unreal4u\MQTT\Protocol\Disconnect

Complexity

Total Complexity

4

Size/Duplication

Total Lines	29
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes	1
Bugs	0	Features	0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	shouldExpectAnswer()	0	3	1
A	expectAnswer()	0	3	1
A	createPayload()	0	3	1
A	createVariableHeader()	0	3	1

<?php

declare(strict_types=1);

namespace unreal4u\MQTT\Protocol;

use unreal4u\MQTT\Internals\ClientInterface;
use unreal4u\MQTT\Internals\ProtocolBase;
use unreal4u\MQTT\Internals\DisconnectCleanup;
use unreal4u\MQTT\Internals\ReadableContentInterface;
use unreal4u\MQTT\Internals\WritableContent;
use unreal4u\MQTT\Internals\WritableContentInterface;

/**
 * The DISCONNECT Packet is the final Control Packet sent from the Client to the Server.
 *
 * It indicates that the Client is disconnecting cleanly.
 */
final class Disconnect extends ProtocolBase implements WritableContentInterface
{
    use /** @noinspection TraitsPropertiesConflictsInspection */
        WritableContent;

    private const CONTROL_PACKET_VALUE = 14;

    public function createVariableHeader(): string
    {
        return '';
    }

    public function createPayload(): string
    {
        return '';
    }

    public function expectAnswer(string $brokerBitStream, ClientInterface $client): ReadableContentInterface
    {
        return new DisconnectCleanup($this->logger);
    }

    /**
     * A disconnect should never expect an answer back
     * @return bool
     */
    public function shouldExpectAnswer(): bool
    {
        return false;
    }
}