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1   /*
2    * Copyright 2013 The Netty Project
3    *
4    * The Netty Project licenses this file to you under the Apache License,
5    * version 2.0 (the "License"); you may not use this file except in compliance
6    * with the License. You may obtain a copy of the License at:
7    *
8    *   http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations
14   * under the License.
15   */
16  package io.netty.channel.socket.oio;
17  
18  import io.netty.buffer.ByteBufAllocator;
19  import io.netty.channel.ChannelException;
20  import io.netty.channel.ChannelOption;
21  import io.netty.channel.MessageSizeEstimator;
22  import io.netty.channel.RecvByteBufAllocator;
23  import io.netty.channel.socket.DefaultServerSocketChannelConfig;
24  import io.netty.channel.socket.ServerSocketChannel;
25  
26  import java.io.IOException;
27  import java.net.ServerSocket;
28  import java.util.Map;
29  
30  import static io.netty.channel.ChannelOption.*;
31  
32  /**
33   * Default {@link OioServerSocketChannelConfig} implementation
34   */
35  public class DefaultOioServerSocketChannelConfig extends DefaultServerSocketChannelConfig implements
36          OioServerSocketChannelConfig {
37  
38      @Deprecated
39      public DefaultOioServerSocketChannelConfig(ServerSocketChannel channel, ServerSocket javaSocket) {
40          super(channel, javaSocket);
41      }
42  
43      DefaultOioServerSocketChannelConfig(OioServerSocketChannel channel, ServerSocket javaSocket) {
44          super(channel, javaSocket);
45      }
46  
47      @Override
48      public Map<ChannelOption<?>, Object> getOptions() {
49          return getOptions(
50                  super.getOptions(), SO_TIMEOUT);
51      }
52  
53      @SuppressWarnings("unchecked")
54      @Override
55      public <T> T getOption(ChannelOption<T> option) {
56          if (option == SO_TIMEOUT) {
57              return (T) Integer.valueOf(getSoTimeout());
58          }
59          return super.getOption(option);
60      }
61  
62      @Override
63      public <T> boolean setOption(ChannelOption<T> option, T value) {
64          validate(option, value);
65  
66          if (option == SO_TIMEOUT) {
67              setSoTimeout((Integer) value);
68          } else {
69              return super.setOption(option, value);
70          }
71          return true;
72      }
73  
74      @Override
75      public OioServerSocketChannelConfig setSoTimeout(int timeout) {
76          try {
77              javaSocket.setSoTimeout(timeout);
78          } catch (IOException e) {
79              throw new ChannelException(e);
80          }
81          return this;
82      }
83  
84      @Override
85      public int getSoTimeout() {
86          try {
87              return javaSocket.getSoTimeout();
88          } catch (IOException e) {
89              throw new ChannelException(e);
90          }
91      }
92  
93      @Override
94      public OioServerSocketChannelConfig setBacklog(int backlog) {
95          super.setBacklog(backlog);
96          return this;
97      }
98  
99      @Override
100     public OioServerSocketChannelConfig setReuseAddress(boolean reuseAddress) {
101         super.setReuseAddress(reuseAddress);
102         return this;
103     }
104 
105     @Override
106     public OioServerSocketChannelConfig setReceiveBufferSize(int receiveBufferSize) {
107         super.setReceiveBufferSize(receiveBufferSize);
108         return this;
109     }
110 
111     @Override
112     public OioServerSocketChannelConfig setPerformancePreferences(int connectionTime, int latency, int bandwidth) {
113         super.setPerformancePreferences(connectionTime, latency, bandwidth);
114         return this;
115     }
116 
117     @Override
118     public OioServerSocketChannelConfig setConnectTimeoutMillis(int connectTimeoutMillis) {
119         super.setConnectTimeoutMillis(connectTimeoutMillis);
120         return this;
121     }
122 
123     @Override
124     public OioServerSocketChannelConfig setMaxMessagesPerRead(int maxMessagesPerRead) {
125         super.setMaxMessagesPerRead(maxMessagesPerRead);
126         return this;
127     }
128 
129     @Override
130     public OioServerSocketChannelConfig setWriteSpinCount(int writeSpinCount) {
131         super.setWriteSpinCount(writeSpinCount);
132         return this;
133     }
134 
135     @Override
136     public OioServerSocketChannelConfig setAllocator(ByteBufAllocator allocator) {
137         super.setAllocator(allocator);
138         return this;
139     }
140 
141     @Override
142     public OioServerSocketChannelConfig setRecvByteBufAllocator(RecvByteBufAllocator allocator) {
143         super.setRecvByteBufAllocator(allocator);
144         return this;
145     }
146 
147     @Override
148     public OioServerSocketChannelConfig setAutoRead(boolean autoRead) {
149         super.setAutoRead(autoRead);
150         return this;
151     }
152 
153     @Override
154     protected void autoReadCleared() {
155         if (channel instanceof OioServerSocketChannel) {
156             ((OioServerSocketChannel) channel).setReadPending(false);
157         }
158     }
159 
160     @Override
161     public OioServerSocketChannelConfig setWriteBufferHighWaterMark(int writeBufferHighWaterMark) {
162         super.setWriteBufferHighWaterMark(writeBufferHighWaterMark);
163         return this;
164     }
165 
166     @Override
167     public OioServerSocketChannelConfig setWriteBufferLowWaterMark(int writeBufferLowWaterMark) {
168         super.setWriteBufferLowWaterMark(writeBufferLowWaterMark);
169         return this;
170     }
171 
172     @Override
173     public OioServerSocketChannelConfig setMessageSizeEstimator(MessageSizeEstimator estimator) {
174         super.setMessageSizeEstimator(estimator);
175         return this;
176     }
177 }