INT32 _coordDeleteOperator::_prepareMainCLOp( coordCataSel &cataSel,
coordSendMsgIn &inMsg,
coordSendOptions &options,
pmdEDUCB *cb,
coordProcessResult &result )
{
INT32 rc = SDB_OK ;
MsgOpDelete *pDelMsg = ( MsgOpDelete* )inMsg.msg() ;
INT32 flag = 0 ;
CHAR *pCollectionName = NULL;
CHAR *pDeletor = NULL;
CHAR *pHint = NULL;
CoordGroupSubCLMap &grpSubCl = cataSel.getGroup2SubsMap() ;
CoordGroupSubCLMap::iterator it ;
inMsg.data()->clear() ;
rc = msgExtractDelete( (CHAR*)inMsg.msg(), &flag, &pCollectionName,
&pDeletor, &pHint ) ;
PD_RC_CHECK( rc, PDERROR, "Failed to parse delete request, rc: %d",
rc ) ;
try
{
BSONObj boDeletor( pDeletor ) ;
BSONObj boHint( pHint ) ;
BSONObj boNew ;
CHAR *pBuff = NULL ;
UINT32 buffLen = 0 ;
UINT32 buffPos = 0 ;
it = grpSubCl.begin() ;
while( it != grpSubCl.end() )
{
CoordSubCLlist &subCLLst = it->second ;
netIOVec &iovec = inMsg._datas[ it->first ] ;
netIOV ioItem ;
ioItem.iovBase = (const CHAR*)inMsg.msg() + sizeof( MsgHeader ) ;
ioItem.iovLen = ossRoundUpToMultipleX ( offsetof(MsgOpDelete, name) +
pDelMsg->nameLength + 1, 4 ) -
sizeof( MsgHeader ) ;
iovec.push_back( ioItem ) ;
boNew = _buildNewDeletor( boDeletor, subCLLst ) ;
UINT32 roundLen = ossRoundUpToMultipleX( boNew.objsize(), 4 ) ;
if ( buffPos + roundLen > buffLen )
{
UINT32 alignLen = ossRoundUpToMultipleX( roundLen,
DMS_PAGE_SIZE4K ) ;
rc = cb->allocBuff( alignLen, &pBuff, &buffLen ) ;
PD_RC_CHECK( rc, PDERROR, "Alloc buff[%u] failed, rc: %d",
alignLen, rc ) ;
_vecBlock.push_back( pBuff ) ;
buffPos = 0 ;
}
ossMemcpy( &pBuff[ buffPos ], boNew.objdata(), boNew.objsize() ) ;
ioItem.iovBase = &pBuff[ buffPos ] ;
ioItem.iovLen = roundLen ;
buffPos += roundLen ;
iovec.push_back( ioItem ) ;
ioItem.iovBase = boHint.objdata() ;
ioItem.iovLen = boHint.objsize() ;
iovec.push_back( ioItem ) ;
++it ;
}
}
catch( std::exception &e )
{
PD_LOG( PDERROR, "Parse delete message occur exception: %s",
e.what() ) ;
rc = SDB_SYS ;
goto error ;
}
done:
return rc ;
error:
_clearBlock( cb ) ;
goto done ;
}
INT32 rtnCoordDelete::_prepareMainCLOp( CoordCataInfoPtr &cataInfo,
CoordGroupSubCLMap &grpSubCl,
rtnSendMsgIn &inMsg,
rtnSendOptions &options,
netMultiRouteAgent *pRouteAgent,
pmdEDUCB *cb,
rtnProcessResult &result,
ossValuePtr &outPtr )
{
INT32 rc = SDB_OK ;
MsgOpDelete *pDelMsg = ( MsgOpDelete* )inMsg.msg() ;
INT32 flag = 0 ;
CHAR *pCollectionName = NULL;
CHAR *pDeletor = NULL;
CHAR *pHint = NULL;
BSONObj boDeletor ;
BSONObj boHint ;
BSONObj boNew ;
CHAR *pBuff = NULL ;
INT32 buffLen = 0 ;
INT32 buffPos = 0 ;
vector<CHAR*> *pBlock = NULL ;
CoordGroupSubCLMap::iterator it ;
outPtr = (ossValuePtr)0 ;
inMsg.data()->clear() ;
rc = msgExtractDelete( (CHAR*)inMsg.msg(), &flag, &pCollectionName,
&pDeletor, &pHint ) ;
PD_RC_CHECK( rc, PDERROR, "Failed to parse delete request, rc: %d",
rc ) ;
boDeletor = BSONObj( pDeletor ) ;
boHint = BSONObj( pHint ) ;
pBlock = new vector< CHAR* >( 16 ) ;
if ( !pBlock )
{
PD_LOG( PDERROR, "Alloc vector failed" ) ;
rc = SDB_OOM ;
goto error ;
}
it = grpSubCl.begin() ;
while( it != grpSubCl.end() )
{
CoordSubCLlist &subCLLst = it->second ;
netIOVec &iovec = inMsg._datas[ it->first ] ;
netIOV ioItem ;
// 1. first vec
ioItem.iovBase = (CHAR*)inMsg.msg() + sizeof( MsgHeader ) ;
ioItem.iovLen = ossRoundUpToMultipleX ( offsetof(MsgOpDelete, name) +
pDelMsg->nameLength + 1, 4 ) -
sizeof( MsgHeader ) ;
iovec.push_back( ioItem ) ;
// 2. new deletor vec
boNew = _buildNewDeletor( boDeletor, subCLLst ) ;
// 2.1 add to buff
INT32 roundLen = ossRoundUpToMultipleX( boNew.objsize(), 4 ) ;
if ( buffPos + roundLen > buffLen )
{
INT32 alignLen = ossRoundUpToMultipleX( roundLen,
DMS_PAGE_SIZE4K ) ;
rc = cb->allocBuff( alignLen, &pBuff, buffLen ) ;
PD_RC_CHECK( rc, PDERROR, "Alloc buff[%d] failed, rc: %d",
alignLen, rc ) ;
pBlock->push_back( pBuff ) ;
buffPos = 0 ;
}
ossMemcpy( &pBuff[ buffPos ], boNew.objdata(), boNew.objsize() ) ;
ioItem.iovBase = &pBuff[ buffPos ] ;
ioItem.iovLen = roundLen ;
buffPos += roundLen ;
iovec.push_back( ioItem ) ;
// 3. hinter vec
ioItem.iovBase = boHint.objdata() ;
ioItem.iovLen = boHint.objsize() ;
iovec.push_back( ioItem ) ;
++it ;
}
outPtr = ( ossValuePtr )pBlock ;
done:
return rc ;
error:
if ( pBlock )
{
for ( INT32 i = 0 ; i < (INT32)pBlock->size() ; ++i )
{
cb->releaseBuff( (*pBlock)[ i ] ) ;
}
delete pBlock ;
pBlock = NULL ;
}
goto done ;
}
