public StorageEnvironment(StorageEnvironmentOptions options)
{
try
{
_log = LoggingSource.Instance.GetLogger <StorageEnvironment>(options.BasePath);
_options = options;
_dataPager = options.DataPager;
_freeSpaceHandling = new FreeSpaceHandling();
_headerAccessor = new HeaderAccessor(this);
_options.DeleteAllTempBuffers();
_decompressionBuffers = new DecompressionBuffersPool(options);
var isNew = _headerAccessor.Initialize();
_scratchBufferPool = new ScratchBufferPool(this);
if (PlatformDetails.RunningOnPosix &&
options.BasePath != null &&
IsStorageSupportingO_Direct(options.BasePath) == false)
{
options.SafePosixOpenFlags &= ~PerPlatformValues.OpenFlags.O_DIRECT;
var message = "Path " + options.BasePath +
" not supporting O_DIRECT writes. As a result - data durability is not guarenteed";
_options.InvokeNonDurabaleFileSystemError(this, message, null);
}
options.PosixOpenFlags = options.SafePosixOpenFlags;
_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;
}
}
