static void Main(string[] args)
{
// var cc = new Symmetric(Aes.Create());
// for (var i = 1; i < 2000; i++)
// {
// var buff = Enumerable.Range(0, i).Select(p => (byte) (p & 0xFF)).ToArray();
// var b = cc.Encrypt(buff);
// var z = cc.Decrypt(b);
//
// var b2 = cc.Encrypt(buff);
// var z2 = cc.Decrypt(b);
// }
var aes = Aes.Create();
aes.GenerateKey();
aes.GenerateIV();
var fileName = Path.Combine(@"D:\test2.container");
if (File.Exists(fileName))
{
File.Delete(fileName);
}
var text = string.Join(Environment.NewLine, Enumerable.Range(0, 15).Select(p => $"Hello, line #{p}, Текст, κείμενο, ਟੈਕਸਟ, random guid: {Guid.NewGuid()}"));
const int maxItems = 50;
using (var pc = new PersistentContainer(fileName, new PersistentContainerSettings(256).With(aes)))
{
foreach (var itemId in Enumerable.Range(0, maxItems))
{
var path = (itemId / 10).ToString("D4");
pc.Put($"/{path}/item{itemId}", text);
}
}
using (var pc = new PersistentContainer(fileName, new PersistentContainerSettings(256).With(aes)))
{
Console.WriteLine("File length: {0} bytes, entries: {1}", pc.Length, pc.Find().Length);
Console.WriteLine();
var mask = "/004?/*";
var entries = pc.Find(mask);
Console.WriteLine("Found {0} items with mask: {1}, show first 10:", entries.Length, mask);
foreach (var entry in entries.Take(10))
{
var item = pc.GetString(entry.Name);
Console.WriteLine(entry);
}
}
}
static void Main(string[] args)
{
var fileName = Path.Combine(Path.GetTempPath(), "test2.container");
if (File.Exists(fileName))
{
File.Delete(fileName);
}
const int maxItems = 1000;
using (var pc = new PersistentContainer(fileName, new PersistentContainerSettings(256)))
{
// write 0000/item0, 0000/item1, 0000/item2, ..., 0001/item10, 0001/item11, ..., 0002/item10, 0002/item21,
foreach (var itemId in Enumerable.Range(0, maxItems))
{
var path = (itemId / 10).ToString("D4");
pc.Put($"/{path}/item{itemId}", $"Hello, i'm item #{itemId}, some random guid: {Guid.NewGuid()}");
}
}
using (var pc = new PersistentContainer(fileName, new PersistentContainerSettings(256)))
{
Console.WriteLine("File length: {0} bytes, entries: {1}", pc.Length, pc.Find().Length);
Console.WriteLine();
var mask1 = "/004?/*";
var entries1 = pc.Find(mask1);
Console.WriteLine("Found {0} items with mask: {1}, show first 10:", entries1.Length, mask1);
foreach (var entry in entries1.Take(10))
{
Console.WriteLine(entry);
}
Console.WriteLine();
var mask2 = "/*/item?00";
var entries2 = pc.Find(mask2);
Console.WriteLine("Found {0} items with mask: {1}, show first 10:", entries2.Length, mask2);
foreach (var entry in entries2.Take(10))
{
Console.WriteLine(entry);
}
Console.WriteLine();
}
}
static void testBatchWrites(Dictionary <string, byte[]> extractedFiles, int batchSize, PersistentContainerCompressType compressType = 0)
{
Console.WriteLine();
Console.WriteLine("Batch requests [Compress={0}]: {1}", compressType.ToString(), batchSize);
Console.WriteLine("Page ms MB/sec(w) MB/sec(r) Ratio");
var items = makeBatches(extractedFiles, batchSize);
foreach (var pageSize in pageSizes)
{
var targetFileName = getFileNameByPageSize(pageSize);
if (File.Exists(targetFileName))
{
File.Delete(targetFileName);
}
var sw = Stopwatch.StartNew();
using (var container = new PersistentContainer(targetFileName, new PersistentContainerSettings(pageSize, 0, compressType)))
foreach (var item in items)
{
container.Put(item);
}
var elapsedWrites = sw.ElapsedMilliseconds;
var targetFileLength = new FileInfo(targetFileName).Length;
sw.Restart();
var rawLength = 0;
var compressedLength = 0;
using (var container = new PersistentContainer(targetFileName, new PersistentContainerSettings(pageSize, 0, compressType)))
{
foreach (var entry in container.Find())
{
compressedLength += entry.CompressedLength;
rawLength += container.Get(entry.Name)?.Length ?? 0;
}
}
var elapsedRead = sw.ElapsedMilliseconds;
sw.Stop();
var lengthInMB = targetFileLength / 1048576.0;
var rawLengthInMB = rawLength / 1048576.0;
Console.WriteLine("{0,5} {1,8} {2,8:F1} {3,8:F1} {4,8:F2}x",
pageSize, sw.ElapsedMilliseconds,
lengthInMB / (elapsedWrites / 1000.0),
rawLengthInMB / (elapsedRead / 1000.0),
rawLength / (double)compressedLength);
}
}
static void Main(string[] args)
{
var fileName = Path.Combine(Path.GetTempPath(), "test.container");
if (File.Exists(fileName))
{
File.Delete(fileName);
}
using (var pc = new PersistentContainer(fileName, new PersistentContainerSettings(256)))
{
pc.Put("item1", "Hello");
pc.Put("item2", "User");
// overwrite item1:
pc.Put("item1", "Bye!");
pc.Append("item1", "See you later!");
pc.Delete("item2");
pc.Put("item3", "another item");
}
using (var pc = new PersistentContainer(fileName, new PersistentContainerSettings(256)))
{
var entries = pc.Find();
foreach (var entry in entries)
{
Console.WriteLine(entry);
}
Console.WriteLine();
foreach (var entry in entries)
{
Console.WriteLine("{0}: {1}", entry.Name, pc.GetString(entry.Name));
}
}
}
