kamon.okhttp3.instrumentation.OkHttpInstrumentation.scala Maven / Gradle / Ivy
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/*
* Copyright 2013-2020 The Kamon Project
*
* 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.okhttp3.instrumentation
import kanela.agent.api.instrumentation.InstrumentationBuilder
import kanela.agent.libs.net.bytebuddy.asm.Advice
import okhttp3.OkHttpClient
import scala.annotation.static
class OkHttpInstrumentation extends InstrumentationBuilder {
/**
* Instrument:
*
* okhttp3.OkHttpClient::constructor
*/
onType("okhttp3.OkHttpClient")
.advise(isConstructor() and takesOneArgumentOf("okhttp3.OkHttpClient$Builder"), classOf[OkHttpClientBuilderAdvisor])
}
/**
* Avisor for okhttp3.OkHttpClient::constructor(OkHttpClient.Builder)
*/
class OkHttpClientBuilderAdvisor
object OkHttpClientBuilderAdvisor {
import scala.collection.JavaConverters._
@Advice.OnMethodEnter(suppress = classOf[Throwable])
@static def addKamonInterceptor(@Advice.Argument(0) builder: OkHttpClient.Builder): Unit = {
val interceptors = builder.networkInterceptors.asScala
if (!interceptors.exists(_.isInstanceOf[KamonTracingInterceptor])) {
builder.addNetworkInterceptor(new KamonTracingInterceptor)
}
}
}