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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;
21  
22  import java.net.InetSocketAddress;
23  import java.net.ServerSocket;
24  import java.util.Set;
25  
26  import org.apache.mina.core.service.IoAcceptor;
27  
28  /**
29   * {@link IoAcceptor} for socket transport (TCP/IP).  This class
30   * handles incoming TCP/IP based socket connections.
31   *
32   * @author <a href="http://mina.apache.org">Apache MINA Project</a>
33   */
34  public interface SocketAcceptor extends IoAcceptor {
35      /**
36       * Returns the local InetSocketAddress which is bound currently.  If more than one
37       * address are bound, only one of them will be returned, but it's not
38       * necessarily the firstly bound address.
39       * This method overrides the {@link IoAcceptor#getLocalAddress()} method.
40       */
41      InetSocketAddress getLocalAddress();
42  
43      /**
44       * Returns a {@link Set} of the local InetSocketAddress which are bound currently.
45       * This method overrides the {@link IoAcceptor#getDefaultLocalAddress()} method.
46       */
47      InetSocketAddress getDefaultLocalAddress();
48  
49      /**
50       * Sets the default local InetSocketAddress to bind when no argument is specified in
51       * {@link #bind()} method. Please note that the default will not be used
52       * if any local InetSocketAddress is specified.
53       * This method overrides the {@link IoAcceptor#setDefaultLocalAddress()} method.
54       */
55      void setDefaultLocalAddress(InetSocketAddress localAddress);
56  
57      /**
58       * @see ServerSocket#getReuseAddress()
59       */
60      public boolean isReuseAddress();
61  
62      /**
63       * @see ServerSocket#setReuseAddress(boolean)
64       */
65      public void setReuseAddress(boolean reuseAddress);
66  
67      /**
68       * Returns the size of the backlog.
69       */
70      public int getBacklog();
71  
72      /**
73       * Sets the size of the backlog.  This can only be done when this
74       * class is not bound
75       */
76      public void setBacklog(int backlog);
77  
78      /**
79       * Returns the default configuration of the new SocketSessions created by 
80       * this acceptor service.
81       */
82      SocketSessionConfig getSessionConfig();
83  }