1 /* 2 * Copyright (c) 2009, 2012, 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 import javax.tools.annotation.GenerateNativeHeader; 31 32 /** 33 * An implementation of PeerAddressChangeNotification 34 */ 35 /* No native methods here, but the constants are needed in the supporting JNI code */ 36 @GenerateNativeHeader 37 public class PeerAddrChange extends PeerAddressChangeNotification 38 implements SctpNotification 39 { 40 /* static final ints so that they can be referenced from native */ 41 private final static int SCTP_ADDR_AVAILABLE = 1; 42 private final static int SCTP_ADDR_UNREACHABLE = 2; 43 private final static int SCTP_ADDR_REMOVED = 3; 44 private final static int SCTP_ADDR_ADDED = 4; 45 private final static int SCTP_ADDR_MADE_PRIM = 5; 46 private final static int SCTP_ADDR_CONFIRMED =6; 47 48 private Association association; 49 50 /* assocId is used to lookup the association before the notification is 51 * returned to user code */ 52 private int assocId; 53 private SocketAddress address; 54 private AddressChangeEvent event; 55 56 /* Invoked from native */ 57 private PeerAddrChange(int assocId, SocketAddress address, int intEvent) { 58 switch (intEvent) { 59 case SCTP_ADDR_AVAILABLE : 60 this.event = AddressChangeEvent.ADDR_AVAILABLE; 61 break; 62 case SCTP_ADDR_UNREACHABLE : 63 this.event = AddressChangeEvent.ADDR_UNREACHABLE; 64 break; 65 case SCTP_ADDR_REMOVED : 66 this.event = AddressChangeEvent.ADDR_REMOVED; 67 break; 68 case SCTP_ADDR_ADDED : 69 this.event = AddressChangeEvent.ADDR_ADDED; 70 break; 71 case SCTP_ADDR_MADE_PRIM : 72 this.event = AddressChangeEvent.ADDR_MADE_PRIMARY; 73 break; 74 case SCTP_ADDR_CONFIRMED : 75 this.event = AddressChangeEvent.ADDR_CONFIRMED; 76 break; 77 default: 78 throw new AssertionError("Unknown event type"); 79 } 80 this.assocId = assocId; 81 this.address = address; 82 } 83 84 @Override 85 public int assocId() { 86 return assocId; 87 } 88 89 @Override 90 public void setAssociation(Association association) { 91 this.association = association; 92 } 93 94 @Override 95 public SocketAddress address() { 96 assert address != null; 97 return address; 98 } 99 100 @Override 101 public Association association() { 102 assert association != null; 103 return association; 104 } 105 106 @Override 107 public AddressChangeEvent event() { 108 assert event != null; 109 return event; 110 } 111 112 @Override 113 public String toString() { 114 StringBuilder sb = new StringBuilder(); 115 sb.append(super.toString()).append(" ["); 116 sb.append("Address: ").append(address); 117 sb.append(", Association:").append(association); 118 sb.append(", Event: ").append(event).append("]"); 119 return sb.toString(); 120 } 121 } 122