public async ValueTask WriteAsync(OmniHash rootHash, OmniHash targetHash, ReadOnlyMemory <byte> memory, CancellationToken cancellationToken = default)
{
using (await _asyncLock.LockAsync())
{
if (!_wantFileStatusMap.TryGetValue(rootHash, out var status) ||
!status.WantBlocks.Contains(targetHash))
{
return;
}
var filePath = Path.Combine(Path.Combine(_configPath, this.OmniHashToFilePath(rootHash)), this.OmniHashToFilePath(targetHash));
if (File.Exists(filePath))
{
return;
}
using (var fileStream = new UnbufferedFileStream(filePath, FileMode.Create, FileAccess.ReadWrite, FileShare.None, FileOptions.None, _bytesPool))
{
await fileStream.WriteAsync(memory);
}
status.WantBlocks.Remove(targetHash);
}
}
private async ValueTask WriteAsync(string basePath, OmniHash hash, ReadOnlyMemory <byte> memory)
{
var filePath = Path.Combine(basePath, this.OmniHashToFilePath(hash));
using (var fileStream = new UnbufferedFileStream(filePath, FileMode.Create, FileAccess.ReadWrite, FileShare.None, FileOptions.None, _bytesPool))
{
await fileStream.WriteAsync(memory);
}
}