private const int MAXIMUM_LENGTH = 1 * 10 * 1024 * 1024; // 10MB
#endregion
#region utilities
private void TestConformance(TimedMethod[] compressors, TimedMethod[] decompressors)
{
var provider = new BlockDataProvider(Utilities.GetSilesiaCorpusFolder());
var r = new Random(0);
Console.WriteLine("Architecture: {0}bit", IntPtr.Size * 8);
var total = 0;
const long limit = 1L * 1024 * 1024 * 1024;
var last_pct = 0;
while (total < limit)
{
var length = Utilities.RandomLength(r, MAXIMUM_LENGTH);
var block = provider.GetBytes(length);
TestData(block, compressors, decompressors);
total += block.Length;
var pct = (int)((double)total * 100 / limit);
if (pct > last_pct)
{
Console.WriteLine("{0}%...", pct);
last_pct = pct;
}
}
}
// ReSharper disable InconsistentNaming
private static void DoAction(Action <byte[], Stream> action, bool read)
{
var provider = new BlockDataProvider(Utilities.GetSilesiaCorpusFolder());
var r = new Random(0);
Console.WriteLine("Architecture: {0}bit", IntPtr.Size * 8);
Console.WriteLine("CodecName: {0}", LZ4Codec.CodecName);
var fileName = Path.Combine(Path.GetTempPath(), "BlockCompressionStream.dat");
using (var stream = new LZ4Stream(
read ? File.OpenRead(fileName) : File.Create(fileName),
read ? CompressionMode.Decompress : CompressionMode.Compress,
LZ4StreamFlags.HighCompression))
{
var total = 0;
const long limit = TOTAL_SIZE;
var last_pct = 0;
while (total < limit)
{
var length = Utilities.RandomLength(r, CHUNK_SIZE);
var block = provider.GetBytes(length);
action(block, stream);
total += block.Length;
var pct = (int)((double)total * 100 / limit);
if (pct > last_pct)
{
Console.WriteLine("{0}%...", pct);
last_pct = pct;
}
}
}
}
public Disk(object readLock, object writeLock,
BlockDataProvider readProvider, BlockDataProvider writeProvider,
Queue <ByteBlock> readQueue, Queue <ByteBlock> writeQueue,
int queueCapacity,
ref AutoResetEvent resetEvent,
Compression.Enums.CompressionAlgorithms algorithms,
Compression.Enums.CompressionType CompressionType) : base(readLock, writeLock, writeQueue, readQueue)
{
this.queueCapacity = queueCapacity;
this.readProvider = readProvider;
this.writeProvider = writeProvider;
this.waitHandle = resetEvent;
this.algorithms = algorithms;
this.CompressionType = CompressionType;
}