public bool[] GetBits(int count)
{
var c = new AtomicInt32();
var bits = new bool[count];
for (var i = 0; i < count; i++)
{
var task = Task.Run(() => c.Increment());
while (!task.IsCompleted)
{
c.Increment();
}
bits[i] = c % 2 == 0;
}
return(bits);
}
private async ValueTask <int> InitializeFromBackup()
{
if (_settings.BackupFile.IsNullOrWhiteSpace())
{
return(0);
}
var file = new FileInfo(_settings.BackupFile);
if (file.Exists && file.Length > 0)
{
if (_settings.DataDir.IsNotNullOrWhiteSpace())
{
using var zip = ZipFile.OpenRead(file.FullName);
await zip.ExtractToDirectoryAsync(_dataDir);
return(await InitializeFromData());
}
var count = new AtomicInt32();
var loaded = new AtomicHashSet <string>();
var threads = Environment.ProcessorCount / 2;
await Task.WhenAll(Enumerable.Range(0, threads).Select(i => Task.Run(async() =>
{
using var zip = ZipFile.OpenRead(file.FullName);
foreach (var entry in zip.Entries.OrderBy(e => e.Length).Where(e => loaded.TryAdd(e.FullName)).Watch(zip.Entries.Count / threads))
{
using var stream = entry.Open();
using var data = new ZipArchive(stream, ZipArchiveMode.Read);
await InitializeFromZip(data);
count.Increment();
}
})));
return(count);
}
return(0);
}
