content: /*
   * Copyright The OpenTelemetry Authors
   * SPDX-License-Identifier: Apache-2.0
   */
  
  package io.opentelemetry.javaagent.instrumentation.vertx.v4_0.sql;
  
  import static io.opentelemetry.javaagent.instrumentation.vertx.sql.VertxSqlClientUtil.getSqlConnectOptions;
  import static io.opentelemetry.javaagent.instrumentation.vertx.sql.VertxSqlClientUtil.setSqlConnectOptions;
  import static io.opentelemetry.javaagent.instrumentation.vertx.v4_0.sql.VertxSqlClientSingletons.attachConnectOptions;
  import static io.opentelemetry.javaagent.instrumentation.vertx.v4_0.sql.VertxSqlClientSingletons.getSqlConnectOptions;
  import static net.bytebuddy.matcher.ElementMatchers.isConstructor;
  import static net.bytebuddy.matcher.ElementMatchers.named;
  import static net.bytebuddy.matcher.ElementMatchers.namedOneOf;
  
  import io.opentelemetry.javaagent.bootstrap.CallDepth;
  import io.opentelemetry.javaagent.extension.instrumentation.TypeInstrumentation;
  import io.opentelemetry.javaagent.extension.instrumentation.TypeTransformer;
  import io.vertx.sqlclient.SqlConnectOptions;
  import io.vertx.sqlclient.impl.SqlClientBase;
  import net.bytebuddy.asm.Advice;
  import net.bytebuddy.description.type.TypeDescription;
  import net.bytebuddy.matcher.ElementMatcher;
  
  public class SqlClientBaseInstrumentation implements TypeInstrumentation {
  
    @Override
    public ElementMatcher<TypeDescription> typeMatcher() {
      return named("io.vertx.sqlclient.impl.SqlClientBase");
    }
  
    @Override
    public void transform(TypeTransformer transformer) {
      transformer.applyAdviceToMethod(
          isConstructor(), SqlClientBaseInstrumentation.class.getName() + "$ConstructorAdvice");
      transformer.applyAdviceToMethod(
          namedOneOf("query", "preparedQuery"),
          SqlClientBaseInstrumentation.class.getName() + "$QueryAdvice");
    }
  
    @SuppressWarnings("unused")
    public static class ConstructorAdvice {
      @Advice.OnMethodExit(suppress = Throwable.class)
      public static void onExit(@Advice.This SqlClientBase<?> sqlClientBase) {
        // copy connection options from ThreadLocal to VirtualField
        attachConnectOptions(sqlClientBase, getSqlConnectOptions());
      }
    }
  
    @SuppressWarnings("unused")
    public static class QueryAdvice {
      @Advice.OnMethodEnter(suppress = Throwable.class)
      public static void onEnter(
          @Advice.This SqlClientBase<?> sqlClientBase,
          @Advice.Local("otelCallDepth") CallDepth callDepth) {
        callDepth = CallDepth.forClass(SqlClientBase.class);
        if (callDepth.getAndIncrement() > 0) {
          return;
        }
  
        // set connection options to ThreadLocal, they will be read in QueryExecutor constructor
        SqlConnectOptions sqlConnectOptions = getSqlConnectOptions(sqlClientBase);
        setSqlConnectOptions(sqlConnectOptions);
      }
  
      @Advice.OnMethodExit(onThrowable = Throwable.class, suppress = Throwable.class)
      public static void onExit(
          @Advice.Thrown Throwable throwable, @Advice.Local("otelCallDepth") CallDepth callDepth) {
        if (callDepth.decrementAndGet() > 0) {
          return;
        }
  
        setSqlConnectOptions(null);
      }
    }
  }
  