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.engine.test.internal.k3po.ext.behavior.handler;
  
  import static io.aklivity.k3po.runtime.driver.internal.behavior.handler.event.AbstractEventHandler.ChannelEventKind.BOUND;
  import static io.aklivity.k3po.runtime.driver.internal.behavior.handler.event.AbstractEventHandler.ChannelEventKind.CONNECTED;
  import static io.aklivity.k3po.runtime.driver.internal.behavior.handler.event.AbstractEventHandler.ChannelEventKind.INTEREST_OPS;
  import static io.aklivity.zilla.runtime.engine.test.internal.k3po.ext.behavior.ZillaTransmission.HALF_DUPLEX;
  
  import java.util.EnumSet;
  
  import org.jboss.netty.channel.ChannelHandlerContext;
  import org.jboss.netty.channel.ChannelStateEvent;
  
  import io.aklivity.k3po.runtime.driver.internal.behavior.handler.codec.ChannelDecoder;
  import io.aklivity.zilla.runtime.engine.test.internal.k3po.ext.behavior.ZillaChannel;
  
  public class ReadBeginExtHandler extends AbstractReadExtHandler
  {
      public ReadBeginExtHandler(
          ChannelDecoder decoder)
      {
          super(EnumSet.of(BOUND, CONNECTED, INTEREST_OPS),
                  EnumSet.of(BOUND, CONNECTED, INTEREST_OPS),
                  decoder);
      }
  
      @Override
      public void channelBound(
          ChannelHandlerContext ctx,
          ChannelStateEvent e) throws Exception
      {
          // eager server
          if (ctx.getChannel().getParent() != null)
          {
              doReadExtension(ctx);
          }
  
          super.channelBound(ctx, e);
      }
  
      @Override
      public void channelConnected(
          ChannelHandlerContext ctx,
          ChannelStateEvent e) throws Exception
      {
          // lazy client (not HALF_DUPLEX)
          ZillaChannel channel = (ZillaChannel) ctx.getChannel();
          if (channel.getParent() == null &&
              channel.getConfig().getTransmission() != HALF_DUPLEX)
          {
              doReadExtension(ctx);
          }
  
          super.channelConnected(ctx, e);
      }
  
      @Override
      public void channelInterestChanged(
          ChannelHandlerContext ctx,
          ChannelStateEvent e) throws Exception
      {
          // lazy client (HALF_DUPLEX)
          ZillaChannel channel = (ZillaChannel) ctx.getChannel();
          if (channel.getParent() == null &&
              channel.getConfig().getTransmission() == HALF_DUPLEX)
          {
              doReadExtension(ctx);
          }
  
          super.channelInterestChanged(ctx, e);
      }
  }
  