ndbcntrmain.cpp

mysql-5.0.22.tar.gz源码包

  if (cndbBlocksCount < ZNO_NDB_BLOCKS) {
    jam();
    sendNdbSttor(signal);
    return;
  }//if

  sendSttorry(signal);
  return;
}//Ndbcntr::ph3ALab()

/*
4.5  START PHASE 4      */
/*###########################################################################*/
// WAIT FOR ALL NODES IN CLUSTER TO CHANGE STATE INTO ZSTART ,
// APPL_CHANGEREP IS ALWAYS SENT WHEN SOMEONE HAVE
// CHANGED THEIR STATE. APPL_STARTCONF INDICATES THAT ALL NODES ARE IN START 
// STATE SEND NDB_STARTREQ TO DIH AND THEN WAIT FOR NDB_STARTCONF
/*---------------------------------------------------------------------------*/
/*******************************/
/*  STTOR                      */
/*******************************/
void Ndbcntr::startPhase4Lab(Signal* signal) 
{
  ph4ALab(signal);
}//Ndbcntr::startPhase4Lab()


void Ndbcntr::ph4ALab(Signal* signal) 
{
  ph4BLab(signal);
  return;
}//Ndbcntr::ph4ALab()

/*******************************/
/*  NDB_STTORRY                */
/*******************************/
void Ndbcntr::ph4BLab(Signal* signal) 
{
/*--------------------------------------*/
/* CASE: CSTART_PHASE = ZSTART_PHASE_4  */
/*--------------------------------------*/
  if (cndbBlocksCount < ZNO_NDB_BLOCKS) {
    jam();
    sendNdbSttor(signal);
    return;
  }//if
  if ((ctypeOfStart == NodeState::ST_NODE_RESTART) ||
      (ctypeOfStart == NodeState::ST_INITIAL_NODE_RESTART)) {
    jam();
    sendSttorry(signal);
    return;
  }//if
  waitpoint41Lab(signal);
  return;
}//Ndbcntr::ph4BLab()

void Ndbcntr::waitpoint41Lab(Signal* signal) 
{
  if (getOwnNodeId() == cmasterNodeId) {
    jam();
/*--------------------------------------*/
/* MASTER WAITS UNTIL ALL SLAVES HAS    */
/* SENT THE REPORTS                     */
/*--------------------------------------*/
    cnoWaitrep++;
    if (cnoWaitrep == cnoStartNodes) {
      jam();
      cnoWaitrep = 0;
/*---------------------------------------------------------------------------*/
// NDB_STARTREQ STARTS UP ALL SET UP OF DISTRIBUTION INFORMATION IN DIH AND
// DICT. AFTER SETTING UP THIS
// DATA IT USES THAT DATA TO SET UP WHICH FRAGMENTS THAT ARE TO START AND
// WHERE THEY ARE TO START. THEN
// IT SETS UP THE FRAGMENTS AND RECOVERS THEM BY:
//  1) READING A LOCAL CHECKPOINT FROM DISK.
//  2) EXECUTING THE UNDO LOG ON INDEX AND DATA.
//  3) EXECUTING THE FRAGMENT REDO LOG FROM ONE OR SEVERAL NODES TO
//     RESTORE THE RESTART CONFIGURATION OF DATA IN NDB CLUSTER.
/*---------------------------------------------------------------------------*/
      signal->theData[0] = reference();
      signal->theData[1] = ctypeOfStart;
      sendSignal(DBDIH_REF, GSN_NDB_STARTREQ, signal, 2, JBB);
    }//if
  } else {
    jam();
/*--------------------------------------*/
/* SLAVE NODES WILL PASS HERE ONCE AND  */
/* SEND A WAITPOINT REPORT TO MASTER.   */
/* SLAVES WONT DO ANYTHING UNTIL THEY   */
/* RECEIVE A WAIT REPORT FROM THE MASTER*/
/*--------------------------------------*/
    signal->theData[0] = getOwnNodeId();
    signal->theData[1] = ZWAITPOINT_4_1;
    sendSignal(calcNdbCntrBlockRef(cmasterNodeId), 
	       GSN_CNTR_WAITREP, signal, 2, JBB);
  }//if
  return;
}//Ndbcntr::waitpoint41Lab()

/*******************************/
/*  NDB_STARTCONF              */
/*******************************/
void Ndbcntr::execNDB_STARTCONF(Signal* signal) 
{
  jamEntry();

  NodeReceiverGroup rg(NDBCNTR, c_start.m_starting);
  signal->theData[0] = getOwnNodeId();
  signal->theData[1] = ZWAITPOINT_4_2;
  sendSignal(rg, GSN_CNTR_WAITREP, signal, 2, JBB);
  return;
}//Ndbcntr::execNDB_STARTCONF()

/*
4.6  START PHASE 5      */
/*###########################################################################*/
// SEND APPL_RUN TO THE QMGR IN THIS BLOCK
// SEND NDB_STTOR ALL BLOCKS ACC, DICT, DIH, LQH, TC AND TUP THEN WAIT FOR
// THEIR NDB_STTORRY
/*---------------------------------------------------------------------------*/
/*******************************/
/*  STTOR                      */
/*******************************/
void Ndbcntr::startPhase5Lab(Signal* signal) 
{
  ph5ALab(signal);
  return;
}//Ndbcntr::startPhase5Lab()

/*******************************/
/*  NDB_STTORRY                */
/*******************************/
/*---------------------------------------------------------------------------*/
// THIS IS NDB START PHASE 5.
/*---------------------------------------------------------------------------*/
// IN THIS START PHASE TUP INITIALISES DISK FILES FOR DISK STORAGE IF INITIAL
// START. DIH WILL START UP
// THE GLOBAL CHECKPOINT PROTOCOL AND WILL CONCLUDE ANY UNFINISHED TAKE OVERS 
// THAT STARTED BEFORE THE SYSTEM CRASH.
/*---------------------------------------------------------------------------*/
void Ndbcntr::ph5ALab(Signal* signal) 
{
  if (cndbBlocksCount < ZNO_NDB_BLOCKS) {
    jam();
    sendNdbSttor(signal);
    return;
  }//if

  cstartPhase = cstartPhase + 1;
  cinternalStartphase = cstartPhase - 1;
  if (getOwnNodeId() == cmasterNodeId) {
    switch(ctypeOfStart){
    case NodeState::ST_INITIAL_START:
      jam();
      /*--------------------------------------*/
      /* MASTER CNTR IS RESPONSIBLE FOR       */
      /* CREATING SYSTEM TABLES               */
      /*--------------------------------------*/
      createSystableLab(signal, 0);
      return;
    case NodeState::ST_SYSTEM_RESTART:
      jam();
      waitpoint52Lab(signal);
      return;
    case NodeState::ST_NODE_RESTART:
    case NodeState::ST_INITIAL_NODE_RESTART:
      jam();
      break;
    case NodeState::ST_ILLEGAL_TYPE:
      jam();
      break;
    }
    ndbrequire(false);
  }
  
  /**
   * Not master
   */
  NdbSttor * const req = (NdbSttor*)signal->getDataPtrSend();
  switch(ctypeOfStart){
  case NodeState::ST_NODE_RESTART:
  case NodeState::ST_INITIAL_NODE_RESTART:
    jam();
    /*----------------------------------------------------------------------*/
    // SEND NDB START PHASE 5 IN NODE RESTARTS TO COPY DATA TO THE NEWLY
    // STARTED NODE.
    /*----------------------------------------------------------------------*/
    req->senderRef = reference();
    req->nodeId = getOwnNodeId();
    req->internalStartPhase = cinternalStartphase;
    req->typeOfStart = ctypeOfStart;
    req->masterNodeId = cmasterNodeId;
    
    //#define TRACE_STTOR
#ifdef TRACE_STTOR
    ndbout_c("sending NDB_STTOR(%d) to DIH", cinternalStartphase);
#endif
    sendSignal(DBDIH_REF, GSN_NDB_STTOR, signal, 
	       NdbSttor::SignalLength, JBB);
    return;
  case NodeState::ST_INITIAL_START:
  case NodeState::ST_SYSTEM_RESTART:
    jam();
    /*--------------------------------------*/
    /* DURING SYSTEMRESTART AND INITALSTART:*/
    /* SLAVE NODES WILL PASS HERE ONCE AND  */
    /* SEND A WAITPOINT REPORT TO MASTER.   */
    /* SLAVES WONT DO ANYTHING UNTIL THEY   */
    /* RECEIVE A WAIT REPORT FROM THE MASTER*/
    /* WHEN THE MASTER HAS FINISHED HIS WORK*/
    /*--------------------------------------*/
    signal->theData[0] = getOwnNodeId();
    signal->theData[1] = ZWAITPOINT_5_2;
    sendSignal(calcNdbCntrBlockRef(cmasterNodeId), 
	       GSN_CNTR_WAITREP, signal, 2, JBB);
    return;
  default:
    ndbrequire(false);
  }
}//Ndbcntr::ph5ALab()

void Ndbcntr::waitpoint52Lab(Signal* signal) 
{
  cnoWaitrep = cnoWaitrep + 1;
/*---------------------------------------------------------------------------*/
// THIS WAITING POINT IS ONLY USED BY A MASTER NODE. WE WILL EXECUTE NDB START 
// PHASE 5 FOR DIH IN THE
// MASTER. THIS WILL START UP LOCAL CHECKPOINTS AND WILL ALSO CONCLUDE ANY
// UNFINISHED LOCAL CHECKPOINTS
// BEFORE THE SYSTEM CRASH. THIS WILL ENSURE THAT WE ALWAYS RESTART FROM A
// WELL KNOWN STATE.
/*---------------------------------------------------------------------------*/
/*--------------------------------------*/
/* MASTER WAITS UNTIL HE RECEIVED WAIT  */
/* REPORTS FROM ALL SLAVE CNTR          */
/*--------------------------------------*/
  if (cnoWaitrep == cnoStartNodes) {
    jam();
    cnoWaitrep = 0;

    NdbSttor * const req = (NdbSttor*)signal->getDataPtrSend();
    req->senderRef = reference();
    req->nodeId = getOwnNodeId();
    req->internalStartPhase = cinternalStartphase;
    req->typeOfStart = ctypeOfStart;
    req->masterNodeId = cmasterNodeId;
#ifdef TRACE_STTOR
    ndbout_c("sending NDB_STTOR(%d) to DIH", cinternalStartphase);
#endif
    sendSignal(DBDIH_REF, GSN_NDB_STTOR, signal, 
	       NdbSttor::SignalLength, JBB);
  }//if
  return;
}//Ndbcntr::waitpoint52Lab()

/*******************************/
/*  NDB_STTORRY                */
/*******************************/
void Ndbcntr::ph6ALab(Signal* signal) 
{
  if ((ctypeOfStart == NodeState::ST_NODE_RESTART) ||
      (ctypeOfStart == NodeState::ST_INITIAL_NODE_RESTART)) {
    jam();
    waitpoint51Lab(signal);
    return;
  }//if

  NodeReceiverGroup rg(NDBCNTR, c_start.m_starting);
  rg.m_nodes.clear(getOwnNodeId());
  signal->theData[0] = getOwnNodeId();
  signal->theData[1] = ZWAITPOINT_5_1;
  sendSignal(rg, GSN_CNTR_WAITREP, signal, 2, JBB);

  waitpoint51Lab(signal);
  return;
}//Ndbcntr::ph6ALab()

void Ndbcntr::waitpoint51Lab(Signal* signal) 
{
  cstartPhase = cstartPhase + 1;
/*---------------------------------------------------------------------------*/
// A FINAL STEP IS NOW TO SEND NDB_STTOR TO TC. THIS MAKES IT POSSIBLE TO 
// CONNECT TO TC FOR APPLICATIONS.
// THIS IS NDB START PHASE 6 WHICH IS FOR ALL BLOCKS IN ALL NODES.
/*---------------------------------------------------------------------------*/
  cinternalStartphase = cstartPhase - 1;
  cndbBlocksCount = 0;
  ph6BLab(signal);
  return;
}//Ndbcntr::waitpoint51Lab()

void Ndbcntr::ph6BLab(Signal* signal) 
{
  // c_missra.currentStartPhase - cstartPhase - cinternalStartphase =
  // 5 - 7 - 6
  if (cndbBlocksCount < ZNO_NDB_BLOCKS) {
    jam();
    sendNdbSttor(signal);
    return;
  }//if
  if ((ctypeOfStart == NodeState::ST_NODE_RESTART) ||
      (ctypeOfStart == NodeState::ST_INITIAL_NODE_RESTART)) {
    jam();
    sendSttorry(signal);
    return;
  }
  waitpoint61Lab(signal);
}

void Ndbcntr::waitpoint61Lab(Signal* signal)
{
  if (getOwnNodeId() == cmasterNodeId) {
    jam();
    cnoWaitrep6++;
    if (cnoWaitrep6 == cnoStartNodes) {
      jam();
      NodeReceiverGroup rg(NDBCNTR, c_start.m_starting);
      rg.m_nodes.clear(getOwnNodeId());
      signal->theData[0] = getOwnNodeId();
      signal->theData[1] = ZWAITPOINT_6_2;
      sendSignal(rg, GSN_CNTR_WAITREP, signal, 2, JBB);
      sendSttorry(signal);
    }
  } else {
    jam();
    signal->theData[0] = getOwnNodeId();
    signal->theData[1] = ZWAITPOINT_6_1;
    sendSignal(calcNdbCntrBlockRef(cmasterNodeId), GSN_CNTR_WAITREP, signal, 2, JBB);
  }
}

// Start phase 8 (internal 7)
void Ndbcntr::startPhase8Lab(Signal* signal)
{
  cinternalStartphase = cstartPhase - 1;
  cndbBlocksCount = 0;
  ph7ALab(signal);
}

void Ndbcntr::ph7ALab(Signal* signal)
{
  while (cndbBlocksCount < ZNO_NDB_BLOCKS) {
    jam();
    sendNdbSttor(signal);
    return;
  }
  if ((ctypeOfStart == NodeState::ST_NODE_RESTART) ||
      (ctypeOfStart == NodeState::ST_INITIAL_NODE_RESTART)) {
    jam();
    sendSttorry(signal);
    return;
  }
  waitpoint71Lab(signal);
}

void Ndbcntr::waitpoint71Lab(Signal* signal)
{
  if (getOwnNodeId() == cmasterNodeId) {
    jam();
    cnoWaitrep7++;
    if (cnoWaitrep7 == cnoStartNodes) {
      jam();
      NodeReceiverGroup rg(NDBCNTR, c_start.m_starting);
      rg.m_nodes.clear(getOwnNodeId());
      signal->theData[0] = getOwnNodeId();
      signal->theData[1] = ZWAITPOINT_7_2;
      sendSignal(rg, GSN_CNTR_WAITREP, signal, 2, JBB);
      sendSttorry(signal);
    }
  } else {
    jam();
    signal->theData[0] = getOwnNodeId();
    signal->theData[1] = ZWAITPOINT_7_1;
    sendSignal(calcNdbCntrBlockRef(cmasterNodeId), GSN_CNTR_WAITREP, signal, 2, JBB);
  }
}

// Start phase 9 (internal 8)
void Ndbcntr::startPhase9Lab(Signal* signal)
{
  cinternalStartphase = cstartPhase - 1;
  cndbBlocksCount = 0;
  ph8ALab(signal);
}

void Ndbcntr::ph8ALab(Signal* signal)
{
/*---------------------------------------------------------------------------*/
// NODES WHICH PERFORM A NODE RESTART NEEDS TO GET THE DYNAMIC ID'S
// OF THE OTHER NODES HERE.
/*---------------------------------------------------------------------------*/
  sendSttorry(signal);
  resetStartVariables(signal);
  return;
}//Ndbcntr::ph8BLab()

/*******************************/
/*  CNTR_WAITREP               */
/*******************************/
void Ndbcntr::execCNTR_WAITREP(Signal* signal) 
{
  Uint16 twaitPoint;

  jamEntry();
  twaitPoint = signal->theData[1];
  switch (twaitPoint) {
  case ZWAITPOINT_4_1:
    jam();
    waitpoint41Lab(signal);
    break;
  case ZWAITPOINT_4_2:
    jam();
    sendSttorry(signal);
    break;
  case ZWAITPOINT_5_1:
    jam();
    waitpoint51Lab(signal);
    break;
  case ZWAITPOINT_5_2:
    jam();
    waitpoint52Lab(signal);
    break;
  case ZWAITPOINT_6_1:
    jam();
    waitpoint61Lab(signal);
    break;
  case ZWAITPOINT_6_2:
    jam();
    sendSttorry(signal);
    break;
  case ZWAITPOINT_7_1:
    jam();
    waitpoint71Lab(signal);
    break;
  case ZWAITPOINT_7_2:
    jam();
    sendSttorry(signal);
    break;
  default:
    jam();
    systemErrorLab(signal, __LINE__);
    break;
  }//switch
}//Ndbcntr::execCNTR_WAITREP()

/*******************************/
/*  NODE_FAILREP               */
/*******************************/
void Ndbcntr::execNODE_FAILREP(Signal* signal) 
{
  jamEntry();

  const NodeFailRep * nodeFail = (NodeFailRep *)&signal->theData[0];
  NdbNodeBitmask allFailed; 
  allFailed.assign(NdbNodeBitmask::Size, nodeFail->theNodes);

  NdbNodeBitmask failedStarted = c_startedNodes;
  NdbNodeBitmask failedStarting = c_start.m_starting;
  NdbNodeBitmask failedWaiting = c_start.m_waiting;