|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
declare(strict_types=1); |
|
4
|
|
|
|
|
5
|
|
|
namespace unreal4u\MQTT\Internals; |
|
6
|
|
|
|
|
7
|
|
|
use unreal4u\MQTT\Client; |
|
8
|
|
|
use unreal4u\MQTT\Exceptions\InvalidResponseType; |
|
9
|
|
|
|
|
10
|
|
|
trait ReadableContent |
|
11
|
|
|
{ |
|
12
|
|
|
/** |
|
13
|
|
|
* Length of variable header |
|
14
|
|
|
* @var int |
|
15
|
|
|
*/ |
|
16
|
|
|
protected $variableHeaderSize = 0; |
|
17
|
|
|
|
|
18
|
2 |
|
final public function populate(string $rawMQTTHeaders): ReadableContentInterface |
|
19
|
|
|
{ |
|
20
|
|
|
//var_dump(base64_encode($rawMQTTHeaders)); // For now: make it a bit easier to create unit tests |
|
21
|
|
|
$this |
|
22
|
2 |
|
->checkControlPacketValue(\ord($rawMQTTHeaders[0]) >> 4) |
|
23
|
2 |
|
->fillObject($rawMQTTHeaders); |
|
24
|
|
|
|
|
25
|
2 |
|
return $this; |
|
|
|
|
|
|
26
|
|
|
} |
|
27
|
|
|
|
|
28
|
2 |
|
final public function checkControlPacketValue(int $controlPacketValue): ReadableContentInterface |
|
29
|
|
|
{ |
|
30
|
|
|
// Check whether the first byte corresponds to the expected control packet value |
|
31
|
2 |
|
if (static::CONTROL_PACKET_VALUE !== $controlPacketValue) { |
|
|
|
|
|
|
32
|
|
|
throw new InvalidResponseType(sprintf( |
|
33
|
|
|
'Value of received value does not correspond to response (Expected: %d, Actual: %d)', |
|
34
|
|
|
static::CONTROL_PACKET_VALUE, |
|
35
|
|
|
$controlPacketValue |
|
36
|
|
|
)); |
|
37
|
|
|
} |
|
38
|
|
|
|
|
39
|
2 |
|
return $this; |
|
|
|
|
|
|
40
|
|
|
} |
|
41
|
|
|
|
|
42
|
|
|
/** |
|
43
|
|
|
* Extracts the packet identifier from the raw headers |
|
44
|
|
|
* |
|
45
|
|
|
* @param string $rawMQTTHeaders |
|
46
|
|
|
* @return int |
|
47
|
|
|
*/ |
|
48
|
1 |
|
private function extractPacketIdentifier(string $rawMQTTHeaders): int |
|
49
|
|
|
{ |
|
50
|
|
|
// Fastest conversion? Turn the bytes around instead of trying to arm a number and passing it along |
|
51
|
1 |
|
return \ord($rawMQTTHeaders{3} . $rawMQTTHeaders{2}); |
|
52
|
|
|
} |
|
53
|
|
|
|
|
54
|
|
|
/** |
|
55
|
|
|
* Returns the number of bytes we'll have to read out from |
|
56
|
|
|
* @return int |
|
57
|
|
|
*/ |
|
58
|
|
|
final public function readVariableHeader(): int |
|
59
|
|
|
{ |
|
60
|
|
|
// TODO |
|
61
|
|
|
} |
|
|
|
|
|
|
62
|
|
|
|
|
63
|
|
|
/** |
|
64
|
|
|
* Any class can overwrite the default behaviour |
|
65
|
|
|
* @param string $rawMQTTHeaders |
|
66
|
|
|
* @return ReadableContentInterface |
|
67
|
|
|
*/ |
|
68
|
1 |
|
public function fillObject(string $rawMQTTHeaders): ReadableContentInterface |
|
|
|
|
|
|
69
|
|
|
{ |
|
70
|
1 |
|
return $this; |
|
|
|
|
|
|
71
|
|
|
} |
|
72
|
|
|
|
|
73
|
|
|
/** |
|
74
|
|
|
* Any class can overwrite the default behaviour |
|
75
|
|
|
* @param Client $client |
|
76
|
|
|
* @param WritableContentInterface $originalRequest |
|
77
|
|
|
* @return bool |
|
78
|
|
|
*/ |
|
79
|
|
|
public function performSpecialActions(Client $client, WritableContentInterface $originalRequest): bool |
|
|
|
|
|
|
80
|
|
|
{ |
|
81
|
|
|
return false; |
|
82
|
|
|
} |
|
83
|
|
|
} |
|
84
|
|
|
|
unreal4u /
mqtt
Loading history...