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.MessageInfo;
  29 import com.sun.nio.sctp.Association;
  30 
  31 /**
  32  * An implementation of a MessageInfo.
  33  */
  34 public class SctpMessageInfoImpl extends MessageInfo {
  35     private final SocketAddress address;
  36     private final int bytes;          /* 0 */
  37 
  38     private Association association;
  39     private int assocId;
  40     private int streamNumber;
  41     private boolean complete = true;
  42     private boolean unordered;  /* false */
  43     private long timeToLive;    /* 0L */
  44     private int ppid;           /* 0 */
  45 
  46     public SctpMessageInfoImpl(Association association,
  47                                SocketAddress address,
  48                                int streamNumber) {
  49         this.association = association;
  50         this.address = address;
  51         this.streamNumber = streamNumber;
  52         bytes = 0;
  53     }
  54 
  55     /* Invoked from native */
  56     private SctpMessageInfoImpl(int assocId,
  57                                 SocketAddress address,
  58                                 int bytes,
  59                                 int streamNumber,
  60                                 boolean complete,
  61                                 boolean unordered,
  62                                 int ppid) {
  63         this.assocId = assocId;
  64         this.address = address;
  65         this.bytes = bytes;
  66         this.streamNumber = streamNumber;
  67         this.complete = complete;
  68         this.unordered = unordered;
  69         this.ppid = ppid;
  70     }
  71 
  72     @Override
  73     public Association association() {
  74         return association;
  75     }
  76 
  77     /**
  78      * SctpMessageInfoImpl instances created from native will need to have their
  79      * association set from the channel.
  80      */
  81     void setAssociation(Association association) {
  82         this.association = association;
  83     }
  84 
  85     int associationID() {
  86         return assocId;
  87     }
  88 
  89     @Override
  90     public SocketAddress address() {
  91         return address;
  92     }
  93 
  94     @Override
  95     public int bytes() {
  96         return bytes;
  97     }
  98 
  99     @Override
 100     public int streamNumber() {
 101         return streamNumber;
 102     }
 103 
 104     @Override
 105     public MessageInfo streamNumber(int streamNumber) {
 106         if (streamNumber < 0 || streamNumber > 65536)
 107             throw new IllegalArgumentException("Invalid stream number");
 108 
 109         this.streamNumber = streamNumber;
 110         return this;
 111     }
 112 
 113     @Override
 114     public int payloadProtocolID() {
 115         return ppid;
 116     }
 117 
 118     @Override
 119     public MessageInfo payloadProtocolID(int ppid) {
 120         this.ppid = ppid;
 121         return this;
 122     }
 123 
 124     @Override
 125     public boolean isComplete() {
 126         return complete;
 127     }
 128 
 129     @Override
 130     public MessageInfo complete(boolean complete) {
 131         this.complete = complete;
 132         return this;
 133     }
 134 
 135     @Override
 136     public boolean isUnordered() {
 137         return unordered;
 138     }
 139 
 140     @Override
 141     public MessageInfo unordered(boolean unordered) {
 142         this.unordered = unordered;
 143         return this;
 144     }
 145 
 146     @Override
 147     public long timeToLive() {
 148         return timeToLive;
 149     }
 150 
 151     @Override
 152     public MessageInfo timeToLive(long millis) {
 153         timeToLive = millis;
 154         return this;
 155     }
 156 
 157     @Override
 158     public String toString() {
 159         StringBuilder sb = new StringBuilder(super.toString());
 160         sb.append( "[Address: ").append(address)
 161           .append(", Association: ").append(association)
 162           .append(", Assoc ID: ").append(assocId)
 163           .append(", Bytes: ").append(bytes)
 164           .append(", Stream Number: ").append(streamNumber)
 165           .append(", Complete: ").append(complete)
 166           .append(", isUnordered: ").append(unordered)
 167           .append("]");
 168         return sb.toString();
 169     }
 170 }