summaryrefslogtreecommitdiff
path: root/ndb/include/kernel/signaldata/CmRegSignalData.hpp
blob: f33c991249fb5f9a3c81fda5f4465c1619ccf58f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
/* Copyright (C) 2003 MySQL AB

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

#ifndef CM_REG_HPP
#define CM_REG_HPP

#include <NodeBitmask.hpp>

/**
 * This is the first distributed signal 
 *   (the node tries to register in the cluster)
 */
class CmRegReq {
  /**
   * Sender(s) & Reciver(s)
   */
  friend class Qmgr;
  
public:
  STATIC_CONST( SignalLength = 3 );
private:
  
  Uint32 blockRef;
  Uint32 nodeId;
  Uint32 version; // See ndb_version.h
};

/**
 * The node receving this signal has been accepted into the cluster
 */
class CmRegConf {
  /**
   * Sender(s) & Reciver(s)
   */
  friend class Qmgr;
  
public:
  STATIC_CONST( SignalLength = 4 + NdbNodeBitmask::Size );
private:
  
  Uint32 presidentBlockRef;
  Uint32 presidentNodeId;
  Uint32 presidentVersion;

  /**
   * The dynamic id that the node reciving this signal has
   */
  Uint32 dynamicId;
  
  Uint32 allNdbNodes[NdbNodeBitmask::Size];
};

/**
 * 
 */
class CmRegRef {
  /**
   * Sender(s) & Reciver(s)
   */
  friend class Qmgr;
  
public:
  STATIC_CONST( SignalLength = 4 );
  
  enum ErrorCode {
    ZBUSY = 0,          /* Only the president can send this */
    ZBUSY_PRESIDENT = 1,/* Only the president can send this */
    ZBUSY_TO_PRES = 2,  /* Only the president can send this */
    ZNOT_IN_CFG = 3,    /* Only the president can send this */
    ZELECTION = 4,      /* Receiver is definitely not president,
                         * but we are not sure if sender ends up
                         * as president. */
    ZNOT_PRESIDENT = 5, /* We are not president */
    ZNOT_DEAD = 6,       /* We are not dead when we are starting  */
    ZINCOMPATIBLE_VERSION = 7
  };
private:
  
  Uint32 blockRef;
  Uint32 nodeId;
  Uint32 errorCode;
  Uint32 presidentCandidate;
};

class CmAdd {
  /**
   * Sender(s) & Reciver(s)
   */
  friend class Qmgr;
  
public:
  STATIC_CONST( SignalLength = 3 );
  
private:
  enum RequestType {
    Prepare   = 0,
    AddCommit = 1,
    CommitNew = 2
  };
  
  Uint32 requestType;
  Uint32 startingNodeId;
  Uint32 startingVersion;
};

class CmAckAdd {
  /**
   * Sender(s) & Reciver(s)
   */
  friend class Qmgr;
  
public:
  STATIC_CONST( SignalLength = 3 );
  
private:
  Uint32 senderNodeId;
  Uint32 requestType; // see CmAdd::RequestType
  Uint32 startingNodeId;
};

class CmNodeInfoReq {
  /**
   * Sender(s) & Reciver(s)
   */
  friend class Qmgr;
  
public:
  STATIC_CONST( SignalLength = 3 );
  
private:
  /**
   * This is information for sending node (starting node)
   */
  Uint32 nodeId;
  Uint32 dynamicId;
  Uint32 version;
};

class CmNodeInfoRef {
  /**
   * Sender(s) & Reciver(s)
   */
  friend class Qmgr;
  
public:
  STATIC_CONST( SignalLength = 3 );

  enum ErrorCode {
    NotRunning = 1
  };
  
private:
  Uint32 nodeId;
  Uint32 errorCode;
};

class CmNodeInfoConf {
  /**
   * Sender(s) & Reciver(s)
   */
  friend class Qmgr;
  
public:
  STATIC_CONST( SignalLength = 3 );
  
private:
  Uint32 nodeId;
  Uint32 dynamicId;
  Uint32 version;
};

#endif