public void Decode(ArraySegment <byte>[] pkts, int[] index, int size)
{
_cancel = false;
lock (this.ThisLock)
{
ReedSolomon8.Shuffle(pkts, index, _k);
byte[][] bufs = new byte[pkts.Length][];
int[] offs = new int[pkts.Length];
for (int i = 0; i < bufs.Length; i++)
{
bufs[i] = pkts[i].Array;
offs[i] = pkts[i].Offset;
}
this.Decode(bufs, offs, index, size);
}
}
public void ReedSolomon8()
{
Random random = new Random();
const int blockSize = 1024 * 1024;
for (int c = 1; c <= 4; c++)
{
ReedSolomon8 pc = new ReedSolomon8(128, 256, c, _bufferManager);
ArraySegment<byte>[] buffList = new ArraySegment<byte>[128];
for (int i = 0; i < 128; i++)
{
var buffer = _bufferManager.TakeBuffer(blockSize);
random.NextBytes(buffer);
buffList[i] = new ArraySegment<byte>(buffer);
}
ArraySegment<byte>[] buffList2 = new ArraySegment<byte>[128];
for (int i = 0; i < 128; i++)
{
var buffer = _bufferManager.TakeBuffer(blockSize);
buffList2[i] = new ArraySegment<byte>(buffer);
}
int[] intList = new int[128];
for (int i = 0; i < 128; i++)
{
intList[i] = i + 128;
}
Stopwatch sw = new Stopwatch();
sw.Start();
pc.Encode(buffList, buffList2, intList, blockSize);
pc.Decode(buffList2, intList, blockSize);
sw.Stop();
for (int i = 0; i < buffList.Length; i++)
{
Assert.IsTrue(CollectionUtilities.Equals(buffList[i].Array, buffList[i].Offset, buffList2[i].Array, buffList2[i].Offset, blockSize), "ReedSolomon");
}
for (int i = 0; i < 128; i++)
{
_bufferManager.ReturnBuffer(buffList[i].Array);
}
for (int i = 0; i < 128; i++)
{
_bufferManager.ReturnBuffer(buffList2[i].Array);
}
Console.WriteLine(string.Format("ReedSolomon8 Parallel {0}: ", c) + sw.Elapsed.ToString());
}
Console.Write(Environment.NewLine);
}
public void Test_ReedSolomon8()
{
for (int count = 128 - 1; count >= 0; count--)
{
int blockLength = _random.Next(32, 1024);
ReedSolomon8 reedSolomon8 = new ReedSolomon8(128, 256, 2, _bufferManager);
var buffList = new ArraySegment<byte>[128];
for (int i = 0; i < 128; i++)
{
var buffer = new byte[blockLength];
_random.NextBytes(buffer);
buffList[i] = new ArraySegment<byte>(buffer, 0, buffer.Length);
}
var buffList2 = new ArraySegment<byte>[256];
for (int i = 0; i < 256; i++)
{
var buffer = new byte[blockLength];
buffList2[i] = new ArraySegment<byte>(buffer, 0, buffer.Length);
}
var intList = new int[256];
for (int i = 0; i < 256; i++)
{
intList[i] = i;
}
reedSolomon8.Encode(buffList, buffList2, intList, blockLength);
var buffList3 = new ArraySegment<byte>[128];
{
int i = 0;
for (int j = 0; i < 64; i++, j++)
{
buffList3[i] = buffList2[i];
}
for (int j = 0; i < 128; i++, j++)
{
buffList3[i] = buffList2[128 + j];
}
}
var intList2 = new int[128];
{
int i = 0;
for (int j = 0; i < 64; i++, j++)
{
intList2[i] = i;
}
for (int j = 0; i < 128; i++, j++)
{
intList2[i] = 128 + j;
}
}
{
int n = buffList3.Length;
while (n > 1)
{
int k = _random.Next(n--);
var temp = buffList3[n];
buffList3[n] = buffList3[k];
buffList3[k] = temp;
var temp2 = intList2[n];
intList2[n] = intList2[k];
intList2[k] = temp2;
}
}
reedSolomon8.Decode(buffList3, intList2, blockLength);
for (int i = 0; i < buffList.Length; i++)
{
Assert.IsTrue(CollectionUtils.Equals(buffList[i].Array, buffList[i].Offset, buffList3[i].Array, buffList3[i].Offset, blockLength), "ReedSolomon");
}
}
{
ReedSolomon8 reedSolomon8 = new ReedSolomon8(128, 256, 4, _bufferManager);
var buffList = new ArraySegment<byte>[128];
for (int i = 0; i < 128; i++)
{
var buffer = new byte[1024 * 32];
_random.NextBytes(buffer);
buffList[i] = new ArraySegment<byte>(buffer, 0, buffer.Length);
}
var buffList2 = new ArraySegment<byte>[128];
for (int i = 0; i < 128; i++)
{
var buffer = new byte[1024 * 32];
buffList2[i] = new ArraySegment<byte>(buffer, 0, buffer.Length);
}
var intList = new int[128];
for (int i = 0; i < 128; i++)
{
intList[i] = i + 128;
}
{
Stopwatch sw = new Stopwatch();
sw.Start();
var task1 = Task.Run(() =>
{
reedSolomon8.Encode(buffList, buffList2, intList, 1024 * 32);
});
Thread.Sleep(1000 * 1);
var task2 = Task.Run(() =>
{
reedSolomon8.Cancel();
});
Task.WaitAll(task1, task2);
sw.Stop();
Assert.IsTrue(sw.Elapsed.TotalSeconds < 3);
}
}
{
ReedSolomon8 pc = new ReedSolomon8(128, 256, 4, _bufferManager);
var buffList = new ArraySegment<byte>[128];
for (int i = 0; i < 128; i++)
{
var buffer = new byte[1024 * 32];
_random.NextBytes(buffer);
buffList[i] = new ArraySegment<byte>(buffer, 0, buffer.Length);
}
var buffList2 = new ArraySegment<byte>[128];
for (int i = 0; i < 128; i++)
{
var buffer = new byte[1024 * 32];
buffList2[i] = new ArraySegment<byte>(buffer, 0, buffer.Length);
}
var intList = new int[128];
for (int i = 0; i < 128; i++)
{
intList[i] = i + 128;
}
pc.Encode(buffList, buffList2, intList, 1024 * 32);
{
Stopwatch sw = new Stopwatch();
sw.Start();
var task1 = Task.Run(() =>
{
pc.Decode(buffList2.ToArray(), intList, 1024 * 32);
});
Thread.Sleep(1000 * 1);
var task2 = Task.Run(() =>
{
pc.Cancel();
});
Task.WaitAll(task1, task2);
sw.Stop();
Assert.IsTrue(sw.Elapsed.TotalSeconds < 3);
}
}
}