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1   /*
2    * Copyright 2009 Red Hat, Inc.
3    *
4    * Red Hat licenses this file to you under the Apache License, version 2.0
5    * (the "License"); you may not use this file except in compliance with the
6    * 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 org.jboss.netty.channel.socket.oio;
17  
18  import static org.jboss.netty.channel.Channels.*;
19  
20  import java.io.IOException;
21  import java.net.InetSocketAddress;
22  import java.net.ServerSocket;
23  import java.util.concurrent.locks.Lock;
24  import java.util.concurrent.locks.ReentrantLock;
25  
26  import org.jboss.netty.channel.AbstractServerChannel;
27  import org.jboss.netty.channel.ChannelException;
28  import org.jboss.netty.channel.ChannelFactory;
29  import org.jboss.netty.channel.ChannelPipeline;
30  import org.jboss.netty.channel.ChannelSink;
31  import org.jboss.netty.channel.socket.DefaultServerSocketChannelConfig;
32  import org.jboss.netty.channel.socket.ServerSocketChannel;
33  import org.jboss.netty.channel.socket.ServerSocketChannelConfig;
34  import org.jboss.netty.logging.InternalLogger;
35  import org.jboss.netty.logging.InternalLoggerFactory;
36  
37  /**
38   *
39   * @author <a href="http://www.jboss.org/netty/">The Netty Project</a>
40   * @author <a href="http://gleamynode.net/">Trustin Lee</a>
41   *
42   * @version $Rev: 2080 $, $Date: 2010-01-26 18:04:19 +0900 (Tue, 26 Jan 2010) $
43   *
44   */
45  class OioServerSocketChannel extends AbstractServerChannel
46                               implements ServerSocketChannel {
47  
48      private static final InternalLogger logger =
49          InternalLoggerFactory.getInstance(OioServerSocketChannel.class);
50  
51      final ServerSocket socket;
52      final Lock shutdownLock = new ReentrantLock();
53      private final ServerSocketChannelConfig config;
54  
55      OioServerSocketChannel(
56              ChannelFactory factory,
57              ChannelPipeline pipeline,
58              ChannelSink sink) {
59  
60          super(factory, pipeline, sink);
61  
62          try {
63              socket = new ServerSocket();
64          } catch (IOException e) {
65              throw new ChannelException(
66                      "Failed to open a server socket.", e);
67          }
68  
69          try {
70              socket.setSoTimeout(1000);
71          } catch (IOException e) {
72              try {
73                  socket.close();
74              } catch (IOException e2) {
75                  logger.warn(
76                          "Failed to close a partially initialized socket.", e2);
77              }
78              throw new ChannelException(
79                      "Failed to set the server socket timeout.", e);
80          }
81  
82          config = new DefaultServerSocketChannelConfig(socket);
83  
84          fireChannelOpen(this);
85      }
86  
87      public ServerSocketChannelConfig getConfig() {
88          return config;
89      }
90  
91      public InetSocketAddress getLocalAddress() {
92          return (InetSocketAddress) socket.getLocalSocketAddress();
93      }
94  
95      public InetSocketAddress getRemoteAddress() {
96          return null;
97      }
98  
99      public boolean isBound() {
100         return isOpen() && socket.isBound();
101     }
102 
103     @Override
104     protected boolean setClosed() {
105         return super.setClosed();
106     }
107 }