/*
    * ====================================================================
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   */
  
  package org.apache.hc.core5.http.impl;
  
  import java.util.concurrent.atomic.AtomicLong;
  
  import org.apache.hc.core5.http.HttpConnectionMetrics;
  import org.apache.hc.core5.http.io.HttpTransportMetrics;
  
  /**
   * Default implementation of the {@link HttpConnectionMetrics} interface.
   *
   * @since 4.0
   */
  public final class BasicHttpConnectionMetrics implements HttpConnectionMetrics {
  
      private final HttpTransportMetrics inTransportMetric;
      private final HttpTransportMetrics outTransportMetric;
      private final AtomicLong requestCount;
      private final AtomicLong responseCount;
  
      public BasicHttpConnectionMetrics(
              final HttpTransportMetrics inTransportMetric,
              final HttpTransportMetrics outTransportMetric) {
          super();
          this.inTransportMetric = inTransportMetric;
          this.outTransportMetric = outTransportMetric;
          this.requestCount = new AtomicLong(0);
          this.responseCount = new AtomicLong(0);
      }
  
      @Override
      public long getReceivedBytesCount() {
          if (this.inTransportMetric != null) {
              return this.inTransportMetric.getBytesTransferred();
          }
          return -1;
      }
  
      @Override
      public long getSentBytesCount() {
          if (this.outTransportMetric != null) {
              return this.outTransportMetric.getBytesTransferred();
          }
          return -1;
      }
  
      @Override
      public long getRequestCount() {
          return this.requestCount.get();
      }
  
      public void incrementRequestCount() {
          this.requestCount.incrementAndGet();
      }
  
      @Override
      public long getResponseCount() {
          return this.responseCount.get();
      }
  
      public void incrementResponseCount() {
          this.responseCount.incrementAndGet();
      }
  
  }