content: /*
   * Copyright The OpenTelemetry Authors
   * SPDX-License-Identifier: Apache-2.0
   */
  
  package io.opentelemetry.javaagent.instrumentation.azurecore.v1_36;
  
  import static io.opentelemetry.javaagent.extension.matcher.AgentElementMatchers.implementsInterface;
  import static io.opentelemetry.javaagent.instrumentation.azurecore.v1_36.SuppressNestedClientHelper.disallowNestedClientSpanMono;
  import static io.opentelemetry.javaagent.instrumentation.azurecore.v1_36.SuppressNestedClientHelper.disallowNestedClientSpanSync;
  import static net.bytebuddy.matcher.ElementMatchers.isMethod;
  import static net.bytebuddy.matcher.ElementMatchers.isPublic;
  import static net.bytebuddy.matcher.ElementMatchers.named;
  import static net.bytebuddy.matcher.ElementMatchers.returns;
  import static net.bytebuddy.matcher.ElementMatchers.takesArgument;
  
  import com.azure.core.http.HttpResponse;
  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;
  import reactor.core.publisher.Mono;
  
  public class AzureHttpClientInstrumentation implements TypeInstrumentation {
  
    @Override
    public ElementMatcher<TypeDescription> typeMatcher() {
      return implementsInterface(named("com.azure.core.http.HttpClient"));
    }
  
    @Override
    public void transform(TypeTransformer transformer) {
      transformer.applyAdviceToMethod(
          isMethod()
              .and(isPublic())
              .and(named("send"))
              .and(takesArgument(1, named("com.azure.core.util.Context")))
              .and(returns(named("reactor.core.publisher.Mono"))),
          this.getClass().getName() + "$SuppressNestedClientMonoAdvice");
      transformer.applyAdviceToMethod(
          isMethod()
              .and(isPublic())
              .and(named("sendSync"))
              .and(takesArgument(1, named("com.azure.core.util.Context")))
              .and(returns(named("com.azure.core.http.HttpResponse"))),
          this.getClass().getName() + "$SuppressNestedClientSyncAdvice");
    }
  
    @SuppressWarnings("unused")
    public static class SuppressNestedClientMonoAdvice {
      @Advice.OnMethodExit(suppress = Throwable.class)
      public static void asyncSendExit(
          @Advice.Argument(1) com.azure.core.util.Context azContext,
          @Advice.Return(readOnly = false) Mono<HttpResponse> mono) {
        mono = disallowNestedClientSpanMono(mono, azContext);
      }
    }
  
    @SuppressWarnings("unused")
    public static class SuppressNestedClientSyncAdvice {
  
      @Advice.OnMethodEnter(suppress = Throwable.class)
      public static void syncSendEnter(
          @Advice.Argument(1) com.azure.core.util.Context azContext,
          @Advice.Local("otelScope") Scope scope) {
        scope = disallowNestedClientSpanSync(azContext);
      }
  
      @Advice.OnMethodExit(suppress = Throwable.class)
      public static void syncSendExit(
          @Advice.Return HttpResponse response, @Advice.Local("otelScope") Scope scope) {
        if (scope != null) {
          scope.close();
        }
      }
    }
  }
  