1 /*
2    Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
3 
4    This program is free software; you can redistribute it and/or modify
5    it under the terms of the GNU General Public License, version 2.0,
6    as published by the Free Software Foundation.
7 
8    This program is also distributed with certain software (including
9    but not limited to OpenSSL) that is licensed under separate terms,
10    as designated in a particular file or component or in included license
11    documentation.  The authors of MySQL hereby grant you an additional
12    permission to link the program and your derivative works with the
13    separately licensed software that they have included with MySQL.
14 
15    This program is distributed in the hope that it will be useful,
16    but WITHOUT ANY WARRANTY; without even the implied warranty of
17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18    GNU General Public License, version 2.0, for more details.
19 
20    You should have received a copy of the GNU General Public License
21    along with this program; if not, write to the Free Software
22    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
23 */
24 
25 #ifndef DIGETNODES_HPP
26 #define DIGETNODES_HPP
27 
28 #include <NodeBitmask.hpp>
29 #include <ndb_limits.h>
30 
31 #define JAM_FILE_ID 90
32 
33 
34 /**
35  *
36  */
37 struct DiGetNodesConf {
38   /**
39    * Receiver(s)
40    */
41   friend class Dbtc;
42   friend class Dbspj;
43 
44   /**
45    * Sender(s)
46    */
47   friend class Dbdih;
48 
49   STATIC_CONST( SignalLength = 3 + MAX_REPLICAS );
50   STATIC_CONST( REORG_MOVING = 0x80000000);
51 
52   Uint32 zero;
53   Uint32 fragId;
54   Uint32 reqinfo;
55   Uint32 nodes[MAX_REPLICAS + (2 + MAX_REPLICAS)]; //+1
56 };
57 /**
58  *
59  */
60 class DiGetNodesReq {
61   /**
62    * Sender(s)
63    */
64   friend class Dbtc;
65   friend class Dbspj;
66   /**
67    * Receiver(s)
68    */
69   friend class Dbdih;
70 public:
71   STATIC_CONST( SignalLength = 4 + (sizeof(void*) / sizeof(Uint32)) );
72 private:
73   Uint32 tableId;
74   Uint32 hashValue;
75   Uint32 distr_key_indicator;
76   Uint32 unused;
77   union {
78     void * jamBufferPtr;
79     Uint32 jamBufferStorage[2];
80   };
81 };
82 
83 
84 #undef JAM_FILE_ID
85 
86 #endif
87