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ElasticsearchClientAsyncInstrumentation.java
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ElasticsearchClientAsyncInstrumentation.java
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/*
* Licensed to Elasticsearch B.V. under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch B.V. licenses this file to you 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 co.elastic.apm.agent.esrestclient.v6_4;
import co.elastic.apm.agent.esrestclient.ElasticsearchRestClientInstrumentation;
import co.elastic.apm.agent.esrestclient.ElasticsearchRestClientInstrumentationHelper;
import co.elastic.apm.agent.tracer.Span;
import net.bytebuddy.asm.Advice;
import net.bytebuddy.asm.Advice.AssignReturned.ToArguments.ToArgument;
import net.bytebuddy.description.method.MethodDescription;
import net.bytebuddy.description.type.TypeDescription;
import net.bytebuddy.matcher.ElementMatcher;
import org.elasticsearch.client.Request;
import org.elasticsearch.client.ResponseListener;
import javax.annotation.Nullable;
import static net.bytebuddy.implementation.bytecode.assign.Assigner.Typing.DYNAMIC;
import static net.bytebuddy.matcher.ElementMatchers.named;
import static net.bytebuddy.matcher.ElementMatchers.takesArgument;
import static net.bytebuddy.matcher.ElementMatchers.takesArguments;
public class ElasticsearchClientAsyncInstrumentation extends ElasticsearchRestClientInstrumentation {
@Override
public ElementMatcher<? super TypeDescription> getTypeMatcher() {
return named("org.elasticsearch.client.RestClient");
}
@Override
public ElementMatcher<? super MethodDescription> getMethodMatcher() {
return named("performRequestAsync")
.and(takesArguments(2)
.and(takesArgument(0, named("org.elasticsearch.client.Request")))
.and(takesArgument(1, named("org.elasticsearch.client.ResponseListener"))));
}
@Override
public String getAdviceClassName() {
return getClass().getName() + "$ElasticsearchRestClientAsyncAdvice";
}
public static class ElasticsearchRestClientAsyncAdvice {
private static final ElasticsearchRestClientInstrumentationHelper helper = ElasticsearchRestClientInstrumentationHelper.get();
@Nullable
@Advice.AssignReturned.ToArguments(@ToArgument(index = 1, value = 1, typing = DYNAMIC))
@Advice.OnMethodEnter(suppress = Throwable.class, inline = false)
public static Object[] onBeforeExecute(@Advice.Argument(0) Request request,
@Advice.Argument(1) ResponseListener responseListener) {
Span<?> span = helper.createClientSpan(request, request.getMethod(), request.getEndpoint(), request.getEntity());
if (span != null) {
Object[] ret = new Object[2];
ret[0] = span;
ret[1] = helper.wrapClientResponseListener(responseListener, span);
return ret;
}
return null;
}
@Advice.OnMethodExit(suppress = Throwable.class, onThrowable = Throwable.class, inline = false)
public static void onAfterExecute(@Advice.Thrown @Nullable Throwable t,
@Advice.Enter @Nullable Object[] entryArgs) {
if (entryArgs != null) {
final Span<?> span = (Span<?>) entryArgs[0];
if (span != null) {
// Deactivate in this thread. Span will be ended and reported by the listener
span.deactivate();
}
}
}
}
}