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    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.nio;
    21
    22  import java.io.IOException;
    23  import java.net.ServerSocket;
    24
    25  import org.apache.mina.common.ExceptionMonitor;
    26  import org.apache.mina.common.IoAcceptorConfig;
    27  import org.apache.mina.common.RuntimeIOException;
    28  import org.apache.mina.common.support.BaseIoAcceptorConfig;
    29
    30  /**
    31   * An {@link IoAcceptorConfig} for {@link SocketAcceptor}.
    32   *
    33   * @author The Apache Directory Project (mina-dev@directory.apache.org)
    34   * @version $Rev: 587373 $, $Date: 2007-10-23 11:54:05 +0900 (Tue, 23 Oct 2007) $
    35   */
    36  public class SocketAcceptorConfig extends BaseIoAcceptorConfig {
    37      private SocketSessionConfig sessionConfig = new SocketSessionConfigImpl();
    38
    39      private int backlog = 50;
    40
    41      private boolean reuseAddress;
    42
    43      /**
    44       * Creates a new instance.
    45       *
    46       * @throws RuntimeIOException if failed to get the default configuration
    47       */
    48      public SocketAcceptorConfig() {
    49          ServerSocket s = null;
    50          try {
    51              s = new ServerSocket();
    52              reuseAddress = s.getReuseAddress();
    53          } catch (IOException e) {
    54              throw new RuntimeIOException(
    55                      "Failed to get the default configuration.", e);
    56          } finally {
    57              if (s != null) {
    58                  try {
    59                      s.close();
    60                  } catch (IOException e) {
    61                      ExceptionMonitor.getInstance().exceptionCaught(e);
    62                  }
    63              }
    64          }
    65
    66          sessionConfig.setReuseAddress(true);
    67      }
    68
    69      public SocketSessionConfig getSessionConfig() {
    70          return sessionConfig;
    71      }
    72
    73      /**
    74       * @see ServerSocket#getReuseAddress()
    75       */
    76      public boolean isReuseAddress() {
    77          return reuseAddress;
    78      }
    79
    80      /**
    81       * @see ServerSocket#setReuseAddress(boolean)
    82       */
    83      public void setReuseAddress(boolean reuseAddress) {
    84          this.reuseAddress = reuseAddress;
    85      }
    86
    87      public int getBacklog() {
    88          return backlog;
    89      }
    90
    91      public void setBacklog(int backlog) {
    92          this.backlog = backlog;
    93      }
    94  }