content: /*
   * Copyright The OpenTelemetry Authors
   * SPDX-License-Identifier: Apache-2.0
   */
  
  package io.opentelemetry.javaagent.instrumentation.awssdk.v1_11;
  
  import static net.bytebuddy.matcher.ElementMatchers.isAbstract;
  import static net.bytebuddy.matcher.ElementMatchers.isMethod;
  import static net.bytebuddy.matcher.ElementMatchers.named;
  import static net.bytebuddy.matcher.ElementMatchers.not;
  import static net.bytebuddy.matcher.ElementMatchers.returns;
  
  import com.amazonaws.Request;
  import com.amazonaws.Response;
  import io.opentelemetry.context.Scope;
  import io.opentelemetry.javaagent.extension.instrumentation.TypeInstrumentation;
  import io.opentelemetry.javaagent.extension.instrumentation.TypeTransformer;
  import net.bytebuddy.asm.Advice;
  import net.bytebuddy.description.type.TypeDescription;
  import net.bytebuddy.matcher.ElementMatcher;
  
  /**
   * Due to a change in the AmazonHttpClient class, this instrumentation is needed to support newer
   * versions. The {@link AwsHttpClientInstrumentation} class should cover older versions.
   */
  public class RequestExecutorInstrumentation implements TypeInstrumentation {
  
    @Override
    public ElementMatcher<TypeDescription> typeMatcher() {
      return named("com.amazonaws.http.AmazonHttpClient$RequestExecutor");
    }
  
    @Override
    public void transform(TypeTransformer transformer) {
      transformer.applyAdviceToMethod(
          isMethod()
              .and(not(isAbstract()))
              .and(named("doExecute"))
              .and(returns(named("com.amazonaws.Response"))),
          RequestExecutorInstrumentation.class.getName() + "$RequestExecutorAdvice");
    }
  
    @SuppressWarnings("unused")
    public static class RequestExecutorAdvice {
  
      @Advice.OnMethodExit(onThrowable = Throwable.class, suppress = Throwable.class)
      public static void methodExit(
          @Advice.FieldValue("request") Request<?> request,
          @Advice.Return Response<?> response,
          @Advice.Thrown Throwable throwable) {
        if (throwable instanceof Exception) {
          TracingRequestHandler.tracingHandler.afterError(request, response, (Exception) throwable);
        }
        Scope scope = request.getHandlerContext(TracingRequestHandler.SCOPE);
        if (scope != null) {
          scope.close();
        }
      }
    }
  }
  