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1   /*
2    *  Licensed to the Apache Software Foundation (ASF) under one
3    *  or more contributor license agreements.  See the NOTICE file
4    *  distributed with this work for additional information
5    *  regarding copyright ownership.  The ASF licenses this file
6    *  to you under the Apache License, Version 2.0 (the
7    *  "License"); you may not use this file except in compliance
8    *  with the License.  You may obtain a copy of the License at
9    *
10   *    http://www.apache.org/licenses/LICENSE-2.0
11   *
12   *  Unless required by applicable law or agreed to in writing,
13   *  software distributed under the License is distributed on an
14   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   *  KIND, either express or implied.  See the License for the
16   *  specific language governing permissions and limitations
17   *  under the License.
18   *
19   */
20  package org.apache.mina.transport.socket.nio;
21  
22  import java.io.IOException;
23  import java.net.ServerSocket;
24  
25  import org.apache.mina.common.ExceptionMonitor;
26  import org.apache.mina.common.IoAcceptorConfig;
27  import org.apache.mina.common.RuntimeIOException;
28  import org.apache.mina.common.support.BaseIoAcceptorConfig;
29  
30  /**
31   * An {@link IoAcceptorConfig} for {@link SocketAcceptor}.
32   *
33   * @author The Apache Directory Project (mina-dev@directory.apache.org)
34   * @version $Rev: 587373 $, $Date: 2007-10-23 11:54:05 +0900 (Tue, 23 Oct 2007) $
35   */
36  public class SocketAcceptorConfig extends BaseIoAcceptorConfig {
37      private SocketSessionConfig sessionConfig = new SocketSessionConfigImpl();
38  
39      private int backlog = 50;
40  
41      private boolean reuseAddress;
42  
43      /**
44       * Creates a new instance.
45       *
46       * @throws RuntimeIOException if failed to get the default configuration
47       */
48      public SocketAcceptorConfig() {
49          ServerSocket s = null;
50          try {
51              s = new ServerSocket();
52              reuseAddress = s.getReuseAddress();
53          } catch (IOException e) {
54              throw new RuntimeIOException(
55                      "Failed to get the default configuration.", e);
56          } finally {
57              if (s != null) {
58                  try {
59                      s.close();
60                  } catch (IOException e) {
61                      ExceptionMonitor.getInstance().exceptionCaught(e);
62                  }
63              }
64          }
65  
66          sessionConfig.setReuseAddress(true);
67      }
68  
69      public SocketSessionConfig getSessionConfig() {
70          return sessionConfig;
71      }
72  
73      /**
74       * @see ServerSocket#getReuseAddress()
75       */
76      public boolean isReuseAddress() {
77          return reuseAddress;
78      }
79  
80      /**
81       * @see ServerSocket#setReuseAddress(boolean)
82       */
83      public void setReuseAddress(boolean reuseAddress) {
84          this.reuseAddress = reuseAddress;
85      }
86  
87      public int getBacklog() {
88          return backlog;
89      }
90  
91      public void setBacklog(int backlog) {
92          this.backlog = backlog;
93      }
94  }