1 /*

     2  * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    25 package sun.nio.ch;

    26 

    27 import java.net.SocketAddress;

    28 import com.sun.nio.sctp.Association;

    29 import com.sun.nio.sctp.PeerAddressChangeNotification;

    30 

    31 /**

    32  * An implementation of PeerAddressChangeNotification

    33  */

    34 public class SctpPeerAddrChange extends PeerAddressChangeNotification

    35     implements SctpNotification

    36 {

    37     /* static final ints so that they can be referenced from native */

    38     private final static int SCTP_ADDR_AVAILABLE = 1;

    39     private final static int SCTP_ADDR_UNREACHABLE = 2;

    40     private final static int SCTP_ADDR_REMOVED = 3;

    41     private final static int SCTP_ADDR_ADDED = 4;

    42     private final static int SCTP_ADDR_MADE_PRIM = 5;

    43     private final static int SCTP_ADDR_CONFIRMED =6;

    44 

    45     private Association association;

    46 

    47     /* assocId is used to lookup the association before the notification is

    48      * returned to user code */

    49     private int assocId;

    50     private SocketAddress address;

    51     private AddressChangeEvent event;

    52 

    53     /* Invoked from native */

    54     private SctpPeerAddrChange(int assocId, SocketAddress address, int intEvent) {

    55         switch (intEvent) {

    56             case SCTP_ADDR_AVAILABLE :

    57                 this.event = AddressChangeEvent.ADDR_AVAILABLE;

    58                 break;

    59             case SCTP_ADDR_UNREACHABLE :

    60                 this.event = AddressChangeEvent.ADDR_UNREACHABLE;

    61                 break;

    62             case SCTP_ADDR_REMOVED :

    63                 this.event = AddressChangeEvent.ADDR_REMOVED;

    64                 break;

    65             case SCTP_ADDR_ADDED :

    66                 this.event = AddressChangeEvent.ADDR_ADDED;

    67                 break;

    68             case SCTP_ADDR_MADE_PRIM :

    69                 this.event = AddressChangeEvent.ADDR_MADE_PRIMARY;

    70                 break;

    71             case SCTP_ADDR_CONFIRMED :

    72                 this.event = AddressChangeEvent.ADDR_CONFIRMED;

    73                 break;

    74             default:

    75                 throw new AssertionError("Unknown event type");

    76         }

    77         this.assocId = assocId;

    78         this.address = address;

    79     }

    80 

    81     @Override

    82     public int assocId() {

    83         return assocId;

    84     }

    85 

    86     @Override

    87     public void setAssociation(Association association) {

    88         this.association = association;

    89     }

    90 

    91     @Override

    92     public SocketAddress address() {

    93         assert address != null;

    94         return address;

    95     }

    96 

    97     @Override

    98     public Association association() {

    99         assert association != null;

   100         return association;

   101     }

   102 

   103     @Override

   104     public AddressChangeEvent event() {

   105         assert event != null;

   106         return event;

   107     }

   108 

   109     @Override

   110     public String toString() {

   111         StringBuilder sb = new StringBuilder();

   112         sb.append(super.toString()).append(" [");

   113         sb.append("Address: ").append(address);

   114         sb.append(", Association:").append(association);

   115         sb.append(", Event: ").append(event).append("]");

   116         return sb.toString();

   117     }

   118 }

   119