1 /*
2    Copyright (c) 2003, 2021, Oracle and/or its affiliates.
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 DIH_SWITCH_REPLICA_HPP
26 #define DIH_SWITCH_REPLICA_HPP
27 
28 #define JAM_FILE_ID 172
29 
30 
31 /**
32  * This signal is sent from master DIH to all DIH's
33  *   switches primary / backup nodes for replica(s)
34  *
35  */
36 class DihSwitchReplicaReq {
37   /**
38    * Sender/Reciver
39    */
40   friend class Dbdih;
41 
42 public:
43   STATIC_CONST( SignalLength = 4 + MAX_REPLICAS );
44 
45 private:
46   /**
47    * Request Info
48    *
49    */
50   Uint32 senderRef;
51   Uint32 tableId;
52   Uint32 fragNo;
53   Uint32 noOfReplicas;
54   Uint32 newNodeOrder[MAX_REPLICAS];
55 };
56 
57 class DihSwitchReplicaRef {
58   /**
59    * Sender/Reciver
60    */
61   friend class Dbdih;
62 
63 public:
64   STATIC_CONST( SignalLength = 2 );
65 
66 private:
67   Uint32 senderNode;
68   Uint32 errorCode; // See StopPermRef::ErrorCode
69 };
70 
71 class DihSwitchReplicaConf {
72   /**
73    * Sender/Reciver
74    */
75   friend class Dbdih;
76 
77 public:
78   STATIC_CONST( SignalLength = 1 );
79 
80 private:
81   Uint32 senderNode;
82 };
83 
84 #undef JAM_FILE_ID
85 
86 #endif
87