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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.example.proxy;
    21
    22  import java.net.InetSocketAddress;
    23
    24  import org.apache.mina.common.ConnectFuture;
    25  import org.apache.mina.common.IoConnector;
    26  import org.apache.mina.common.IoFuture;
    27  import org.apache.mina.common.IoFutureListener;
    28  import org.apache.mina.common.IoSession;
    29  import org.apache.mina.common.RuntimeIOException;
    30  import org.apache.mina.common.TrafficMask;
    31
    32  /**
    33   * Handles the client to proxy part of the proxied connection.
    34   *
    35   * @author The Apache Directory Project (mina-dev@directory.apache.org)
    36   * @version $Rev$, $Date$
    37   *
    38   */
    39  public class ClientToProxyIoHandler extends AbstractProxyIoHandler {
    40      private final ServerToProxyIoHandler connectorHandler;
    41
    42      private final IoConnector connector;
    43
    44      private final InetSocketAddress address;
    45
    46      public ClientToProxyIoHandler(ServerToProxyIoHandler connectorHandler,
    47              IoConnector connector, InetSocketAddress address) {
    48          this.connectorHandler = connectorHandler;
    49          this.connector = connector;
    50          this.address = address;
    51      }
    52
    53      public void sessionOpened(final IoSession session) throws Exception {
    54          connector.connect(address, connectorHandler).addListener(
    55                  new IoFutureListener() {
    56                      public void operationComplete(IoFuture f) {
    57                          ConnectFuture future = (ConnectFuture) f;
    58                          try {
    59                              future.getSession().setAttachment(session);
    60                              session.setAttachment(future.getSession());
    61                              future.getSession().setTrafficMask(TrafficMask.ALL);
    62                          } catch (RuntimeIOException e) {
    63                              // Connect failed
    64                              session.close();
    65                          } finally {
    66                              session.setTrafficMask(TrafficMask.ALL);
    67                          }
    68                      }
    69                  });
    70      }
    71  }