private Result ReadFile(out byte[] data)
{
Debug.Assert(FsClient != null);
Debug.Assert(!string.IsNullOrWhiteSpace(FileName));
data = default;
Result rc = FsClient.OpenFile(out FileHandle handle, FileName, OpenMode.Read);
if (rc.IsFailure())
{
return(rc);
}
rc = FsClient.GetFileSize(out long fileSize, handle);
if (rc.IsSuccess())
{
data = new byte[fileSize];
rc = FsClient.ReadFile(handle, 0, data);
}
FsClient.CloseFile(handle);
return(rc);
}
protected override Result DoRead(long offset, Span <byte> destination)
{
lock (_locker)
{
if (destination.Length == 0)
{
return(Result.Success);
}
Result rc = UpdateSize();
if (rc.IsFailure())
{
return(rc);
}
if (!IsRangeValid(offset, destination.Length, FileSize))
{
return(ResultFs.OutOfRange.Log());
}
return(FsClient.ReadFile(Handle, offset, destination));
}
}
