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.

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

{
    $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;
}

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 HTMLPurifier_ChildDef_Required\__construct(), ilAccessKeyTableGUI\__construct(), PHPExcel_Chart_DataSeries\__construct(), CoreTestIterator\__construct(), PHPExcel_Calculation_Database\__fieldExtract(), GuzzleHttp\Psr7\_caseless_remove(), ilObjLanguageExt\_deleteValues(), ilObjLanguageExt\_saveValues(), pdoDB\addPrimaryKey(), getid3_write_id3v2\array_join_merge(), MDB2_Extended\autoExecute(), ilDBPdo\autoExecute(), IMSGlobal\LTI\OAuth\OAuthUtil\build_http_query(), OAuthUtil\build_http_query(), soap_parser\buildVal(), ilAssLacOrderingResultExpression\checkResult(), sspmod_saml_Message\checkSign(), sspmod_saml_Message\decryptAssertion(), sspmod_saml_IdP_SAML2\encryptAssertion(), ilObjTestGUI\fetchAuthoringQuestionIdParameter(), HTMLPurifier_Language\formatMessage(), PHPExcel_Calculation_MathTrig\GCD(), PHPExcel_Properties\getArrayElementsValue(), assClozeGap\getBestSolutionIndexes(), sspmod_saml_Message\getDecryptionKeys(), sspmod_saml_Message\getEncryptionKey(), ilHttpRequestsLanguageDetector\getIso2LanguageCode(), ilAccessKey\getKeys(), PHPExcel_Chart_DataSeries\getPlotCategoryByIndex(), PHPExcel_Chart_DataSeries\getPlotLabelByIndex(), PHPExcel_Chart_DataSeries\getPlotValuesByIndex(), assSingleChoiceGUI\getPreview(), assMultipleChoiceGUI\getPreview(), assKprimChoiceGUI\getPreview(), getServerKeys(), assSingleChoiceGUI\getSolutionOutput(), assMultipleChoiceGUI\getSolutionOutput(), assKprimChoiceGUI\getSolutionOutput(), assKprimChoiceGUI\getTestOutput(), assSingleChoiceGUI\getTestOutput(), assMultipleChoiceGUI\getTestOutput(), League\Flysystem\Plugin\ListWith\handle(), League\Flysystem\Plugin\GetWithMetadata\handle(), ilObjUserGUI\initCreate(), ilObjectGUI\initDidacticTemplate(), 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(), ilTestSequence\pcArrayShuffle(), assQuestion\pcArrayShuffle(), ilObjTest\pcArrayShuffle(), sspmod_saml_Message\processAssertion(), Twig_Tests_Extension_CoreTest\provideArrayKeyCases(), Twig_Tests_Extension_CoreTest\provideInFilterCases(), Twig_Tests_Extension_CoreTest\provideSliceFilterCases(), ilTimelineGUI\render(), ilMultipleNestedOrderingElementsInputGUI\renderMainList(), MDB2_Driver_mysql\replace(), MDB2_Driver_mysqli\replace(), ilObjLanguageExtGUI\saveObject(), HTMLPurifier_HTMLDefinition\setupConfigStuff(), MDB2\singleton(), ilBadgeAssignment\store(), 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.

Referenced by SimpleSAML\Logger\defer(), ilOrgUnitSimpleUserImportGUI\displayImportResults(), ilOrgUnitSimpleImportGUI\displayImportResults(), ilLMQuestionListTableGUI\fillRow(), ilMemcache\getActive(), ilMemcache\getInstallationFailureReason(), SimpleSAML_Memcache\getRawStats(), GuzzleHttp\Psr7\Stream\getSize(), ILIAS\Filesystem\Stream\Stream\getSize(), Slim\Http\Stream\getSize(), SimpleSAML_Memcache\getStats(), ilMemcacheServer\isReachable(), ilWorkflowDefinitionRepository\lazyLoadWorkflowDefinitions(), PHPExcel_Calculation_Statistical\LINEST(), and PHPExcel_Calculation_Statistical\LOGEST().

$sync

$sync = 0

Definition at line 62 of file memcacheSync.php.

Referenced by getid3_dts\Analyze(), ilECSMappingSettingsGUI\dSynchronizeTree(), ilSetupGUI\fillBackgroundTasksForm(), ilSamlSettingsGUI\getIdpSettingsForm(), ilAuthProviderCAS\handleLDAPDataSource(), ilAuthContainerCAS\handleLDAPDataSource(), ilAuthProviderApache\handleLDAPDataSource(), ilAuthContainerApache\handleLDAPDataSource(), ilECSCmsTreeCommandQueueHandler\handleUpdate(), ilInitialisation\initBackgroundTasks(), ilCASSettingsGUI\initFormSettings(), ilObjCalendarSettingsGUI\initFormSettings(), 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)

Definition at line 39 of file memcacheSync.php.