Publish::createPayload() - Code Metrics - Inspection of "Big reform: make a Packet Identifier VO instead of..." - unreal4u/mqtt - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( accf18...c40548 )

by Camilo

created 2018-02-26 23:19 UTC

Publish::createPayload() A

↳ Parent: Publish

Complexity

Conditions	2
Paths	2

Size

Total Lines	7
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	6

Importance

Changes

Metric	Value
dl	0
loc	7
ccs	0
cts	4
cp	0
rs	9.4285
c	0
b	0
f	0
cc	2
eloc	3
nc	2
nop	0
crap	6

<?php

declare(strict_types=1);

namespace unreal4u\MQTT\Protocol;

use unreal4u\MQTT\Application\EmptyReadableResponse;
use unreal4u\MQTT\Application\Message;
use unreal4u\MQTT\Application\Topic;
use unreal4u\MQTT\DataTypes\PacketIdentifier as PacketIdentifierDataType;
use unreal4u\MQTT\DataTypes\QoSLevel;
use unreal4u\MQTT\Internals\ClientInterface;
use unreal4u\MQTT\Internals\PacketIdentifier;
use unreal4u\MQTT\Internals\ProtocolBase;
use unreal4u\MQTT\Internals\ReadableContent;
use unreal4u\MQTT\Internals\ReadableContentInterface;
use unreal4u\MQTT\Internals\WritableContent;
use unreal4u\MQTT\Internals\WritableContentInterface;
use unreal4u\MQTT\Utilities;

/**
 * A PUBLISH Control Packet is sent from a Client to a Server or vice-versa to transport an Application Message.
 *
 * @see http://docs.oasis-open.org/mqtt/mqtt/v3.1.1/os/mqtt-v3.1.1-os.html#_Toc398718037
 */
final class Publish extends ProtocolBase implements ReadableContentInterface, WritableContentInterface
{
    use ReadableContent, WritableContent, PacketIdentifier;

    const CONTROL_PACKET_VALUE = 3;

    /**
     * Contains the message to be sent
     * @var Message
     */
    private $message;

    /**
     * Flag to check whether a message is a redelivery (DUP flag)
     * @see http://docs.oasis-open.org/mqtt/mqtt/v3.1.1/os/mqtt-v3.1.1-os.html#_Toc398718038
     * @var bool
     */
    public $isRedelivery = false;

    /**
     * @return string
     * @throws \unreal4u\MQTT\Exceptions\InvalidQoSLevel
     * @throws \unreal4u\MQTT\Exceptions\MissingTopicName
     * @throws \OutOfRangeException
     * @throws \InvalidArgumentException
     */
    public function createVariableHeader(): string
    {
        if ($this->message === null) {
            throw new \InvalidArgumentException('You must at least provide a message object with a topic name');
        }

        $bitString = $this->createUTF8String($this->message->getTopicName());
        // Reset the special flags should the object be reused with another message
        $this->specialFlags = 0;

        if ($this->isRedelivery) {
            $this->logger->debug('Activating redelivery bit');
            // DUP flag: if the message is a re-delivery, mark it as such
            $this->specialFlags |= 8;
        }

        // Check QoS level and perform the corresponding actions
        if ($this->message->getQoSLevel() !== 0) {
            // 0 for QoS lvl2 for QoS lvl1 and 4 for QoS lvl2
            $this->specialFlags |= ($this->message->getQoSLevel() * 2);
            $bitString .= $this->getPacketIdentifierBinaryRepresentation();
            $this->logger->debug(sprintf('Activating QoS level %d bit', $this->message->getQoSLevel()), [
                'specialFlags' => $this->specialFlags,
            ]);
        }

        if ($this->message->isRetained()) {
            // RETAIN flag: should the server retain the message?
            $this->specialFlags |= 1;
            $this->logger->debug('Activating retain flag', ['specialFlags' => $this->specialFlags]);
        }

        $this->logger->info('Variable header created', ['specialFlags' => $this->specialFlags]);

        return $bitString;
    }

    public function createPayload(): string
    {
        if (!$this->message->validateMessage()) {
            throw new \InvalidArgumentException('Invalid message');
        }

        return $this->message->getPayload();
    }

    /**
     * QoS level 0 does not have to wait for a answer, so return false. Any other QoS level returns true
     * @return bool
     * @throws \unreal4u\MQTT\Exceptions\InvalidQoSLevel
     */
    public function shouldExpectAnswer(): bool
    {
        $shouldExpectAnswer = !($this->message->getQoSLevel() === 0);
        $this->logger->debug('Checking whether we should expect an answer or not', [
            'shouldExpectAnswer' => $shouldExpectAnswer,
        ]);
        return $shouldExpectAnswer;
    }

    public function expectAnswer(string $data, ClientInterface $client): ReadableContentInterface
    {
        switch ($this->message->getQoSLevel()) {
            case 1:
                $pubAck = new PubAck($this->logger);
                $pubAck->instantiateObject($data, $client);
                return $pubAck;
            case 2:
                $pubRec = new PubRec($this->logger);
                $pubRec->instantiateObject($data, $client);
                return $pubRec;
            case 0:
            default:
                return new EmptyReadableResponse($this->logger);
        }
    }

    /**
     * Sets the to be sent message
     *
     * @param Message $message
     * @return WritableContentInterface
     */
    public function setMessage(Message $message): WritableContentInterface
    {
        $this->message = $message;
        return $this;
    }

    /**
     * Gets the set message
     *
     * @return Message
     */
    public function getMessage(): Message
    {
        return $this->message;
    }

    /**
     * Sets several bits and pieces from the first byte of the fixed header for the Publish packet
     *
     * @param int $firstByte
     * @return Publish
     * @throws \unreal4u\MQTT\Exceptions\InvalidQoSLevel
     */
    private function analyzeFirstByte(int $firstByte): Publish
    {
        $this->logger->debug('Analyzing first byte', [sprintf('%08d', decbin($firstByte))]);
        // Retained bit is bit 0 of first byte
        $this->message->setRetainFlag(false);
        if ($firstByte & 1) {
            $this->logger->debug('Setting retain flag to true');
            $this->message->setRetainFlag(true);
        }
        // QoS level are the last bits 2 & 1 of the first byte
        $this->message->setQoSLevel($this->determineIncomingQoSLevel($firstByte));

        // Duplicate message must be checked only on QoS > 0, else set it to false
        $this->isRedelivery = false;
        if ($firstByte & 8 && $this->message->getQoSLevel() !== 0) {
            // Is a duplicate is always bit 3 of first byte
            $this->isRedelivery = true;
            $this->logger->debug('Setting redelivery bit');
        }

        return $this;
    }

    /**
     * Finds out the QoS level in a fixed header for the Publish object
     *
     * @param int $bitString
     * @return QoSLevel
     * @throws \unreal4u\MQTT\Exceptions\InvalidQoSLevel
     */
    private function determineIncomingQoSLevel(int $bitString): QoSLevel
    {
        // Strange operation, why? Because 4 == QoS lvl2; 2 == QoS lvl1, 0 == QoS lvl0
        $incomingQoSLevel = ($bitString & 4) / 2;
        $this->logger->debug('Setting QoS level', ['incomingQoSLevel' => $incomingQoSLevel]);
        return new QoSLevel($incomingQoSLevel);
    }

    /**
     * Will perform sanity checks and fill in the Readable object with data
     * @param string $rawMQTTHeaders
     * @param ClientInterface $client
     * @return ReadableContentInterface
     * @throws \OutOfBoundsException
     * @throws \unreal4u\MQTT\Exceptions\InvalidQoSLevel
     * @throws \InvalidArgumentException
     * @throws \OutOfRangeException
     */
    public function fillObject(string $rawMQTTHeaders, ClientInterface $client): ReadableContentInterface
    {
        if (\strlen($rawMQTTHeaders) === 1) {
            $this->logger->debug('Fast check, read rest of data from socket');
            $restOfBytes = $client->readBrokerData(1);
            $payload = $client->readBrokerData(\ord($restOfBytes));
        } else {
            $this->logger->debug('Slow form, retransform data and read rest of data');
            $restOfBytes = $rawMQTTHeaders{1};
            $payload = substr($rawMQTTHeaders, 2);
            $exactRest = \ord($restOfBytes) - \strlen($payload);
            $payload .= $client->readBrokerData($exactRest);
            $rawMQTTHeaders = $rawMQTTHeaders{0};
        }

        // At this point, $rawMQTTHeaders will be always 1 byte long
        $this->message = new Message();
        $this->analyzeFirstByte(\ord($rawMQTTHeaders));
        // $rawMQTTHeaders may be redefined
        $rawMQTTHeaders = $rawMQTTHeaders . $restOfBytes . $payload;
        #$this->logger->debug('complete headers', ['header' => str2bin($rawMQTTHeaders)]);

        // Topic size is always the 3rd byte
        $topicSize = \ord($rawMQTTHeaders{3});

        $messageStartPosition = 4;
        if ($this->message->getQoSLevel() > 0) {
            $this->logger->debug('QoS level above 0, shifting message start position and getting packet identifier');
            // [2 (fixed header) + 2 (topic size) + $topicSize] marks the beginning of the 2 packet identifier bytes
            $this->setPacketIdentifier(new PacketIdentifierDataType(Utilities::convertBinaryStringToNumber(
                $rawMQTTHeaders{4 + $topicSize} . $rawMQTTHeaders{5 + $topicSize}
            )));
            $this->logger->debug('Determined packet identifier', [
                'PI' => $this->packetIdentifier,
                'firstBit' => \ord($rawMQTTHeaders{4 + $topicSize}),
                'secondBit' => \ord($rawMQTTHeaders{5 + $topicSize})
            ]);
            $messageStartPosition += 2;
        }

        $this->logger->debug('Determined headers', [
            'topicSize' => $topicSize,
            'QoSLevel' => $this->message->getQoSLevel(),
            'isDuplicate' => $this->isRedelivery,
            'isRetained' => $this->message->isRetained(),
            'packetIdentifier' => $this->packetIdentifier->getPacketIdentifierValue(),
        ]);

        $this->message->setPayload(substr($rawMQTTHeaders, $messageStartPosition + $topicSize));
        // Save to assume a constant here: first 2 bytes will always be fixed header, next 2 bytes are topic size
        $this->message->setTopic(new Topic(substr($rawMQTTHeaders, 4, $topicSize)));
        #$this->logger->debug('Found a topic name', ['name' => $this->message->getTopicName()]);

        return $this;
    }

    /**
     * @inheritdoc
     * @throws \unreal4u\MQTT\Exceptions\InvalidQoSLevel
     * @throws \unreal4u\MQTT\Exceptions\ServerClosedConnection
     * @throws \unreal4u\MQTT\Exceptions\NotConnected
     * @throws \unreal4u\MQTT\Exceptions\Connect\NoConnectionParametersDefined
     */
    public function performSpecialActions(ClientInterface $client, WritableContentInterface $originalRequest): bool
    {
        $qosLevel = $this->message->getQoSLevel();
        if ($qosLevel === 0) {
            $this->logger->debug('No response needed', ['qosLevel', $qosLevel]);
        } else {
            if ($qosLevel === 1) {
                $this->logger->debug('Responding with PubAck', ['qosLevel' => $qosLevel]);
                $client->processObject($this->composePubAckAnswer());
            } elseif ($qosLevel === 2) {
                $this->logger->debug('Responding with PubRec', ['qosLevel' => $qosLevel]);
                $client->processObject($this->composePubRecAnswer());
            }
        }

        return true;
    }

    private function composePubRecAnswer(): PubRec
    {
        $pubRec = new PubRec($this->logger);
        $pubRec->packetIdentifier = $this->packetIdentifier;

        return $pubRec;
    }

    /**
     * Composes a PubAck answer with the same packetIdentifier as what we received
     * @return PubAck
     */
    private function composePubAckAnswer(): PubAck
    {
        $pubAck = new PubAck($this->logger);
        $pubAck->packetIdentifier = $this->packetIdentifier;
        return $pubAck;
    }

    /**
     * PUBLISH packet is the exception to the rule: it is not started on base of a packet that gets sent by us
     */
    public function getOriginControlPacket(): int
    {
        return 0;
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace unreal4u\MQTT\Protocol;
6
7		use unreal4u\MQTT\Application\EmptyReadableResponse;
8		use unreal4u\MQTT\Application\Message;
9		use unreal4u\MQTT\Application\Topic;
10		use unreal4u\MQTT\DataTypes\PacketIdentifier as PacketIdentifierDataType;
11		use unreal4u\MQTT\DataTypes\QoSLevel;
12		use unreal4u\MQTT\Internals\ClientInterface;
13		use unreal4u\MQTT\Internals\PacketIdentifier;
14		use unreal4u\MQTT\Internals\ProtocolBase;
15		use unreal4u\MQTT\Internals\ReadableContent;
16		use unreal4u\MQTT\Internals\ReadableContentInterface;
17		use unreal4u\MQTT\Internals\WritableContent;
18		use unreal4u\MQTT\Internals\WritableContentInterface;
19		use unreal4u\MQTT\Utilities;
20
21		/**
22		* A PUBLISH Control Packet is sent from a Client to a Server or vice-versa to transport an Application Message.
23		*
24		* @see http://docs.oasis-open.org/mqtt/mqtt/v3.1.1/os/mqtt-v3.1.1-os.html#_Toc398718037
25		*/
26		final class Publish extends ProtocolBase implements ReadableContentInterface, WritableContentInterface
27		{
28		use ReadableContent, WritableContent, PacketIdentifier;
29
30		const CONTROL_PACKET_VALUE = 3;
31
32		/**
33		* Contains the message to be sent
34		* @var Message
35		*/
36		private $message;
37
38		/**
39		* Flag to check whether a message is a redelivery (DUP flag)
40		* @see http://docs.oasis-open.org/mqtt/mqtt/v3.1.1/os/mqtt-v3.1.1-os.html#_Toc398718038
41		* @var bool
42		*/
43		public $isRedelivery = false;
44
45		/**
46		* @return string
47		* @throws \unreal4u\MQTT\Exceptions\InvalidQoSLevel
48		* @throws \unreal4u\MQTT\Exceptions\MissingTopicName
49		* @throws \OutOfRangeException
50		* @throws \InvalidArgumentException
51		*/
52	4	public function createVariableHeader(): string
53		{
54	4	if ($this->message === null) {
55	1	throw new \InvalidArgumentException('You must at least provide a message object with a topic name');
56		}
57
58	3	$bitString = $this->createUTF8String($this->message->getTopicName());
59		// Reset the special flags should the object be reused with another message
60	3	$this->specialFlags = 0;
61
62	3	if ($this->isRedelivery) {
63		$this->logger->debug('Activating redelivery bit');
64		// DUP flag: if the message is a re-delivery, mark it as such
65		$this->specialFlags \|= 8;
66		}
67
68		// Check QoS level and perform the corresponding actions
69	3	if ($this->message->getQoSLevel() !== 0) {
70		// 0 for QoS lvl2 for QoS lvl1 and 4 for QoS lvl2
71	2	$this->specialFlags \|= ($this->message->getQoSLevel() * 2);
72	2	$bitString .= $this->getPacketIdentifierBinaryRepresentation();
73	2	$this->logger->debug(sprintf('Activating QoS level %d bit', $this->message->getQoSLevel()), [
74	2	'specialFlags' => $this->specialFlags,
75		]);
76		}
77
78	3	if ($this->message->isRetained()) {
79		// RETAIN flag: should the server retain the message?
80	1	$this->specialFlags \|= 1;
81	1	$this->logger->debug('Activating retain flag', ['specialFlags' => $this->specialFlags]);
82		}
83
84	3	$this->logger->info('Variable header created', ['specialFlags' => $this->specialFlags]);
85
86	3	return $bitString;
87		}
88
89		public function createPayload(): string
90		{
91		if (!$this->message->validateMessage()) {
92		throw new \InvalidArgumentException('Invalid message');
93		}
94
95		return $this->message->getPayload();
96		}
97
98		/**
99		* QoS level 0 does not have to wait for a answer, so return false. Any other QoS level returns true
100		* @return bool
101		* @throws \unreal4u\MQTT\Exceptions\InvalidQoSLevel
102		*/
103	2	public function shouldExpectAnswer(): bool
104		{
105	2	$shouldExpectAnswer = !($this->message->getQoSLevel() === 0);
106	2	$this->logger->debug('Checking whether we should expect an answer or not', [
107	2	'shouldExpectAnswer' => $shouldExpectAnswer,
108		]);
109	2	return $shouldExpectAnswer;
110		}
111
112	2	public function expectAnswer(string $data, ClientInterface $client): ReadableContentInterface
113		{
114	2	switch ($this->message->getQoSLevel()) {
115	2	case 1:
116	1	$pubAck = new PubAck($this->logger);
117	1	$pubAck->instantiateObject($data, $client);
118	1	return $pubAck;
119	1	case 2:
120		$pubRec = new PubRec($this->logger);
121		$pubRec->instantiateObject($data, $client);
122		return $pubRec;
123	1	case 0:
124		default:
125	1	return new EmptyReadableResponse($this->logger);
126		}
127		}
128
129		/**
130		* Sets the to be sent message
131		*
132		* @param Message $message
133		* @return WritableContentInterface
134		*/
135	6	public function setMessage(Message $message): WritableContentInterface
136		{
137	6	$this->message = $message;
138	6	return $this;
139		}
140
141		/**
142		* Gets the set message
143		*
144		* @return Message
145		*/
146		public function getMessage(): Message
147		{
148		return $this->message;
149		}
150
151		/**
152		* Sets several bits and pieces from the first byte of the fixed header for the Publish packet
153		*
154		* @param int $firstByte
155		* @return Publish
156		* @throws \unreal4u\MQTT\Exceptions\InvalidQoSLevel
157		*/
158		private function analyzeFirstByte(int $firstByte): Publish
159		{
160		$this->logger->debug('Analyzing first byte', [sprintf('%08d', decbin($firstByte))]);
161		// Retained bit is bit 0 of first byte
162		$this->message->setRetainFlag(false);
163		if ($firstByte & 1) {
164		$this->logger->debug('Setting retain flag to true');
165		$this->message->setRetainFlag(true);
166		}
167		// QoS level are the last bits 2 & 1 of the first byte
168		$this->message->setQoSLevel($this->determineIncomingQoSLevel($firstByte));
169
170		// Duplicate message must be checked only on QoS > 0, else set it to false
171		$this->isRedelivery = false;
172		if ($firstByte & 8 && $this->message->getQoSLevel() !== 0) {
173		// Is a duplicate is always bit 3 of first byte
174		$this->isRedelivery = true;
175		$this->logger->debug('Setting redelivery bit');
176		}
177
178		return $this;
179		}
180
181		/**
182		* Finds out the QoS level in a fixed header for the Publish object
183		*
184		* @param int $bitString
185		* @return QoSLevel
186		* @throws \unreal4u\MQTT\Exceptions\InvalidQoSLevel
187		*/
188		private function determineIncomingQoSLevel(int $bitString): QoSLevel
189		{
190		// Strange operation, why? Because 4 == QoS lvl2; 2 == QoS lvl1, 0 == QoS lvl0
191		$incomingQoSLevel = ($bitString & 4) / 2;
192		$this->logger->debug('Setting QoS level', ['incomingQoSLevel' => $incomingQoSLevel]);
193		return new QoSLevel($incomingQoSLevel);
194		}
195
196		/**
197		* Will perform sanity checks and fill in the Readable object with data
198		* @param string $rawMQTTHeaders
199		* @param ClientInterface $client
200		* @return ReadableContentInterface
201		* @throws \OutOfBoundsException
202		* @throws \unreal4u\MQTT\Exceptions\InvalidQoSLevel
203		* @throws \InvalidArgumentException
204		* @throws \OutOfRangeException
205		*/
206		public function fillObject(string $rawMQTTHeaders, ClientInterface $client): ReadableContentInterface
207		{
208		if (\strlen($rawMQTTHeaders) === 1) {
209		$this->logger->debug('Fast check, read rest of data from socket');
210		$restOfBytes = $client->readBrokerData(1);
211		$payload = $client->readBrokerData(\ord($restOfBytes));
212		} else {
213		$this->logger->debug('Slow form, retransform data and read rest of data');
214		$restOfBytes = $rawMQTTHeaders{1};
215		$payload = substr($rawMQTTHeaders, 2);
216		$exactRest = \ord($restOfBytes) - \strlen($payload);
217		$payload .= $client->readBrokerData($exactRest);
218		$rawMQTTHeaders = $rawMQTTHeaders{0};
219		}
220
221		// At this point, $rawMQTTHeaders will be always 1 byte long
222		$this->message = new Message();
223		$this->analyzeFirstByte(\ord($rawMQTTHeaders));
224		// $rawMQTTHeaders may be redefined
225		$rawMQTTHeaders = $rawMQTTHeaders . $restOfBytes . $payload;
226		#$this->logger->debug('complete headers', ['header' => str2bin($rawMQTTHeaders)]);
227
228		// Topic size is always the 3rd byte
229		$topicSize = \ord($rawMQTTHeaders{3});
230
231		$messageStartPosition = 4;
232		if ($this->message->getQoSLevel() > 0) {
233		$this->logger->debug('QoS level above 0, shifting message start position and getting packet identifier');
234		// [2 (fixed header) + 2 (topic size) + $topicSize] marks the beginning of the 2 packet identifier bytes
235		$this->setPacketIdentifier(new PacketIdentifierDataType(Utilities::convertBinaryStringToNumber(
236		$rawMQTTHeaders{4 + $topicSize} . $rawMQTTHeaders{5 + $topicSize}
237		)));
238		$this->logger->debug('Determined packet identifier', [
239		'PI' => $this->packetIdentifier,
240		'firstBit' => \ord($rawMQTTHeaders{4 + $topicSize}),
241		'secondBit' => \ord($rawMQTTHeaders{5 + $topicSize})
242		]);
243		$messageStartPosition += 2;
244		}
245
246		$this->logger->debug('Determined headers', [
247		'topicSize' => $topicSize,
248		'QoSLevel' => $this->message->getQoSLevel(),
249		'isDuplicate' => $this->isRedelivery,
250		'isRetained' => $this->message->isRetained(),
251		'packetIdentifier' => $this->packetIdentifier->getPacketIdentifierValue(),
252		]);
253
254		$this->message->setPayload(substr($rawMQTTHeaders, $messageStartPosition + $topicSize));
255		// Save to assume a constant here: first 2 bytes will always be fixed header, next 2 bytes are topic size
256		$this->message->setTopic(new Topic(substr($rawMQTTHeaders, 4, $topicSize)));
257		#$this->logger->debug('Found a topic name', ['name' => $this->message->getTopicName()]);
258
259		return $this;
260		}
261
262		/**
263		* @inheritdoc
264		* @throws \unreal4u\MQTT\Exceptions\InvalidQoSLevel
265		* @throws \unreal4u\MQTT\Exceptions\ServerClosedConnection
266		* @throws \unreal4u\MQTT\Exceptions\NotConnected
267		* @throws \unreal4u\MQTT\Exceptions\Connect\NoConnectionParametersDefined
268		*/
269		public function performSpecialActions(ClientInterface $client, WritableContentInterface $originalRequest): bool
270		{
271		$qosLevel = $this->message->getQoSLevel();
272		if ($qosLevel === 0) {
273		$this->logger->debug('No response needed', ['qosLevel', $qosLevel]);
274		} else {
275		if ($qosLevel === 1) {
276		$this->logger->debug('Responding with PubAck', ['qosLevel' => $qosLevel]);
277		$client->processObject($this->composePubAckAnswer());
278		} elseif ($qosLevel === 2) {
279		$this->logger->debug('Responding with PubRec', ['qosLevel' => $qosLevel]);
280		$client->processObject($this->composePubRecAnswer());
281		}
282		}
283
284		return true;
285		}
286
287		private function composePubRecAnswer(): PubRec
288		{
289		$pubRec = new PubRec($this->logger);
290		$pubRec->packetIdentifier = $this->packetIdentifier;
		0 ignored issues – show Bug introduced 2018-02-26 23:21 UTC by Report Bug Copy Issue Report The property `packetIdentifier` is declared private in `unreal4u\MQTT\Protocol\PubRec` and cannot be accessed from this context. Loading history...
291		return $pubRec;
292		}
293
294		/**
295		* Composes a PubAck answer with the same packetIdentifier as what we received
296		* @return PubAck
297		*/
298		private function composePubAckAnswer(): PubAck
299		{
300		$pubAck = new PubAck($this->logger);
301		$pubAck->packetIdentifier = $this->packetIdentifier;
302		return $pubAck;
303		}
304
305		/**
306		* PUBLISH packet is the exception to the rule: it is not started on base of a packet that gets sent by us
307		*/
308		public function getOriginControlPacket(): int
309		{
310		return 0;
311		}
312		}
313

unreal4u / mqtt

Push — master ( accf18...c40548 )

Publish::createPayload() A

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