Mercurial > hg > blitz_stable

annotate src/com/go/trove/net/FilteredSocket.java @ 27:511648fa4d64 Version 2.1

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Version to 2.1
author Dan Creswell <dan.creswell@gmail.com>
date Mon, 04 Jan 2010 13:00:40 +0000
parents 3dc0c5604566
children
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1 /* ====================================================================
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2 * Trove - Copyright (c) 1997-2000 Walt Disney Internet Group
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3 * ====================================================================
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4 * The Tea Software License, Version 1.1
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5 *
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6 * Copyright (c) 2000 Walt Disney Internet Group. All rights reserved.
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7 *
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8 * Redistribution and use in source and binary forms, with or without
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9 * modification, are permitted provided that the following conditions
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10 * are met:
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11 *
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12 * 1. Redistributions of source code must retain the above copyright
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13 * notice, this list of conditions and the following disclaimer.
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14 *
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15 * 2. Redistributions in binary form must reproduce the above copyright
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16 * notice, this list of conditions and the following disclaimer in
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17 * the documentation and/or other materials provided with the
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18 * distribution.
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19 *
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20 * 3. The end-user documentation included with the redistribution,
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21 * if any, must include the following acknowledgment:
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22 * "This product includes software developed by the
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23 * Walt Disney Internet Group (http://opensource.go.com/)."
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24 * Alternately, this acknowledgment may appear in the software itself,
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25 * if and wherever such third-party acknowledgments normally appear.
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26 *
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27 * 4. The names "Tea", "TeaServlet", "Kettle", "Trove" and "BeanDoc" must
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28 * not be used to endorse or promote products derived from this
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29 * software without prior written permission. For written
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30 * permission, please contact opensource@dig.com.
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31 *
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32 * 5. Products derived from this software may not be called "Tea",
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33 * "TeaServlet", "Kettle" or "Trove", nor may "Tea", "TeaServlet",
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34 * "Kettle", "Trove" or "BeanDoc" appear in their name, without prior
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35 * written permission of the Walt Disney Internet Group.
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36 *
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37 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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38 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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39 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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40 * DISCLAIMED. IN NO EVENT SHALL THE WALT DISNEY INTERNET GROUP OR ITS
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41 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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42 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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43 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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44 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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45 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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46 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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47 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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48 * ====================================================================
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49 *
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50 * For more information about Tea, please see http://opensource.go.com/.
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51 */
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52
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53 package com.go.trove.net;
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54
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55 import java.net.*;
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56 import java.io.*;
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57
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58 /******************************************************************************
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59 * A Socket wrapper that passes all calls to an internal Socket. This class is
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60 * designed for subclasses to override or hook into the behavior of a Socket
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61 * instance.
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62 *
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63 * @author Brian S O'Neill
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64 * @version
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65 * <!--$$Revision: 1.1 $-->, <!--$$JustDate:--> 00/12/05 <!-- $-->
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66 */
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67 public class FilteredSocket extends Socket {
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68 protected final Socket mSocket;
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69
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70 public FilteredSocket(Socket socket) throws SocketException {
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71 super(new Impl(socket));
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72 mSocket = socket;
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73 }
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74
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75 // Implementation note: Java's socket API could use some improvement.
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76 // For example, java.net.Socket should be an interface. This would avoid
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77 // needing the ugly SocketImpl class provided instead.
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78
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79 private static class Impl extends SocketImpl {
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80 private Socket mSocket;
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81
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82 public Impl(Socket socket) {
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83 if (socket == null) {
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84 throw new IllegalArgumentException("Socket is null");
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85 }
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86 mSocket = socket;
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87 }
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88
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89 public void setOption(int optId, Object value) throws SocketException {
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90 switch (optId) {
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91 case TCP_NODELAY:
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92 mSocket.setTcpNoDelay(((Boolean)value).booleanValue());
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93 return;
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94 case SO_LINGER:
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95 if (value instanceof Boolean) {
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96 mSocket.setSoLinger(((Boolean)value).booleanValue(), 0);
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97 }
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98 else {
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99 mSocket.setSoLinger(true, ((Integer)value).intValue());
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100 }
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101 return;
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102 case SO_TIMEOUT:
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103 mSocket.setSoTimeout(((Integer)value).intValue());
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104 return;
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105 case SO_SNDBUF:
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106 mSocket.setSendBufferSize(((Integer)value).intValue());
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107 return;
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108 case SO_RCVBUF:
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109 mSocket.setReceiveBufferSize(((Integer)value).intValue());
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110 return;
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111 case SO_BINDADDR:
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112 case SO_REUSEADDR:
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113 case IP_MULTICAST_IF:
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114 default:
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115 throw new SocketException("Invalid option: " + optId);
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116 }
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117 }
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118
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119 public Object getOption(int optId) throws SocketException {
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120 switch (optId) {
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121 case TCP_NODELAY:
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122 return mSocket.getTcpNoDelay() ? Boolean.TRUE : Boolean.FALSE;
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123 case SO_BINDADDR:
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124 return mSocket.getLocalAddress();
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125 case SO_LINGER:
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126 return new Integer(mSocket.getSoLinger());
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127 case SO_TIMEOUT:
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128 return new Integer(mSocket.getSoTimeout());
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129 case SO_SNDBUF:
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130 return new Integer(mSocket.getSendBufferSize());
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131 case SO_RCVBUF:
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132 return new Integer(mSocket.getReceiveBufferSize());
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Dan Creswell <dan.creswell@gmail.com>
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133 case SO_REUSEADDR:
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Dan Creswell <dan.creswell@gmail.com>
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134 case IP_MULTICAST_IF:
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Dan Creswell <dan.creswell@gmail.com>
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135 default:
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136 throw new SocketException("Invalid option: " + optId);
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Dan Creswell <dan.creswell@gmail.com>
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137 }
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Dan Creswell <dan.creswell@gmail.com>
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138 }
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Dan Creswell <dan.creswell@gmail.com>
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139
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Dan Creswell <dan.creswell@gmail.com>
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140 protected void create(boolean stream) throws IOException {
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Dan Creswell <dan.creswell@gmail.com>
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141 error();
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Dan Creswell <dan.creswell@gmail.com>
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142 }
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Dan Creswell <dan.creswell@gmail.com>
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143
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Dan Creswell <dan.creswell@gmail.com>
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144 protected void connect(String host, int port) throws IOException {
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Dan Creswell <dan.creswell@gmail.com>
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145 error();
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Dan Creswell <dan.creswell@gmail.com>
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146 }
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Dan Creswell <dan.creswell@gmail.com>
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147
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148 protected void connect(InetAddress host, int port) throws IOException {
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149 error();
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Dan Creswell <dan.creswell@gmail.com>
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150 }
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Dan Creswell <dan.creswell@gmail.com>
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151
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Dan Creswell <dan.creswell@gmail.com>
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152 protected void connect(SocketAddress host,
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Dan Creswell <dan.creswell@gmail.com>
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153 int port) throws IOException {
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Dan Creswell <dan.creswell@gmail.com>
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154 error();
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Dan Creswell <dan.creswell@gmail.com>
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155 }
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Dan Creswell <dan.creswell@gmail.com>
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156
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Dan Creswell <dan.creswell@gmail.com>
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157 protected void bind(InetAddress host, int port) throws IOException {
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Dan Creswell <dan.creswell@gmail.com>
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158 error();
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Dan Creswell <dan.creswell@gmail.com>
parents:
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159 }
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Dan Creswell <dan.creswell@gmail.com>
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160
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Dan Creswell <dan.creswell@gmail.com>
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161 protected void listen(int backlog) throws IOException {
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Dan Creswell <dan.creswell@gmail.com>
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162 error();
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Dan Creswell <dan.creswell@gmail.com>
parents:
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163 }
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Dan Creswell <dan.creswell@gmail.com>
parents:
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164
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Dan Creswell <dan.creswell@gmail.com>
parents:
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165 protected void accept(SocketImpl s) throws IOException {
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Dan Creswell <dan.creswell@gmail.com>
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166 error();
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Dan Creswell <dan.creswell@gmail.com>
parents:
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167 }
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Dan Creswell <dan.creswell@gmail.com>
parents:
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168
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Dan Creswell <dan.creswell@gmail.com>
parents:
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169 protected InputStream getInputStream() throws IOException {
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Dan Creswell <dan.creswell@gmail.com>
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170 return mSocket.getInputStream();
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Dan Creswell <dan.creswell@gmail.com>
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171 }
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Dan Creswell <dan.creswell@gmail.com>
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172
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Dan Creswell <dan.creswell@gmail.com>
parents:
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173 protected OutputStream getOutputStream() throws IOException {
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Dan Creswell <dan.creswell@gmail.com>
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174 return mSocket.getOutputStream();
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Dan Creswell <dan.creswell@gmail.com>
parents:
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175 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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176
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Dan Creswell <dan.creswell@gmail.com>
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177 protected int available() throws IOException {
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Dan Creswell <dan.creswell@gmail.com>
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178 return getInputStream().available();
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Dan Creswell <dan.creswell@gmail.com>
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179 }
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Dan Creswell <dan.creswell@gmail.com>
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180
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Dan Creswell <dan.creswell@gmail.com>
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181 protected void close() throws IOException {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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182 mSocket.close();
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Dan Creswell <dan.creswell@gmail.com>
parents:
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183 }
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Dan Creswell <dan.creswell@gmail.com>
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184
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
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185 protected InetAddress getInetAddress() {
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
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186 return mSocket.getInetAddress();
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Dan Creswell <dan.creswell@gmail.com>
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187 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
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188
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Dan Creswell <dan.creswell@gmail.com>
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189 protected int getPort() {
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Dan Creswell <dan.creswell@gmail.com>
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190 return mSocket.getPort();
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Dan Creswell <dan.creswell@gmail.com>
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191 }
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Dan Creswell <dan.creswell@gmail.com>
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192
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Dan Creswell <dan.creswell@gmail.com>
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193 protected int getLocalPort() {
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Dan Creswell <dan.creswell@gmail.com>
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194 return mSocket.getLocalPort();
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Dan Creswell <dan.creswell@gmail.com>
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195 }
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Dan Creswell <dan.creswell@gmail.com>
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196
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Dan Creswell <dan.creswell@gmail.com>
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197 private void error() throws IOException {
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Dan Creswell <dan.creswell@gmail.com>
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198 throw new IOException("Socket already connected");
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Dan Creswell <dan.creswell@gmail.com>
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199 }
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Dan Creswell <dan.creswell@gmail.com>
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200
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
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201 protected void sendUrgentData(int aByte) throws IOException {
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Dan Creswell <dan.creswell@gmail.com>
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202 throw new UnsupportedOperationException();
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Dan Creswell <dan.creswell@gmail.com>
parents:
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203 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
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204 }
3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
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205 }