TcKeyReq.hpp
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上传日期:2022-05-23
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- /* 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 TC_KEY_REQ_H
- #define TC_KEY_REQ_H
- #include "SignalData.hpp"
- /**
- * @class TcKeyReq
- * @brief Contains KeyInfo and AttrInfo and is commonly followed by more signals
- *
- * - SENDER: API, NDBCNTR
- * - RECEIVER: TC
- */
- class TcKeyReq {
- /**
- * Receiver(s)
- */
- friend class Dbtc; // Receiver
- /**
- * Sender(s)
- */
- friend class Ndbcntr;
- friend class NdbOperation;
- friend class NdbIndexOperation;
- friend class NdbScanOperation;
- friend class DbUtil;
- /**
- * For printing
- */
- friend bool printTCKEYREQ(FILE *, const Uint32 *, Uint32, Uint16);
- friend bool printTCINDXREQ(FILE *, const Uint32 *, Uint32, Uint16);
- public:
- /**
- * Length of signal
- */
- STATIC_CONST( StaticLength = 8 );
- STATIC_CONST( SignalLength = 25 );
- STATIC_CONST( MaxKeyInfo = 8 );
- STATIC_CONST( MaxAttrInfo = 5 );
- STATIC_CONST( MaxTotalAttrInfo = 0xFFFF );
- private:
- enum AbortOption {
- CommitIfFailFree = 0, AbortOnError = 0,
- CommitAsMuchAsPossible = 2, IgnoreError = 2
- };
-
- typedef AbortOption CommitType;
-
- /**
- * DATA VARIABLES
- */
- // ----------------------------------------------------------------------
- // Unconditional part = must be present in signal. First 8 words
- // ----------------------------------------------------------------------
- Uint32 apiConnectPtr; // DATA 0
- union {
- Uint32 senderData;
- UintR apiOperationPtr; // DATA 1
- };
- /**
- * ATTRIBUTE INFO (attrinfo) LENGTH
- * This is the total length of all attribute info that is sent from
- * the application as part of this operation.
- * It includes all attribute info sent in possible attrinfo
- * signals as well as the attribute info sent in TCKEYREQ.
- */
- UintR attrLen; // DATA 2 (also stores API Version)
- UintR tableId; // DATA 3
- UintR requestInfo; // DATA 4 Various transaction flags
- UintR tableSchemaVersion; // DATA 5
- UintR transId1; // DATA 6
- UintR transId2; // DATA 7
- // ----------------------------------------------------------------------
- // Conditional part = can be present in signal.
- // These four words will be sent only if their indicator is set.
- // ----------------------------------------------------------------------
- UintR scanInfo; // DATA 8 Various flags for scans
- UintR distrGroupHashValue; // DATA 9
- UintR distributionKeySize; // DATA 10
- UintR storedProcId; // DATA 11
- // ----------------------------------------------------------------------
- // Variable sized KEY and ATTRINFO part.
- // These will be placed to pack the signal in an appropriate manner.
- // ----------------------------------------------------------------------
- UintR keyInfo[MaxKeyInfo]; // DATA 12 - 19
- UintR attrInfo[MaxAttrInfo]; // DATA 20 - 24
-
- /**
- * Get:ers for attrLen
- */
- static Uint16 getAPIVersion(const UintR & attrLen);
- static Uint16 getAttrinfoLen(const UintR & attrLen);
- static void setAPIVersion(UintR & attrLen, Uint16 apiVersion);
- static void setAttrinfoLen(UintR & attrLen, Uint16 aiLen);
- /**
- * Get:ers for requestInfo
- */
- static Uint8 getCommitFlag(const UintR & requestInfo);
- static Uint8 getAbortOption(const UintR & requestInfo);
- static Uint8 getStartFlag(const UintR & requestInfo);
- static Uint8 getSimpleFlag(const UintR & requestInfo);
- static Uint8 getDirtyFlag(const UintR & requestInfo);
- static Uint8 getInterpretedFlag(const UintR & requestInfo);
- static Uint8 getDistributionGroupFlag(const UintR & requestInfo);
- static Uint8 getDistributionGroupTypeFlag(const UintR & requestInfo);
- static Uint8 getDistributionKeyFlag(const UintR & requestInfo);
- static Uint8 getScanIndFlag(const UintR & requestInfo);
- static Uint8 getOperationType(const UintR & requestInfo);
- static Uint8 getExecuteFlag(const UintR & requestInfo);
- static Uint16 getKeyLength(const UintR & requestInfo);
- static Uint8 getAIInTcKeyReq(const UintR & requestInfo);
- static Uint8 getExecutingTrigger(const UintR & requestInfo);
- /**
- * Get:ers for scanInfo
- */
- static Uint8 getTakeOverScanFlag(const UintR & scanInfo);
- static Uint16 getTakeOverScanNode(const UintR & scanInfo);
- static Uint32 getTakeOverScanInfo(const UintR & scanInfo);
- /**
- * Set:ers for requestInfo
- */
- static void clearRequestInfo(UintR & requestInfo);
- static void setAbortOption(UintR & requestInfo, Uint32 type);
- static void setCommitFlag(UintR & requestInfo, Uint32 flag);
- static void setStartFlag(UintR & requestInfo, Uint32 flag);
- static void setSimpleFlag(UintR & requestInfo, Uint32 flag);
- static void setDirtyFlag(UintR & requestInfo, Uint32 flag);
- static void setInterpretedFlag(UintR & requestInfo, Uint32 flag);
- static void setDistributionGroupFlag(UintR & requestInfo, Uint32 flag);
- static void setDistributionGroupTypeFlag(UintR & requestInfo, Uint32 flag);
- static void setDistributionKeyFlag(UintR & requestInfo, Uint32 flag);
- static void setScanIndFlag(UintR & requestInfo, Uint32 flag);
- static void setExecuteFlag(UintR & requestInfo, Uint32 flag);
- static void setOperationType(UintR & requestInfo, Uint32 type);
-
- static void setKeyLength(UintR & requestInfo, Uint32 len);
- static void setAIInTcKeyReq(UintR & requestInfo, Uint32 len);
- static void setExecutingTrigger(UintR & requestInfo, Uint32 flag);
- /**
- * Set:ers for scanInfo
- */
- static void setTakeOverScanFlag(UintR & scanInfo, Uint8 flag);
- static void setTakeOverScanNode(UintR & scanInfo, Uint16 node);
- static void setTakeOverScanInfo(UintR & scanInfo, Uint32 aScanInfo);
- };
- /**
- * Request Info
- *
- a = Attr Info in TCKEYREQ - 3 Bits -> Max 7 (Bit 16-18)
- b = Distribution Key Ind - 1 Bit 2
- c = Commit Indicator - 1 Bit 4
- d = Dirty Indicator - 1 Bit 0
- e = Scan Indicator - 1 Bit 14
- f = Execute fired trigger - 1 Bit 19
- g = Distribution Group Ind- 1 Bit 1
- i = Interpreted Indicator - 1 Bit 15
- k = Key length - 12 Bits -> Max 4095 (Bit 20 - 31)
- o = Operation Type - 3 Bits -> Max 7 (Bit 5-7)
- l = Execute - 1 Bit 10
- p = Simple Indicator - 1 Bit 8
- s = Start Indicator - 1 Bit 11
- t = Distribution GroupType- 1 Bit 3
- y = Commit Type - 2 Bit 12-13
- 1111111111222222222233
- 01234567890123456789012345678901
- dgbtcooop lsyyeiaaafkkkkkkkkkkkk
- */
- #define COMMIT_SHIFT (4)
- #define START_SHIFT (11)
- #define SIMPLE_SHIFT (8)
- #define DIRTY_SHIFT (0)
- #define EXECUTE_SHIFT (10)
- #define INTERPRETED_SHIFT (15)
- #define DISTR_GROUP_SHIFT (1)
- #define DISTR_GROUP_TYPE_SHIFT (3)
- #define DISTR_KEY_SHIFT (2)
- #define SCAN_SHIFT (14)
- #define OPERATION_SHIFT (5)
- #define OPERATION_MASK (7)
- #define AINFO_SHIFT (16)
- #define AINFO_MASK (7)
- #define KEY_LEN_SHIFT (20)
- #define KEY_LEN_MASK (4095)
- #define COMMIT_TYPE_SHIFT (12)
- #define COMMIT_TYPE_MASK (3)
- #define EXECUTING_TRIGGER_SHIFT (19)
- /**
- * Scan Info
- *
- t = Scan take over indicator - 1 Bit
- n = Take over node - 12 Bits -> max 65535
- p = Scan Info - 18 Bits -> max 4095
- 1111111111222222222233
- 01234567890123456789012345678901
- tpppppppppppppppppp nnnnnnnnnnnn
- */
- #define TAKE_OVER_SHIFT (0)
- #define TAKE_OVER_NODE_SHIFT (20)
- #define TAKE_OVER_NODE_MASK (4095)
- #define SCAN_INFO_SHIFT (1)
- #define SCAN_INFO_MASK (262143)
- /**
- * Attr Len
- *
- n = Attrinfo length(words) - 16 Bits -> max 65535
- a = API version no - 16 Bits -> max 65535
- 1111111111222222222233
- 01234567890123456789012345678901
- aaaaaaaaaaaaaaaannnnnnnnnnnnnnnn
- */
- #define API_VER_NO_SHIFT (16)
- #define API_VER_NO_MASK (65535)
- #define ATTRLEN_SHIFT (0)
- #define ATTRLEN_MASK (65535)
- inline
- Uint8
- TcKeyReq::getCommitFlag(const UintR & requestInfo){
- return (Uint8)((requestInfo >> COMMIT_SHIFT) & 1);
- }
- inline
- Uint8
- TcKeyReq::getAbortOption(const UintR & requestInfo){
- return (Uint8)((requestInfo >> COMMIT_TYPE_SHIFT) & COMMIT_TYPE_MASK);
- }
- inline
- Uint8
- TcKeyReq::getStartFlag(const UintR & requestInfo){
- return (Uint8)((requestInfo >> START_SHIFT) & 1);
- }
- inline
- Uint8
- TcKeyReq::getSimpleFlag(const UintR & requestInfo){
- return (Uint8)((requestInfo >> SIMPLE_SHIFT) & 1);
- }
- inline
- Uint8
- TcKeyReq::getExecuteFlag(const UintR & requestInfo){
- return (Uint8)((requestInfo >> EXECUTE_SHIFT) & 1);
- }
- inline
- Uint8
- TcKeyReq::getDirtyFlag(const UintR & requestInfo){
- return (Uint8)((requestInfo >> DIRTY_SHIFT) & 1);
- }
- inline
- Uint8
- TcKeyReq::getInterpretedFlag(const UintR & requestInfo){
- return (Uint8)((requestInfo >> INTERPRETED_SHIFT) & 1);
- }
- inline
- Uint8
- TcKeyReq::getDistributionGroupFlag(const UintR & requestInfo){
- return (Uint8)((requestInfo >> DISTR_GROUP_SHIFT) & 1);
- }
- inline
- Uint8
- TcKeyReq::getDistributionGroupTypeFlag(const UintR & requestInfo){
- return (Uint8)((requestInfo >> DISTR_GROUP_TYPE_SHIFT) & 1);
- }
- inline
- Uint8
- TcKeyReq::getDistributionKeyFlag(const UintR & requestInfo){
- return (Uint8)((requestInfo >> DISTR_KEY_SHIFT) & 1);
- }
- inline
- Uint8
- TcKeyReq::getScanIndFlag(const UintR & requestInfo){
- return (Uint8)((requestInfo >> SCAN_SHIFT) & 1);
- }
- inline
- Uint8
- TcKeyReq::getOperationType(const UintR & requestInfo){
- return (Uint8)((requestInfo >> OPERATION_SHIFT) & OPERATION_MASK);
- }
- inline
- Uint16
- TcKeyReq::getKeyLength(const UintR & requestInfo){
- return (Uint16)((requestInfo >> KEY_LEN_SHIFT) & KEY_LEN_MASK);
- }
- inline
- Uint8
- TcKeyReq::getAIInTcKeyReq(const UintR & requestInfo){
- return (Uint8)((requestInfo >> AINFO_SHIFT) & AINFO_MASK);
- }
- inline
- Uint8
- TcKeyReq::getExecutingTrigger(const UintR & requestInfo){
- return (Uint8)((requestInfo >> EXECUTING_TRIGGER_SHIFT) & 1);
- }
- inline
- void
- TcKeyReq::clearRequestInfo(UintR & requestInfo){
- requestInfo = 0;
- }
- inline
- void
- TcKeyReq::setAbortOption(UintR & requestInfo, Uint32 type){
- ASSERT_MAX(type, COMMIT_TYPE_MASK, "TcKeyReq::setAbortOption");
- requestInfo &= ~(COMMIT_TYPE_MASK << COMMIT_TYPE_SHIFT);
- requestInfo |= (type << COMMIT_TYPE_SHIFT);
- }
- inline
- void
- TcKeyReq::setCommitFlag(UintR & requestInfo, Uint32 flag){
- ASSERT_BOOL(flag, "TcKeyReq::setCommitFlag");
- requestInfo &= ~(1 << COMMIT_SHIFT);
- requestInfo |= (flag << COMMIT_SHIFT);
- }
- inline
- void
- TcKeyReq::setStartFlag(UintR & requestInfo, Uint32 flag){
- ASSERT_BOOL(flag, "TcKeyReq::setStartFlag");
- requestInfo &= ~(1 << START_SHIFT);
- requestInfo |= (flag << START_SHIFT);
- }
- inline
- void
- TcKeyReq::setSimpleFlag(UintR & requestInfo, Uint32 flag){
- ASSERT_BOOL(flag, "TcKeyReq::setSimpleFlag");
- requestInfo &= ~(1 << SIMPLE_SHIFT);
- requestInfo |= (flag << SIMPLE_SHIFT);
- }
- inline
- void
- TcKeyReq::setDirtyFlag(UintR & requestInfo, Uint32 flag){
- ASSERT_BOOL(flag, "TcKeyReq::setDirstFlag");
- requestInfo &= ~(1 << DIRTY_SHIFT);
- requestInfo |= (flag << DIRTY_SHIFT);
- }
- inline
- void
- TcKeyReq::setExecuteFlag(UintR & requestInfo, Uint32 flag){
- ASSERT_BOOL(flag, "TcKeyReq::setExecuteFlag");
- requestInfo &= ~(1 << EXECUTE_SHIFT);
- requestInfo |= (flag << EXECUTE_SHIFT);
- }
- inline
- void
- TcKeyReq::setInterpretedFlag(UintR & requestInfo, Uint32 flag){
- ASSERT_BOOL(flag, "TcKeyReq::setInterpretedFlag");
- requestInfo &= ~(1 << INTERPRETED_SHIFT);
- requestInfo |= (flag << INTERPRETED_SHIFT);
- }
- inline
- void
- TcKeyReq::setDistributionGroupTypeFlag(UintR & requestInfo, Uint32 flag){
- ASSERT_BOOL(flag, "TcKeyReq::setDistributionGroupTypeFlag");
- requestInfo &= ~(1 << DISTR_GROUP_TYPE_SHIFT);
- requestInfo |= (flag << DISTR_GROUP_TYPE_SHIFT);
- }
- inline
- void
- TcKeyReq::setDistributionGroupFlag(UintR & requestInfo, Uint32 flag){
- ASSERT_BOOL(flag, "TcKeyReq::setDistributionGroupFlag");
- requestInfo &= ~(1 << DISTR_GROUP_SHIFT);
- requestInfo |= (flag << DISTR_GROUP_SHIFT);
- }
- inline
- void
- TcKeyReq::setDistributionKeyFlag(UintR & requestInfo, Uint32 flag){
- ASSERT_BOOL(flag, "TcKeyReq::setDistributionKeyFlag");
- requestInfo &= ~(1 << DISTR_KEY_SHIFT);
- requestInfo |= (flag << DISTR_KEY_SHIFT);
- }
- inline
- void
- TcKeyReq::setScanIndFlag(UintR & requestInfo, Uint32 flag){
- ASSERT_BOOL(flag, "TcKeyReq::setScanIndFlag");
- requestInfo &= ~(1 << SCAN_SHIFT);
- requestInfo |= (flag << SCAN_SHIFT);
- }
- inline
- void
- TcKeyReq::setOperationType(UintR & requestInfo, Uint32 type){
- ASSERT_MAX(type, OPERATION_MASK, "TcKeyReq::setOperationType");
- requestInfo &= ~(OPERATION_MASK << OPERATION_SHIFT);
- requestInfo |= (type << OPERATION_SHIFT);
- }
- inline
- void
- TcKeyReq::setKeyLength(UintR & requestInfo, Uint32 len){
- ASSERT_MAX(len, KEY_LEN_MASK, "TcKeyReq::setKeyLength");
- requestInfo &= ~(KEY_LEN_MASK << KEY_LEN_SHIFT);
- requestInfo |= (len << KEY_LEN_SHIFT);
- }
- inline
- void
- TcKeyReq::setAIInTcKeyReq(UintR & requestInfo, Uint32 len){
- ASSERT_MAX(len, AINFO_MASK, "TcKeyReq::setAIInTcKeyReq");
- requestInfo &= ~(AINFO_MASK << AINFO_SHIFT);
- requestInfo |= (len << AINFO_SHIFT);
- }
- inline
- void
- TcKeyReq::setExecutingTrigger(UintR & requestInfo, Uint32 flag){
- ASSERT_BOOL(flag, "TcKeyReq::setExecutingTrigger");
- requestInfo &= ~(1 << EXECUTING_TRIGGER_SHIFT);
- requestInfo |= (flag << EXECUTING_TRIGGER_SHIFT);
- }
- inline
- Uint8
- TcKeyReq::getTakeOverScanFlag(const UintR & scanInfo){
- return (Uint8)((scanInfo >> TAKE_OVER_SHIFT) & 1);
- }
- inline
- Uint16
- TcKeyReq::getTakeOverScanNode(const UintR & scanInfo){
- return (Uint16)((scanInfo >> TAKE_OVER_NODE_SHIFT) & TAKE_OVER_NODE_MASK);
- }
- inline
- Uint32
- TcKeyReq::getTakeOverScanInfo(const UintR & scanInfo){
- return (Uint32)((scanInfo >> SCAN_INFO_SHIFT) & SCAN_INFO_MASK);
- }
- inline
- void
- TcKeyReq::setTakeOverScanFlag(UintR & scanInfo, Uint8 flag){
- ASSERT_BOOL(flag, "TcKeyReq::setTakeOverScanFlag");
- scanInfo |= (flag << TAKE_OVER_SHIFT);
- }
- inline
- void
- TcKeyReq::setTakeOverScanNode(UintR & scanInfo, Uint16 node){
- // ASSERT_MAX(node, TAKE_OVER_NODE_MASK, "TcKeyReq::setTakeOverScanNode");
- scanInfo |= (node << TAKE_OVER_NODE_SHIFT);
- }
- inline
- void
- TcKeyReq::setTakeOverScanInfo(UintR & scanInfo, Uint32 aScanInfo){
- // ASSERT_MAX(aScanInfo, SCAN_INFO_MASK, "TcKeyReq::setTakeOverScanInfo");
- scanInfo |= (aScanInfo << SCAN_INFO_SHIFT);
- }
- inline
- Uint16
- TcKeyReq::getAPIVersion(const UintR & anAttrLen){
- return (Uint16)((anAttrLen >> API_VER_NO_SHIFT) & API_VER_NO_MASK);
- }
- inline
- void
- TcKeyReq::setAPIVersion(UintR & anAttrLen, Uint16 apiVersion){
- // ASSERT_MAX(apiVersion, API_VER_NO_MASK, "TcKeyReq::setAPIVersion");
- anAttrLen |= (apiVersion << API_VER_NO_SHIFT);
- }
- inline
- Uint16
- TcKeyReq::getAttrinfoLen(const UintR & anAttrLen){
- return (Uint16)((anAttrLen) & ATTRLEN_MASK);
- }
- inline
- void
- TcKeyReq::setAttrinfoLen(UintR & anAttrLen, Uint16 aiLen){
- // ASSERT_MAX(aiLen, ATTRLEN_MASK, "TcKeyReq::setAttrinfoLen");
- anAttrLen |= aiLen;
- }
- #endif