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PATH: home / shotlining / public_html / wp-content / plugins / w3-total-cache / vendor / aws / aws-sdk-php / src

<?php
namespace Aws;

use Aws\Exception\AwsException;
use GuzzleHttp\Promise\Coroutine;
use GuzzleHttp\Promise\PromiseInterface;
use GuzzleHttp\Promise\PromisorInterface;
use GuzzleHttp\Promise\RejectedPromise;

/**
 * "Waiters" are associated with an AWS resource (e.g., EC2 instance), and poll
 * that resource and until it is in a particular state.

* The Waiter object produces a promise that is either a.) resolved once the
 * waiting conditions are met, or b.) rejected if the waiting conditions cannot
 * be met or has exceeded the number of allowed attempts at meeting the
 * conditions. You can use waiters in a blocking or non-blocking way, depending
 * on whether you call wait() on the promise.

* The configuration for the waiter must include information about the operation
 * and the conditions for wait completion.
 */
class Waiter implements PromisorInterface
{
    /** @var AwsClientInterface Client used to execute each attempt. */
    private $client;

/** @var string Name of the waiter. */
    private $name;

/** @var array Params to use with each attempt operation. */
    private $args;

/** @var array Waiter configuration. */
    private $config;

/** @var array Default configuration options. */
    private static $defaults = ['initDelay' => 0, 'before' => null];

/** @var array Required configuration options. */
    private static $required = [
        'acceptors',
        'delay',
        'maxAttempts',
        'operation',
    ];

/**
     * The array of configuration options include:
     *
     * - acceptors: (array) Array of acceptor options
     * - delay: (int) Number of seconds to delay between attempts
     * - maxAttempts: (int) Maximum number of attempts before failing
     * - operation: (string) Name of the API operation to use for polling
     * - before: (callable) Invoked before attempts. Accepts command and tries.
     *
     * @param AwsClientInterface $client Client used to execute commands.
     * @param string             $name   Waiter name.
     * @param array              $args   Command arguments.
     * @param array              $config Waiter config that overrides defaults.
     *
     * @throws \InvalidArgumentException if the configuration is incomplete.
     */
    public function __construct(
        AwsClientInterface $client,
        $name,
        array $args = [],
        array $config = []
    ) {
        $this->client = $client;
        $this->name = $name;
        $this->args = $args;

// Prepare and validate config.
        $this->config = $config + self::$defaults;
        foreach (self::$required as $key) {
            if (!isset($this->config[$key])) {
                throw new \InvalidArgumentException(
                    'The provided waiter configuration was incomplete.'
                );
            }
        }
        if ($this->config['before'] && !is_callable($this->config['before'])) {
            throw new \InvalidArgumentException(
                'The provided "before" callback is not callable.'
            );
        }
        MetricsBuilder::appendMetricsCaptureMiddleware(
            $this->client->getHandlerList(),
            MetricsBuilder::WAITER
        );
    }

/**
     * @return Coroutine
     */
    public function promise(): PromiseInterface
    {
        return Coroutine::of(function () {
            $name = $this->config['operation'];
            for ($state = 'retry', $attempt = 1; $state === 'retry'; $attempt++) {
                // Execute the operation.
                $args = $this->getArgsForAttempt($attempt);
                $command = $this->client->getCommand($name, $args);
                try {
                    if ($this->config['before']) {
                        $this->config['before']($command, $attempt);
                    }
                    $result = (yield $this->client->executeAsync($command));
                } catch (AwsException $e) {
                    $result = $e;
                }

// Determine the waiter's state and what to do next.
                $state = $this->determineState($result);
                if ($state === 'success') {
                    yield $command;
                } elseif ($state === 'failed') {
                    $msg = "The {$this->name} waiter entered a failure state.";
                    if ($result instanceof \Exception) {
                        $msg .= ' Reason: ' . $result->getMessage();
                    }
                    yield new RejectedPromise(new \RuntimeException($msg));
                } elseif ($state === 'retry'
                    && $attempt >= $this->config['maxAttempts']
                ) {
                    $state = 'failed';
                    yield new RejectedPromise(new \RuntimeException(
                        "The {$this->name} waiter failed after attempt #{$attempt}."
                    ));
                }
            }
        });
    }

/**
     * Gets the operation arguments for the attempt, including the delay.
     *
     * @param $attempt Number of the current attempt.
     *
     * @return mixed integer
     */
    private function getArgsForAttempt($attempt)
    {
        $args = $this->args;

// Determine the delay.
        $delay = ($attempt === 1)
            ? $this->config['initDelay']
            : $this->config['delay'];
        if (is_callable($delay)) {
            $delay = $delay($attempt);
        }

// Set the delay. (Note: handlers except delay in milliseconds.)
        if (!isset($args['@http'])) {
            $args['@http'] = [];
        }
        $args['@http']['delay'] = $delay * 1000;

return $args;
    }

/**
     * Determines the state of the waiter attempt, based on the result of
     * polling the resource. A waiter can have the state of "success", "failed",
     * or "retry".
     *
     * @param mixed $result
     *
     * @return string Will be "success", "failed", or "retry"
     */
    private function determineState($result)
    {
        foreach ($this->config['acceptors'] as $acceptor) {
            $matcher = 'matches' . ucfirst($acceptor['matcher']);
            if ($this->{$matcher}($result, $acceptor)) {
                return $acceptor['state'];
            }
        }

return $result instanceof \Exception ? 'failed' : 'retry';
    }

/**
     * @param Result $result   Result or exception.
     * @param array  $acceptor Acceptor configuration being checked.
     *
     * @return bool
     */
    private function matchesPath($result, array $acceptor)
    {
        return !($result instanceof ResultInterface)
            ? false
            : $acceptor['expected'] == $result->search($acceptor['argument']);
    }

/**
     * @param Result $result   Result or exception.
     * @param array  $acceptor Acceptor configuration being checked.
     *
     * @return bool
     */
    private function matchesPathAll($result, array $acceptor)
    {
        if (!($result instanceof ResultInterface)) {
            return false;
        }

$actuals = $result->search($acceptor['argument']) ?: [];
        foreach ($actuals as $actual) {
            if ($actual != $acceptor['expected']) {
                return false;
            }
        }

return true;
    }

/**
     * @param Result $result   Result or exception.
     * @param array  $acceptor Acceptor configuration being checked.
     *
     * @return bool
     */
    private function matchesPathAny($result, array $acceptor)
    {
        if (!($result instanceof ResultInterface)) {
            return false;
        }

$actuals = $result->search($acceptor['argument']) ?: [];
        return in_array($acceptor['expected'], $actuals);
    }

/**
     * @param Result $result   Result or exception.
     * @param array  $acceptor Acceptor configuration being checked.
     *
     * @return bool
     */
    private function matchesStatus($result, array $acceptor)
    {
        if ($result instanceof ResultInterface) {
            return $acceptor['expected'] == $result['@metadata']['statusCode'];
        }

if ($result instanceof AwsException && $response = $result->getResponse()) {
            return $acceptor['expected'] == $response->getStatusCode();
        }

return false;
    }

/**
     * @param Result $result   Result or exception.
     * @param array  $acceptor Acceptor configuration being checked.
     *
     * @return bool
     */
    private function matchesError($result, array $acceptor)
    {
        // If expected is true then the $result should be an instance of
        // AwsException, otherwise it should not.
        if (isset($acceptor['expected']) && is_bool($acceptor['expected'])) {
            return $acceptor['expected'] === ($result instanceof AwsException);
        }

if ($result instanceof AwsException) {
            return $result->isConnectionError()
                || $result->getAwsErrorCode() == $acceptor['expected'];
        }

return false;
    }
}

[+] ..
[+] Pinpoint
[+] Chime
[+] WellArchitected
[+] Health
[-] IdempotencyTokenMiddleware.php [edit]
[+] Handler
[+] Ssm
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[+] BedrockAgentRuntime
[+] EventBridge
[+] SageMakerGeospatial
[+] DefaultsMode
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[-] Result.php [edit]
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[-] ClientResolver.php [edit]
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[+] EndpointV2
[+] ForecastService
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[+] IoTThingsGraph
[+] TaxSettings
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[+] Lightsail
[+] RAM
[+] CodeCommit
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[+] TimestreamWrite
[+] Schemas
[+] Pipes
[-] AwsClient.php [edit]
[+] CloudControlApi
[-] AbstractConfigurationProvider.php [edit]
[+] DatabaseMigrationService
[-] InputValidationMiddleware.php [edit]
[-] MockHandler.php [edit]
[+] ApplicationAutoScaling
[+] EMRContainers
[+] ComprehendMedical
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[+] FMS
[-] TraceMiddleware.php [edit]
[+] NotificationsContacts
[+] Appstream
[+] BackupGateway
[-] AwsClientInterface.php [edit]
[+] MedicalImaging
[-] HasDataTrait.php [edit]
[+] Proton
[+] Notifications
[+] ServiceQuotas
[+] MarketplaceEntitlementService
[-] ResultPaginator.php [edit]
[-] QueryCompatibleInputMiddleware.php [edit]
[+] MainframeModernization
[+] OpsWorksCM
[+] CodeBuild
[+] imagebuilder
[+] ElasticTranscoder
[+] Budgets
[+] IoTSecureTunneling
[+] Route53RecoveryCluster
[+] AppMesh
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[+] Multipart
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[+] CloudFrontKeyValueStore
[+] Inspector2
[+] XRay
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[+] WorkMailMessageFlow
[+] AmplifyUIBuilder
[+] ApiGatewayV2
[+] PaymentCryptography
[+] EBS
[+] Billing
[+] Endpoint
[-] Waiter.php [edit]
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[+] Macie2
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[+] Credentials
[+] ResourceExplorer2
[+] PartnerCentralSelling
[+] MigrationHub
[+] MarketplaceCommerceAnalytics
[+] MTurk
[-] RetryMiddleware.php [edit]
[+] IoTEventsData
[+] KinesisVideoWebRTCStorage
[+] MediaStore
[+] Amplify
[+] BillingConductor
[+] Kms
[+] CognitoSync
[+] Efs
[+] WorkSpacesThinClient
[+] DAX
[+] CloudWatchLogs
[+] ChimeSDKMessaging
[+] Rekognition
[+] EKSAuth
[+] ChimeSDKIdentity
[+] RolesAnywhere
[+] CodeConnections
[+] CostOptimizationHub
[+] ForecastQueryService
[+] GeoMaps
[+] CodeStarNotifications
[+] ApplicationCostProfiler
[+] LicenseManagerUserSubscriptions
[+] StorageGateway
[-] functions.php [edit]
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[+] Iam
[+] Glacier
[+] CodeGuruSecurity
[+] BCMDataExports
[+] AppRunner
[+] Batch
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[+] SSO
[+] PersonalizeEvents
[+] EC2InstanceConnect
[+] DataZone
[+] MediaStoreData
[+] IoTEvents
[+] PCS
[-] EndpointParameterMiddleware.php [edit]
[-] HasMonitoringEventsTrait.php [edit]
[+] SavingsPlans
[+] SSMContacts
[-] Middleware.php [edit]
[+] Rds
[+] AppTest
[+] Sqs
[+] IotDataPlane
[+] ControlTower
[+] CloudHsm
[+] CodeCatalyst
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[+] VPCLattice
[+] Lambda
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[+] SSMIncidents
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[+] DataExchange
[+] PI
[+] CodeDeploy
[+] ACMPCA
[-] CacheInterface.php [edit]
[+] Synthetics
[-] StreamRequestPayloadMiddleware.php [edit]
[+] ConnectParticipant
[+] OpsWorks
[+] DocDBElastic
[+] ElasticLoadBalancing
[+] KinesisAnalytics
[+] CloudSearch
[-] MetricsBuilder.php [edit]
[+] CloudTrail
[+] ElasticBeanstalk
[+] IoTAnalytics
[+] MarketplaceAgreement
[-] CommandInterface.php [edit]
[-] PresignUrlMiddleware.php [edit]
[+] Transfer
[+] EndpointDiscovery
[+] Backup
[+] ConfigService
[+] ManagedBlockchain
[+] Firehose
[+] SSMQuickSetup
[+] Arn
[+] PersonalizeRuntime
[+] GuardDuty
[-] Psr16CacheAdapter.php [edit]
[+] Textract
[+] KafkaConnect
[+] SimSpaceWeaver
[+] Detective
[+] GreengrassV2
[+] SsmSap
[+] Account
[+] ElasticsearchService
[+] KinesisVideo
[+] QApps
[+] AutoScalingPlans
[+] MediaPackage
[+] AuditManager
[+] TimestreamInfluxDB
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[+] Redshift
[+] IoTSiteWise
[+] B2bi
[+] SupportApp
[+] ComputeOptimizer
[+] ResilienceHub
[+] Crypto
[+] ApiGateway
[+] CloudHSMV2
[+] MemoryDB
[+] ManagedGrafana
[-] JsonCompiler.php [edit]
[+] ManagedBlockchainQuery
[+] ObservabilityAdmin
[+] AppRegistry
[+] LexModelsV2
[-] AwsClientTrait.php [edit]
[+] LicenseManagerLinuxSubscriptions
[+] GroundStation
[+] MigrationHubRefactorSpaces
[+] NetworkManager
[+] Route53Profiles
[+] IVSRealTime
[+] Invoicing
[+] Support
[+] CodeGuruProfiler
[+] MachineLearning
[+] S3Tables
[+] ChimeSDKMeetings
[+] TrustedAdvisor
[+] AccessAnalyzer
[+] ServiceCatalog
[+] Ec2
[+] IoTFleetHub
[+] WorkSpacesWeb
[+] LocationService
[+] Deadline
[+] Neptune
[+] DynamoDb
[-] ResultInterface.php [edit]
[+] Appflow
[+] SnowBall
[+] EntityResolution
[+] WorkSpaces
[+] TranscribeService
[+] MQ
[+] Inspector
[-] History.php [edit]
[+] ConnectContactLens
[+] IoTJobsDataPlane
[+] KinesisVideoArchivedMedia
[+] DLM
[+] ApplicationInsights
[+] ElastiCache
[+] Configuration
[+] VoiceID
[+] SecurityLake
[+] LookoutEquipment
[-] ConfigurationProviderInterface.php [edit]
[+] Artifact
[+] ClientSideMonitoring
[+] QConnect
[+] MarketplaceMetering
[+] PaymentCryptographyData
[+] Neptunedata
[+] AppConfig
[+] ServiceDiscovery
[+] mgn
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[+] CustomerProfiles
[+] Auth
[+] BedrockAgent
[+] RoboMaker
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[+] SSOAdmin
[+] DataPipeline
[+] DevOpsGuru
[+] Repostspace
[+] Glue
[+] SageMakerMetrics
[+] LexModelBuildingService
[+] Pricing
[+] S3Outposts
[+] ChimeSDKMediaPipelines
[-] HandlerList.php [edit]
[+] ApplicationDiscoveryService
[+] RDSDataService
[+] SagemakerEdgeManager
[+] AppFabric
[+] QLDBSession
[-] Sdk.php [edit]
[+] AugmentedAIRuntime
[+] CloudSearchDomain
[+] CostandUsageReportService
[+] Personalize
[+] Api
[+] Braket
[+] DirectoryService
[+] DynamoDbStreams
[+] SesV2
[+] Retry
[+] Sms
[+] Tnb
[+] Token
[+] QBusiness
[-] HashingStream.php [edit]
[-] PhpHash.php [edit]
[+] Kinesis
[+] Script
[-] PsrCacheAdapter.php [edit]
[-] ResponseContainerInterface.php [edit]
[+] CloudWatchEvents
[+] SSOOIDC
[-] WrappedHttpHandler.php [edit]
[+] ARCZonalShift
[+] Keyspaces
[-] HashInterface.php [edit]
[-] UserAgentMiddleware.php [edit]
[+] CodeGuruReviewer
[+] Organizations
[+] OpenSearchServerless
[+] KinesisAnalyticsV2
[+] OSIS
[+] TimestreamQuery
[+] NetworkFirewall
[+] MarketplaceCatalog
[+] ElasticLoadBalancingV2
[+] PrometheusService
[+] CodeArtifact
[+] Outposts
[+] IdentityStore
[+] Cloud9
[+] FinSpaceData
[+] PinpointEmail
[+] SageMaker
[+] S3Control
[+] Chatbot
[+] OpenSearchService
[+] InternetMonitor
[+] GlobalAccelerator
[-] Command.php [edit]
[+] PcaConnectorScep
[+] Acm
[+] LookoutMetrics
[+] Scheduler
[+] ElasticInference
[+] QLDB
[+] CloudTrailData
[+] kendra
[+] data
[+] SecurityIR
[+] GeoPlaces
[+] BedrockRuntime
[+] MailManager
[-] DoctrineCacheAdapter.php [edit]
[+] MediaPackageVod
[+] RecycleBin
[+] CognitoIdentityProvider
[+] CleanRooms
[+] MigrationHubConfig
[+] CloudWatchEvidently
[+] DocDB
[+] ECRPublic
[+] Signature
[+] GameLift
[+] Connect
[+] IoTWireless
[+] Kafka
[+] CloudWatch
[+] ControlCatalog
[+] CloudDirectory
[+] SocialMessaging
[+] DirectConnect
[+] MigrationHubOrchestrator
[+] HealthLake
[+] AppIntegrationsService
[+] DirectoryServiceData