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.status;
  
  import io.aeron.AeronCounters;
  import org.agrona.MutableDirectBuffer;
  import org.agrona.concurrent.status.AtomicCounter;
  import org.agrona.concurrent.status.CountersManager;
  
  /**
   * Count the number of NAK messages received by the Sender. This is a per-stream event count for
   * that which is aggregated in {@link SystemCounterDescriptor#NAK_MESSAGES_RECEIVED}.
   */
  public class SenderNaksReceived
  {
      /**
       * Type id of a counter.
       */
      public static final int TYPE_ID = AeronCounters.DRIVER_SENDER_NAKS_RECEIVED_TYPE_ID;
  
      /**
       * Human-readable name for the counter.
       */
      public static final String NAME = "snd-naks-received";
  
      /**
       * Allocate a new sender back-pressure counter for a stream.
       *
       * @param tempBuffer      to build the label.
       * @param countersManager to allocate the counter from.
       * @param registrationId  associated with the counter.
       * @param sessionId       associated with the counter.
       * @param streamId        associated with the counter.
       * @param channel         associated with the counter.
       * @return the allocated counter.
       */
      public static AtomicCounter allocate(
          final MutableDirectBuffer tempBuffer,
          final CountersManager countersManager,
          final long registrationId,
          final int sessionId,
          final int streamId,
          final String channel)
      {
          final int counterId = StreamCounter.allocateCounterId(
              tempBuffer,
              NAME,
              TYPE_ID,
              countersManager,
              registrationId,
              sessionId,
              streamId,
              channel);
  
          return new AtomicCounter(countersManager.valuesBuffer(), counterId, countersManager);
      }
  }
  