View Javadoc

1   // ========================================================================
2   // Copyright (c) 2006-2009 Mort Bay Consulting Pty. Ltd.
3   // ------------------------------------------------------------------------
4   // All rights reserved. This program and the accompanying materials
5   // are made available under the terms of the Eclipse Public License v1.0
6   // and Apache License v2.0 which accompanies this distribution.
7   // The Eclipse Public License is available at 
8   // http://www.eclipse.org/legal/epl-v10.html
9   // The Apache License v2.0 is available at
10  // http://www.opensource.org/licenses/apache2.0.php
11  // You may elect to redistribute this code under either of these licenses. 
12  // ========================================================================
13  
14  package org.eclipse.jetty.ajp;
15  
16  import org.eclipse.jetty.io.BufferCache;
17  
18  /**
19   * 
20   */
21  public class Ajp13Packet
22  {
23  
24      public final static int MAX_PACKET_SIZE=(8*1024);
25      public final static int HDR_SIZE=4;
26  
27      // Used in writing response...
28      public final static int DATA_HDR_SIZE=7;
29      public final static int MAX_DATA_SIZE=MAX_PACKET_SIZE-DATA_HDR_SIZE;
30  
31      public final static String
32      // Server -> Container
33              FORWARD_REQUEST="FORWARD REQUEST",
34              SHUTDOWN="SHUTDOWN",
35              PING_REQUEST="PING REQUEST", // Obsolete
36              CPING_REQUEST="CPING REQUEST",
37  
38              // Server <- Container
39              SEND_BODY_CHUNK="SEND BODY CHUNK", SEND_HEADERS="SEND HEADERS", END_RESPONSE="END RESPONSE",
40              GET_BODY_CHUNK="GET BODY CHUNK",
41              CPONG_REPLY="CPONG REPLY";
42  
43      public final static int FORWARD_REQUEST_ORDINAL=2, SHUTDOWN_ORDINAL=7,
44              PING_REQUEST_ORDINAL=8, // Obsolete
45              CPING_REQUEST_ORDINAL=10, SEND_BODY_CHUNK_ORDINAL=3, SEND_HEADERS_ORDINAL=4, END_RESPONSE_ORDINAL=5, GET_BODY_CHUNK_ORDINAL=6,
46              CPONG_REPLY_ORDINAL=9;
47  
48      public final static BufferCache CACHE=new BufferCache();
49  
50      static
51      {
52          CACHE.add(FORWARD_REQUEST,FORWARD_REQUEST_ORDINAL);
53          CACHE.add(SHUTDOWN,SHUTDOWN_ORDINAL);
54          CACHE.add(PING_REQUEST,PING_REQUEST_ORDINAL); // Obsolete
55          CACHE.add(CPING_REQUEST,CPING_REQUEST_ORDINAL);
56          CACHE.add(SEND_BODY_CHUNK,SEND_BODY_CHUNK_ORDINAL);
57          CACHE.add(SEND_HEADERS,SEND_HEADERS_ORDINAL);
58          CACHE.add(END_RESPONSE,END_RESPONSE_ORDINAL);
59          CACHE.add(GET_BODY_CHUNK,GET_BODY_CHUNK_ORDINAL);
60          CACHE.add(CPONG_REPLY,CPONG_REPLY_ORDINAL);
61      }
62  
63  }