INT32 _rtnLobWindow::init( INT32 pageSize )
{
INT32 rc = SDB_OK ;
SDB_ASSERT( DMS_DO_NOT_CREATE_LOB < pageSize,
"invalid arguments" ) ;
SDB_ASSERT( _writeData.empty(), "impossible" ) ;
if ( !ossIsPowerOf2( pageSize, &_logarithmic ) )
{
PD_LOG( PDERROR, "invalid page size:%d, it should be a power of 2",
pageSize ) ;
rc = SDB_INVALIDARG ;
goto error ;
}
_pool = ( CHAR * )SDB_OSS_MALLOC( pageSize ) ;
if ( NULL == _pool )
{
PD_LOG( PDERROR, "failed to allocate mem." ) ;
rc = SDB_OOM ;
goto error ;
}
_pageSize = pageSize ;
done:
return rc ;
error:
goto done ;
}
// PD_TRACE_DECLARE_FUNCTION ( SDB__DPSRPCMGR_INIT, "_dpsReplicaLogMgr::init" )
INT32 _dpsReplicaLogMgr::init ( const CHAR *path, UINT32 pageNum )
{
INT32 rc = SDB_OK;
PD_TRACE_ENTRY ( SDB__DPSRPCMGR_INIT );
SDB_ASSERT ( path, "path can't be NULL" ) ;
_transCB = sdbGetTransCB() ;
_pages = SDB_OSS_NEW _dpsLogPage[pageNum];
if ( NULL == _pages )
{
rc = SDB_OOM;
PD_LOG (PDERROR, "new _dpsLogPage[pageNum] failed!" );
goto error;
}
for ( UINT32 i = 0; i < pageNum; i++ )
{
_pages[i].setNumber( i );
}
_totalSize = DPS_DEFAULT_PAGE_SIZE * pageNum;
_idleSize.init( _totalSize );
_pageNum = pageNum ;
if ( ossIsPowerOf2( pageNum ) )
{
DPS_SUB_BIT = ~pageNum ;
}
rc = _logger.init( path );
if ( rc )
{
PD_LOG ( PDERROR, "Failed to initial log files, rc = %d", rc ) ;
goto error;
}
if ( !_logger.getStartLSN( FALSE ).invalid() )
{
rc = _restore () ;
if ( SDB_OK == rc )
{
PD_LOG ( PDEVENT, "Dps restore succeed, file lsn[%lld], buff "
"lsn[%lld], current lsn[%lld], expect lsn[%lld]",
_logger.getStartLSN().offset, _getStartLsn().offset,
_currentLsn.offset, _lsn.offset ) ;
}
else
{
PD_LOG ( PDERROR, "Dps restore failed[rc:%d]", rc ) ;
goto error ;
}
}
done:
PD_TRACE_EXITRC ( SDB__DPSRPCMGR_INIT, rc );
return rc;
error:
goto done;
}
