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    1   /*
    2    * Copyright 2012 The Netty Project
    3    *
    4    * The Netty Project licenses this file to you under the Apache License,
    5    * version 2.0 (the "License"); you may not use this file except in compliance
    6    * with the 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.oio;
    17
    18  import static org.jboss.netty.channel.Channels.*;
    19
    20  import java.io.IOException;
    21  import java.net.InetSocketAddress;
    22  import java.net.ServerSocket;
    23  import java.util.concurrent.locks.Lock;
    24  import java.util.concurrent.locks.ReentrantLock;
    25
    26  import org.jboss.netty.channel.AbstractServerChannel;
    27  import org.jboss.netty.channel.ChannelException;
    28  import org.jboss.netty.channel.ChannelFactory;
    29  import org.jboss.netty.channel.ChannelPipeline;
    30  import org.jboss.netty.channel.ChannelSink;
    31  import org.jboss.netty.channel.socket.DefaultServerSocketChannelConfig;
    32  import org.jboss.netty.channel.socket.ServerSocketChannel;
    33  import org.jboss.netty.channel.socket.ServerSocketChannelConfig;
    34  import org.jboss.netty.logging.InternalLogger;
    35  import org.jboss.netty.logging.InternalLoggerFactory;
    36
    37  class OioServerSocketChannel extends AbstractServerChannel
    38                               implements ServerSocketChannel {
    39
    40      private static final InternalLogger logger =
    41          InternalLoggerFactory.getInstance(OioServerSocketChannel.class);
    42
    43      final ServerSocket socket;
    44      final Lock shutdownLock = new ReentrantLock();
    45      private final ServerSocketChannelConfig config;
    46
    47      OioServerSocketChannel(
    48              ChannelFactory factory,
    49              ChannelPipeline pipeline,
    50              ChannelSink sink) {
    51
    52          super(factory, pipeline, sink);
    53
    54          try {
    55              socket = new ServerSocket();
    56          } catch (IOException e) {
    57              throw new ChannelException(
    58                      "Failed to open a server socket.", e);
    59          }
    60
    61          try {
    62              socket.setSoTimeout(1000);
    63          } catch (IOException e) {
    64              try {
    65                  socket.close();
    66              } catch (IOException e2) {
    67                  if (logger.isWarnEnabled()) {
    68                      logger.warn(
    69                              "Failed to close a partially initialized socket.", e2);
    70                  }
    71
    72              }
    73              throw new ChannelException(
    74                      "Failed to set the server socket timeout.", e);
    75          }
    76
    77          config = new DefaultServerSocketChannelConfig(socket);
    78
    79          fireChannelOpen(this);
    80      }
    81
    82      public ServerSocketChannelConfig getConfig() {
    83          return config;
    84      }
    85
    86      public InetSocketAddress getLocalAddress() {
    87          return (InetSocketAddress) socket.getLocalSocketAddress();
    88      }
    89
    90      public InetSocketAddress getRemoteAddress() {
    91          return null;
    92      }
    93
    94      public boolean isBound() {
    95          return isOpen() && socket.isBound();
    96      }
    97
    98      @Override
    99      protected boolean setClosed() {
    100         return super.setClosed();
    101     }
    102 }