content: /*
   * Copyright 1999-2018 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.config.server.monitor;
  
  import java.text.DecimalFormat;
  import java.util.concurrent.atomic.AtomicLong;
  
  /**
   * Response Monitory
   *
   * @author Nacos
   */
  public class ResponseMonitor {
      private static AtomicLong[] getConfigCountDetail = new AtomicLong[8];
      private static AtomicLong getConfigCount = new AtomicLong();
      private static final int MS_50 = 50;
      private static final int MS_100 = 100;
      private static final int MS_200 = 200;
      private static final int MS_500 = 500;
      private static final int MS_1000 = 1000;
      private static final int MS_2000 = 2000;
      private static final int MS_3000 = 3000;
  
      static {
          refresh();
      }
  
      public static void refresh() {
          for (int i = 0; i < getConfigCountDetail.length; i++) {
              getConfigCountDetail[i] = new AtomicLong();
          }
      }
  
      public static void addConfigTime(long time) {
          getConfigCount.incrementAndGet();
          if (time < MS_50) {
              getConfigCountDetail[0].incrementAndGet();
          } else if (time < MS_100) {
              getConfigCountDetail[1].incrementAndGet();
          } else if (time < MS_200) {
              getConfigCountDetail[2].incrementAndGet();
          } else if (time < MS_500) {
              getConfigCountDetail[3].incrementAndGet();
          } else if (time < MS_1000) {
              getConfigCountDetail[4].incrementAndGet();
          } else if (time < MS_2000) {
              getConfigCountDetail[5].incrementAndGet();
          } else if (time < MS_3000) {
              getConfigCountDetail[6].incrementAndGet();
          } else {
              getConfigCountDetail[7].incrementAndGet();
          }
      }
  
      public static String getStringForPrint() {
          DecimalFormat df = new DecimalFormat("##.0");
          StringBuilder s = new StringBuilder("getConfig monitor:\r\n");
          s.append("0-50ms:" + df.format(getConfigCountDetail[0].getAndSet(0) * 100 / getConfigCount.get())).append(
              "%\r\n");
          s.append("100-200ms:" + df.format(getConfigCountDetail[2].getAndSet(0) * 100 / getConfigCount.get())).append(
              "%\r\n");
          s.append("200-500ms:" + df.format(getConfigCountDetail[3].getAndSet(0) * 100 / getConfigCount.get())).append(
              "%\r\n");
          s.append("500-1000ms:" + df.format(getConfigCountDetail[4].getAndSet(0) * 100 / getConfigCount.get())).append(
              "%\r\n");
          s.append("1000-2000ms:" + df.format(getConfigCountDetail[5].getAndSet(0) * 100 / getConfigCount.get())).append(
              "%\r\n");
          s.append("2000-3000ms:" + df.format(getConfigCountDetail[6].getAndSet(0) * 100 / getConfigCount.get())).append(
              "%\r\n");
          s.append("3000以上ms:" + df.format(getConfigCountDetail[7].getAndSet(0) * 100 / getConfigCount.getAndSet(0)))
              .append("%\r\n");
          return s.toString();
      }
  }
  