

$warnBigSlab

$warnBigSlab = 0

Definition at line 33 of file memcacheSync.php.

$warnServerDown

$warnServerDown = 0

Definition at line 32 of file memcacheSync.php.

foreach

foreach($keys as $key)

(

$stats as

)

Definition at line 39 of file memcacheSync.php.