244 lines
6.7 KiB
C++
244 lines
6.7 KiB
C++
/*
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Copyright (c) 2003, 2014, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License, version 2.0, for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef LQH_TRANS_CONF_H
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#define LQH_TRANS_CONF_H
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#include "SignalData.hpp"
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#define JAM_FILE_ID 21
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/**
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* This signal is sent as response to a LQH_TRANSREQ
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* which is sent as by a take-over TC
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*/
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class LqhTransConf {
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/**
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* Reciver(s)
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*/
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friend class Dbtc;
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/**
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* Sender(s)
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*/
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friend class Dblqh;
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friend class DblqhProxy;
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friend bool printLQH_TRANSCONF(FILE *, const Uint32 *, Uint32, Uint16);
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public:
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STATIC_CONST( SignalLength = 18 );
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/**
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* Upgrade
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*/
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STATIC_CONST( SignalLength_GCI_LO = 16 );
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STATIC_CONST( SignalLength_FRAG_ID = 17 );
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STATIC_CONST( SignalLength_INST_ID = 18 );
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private:
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/**
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* This type describes the state of the operation returned in this signal
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*/
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enum OperationStatus {
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InvalidStatus = 0, /**< This status should never be sent in a signal
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it is only used for initializing variables so that
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you can easily later check if they have changed */
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LastTransConf = 4, /**< This status indicates that LQH has finished the scan
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of operations belonging to the died TC.
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Data 0 - 2 is valid */
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Prepared = 2,
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Committed = 3,
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Aborted = 1,
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Marker = 5 /**< This means that the only thing left is a marker,
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Data 0 - 6 is valid */
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};
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/**
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* DATA VARIABLES
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*/
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Uint32 tcRef; // 0
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Uint32 lqhNodeId; // 1
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Uint32 operationStatus; // 2 See enum OperationStatus
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Uint32 transId1; // 3
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Uint32 transId2; // 4
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Uint32 apiRef; // 5
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Uint32 apiOpRec; // 6
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Uint32 lqhConnectPtr;
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Uint32 oldTcOpRec;
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Uint32 requestInfo;
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Uint32 gci_hi;
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Uint32 nextNodeId1;
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Uint32 nextNodeId2;
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Uint32 nextNodeId3;
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Uint32 tableId;
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Uint32 gci_lo;
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Uint32 fragId;
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Uint32 maxInstanceId;
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/**
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* Getters
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*/
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static Uint32 getReplicaNo(Uint32 & requestInfo);
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static Uint32 getReplicaType(Uint32 & requestInfo);
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static Uint32 getLastReplicaNo(Uint32 & requestInfo);
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static Uint32 getSimpleFlag(Uint32 & requestInfo);
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static Uint32 getDirtyFlag(Uint32 & requestInfo);
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static Uint32 getOperation(Uint32 & requestInfo);
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static Uint32 getMarkerFlag(Uint32 & requestInfo);
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static void setReplicaNo(UintR & requestInfo, UintR val);
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static void setReplicaType(UintR & requestInfo, UintR val);
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static void setLastReplicaNo(UintR & requestInfo, UintR val);
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static void setSimpleFlag(UintR & requestInfo, UintR val);
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static void setDirtyFlag(UintR & requestInfo, UintR val);
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static void setOperation(UintR & requestInfo, UintR val);
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static void setMarkerFlag(Uint32 & requestInfo, Uint32 val);
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};
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/**
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* Request Info
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*
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* t = replica type - 2 Bits (0-1)
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* r = Replica No - 2 Bits (2-3)
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* l = Last Replica No - 2 Bits (4-5)
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* s = Simple - 1 Bits (6)
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* d = Dirty - 1 Bit (7)
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* o = Operation - 3 Bit (8-9)
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* m = Marker present - 1 Bit (10)
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*
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* 1111111111222222222233
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* 01234567890123456789012345678901
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* ttrrllsdooom
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*/
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#define LTC_REPLICA_TYPE_SHIFT (0)
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#define LTC_REPLICA_TYPE_MASK (3)
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#define LTC_REPLICA_NO_SHIFT (2)
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#define LTC_REPLICA_NO_MASK (3)
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#define LTC_LAST_REPLICA_SHIFT (4)
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#define LTC_LAST_REPLICA_MASK (3)
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#define LTC_SIMPLE_SHIFT (6)
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#define LTC_DIRTY_SHIFT (7)
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#define LTC_OPERATION_SHIFT (8)
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#define LTC_OPERATION_MASK (7)
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#define LTC_MARKER_SHIFT (10)
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inline
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Uint32
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LqhTransConf::getReplicaType(Uint32 & requestInfo){
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return (requestInfo >> LTC_REPLICA_TYPE_SHIFT) & LTC_REPLICA_TYPE_MASK;
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}
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inline
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Uint32
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LqhTransConf::getReplicaNo(Uint32 & requestInfo){
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return (requestInfo >> LTC_REPLICA_NO_SHIFT) & LTC_REPLICA_NO_MASK;
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}
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inline
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Uint32
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LqhTransConf::getLastReplicaNo(Uint32 & requestInfo){
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return (requestInfo >> LTC_LAST_REPLICA_SHIFT) & LTC_LAST_REPLICA_MASK;
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}
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inline
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Uint32
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LqhTransConf::getSimpleFlag(Uint32 & requestInfo){
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return (requestInfo >> LTC_SIMPLE_SHIFT) & 1;
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}
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inline
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Uint32
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LqhTransConf::getDirtyFlag(Uint32 & requestInfo){
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return (requestInfo >> LTC_DIRTY_SHIFT) & 1;
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}
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inline
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Uint32
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LqhTransConf::getOperation(Uint32 & requestInfo){
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return (requestInfo >> LTC_OPERATION_SHIFT) & LTC_OPERATION_MASK;
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}
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inline
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Uint32
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LqhTransConf::getMarkerFlag(Uint32 & requestInfo){
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return (requestInfo >> LTC_MARKER_SHIFT) & 1;
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}
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inline
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void
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LqhTransConf::setReplicaNo(UintR & requestInfo, UintR val){
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ASSERT_MAX(val, LTC_REPLICA_NO_MASK, "LqhTransConf::setReplicaNo");
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requestInfo |= (val << LTC_REPLICA_NO_SHIFT);
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}
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inline
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void
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LqhTransConf::setReplicaType(UintR & requestInfo, UintR val){
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ASSERT_MAX(val, LTC_REPLICA_TYPE_MASK, "LqhTransConf::setReplicaType");
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requestInfo |= (val << LTC_REPLICA_TYPE_SHIFT);
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}
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inline
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void
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LqhTransConf::setLastReplicaNo(UintR & requestInfo, UintR val){
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ASSERT_MAX(val, LTC_LAST_REPLICA_MASK, "LqhTransConf::setLastReplicaNo");
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requestInfo |= (val << LTC_LAST_REPLICA_SHIFT);
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}
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inline
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void
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LqhTransConf::setSimpleFlag(UintR & requestInfo, UintR val){
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ASSERT_BOOL(val, "LqhTransConf::setSimpleFlag");
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requestInfo |= (val << LTC_SIMPLE_SHIFT);
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}
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inline
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void
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LqhTransConf::setDirtyFlag(UintR & requestInfo, UintR val){
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ASSERT_BOOL(val, "LqhTransConf::setDirtyFlag");
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requestInfo |= (val << LTC_DIRTY_SHIFT);
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}
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inline
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void
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LqhTransConf::setOperation(UintR & requestInfo, UintR val){
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ASSERT_MAX(val, LTC_OPERATION_MASK, "LqhTransConf::setOperation");
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requestInfo |= (val << LTC_OPERATION_SHIFT);
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}
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inline
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void
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LqhTransConf::setMarkerFlag(UintR & requestInfo, UintR val){
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ASSERT_BOOL(val, "LqhTransConf::setMarkerFlag");
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requestInfo |= (val << LTC_MARKER_SHIFT);
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}
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#undef JAM_FILE_ID
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#endif
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