1 /*
   2  * Copyright (c) 2015, 2018, 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 
  26 package sun.security.ssl;
  27 
  28 import java.nio.ByteBuffer;
  29 import javax.net.ssl.SSLEngineResult.HandshakeStatus;
  30 
  31 /*
  32  * Plaintext
  33  */
  34 final class Plaintext {
  35     static final Plaintext PLAINTEXT_NULL = new Plaintext();
  36 
  37     final byte       contentType;
  38     final byte       majorVersion;
  39     final byte       minorVersion;
  40     final int        recordEpoch;     // increments on every cipher state change
  41     final long       recordSN;        // epoch | sequence number
  42     final ByteBuffer fragment;        // null if need to be reassembled
  43 
  44     HandshakeStatus  handshakeStatus; // null if not used or not handshaking
  45 
  46     private Plaintext() {
  47         this.contentType = 0;
  48         this.majorVersion = 0;
  49         this.minorVersion = 0;
  50         this.recordEpoch = -1;
  51         this.recordSN = -1;
  52         this.fragment = null;
  53         this.handshakeStatus = null;
  54     }
  55 
  56     Plaintext(byte contentType,
  57             byte majorVersion, byte minorVersion,
  58             int recordEpoch, long recordSN, ByteBuffer fragment) {
  59 
  60         this.contentType = contentType;
  61         this.majorVersion = majorVersion;
  62         this.minorVersion = minorVersion;
  63         this.recordEpoch = recordEpoch;
  64         this.recordSN = recordSN;
  65         this.fragment = fragment;
  66 
  67         this.handshakeStatus = null;
  68     }
  69 
  70     @Override
  71     public String toString() {
  72         return "contentType: " + contentType + "/" +
  73                "majorVersion: " + majorVersion + "/" +
  74                "minorVersion: " + minorVersion + "/" +
  75                "recordEpoch: " + recordEpoch + "/" +
  76                "recordSN: 0x" + Long.toHexString(recordSN) + "/" +
  77                "fragment: " + fragment;
  78     }
  79 }