KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > exolab > jms > net > multiplexer > Constants


1 /**
2  * Redistribution and use of this software and associated documentation
3  * ("Software"), with or without modification, are permitted provided
4  * that the following conditions are met:
5  *
6  * 1. Redistributions of source code must retain copyright
7  * statements and notices. Redistributions must also contain a
8  * copy of this document.
9  *
10  * 2. Redistributions in binary form must reproduce the
11  * above copyright notice, this list of conditions and the
12  * following disclaimer in the documentation and/or other
13  * materials provided with the distribution.
14  *
15  * 3. The name "Exolab" must not be used to endorse or promote
16  * products derived from this Software without prior written
17  * permission of Exoffice Technologies. For written permission,
18  * please contact info@exolab.org.
19  *
20  * 4. Products derived from this Software may not be called "Exolab"
21  * nor may "Exolab" appear in their names without prior written
22  * permission of Exoffice Technologies. Exolab is a registered
23  * trademark of Exoffice Technologies.
24  *
25  * 5. Due credit should be given to the Exolab Project
26  * (http://www.exolab.org/).
27  *
28  * THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS
29  * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
30  * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
31  * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
32  * EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
33  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
34  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
35  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
37  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
38  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
39  * OF THE POSSIBILITY OF SUCH DAMAGE.
40  *
41  * Copyright 2003-2004 (C) Exoffice Technologies Inc. All Rights Reserved.
42  *
43  * $Id: Constants.java,v 1.3 2005/05/30 13:34:49 tanderson Exp $
44  */
45 package org.exolab.jms.net.multiplexer;
46
47
48 /**
49  * Protocol constants for the multiplexer
50  *
51  * @author <a HREF="mailto:tma@netspace.net.au">Tim Anderson</a>
52  * @version $Revision: 1.3 $ $Date: 2005/05/30 13:34:49 $
53  */
54 interface Constants {
55
56     /**
57      * Magic no. used in stream verification.
58      */
59     int MAGIC = 0xBADDECAF;
60
61     /**
62      * Indicates that the packet contains protocol version.
63      */
64     int VERSION = 0x00000001;
65
66     /**
67      * Indicates that a packet is a request to open a new channel.
68      */
69     byte OPEN = 0x20;
70
71     /**
72      * Indicates that a packet is a request to close an existing channel.
73      */
74     byte CLOSE = 0x21;
75
76     /**
77      * Indicates the start of an invocation request.
78      */
79     byte REQUEST = 0x30;
80
81     /**
82      * Indicates the start of an invocation return.
83      */
84     byte RESPONSE = 0x31;
85
86     /**
87      * Indicates the continuation of a stream of data packets.
88      */
89     byte DATA = 0x32;
90
91     /**
92      * Indicates that the client is supplying user/password authentication
93      * details.
94      */
95     byte AUTH_BASIC = 0x40;
96
97     /**
98      * Indicates that a client is supplying no authentication details.
99      */
100     byte AUTH_NONE = 0x41;
101
102     /**
103      * Indicates that connection has been accepted.
104      */
105     byte AUTH_OK = 0x4E;
106
107     /**
108      * Indicates that connection has been refused.
109      */
110     byte AUTH_DENIED = 0x4F;
111
112     /**
113      * Indicates that a packet is a ping request.
114      */
115     byte PING_REQUEST = 0x50;
116
117     /**
118      * Indicates that a packet is a ping response.
119      */
120     byte PING_RESPONSE = 0x51;
121
122     /**
123      * Indicates the no. of bytes read from the stream.
124      */
125     byte FLOW_READ = 0x60;
126
127     /**
128      * Indicates to close the connection.
129      */
130     byte SHUTDOWN = 0x70;
131
132 }
133
Popular Tags