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.samples;
  
  import io.aeron.driver.Configuration;
  import org.agrona.SystemUtil;
  import org.agrona.concurrent.IdleStrategy;
  
  /**
   * Configuration used for samples with defaults which can be overridden by system properties.
   */
  @SuppressWarnings("JavadocVariable")
  public class SampleConfiguration
  {
      public static final String CHANNEL_PROP = "aeron.sample.channel";
      public static final String STREAM_ID_PROP = "aeron.sample.streamId";
  
      public static final String PING_CHANNEL_PROP = "aeron.sample.ping.channel";
      public static final String PONG_CHANNEL_PROP = "aeron.sample.pong.channel";
      public static final String PING_STREAM_ID_PROP = "aeron.sample.ping.streamId";
      public static final String PONG_STREAM_ID_PROP = "aeron.sample.pong.streamId";
      public static final String WARMUP_NUMBER_OF_MESSAGES_PROP = "aeron.sample.warmup.messages";
      public static final String WARMUP_NUMBER_OF_ITERATIONS_PROP = "aeron.sample.warmup.iterations";
      public static final String RANDOM_MESSAGE_LENGTH_PROP = "aeron.sample.randomMessageLength";
  
      public static final String FRAME_COUNT_LIMIT_PROP = "aeron.sample.frameCountLimit";
      public static final String MESSAGE_LENGTH_PROP = "aeron.sample.messageLength";
      public static final String NUMBER_OF_MESSAGES_PROP = "aeron.sample.messages";
      public static final String LINGER_TIMEOUT_MS_PROP = "aeron.sample.lingerTimeout";
      public static final String EMBEDDED_MEDIA_DRIVER_PROP = "aeron.sample.embeddedMediaDriver";
      public static final String EXCLUSIVE_PUBLICATIONS_PROP = "aeron.sample.exclusive.publications";
      public static final String IDLE_STRATEGY_PROP = "aeron.sample.idleStrategy";
  
      public static final String CHANNEL;
      public static final String PING_CHANNEL;
      public static final String PONG_CHANNEL;
      public static final String IDLE_STRATEGY_NAME;
  
      public static final boolean EMBEDDED_MEDIA_DRIVER;
      public static final boolean RANDOM_MESSAGE_LENGTH;
      public static final int STREAM_ID;
      public static final int PING_STREAM_ID;
      public static final int PONG_STREAM_ID;
      public static final int FRAGMENT_COUNT_LIMIT;
      public static final int MESSAGE_LENGTH;
      public static final int WARMUP_NUMBER_OF_ITERATIONS;
      public static final long WARMUP_NUMBER_OF_MESSAGES;
      public static final long NUMBER_OF_MESSAGES;
      public static final long LINGER_TIMEOUT_MS;
      public static final boolean EXCLUSIVE_PUBLICATIONS;
  
      static
      {
          CHANNEL = System.getProperty(CHANNEL_PROP, "aeron:udp?endpoint=localhost:20121");
          STREAM_ID = Integer.getInteger(STREAM_ID_PROP, 1001);
          PING_CHANNEL = System.getProperty(PING_CHANNEL_PROP, "aeron:udp?endpoint=localhost:20123");
          PONG_CHANNEL = System.getProperty(PONG_CHANNEL_PROP, "aeron:udp?endpoint=localhost:20124");
          IDLE_STRATEGY_NAME = System.getProperty(IDLE_STRATEGY_PROP, "org.agrona.concurrent.BusySpinIdleStrategy");
          LINGER_TIMEOUT_MS = Long.getLong(LINGER_TIMEOUT_MS_PROP, 0);
          PING_STREAM_ID = Integer.getInteger(PING_STREAM_ID_PROP, 1002);
          PONG_STREAM_ID = Integer.getInteger(PONG_STREAM_ID_PROP, 1003);
          FRAGMENT_COUNT_LIMIT = Integer.getInteger(FRAME_COUNT_LIMIT_PROP, 10);
          MESSAGE_LENGTH = SystemUtil.getSizeAsInt(MESSAGE_LENGTH_PROP, 32);
          RANDOM_MESSAGE_LENGTH = "true".equals(System.getProperty(RANDOM_MESSAGE_LENGTH_PROP));
          NUMBER_OF_MESSAGES = Long.getLong(NUMBER_OF_MESSAGES_PROP, 10_000_000);
          WARMUP_NUMBER_OF_MESSAGES = Long.getLong(WARMUP_NUMBER_OF_MESSAGES_PROP, 10_000);
          WARMUP_NUMBER_OF_ITERATIONS = Integer.getInteger(WARMUP_NUMBER_OF_ITERATIONS_PROP, 10);
          EMBEDDED_MEDIA_DRIVER = "true".equals(System.getProperty(EMBEDDED_MEDIA_DRIVER_PROP));
          EXCLUSIVE_PUBLICATIONS = "true".equals(System.getProperty(EXCLUSIVE_PUBLICATIONS_PROP));
      }
  
      /**
       * Create a new {@link IdleStrategy} based on the {@link #IDLE_STRATEGY_NAME}.
       *
       * @return a new {@link IdleStrategy} based on the {@link #IDLE_STRATEGY_NAME}.
       */
      public static IdleStrategy newIdleStrategy()
      {
          return Configuration.agentIdleStrategy(IDLE_STRATEGY_NAME, null);
      }
  }
  