private async Task <IndexFat> LoadFatAsync(int length)
{
var buffer = new byte[length];
await _storageFacade.DownloadRangeAsync(_blobName, buffer);
return(JsonSerializer.Deserialize <IndexFat>(buffer));
}
private async Task <BufferPool> LoadBlocksAsync(IImmutableList <Block> blocks)
{
if (_initialized == null)
{
throw new InvalidOperationException("InitializeAsync hasn't been called");
}
var(start, end) = Block.GetInterval(blocks, _initialized.BlobBlocks);
var buffer = BufferPool.Rent((int)(end - start));
await _storageFacade.DownloadRangeAsync(
_blobName,
buffer.Buffer,
start,
end - start,
_initialized.SnapshotTime);
return(buffer);
}
private async Task <LogFat> LoadFatAsync(int length, string partitionPath)
{
var buffer = new byte[length];
await _storageFacade.DownloadRangeAsync(_blobName, buffer);
var logFat = JsonSerializer.Deserialize <LogFat>(buffer);
if (logFat.PartitionPath != partitionPath)
{
throw new CosbakException(
$"Partition path changed from {logFat.PartitionPath} to {partitionPath}");
}
return(logFat);
}