public StorageEnvironment(StorageEnvironmentOptions options)
{
try
{
_log = LoggingSource.Instance.GetLogger <StorageEnvironment>(options.BasePath.FullPath);
_options = options;
_dataPager = options.DataPager;
_freeSpaceHandling = new FreeSpaceHandling();
_headerAccessor = new HeaderAccessor(this);
NumOfConcurrentSyncsPerPhysDrive = options.NumOfConcurrentSyncsPerPhysDrive;
TimeToSyncAfterFlashInSec = options.TimeToSyncAfterFlashInSec;
Debug.Assert(_dataPager.NumberOfAllocatedPages != 0);
var remainingBits = _dataPager.NumberOfAllocatedPages % (8 * sizeof(long));
_validPages = new long[_dataPager.NumberOfAllocatedPages / (8 * sizeof(long)) + (remainingBits == 0 ? 0 : 1)];
_validPages[_validPages.Length - 1] |= unchecked (((long)ulong.MaxValue << (int)remainingBits));
_decompressionBuffers = new DecompressionBuffersPool(options);
var isNew = _headerAccessor.Initialize();
_scratchBufferPool = new ScratchBufferPool(this);
options.SetPosixOptions();
_journal = new WriteAheadJournal(this);
if (isNew)
{
CreateNewDatabase();
}
else // existing db, let us load it
{
LoadExistingDatabase();
}
if (_options.ManualFlushing == false)
{
Task.Run(IdleFlushTimer);
}
}
catch (Exception)
{
Dispose();
throw;
}
}
