INT32 _pmdDataProcessor::_onReadLobMsg( MsgHeader *msg,
rtnContextBuf &buffObj )
{
INT32 rc = SDB_OK ;
const MsgOpLob *header = NULL ;
SINT64 offset = -1 ;
UINT32 readLen = 0 ;
UINT32 length = 0 ;
const CHAR *data = NULL ;
rc = msgExtractReadLobRequest( ( const CHAR * )msg, &header,
&readLen, &offset ) ;
if ( SDB_OK != rc )
{
PD_LOG( PDERROR, "failed to extract read msg:%d", rc ) ;
goto error ;
}
rc = rtnReadLob( header->contextID, eduCB(),
readLen, offset, &data, length ) ;
if ( SDB_OK != rc )
{
PD_LOG( PDERROR, "failed to read lob:%d", rc ) ;
goto error ;
}
buffObj = rtnContextBuf( data, length, 0 ) ;
done:
return rc ;
error:
goto done ;
}
INT32 _pmdDataProcessor::_onOpenLobMsg( MsgHeader *msg, SDB_DPSCB *dpsCB,
SINT64 &contextID,
rtnContextBuf &buffObj )
{
INT32 rc = SDB_OK ;
const MsgOpLob *header = NULL ;
BSONObj lob ;
BSONObj meta ;
rc = msgExtractOpenLobRequest( ( const CHAR * )msg, &header, lob ) ;
if ( SDB_OK != rc )
{
PD_LOG( PDERROR, "failed to extract open msg:%d", rc ) ;
goto error ;
}
rc = rtnOpenLob( lob, header->flags, TRUE, eduCB(),
dpsCB, header->w, contextID, meta ) ;
if ( SDB_OK != rc )
{
PD_LOG( PDERROR, "failed to open lob:%d", rc ) ;
goto error ;
}
buffObj = rtnContextBuf( meta.objdata(), meta.objsize(), 1 ) ;
done:
return rc ;
error:
goto done ;
}
// PD_TRACE_DECLARE_FUNCTION ( SDB_RTNCOORDREADLOB_EXECUTE, "rtnCoordReadLob::execute" )
INT32 rtnCoordReadLob::execute( CHAR * pReceiveBuffer,
SINT32 packSize,
pmdEDUCB * cb,
MsgOpReply & replyHeader,
rtnContextBuf *buf )
{
INT32 rc = SDB_OK ;
PD_TRACE_ENTRY( SDB_RTNCOORDREADLOB_EXECUTE ) ;
SDB_ASSERT( NULL != buf, "can not be null" ) ;
const MsgOpLob *header = NULL ;
const MsgHeader *baseHeader = ( const MsgHeader * )pReceiveBuffer ;
BSONObj obj ;
UINT32 len = 0 ;
SINT64 offset = -1 ;
const CHAR *data = NULL ;
UINT32 readLen = 0 ;
replyHeader.header.messageLength = sizeof( MsgOpReply ) ;
replyHeader.header.opCode = MSG_BS_LOB_READ_RES ;
replyHeader.header.requestID = baseHeader->requestID ;
replyHeader.header.routeID.value = 0 ;
replyHeader.header.TID = baseHeader->TID ;
replyHeader.contextID = -1 ;
replyHeader.flags = SDB_OK ;
replyHeader.numReturned = 0 ;
replyHeader.startFrom = 0 ;
rc = msgExtractReadLobRequest( pReceiveBuffer, &header, &len,
&offset ) ;
if ( SDB_OK != rc )
{
PD_LOG( PDERROR, "failed to extract msg:%d", rc ) ;
goto error ;
}
rc = rtnReadLob( header->contextID, cb, len,
offset, &data, readLen ) ;
if ( SDB_OK != rc )
{
PD_LOG( PDERROR, "failed to read lob:%d", rc ) ;
goto error ;
}
*buf = rtnContextBuf( data, readLen, 1 ) ;
done:
PD_TRACE_EXITRC( SDB_RTNCOORDREADLOB_EXECUTE, rc ) ;
return rc ;
error:
replyHeader.flags = rc ;
goto done ;
}
INT32 _rtnDataSet::initByReply( MsgOpReply *pReply,
_pmdEDUCB *cb,
BOOLEAN ownned )
{
INT32 rc = SDB_OK ;
/// context id must be invalid
SDB_ASSERT( -1 == pReply->contextID, "Context id must be -1" ) ;
/// first clear
clear() ;
_lastErr = pReply->flags ;
_cb = cb ;
rc = pReply->flags ;
/// has data
if ( SDB_OK == rc &&
pReply->header.messageLength > (INT32)sizeof( MsgOpReply ) )
{
if ( !ownned )
{
_pBuff = ( CHAR* )pReply ;
}
else
{
_pBuff = ( CHAR* )SDB_OSS_MALLOC( pReply->header.messageLength ) ;
if ( !_pBuff )
{
PD_LOG( PDERROR, "Alloc memory[%d] failed",
pReply->header.messageLength ) ;
rc = SDB_OOM ;
_lastErr = rc ;
goto error ;
}
_ownned = TRUE ;
ossMemcpy( _pBuff, pReply, pReply->header.messageLength ) ;
}
_contextBuf = rtnContextBuf( _pBuff + sizeof( MsgOpReply ),
pReply->header.messageLength -
sizeof( MsgOpReply ),
pReply->numReturned ) ;
}
done:
return rc ;
error:
goto done ;
}
// PD_TRACE_DECLARE_FUNCTION ( SDB_RTNCOORDOPENLOB_EXECUTE, "rtnCoordOpenLob::execute" )
INT32 rtnCoordOpenLob::execute( CHAR * pReceiveBuffer,
SINT32 packSize,
pmdEDUCB * cb,
MsgOpReply & replyHeader,
rtnContextBuf *buf )
{
INT32 rc = SDB_OK ;
PD_TRACE_ENTRY( SDB_RTNCOORDOPENLOB_EXECUTE ) ;
SDB_ASSERT( NULL != buf, "can not be null" ) ;
const MsgOpLob *header = NULL ;
const MsgHeader *baseHeader = ( const MsgHeader * )pReceiveBuffer ;
BSONObj obj ;
BSONObj meta ;
SINT64 contextID = -1 ;
replyHeader.header.messageLength = sizeof( MsgOpReply );
replyHeader.header.opCode = MSG_BS_LOB_OPEN_RES ;
replyHeader.header.requestID = baseHeader->requestID ;
replyHeader.header.routeID.value = 0 ;
replyHeader.header.TID = baseHeader->TID ;
replyHeader.contextID = -1 ;
replyHeader.flags = SDB_OK ;
replyHeader.numReturned = 0 ;
replyHeader.startFrom = 0 ;
rc = msgExtractOpenLobRequest( pReceiveBuffer, &header, obj ) ;
if ( SDB_OK != rc )
{
PD_LOG( PDERROR, "failed to extract open msg:%d", rc ) ;
goto error ;
}
rc = rtnOpenLob( obj, 0, FALSE, cb,
NULL, 0, contextID,
meta ) ;
if ( SDB_OK != rc )
{
PD_LOG( PDERROR, "failed to open lob:%s, rc:%d",
obj.toString( FALSE, TRUE ).c_str(), rc ) ;
goto error ;
}
replyHeader.contextID = contextID ;
*buf = rtnContextBuf( meta ) ;
done:
PD_TRACE_EXITRC( SDB_RTNCOORDOPENLOB_EXECUTE, rc ) ;
return rc ;
error:
replyHeader.flags = rc ;
goto done ;
}
//PD_TRACE_DECLARE_FUNCTION ( COORD_OPERATORDEL_EXE, "_coordDeleteOperator::execute" )
INT32 _coordDeleteOperator::execute( MsgHeader *pMsg,
pmdEDUCB *cb,
INT64 &contextID,
rtnContextBuf *buf )
{
INT32 rc = SDB_OK ;
INT32 rcTmp = SDB_OK ;
PD_TRACE_ENTRY ( COORD_OPERATORDEL_EXE ) ;
coordSendOptions sendOpt( TRUE ) ;
coordSendMsgIn inMsg( pMsg ) ;
coordProcessResult result ;
ROUTE_RC_MAP nokRC ;
result._pNokRC = &nokRC ;
coordCataSel cataSel ;
MsgRouteID errNodeID ;
BSONObj boDeletor ;
MsgOpDelete *pDelMsg = (MsgOpDelete *)pMsg ;
INT32 oldFlag = pDelMsg->flags ;
pDelMsg->flags |= FLG_DELETE_RETURNNUM ;
contextID = -1 ;
INT32 flag = 0;
CHAR *pCollectionName = NULL ;
CHAR *pDeletor = NULL ;
CHAR *pHint = NULL ;
rc = msgExtractDelete( (CHAR*)pMsg, &flag, &pCollectionName,
&pDeletor, &pHint ) ;
if( rc )
{
PD_LOG( PDERROR,"Failed to parse delete request, rc: %d", rc ) ;
pCollectionName = NULL ;
goto error ;
}
try
{
boDeletor = BSONObj( pDeletor ) ;
}
catch ( std::exception &e )
{
PD_RC_CHECK( SDB_INVALIDARG, PDERROR,
"Delete failed, received unexpected error: %s",
e.what() ) ;
}
MON_SAVE_OP_DETAIL( cb->getMonAppCB(), pMsg->opCode,
"Collection:%s, Deletor:%s, Hint:%s, "
"Flag:0x%08x(%u)",
pCollectionName,
boDeletor.toString().c_str(),
BSONObj(pHint).toString().c_str(),
oldFlag, oldFlag ) ;
rc = cataSel.bind( _pResource, pCollectionName, cb, FALSE, TRUE ) ;
if ( rc )
{
PD_LOG( PDERROR, "Get or update collection[%s]'s catalog info "
"failed, rc: %d", pCollectionName, rc ) ;
goto error ;
}
retry:
pDelMsg->version = cataSel.getCataPtr()->getVersion() ;
pDelMsg->w = 0 ;
rcTmp = doOpOnCL( cataSel, boDeletor, inMsg, sendOpt, cb, result ) ;
if ( SDB_OK == rcTmp && nokRC.empty() )
{
goto done ;
}
else if ( checkRetryForCLOpr( rcTmp, &nokRC, cataSel, inMsg.msg(),
cb, rc, &errNodeID, TRUE ) )
{
nokRC.clear() ;
_groupSession.getGroupCtrl()->incRetry() ;
goto retry ;
}
else
{
PD_LOG( PDERROR, "Delete failed on node[%s], rc: %d",
routeID2String( errNodeID ).c_str(), rc ) ;
goto error ;
}
done:
if ( oldFlag & FLG_DELETE_RETURNNUM )
{
contextID = _recvNum ;
}
if ( pCollectionName )
{
PD_AUDIT_OP( AUDIT_DML, MSG_BS_DELETE_REQ, AUDIT_OBJ_CL,
pCollectionName, rc,
"DeletedNum:%u, Deletor:%s, Hint:%s, Flag:0x%08x(%u)",
_recvNum, boDeletor.toString().c_str(),
BSONObj(pHint).toString().c_str(), oldFlag, oldFlag ) ;
}
PD_TRACE_EXITRC ( COORD_OPERATORDEL_EXE, rc ) ;
return rc ;
error:
if ( buf && nokRC.size() > 0 )
{
*buf = rtnContextBuf( coordBuildErrorObj( _pResource, rc,
cb, &nokRC ) ) ;
}
goto done ;
}
INT32 _pmdCoordProcessor::_processCoordMsg( MsgHeader *msg,
MsgOpReply &replyHeader,
rtnContextBuf &contextBuff )
{
INT32 rc = SDB_OK ;
if ( NULL != _pErrorObj )
{
SDB_OSS_DEL _pErrorObj ;
_pErrorObj = NULL ;
}
if ( NULL != _pResultBuff )
{
_pResultBuff = NULL ;
}
CoordCB *pCoordcb = _pKrcb->getCoordCB();
rtnCoordProcesserFactory *pProcesserFactory
= pCoordcb->getProcesserFactory();
if ( MSG_AUTH_VERIFY_REQ == msg->opCode )
{
rc = SDB_COORD_UNKNOWN_OP_REQ ;
goto done ;
}
else if ( MSG_BS_INTERRUPTE == msg->opCode ||
MSG_BS_INTERRUPTE_SELF == msg->opCode ||
MSG_BS_DISCONNECT == msg->opCode )
{
}
else if ( !getClient()->isAuthed() )
{
rc = getClient()->authenticate( "", "" ) ;
if ( rc )
{
goto done ;
}
}
switch ( msg->opCode )
{
case MSG_BS_GETMORE_REQ :
rc = SDB_COORD_UNKNOWN_OP_REQ ;
break ;
case MSG_BS_QUERY_REQ:
{
MsgOpQuery *pQueryMsg = ( MsgOpQuery * )msg ;
CHAR *pQueryName = pQueryMsg->name ;
SINT32 queryNameLen = pQueryMsg->nameLength ;
if ( queryNameLen > 0 && '$' == pQueryName[0] )
{
rtnCoordCommand *pCmdProcesser =
pProcesserFactory->getCommandProcesser( pQueryMsg ) ;
if ( NULL != pCmdProcesser )
{
rc = pCmdProcesser->execute( ( CHAR *)msg,
msg->messageLength,
eduCB(),
replyHeader,
&contextBuff ) ;
break ;
}
}
}
default:
{
rtnContextBase *pContext = NULL ;
rtnCoordOperator *pOperator =
pProcesserFactory->getOperator( msg->opCode ) ;
rc = pOperator->execute( ( CHAR* )msg,
msg->messageLength,
eduCB(),
replyHeader,
&contextBuff ) ;
if ( MSG_BS_QUERY_REQ == msg->opCode
&& ( ((MsgOpQuery*)msg)->flags & FLG_QUERY_WITH_RETURNDATA )
&& -1 != replyHeader.contextID
&& NULL != ( pContext = _pRTNCB->contextFind(
replyHeader.contextID ) ) )
{
rc = pContext->getMore( -1, contextBuff, eduCB() ) ;
if ( rc || pContext->eof() )
{
_pRTNCB->contextDelete( replyHeader.contextID, eduCB() ) ;
replyHeader.contextID = -1 ;
}
if ( SDB_DMS_EOC == rc )
{
rc = SDB_OK ;
}
else if ( rc )
{
PD_LOG( PDERROR, "Failed to query with return data, "
"rc: %d", rc ) ;
}
}
}
break;
}
if ( rc && contextBuff.size() == 0 )
{
if ( NULL != _pErrorObj )
{
contextBuff = rtnContextBuf( *_pErrorObj ) ;
}
else
{
BSONObj obj = utilGetErrorBson( rc, eduCB()->getInfo(
EDU_INFO_ERROR ) ) ;
contextBuff = rtnContextBuf( obj ) ;
}
}
done:
return rc ;
}
// PD_TRACE_DECLARE_FUNCTION ( COORD_EVAL_EXE, "_coordCMDEval::execute" )
INT32 _coordCMDEval::execute( MsgHeader *pMsg,
pmdEDUCB *cb,
INT64 &contextID,
rtnContextBuf *buf )
{
INT32 rc = SDB_OK ;
PD_TRACE_ENTRY( COORD_EVAL_EXE ) ;
spdSession *session = NULL ;
contextID = -1 ;
CHAR *pQuery = NULL ;
BSONObj procedures ;
spdCoordDownloader downloader( this, cb ) ;
BSONObj runInfo ;
rc = msgExtractQuery( (CHAR*)pMsg, NULL, NULL,
NULL, NULL, &pQuery, NULL,
NULL, NULL );
if ( SDB_OK != rc )
{
PD_LOG( PDERROR, "failed to extract eval msg:%d", rc) ;
goto error ;
}
try
{
procedures = BSONObj( pQuery ) ;
PD_LOG( PDDEBUG, "eval:%s", procedures.toString().c_str() ) ;
}
catch ( std::exception &e )
{
PD_LOG( PDERROR, "unexpected err happened:%s", e.what() ) ;
rc = SDB_SYS ;
goto error ;
}
session = SDB_OSS_NEW _spdSession() ;
if ( NULL == session )
{
PD_LOG( PDERROR, "failed to allocate mem." ) ;
rc = SDB_OOM ;
goto error ;
}
rc = session->eval( procedures, &downloader, cb ) ;
if ( SDB_OK != rc )
{
const BSONObj &errmsg = session->getErrMsg() ;
if ( !errmsg.isEmpty() )
{
*buf = rtnContextBuf( errmsg.getOwned() ) ;
}
PD_LOG( PDERROR, "failed to eval store procedure:%d", rc ) ;
goto error ;
}
if ( FMP_RES_TYPE_VOID != session->resType() )
{
rc = _buildContext( session, cb, contextID ) ;
if ( SDB_OK != rc )
{
PD_LOG( PDERROR, "failed to prepare reply msg:%d", rc ) ;
goto error ;
}
}
runInfo = BSON( FIELD_NAME_RTYPE << session->resType() ) ;
*buf = rtnContextBuf( runInfo ) ;
done:
if ( -1 == contextID )
{
SAFE_OSS_DELETE( session ) ;
}
PD_TRACE_EXITRC( COORD_EVAL_EXE, rc ) ;
return rc ;
error:
if ( contextID >= 0 )
{
pmdGetKRCB()->getRTNCB()->contextDelete( contextID, cb ) ;
contextID = -1 ;
}
goto done ;
}
