blob: 1ea5d7c0b001a15fc7fe6f43855443a4a454da9a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
<?php
namespace Jaeger\Codec;
use Jaeger\SpanContext;
use const Jaeger\DEBUG_FLAG;
use const Jaeger\SAMPLED_FLAG;
class ZipkinCodec implements CodecInterface
{
const SAMPLED_NAME = 'X-B3-Sampled';
const TRACE_ID_NAME = 'X-B3-TraceId';
const SPAN_ID_NAME = 'X-B3-SpanId';
const PARENT_ID_NAME = 'X-B3-ParentSpanId';
const FLAGS_NAME = 'X-B3-Flags';
/**
* {@inheritdoc}
*
* @see \Jaeger\Tracer::inject
*
* @param SpanContext $spanContext
* @param mixed $carrier
*
* @return void
*/
public function inject(SpanContext $spanContext, &$carrier)
{
$carrier[self::TRACE_ID_NAME] = dechex($spanContext->getTraceId());
$carrier[self::SPAN_ID_NAME] = dechex($spanContext->getSpanId());
if ($spanContext->getParentId() != null) {
$carrier[self::PARENT_ID_NAME] = dechex($spanContext->getParentId());
}
$carrier[self::FLAGS_NAME] = (int) $spanContext->getFlags();
}
/**
* {@inheritdoc}
*
* @see \Jaeger\Tracer::extract
*
* @param mixed $carrier
* @return SpanContext|null
*/
public function extract($carrier)
{
$traceId = "0";
$spanId = "0";
$parentId = "0";
$flags = 0;
if (isset($carrier[strtolower(self::SAMPLED_NAME)])) {
if ($carrier[strtolower(self::SAMPLED_NAME)] === "1" ||
strtolower($carrier[strtolower(self::SAMPLED_NAME)] === "true")
) {
$flags = $flags | SAMPLED_FLAG;
}
}
if (isset($carrier[strtolower(self::TRACE_ID_NAME)])) {
$traceId = CodecUtility::hexToInt64($carrier[strtolower(self::TRACE_ID_NAME)], 16, 10);
}
if (isset($carrier[strtolower(self::PARENT_ID_NAME)])) {
$parentId = CodecUtility::hexToInt64($carrier[strtolower(self::PARENT_ID_NAME)], 16, 10);
}
if (isset($carrier[strtolower(self::SPAN_ID_NAME)])) {
$spanId = CodecUtility::hexToInt64($carrier[strtolower(self::SPAN_ID_NAME)], 16, 10);
}
if (isset($carrier[strtolower(self::FLAGS_NAME)])) {
if ($carrier[strtolower(self::FLAGS_NAME)] === "1") {
$flags = $flags | DEBUG_FLAG;
}
}
if ($traceId != "0" && $spanId != "0") {
return new SpanContext($traceId, $spanId, $parentId, $flags);
}
return null;
}
}
|
