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.sctp; 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