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
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
/* =========================================================================================
* Copyright © 2013-2017 the kamon project <http://kamon.io/>
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the
* License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
* either express or implied. See the License for the specific language governing permissions
* and limitations under the License.
* =========================================================================================
*/
package kamon
import java.util.concurrent.atomic.AtomicReference
import com.typesafe.config.{Config, ConfigFactory}
import io.opentracing.propagation.Format
import io.opentracing.{ActiveSpan, Span, SpanContext}
import kamon.metric._
import kamon.trace.Tracer
import kamon.util.MeasurementUnit
import scala.concurrent.Future
import java.time.Duration
import io.opentracing.ActiveSpan.Continuation
object Kamon extends MetricLookup with ReporterRegistry with io.opentracing.Tracer {
private val initialConfig = ConfigFactory.load()
private val metricRegistry = new MetricRegistry(initialConfig)
private val reporterRegistry = new ReporterRegistryImpl(metricRegistry, initialConfig)
private val env = new AtomicReference[Environment](Environment.fromConfig(ConfigFactory.load()))
private val kamonTracer = new Tracer(Kamon, reporterRegistry, initialConfig)
def environment: Environment =
env.get()
def reconfigure(config: Config): Unit = synchronized {
metricRegistry.reconfigure(config)
reporterRegistry.reconfigure(config)
env.set(Environment.fromConfig(config))
}
override def histogram(name: String, unit: MeasurementUnit, dynamicRange: Option[DynamicRange]): HistogramMetric =
metricRegistry.histogram(name, unit, dynamicRange)
override def counter(name: String, unit: MeasurementUnit): CounterMetric =
metricRegistry.counter(name, unit)
override def gauge(name: String, unit: MeasurementUnit): GaugeMetric =
metricRegistry.gauge(name, unit)
override def minMaxCounter(name: String, unit: MeasurementUnit, sampleInterval: Option[Duration],
dynamicRange: Option[DynamicRange]): MinMaxCounterMetric =
metricRegistry.minMaxCounter(name, unit, dynamicRange, sampleInterval)
def tracer: Tracer =
kamonTracer
override def buildSpan(operationName: String): io.opentracing.Tracer.SpanBuilder =
kamonTracer.buildSpan(operationName)
override def extract[C](format: Format[C], carrier: C): SpanContext =
kamonTracer.extract(format, carrier)
override def inject[C](spanContext: SpanContext, format: Format[C], carrier: C): Unit =
kamonTracer.inject(spanContext, format, carrier)
override def activeSpan(): ActiveSpan =
kamonTracer.activeSpan()
override def makeActive(span: Span): ActiveSpan =
kamonTracer.makeActive(span)
/**
* Makes the provided Span active before code is evaluated and deactivates it afterwards.
*/
def withSpan[T](span: Span)(code: => T): T = {
val activeSpan = makeActive(span)
val evaluatedCode = code
activeSpan.deactivate()
evaluatedCode
}
/**
* Actives the provided Continuation before code is evaluated and deactivates it afterwards.
*/
def withContinuation[T](continuation: Continuation)(code: => T): T = {
val activeSpan = continuation.activate()
val evaluatedCode = code
activeSpan.deactivate()
evaluatedCode
}
override def loadReportersFromConfig(): Unit =
reporterRegistry.loadReportersFromConfig()
override def addReporter(reporter: MetricReporter): Registration =
reporterRegistry.addReporter(reporter)
override def addReporter(reporter: MetricReporter, name: String): Registration =
reporterRegistry.addReporter(reporter, name)
override def addReporter(reporter: SpanReporter): Registration =
reporterRegistry.addReporter(reporter)
override def addReporter(reporter: SpanReporter, name: String): Registration =
reporterRegistry.addReporter(reporter, name)
override def stopAllReporters(): Future[Unit] =
reporterRegistry.stopAllReporters()
}
|
