content: /*
   * Copyright 2021-2024 Aklivity Inc.
   *
   * Aklivity 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.
   */
  package io.aklivity.zilla.runtime.binding.http.internal.codec;
  
  import static java.nio.ByteOrder.BIG_ENDIAN;
  
  import org.agrona.DirectBuffer;
  import org.agrona.MutableDirectBuffer;
  
  import io.aklivity.zilla.runtime.binding.http.internal.types.Flyweight;
  
  /*
      Flyweight for HTTP2 SETTINGS frame
  
      +-------------------------------+
      |     Identifier (16)           |
      +-------------------------------+-------------------------------+
      |                        Value (32)                             |
      +---------------------------------------------------------------+
  
   */
  public class Http2SettingFW extends Flyweight
  {
  
      public int id()
      {
          return buffer().getShort(offset(), BIG_ENDIAN);
      }
  
      public int value()
      {
          return buffer().getInt(offset() + 2, BIG_ENDIAN);
      }
  
      @Override
      public int limit()
      {
          return offset() + 6;
      }
  
      @Override
      public Http2SettingFW wrap(DirectBuffer buffer, int offset, int maxLimit)
      {
          super.wrap(buffer, offset, maxLimit);
  
          checkLimit(limit(), maxLimit);
  
          return this;
      }
  
      public static final class Builder extends Flyweight.Builder<Http2SettingFW>
      {
          public Builder()
          {
              super(new Http2SettingFW());
          }
  
          @Override
          public Builder wrap(MutableDirectBuffer buffer, int offset, int maxLimit)
          {
              super.wrap(buffer, offset, maxLimit);
              return this;
          }
  
          public Builder setting(int id, long value)
          {
              buffer().putShort(offset(), (short) id, BIG_ENDIAN);
              buffer().putInt(offset() + 2, (int) value, BIG_ENDIAN);
              super.limit(offset() + 6);
              return this;
          }
      }
  }
  
  