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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 REP_STATE_HPP
#define REP_STATE_HPP
#include <GrepError.hpp>
#include <signaldata/GrepImpl.hpp>
#include <rep/repapi/repapi.h>
#include <rep/ExtSender.hpp>
#include <rep/adapters/AppNDB.hpp>
#include <Properties.hpp>
#include "Channel.hpp"
#include "Interval.hpp"
#define REQUESTOR_EXECUTES_NEEDED_FOR_UNKNOWN_CONNECTION 5
class NdbApiSignal;
/**
* @class RepState
* @brief The main information about the replication
*/
class RepState
{
public:
RepState();
~RepState();
void init(ExtSender * extSender) { m_extSender = extSender; }
/***************************************************************************
* Callback functions
*
* These are used when RepState wants to do something
***************************************************************************/
typedef void (FuncRequestCreateSubscriptionId)
(void * cbObj, NdbApiSignal* signal);
typedef void (FuncRequestCreateSubscription)
(void * cbObj, NdbApiSignal* signal, Uint32 subId,
Uint32 subKey ,
Vector <struct table *> * selectedTables);
typedef void (FuncRequestRemoveSubscription)
(void * cbObj, NdbApiSignal* signal, Uint32 subId, Uint32 subKey);
typedef void (FuncRequestTransfer)
(void * cbObj, NdbApiSignal* signal,
Uint32 nodeGrp, Uint32 first, Uint32 last);
typedef void (FuncRequestApply)
(void * cbObj, NdbApiSignal* signal,
Uint32 nodeGrp, Uint32 first, Uint32 last, Uint32 force);
typedef void (FuncRequestDeleteSS)
(void * cbObj, NdbApiSignal* signal,
Uint32 nodeGrp, Uint32 first, Uint32 last);
typedef void (FuncRequestDeletePS)
(void * cbObj, NdbApiSignal* signal,
Uint32 nodeGrp, Uint32 first, Uint32 last);
typedef void (FuncRequestStartMetaLog)
(void * cbObj, NdbApiSignal * signal, Uint32 subId, Uint32 subKey);
typedef void (FuncRequestStartDataLog)
(void * cbObj, NdbApiSignal * signal, Uint32 subId, Uint32 subKey);
typedef void (FuncRequestStartMetaScan)
(void * cbObj, NdbApiSignal * signal, Uint32 subId, Uint32 subKey);
typedef void (FuncRequestStartDataScan)
(void * cbObj, NdbApiSignal * signal, Uint32 subId, Uint32 subKey);
typedef void (FuncRequestEpochInfo)
(void * cbObj, NdbApiSignal * signal, Uint32 nodeGrp);
/***************************************************************************
*
***************************************************************************/
void setSubscriptionRequests(FuncRequestCreateSubscriptionId f1,
FuncRequestCreateSubscription f2,
FuncRequestRemoveSubscription f3);
void setIntervalRequests(FuncRequestTransfer * f1,
FuncRequestApply * f2,
FuncRequestDeleteSS * f3,
FuncRequestDeletePS * f4);
void setStartRequests(FuncRequestStartMetaLog * f5,
FuncRequestStartDataLog * f6,
FuncRequestStartMetaScan * f7,
FuncRequestStartDataScan * f8,
FuncRequestEpochInfo * f9);
/***************************************************************************
* Enablings
***************************************************************************/
bool isEnabled() { return m_channel.m_requestorEnabled; }
bool isTransferEnabled() { return m_channel.m_transferEnabled; }
bool isApplyEnabled() { return m_channel.m_applyEnabled; }
bool isDeleteEnabled() { return m_channel.m_deleteEnabled; }
bool isAutoStartEnabled() { return m_channel.m_autoStartEnabled; }
void enable() { m_channel.m_requestorEnabled = true; }
void enableTransfer() { m_channel.m_transferEnabled = true; }
void enableApply() { m_channel.m_applyEnabled = true; }
void enableDelete() { m_channel.m_deleteEnabled = true; }
void enableAutoStart() { m_channel.m_autoStartEnabled = true; }
void disable() { m_channel.m_requestorEnabled = false; }
void disableTransfer() { m_channel.m_transferEnabled = false; }
void disableApply() { m_channel.m_applyEnabled = false;}
void disableDelete() { m_channel.m_deleteEnabled = false; }
void disableAutoStart() { m_channel.m_autoStartEnabled = false; }
/***************************************************************************
* Node groups
***************************************************************************/
void setNoOfNodeGroups(Uint32 n) { m_channel.setNoOfNodeGroups(n); }
Uint32 getNoOfNodeGroups() { return m_channel.getNoOfNodeGroups(); }
/***************************************************************************
* Event reporting to RepState
*
* These are used to update the state of the Requestor when something
* has happend.
***************************************************************************/
void request(GrepReq::Request request);
//GrepError::Code createSubscription(Uint32 subId, Uint32 subKey);
GrepError::Code protectedExecute();
GrepError::Code protectedRequest(GrepReq::Request request, Uint32 arg);
GrepError::Code protectedRequest(GrepReq::Request request,
Uint32 arg1,
Uint32 arg2);
GrepError::Code protectedAddTable(const char * fullTableName);
GrepError::Code protectedRemoveTable(const char * fullTableName);
GrepError::Code add(Channel::Position s, Uint32 nodeGrp, const Interval i);
GrepError::Code clear(Channel::Position s, Uint32 nodeGrp, const Interval i);
void eventSubscriptionDeleted(Uint32 subId, Uint32 subKey);
void eventMetaLogStarted(NdbApiSignal*, Uint32 subId, Uint32 subKey);
void eventDataLogStarted(NdbApiSignal*, Uint32 subId, Uint32 subKey);
void eventMetaScanCompleted(NdbApiSignal*, Uint32 subId, Uint32 subKey,
Interval epochs);
void eventDataScanCompleted(NdbApiSignal*, Uint32 subId, Uint32 subKey,
Interval epochs);
void eventMetaScanFailed(Uint32 subId, Uint32 subKey, GrepError::Code error);
void eventDataScanFailed(Uint32 subId, Uint32 subKey, GrepError::Code error);
/**
* @fn sendInsertConf
* @param gci - the gci of the applied GCIBuffer.
* @param nodeGrp - the nodeGrp of the applied GCIBuffer.
*/
void eventInsertConf(Uint32 gci, Uint32 nodeGrp);
/**
* @fn sendInsertRef
* @param gci - the gci of the applied GCIBuffer.
* @param nodeGrp - the nodeGrp of the applied GCIBuffer.
* @param tableId - the table of the applied GCIBuffer.
*/
void eventInsertRef(Uint32 gci, Uint32 nodeGrp, Uint32 tableId,
GrepError::Code err);
void eventCreateTableRef(Uint32 gci,
Uint32 tableId,
const char * tableName,
GrepError::Code err) ;
void eventSubscriptionIdCreated(Uint32 subId, Uint32 subKey);
void eventSubscriptionIdCreateFailed(Uint32 subId, Uint32 subKey,
GrepError::Code error);
void eventSubscriptionCreated(Uint32 subId, Uint32 subKey);
void eventSubscriptionCreateFailed(Uint32 subId, Uint32 subKey,
GrepError::Code error);
void eventMetaLogStartFailed(Uint32 subId, Uint32 subKey,
GrepError::Code error);
void eventDataLogStartFailed(Uint32 subId, Uint32 subKey,
GrepError::Code error);
void eventNodeConnected(Uint32 nodeId);
void eventNodeDisconnected(Uint32 nodeId);
void eventNodeConnectable(Uint32 nodeId);
void printStatus();
Properties * getStatus();
Properties * query(QueryCounter counter, Uint32 replicationId);
Uint32 getSubId() { return m_channel.getSubId(); }
Uint32 getSubKey () { return m_channel.getSubKey(); }
void setApplier(class AppNDB * app) { m_applier = app; }
void setGCIContainer(class GCIContainer * c) { m_gciContainer = c; }
/* @todo should be private */
Channel m_channel;
private:
/***************************************************************************
* PRIVATE ATTRIBUTES
***************************************************************************/
ExtSender * m_extSender;
AppNDB * m_applier;
GCIContainer * m_gciContainer;
Uint32 m_subIdToRemove;
Uint32 m_subKeyToRemove;
enum Connected
{
UNKNOWN, ///<
CONNECTED, ///< Recently received info from (all needed) PS REP
DISCONNECTED, ///< Received disconnect info from (some needed) PS REP
CONNECTABLE ///< Received disconnect info from (some needed) PS REP
};
Connected m_connected;
Connected m_repConnected;
Uint32 m_connected_counter;
NdbMutex * m_mutex;
/** @todo Should be channel-specific */
Uint32 m_stopEpoch;
/***************************************************************************
* PRIVATE METHODS
***************************************************************************/
GrepError::Code execute(NdbApiSignal*);
GrepError::Code request(GrepReq::Request req,
Uint32 arg1,
Uint32 arg2,
NdbApiSignal*);
FuncRequestCreateSubscriptionId * m_funcRequestCreateSubscriptionId;
FuncRequestCreateSubscription * m_funcRequestCreateSubscription;
FuncRequestRemoveSubscription * m_funcRequestRemoveSubscription;
FuncRequestTransfer * m_funcRequestTransfer;
FuncRequestApply * m_funcRequestApply;
FuncRequestDeleteSS * m_funcRequestDeleteSS;
FuncRequestDeletePS * m_funcRequestDeletePS;
FuncRequestStartMetaLog * m_funcRequestStartMetaLog;
FuncRequestStartDataLog * m_funcRequestStartDataLog;
FuncRequestStartMetaScan * m_funcRequestStartMetaScan;
FuncRequestStartDataScan * m_funcRequestStartDataScan;
FuncRequestEpochInfo * m_funcRequestEpochInfo;
void requestTransfer(NdbApiSignal * signal);
void requestApply(NdbApiSignal * signal);
void requestDelete(NdbApiSignal * signal);
void requestEpochInfo(NdbApiSignal * signal);
void getEpochState(Channel::Position pos, Properties * p);
friend void testRepState();
};
#endif
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