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 com.sun.nio.sctp.Association;

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

    29 

    30 /**

    31  * An implementation of AssociationChangeNotification

    32  */

    33 public class SctpAssocChange extends AssociationChangeNotification

    34     implements SctpNotification

    35 {

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

    37     private final static int SCTP_COMM_UP = 1;

    38     private final static int SCTP_COMM_LOST = 2;

    39     private final static int SCTP_RESTART = 3;

    40     private final static int SCTP_SHUTDOWN = 4;

    41     private final static int SCTP_CANT_START = 5;

    42 

    43     private Association association;

    44 

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

    46      * returned to user code */

    47     private int assocId;

    48     private AssocChangeEvent event;

    49     private int maxOutStreams;

    50     private int maxInStreams;

    51 

    52     /* Invoked from native */

    53     private SctpAssocChange(int assocId,

    54                             int intEvent,

    55                             int maxOutStreams,

    56                             int maxInStreams) {

    57         switch (intEvent) {

    58             case SCTP_COMM_UP :

    59                 this.event = AssocChangeEvent.COMM_UP;

    60                 break;

    61             case SCTP_COMM_LOST :

    62                 this.event = AssocChangeEvent.COMM_LOST;

    63                 break;

    64             case SCTP_RESTART :

    65                 this.event = AssocChangeEvent.RESTART;

    66                 break;

    67             case SCTP_SHUTDOWN :

    68                 this.event = AssocChangeEvent.SHUTDOWN;

    69                 break;

    70             case SCTP_CANT_START :

    71                 this.event = AssocChangeEvent.CANT_START;

    72                 break;

    73             default :

    74                 throw new AssertionError(

    75                       "Unknown Association Change Event type: " + intEvent);

    76         }

    77 

    78         this.assocId = assocId;

    79         this.maxOutStreams = maxOutStreams;

    80         this.maxInStreams = maxInStreams;

    81     }

    82 

    83     @Override

    84     public int assocId() {

    85         return assocId;

    86     }

    87 

    88     @Override

    89     public void setAssociation(Association association) {

    90         this.association = association;

    91     }

    92 

    93     @Override

    94     public Association association() {

    95         assert association != null;

    96         return association;

    97     }

    98 

    99     @Override

   100     public AssocChangeEvent event() {

   101         return event;

   102     }

   103 

   104     int maxOutStreams() {

   105         return maxOutStreams;

   106     }

   107 

   108     int maxInStreams() {

   109         return maxInStreams;

   110     }

   111 

   112     @Override

   113     public String toString() {

   114         StringBuilder sb = new StringBuilder();

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

   116         sb.append("Association:").append(association);

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

   118         return sb.toString();

   119     }

   120 }