/* 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 SIMULATEDBLOCK_H #define SIMULATEDBLOCK_H #include <NdbTick.h> #include <kernel_types.h> #include <ndb_version.h> #include <ndb_limits.h> #include "VMSignal.hpp" #include <RefConvert.hpp> #include <BlockNumbers.h> #include <GlobalSignalNumbers.h> #include "pc.hpp" #include "Pool.hpp" #include <NodeInfo.hpp> #include <NodeState.hpp> #include "GlobalData.hpp" #include "LongSignal.hpp" #include <SignalLoggerManager.hpp> #include <ErrorReporter.hpp> #include <ErrorHandlingMacros.hpp> #include "DLList.hpp" #include "ArrayPool.hpp" #include "DLHashTable.hpp" #include "Callback.hpp" #include "SafeCounter.hpp" #include <mgmapi.h> #include <mgmapi_config_parameters.h> #include <mgmapi_config_parameters_debug.h> #include <kernel_config_parameters.h> #include <Configuration.hpp> #include <signaldata/ReadConfig.hpp> #include <signaldata/UpgradeStartup.hpp> #include "ndbd_malloc_impl.hpp" /** * Something for filesystem access */ struct NewBaseAddrBits /* 32 bits */ { unsigned int q : 4; /* Highest index - 2log */ /* Strings are treated as 16 bit indexed */ /* variables with the number of characters in */ /* index 0, byte 0 */ unsigned int v : 3; /* Size in bits - 2log */ unsigned int unused : 25 ; }; typedef struct NewVar { Uint32 * WA; Uint32 nrr; Uint32 ClusterSize; /* Real Cluster size */ NewBaseAddrBits bits; } NewVARIABLE; /* 128 bits */ struct Block_context { Block_context(class Configuration& cfg, class Ndbd_mem_manager& mm) : m_config(cfg), m_mm(mm) {} class Configuration& m_config; class Ndbd_mem_manager& m_mm; }; class SimulatedBlock { friend class TraceLCP; friend class SafeCounter; friend class SafeCounterManager; friend struct UpgradeStartup; friend class AsyncFile; friend class Pgman; friend class Page_cache_client; friend class Lgman; friend class Logfile_client; public: friend class BlockComponent; virtual ~SimulatedBlock(); protected: /** * Constructor */ SimulatedBlock(BlockNumber blockNumber, struct Block_context & ctx); /********************************************************** * Handling of execFunctions */ typedef void (SimulatedBlock::* ExecFunction)(Signal* signal); void addRecSignalImpl(GlobalSignalNumber g, ExecFunction fun, bool f =false); void installSimulatedBlockFunctions(); ExecFunction theExecArray[MAX_GSN+1]; public: /** * */ inline void executeFunction(GlobalSignalNumber gsn, Signal* signal); public: typedef void (SimulatedBlock::* CallbackFunction)(class Signal*, Uint32 callbackData, Uint32 returnCode); struct Callback { CallbackFunction m_callbackFunction; Uint32 m_callbackData; }; virtual const char* get_filename(Uint32 fd) const { return "";} protected: static Callback TheEmptyCallback; void execute(Signal* signal, Callback & c, Uint32 returnCode); /********************************************************** * Send signal - dialects */ void sendSignal(BlockReference ref, GlobalSignalNumber gsn, Signal* signal, Uint32 length, JobBufferLevel jbuf ) const ; void sendSignal(NodeReceiverGroup rg, GlobalSignalNumber gsn, Signal* signal, Uint32 length, JobBufferLevel jbuf ) const ; void sendSignal(BlockReference ref, GlobalSignalNumber gsn, Signal* signal, Uint32 length, JobBufferLevel jbuf, LinearSectionPtr ptr[3], Uint32 noOfSections) const ; void sendSignal(NodeReceiverGroup rg, GlobalSignalNumber gsn, Signal* signal, Uint32 length, JobBufferLevel jbuf, LinearSectionPtr ptr[3], Uint32 noOfSections) const ; // Send multiple signal with delay. In this VM the jobbufffer level has // no effect on on delayed signals // void sendSignalWithDelay(BlockReference ref, GlobalSignalNumber gsn, Signal* signal, Uint32 delayInMilliSeconds, Uint32 length) const ; void EXECUTE_DIRECT(Uint32 block, Uint32 gsn, Signal* signal, Uint32 len); class SectionSegmentPool& getSectionSegmentPool(); void releaseSections(Signal* signal); /********************************************************** * Fragmented signals */ /** * Assemble fragments * * @return true if all fragments has arrived * false otherwise */ bool assembleFragments(Signal * signal); void sendFragmentedSignal(BlockReference ref, GlobalSignalNumber gsn, Signal* signal, Uint32 length, JobBufferLevel jbuf, Callback & = TheEmptyCallback, Uint32 messageSize = 240); void sendFragmentedSignal(NodeReceiverGroup rg, GlobalSignalNumber gsn, Signal* signal, Uint32 length, JobBufferLevel jbuf, Callback & = TheEmptyCallback, Uint32 messageSize = 240); void sendFragmentedSignal(BlockReference ref, GlobalSignalNumber gsn, Signal* signal, Uint32 length, JobBufferLevel jbuf, LinearSectionPtr ptr[3], Uint32 noOfSections, Callback &, Uint32 messageSize = 240); void sendFragmentedSignal(NodeReceiverGroup rg, GlobalSignalNumber gsn, Signal* signal, Uint32 length, JobBufferLevel jbuf, LinearSectionPtr ptr[3], Uint32 noOfSections, Callback &, Uint32 messageSize = 240); /********************************************************** * Fragmented signals structures */ /** * Struct used when assembling fragmented long signals at receiver side */ struct FragmentInfo { FragmentInfo(Uint32 fragId, Uint32 sender); Uint32 m_senderRef; Uint32 m_fragmentId; Uint32 m_sectionPtrI[3]; union { Uint32 nextPool; Uint32 nextHash; }; Uint32 prevHash; inline bool equal(FragmentInfo & p) const { return m_senderRef == p.m_senderRef && m_fragmentId == p.m_fragmentId; } inline Uint32 hashValue() const { return m_senderRef + m_fragmentId ; } }; // sizeof() = 32 bytes /** * Struct used when sending fragmented signals */ struct FragmentSendInfo { FragmentSendInfo(); enum Status { SendNotComplete = 0, SendComplete = 1 }; Uint8 m_status; Uint8 m_prio; Uint16 m_fragInfo; Uint16 m_gsn; Uint16 m_messageSize; // Size of each fragment Uint32 m_fragmentId; union { Ptr<struct SectionSegment> m_segmented; LinearSectionPtr m_linear; } m_sectionPtr[3]; LinearSectionPtr m_theDataSection; NodeReceiverGroup m_nodeReceiverGroup; // 3 Callback m_callback; union { Uint32 nextPool; Uint32 nextList; }; Uint32 prevList; }; /** * setupFragmentSendInfo * Setup a struct to be used with sendSignalFragment * Used by sendFragmentedSignal */ bool sendFirstFragment(FragmentSendInfo & info, NodeReceiverGroup rg, GlobalSignalNumber gsn, Signal* signal, Uint32 length, JobBufferLevel jbuf, LinearSectionPtr ptr[3], Uint32 noOfSections, Uint32 messageSize = 240); bool sendFirstFragment(FragmentSendInfo & info, NodeReceiverGroup rg, GlobalSignalNumber gsn, Signal* signal, Uint32 length, JobBufferLevel jbuf, Uint32 messageSize = 240); /** * Send signal fragment * * @see sendFragmentedSignal */ void sendNextSegmentedFragment(Signal* signal, FragmentSendInfo & info); /** * Send signal fragment * * @see sendFragmentedSignal */ void sendNextLinearFragment(Signal* signal, FragmentSendInfo & info); BlockNumber number() const; BlockReference reference() const; NodeId getOwnNodeId() const; /** * Refresh Watch Dog in initialising code * */ void refresh_watch_dog(); /** * Prog error * This function should be called when this node should be shutdown * If the cause of the shutdown is known use extradata to add an * errormessage describing the problem */ void progError(int line, int err_code, const char* extradata=NULL) const ; private: void signal_error(Uint32, Uint32, Uint32, const char*, int) const ; const NodeId theNodeId; const BlockNumber theNumber; const BlockReference theReference; protected: Block_context m_ctx; NewVARIABLE* allocateBat(int batSize); void freeBat(); static const NewVARIABLE* getBat (BlockNumber blockNo); static Uint16 getBatSize(BlockNumber blockNo); static BlockReference calcTcBlockRef (NodeId aNode); static BlockReference calcLqhBlockRef (NodeId aNode); static BlockReference calcAccBlockRef (NodeId aNode); static BlockReference calcTupBlockRef (NodeId aNode); static BlockReference calcTuxBlockRef (NodeId aNode); static BlockReference calcDihBlockRef (NodeId aNode); static BlockReference calcQmgrBlockRef (NodeId aNode); static BlockReference calcDictBlockRef (NodeId aNode); static BlockReference calcNdbCntrBlockRef (NodeId aNode); static BlockReference calcTrixBlockRef (NodeId aNode); static BlockReference calcBackupBlockRef (NodeId aNode); static BlockReference calcSumaBlockRef (NodeId aNode); static BlockReference calcApiClusterMgrBlockRef (NodeId aNode); /** * allocRecord * Allocates memory for the datastructures where ndb keeps the data * */ void* allocRecord(const char * type, size_t s, size_t n, bool clear = true); /** * Deallocate record * * NOTE: Also resets pointer */ void deallocRecord(void **, const char * type, size_t s, size_t n); /** * General info event (sent to cluster log) */ void infoEvent(const char * msg, ...) const ; void warningEvent(const char * msg, ...) const ; /** * Get node state */ const NodeState & getNodeState() const; /** * Get node info */ const NodeInfo & getNodeInfo(NodeId nodeId) const; NodeInfo & setNodeInfo(NodeId); /********************** * Xfrm stuff */ /** * @return length */ Uint32 xfrm_key(Uint32 tab, const Uint32* src, Uint32 *dst, Uint32 dstSize, Uint32 keyPartLen[MAX_ATTRIBUTES_IN_INDEX]) const; Uint32 xfrm_attr(Uint32 attrDesc, CHARSET_INFO* cs, const Uint32* src, Uint32 & srcPos, Uint32* dst, Uint32 & dstPos, Uint32 dstSize) const; /** * */ Uint32 create_distr_key(Uint32 tableId, Uint32 *data, const Uint32 keyPaLen[MAX_ATTRIBUTES_IN_INDEX])const; private: NewVARIABLE* NewVarRef; /* New Base Address Table for block */ Uint16 theBATSize; /* # entries in BAT */ protected: ArrayPool<GlobalPage>& m_global_page_pool; private: /** * Node state */ NodeState theNodeState; void execNDB_TAMPER(Signal * signal); void execNODE_STATE_REP(Signal* signal); void execCHANGE_NODE_STATE_REQ(Signal* signal); void execSIGNAL_DROPPED_REP(Signal* signal); void execCONTINUE_FRAGMENTED(Signal* signal); void execAPI_START_REP(Signal* signal); void execNODE_START_REP(Signal* signal); Uint32 c_fragmentIdCounter; ArrayPool<FragmentInfo> c_fragmentInfoPool; DLHashTable<FragmentInfo> c_fragmentInfoHash; bool c_fragSenderRunning; ArrayPool<FragmentSendInfo> c_fragmentSendPool; DLList<FragmentSendInfo> c_linearFragmentSendList; DLList<FragmentSendInfo> c_segmentedFragmentSendList; public: class MutexManager { friend class Mutex; friend class SimulatedBlock; friend class DbUtil; public: MutexManager(class SimulatedBlock &); bool setSize(Uint32 maxNoOfActiveMutexes); Uint32 getSize() const ; // Get maxNoOfActiveMutexes private: /** * core interface */ struct ActiveMutex { Uint32 m_gsn; // state Uint32 m_mutexId; Uint32 m_mutexKey; Callback m_callback; union { Uint32 nextPool; Uint32 nextList; }; Uint32 prevList; }; typedef Ptr<ActiveMutex> ActiveMutexPtr; bool seize(ActiveMutexPtr& ptr); void release(Uint32 activeMutexPtrI); void getPtr(ActiveMutexPtr& ptr); void create(Signal*, ActiveMutexPtr&); void destroy(Signal*, ActiveMutexPtr&); void lock(Signal*, ActiveMutexPtr&); void trylock(Signal*, ActiveMutexPtr&); void unlock(Signal*, ActiveMutexPtr&); private: void execUTIL_CREATE_LOCK_REF(Signal* signal); void execUTIL_CREATE_LOCK_CONF(Signal* signal); void execUTIL_DESTORY_LOCK_REF(Signal* signal); void execUTIL_DESTORY_LOCK_CONF(Signal* signal); void execUTIL_LOCK_REF(Signal* signal); void execUTIL_LOCK_CONF(Signal* signal); void execUTIL_UNLOCK_REF(Signal* signal); void execUTIL_UNLOCK_CONF(Signal* signal); SimulatedBlock & m_block; ArrayPool<ActiveMutex> m_mutexPool; DLList<ActiveMutex> m_activeMutexes; BlockReference reference() const; void progError(int line, int err_code, const char* extra = 0); }; friend class MutexManager; MutexManager c_mutexMgr; void ignoreMutexUnlockCallback(Signal* signal, Uint32 ptrI, Uint32 retVal); SafeCounterManager c_counterMgr; private: void execUTIL_CREATE_LOCK_REF(Signal* signal); void execUTIL_CREATE_LOCK_CONF(Signal* signal); void execUTIL_DESTORY_LOCK_REF(Signal* signal); void execUTIL_DESTORY_LOCK_CONF(Signal* signal); void execUTIL_LOCK_REF(Signal* signal); void execUTIL_LOCK_CONF(Signal* signal); void execUTIL_UNLOCK_REF(Signal* signal); void execUTIL_UNLOCK_CONF(Signal* signal); protected: void execUPGRADE(Signal* signal); void fsRefError(Signal* signal, Uint32 line, const char *msg); void execFSWRITEREF(Signal* signal); void execFSREADREF(Signal* signal); void execFSOPENREF(Signal* signal); void execFSCLOSEREF(Signal* signal); void execFSREMOVEREF(Signal* signal); void execFSSYNCREF(Signal* signal); void execFSAPPENDREF(Signal* signal); // Variable for storing inserted errors, see pc.H ERROR_INSERT_VARIABLE; #ifdef VM_TRACE_TIME public: void clearTimes(); void printTimes(FILE * output); void addTime(Uint32 gsn, Uint64 time); void subTime(Uint32 gsn, Uint64 time); struct TimeTrace { Uint32 cnt; Uint64 sum, sub; } m_timeTrace[MAX_GSN+1]; Uint32 m_currentGsn; #endif #ifdef VM_TRACE Ptr<void> **m_global_variables; void clear_global_variables(); void init_globals_list(void ** tmp, size_t cnt); #endif }; inline void SimulatedBlock::executeFunction(GlobalSignalNumber gsn, Signal* signal){ ExecFunction f = theExecArray[gsn]; if(gsn <= MAX_GSN && f != 0){ #ifdef VM_TRACE clear_global_variables(); #endif (this->*f)(signal); return; } /** * This point only passed if an error has occurred */ char errorMsg[255]; if (!(gsn <= MAX_GSN)) { BaseString::snprintf(errorMsg, 255, "Illegal signal received (GSN %d too high)", gsn); ERROR_SET(fatal, NDBD_EXIT_PRGERR, errorMsg, errorMsg); } if (!(theExecArray[gsn] != 0)) { BaseString::snprintf(errorMsg, 255, "Illegal signal received (GSN %d not added)", gsn); ERROR_SET(fatal, NDBD_EXIT_PRGERR, errorMsg, errorMsg); } ndbrequire(false); } inline void SimulatedBlock::execute(Signal* signal, Callback & c, Uint32 returnCode){ CallbackFunction fun = c.m_callbackFunction; ndbrequire(fun != 0); c.m_callbackFunction = NULL; (this->*fun)(signal, c.m_callbackData, returnCode); } inline BlockNumber SimulatedBlock::number() const { return theNumber; } inline BlockReference SimulatedBlock::reference() const { return theReference; } inline NodeId SimulatedBlock::getOwnNodeId() const { return theNodeId; } inline BlockReference SimulatedBlock::calcTcBlockRef (NodeId aNodeId){ return numberToRef(DBTC, aNodeId); } inline BlockReference SimulatedBlock::calcLqhBlockRef (NodeId aNodeId){ return numberToRef(DBLQH, aNodeId); } inline BlockReference SimulatedBlock::calcAccBlockRef (NodeId aNodeId){ return numberToRef(DBACC, aNodeId); } inline BlockReference SimulatedBlock::calcTupBlockRef (NodeId aNodeId){ return numberToRef(DBTUP, aNodeId); } inline BlockReference SimulatedBlock::calcTuxBlockRef (NodeId aNodeId){ return numberToRef(DBTUX, aNodeId); } inline BlockReference SimulatedBlock::calcDihBlockRef (NodeId aNodeId){ return numberToRef(DBDIH, aNodeId); } inline BlockReference SimulatedBlock::calcDictBlockRef (NodeId aNodeId){ return numberToRef(DBDICT, aNodeId); } inline BlockReference SimulatedBlock::calcQmgrBlockRef (NodeId aNodeId){ return numberToRef(QMGR, aNodeId); } inline BlockReference SimulatedBlock::calcNdbCntrBlockRef (NodeId aNodeId){ return numberToRef(NDBCNTR, aNodeId); } inline BlockReference SimulatedBlock::calcTrixBlockRef (NodeId aNodeId){ return numberToRef(TRIX, aNodeId); } inline BlockReference SimulatedBlock::calcBackupBlockRef (NodeId aNodeId){ return numberToRef(BACKUP, aNodeId); } inline BlockReference SimulatedBlock::calcSumaBlockRef (NodeId aNodeId){ return numberToRef(SUMA, aNodeId); } inline BlockReference SimulatedBlock::calcApiClusterMgrBlockRef (NodeId aNodeId){ return numberToRef(API_CLUSTERMGR, aNodeId); } inline const NodeState & SimulatedBlock::getNodeState() const { return theNodeState; } inline const NodeInfo & SimulatedBlock::getNodeInfo(NodeId nodeId) const { ndbrequire(nodeId > 0 && nodeId < MAX_NODES); return globalData.m_nodeInfo[nodeId]; } inline void SimulatedBlock::EXECUTE_DIRECT(Uint32 block, Uint32 gsn, Signal* signal, Uint32 len){ signal->setLength(len); #ifdef VM_TRACE if(globalData.testOn){ signal->header.theVerId_signalNumber = gsn; signal->header.theReceiversBlockNumber = block; signal->header.theSendersBlockRef = reference(); globalSignalLoggers.executeDirect(signal->header, 0, // in &signal->theData[0], globalData.ownId); } #endif SimulatedBlock* b = globalData.getBlock(block); #ifdef VM_TRACE_TIME Uint32 us1, us2; Uint64 ms1, ms2; NdbTick_CurrentMicrosecond(&ms1, &us1); Uint32 tGsn = m_currentGsn; b->m_currentGsn = gsn; #endif b->executeFunction(gsn, signal); #ifdef VM_TRACE_TIME NdbTick_CurrentMicrosecond(&ms2, &us2); Uint64 diff = ms2; diff -= ms1; diff *= 1000000; diff += us2; diff -= us1; b->addTime(gsn, diff); m_currentGsn = tGsn; subTime(tGsn, diff); #endif #ifdef VM_TRACE if(globalData.testOn){ signal->header.theVerId_signalNumber = gsn; signal->header.theReceiversBlockNumber = block; signal->header.theSendersBlockRef = reference(); globalSignalLoggers.executeDirect(signal->header, 1, // out &signal->theData[0], globalData.ownId); } #endif } #ifdef VM_TRACE_TIME inline void SimulatedBlock::addTime(Uint32 gsn, Uint64 time){ m_timeTrace[gsn].cnt ++; m_timeTrace[gsn].sum += time; } inline void SimulatedBlock::subTime(Uint32 gsn, Uint64 time){ m_timeTrace[gsn].sub += time; } #endif /** * Defines for backward compatiblility */ #define BLOCK_DEFINES(BLOCK) \ typedef void (BLOCK::* ExecSignalLocal) (Signal* signal); \ typedef void (BLOCK::* BlockCallback)(Signal*, Uint32 callb, Uint32 retCode); \ inline CallbackFunction safe_cast(BlockCallback f){ \ return static_cast<CallbackFunction>(f); \ } \ public:\ private: \ void addRecSignal(GlobalSignalNumber gsn, ExecSignalLocal f, bool force = false) #define BLOCK_CONSTRUCTOR(BLOCK) #define BLOCK_FUNCTIONS(BLOCK) \ void \ BLOCK::addRecSignal(GlobalSignalNumber gsn, ExecSignalLocal f, bool force){ \ addRecSignalImpl(gsn, (ExecFunction)f, force);\ } #include "Mutex.hpp" #endif