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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.DatagramSocket;
23  
24  /**
25   * A default implementation of {@link DatagramSessionConfig}.
26   *
27   * @author <a href="http://mina.apache.org">Apache MINA Project</a>
28   */
29  public class DefaultDatagramSessionConfig extends AbstractDatagramSessionConfig {
30      private static boolean DEFAULT_BROADCAST = false;
31  
32      private static boolean DEFAULT_REUSE_ADDRESS = false;
33  
34      /* The SO_RCVBUF parameter. Set to -1 (ie, will default to OS default) */
35      private static int DEFAULT_RECEIVE_BUFFER_SIZE = -1;
36  
37      /* The SO_SNDBUF parameter. Set to -1 (ie, will default to OS default) */
38      private static int DEFAULT_SEND_BUFFER_SIZE = -1;
39  
40      private static int DEFAULT_TRAFFIC_CLASS = 0;
41  
42      private boolean broadcast = DEFAULT_BROADCAST;
43  
44      private boolean reuseAddress = DEFAULT_REUSE_ADDRESS;
45  
46      private int receiveBufferSize = DEFAULT_RECEIVE_BUFFER_SIZE;
47  
48      private int sendBufferSize = DEFAULT_SEND_BUFFER_SIZE;
49  
50      private int trafficClass = DEFAULT_TRAFFIC_CLASS;
51  
52      /**
53       * Creates a new instance.
54       */
55      public DefaultDatagramSessionConfig() {
56          // Do nothing
57      }
58  
59      /**
60       * @see DatagramSocket#getBroadcast()
61       */
62      public boolean isBroadcast() {
63          return broadcast;
64      }
65  
66      /**
67       * @see DatagramSocket#setBroadcast(boolean)
68       */
69      public void setBroadcast(boolean broadcast) {
70          this.broadcast = broadcast;
71      }
72  
73      /**
74       * @see DatagramSocket#getReuseAddress()
75       */
76      public boolean isReuseAddress() {
77          return reuseAddress;
78      }
79  
80      /**
81       * @see DatagramSocket#setReuseAddress(boolean)
82       */
83      public void setReuseAddress(boolean reuseAddress) {
84          this.reuseAddress = reuseAddress;
85      }
86  
87      /**
88       * @see DatagramSocket#getReceiveBufferSize()
89       */
90      public int getReceiveBufferSize() {
91          return receiveBufferSize;
92      }
93  
94      /**
95       * @see DatagramSocket#setReceiveBufferSize(int)
96       */
97      public void setReceiveBufferSize(int receiveBufferSize) {
98          this.receiveBufferSize = receiveBufferSize;
99      }
100 
101     /**
102      * @see DatagramSocket#getSendBufferSize()
103      */
104     public int getSendBufferSize() {
105         return sendBufferSize;
106     }
107 
108     /**
109      * @see DatagramSocket#setSendBufferSize(int)
110      */
111     public void setSendBufferSize(int sendBufferSize) {
112         this.sendBufferSize = sendBufferSize;
113     }
114 
115     /**
116      * @see DatagramSocket#getTrafficClass()
117      */
118     public int getTrafficClass() {
119         return trafficClass;
120     }
121 
122     /**
123      * @see DatagramSocket#setTrafficClass(int)
124      */
125     public void setTrafficClass(int trafficClass) {
126         this.trafficClass = trafficClass;
127     }
128 
129     @Override
130     protected boolean isBroadcastChanged() {
131         return broadcast != DEFAULT_BROADCAST;
132     }
133 
134     @Override
135     protected boolean isReceiveBufferSizeChanged() {
136         return receiveBufferSize != DEFAULT_RECEIVE_BUFFER_SIZE;
137     }
138 
139     @Override
140     protected boolean isReuseAddressChanged() {
141         return reuseAddress != DEFAULT_REUSE_ADDRESS;
142     }
143 
144     @Override
145     protected boolean isSendBufferSizeChanged() {
146         return sendBufferSize != DEFAULT_SEND_BUFFER_SIZE;
147     }
148 
149     @Override
150     protected boolean isTrafficClassChanged() {
151         return trafficClass != DEFAULT_TRAFFIC_CLASS;
152     }
153 
154 }