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/*
 * Copyright 2018 the original author or authors.
 *
 * 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
 *
 *    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 ratpack.http.client.internal;

import io.netty.bootstrap.Bootstrap;
import io.netty.channel.Channel;
import io.netty.channel.pool.ChannelPoolHandler;
import io.netty.channel.pool.FixedChannelPool;

public class CleanClosingFixedChannelPool extends FixedChannelPool {

  public CleanClosingFixedChannelPool(Bootstrap bootstrap, ChannelPoolHandler handler, int maxConnections, int maxPendingAcquires) {
    super(bootstrap, handler, maxConnections, maxPendingAcquires);
  }

  public void closeCleanly() {
    Channel channel = pollChannel();
    while (channel != null) {
      channel.close().awaitUninterruptibly();
      channel = pollChannel();
    }
    try {
      super.close();
    } catch (RuntimeException exception) {
      if (!(exception.getCause() instanceof InterruptedException)) {
        throw exception;
      }
    }
  }

}