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/* Copyright (c) 2003, 2005, 2006 MySQL AB
Use is subject to license terms
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; version 2 of the License.
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 = 5 + NdbNodeBitmask::Size );
private:
Uint32 blockRef;
Uint32 nodeId;
Uint32 version; // See ndb_version.h
Uint32 start_type; // As specified by cmd-line or mgm, NodeState::StartType
Uint32 latest_gci; // 0 means no fs
Uint32 skip_nodes[NdbNodeBitmask::Size]; // Nodes that does not _need_
// to be part of restart
};
/**
* 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 = 7 + NdbNodeBitmask::Size );
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,
ZINCOMPATIBLE_START_TYPE = 8,
ZSINGLE_USER_MODE = 9, /* The cluster is in single user mode,
* data node is not allowed to get added
* in the cluster while in single user mode */
ZGENERIC = 100 /* The generic error code */
};
private:
Uint32 blockRef;
Uint32 nodeId;
Uint32 errorCode;
/**
* Applicable if ZELECTION
*/
Uint32 presidentCandidate;
Uint32 candidate_latest_gci; // 0 means non
/**
* Data for sending node sending node
*/
Uint32 latest_gci;
Uint32 start_type;
Uint32 skip_nodes[NdbNodeBitmask::Size]; // Nodes that does not _need_
// to be part of restart
};
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
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