content: /*
   * Copyright 2010 Proofpoint, Inc.
   *
   * 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 io.airlift.http.client;
  
  import com.google.inject.Inject;
  import io.airlift.stats.CounterStat;
  import io.airlift.stats.DistributionStat;
  import io.airlift.stats.TimeStat;
  import io.airlift.units.Duration;
  import org.weakref.jmx.Managed;
  import org.weakref.jmx.Nested;
  
  import static io.airlift.http.client.HttpStatus.familyForStatusCode;
  
  public class RequestStats
  {
      private final CounterStat allResponse = new CounterStat();
      private final CounterStat informationalResponse = new CounterStat();
      private final CounterStat successfulResponse = new CounterStat();
      private final CounterStat redirectionResponse = new CounterStat();
      private final CounterStat clientErrorResponse = new CounterStat();
      private final CounterStat serverErrorResponse = new CounterStat();
  
      private final CounterStat requestFailed = new CounterStat();
      private final CounterStat requestCanceled = new CounterStat();
  
      private final TimeStat requestTime = new TimeStat();
      private final TimeStat responseTime = new TimeStat();
      private final DistributionStat readBytes = new DistributionStat();
      private final DistributionStat writtenBytes = new DistributionStat();
  
      @Inject
      public RequestStats()
      {
      }
  
      public void recordResponseReceived(String method,
              int responseCode,
              long requestSizeInBytes,
              long responseSizeInBytes,
              Duration requestProcessingTime,
              Duration responseProcessingTime)
      {
          requestTime.add(requestProcessingTime);
          responseTime.add(responseProcessingTime);
          readBytes.add(responseSizeInBytes);
          writtenBytes.add(requestSizeInBytes);
  
          allResponse.update(1);
          switch (familyForStatusCode(responseCode)) {
              case INFORMATIONAL:
                  informationalResponse.update(1);
                  break;
              case SUCCESSFUL:
                  successfulResponse.update(1);
                  break;
              case REDIRECTION:
                  redirectionResponse.update(1);
                  break;
              case CLIENT_ERROR:
                  clientErrorResponse.update(1);
                  break;
              case SERVER_ERROR:
                  serverErrorResponse.update(1);
                  break;
          }
      }
  
      public void recordRequestFailed()
      {
          requestFailed.update(1);
      }
  
      public void recordRequestCanceled()
      {
          requestCanceled.update(1);
      }
  
      @Managed
      @Nested
      public CounterStat getAllResponse()
      {
          return allResponse;
      }
  
      @Managed
      @Nested
      public CounterStat get1xxResponse()
      {
          return informationalResponse;
      }
  
      @Managed
      @Nested
      public CounterStat get2xxResponse()
      {
          return successfulResponse;
      }
  
      @Managed
      @Nested
      public CounterStat get3xxResponse()
      {
          return redirectionResponse;
      }
  
      @Managed
      @Nested
      public CounterStat get4xxResponse()
      {
          return clientErrorResponse;
      }
  
      @Managed
      @Nested
      public CounterStat get5xxResponse()
      {
          return serverErrorResponse;
      }
  
      @Managed
      @Nested
      public CounterStat getRequestFailed()
      {
          return requestFailed;
      }
  
      @Managed
      @Nested
      public CounterStat getRequestCanceled()
      {
          return requestCanceled;
      }
  
      @Managed
      @Nested
      public TimeStat getRequestTime()
      {
          return requestTime;
      }
  
      @Managed
      @Nested
      public TimeStat getResponseTime()
      {
          return responseTime;
      }
  
      @Managed
      @Nested
      public DistributionStat getReadBytes()
      {
          return readBytes;
      }
  
      @Managed
      @Nested
      public DistributionStat getWrittenBytes()
      {
          return writtenBytes;
      }
  }
  