/*
    * Copyright 2015 The Netty Project
    *
    * The Netty Project 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.netty.channel.epoll;
  
  import io.netty.buffer.ByteBufAllocator;
  import io.netty.channel.ChannelOption;
  import io.netty.channel.MessageSizeEstimator;
  import io.netty.channel.RecvByteBufAllocator;
  import io.netty.channel.unix.DomainSocketChannelConfig;
  import io.netty.channel.unix.DomainSocketReadMode;
  
  import java.util.Map;
  
  public final class EpollDomainSocketChannelConfig extends EpollChannelConfig
          implements DomainSocketChannelConfig {
      private volatile DomainSocketReadMode mode = DomainSocketReadMode.BYTES;
  
      EpollDomainSocketChannelConfig(AbstractEpollChannel channel) {
          super(channel);
          // Make it consistent with NIO.
          setMaxMessagesPerRead(16);
      }
  
      @Override
      public Map<ChannelOption<?>, Object> getOptions() {
          return getOptions(super.getOptions(), EpollChannelOption.DOMAIN_SOCKET_READ_MODE);
      }
  
      @SuppressWarnings("unchecked")
      @Override
      public <T> T getOption(ChannelOption<T> option) {
          if (option == EpollChannelOption.DOMAIN_SOCKET_READ_MODE) {
              return (T) getReadMode();
          }
          return super.getOption(option);
      }
  
      @Override
      public <T> boolean setOption(ChannelOption<T> option, T value) {
          validate(option, value);
  
          if (option == EpollChannelOption.DOMAIN_SOCKET_READ_MODE) {
              setReadMode((DomainSocketReadMode) value);
          } else {
              return super.setOption(option, value);
          }
  
          return true;
      }
      @Override
      public EpollDomainSocketChannelConfig setMaxMessagesPerRead(int maxMessagesPerRead) {
          super.setMaxMessagesPerRead(maxMessagesPerRead);
          return this;
      }
  
      @Override
      public EpollDomainSocketChannelConfig setConnectTimeoutMillis(int connectTimeoutMillis) {
          super.setConnectTimeoutMillis(connectTimeoutMillis);
          return this;
      }
  
      @Override
      public EpollDomainSocketChannelConfig setWriteSpinCount(int writeSpinCount) {
          super.setWriteSpinCount(writeSpinCount);
          return this;
      }
  
      @Override
      public EpollDomainSocketChannelConfig setRecvByteBufAllocator(RecvByteBufAllocator allocator) {
          super.setRecvByteBufAllocator(allocator);
          return this;
      }
  
      @Override
      public EpollDomainSocketChannelConfig setAllocator(ByteBufAllocator allocator) {
          super.setAllocator(allocator);
          return this;
      }
  
      @Override
      public EpollDomainSocketChannelConfig setAutoClose(boolean autoClose) {
          super.setAutoClose(autoClose);
          return this;
      }
  
      @Override
     public EpollDomainSocketChannelConfig setMessageSizeEstimator(MessageSizeEstimator estimator) {
         super.setMessageSizeEstimator(estimator);
         return this;
     }
 
     @Override
     public EpollDomainSocketChannelConfig setWriteBufferLowWaterMark(int writeBufferLowWaterMark) {
         super.setWriteBufferLowWaterMark(writeBufferLowWaterMark);
         return this;
     }
 
     @Override
     public EpollDomainSocketChannelConfig setWriteBufferHighWaterMark(int writeBufferHighWaterMark) {
         super.setWriteBufferHighWaterMark(writeBufferHighWaterMark);
         return this;
     }
 
     @Override
     public EpollDomainSocketChannelConfig setAutoRead(boolean autoRead) {
         super.setAutoRead(autoRead);
         return this;
     }
 
     @Override
     public EpollDomainSocketChannelConfig setEpollMode(EpollMode mode) {
         super.setEpollMode(mode);
         return this;
     }
 
     @Override
     public EpollDomainSocketChannelConfig setReadMode(DomainSocketReadMode mode) {
         if (mode == null) {
             throw new NullPointerException("mode");
         }
         this.mode = mode;
         return this;
     }
 
     @Override
     public DomainSocketReadMode getReadMode() {
         return mode;
     }
 }