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Ndbif.cpp
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1507 lines (1386 loc) · 47.4 KB
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/*
Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
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; version 2 of the License.
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <ndb_global.h>
#include "API.hpp"
#include <signaldata/TcCommit.hpp>
#include <signaldata/TcKeyFailConf.hpp>
#include <signaldata/TcKeyConf.hpp>
#include <signaldata/TestOrd.hpp>
#include <signaldata/CreateIndx.hpp>
#include <signaldata/DropIndx.hpp>
#include <signaldata/TcIndx.hpp>
#include <signaldata/TransIdAI.hpp>
#include <signaldata/ScanFrag.hpp>
#include <signaldata/ScanTab.hpp>
#include <signaldata/SumaImpl.hpp>
#include <signaldata/NodeFailRep.hpp>
#include <signaldata/NFCompleteRep.hpp>
#include <signaldata/AllocNodeId.hpp>
#include <ndb_limits.h>
#include <NdbOut.hpp>
#include <NdbTick.h>
#include <EventLogger.hpp>
/******************************************************************************
* int init( int aNrOfCon, int aNrOfOp );
*
* Return Value: Return 0 : init was successful.
* Return -1: In all other case.
* Parameters: aNrOfCon : Number of connections offered to the application.
* aNrOfOp : Number of operations offered to the application.
* Remark: Create pointers and idle list Synchronous.
****************************************************************************/
int
Ndb::init(int aMaxNoOfTransactions)
{
DBUG_ENTER("Ndb::init");
int i;
int aNrOfCon;
int aNrOfOp;
int tMaxNoOfTransactions;
NdbApiSignal* tSignal[16]; // Initiate free list of 16 signal objects
if (theInitState != NotInitialised) {
switch(theInitState){
case InitConfigError:
theError.code = 4117;
break;
default:
theError.code = 4104;
break;
}
DBUG_RETURN(-1);
}//if
theInitState = StartingInit;
TransporterFacade * theFacade = theImpl->m_transporter_facade;
theEventBuffer->m_mutex = theFacade->theMutexPtr;
const Uint32 tRef = theImpl->open(theFacade);
if (tRef == 0)
{
theError.code = 4105;
DBUG_RETURN(-1); // no more free blocknumbers
}//if
Uint32 nodeId = refToNode(tRef);
theNdbBlockNumber = refToBlock(tRef);
if (nodeId > 0)
{
connected(Uint32(tRef));
}
/* Init cached min node version */
theFacade->lock_mutex();
theCachedMinDbNodeVersion = theFacade->getMinDbNodeVersion();
theFacade->unlock_mutex();
theDictionary->setTransporter(this, theFacade);
aNrOfCon = theImpl->theNoOfDBnodes;
aNrOfOp = 2*theImpl->theNoOfDBnodes;
// Create connection object in a linked list
if((createConIdleList(aNrOfCon)) == -1){
theError.code = 4000;
goto error_handler;
}
// Create operations in a linked list
if((createOpIdleList(aNrOfOp)) == -1){
theError.code = 4000;
goto error_handler;
}
tMaxNoOfTransactions = aMaxNoOfTransactions;
theMaxNoOfTransactions = tMaxNoOfTransactions;
theRemainingStartTransactions= tMaxNoOfTransactions;
thePreparedTransactionsArray = new NdbTransaction* [tMaxNoOfTransactions];
theSentTransactionsArray = new NdbTransaction* [tMaxNoOfTransactions];
theCompletedTransactionsArray = new NdbTransaction* [tMaxNoOfTransactions];
if ((thePreparedTransactionsArray == NULL) ||
(theSentTransactionsArray == NULL) ||
(theCompletedTransactionsArray == NULL)) {
goto error_handler;
}//if
for (i = 0; i < tMaxNoOfTransactions; i++) {
thePreparedTransactionsArray[i] = NULL;
theSentTransactionsArray[i] = NULL;
theCompletedTransactionsArray[i] = NULL;
}//for
for (i = 0; i < 16; i++){
tSignal[i] = getSignal();
if(tSignal[i] == NULL) {
theError.code = 4000;
goto error_handler;
}
}
for (i = 0; i < 16; i++)
releaseSignal(tSignal[i]);
theInitState = Initialised;
DBUG_RETURN(0);
error_handler:
ndbout << "error_handler" << endl;
releaseTransactionArrays();
delete theDictionary;
theImpl->close();
DBUG_RETURN(-1);
}
void
Ndb::releaseTransactionArrays()
{
DBUG_ENTER("Ndb::releaseTransactionArrays");
if (thePreparedTransactionsArray != NULL) {
delete [] thePreparedTransactionsArray;
}//if
if (theSentTransactionsArray != NULL) {
delete [] theSentTransactionsArray;
}//if
if (theCompletedTransactionsArray != NULL) {
delete [] theCompletedTransactionsArray;
}//if
DBUG_VOID_RETURN;
}//Ndb::releaseTransactionArrays()
void
NdbImpl::trp_deliver_signal(const NdbApiSignal * aSignal,
const LinearSectionPtr ptr[3])
{
m_ndb.handleReceivedSignal(aSignal, ptr);
}
void Ndb::connected(Uint32 ref)
{
// cluster connect, a_node == own reference
theMyRef= ref;
Uint32 tmpTheNode= refToNode(ref);
Uint64 tBlockNo= refToBlock(ref);
if (theNdbBlockNumber >= 0){
assert(theMyRef == numberToRef(theNdbBlockNumber, tmpTheNode));
}
Uint32 cnt =
theImpl->m_ndb_cluster_connection.get_db_nodes(theImpl->theDBnodes);
theImpl->theNoOfDBnodes = cnt;
theFirstTransId += ((Uint64)tBlockNo << 52)+
((Uint64)tmpTheNode << 40);
// assert(0);
DBUG_PRINT("info",("connected with ref=%x, id=%d, no_db_nodes=%d, first_trans_id: 0x%lx",
theMyRef,
tmpTheNode,
theImpl->theNoOfDBnodes,
(long) theFirstTransId));
theCommitAckSignal = new NdbApiSignal(theMyRef);
theDictionary->m_receiver.m_reference= theMyRef;
theNode= tmpTheNode; // flag that Ndb object is initialized
}
void
Ndb::report_node_failure(Uint32 node_id)
{
/**
* We can only set the state here since this object can execute
* simultaneously.
*
* This method is only called by ClusterMgr (via lots of methods)
*/
theImpl->the_release_ind[node_id] = 1;
// must come after
theImpl->the_release_ind[0] = 1;
theImpl->theWaiter.nodeFail(node_id);
return;
}//Ndb::report_node_failure()
void
Ndb::report_node_failure_completed(Uint32 node_id)
{
if (theEventBuffer)
{
// node failed
// eventOperations in the ndb object should be notified
theEventBuffer->report_node_failure_completed(node_id);
}
abortTransactionsAfterNodeFailure(node_id);
}//Ndb::report_node_failure_completed()
/***************************************************************************
void abortTransactionsAfterNodeFailure();
Remark: Abort all transactions in theSentTransactionsArray after connection
to one node has failed
****************************************************************************/
void
Ndb::abortTransactionsAfterNodeFailure(Uint16 aNodeId)
{
Uint32 tNoSentTransactions = theNoOfSentTransactions;
for (int i = tNoSentTransactions - 1; i >= 0; i--) {
NdbTransaction* localCon = theSentTransactionsArray[i];
if (localCon->getConnectedNodeId() == aNodeId) {
const NdbTransaction::SendStatusType sendStatus = localCon->theSendStatus;
if (sendStatus == NdbTransaction::sendTC_OP ||
sendStatus == NdbTransaction::sendTC_COMMIT) {
/*
A transaction was interrupted in the prepare phase by a node
failure. Since the transaction was not found in the phase
after the node failure it cannot have been committed and
we report a normal node failure abort.
*/
localCon->setOperationErrorCodeAbort(4010);
localCon->theCompletionStatus = NdbTransaction::CompletedFailure;
} else if (sendStatus == NdbTransaction::sendTC_ROLLBACK) {
/*
We aimed for abort and abort we got even if it was by a node
failure. We will thus report it as a success.
*/
localCon->theCompletionStatus = NdbTransaction::CompletedSuccess;
} else {
#ifdef VM_TRACE
printState("abortTransactionsAfterNodeFailure %lx", (long)this);
abort();
#endif
}
/*
All transactions arriving here have no connection to the kernel
intact since the node was failing and they were aborted. Thus we
set commit state to Aborted and set state to release on close.
*/
localCon->theReturnStatus = NdbTransaction::ReturnFailure;
localCon->theCommitStatus = NdbTransaction::Aborted;
localCon->theReleaseOnClose = true;
completedTransaction(localCon);
}
else if(localCon->report_node_failure(aNodeId))
{
completedTransaction(localCon);
}
}//for
return;
}//Ndb::abortTransactionsAfterNodeFailure()
/****************************************************************************
void handleReceivedSignal(NdbApiSignal* aSignal);
Parameters: aSignal: The signal object.
Remark: Send all operations belonging to this connection.
*****************************************************************************/
void
Ndb::handleReceivedSignal(const NdbApiSignal* aSignal,
const LinearSectionPtr ptr[3])
{
NdbOperation* tOp;
NdbIndexOperation* tIndexOp;
NdbTransaction* tCon;
int tReturnCode = -1;
const Uint32* tDataPtr = aSignal->getDataPtr();
const Uint32 tWaitState = theImpl->theWaiter.get_state();
const Uint32 tSignalNumber = aSignal->readSignalNumber();
const Uint32 tFirstData = *tDataPtr;
const Uint32 tLen = aSignal->getLength();
Uint32 tNewState = tWaitState;
void * tFirstDataPtr;
NdbWaiter *t_waiter = &theImpl->theWaiter;
/* Update cached Min Db node version */
theCachedMinDbNodeVersion = theImpl->m_transporter_facade->getMinDbNodeVersion();
if (likely(NdbImpl::recordGSN(tSignalNumber)))
{
Uint32 secs = aSignal->m_noOfSections;
theImpl->incClientStat(BytesRecvdCount,
((aSignal->getLength() << 2) +
((secs > 2)? ptr[2].sz << 2: 0) +
((secs > 1)? ptr[1].sz << 2: 0) +
((secs > 0)? ptr[0].sz << 2: 0)));
}
/*
In order to support 64 bit processes in the application we need to use
id's rather than a direct pointer to the object used. It is also a good
idea that one cannot corrupt the application code by sending a corrupt
memory pointer.
All signals received by the API requires the first data word to be such
an id to the receiving object.
*/
switch (tSignalNumber){
case GSN_TCKEYCONF:
case GSN_TCINDXCONF:
{
const TcKeyConf * const keyConf = (TcKeyConf *)tDataPtr;
if (tFirstData != RNIL)
{
tFirstDataPtr = int2void(tFirstData);
if (tFirstDataPtr == 0) goto InvalidSignal;
tCon = void2con(tFirstDataPtr);
}
else
{
tCon = lookupTransactionFromOperation(keyConf);
}
const BlockReference aTCRef = aSignal->theSendersBlockRef;
if ((tCon->checkMagicNumber() == 0) &&
(tCon->theSendStatus == NdbTransaction::sendTC_OP)) {
tReturnCode = tCon->receiveTCKEYCONF(keyConf, tLen);
if (tReturnCode != -1) {
completedTransaction(tCon);
}//if
if(TcKeyConf::getMarkerFlag(keyConf->confInfo)){
NdbTransaction::sendTC_COMMIT_ACK(theImpl,
theCommitAckSignal,
keyConf->transId1,
keyConf->transId2,
aTCRef);
}
return;
}//if
goto InvalidSignal;
return;
}
case GSN_TRANSID_AI:{
tFirstDataPtr = int2void(tFirstData);
if (tFirstDataPtr){
NdbReceiver* const tRec = void2rec(tFirstDataPtr);
if(!tRec->checkMagicNumber()){
return;
}
tCon = tRec->getTransaction();
if((tCon!=NULL) &&
tCon->checkState_TransId(((const TransIdAI*)tDataPtr)->transId)){
Uint32 com;
if(aSignal->m_noOfSections > 0){
if(tRec->getType()==NdbReceiver::NDB_QUERY_OPERATION){
com = ((NdbQueryOperationImpl*)(tRec->m_owner))
->execTRANSID_AI(ptr[0].p, ptr[0].sz);
}else{
com = tRec->execTRANSID_AI(ptr[0].p, ptr[0].sz);
}
} else {
assert(tRec->getType()!=NdbReceiver::NDB_QUERY_OPERATION);
com = tRec->execTRANSID_AI(tDataPtr + TransIdAI::HeaderLength,
tLen - TransIdAI::HeaderLength);
}
{
tCon->theNdb->theImpl->incClientStat(Ndb::ReadRowCount, 1);
if (refToNode(aSignal->theSendersBlockRef) == tCon->theDBnode)
tCon->theNdb->theImpl->incClientStat(Ndb::TransLocalReadRowCount,1);
}
if(com == 0)
return;
switch(tRec->getType()){
case NdbReceiver::NDB_OPERATION:
case NdbReceiver::NDB_INDEX_OPERATION:
if(tCon->OpCompleteSuccess() != -1){ //More completions pending?
completedTransaction(tCon);
}
return;
case NdbReceiver::NDB_SCANRECEIVER:
tCon->theScanningOp->receiver_delivered(tRec);
tNewState = (((WaitSignalType) tWaitState) == WAIT_SCAN ?
(Uint32) NO_WAIT : tWaitState);
break;
case NdbReceiver::NDB_QUERY_OPERATION:
{
// Handled differently whether it is a scan or lookup
NdbQueryOperationImpl* tmp = (NdbQueryOperationImpl*)(tRec->m_owner);
if (tmp->getQueryDef().isScanQuery()) {
tNewState = (((WaitSignalType) tWaitState) == WAIT_SCAN ?
(Uint32) NO_WAIT : tWaitState);
break;
} else {
if (tCon->OpCompleteSuccess() != -1) { //More completions pending?
completedTransaction(tCon);
}
return;
}
}
default:
goto InvalidSignal;
}
break;
} else {
/**
* This is ok as transaction can have been aborted before TRANSID_AI
* arrives (if TUP on other node than TC)
*/
return;
}
} else{ // if((tFirstDataPtr)
return;
}
}
case GSN_TCKEY_FAILCONF:
{
tFirstDataPtr = int2void(tFirstData);
const TcKeyFailConf * failConf = (TcKeyFailConf *)tDataPtr;
const BlockReference aTCRef = aSignal->theSendersBlockRef;
if (tFirstDataPtr != 0){
tOp = void2rec_op(tFirstDataPtr);
if (tOp->checkMagicNumber(false) == 0) {
tCon = tOp->theNdbCon;
if (tCon != NULL) {
if ((tCon->theSendStatus == NdbTransaction::sendTC_OP) ||
(tCon->theSendStatus == NdbTransaction::sendTC_COMMIT)) {
tReturnCode = tCon->receiveTCKEY_FAILCONF(failConf);
if (tReturnCode != -1) {
completedTransaction(tCon);
}//if
}//if
}
}
} else {
#ifdef VM_TRACE
ndbout_c("Recevied TCKEY_FAILCONF wo/ operation");
#endif
}
if(tFirstData & 1){
NdbTransaction::sendTC_COMMIT_ACK(theImpl,
theCommitAckSignal,
failConf->transId1,
failConf->transId2,
aTCRef);
}
return;
}
case GSN_TCKEY_FAILREF:
{
tFirstDataPtr = int2void(tFirstData);
if(tFirstDataPtr != 0){
tOp = void2rec_op(tFirstDataPtr);
if (tOp->checkMagicNumber(false) == 0) {
tCon = tOp->theNdbCon;
if (tCon != NULL) {
if ((tCon->theSendStatus == NdbTransaction::sendTC_OP) ||
(tCon->theSendStatus == NdbTransaction::sendTC_ROLLBACK)) {
tReturnCode = tCon->receiveTCKEY_FAILREF(aSignal);
if (tReturnCode != -1) {
completedTransaction(tCon);
return;
}//if
}//if
}//if
}//if
}
#ifdef VM_TRACE
ndbout_c("Recevied TCKEY_FAILREF wo/ operation");
#endif
return;
return;
}
case GSN_TCKEYREF:
{
tFirstDataPtr = int2void(tFirstData);
if (tFirstDataPtr == 0) goto InvalidSignal;
const NdbReceiver* const receiver = void2rec(tFirstDataPtr);
if(!receiver->checkMagicNumber()){
goto InvalidSignal;
}
tCon = receiver->getTransaction();
if (tCon != NULL) {
if (tCon->theSendStatus == NdbTransaction::sendTC_OP) {
if (receiver->getType()==NdbReceiver::NDB_QUERY_OPERATION) {
NdbQueryOperationImpl* tmp =
(NdbQueryOperationImpl*)(receiver->m_owner);
if (tmp->execTCKEYREF(aSignal) &&
tCon->OpCompleteFailure() != -1) {
completedTransaction(tCon);
return;
}
} else {
tOp = void2rec_op(tFirstDataPtr);
/* NB! NdbOperation::checkMagicNumber() returns 0 if it *is*
* an NdbOperation.*/
assert(tOp->checkMagicNumber()==0);
tReturnCode = tOp->receiveTCKEYREF(aSignal);
if (tReturnCode != -1) {
completedTransaction(tCon);
return;
}//if
}//if
break;
}//if
}//if (tCon != NULL)
goto InvalidSignal;
return;
}
case GSN_TC_COMMITCONF:
{
tFirstDataPtr = int2void(tFirstData);
if (tFirstDataPtr == 0) goto InvalidSignal;
const TcCommitConf * const commitConf = (TcCommitConf *)tDataPtr;
const BlockReference aTCRef = aSignal->theSendersBlockRef;
tCon = void2con(tFirstDataPtr);
if ((tCon->checkMagicNumber() == 0) &&
(tCon->theSendStatus == NdbTransaction::sendTC_COMMIT)) {
tReturnCode = tCon->receiveTC_COMMITCONF(commitConf, tLen);
if (tReturnCode != -1) {
completedTransaction(tCon);
}//if
if(tFirstData & 1){
NdbTransaction::sendTC_COMMIT_ACK(theImpl,
theCommitAckSignal,
commitConf->transId1,
commitConf->transId2,
aTCRef);
}
return;
}
goto InvalidSignal;
return;
}
case GSN_TC_COMMITREF:
{
tFirstDataPtr = int2void(tFirstData);
if (tFirstDataPtr == 0) goto InvalidSignal;
tCon = void2con(tFirstDataPtr);
if ((tCon->checkMagicNumber() == 0) &&
(tCon->theSendStatus == NdbTransaction::sendTC_COMMIT)) {
tReturnCode = tCon->receiveTC_COMMITREF(aSignal);
if (tReturnCode != -1) {
completedTransaction(tCon);
}//if
}//if
return;
}
case GSN_TCROLLBACKCONF:
{
tFirstDataPtr = int2void(tFirstData);
if (tFirstDataPtr == 0) goto InvalidSignal;
tCon = void2con(tFirstDataPtr);
if ((tCon->checkMagicNumber() == 0) &&
(tCon->theSendStatus == NdbTransaction::sendTC_ROLLBACK)) {
tReturnCode = tCon->receiveTCROLLBACKCONF(aSignal);
if (tReturnCode != -1) {
completedTransaction(tCon);
}//if
}//if
return;
}
case GSN_TCROLLBACKREF:
{
tFirstDataPtr = int2void(tFirstData);
if (tFirstDataPtr == 0) goto InvalidSignal;
tCon = void2con(tFirstDataPtr);
if ((tCon->checkMagicNumber() == 0) &&
(tCon->theSendStatus == NdbTransaction::sendTC_ROLLBACK)) {
tReturnCode = tCon->receiveTCROLLBACKREF(aSignal);
if (tReturnCode != -1) {
completedTransaction(tCon);
}//if
}//if
return;
}
case GSN_TCROLLBACKREP:
{
tFirstDataPtr = int2void(tFirstData);
if (tFirstDataPtr == 0) goto InvalidSignal;
tCon = void2con(tFirstDataPtr);
if (tCon->checkMagicNumber() == 0) {
tReturnCode = tCon->receiveTCROLLBACKREP(aSignal);
if (tReturnCode != -1) {
completedTransaction(tCon);
}//if
}//if
return;
}
case GSN_TCSEIZECONF:
{
tFirstDataPtr = int2void(tFirstData);
if (tFirstDataPtr == 0) goto InvalidSignal;
if (tWaitState != WAIT_TC_SEIZE) {
goto InvalidSignal;
}//if
tCon = void2con(tFirstDataPtr);
if (tCon->checkMagicNumber() != 0) {
goto InvalidSignal;
}//if
tReturnCode = tCon->receiveTCSEIZECONF(aSignal);
if (tReturnCode != -1) {
tNewState = NO_WAIT;
} else {
goto InvalidSignal;
}//if
break;
}
case GSN_TCSEIZEREF:
{
tFirstDataPtr = int2void(tFirstData);
if (tFirstDataPtr == 0) goto InvalidSignal;
if (tWaitState != WAIT_TC_SEIZE) {
return;
}//if
tCon = void2con(tFirstDataPtr);
if (tCon->checkMagicNumber() != 0) {
return;
}//if
tReturnCode = tCon->receiveTCSEIZEREF(aSignal);
if (tReturnCode != -1) {
tNewState = NO_WAIT;
} else {
return;
}//if
break;
}
case GSN_TCRELEASECONF:
{
tFirstDataPtr = int2void(tFirstData);
if (tFirstDataPtr == 0) goto InvalidSignal;
if (tWaitState != WAIT_TC_RELEASE) {
goto InvalidSignal;
}//if
tCon = void2con(tFirstDataPtr);
if (tCon->checkMagicNumber() != 0) {
goto InvalidSignal;
}//if
tReturnCode = tCon->receiveTCRELEASECONF(aSignal);
if (tReturnCode != -1) {
tNewState = NO_WAIT;
}//if
break;
}
case GSN_TCRELEASEREF:
{
tFirstDataPtr = int2void(tFirstData);
if (tFirstDataPtr == 0) goto InvalidSignal;
if (tWaitState != WAIT_TC_RELEASE) {
goto InvalidSignal;
}//if
tCon = void2con(tFirstDataPtr);
if (tCon->checkMagicNumber() != 0) {
goto InvalidSignal;
}//if
tReturnCode = tCon->receiveTCRELEASEREF(aSignal);
if (tReturnCode != -1) {
tNewState = NO_WAIT;
}//if
break;
}
case GSN_GET_TABINFOREF:
case GSN_GET_TABINFO_CONF:
case GSN_CREATE_TABLE_REF:
case GSN_CREATE_TABLE_CONF:
case GSN_DROP_TABLE_CONF:
case GSN_DROP_TABLE_REF:
case GSN_ALTER_TABLE_CONF:
case GSN_ALTER_TABLE_REF:
case GSN_CREATE_INDX_CONF:
case GSN_CREATE_INDX_REF:
case GSN_DROP_INDX_CONF:
case GSN_DROP_INDX_REF:
case GSN_INDEX_STAT_CONF:
case GSN_INDEX_STAT_REF:
case GSN_CREATE_EVNT_CONF:
case GSN_CREATE_EVNT_REF:
case GSN_DROP_EVNT_CONF:
case GSN_DROP_EVNT_REF:
case GSN_LIST_TABLES_CONF:
case GSN_CREATE_FILE_REF:
case GSN_CREATE_FILE_CONF:
case GSN_CREATE_FILEGROUP_REF:
case GSN_CREATE_FILEGROUP_CONF:
case GSN_DROP_FILE_REF:
case GSN_DROP_FILE_CONF:
case GSN_DROP_FILEGROUP_REF:
case GSN_DROP_FILEGROUP_CONF:
case GSN_SCHEMA_TRANS_BEGIN_CONF:
case GSN_SCHEMA_TRANS_BEGIN_REF:
case GSN_SCHEMA_TRANS_END_CONF:
case GSN_SCHEMA_TRANS_END_REF:
case GSN_SCHEMA_TRANS_END_REP:
case GSN_WAIT_GCP_CONF:
case GSN_WAIT_GCP_REF:
case GSN_CREATE_HASH_MAP_REF:
case GSN_CREATE_HASH_MAP_CONF:
NdbDictInterface::execSignal(&theDictionary->m_receiver,
aSignal, ptr);
return;
case GSN_SUB_REMOVE_CONF:
case GSN_SUB_REMOVE_REF:
return; // ignore these signals
case GSN_SUB_START_CONF:
case GSN_SUB_START_REF:
case GSN_SUB_STOP_CONF:
case GSN_SUB_STOP_REF:
NdbDictInterface::execSignal(&theDictionary->m_receiver,
aSignal, ptr);
return;
case GSN_SUB_GCP_COMPLETE_REP:
{
const SubGcpCompleteRep * const rep=
CAST_CONSTPTR(SubGcpCompleteRep, aSignal->getDataPtr());
theEventBuffer->execSUB_GCP_COMPLETE_REP(rep, tLen);
return;
}
case GSN_SUB_TABLE_DATA:
{
const SubTableData * const sdata=
CAST_CONSTPTR(SubTableData, aSignal->getDataPtr());
const Uint32 oid = sdata->senderData;
NdbEventOperationImpl *op= (NdbEventOperationImpl*)int2void(oid);
if (unlikely(op == 0 || op->m_magic_number != NDB_EVENT_OP_MAGIC_NUMBER))
{
g_eventLogger->error("dropped GSN_SUB_TABLE_DATA due to wrong magic "
"number");
return ;
}
// Accumulate DIC_TAB_INFO for TE_ALTER events
if (SubTableData::getOperation(sdata->requestInfo) ==
NdbDictionary::Event::_TE_ALTER &&
!op->execSUB_TABLE_DATA(aSignal, ptr))
return;
LinearSectionPtr copy[3];
for (int i = 0; i<aSignal->m_noOfSections; i++)
{
copy[i] = ptr[i];
}
for (int i = aSignal->m_noOfSections; i < 3; i++)
{
copy[i].p = NULL;
copy[i].sz = 0;
}
DBUG_PRINT("info",("oid=senderData: %d, gci{hi/lo}: %d/%d, operation: %d, "
"tableId: %d",
sdata->senderData, sdata->gci_hi, sdata->gci_lo,
SubTableData::getOperation(sdata->requestInfo),
sdata->tableId));
theEventBuffer->insertDataL(op, sdata, tLen, copy);
return;
}
case GSN_SCAN_TABCONF:
{
tFirstDataPtr = int2void(tFirstData);
assert(tFirstDataPtr);
assert(void2con(tFirstDataPtr));
assert(void2con(tFirstDataPtr)->checkMagicNumber() == 0);
if(tFirstDataPtr &&
(tCon = void2con(tFirstDataPtr)) && (tCon->checkMagicNumber() == 0)){
if(aSignal->m_noOfSections > 0){
tReturnCode = tCon->receiveSCAN_TABCONF(aSignal,
ptr[0].p, ptr[0].sz);
} else {
tReturnCode =
tCon->receiveSCAN_TABCONF(aSignal,
tDataPtr + ScanTabConf::SignalLength,
tLen - ScanTabConf::SignalLength);
}
if (tReturnCode != -1 && tWaitState == WAIT_SCAN)
tNewState = NO_WAIT;
break;
} else {
goto InvalidSignal;
}
}
case GSN_SCAN_TABREF:
{
tFirstDataPtr = int2void(tFirstData);
if (tFirstDataPtr == 0) goto InvalidSignal;
tCon = void2con(tFirstDataPtr);
assert(tFirstDataPtr != 0 &&
void2con(tFirstDataPtr)->checkMagicNumber() == 0);
if (tCon->checkMagicNumber() == 0){
tReturnCode = tCon->receiveSCAN_TABREF(aSignal);
if (tReturnCode != -1 && tWaitState == WAIT_SCAN){
tNewState = NO_WAIT;
}
break;
}
goto InvalidSignal;
}
case GSN_KEYINFO20: {
tFirstDataPtr = int2void(tFirstData);
NdbReceiver* tRec;
if (tFirstDataPtr && (tRec = void2rec(tFirstDataPtr)) &&
tRec->checkMagicNumber() && (tCon = tRec->getTransaction()) &&
tCon->checkState_TransId(&((const KeyInfo20*)tDataPtr)->transId1)){
Uint32 len = ((const KeyInfo20*)tDataPtr)->keyLen;
Uint32 info = ((const KeyInfo20*)tDataPtr)->scanInfo_Node;
int com = -1;
if(aSignal->m_noOfSections > 0 && len == ptr[0].sz){
com = tRec->execKEYINFO20(info, ptr[0].p, len);
} else if(len == tLen - KeyInfo20::HeaderLength){
com = tRec->execKEYINFO20(info, tDataPtr+KeyInfo20::HeaderLength, len);
}
switch(com){
case 1:
tCon->theScanningOp->receiver_delivered(tRec);
tNewState = (((WaitSignalType) tWaitState) == WAIT_SCAN ?
(Uint32) NO_WAIT : tWaitState);
break;
case 0:
break;
case -1:
goto InvalidSignal;
}
break;
} else {
/**
* This is ok as transaction can have been aborted before KEYINFO20
* arrives (if TUP on other node than TC)
*/
return;
}
}
case GSN_TCINDXREF:{
tFirstDataPtr = int2void(tFirstData);
if (tFirstDataPtr == 0) goto InvalidSignal;
tIndexOp = void2rec_iop(tFirstDataPtr);
if (tIndexOp->checkMagicNumber() == 0) {
tCon = tIndexOp->theNdbCon;
if (tCon != NULL) {
if (tCon->theSendStatus == NdbTransaction::sendTC_OP) {
tReturnCode = tIndexOp->receiveTCINDXREF(aSignal);
if (tReturnCode != -1) {
completedTransaction(tCon);
}//if
return;
}//if
}//if
}//if
goto InvalidSignal;
return;
}
case GSN_API_REGCONF:
case GSN_CONNECT_REP:
return; // Ignore
case GSN_NODE_FAILREP:
{
const NodeFailRep *rep = CAST_CONSTPTR(NodeFailRep,
aSignal->getDataPtr());
for (Uint32 i = NdbNodeBitmask::find_first(rep->theNodes);
i != NdbNodeBitmask::NotFound;
i = NdbNodeBitmask::find_next(rep->theNodes, i + 1))
{
report_node_failure(i);
}
NdbDictInterface::execSignal(&theDictionary->m_receiver, aSignal, ptr);
break;
}
case GSN_NF_COMPLETEREP:
{
const NFCompleteRep *rep = CAST_CONSTPTR(NFCompleteRep,
aSignal->getDataPtr());
report_node_failure_completed(rep->failedNodeId);
break;
}
case GSN_TAKE_OVERTCCONF:
abortTransactionsAfterNodeFailure(tFirstData); // theData[0]
break;
case GSN_ALLOC_NODEID_CONF:
{
const AllocNodeIdConf *rep = CAST_CONSTPTR(AllocNodeIdConf,
aSignal->getDataPtr());
Uint32 nodeId = rep->nodeId;
connected(numberToRef(theNdbBlockNumber, nodeId));
break;
}
default:
tFirstDataPtr = NULL;
goto InvalidSignal;
}//swich
if (tNewState != tWaitState)
{
/*
If our waiter object is the owner of the "poll rights", then we
can simply return, we will return from this routine to the
place where external_poll was called. From there it will move
the "poll ownership" to a new thread if available.
If our waiter object doesn't own the "poll rights", then we must
signal the thread from where this waiter object called
its conditional wait. This will wake up this thread so that it
can continue its work.
*/
t_waiter->signal(tNewState);
}
return;
InvalidSignal:
#ifdef VM_TRACE
ndbout_c("Ndbif: Error Ndb::handleReceivedSignal "
"(tFirstDataPtr=%p, GSN=%d, theImpl->theWaiter.m_state=%d)"
" sender = (Block: %d Node: %d)",
tFirstDataPtr,
tSignalNumber,
tWaitState,
refToBlock(aSignal->theSendersBlockRef),
refToNode(aSignal->theSendersBlockRef));
#endif
#ifdef NDB_NO_DROPPED_SIGNAL
abort();
#endif
return;
}//Ndb::handleReceivedSignal()
/*****************************************************************************
void completedTransaction(NdbTransaction* aCon);
Remark: One transaction has been completed.
Remove it from send array and put it into the completed
transaction array. Finally check if it is time to wake
up a poller.
******************************************************************************/
void
Ndb::completedTransaction(NdbTransaction* aCon)
{
Uint32 tTransArrayIndex = aCon->theTransArrayIndex;
Uint32 tNoSentTransactions = theNoOfSentTransactions;
Uint32 tNoCompletedTransactions = theNoOfCompletedTransactions;