polardbxengine/storage/ndb/include/kernel/signaldata/MasterGCP.hpp

146 lines
3.0 KiB
C++

/*
Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License, version 2.0,
as published by the Free Software Foundation.
This program is also distributed with certain software (including
but not limited to OpenSSL) that is licensed under separate terms,
as designated in a particular file or component or in included license
documentation. The authors of MySQL hereby grant you an additional
permission to link the program and your derivative works with the
separately licensed software that they have included with MySQL.
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, version 2.0, 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef MASTER_GCP_HPP
#define MASTER_GCP_HPP
#include <NodeBitmask.hpp>
#define JAM_FILE_ID 17
/**
*
*/
class MasterGCPConf {
/**
* Sender(s) / Reciver(s)
*/
friend class Dbdih;
public:
STATIC_CONST( SignalLength = 10 + 2 );
enum State {
GCP_READY = 0,
/**
* GCP_PREPARE recevied (and replied)
*/
GCP_PREPARE_RECEIVED = 1,
/**
* GCP_COMMIT received (not replied)
*/
GCP_COMMIT_RECEIVED = 2, // GCP_COMMIT received (and is running)
/**
* Replied GCP_NODEFINISH
* (i.e GCP_COMMIT finished)
*/
GCP_COMMITTED = 3
};
enum SaveState {
GCP_SAVE_IDLE = 0,
/**
* GCP_SAVE_REQ received (running in LQH)
*/
GCP_SAVE_REQ = 1,
/**
* GCP_SAVE_CONF (or REF)
*/
GCP_SAVE_CONF = 2,
/**
* COPY_GCI_REQ (GCP) has been received and is running
*/
GCP_SAVE_COPY_GCI = 3
};
struct Upgrade {
/**
* States uses before micro GCP
*/
enum State {
GCP_READY = 0,
GCP_PREPARE_RECEIVED = 1,
GCP_COMMIT_RECEIVED = 2,
GCP_TC_FINISHED = 3
};
};
private:
/**
* Data replied
*/
Uint32 gcpState;
Uint32 senderNodeId;
Uint32 failedNodeId;
Uint32 newGCP_hi;
Uint32 latestLCP;
Uint32 oldestRestorableGCI;
Uint32 keepGCI;
Uint32 lcpActive_v1[NdbNodeBitmask48::Size];
Uint32 newGCP_lo;
Uint32 saveState;
Uint32 saveGCI;
};
/**
*
*/
class MasterGCPReq {
/**
* Sender(s) / Reciver(s)
*/
friend class Dbdih;
public:
STATIC_CONST( SignalLength = 2 );
private:
Uint32 masterRef;
Uint32 failedNodeId;
};
/**
*
*/
class MasterGCPRef {
/**
* Sender(s) / Reciver(s)
*/
friend class Dbdih;
public:
STATIC_CONST( SignalLength = 2 );
private:
Uint32 senderNodeId;
Uint32 failedNodeId;
};
#undef JAM_FILE_ID
#endif