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    1   /*
    2    * Copyright 2009 Red Hat, Inc.
    3    *
    4    * Red Hat licenses this file to you under the Apache License, version 2.0
    5    * (the "License"); you may not use this file except in compliance with the
    6    * License.  You may obtain a copy of the License at:
    7    *
    8    *    http://www.apache.org/licenses/LICENSE-2.0
    9    *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
    12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
    13   * License for the specific language governing permissions and limitations
    14   * under the License.
    15   */
    16  package org.jboss.netty.channel.socket;
    17
    18  import java.net.Socket;
    19  import java.net.SocketException;
    20
    21  import org.jboss.netty.channel.ChannelException;
    22  import org.jboss.netty.channel.DefaultChannelConfig;
    23  import org.jboss.netty.util.internal.ConversionUtil;
    24
    25  /**
    26   * The default {@link SocketChannelConfig} implementation.
    27   *
    28   * @author <a href="http://www.jboss.org/netty/">The Netty Project</a>
    29   * @author <a href="http://gleamynode.net/">Trustin Lee</a>
    30   *
    31   * @version $Rev: 2080 $, $Date: 2010-01-26 18:04:19 +0900 (Tue, 26 Jan 2010) $
    32   *
    33   */
    34  public class DefaultSocketChannelConfig extends DefaultChannelConfig
    35                                          implements SocketChannelConfig {
    36
    37      private final Socket socket;
    38
    39      /**
    40       * Creates a new instance.
    41       */
    42      public DefaultSocketChannelConfig(Socket socket) {
    43          if (socket == null) {
    44              throw new NullPointerException("socket");
    45          }
    46          this.socket = socket;
    47      }
    48
    49      @Override
    50      public boolean setOption(String key, Object value) {
    51          if (super.setOption(key, value)) {
    52              return true;
    53          }
    54
    55          if (key.equals("receiveBufferSize")) {
    56              setReceiveBufferSize(ConversionUtil.toInt(value));
    57          } else if (key.equals("sendBufferSize")) {
    58              setSendBufferSize(ConversionUtil.toInt(value));
    59          } else if (key.equals("tcpNoDelay")) {
    60              setTcpNoDelay(ConversionUtil.toBoolean(value));
    61          } else if (key.equals("keepAlive")) {
    62              setKeepAlive(ConversionUtil.toBoolean(value));
    63          } else if (key.equals("reuseAddress")) {
    64              setReuseAddress(ConversionUtil.toBoolean(value));
    65          } else if (key.equals("soLinger")) {
    66              setSoLinger(ConversionUtil.toInt(value));
    67          } else if (key.equals("trafficClass")) {
    68              setTrafficClass(ConversionUtil.toInt(value));
    69          } else {
    70              return false;
    71          }
    72          return true;
    73      }
    74
    75      public int getReceiveBufferSize() {
    76          try {
    77              return socket.getReceiveBufferSize();
    78          } catch (SocketException e) {
    79              throw new ChannelException(e);
    80          }
    81      }
    82
    83      public int getSendBufferSize() {
    84          try {
    85              return socket.getSendBufferSize();
    86          } catch (SocketException e) {
    87              throw new ChannelException(e);
    88          }
    89      }
    90
    91      public int getSoLinger() {
    92          try {
    93              return socket.getSoLinger();
    94          } catch (SocketException e) {
    95              throw new ChannelException(e);
    96          }
    97      }
    98
    99      public int getTrafficClass() {
    100         try {
    101             return socket.getTrafficClass();
    102         } catch (SocketException e) {
    103             throw new ChannelException(e);
    104         }
    105     }
    106
    107     public boolean isKeepAlive() {
    108         try {
    109             return socket.getKeepAlive();
    110         } catch (SocketException e) {
    111             throw new ChannelException(e);
    112         }
    113     }
    114
    115     public boolean isReuseAddress() {
    116         try {
    117             return socket.getReuseAddress();
    118         } catch (SocketException e) {
    119             throw new ChannelException(e);
    120         }
    121     }
    122
    123     public boolean isTcpNoDelay() {
    124         try {
    125             return socket.getTcpNoDelay();
    126         } catch (SocketException e) {
    127             throw new ChannelException(e);
    128         }
    129     }
    130
    131     public void setKeepAlive(boolean keepAlive) {
    132         try {
    133             socket.setKeepAlive(keepAlive);
    134         } catch (SocketException e) {
    135             throw new ChannelException(e);
    136         }
    137     }
    138
    139     public void setPerformancePreferences(
    140             int connectionTime, int latency, int bandwidth) {
    141         socket.setPerformancePreferences(connectionTime, latency, bandwidth);
    142     }
    143
    144     public void setReceiveBufferSize(int receiveBufferSize) {
    145         try {
    146             socket.setReceiveBufferSize(receiveBufferSize);
    147         } catch (SocketException e) {
    148             throw new ChannelException(e);
    149         }
    150     }
    151
    152     public void setReuseAddress(boolean reuseAddress) {
    153         try {
    154             socket.setReuseAddress(reuseAddress);
    155         } catch (SocketException e) {
    156             throw new ChannelException(e);
    157         }
    158     }
    159
    160     public void setSendBufferSize(int sendBufferSize) {
    161         try {
    162             socket.setSendBufferSize(sendBufferSize);
    163         } catch (SocketException e) {
    164             throw new ChannelException(e);
    165         }
    166     }
    167
    168     public void setSoLinger(int soLinger) {
    169         try {
    170             if (soLinger < 0) {
    171                 socket.setSoLinger(false, 0);
    172             } else {
    173                 socket.setSoLinger(true, soLinger);
    174             }
    175         } catch (SocketException e) {
    176             throw new ChannelException(e);
    177         }
    178     }
    179
    180     public void setTcpNoDelay(boolean tcpNoDelay) {
    181         try {
    182             socket.setTcpNoDelay(tcpNoDelay);
    183         } catch (SocketException e) {
    184             throw new ChannelException(e);
    185         }
    186     }
    187
    188     public void setTrafficClass(int trafficClass) {
    189         try {
    190             socket.setTrafficClass(trafficClass);
    191         } catch (SocketException e) {
    192             throw new ChannelException(e);
    193         }
    194     }
    195 }