content: /*
   * Copyright 1999-2023 Alibaba Group Holding Ltd.
   *
   * Licensed 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 com.alibaba.nacos.lock.aspect;
  
  import com.alibaba.nacos.api.lock.remote.request.LockOperationRequest;
  import com.alibaba.nacos.api.lock.remote.response.LockOperationResponse;
  import com.alibaba.nacos.api.remote.request.RequestMeta;
  import com.alibaba.nacos.lock.monitor.LockMetricsMonitor;
  import org.aspectj.lang.ProceedingJoinPoint;
  import org.aspectj.lang.annotation.Around;
  import org.aspectj.lang.annotation.Aspect;
  import org.springframework.stereotype.Component;
  
  import java.util.concurrent.TimeUnit;
  
  /**
   * RequestLockAspect.
   * @author goumang.zh@alibaba-inc.com
   */
  @Aspect
  @Component
  public class RequestLockAspect {
      
      
      /**
       * count metrics and get handler time.
       */
      @SuppressWarnings("checkstyle:linelength")
      @Around(value = "execution(* com.alibaba.nacos.core.remote.RequestHandler.handleRequest(..)) && target(com.alibaba.nacos.lock.remote.rpc.handler.LockRequestHandler) && args(request, meta)", argNames = "pjp,request,meta")
      public Object lockMeterPoint(ProceedingJoinPoint pjp, LockOperationRequest request, RequestMeta meta)
              throws Throwable {
          long st = System.currentTimeMillis();
          try {
              LockMetricsMonitor.getTotalMeter(request.getLockOperationEnum()).incrementAndGet();
              LockOperationResponse result = (LockOperationResponse) pjp.proceed();
              if (result.isSuccess()) {
                  LockMetricsMonitor.getSuccessMeter(request.getLockOperationEnum()).incrementAndGet();
              }
              return result;
          } finally {
              long rt = System.currentTimeMillis() - st;
              LockMetricsMonitor.getLockHandlerTimer().record(rt, TimeUnit.MILLISECONDS);
          }
      }
  }
  