1 /* |
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2 * Copyright 2001 Sun Microsystems, Inc. All Rights Reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Sun designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Sun in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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22 * CA 95054 USA or visit www.sun.com if you need additional information or |
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23 * have any questions. |
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24 */ |
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25 |
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26 package sun.nio.ch; |
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27 |
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28 import java.io.*; |
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29 import java.net.*; |
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30 import java.nio.*; |
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31 import java.nio.channels.*; |
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32 |
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33 |
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34 // Adaptor class for java.net-style options |
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35 // |
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36 // The option get/set methods in the socket, server-socket, and datagram-socket |
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37 // adaptors delegate to an instance of this class. |
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38 // |
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39 |
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40 class OptionAdaptor { // package-private |
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41 |
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42 private final SocketOpts.IP opts; |
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43 |
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44 OptionAdaptor(SocketChannelImpl sc) { |
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45 opts = (SocketOpts.IP)sc.options(); |
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46 } |
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47 |
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48 OptionAdaptor(ServerSocketChannelImpl ssc) { |
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49 opts = (SocketOpts.IP)ssc.options(); |
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50 } |
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51 |
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52 OptionAdaptor(DatagramChannelImpl dc) { |
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53 opts = (SocketOpts.IP)dc.options(); |
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54 } |
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55 |
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56 private SocketOpts.IP opts() { |
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57 return opts; |
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58 } |
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59 |
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60 private SocketOpts.IP.TCP tcpOpts() { |
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61 return (SocketOpts.IP.TCP)opts; |
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62 } |
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63 |
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64 public void setTcpNoDelay(boolean on) throws SocketException { |
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65 try { |
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66 tcpOpts().noDelay(on); |
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67 } catch (Exception x) { |
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68 Net.translateToSocketException(x); |
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69 } |
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70 } |
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71 |
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72 public boolean getTcpNoDelay() throws SocketException { |
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73 try { |
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74 return tcpOpts().noDelay(); |
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75 } catch (Exception x) { |
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76 Net.translateToSocketException(x); |
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77 return false; // Never happens |
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78 } |
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79 } |
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80 |
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81 public void setSoLinger(boolean on, int linger) throws SocketException { |
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82 try { |
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83 if (linger > 65535) |
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84 linger = 65535; |
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85 opts().linger(on ? linger : -1); |
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86 } catch (Exception x) { |
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87 Net.translateToSocketException(x); |
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88 } |
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89 } |
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90 |
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91 public int getSoLinger() throws SocketException { |
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92 try { |
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93 return opts().linger(); |
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94 } catch (Exception x) { |
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95 Net.translateToSocketException(x); |
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96 return 0; // Never happens |
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97 } |
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98 } |
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99 |
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100 public void setOOBInline(boolean on) throws SocketException { |
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101 try { |
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102 opts().outOfBandInline(on); |
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103 } catch (Exception x) { |
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104 Net.translateToSocketException(x); |
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105 } |
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106 } |
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107 |
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108 public boolean getOOBInline() throws SocketException { |
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109 try { |
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110 return opts().outOfBandInline(); |
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111 } catch (Exception x) { |
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112 Net.translateToSocketException(x); |
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113 return false; // Never happens |
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114 } |
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115 } |
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116 |
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117 public void setSendBufferSize(int size) |
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118 throws SocketException |
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119 { |
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120 try { |
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121 opts().sendBufferSize(size); |
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122 } catch (Exception x) { |
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123 Net.translateToSocketException(x); |
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124 } |
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125 } |
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126 |
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127 public int getSendBufferSize() throws SocketException { |
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128 try { |
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129 return opts().sendBufferSize(); |
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130 } catch (Exception x) { |
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131 Net.translateToSocketException(x); |
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132 return 0; // Never happens |
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133 } |
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134 } |
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135 |
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136 public void setReceiveBufferSize(int size) |
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137 throws SocketException |
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138 { |
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139 try { |
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140 opts().receiveBufferSize(size); |
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141 } catch (Exception x) { |
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142 Net.translateToSocketException(x); |
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143 } |
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144 } |
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145 |
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146 public int getReceiveBufferSize() throws SocketException { |
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147 try { |
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148 return opts().receiveBufferSize(); |
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149 } catch (Exception x) { |
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150 Net.translateToSocketException(x); |
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151 return 0; // Never happens |
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152 } |
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153 } |
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154 |
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155 public void setKeepAlive(boolean on) throws SocketException { |
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156 try { |
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157 opts().keepAlive(on); |
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158 } catch (Exception x) { |
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159 Net.translateToSocketException(x); |
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160 } |
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161 } |
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162 |
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163 public boolean getKeepAlive() throws SocketException { |
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164 try { |
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165 return opts().keepAlive(); |
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166 } catch (Exception x) { |
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167 Net.translateToSocketException(x); |
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168 return false; // Never happens |
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169 } |
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170 } |
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171 |
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172 public void setTrafficClass(int tc) throws SocketException { |
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173 if (tc < 0 || tc > 255) |
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174 throw new IllegalArgumentException("tc is not in range 0 -- 255"); |
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175 try { |
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176 opts().typeOfService(tc); |
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177 } catch (Exception x) { |
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178 Net.translateToSocketException(x); |
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179 } |
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180 } |
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181 |
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182 public int getTrafficClass() throws SocketException { |
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183 try { |
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184 return opts().typeOfService(); |
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185 } catch (Exception x) { |
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186 Net.translateToSocketException(x); |
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187 return 0; // Never happens |
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188 } |
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189 } |
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190 |
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191 public void setReuseAddress(boolean on) |
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192 throws SocketException |
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193 { |
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194 try { |
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195 opts().reuseAddress(on); |
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196 } catch (Exception x) { |
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197 Net.translateToSocketException(x); |
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198 } |
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199 } |
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200 |
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201 public boolean getReuseAddress() throws SocketException { |
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202 try { |
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203 return opts().reuseAddress(); |
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204 } catch (Exception x) { |
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205 Net.translateToSocketException(x); |
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206 return false; // Never happens |
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207 } |
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208 } |
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209 |
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210 public void setBroadcast(boolean on) |
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211 throws SocketException |
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212 { |
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213 try { |
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214 opts().broadcast(on); |
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215 } catch (Exception x) { |
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216 Net.translateToSocketException(x); |
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217 } |
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218 } |
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219 |
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220 public boolean getBroadcast() throws SocketException { |
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221 try { |
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222 return opts().broadcast(); |
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223 } catch (Exception x) { |
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224 Net.translateToSocketException(x); |
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225 return false; // Never happens |
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226 } |
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227 } |
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228 |
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229 } |
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