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1   //========================================================================
2   //Copyright 2006 Mort Bay Consulting Pty. Ltd.
3   //------------------------------------------------------------------------
4   //Licensed under the Apache License, Version 2.0 (the "License");
5   //you may not use this file except in compliance with the License.
6   //You may obtain a copy of the License at
7   //http://www.apache.org/licenses/LICENSE-2.0
8   //Unless required by applicable law or agreed to in writing, software
9   //distributed under the License is distributed on an "AS IS" BASIS,
10  //WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11  //See the License for the specific language governing permissions and
12  //limitations under the License.
13  //========================================================================
14  
15  package org.mortbay.jetty.ajp;
16  
17  import org.mortbay.io.BufferCache;
18  
19  /**
20   * @author Markus Kobler
21   */
22  public class Ajp13Packet
23  {
24  
25      public final static int MAX_PACKET_SIZE=(8*1024);
26      public final static int HDR_SIZE=4;
27  
28      // Used in writing response...
29      public final static int DATA_HDR_SIZE=7;
30      public final static int MAX_DATA_SIZE=MAX_PACKET_SIZE-DATA_HDR_SIZE;
31  
32      public final static String
33      // Server -> Container
34              FORWARD_REQUEST="FORWARD REQUEST",
35              SHUTDOWN="SHUTDOWN",
36              PING_REQUEST="PING REQUEST", // Obsolete
37              CPING_REQUEST="CPING REQUEST",
38  
39              // Server <- Container
40              SEND_BODY_CHUNK="SEND BODY CHUNK", SEND_HEADERS="SEND HEADERS", END_RESPONSE="END RESPONSE",
41              GET_BODY_CHUNK="GET BODY CHUNK",
42              CPONG_REPLY="CPONG REPLY";
43  
44      public final static int FORWARD_REQUEST_ORDINAL=2, SHUTDOWN_ORDINAL=7,
45              PING_REQUEST_ORDINAL=8, // Obsolete
46              CPING_REQUEST_ORDINAL=10, SEND_BODY_CHUNK_ORDINAL=3, SEND_HEADERS_ORDINAL=4, END_RESPONSE_ORDINAL=5, GET_BODY_CHUNK_ORDINAL=6,
47              CPONG_REPLY_ORDINAL=9;
48  
49      public final static BufferCache CACHE=new BufferCache();
50  
51      static
52      {
53          CACHE.add(FORWARD_REQUEST,FORWARD_REQUEST_ORDINAL);
54          CACHE.add(SHUTDOWN,SHUTDOWN_ORDINAL);
55          CACHE.add(PING_REQUEST,PING_REQUEST_ORDINAL); // Obsolete
56          CACHE.add(CPING_REQUEST,CPING_REQUEST_ORDINAL);
57          CACHE.add(SEND_BODY_CHUNK,SEND_BODY_CHUNK_ORDINAL);
58          CACHE.add(SEND_HEADERS,SEND_HEADERS_ORDINAL);
59          CACHE.add(END_RESPONSE,END_RESPONSE_ORDINAL);
60          CACHE.add(GET_BODY_CHUNK,GET_BODY_CHUNK_ORDINAL);
61          CACHE.add(CPONG_REPLY,CPONG_REPLY_ORDINAL);
62      }
63  
64  }