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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 GREP_HPP
#define GREP_HPP
#include <ndb_limits.h>
#include <SimulatedBlock.hpp>
#include <NodeBitmask.hpp>
#include <SignalCounter.hpp>
#include <SLList.hpp>
#include <DLList.hpp>
#include <GrepError.hpp>
#include <GrepEvent.hpp>
#include <signaldata/EventReport.hpp>
#include <signaldata/SumaImpl.hpp>
/**
* Module in block (Should be placed elsewhere)
*/
class BlockComponent {
public:
BlockComponent(SimulatedBlock *);
BlockReference reference() { return m_sb->reference(); };
BlockNumber number() { return m_sb->number(); };
void sendSignal(NodeReceiverGroup rg,
GlobalSignalNumber gsn,
Signal* signal,
Uint32 length,
JobBufferLevel jbuf ) const {
m_sb->sendSignal(rg, gsn, signal, length, jbuf);
}
void sendSignal(BlockReference ref,
GlobalSignalNumber gsn,
Signal* signal,
Uint32 length,
JobBufferLevel jbuf ) const {
m_sb->sendSignal(ref, gsn, signal, length, jbuf);
}
void sendSignal(BlockReference ref,
GlobalSignalNumber gsn,
Signal* signal,
Uint32 length,
JobBufferLevel jbuf,
LinearSectionPtr ptr[3],
Uint32 noOfSections) const {
m_sb->sendSignal(ref, gsn, signal, length, jbuf, ptr, noOfSections);
}
void sendSignalWithDelay(BlockReference ref,
GlobalSignalNumber gsn,
Signal* signal,
Uint32 delayInMilliSeconds,
Uint32 length) const {
m_sb->sendSignalWithDelay(ref, gsn, signal, delayInMilliSeconds, length);
}
NodeId getOwnNodeId() const {
return m_sb->getOwnNodeId();
}
bool assembleFragments(Signal * signal) {
return m_sb->assembleFragments(signal);
}
void progError(int line, int err_code, const char* extra) {
m_sb->progError(line, err_code, extra);
}
private:
SimulatedBlock * m_sb;
};
/**
* Participant of GREP Protocols (not necessarily a protocol coordinator)
*
* This object is only used on primary system
*/
#if 0
class GrepParticipant : public SimulatedBlock
{
protected:
GrepParticipant(const Configuration & conf);
virtual ~GrepParticipant();
BLOCK_DEFINES(GrepParticipant);
protected:
/***************************************************************************
* SUMA Signal Interface
***************************************************************************/
void execSUB_CREATE_CONF(Signal*);
void execSUB_STARTCONF(Signal*);
void execSUB_REMOVE_CONF(Signal*);
void execSUB_META_DATA(Signal*);
void execSUB_TABLE_DATA(Signal*);
void execSUB_SYNC_CONF(Signal*);
void execSUB_GCP_COMPLETE_REP(Signal*);
void execSUB_SYNC_CONTINUE_REQ(Signal*);
/***************************************************************************
* GREP Coordinator Signal Interface
***************************************************************************/
void execGREP_CREATE_REQ(Signal*);
void execGREP_START_REQ(Signal*);
void execGREP_SYNC_REQ(Signal*);
void execGREP_REMOVE_REQ(Signal*);
protected:
BlockReference m_repRef; ///< Replication node (only one rep node per grep)
private:
BlockReference m_coordinator;
Uint32 m_latestSeenGCI;
};
#endif
/**
* GREP Coordinator
*/
class Grep : public SimulatedBlock //GrepParticipant
{
BLOCK_DEFINES(Grep);
public:
Grep(const Configuration & conf);
virtual ~Grep();
private:
/***************************************************************************
* General Signal Recivers
***************************************************************************/
void execSTTOR(Signal*);
void sendSTTORRY(Signal*);
void execNDB_STTOR(Signal*);
void execDUMP_STATE_ORD(Signal*);
void execREAD_NODESCONF(Signal*);
void execNODE_FAILREP(Signal*);
void execINCL_NODEREQ(Signal*);
void execGREP_REQ(Signal*);
void execAPI_FAILREQ(Signal*);
/**
* Forwarded to PSCoord
*/
//CONF
void fwdGREP_CREATE_CONF(Signal* s) {
pscoord.execGREP_CREATE_CONF(s); };
void fwdGREP_START_CONF(Signal* s) {
pscoord.execGREP_START_CONF(s); };
void fwdGREP_SYNC_CONF(Signal* s) {
pscoord.execGREP_SYNC_CONF(s); };
void fwdGREP_REMOVE_CONF(Signal* s) {
pscoord.execGREP_REMOVE_CONF(s); };
void fwdCREATE_SUBID_CONF(Signal* s) {
pscoord.execCREATE_SUBID_CONF(s); };
//REF
void fwdGREP_CREATE_REF(Signal* s) {
pscoord.execGREP_CREATE_REF(s); };
void fwdGREP_START_REF(Signal* s) {
pscoord.execGREP_START_REF(s); };
void fwdGREP_SYNC_REF(Signal* s) {
pscoord.execGREP_SYNC_REF(s); };
void fwdGREP_REMOVE_REF(Signal* s) {
pscoord.execGREP_REMOVE_REF(s); };
void fwdCREATE_SUBID_REF(Signal* s) {
pscoord.execCREATE_SUBID_REF(s); };
//REQ
void fwdGREP_SUB_CREATE_REQ(Signal* s) {
pscoord.execGREP_SUB_CREATE_REQ(s); };
void fwdGREP_SUB_START_REQ(Signal* s) {
pscoord.execGREP_SUB_START_REQ(s); };
void fwdGREP_SUB_SYNC_REQ(Signal* s) {
pscoord.execGREP_SUB_SYNC_REQ(s); };
void fwdGREP_SUB_REMOVE_REQ(Signal* s) {
pscoord.execGREP_SUB_REMOVE_REQ(s); };
void fwdGREP_CREATE_SUBID_REQ(Signal* s) {
pscoord.execGREP_CREATE_SUBID_REQ(s); };
/**
* Forwarded to PSPart
*/
void fwdSTART_ME(Signal* s){
pspart.execSTART_ME(s);
};
void fwdGREP_ADD_SUB_REQ(Signal* s){
pspart.execGREP_ADD_SUB_REQ(s);
};
void fwdGREP_ADD_SUB_REF(Signal* s){
pspart.execGREP_ADD_SUB_REF(s);
};
void fwdGREP_ADD_SUB_CONF(Signal* s){
pspart.execGREP_ADD_SUB_CONF(s);
};
//CONF
void fwdSUB_CREATE_CONF(Signal* s) {
pspart.execSUB_CREATE_CONF(s); };
void fwdSUB_START_CONF(Signal* s) {
pspart.execSUB_START_CONF(s); };
void fwdSUB_REMOVE_CONF(Signal* s) {
pspart.execSUB_REMOVE_CONF(s); };
void fwdSUB_SYNC_CONF(Signal* s) {
pspart.execSUB_SYNC_CONF(s); };
//REF
void fwdSUB_CREATE_REF(Signal* s) {
pspart.execSUB_CREATE_REF(s); };
void fwdSUB_START_REF(Signal* s) {
pspart.execSUB_START_REF(s); };
void fwdSUB_REMOVE_REF(Signal* s) {
pspart.execSUB_REMOVE_REF(s); };
void fwdSUB_SYNC_REF(Signal* s) {
pspart.execSUB_SYNC_REF(s); };
//REQ
void fwdSUB_SYNC_CONTINUE_REQ(Signal* s) {
pspart.execSUB_SYNC_CONTINUE_REQ(s); };
void fwdGREP_CREATE_REQ(Signal* s) {
pspart.execGREP_CREATE_REQ(s); };
void fwdGREP_START_REQ(Signal* s) {
pspart.execGREP_START_REQ(s); };
void fwdGREP_SYNC_REQ(Signal* s) {
pspart.execGREP_SYNC_REQ(s); };
void fwdGREP_REMOVE_REQ(Signal* s) {
pspart.execGREP_REMOVE_REQ(s); };
void fwdSUB_META_DATA(Signal* s) {
pspart.execSUB_META_DATA(s); };
void fwdSUB_TABLE_DATA(Signal* s) {
pspart.execSUB_TABLE_DATA(s); };
void fwdSUB_GCP_COMPLETE_REP(Signal* s) {
pspart.execSUB_GCP_COMPLETE_REP(s); };
void sendEventRep(Signal * signal,
Ndb_logevent_type type,
GrepEvent::Subscription event,
Uint32 subId,
Uint32 subKey,
Uint32 err,
Uint32 gci=0);
void getNodeGroupMembers(Signal* signal);
/***************************************************************************
* Block Data
***************************************************************************/
struct Node {
Uint32 nodeId;
Uint32 alive;
Uint32 nextList;
union { Uint32 prevList; Uint32 nextPool; };
};
typedef Ptr<Node> NodePtr;
NodeId m_masterNodeId;
SLList<Node> m_nodes;
NdbNodeBitmask m_aliveNodes;
ArrayPool<Node> m_nodePool;
/**
* for all Suma's to keep track of other Suma's in Node group
*/
Uint32 c_nodeGroup;
Uint32 c_noNodesInGroup;
Uint32 c_idInNodeGroup;
NodeId c_nodesInGroup[4];
public:
/***************************************************************************
* GREP PS Coordinator
***************************************************************************/
class PSCoord : public BlockComponent {
private:
struct SubCoordinator {
Uint32 m_subscriberRef;
Uint32 m_subscriberData;
Uint32 m_coordinatorRef;
Uint32 m_subscriptionId;
Uint32 m_subscriptionKey;
Uint32 m_subscriptionType;
NdbNodeBitmask m_participants;
Uint32 m_outstandingRequest;
SignalCounter m_outstandingParticipants;
Uint32 nextHash;
union { Uint32 prevHash; Uint32 nextPool; };
Uint32 hashValue() const {
return m_subscriptionId + m_subscriptionKey;
}
bool equal(const SubCoordinator & s) const {
return
m_subscriptionId == s.m_subscriptionId &&
m_subscriptionKey == s.m_subscriptionKey;
}
};
typedef Ptr<SubCoordinator> SubCoordinatorPtr;
ArrayPool<SubCoordinator> c_subCoordinatorPool;
DLHashTable<SubCoordinator>::Iterator c_subPtr;
DLHashTable<SubCoordinator> c_runningSubscriptions;
void prepareOperationRec(SubCoordinatorPtr ptr,
BlockReference subscriber,
Uint32 subId,
Uint32 subKey,
Uint32 request);
public:
PSCoord(class Grep *);
void execGREP_CREATE_CONF(Signal*);
void execGREP_START_CONF(Signal*);
void execGREP_SYNC_CONF(Signal*);
void execGREP_REMOVE_CONF(Signal*);
void execGREP_CREATE_REF(Signal*);
void execGREP_START_REF(Signal*);
void execGREP_SYNC_REF(Signal*);
void execGREP_REMOVE_REF(Signal*);
void execCREATE_SUBID_CONF(Signal*); //comes from SUMA
void execGREP_CREATE_SUBID_REQ(Signal*);
void execGREP_SUB_CREATE_REQ(Signal*);
void execGREP_SUB_START_REQ(Signal*);
void execGREP_SUB_SYNC_REQ(Signal*);
void execGREP_SUB_REMOVE_REQ(Signal*);
void execCREATE_SUBID_REF(Signal*);
void sendCreateSubIdRef_SS(Signal * signal,
Uint32 subId,
Uint32 subKey,
BlockReference to,
GrepError::GE_Code err);
void sendSubRemoveRef_SS(Signal * signal,
SubCoordinator sub,
GrepError::GE_Code err);
void sendRefToSS(Signal * signal,
SubCoordinator sub,
GrepError::GE_Code err,
SubscriptionData::Part part = (SubscriptionData::Part)0);
void setRepRef(BlockReference rr) { m_repRef = rr; };
//void setAliveNodes(NdbNodeBitmask an) { m_aliveNodes = an; };
BlockReference m_repRef; ///< Rep node (only one rep node per grep)
// NdbNodeBitmask m_aliveNodes;
Uint32 m_outstandingRequest;
SignalCounter m_outstandingParticipants;
Grep * m_grep;
} pscoord;
friend class PSCoord;
/***************************************************************************
* GREP PS Participant
***************************************************************************
* Participant of GREP Protocols (not necessarily a protocol coordinator)
*
* This object is only used on primary system
***************************************************************************/
class PSPart: public BlockComponent
{
//protected:
//GrepParticipant(const Configuration & conf);
//virtual ~GrepParticipant();
//BLOCK_DEFINES(GrepParticipant);
struct Subscription {
Uint32 m_subscriberRef;
Uint32 m_subscriberData;
Uint32 m_subscriptionId;
Uint32 m_subscriptionKey;
Uint32 m_subscriptionType;
Uint32 m_coordinatorRef;
Uint32 m_outstandingRequest;
Uint32 m_operationPtrI;
Uint32 nextHash;
union { Uint32 prevHash; Uint32 nextPool; };
Uint32 hashValue() const {
return m_subscriptionId + m_subscriptionKey;
}
bool equal(const Subscription & s) const {
return
m_subscriptionId == s.m_subscriptionId &&
m_subscriptionKey == s.m_subscriptionKey;
}
};
typedef Ptr<Subscription> SubscriptionPtr;
DLHashTable<Subscription> c_subscriptions;
DLHashTable<Subscription>::Iterator c_subPtr;
ArrayPool<Subscription> c_subscriptionPool;
public:
PSPart(class Grep *);
//protected:
/*************************************************************************
* SUMA Signal Interface
*************************************************************************/
void execSUB_CREATE_CONF(Signal*);
void execSUB_START_CONF(Signal*);
void execSUB_SYNC_CONF(Signal*);
void execSUB_REMOVE_CONF(Signal*);
void execSUB_CREATE_REF(Signal*);
void execSUB_START_REF(Signal*);
void execSUB_SYNC_REF(Signal*);
void execSUB_REMOVE_REF(Signal*);
void execSUB_META_DATA(Signal*);
void execSUB_TABLE_DATA(Signal*);
void execSUB_GCP_COMPLETE_REP(Signal*);
void execSUB_SYNC_CONTINUE_REQ(Signal*);
/*************************************************************************
* GREP Coordinator Signal Interface
*************************************************************************/
void execGREP_CREATE_REQ(Signal*);
void execGREP_START_REQ(Signal*);
void execGREP_SYNC_REQ(Signal*);
void execGREP_REMOVE_REQ(Signal*);
/**
* NR/NF signals
*/
void execSTART_ME(Signal *);
void execGREP_ADD_SUB_REQ(Signal *);
void execGREP_ADD_SUB_REF(Signal *);
void execGREP_ADD_SUB_CONF(Signal *);
/*************************************************************************
* GREP Coordinator error handling interface
*************************************************************************/
void sendRefToPSCoord(Signal * signal,
Subscription sub,
GrepError::GE_Code err,
SubscriptionData::Part part = (SubscriptionData::Part)0);
//protected:
BlockReference m_repRef; ///< Replication node
///< (only one rep node per grep)
bool m_recoveryMode;
private:
BlockReference m_coordinator;
Uint32 m_firstScanGCI;
Uint32 m_lastScanGCI;
Uint32 m_latestSeenGCI;
Grep * m_grep;
} pspart;
friend class PSPart;
/***************************************************************************
* AddRecSignal Stuff (should maybe be gerneralized)
***************************************************************************/
typedef void (Grep::* ExecSignalLocal1) (Signal* signal);
typedef void (Grep::PSCoord::* ExecSignalLocal2) (Signal* signal);
typedef void (Grep::PSPart::* ExecSignalLocal4) (Signal* signal);
};
/*************************************************************************
* Requestor
*
* The following methods are callbacks (registered functions)
* for the Requestor. The Requestor calls these when it needs
* something to be done.
*************************************************************************/
void startSubscription(void * cbObj, Signal*, int type);
void scanSubscription(void * cbObj, Signal*, int type);
#endif