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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 TRIX_H
#define TRIX_H
#include <SimulatedBlock.hpp>
#include <trigger_definitions.h>
#include <DataBuffer.hpp>
#include <ArrayList.hpp>
#include <SimpleProperties.hpp>
#include <signaldata/DictTabInfo.hpp>
#include <signaldata/CreateTrig.hpp>
#include <signaldata/BuildIndx.hpp>
// Error codes
#define INTERNAL_ERROR_ILLEGAL_CALL 4344
#define INTERNAL_ERROR_TRIX_BUSY 4345
/**
* TRIX - This block manages triggers and index (in coop with DICT)
*/
class Trix : public SimulatedBlock
{
public:
Trix(const class Configuration & conf);
virtual ~Trix();
public:
// Subscription data, when communicating with SUMA
enum RequestType {
TABLE_REORG = 0,
INDEX_BUILD = 1
};
typedef DataBuffer<11> AttrOrderBuffer;
private:
// Private attributes
BLOCK_DEFINES(Trix);
// Declared but not defined
//DBtrix(const Trix &obj);
//void operator = (const Trix &);
// Block state
enum BlockState {
NOT_STARTED,
STARTED,
NODE_FAILURE,
IDLE,
BUSY
};
BlockState c_blockState;
// Node data needed when communicating with remote TRIX:es
struct NodeRecord {
bool alive;
BlockReference trixRef;
union {
Uint32 nextPool;
Uint32 nextList;
};
Uint32 prevList;
};
typedef Ptr<NodeRecord> NodeRecPtr;
/**
* The pool of node records
*/
ArrayPool<NodeRecord> c_theNodeRecPool;
/**
* The list of other NDB nodes
*/
ArrayList<NodeRecord> c_theNodes;
Uint32 c_masterNodeId;
BlockReference c_masterTrixRef;
Uint16 c_noNodesFailed;
Uint16 c_noActiveNodes;
AttrOrderBuffer::DataBufferPool c_theAttrOrderBufferPool;
struct SubscriptionRecord {
SubscriptionRecord(AttrOrderBuffer::DataBufferPool & aop):
attributeOrder(aop)
{}
RequestType requestType;
BlockReference userReference; // For user
Uint32 connectionPtr; // For user
Uint32 subscriptionId; // For Suma
Uint32 subscriptionKey; // For Suma
Uint32 prepareId; // For DbUtil
Uint32 indexType;
Uint32 sourceTableId;
Uint32 targetTableId;
AttrOrderBuffer attributeOrder;
Uint32 noOfIndexColumns;
Uint32 noOfKeyColumns;
Uint32 parallelism;
BuildIndxRef::ErrorCode errorCode;
bool subscriptionCreated;
bool pendingSubSyncContinueConf;
Uint32 expectedConf; // Count in n UTIL_EXECUTE_CONF + 1 SUB_SYNC_CONF
union {
Uint32 nextPool;
Uint32 nextList;
};
Uint32 prevList;
};
typedef Ptr<SubscriptionRecord> SubscriptionRecPtr;
/**
* The pool of node records
*/
ArrayPool<SubscriptionRecord> c_theSubscriptionRecPool;
/**
* The list of other subscriptions
*/
ArrayList<SubscriptionRecord> c_theSubscriptions;
// System start
void execSTTOR(Signal* signal);
void execNDB_STTOR(Signal* signal);
// Node management
void execREAD_NODESCONF(Signal* signal);
void execREAD_NODESREF(Signal* signal);
void execNODE_FAILREP(Signal* signal);
void execINCL_NODEREQ(Signal* signal);
// Debugging
void execDUMP_STATE_ORD(Signal* signal);
// Build index
void execBUILDINDXREQ(Signal* signal);
void execBUILDINDXCONF(Signal* signal);
void execBUILDINDXREF(Signal* signal);
void execUTIL_PREPARE_CONF(Signal* signal);
void execUTIL_PREPARE_REF(Signal* signal);
void execUTIL_EXECUTE_CONF(Signal* signal);
void execUTIL_EXECUTE_REF(Signal* signal);
void execUTIL_RELEASE_CONF(Signal* signal);
void execUTIL_RELEASE_REF(Signal* signal);
// Suma signals
void execSUB_CREATE_CONF(Signal* signal);
void execSUB_CREATE_REF(Signal* signal);
void execSUB_REMOVE_CONF(Signal* signal);
void execSUB_REMOVE_REF(Signal* signal);
void execSUB_SYNC_CONF(Signal* signal);
void execSUB_SYNC_REF(Signal* signal);
void execSUB_SYNC_CONTINUE_REQ(Signal* signal);
void execSUB_META_DATA(Signal* signal);
void execSUB_TABLE_DATA(Signal* signal);
// Utility functions
void setupSubscription(Signal* signal, SubscriptionRecPtr subRecPtr);
void setupTableScan(Signal* signal, SubscriptionRecPtr subRecPtr);
void startTableScan(Signal* signal, SubscriptionRecPtr subRecPtr);
void prepareInsertTransactions(Signal* signal, SubscriptionRecPtr subRecPtr);
void executeInsertTransaction(Signal* signal, SubscriptionRecPtr subRecPtr,
SegmentedSectionPtr headerPtr,
SegmentedSectionPtr dataPtr);
void buildComplete(Signal* signal, SubscriptionRecPtr subRecPtr);
void buildFailed(Signal* signal,
SubscriptionRecPtr subRecPtr,
BuildIndxRef::ErrorCode);
void checkParallelism(Signal* signal, SubscriptionRecord* subRec);
};
#endif
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