content: /*
   * Copyright 2014-2025 Real Logic Limited.
   *
   * 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
   *
   * https://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.aeron.driver.ext;
  
  import org.agrona.concurrent.UnsafeBuffer;
  
  import java.net.InetSocketAddress;
  import java.util.Random;
  
  /**
   * Uniform random loss generator which can be used for testing loss scenarios.
   */
  public class RandomLossGenerator implements LossGenerator
  {
      private final double lossRate;
      private final Random random;
  
      /**
       * Construct loss generator with given loss rate as percentage.
       *
       * @param lossRate for generating loss.
       */
      public RandomLossGenerator(final double lossRate)
      {
          this(lossRate, -1);
      }
  
      /**
       * Construct loss generator with given loss rate as percentage and random seed.
       *
       * @param lossRate for generating loss.
       * @param lossSeed for random seeding.
       */
      public RandomLossGenerator(final double lossRate, final long lossSeed)
      {
          this.random = -1 == lossSeed ? new Random() : new Random(lossSeed);
          this.lossRate = lossRate;
      }
  
      /**
       * {@inheritDoc}
       */
      public boolean shouldDropFrame(final InetSocketAddress address, final UnsafeBuffer buffer, final int length)
      {
          return random.nextDouble() <= lossRate;
      }
  }
  