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121 lines
4 KiB
Java
121 lines
4 KiB
Java
/*
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* Copyright (c) 2009, 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package sun.nio.ch.sctp;
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import com.sun.nio.sctp.Association;
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import com.sun.nio.sctp.AssociationChangeNotification;
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import java.lang.annotation.Native;
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/**
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* An implementation of AssociationChangeNotification
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*/
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public class AssociationChange extends AssociationChangeNotification
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implements SctpNotification
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{
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/* static final ints so that they can be referenced from native */
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@Native private final static int SCTP_COMM_UP = 1;
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@Native private final static int SCTP_COMM_LOST = 2;
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@Native private final static int SCTP_RESTART = 3;
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@Native private final static int SCTP_SHUTDOWN = 4;
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@Native private final static int SCTP_CANT_START = 5;
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private Association association;
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/* assocId is used to lookup the association before the notification is
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* returned to user code */
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private int assocId;
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private AssocChangeEvent event;
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private int maxOutStreams;
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private int maxInStreams;
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/* Invoked from native */
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private AssociationChange(int assocId,
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int intEvent,
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int maxOutStreams,
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int maxInStreams) {
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switch (intEvent) {
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case SCTP_COMM_UP :
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this.event = AssocChangeEvent.COMM_UP;
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break;
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case SCTP_COMM_LOST :
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this.event = AssocChangeEvent.COMM_LOST;
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break;
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case SCTP_RESTART :
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this.event = AssocChangeEvent.RESTART;
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break;
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case SCTP_SHUTDOWN :
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this.event = AssocChangeEvent.SHUTDOWN;
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break;
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case SCTP_CANT_START :
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this.event = AssocChangeEvent.CANT_START;
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break;
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default :
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throw new AssertionError(
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"Unknown Association Change Event type: " + intEvent);
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}
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this.assocId = assocId;
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this.maxOutStreams = maxOutStreams;
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this.maxInStreams = maxInStreams;
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}
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@Override
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public int assocId() {
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return assocId;
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}
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@Override
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public void setAssociation(Association association) {
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this.association = association;
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}
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@Override
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public Association association() {
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assert event == AssocChangeEvent.CANT_START ? true : association != null;
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return association;
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}
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@Override
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public AssocChangeEvent event() {
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return event;
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}
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int maxOutStreams() {
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return maxOutStreams;
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}
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int maxInStreams() {
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return maxInStreams;
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}
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@Override
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public String toString() {
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StringBuilder sb = new StringBuilder();
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sb.append(super.toString()).append(" [");
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sb.append("Association:").append(association);
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sb.append(", Event: ").append(event).append("]");
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return sb.toString();
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}
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}
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