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 org.apache.mina.core.session.AbstractIoSessionConfig;
23 import org.apache.mina.core.session.IoSessionConfig;
24
25 /**
26 * The Datagram transport session configuration.
27 *
28 * @author <a href="http://mina.apache.org">Apache MINA Project</a>
29 */
30 public abstract class AbstractDatagramSessionConfig extends AbstractIoSessionConfig implements DatagramSessionConfig {
31 /** Tells if we should close the session if the port is unreachable. Default to true */
32 private boolean closeOnPortUnreachable = true;
33
34 /**
35 * {@inheritDoc}
36 */
37 @Override
38 public void setAll(IoSessionConfig config) {
39 super.setAll(config);
40
41 if (!(config instanceof DatagramSessionConfig)) {
42 return;
43 }
44
45 if (config instanceof AbstractDatagramSessionConfig) {
46 // Minimize unnecessary system calls by checking all 'propertyChanged' properties.
47 AbstractDatagramSessionConfigpache/mina/transport/socket/AbstractDatagramSessionConfig.html#AbstractDatagramSessionConfig">AbstractDatagramSessionConfig cfg = (AbstractDatagramSessionConfig) config;
48
49 if (cfg.isBroadcastChanged()) {
50 setBroadcast(cfg.isBroadcast());
51 }
52
53 if (cfg.isReceiveBufferSizeChanged()) {
54 setReceiveBufferSize(cfg.getReceiveBufferSize());
55 }
56
57 if (cfg.isReuseAddressChanged()) {
58 setReuseAddress(cfg.isReuseAddress());
59 }
60
61 if (cfg.isSendBufferSizeChanged()) {
62 setSendBufferSize(cfg.getSendBufferSize());
63 }
64
65 if (cfg.isTrafficClassChanged() && getTrafficClass() != cfg.getTrafficClass()) {
66 setTrafficClass(cfg.getTrafficClass());
67 }
68 } else {
69 DatagramSessionConfig../org/apache/mina/transport/socket/DatagramSessionConfig.html#DatagramSessionConfig">DatagramSessionConfig cfg = (DatagramSessionConfig) config;
70 setBroadcast(cfg.isBroadcast());
71 setReceiveBufferSize(cfg.getReceiveBufferSize());
72 setReuseAddress(cfg.isReuseAddress());
73 setSendBufferSize(cfg.getSendBufferSize());
74
75 if (getTrafficClass() != cfg.getTrafficClass()) {
76 setTrafficClass(cfg.getTrafficClass());
77 }
78 }
79 }
80
81 /**
82 * @return <tt>true</tt> if and only if the <tt>broadcast</tt> property
83 * has been changed by its setter method. The system call related with
84 * the property is made only when this method returns <tt>true</tt>. By
85 * default, this method always returns <tt>true</tt> to simplify implementation
86 * of subclasses, but overriding the default behavior is always encouraged.
87 */
88 protected boolean isBroadcastChanged() {
89 return true;
90 }
91
92 /**
93 * @return <tt>true</tt> if and only if the <tt>receiveBufferSize</tt> property
94 * has been changed by its setter method. The system call related with
95 * the property is made only when this method returns <tt>true</tt>. By
96 * default, this method always returns <tt>true</tt> to simplify implementation
97 * of subclasses, but overriding the default behavior is always encouraged.
98 */
99 protected boolean isReceiveBufferSizeChanged() {
100 return true;
101 }
102
103 /**
104 * @return <tt>true</tt> if and only if the <tt>reuseAddress</tt> property
105 * has been changed by its setter method. The system call related with
106 * the property is made only when this method returns <tt>true</tt>. By
107 * default, this method always returns <tt>true</tt> to simplify implementation
108 * of subclasses, but overriding the default behavior is always encouraged.
109 */
110 protected boolean isReuseAddressChanged() {
111 return true;
112 }
113
114 /**
115 * @return <tt>true</tt> if and only if the <tt>sendBufferSize</tt> property
116 * has been changed by its setter method. The system call related with
117 * the property is made only when this method returns <tt>true</tt>. By
118 * default, this method always returns <tt>true</tt> to simplify implementation
119 * of subclasses, but overriding the default behavior is always encouraged.
120 */
121 protected boolean isSendBufferSizeChanged() {
122 return true;
123 }
124
125 /**
126 * @return <tt>true</tt> if and only if the <tt>trafficClass</tt> property
127 * has been changed by its setter method. The system call related with
128 * the property is made only when this method returns <tt>true</tt>. By
129 * default, this method always returns <tt>true</tt> to simplify implementation
130 * of subclasses, but overriding the default behavior is always encouraged.
131 */
132 protected boolean isTrafficClassChanged() {
133 return true;
134 }
135
136 /**
137 * {@inheritDoc}
138 */
139 @Override
140 public boolean isCloseOnPortUnreachable() {
141 return closeOnPortUnreachable;
142 }
143
144 /**
145 * {@inheritDoc}
146 */
147 @Override
148 public void setCloseOnPortUnreachable(boolean closeOnPortUnreachable) {
149 this.closeOnPortUnreachable = closeOnPortUnreachable;
150 }
151 }