// PD_TRACE_DECLARE_FUNCTION ( SDB__CLSSYNCMAG_GETSYNCSRC, "_clsSyncManager::getSyncSrc" )
MsgRouteID _clsSyncManager::getSyncSrc( const set<UINT64> &blacklist )
{
PD_TRACE_ENTRY ( SDB__CLSSYNCMAG_GETSYNCSRC ) ;
MsgRouteID res ;
res.value = MSG_INVALID_ROUTEID ;
_info->mtx.lock_r() ;
map<UINT64, _clsSharingStatus *>::iterator itr =
_info->alives.find( _info->primary.value ) ;
if ( _info->alives.end() != itr &&
CLS_SYNC_STATUS_PEER ==
itr->second->beat.syncStatus )
{
res.value = itr->first ;
goto done ;
}
else
{
MsgRouteID ids[CLS_SYNC_SET_NUM] ;
UINT32 validNum = 0 ;
itr = _info->alives.begin() ;
for ( ; itr != _info->alives.end(); itr++ )
{
if ( CLS_SYNC_STATUS_PEER == itr->second->beat.syncStatus &&
0 == blacklist.count( itr->first ) )
{
ids[validNum++].value = itr->first ;
}
}
if ( 0 == validNum )
{
itr = _info->alives.begin() ;
for ( ; itr != _info->alives.end(); itr++ )
{
if ( CLS_SYNC_STATUS_RC == itr->second->beat.syncStatus &&
itr->first != _info->primary.value &&
0 == blacklist.count( itr->first ))
{
ids[validNum++].value = itr->first ;
}
}
if ( 0 != validNum )
{
res.value = ids[ossRand() % validNum].value ;
}
else
{
res.value = _info->primary.value ;
}
}
else
{
res.value = ids[ossRand() % validNum].value ;
}
}
done:
_info->mtx.release_r() ;
PD_TRACE_EXIT ( SDB__CLSSYNCMAG_GETSYNCSRC ) ;
return res ;
}
// PD_TRACE_DECLARE_FUNCTION ( SDB__DMSSU, "_dmsStorageUnit::_dmsStorageUnit" )
_dmsStorageUnit::_dmsStorageUnit ( const CHAR *pSUName, UINT32 sequence,
INT32 pageSize, INT32 lobPageSize )
:_apm(this),
_pDataSu( NULL ),
_pIndexSu( NULL ),
_pLobSu( NULL )
{
PD_TRACE_ENTRY ( SDB__DMSSU ) ;
SDB_ASSERT ( pSUName, "name can't be null" ) ;
if ( 0 == pageSize )
{
pageSize = DMS_PAGE_SIZE_DFT ;
}
if ( 0 == lobPageSize )
{
lobPageSize = DMS_DEFAULT_LOB_PAGE_SZ ;
}
CHAR dataFileName[DMS_SU_FILENAME_SZ + 1] = {0} ;
CHAR idxFileName[DMS_SU_FILENAME_SZ + 1] = {0} ;
_storageInfo._pageSize = pageSize ;
_storageInfo._lobdPageSize = lobPageSize ;
ossStrncpy( _storageInfo._suName, pSUName, DMS_SU_NAME_SZ ) ;
_storageInfo._suName[DMS_SU_NAME_SZ] = 0 ;
_storageInfo._sequence = sequence ;
_storageInfo._secretValue = ossPack32To64( (UINT32)time(NULL),
(UINT32)(ossRand()*239641) ) ;
ossSnprintf( dataFileName, DMS_SU_FILENAME_SZ, "%s.%d.%s",
_storageInfo._suName, sequence, DMS_DATA_SU_EXT_NAME ) ;
ossSnprintf( idxFileName, DMS_SU_FILENAME_SZ, "%s.%d.%s",
_storageInfo._suName, sequence, DMS_INDEX_SU_EXT_NAME ) ;
_pDataSu = SDB_OSS_NEW dmsStorageData( dataFileName, &_storageInfo ) ;
if ( _pDataSu )
{
_pIndexSu = SDB_OSS_NEW dmsStorageIndex( idxFileName, &_storageInfo,
_pDataSu ) ;
}
if ( NULL != _pDataSu && NULL != _pIndexSu )
{
ossMemset( dataFileName, 0, sizeof( dataFileName ) ) ;
ossMemset( idxFileName, 0 , sizeof( idxFileName ) ) ;
ossSnprintf( dataFileName, DMS_SU_FILENAME_SZ, "%s.%d.%s",
_storageInfo._suName, _storageInfo._sequence,
DMS_LOB_META_SU_EXT_NAME ) ;
ossSnprintf( idxFileName, DMS_SU_FILENAME_SZ, "%s.%d.%s",
_storageInfo._suName, _storageInfo._sequence,
DMS_LOB_DATA_SU_EXT_NAME ) ;
_pLobSu = SDB_OSS_NEW dmsStorageLob( dataFileName, idxFileName,
&_storageInfo, _pDataSu ) ;
}
PD_TRACE_EXIT ( SDB__DMSSU ) ;
}
// PD_TRACE_DECLARE_FUNCTION ( SDB_CATALOGCB_GETAGROUPRAND, "sdbCatalogueCB::getAGroupRand" )
INT32 sdbCatalogueCB::getAGroupRand( INT32 &groupID )
{
INT32 rc = SDB_CAT_NO_NODEGROUP_INFO ;
PD_TRACE_ENTRY ( SDB_CATALOGCB_GETAGROUPRAND ) ;
ossScopedLock _lock( &_GrpIDMutex, EXCLUSIVE ) ;
UINT32 mapSize = _grpIdMap.size();
PD_TRACE1 ( SDB_CATALOGCB_GETAGROUPRAND,
PD_PACK_UINT ( mapSize ) ) ;
if ( mapSize > 0 )
{
UINT32 randNum = ossRand() % mapSize;
UINT32 i = 0;
GRP_ID_MAP::iterator iterMap = _grpIdMap.begin();
for ( ; i < randNum && iterMap!=_grpIdMap.end(); i++ )
{
++iterMap;
}
if ( iterMap != _grpIdMap.end() )
{
groupID = iterMap->first;
rc = SDB_OK ;
}
}
PD_TRACE_EXITRC ( SDB_CATALOGCB_GETAGROUPRAND, rc ) ;
return rc;
}