public void Twister()
{
var testdata = new int[]{1,2,3,4,5,6,7,8,9,10}.Select(x=>_dataCreator.GenerateTestData(1024*512*x)).ToArray();
long totalData = 0;
var stopwatch = new Stopwatch();
stopwatch.Start();
while (stopwatch.Elapsed < TimeSpan.FromSeconds(3))
{
int count = Random.Next(0, 21);
var sequence = Enumerable.Range(0, count).Select(n => testdata[Random.Next(testdata.Length)]).ToArray();
totalData += sequence.Sum(f => f.Length);
var stream = new RandomChunkStream();
ManualResetEvent doneReading = new ManualResetEvent(false);
ThreadPool.QueueUserWorkItem(ctx =>
{
try
{
using (var decompressor = new SnappyDOTNETStream(stream, CompressionMode.Decompress))
{
foreach (var file in sequence)
{
var decompressed = new byte[file.Length];
if (decompressed.Length < 500)
{
for (int i = 0; i < decompressed.Length; ++i)
decompressed[i] = checked((byte)decompressor.ReadByte());
}
else
{
ReadAll(decompressor, decompressed, 0, decompressed.Length);
}
CheckBuffers(file, decompressed);
}
Assert.AreEqual(-1, decompressor.ReadByte());
}
doneReading.Set();
}
catch (Exception e)
{
Console.WriteLine("Read thread failed: {0}", e);
throw;
}
});
using (var compressor = new SnappyDOTNETStream(stream, CompressionMode.Compress))
{
foreach (var file in sequence)
{
if (file.Length < 500)
{
for (int i = 0; i < file.Length; ++i)
compressor.WriteByte(file[i]);
}
else
{
compressor.Write(file, 0, file.Length);
}
if (WriteRandom.Next(10) == 0)
{
compressor.Flush();
}
}
{
if (WriteRandom.Next(2) == 0)
compressor.Flush();
}
}
doneReading.WaitOne();
}
stopwatch.Stop();
Console.WriteLine("Ran {0} MB through the stream, that's {1:0.0} MB/s", totalData / 1024 / 1024, totalData / stopwatch.Elapsed.TotalSeconds / 1024 / 1024);
}
