INT32 _pmdDataProcessor::_onRemoveLobMsg( MsgHeader *msg, SDB_DPSCB *dpsCB )
{
INT32 rc = SDB_OK ;
BSONObj meta ;
const MsgOpLob *header = NULL ;
rc = msgExtractRemoveLobRequest( ( const CHAR * )msg, &header,
meta ) ;
if ( SDB_OK != rc )
{
PD_LOG( PDERROR, "failed to extract remove msg:%d", rc ) ;
goto error ;
}
rc = rtnRemoveLob( meta, header->w, eduCB(), dpsCB ) ;
if ( SDB_OK != rc )
{
PD_LOG( PDERROR, "failed to remove lob:%d", rc ) ;
goto error ;
}
done:
return rc ;
error:
goto done ;
}
// PD_TRACE_DECLARE_FUNCTION ( SDB_RTNCOORDREMOVELOB_EXECUTE, "rtnCoordRemoveLob::execute" )
INT32 rtnCoordRemoveLob::execute( CHAR *pReceiveBuffer, SINT32 packSize,
CHAR **ppResultBuffer, pmdEDUCB *cb,
MsgOpReply &replyHeader,
BSONObj** ppErrorObj )
{
INT32 rc = SDB_OK ;
PD_TRACE_ENTRY( SDB_RTNCOORDREMOVELOB_EXECUTE ) ;
const MsgOpLob *header = NULL ;
const MsgHeader *baseHeader = ( const MsgHeader * )pReceiveBuffer ;
BSONObj obj ;
BSONElement ele ;
const CHAR *fullName = NULL ;
_rtnCoordLobStream stream ;
replyHeader.header.messageLength = sizeof( MsgOpReply ) ;
replyHeader.header.opCode = MSG_BS_LOB_CLOSE_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 = msgExtractRemoveLobRequest( pReceiveBuffer, &header,
obj ) ;
if ( SDB_OK != rc )
{
PD_LOG( PDERROR, "failed to extract remove msg:%d", rc ) ;
goto error ;
}
ele = obj.getField( FIELD_NAME_COLLECTION ) ;
if ( String != ele.type() )
{
PD_LOG( PDERROR, "invalid type of field \"collection\":%s",
obj.toString( FALSE, TRUE ).c_str() ) ;
rc = SDB_SYS ;
goto error ;
}
fullName = ele.valuestr() ;
ele = obj.getField( FIELD_NAME_LOB_OID ) ;
if ( jstOID != ele.type() )
{
PD_LOG( PDERROR, "invalid type of field \"oid\":%s",
obj.toString( FALSE, TRUE ).c_str() ) ;
rc = SDB_SYS ;
goto error ;
}
rc = stream.open( fullName,
ele.__oid(), SDB_LOB_MODE_REMOVE,
cb ) ;
if ( SDB_OK != rc )
{
PD_LOG( PDERROR, "failed to remove lob:%s, rc:%d",
ele.__oid().str().c_str(), rc ) ;
goto error ;
}
else
{
}
rc = stream.truncate( 0, cb ) ;
if ( SDB_OK != rc )
{
PD_LOG( PDERROR, "faield to truncate lob:%d", rc ) ;
goto error ;
}
done:
{
INT32 rcTmp = SDB_OK ;
rcTmp = stream.close( cb ) ;
if ( SDB_OK != rcTmp )
{
PD_LOG( PDERROR, "failed to remove lob:%d", rcTmp ) ;
rc = rc == SDB_OK ? rcTmp : rc ;
replyHeader.flags = rc ;
}
}
PD_TRACE_EXITRC( SDB_RTNCOORDREMOVELOB_EXECUTE, rc ) ;
return rc ;
error:
replyHeader.flags = rc ;
goto done ;
}
