content: /*
   * Copyright The OpenTelemetry Authors
   * SPDX-License-Identifier: Apache-2.0
   */
  
  package io.opentelemetry.javaagent.instrumentation.armeria.v1_3;
  
  import static net.bytebuddy.matcher.ElementMatchers.isConstructor;
  import static net.bytebuddy.matcher.ElementMatchers.named;
  import static net.bytebuddy.matcher.ElementMatchers.namedOneOf;
  import static net.bytebuddy.matcher.ElementMatchers.takesArgument;
  
  import io.opentelemetry.javaagent.extension.instrumentation.TypeInstrumentation;
  import io.opentelemetry.javaagent.extension.instrumentation.TypeTransformer;
  import java.util.concurrent.CompletableFuture;
  import net.bytebuddy.asm.Advice;
  import net.bytebuddy.description.type.TypeDescription;
  import net.bytebuddy.matcher.ElementMatcher;
  import org.reactivestreams.Subscriber;
  
  public class AbstractStreamMessageSubscriptionInstrumentation implements TypeInstrumentation {
    @Override
    public ElementMatcher<TypeDescription> typeMatcher() {
      return namedOneOf(
          "com.linecorp.armeria.common.stream.AbstractStreamMessage$SubscriptionImpl",
          // renamed in 1.19.0
          "com.linecorp.armeria.common.stream.CancellableStreamMessage$SubscriptionImpl");
    }
  
    @Override
    public void transform(TypeTransformer transformer) {
      transformer.applyAdviceToMethod(
          isConstructor()
              .and(
                  takesArgument(
                      0,
                      namedOneOf(
                          "com.linecorp.armeria.common.stream.AbstractStreamMessage",
                          "com.linecorp.armeria.common.stream.CancellableStreamMessage")))
              .and(takesArgument(1, named("org.reactivestreams.Subscriber"))),
          AbstractStreamMessageSubscriptionInstrumentation.class.getName() + "$WrapSubscriberAdvice");
      // from 1.9.0 to 1.9.2
      transformer.applyAdviceToMethod(
          isConstructor()
              .and(
                  takesArgument(0, named("com.linecorp.armeria.common.stream.AbstractStreamMessage")))
              .and(takesArgument(4, named("java.util.concurrent.CompletableFuture"))),
          AbstractStreamMessageSubscriptionInstrumentation.class.getName()
              + "$WrapCompletableFutureAdvice");
    }
  
    @SuppressWarnings("unused")
    public static class WrapSubscriberAdvice {
  
      @Advice.OnMethodEnter(suppress = Throwable.class)
      public static void wrapSubscriber(
          @Advice.Argument(value = 1, readOnly = false) Subscriber<?> subscriber) {
        subscriber = SubscriberWrapper.wrap(subscriber);
      }
    }
  
    @SuppressWarnings("unused")
    public static class WrapCompletableFutureAdvice {
  
      @Advice.OnMethodEnter(suppress = Throwable.class)
      public static void wrapCompletableFuture(
          @Advice.Argument(value = 4, readOnly = false) CompletableFuture<?> future) {
        future = CompletableFutureWrapper.wrap(future);
      }
    }
  }
  