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1   //
2   //  ========================================================================
3   //  Copyright (c) 1995-2013 Mort Bay Consulting Pty. Ltd.
4   //  ------------------------------------------------------------------------
5   //  All rights reserved. This program and the accompanying materials
6   //  are made available under the terms of the Eclipse Public License v1.0
7   //  and Apache License v2.0 which accompanies this distribution.
8   //
9   //      The Eclipse Public License is available at
10  //      http://www.eclipse.org/legal/epl-v10.html
11  //
12  //      The Apache License v2.0 is available at
13  //      http://www.opensource.org/licenses/apache2.0.php
14  //
15  //  You may elect to redistribute this code under either of these licenses.
16  //  ========================================================================
17  //
18  
19  package org.eclipse.jetty.ajp;
20  
21  import org.eclipse.jetty.io.BufferCache;
22  
23  /**
24   * 
25   */
26  public class Ajp13Packet
27  {
28  
29      public final static int MAX_PACKET_SIZE=(8*1024);
30      public final static int HDR_SIZE=4;
31  
32      // Used in writing response...
33      public final static int DATA_HDR_SIZE=7;
34      public final static int MAX_DATA_SIZE=MAX_PACKET_SIZE-DATA_HDR_SIZE;
35  
36      public final static String
37      // Server -> Container
38              FORWARD_REQUEST="FORWARD REQUEST",
39              SHUTDOWN="SHUTDOWN",
40              PING_REQUEST="PING REQUEST", // Obsolete
41              CPING_REQUEST="CPING REQUEST",
42  
43              // Server <- Container
44              SEND_BODY_CHUNK="SEND BODY CHUNK", SEND_HEADERS="SEND HEADERS", END_RESPONSE="END RESPONSE",
45              GET_BODY_CHUNK="GET BODY CHUNK",
46              CPONG_REPLY="CPONG REPLY";
47  
48      public final static int FORWARD_REQUEST_ORDINAL=2, SHUTDOWN_ORDINAL=7,
49              PING_REQUEST_ORDINAL=8, // Obsolete
50              CPING_REQUEST_ORDINAL=10, SEND_BODY_CHUNK_ORDINAL=3, SEND_HEADERS_ORDINAL=4, END_RESPONSE_ORDINAL=5, GET_BODY_CHUNK_ORDINAL=6,
51              CPONG_REPLY_ORDINAL=9;
52  
53      public final static BufferCache CACHE=new BufferCache();
54  
55      static
56      {
57          CACHE.add(FORWARD_REQUEST,FORWARD_REQUEST_ORDINAL);
58          CACHE.add(SHUTDOWN,SHUTDOWN_ORDINAL);
59          CACHE.add(PING_REQUEST,PING_REQUEST_ORDINAL); // Obsolete
60          CACHE.add(CPING_REQUEST,CPING_REQUEST_ORDINAL);
61          CACHE.add(SEND_BODY_CHUNK,SEND_BODY_CHUNK_ORDINAL);
62          CACHE.add(SEND_HEADERS,SEND_HEADERS_ORDINAL);
63          CACHE.add(END_RESPONSE,END_RESPONSE_ORDINAL);
64          CACHE.add(GET_BODY_CHUNK,GET_BODY_CHUNK_ORDINAL);
65          CACHE.add(CPONG_REPLY,CPONG_REPLY_ORDINAL);
66      }
67  
68  }