public void Start()
{
_sharedBuffer = new RingBufferStream();
_writer = new InternalBigEndianWriter((b, off, c) =>
{
_sharedBuffer.Insert(b, off, c);
});
_reader = new InternalBigEndianReader(_sharedBuffer);
}
public void Start()
{
_sharedBuffer = new RingBufferStream();
_writer = new InternalBigEndianWriter((b,off,c) =>
{
_sharedBuffer.Insert(b, off, c);
});
_reader = new InternalBigEndianReader(_sharedBuffer);
}
public async Task Insert_1_byte_by_1()
{
Console.WriteLine("Insert_1_byte_by_1");
var cancelationTokenSource = new CancellationTokenSource();
var rbuffer = new RingBufferStream(cancelationTokenSource.Token);
int expectedLast = 0;
for (int i = 0; i < 1024 * 100; i++)
{
await rbuffer.Insert(new[] { (byte)(i % 256) }, 0, 1);
if (i % 99 == 0)
{
var temp = new byte[101];
var read = rbuffer.Read(temp, 0, temp.Length);
Console.WriteLine("[Dump] read: " + read + " [" + temp.Aggregate("", (s, b) => s + b + ", ") + "]");
if (i == 0)
{
read.Should().Be(1);
temp[read - 1].Should().Be((byte)expectedLast);
}
else
{
read.Should().Be(99);
temp[read - 1].Should().Be((byte)expectedLast);
}
expectedLast += 99;
expectedLast %= 256;
}
}
{
var temp = new byte[101];
var read = rbuffer.Read(temp, 0, temp.Length);
Console.WriteLine("[Final] read: " + read + " [" + temp.Aggregate("", (s, b) => s + b + ", ") + "]");
}
}
public async Task Fast_producer_slow_consumer()
{
Console.WriteLine("Fast_producer_slow_consumer");
var cancelationTokenSource = new CancellationTokenSource();
var rbuffer = new RingBufferStream(cancelationTokenSource.Token);
bool done = false;
const int mod = 37;
var producerTask = Task.Run(async() =>
{
for (int i = 0; i < 1024 * 1000; i += 10)
{
var buffer = new []
{
(byte)(i % mod),
(byte)((i + 1) % mod),
(byte)((i + 2) % mod),
(byte)((i + 3) % mod),
(byte)((i + 4) % mod),
(byte)((i + 5) % mod),
(byte)((i + 6) % mod),
(byte)((i + 7) % mod),
(byte)((i + 8) % mod),
(byte)((i + 9) % mod),
};
await rbuffer.Insert(buffer, 0, buffer.Length);
}
done = true;
});
var consumed = new List <byte>(capacity: 1024 * 1000);
var consumerTask = Task.Run(async() =>
{
int totalRead = 0;
while (true)
{
await Task.Delay(_rnd.Next(10));
// Console.WriteLine("will read...");
var temp = new byte[199];
var read = rbuffer.Read(temp, 0, temp.Length);
totalRead += read;
if (read == 0)
{
continue;
}
for (int i = 0; i < read; i++)
{
consumed.Add(temp[i]);
}
// Console.WriteLine("[Dump] read: " + read + " total " + totalRead);// + " [" + temp.Aggregate("", (s, b) => s + b + ", ") + "]");
if (done && rbuffer.Position == rbuffer.Length)
{
break;
}
}
Console.WriteLine("Done");
});
Task.WaitAll(producerTask, consumerTask);
Console.WriteLine("Checking consistency...");
for (int i = 0; i < consumed.Count; i++)
{
var isValid = consumed[i] == i % mod;
isValid.Should().BeTrue();
}
Console.WriteLine("Completed");
}
public async Task GC_min_allocation_test()
{
Console.WriteLine("GC_min_allocation_test Starting...");
// await Task.Delay(3000);
Console.WriteLine("Started");
var cancelationTokenSource = new CancellationTokenSource();
var rbuffer = new RingBufferStream(cancelationTokenSource.Token);
bool done = false;
const int mod = 37;
var producerBuffer = new byte[10];
var watch = Stopwatch.StartNew();
// long iterations = 1000000000000000000;
long iterations = 100000000;
var producerTask = Task.Run(async() =>
{
for (var i = 0L; i < iterations; i += 10L)
{
producerBuffer[0] = (byte)(i % mod);
producerBuffer[1] = (byte)((i + 1) % mod);
producerBuffer[2] = (byte)((i + 2) % mod);
producerBuffer[3] = (byte)((i + 3) % mod);
producerBuffer[4] = (byte)((i + 4) % mod);
producerBuffer[5] = (byte)((i + 5) % mod);
producerBuffer[6] = (byte)((i + 6) % mod);
producerBuffer[7] = (byte)((i + 7) % mod);
producerBuffer[8] = (byte)((i + 8) % mod);
producerBuffer[9] = (byte)((i + 9) % mod);
await rbuffer.Insert(producerBuffer, 0, producerBuffer.Length);
}
done = true;
});
var temp = new byte[199];
var consumerTask = Task.Run(async() =>
{
int totalRead = 0;
while (true)
{
// await Task.Delay(_rnd.Next(10));
// Console.WriteLine("will read...");
var read = rbuffer.Read(temp, 0, temp.Length);
totalRead += read;
if (read == 0)
{
continue;
}
// Console.WriteLine("[Dump] read: " + read + " total " + totalRead);// + " [" + temp.Aggregate("", (s, b) => s + b + ", ") + "]");
if (done && rbuffer.Position == rbuffer.Length)
{
break;
}
}
Console.WriteLine("Done");
});
Task.WaitAll(producerTask, consumerTask);
watch.Stop();
// Console.WriteLine("Checking consistency...");
Console.WriteLine("Completed in " + watch.Elapsed.TotalMilliseconds + "ms");
}
public async Task Fast_producer_slow_consumer()
{
Console.WriteLine("Fast_producer_slow_consumer");
var cancelationTokenSource = new CancellationTokenSource();
var rbuffer = new RingBufferStream(cancelationTokenSource.Token);
bool done = false;
const int mod = 37;
var producerTask = Task.Run(async () =>
{
for (int i = 0; i < 1024*1000; i += 10)
{
var buffer = new []
{
(byte) (i%mod),
(byte) ((i + 1) %mod),
(byte) ((i + 2) %mod),
(byte) ((i + 3) %mod),
(byte) ((i + 4) %mod),
(byte) ((i + 5) %mod),
(byte) ((i + 6) %mod),
(byte) ((i + 7) %mod),
(byte) ((i + 8) %mod),
(byte) ((i + 9) %mod),
};
await rbuffer.Insert(buffer, 0, buffer.Length);
}
done = true;
});
var consumed = new List<byte>(capacity: 1024 * 1000);
var consumerTask = Task.Run(async () =>
{
int totalRead = 0;
while (true)
{
await Task.Delay(_rnd.Next(10));
// Console.WriteLine("will read...");
var temp = new byte[199];
var read = rbuffer.Read(temp, 0, temp.Length);
totalRead += read;
if (read == 0) continue;
for (int i = 0; i < read; i++)
{
consumed.Add(temp[i]);
}
// Console.WriteLine("[Dump] read: " + read + " total " + totalRead);// + " [" + temp.Aggregate("", (s, b) => s + b + ", ") + "]");
if (done && rbuffer.Position == rbuffer.Length)
{
break;
}
}
Console.WriteLine("Done");
});
Task.WaitAll(producerTask, consumerTask);
Console.WriteLine("Checking consistency...");
for (int i = 0; i < consumed.Count; i++)
{
var isValid = consumed[i] == i % mod;
isValid.Should().BeTrue();
}
Console.WriteLine("Completed");
}
public async Task GC_min_allocation_test()
{
Console.WriteLine("GC_min_allocation_test Starting...");
// await Task.Delay(3000);
Console.WriteLine("Started");
var cancelationTokenSource = new CancellationTokenSource();
var rbuffer = new RingBufferStream(cancelationTokenSource.Token);
bool done = false;
const int mod = 37;
var producerBuffer = new byte[10];
var watch = Stopwatch.StartNew();
// long iterations = 1000000000000000000;
long iterations = 100000000;
var producerTask = Task.Run(async () =>
{
for (var i = 0L; i < iterations; i += 10L)
{
producerBuffer[0] = (byte) (i % mod);
producerBuffer[1] = (byte) ((i + 1) % mod);
producerBuffer[2] = (byte) ((i + 2) % mod);
producerBuffer[3] = (byte) ((i + 3) % mod);
producerBuffer[4] = (byte) ((i + 4) % mod);
producerBuffer[5] = (byte) ((i + 5) % mod);
producerBuffer[6] = (byte) ((i + 6) % mod);
producerBuffer[7] = (byte) ((i + 7) % mod);
producerBuffer[8] = (byte) ((i + 8) % mod);
producerBuffer[9] = (byte) ((i + 9) % mod);
await rbuffer.Insert(producerBuffer, 0, producerBuffer.Length);
}
done = true;
});
var temp = new byte[199];
var consumerTask = Task.Run(async () =>
{
int totalRead = 0;
while (true)
{
// await Task.Delay(_rnd.Next(10));
// Console.WriteLine("will read...");
var read = rbuffer.Read(temp, 0, temp.Length);
totalRead += read;
if (read == 0) continue;
// Console.WriteLine("[Dump] read: " + read + " total " + totalRead);// + " [" + temp.Aggregate("", (s, b) => s + b + ", ") + "]");
if (done && rbuffer.Position == rbuffer.Length)
{
break;
}
}
Console.WriteLine("Done");
});
Task.WaitAll(producerTask, consumerTask);
watch.Stop();
// Console.WriteLine("Checking consistency...");
Console.WriteLine("Completed in " + watch.Elapsed.TotalMilliseconds + "ms");
}
public async Task Variable_size_writes_slow_consumer()
{
Console.WriteLine("Variable_size_writes_slow_consumer");
var cancelationTokenSource = new CancellationTokenSource();
var rbuffer = new RingBufferStream(cancelationTokenSource.Token);
bool done = false;
const int mod = 37;
const int sizeOfSet = 1024*100;
var producerTask = Task.Run(async () =>
{
int stepAndBufferSize = 0;
for (int i = 0; i < sizeOfSet; i += stepAndBufferSize)
{
var buffer = new[]
{
(byte) (i%mod),
(byte) ((i + 1) %mod),
(byte) ((i + 2) %mod),
(byte) ((i + 3) %mod),
(byte) ((i + 4) %mod),
(byte) ((i + 5) %mod),
(byte) ((i + 6) %mod),
(byte) ((i + 7) %mod),
(byte) ((i + 8) %mod),
(byte) ((i + 9) %mod),
(byte) ((i + 10) %mod),
(byte) ((i + 11) %mod),
(byte) ((i + 12) %mod),
(byte) ((i + 13) %mod),
(byte) ((i + 14) %mod),
(byte) ((i + 15) %mod),
(byte) ((i + 16) %mod),
(byte) ((i + 17) %mod),
(byte) ((i + 18) %mod),
(byte) ((i + 19) %mod),
(byte) ((i + 20) %mod),
(byte) ((i + 21) %mod),
(byte) ((i + 22) %mod),
(byte) ((i + 23) %mod),
(byte) ((i + 24) %mod),
(byte) ((i + 25) %mod),
(byte) ((i + 26) %mod),
(byte) ((i + 27) %mod),
(byte) ((i + 28) %mod),
(byte) ((i + 29) %mod),
};
stepAndBufferSize = _rnd.Next(buffer.Length);
await rbuffer.Insert(buffer, 0, stepAndBufferSize);
}
done = true;
});
var consumed = new List<byte>(capacity: sizeOfSet);
var consumerTask = Task.Run(async () =>
{
int totalRead = 0;
while (true)
{
await Task.Delay(_rnd.Next(10));
// Console.WriteLine("will read...");
var temp = new byte[400];
var readSize = _rnd.Next(temp.Length - 1) + 1;
var read = rbuffer.Read(temp, 0, readSize);
totalRead += read;
if (read == 0) continue;
for (int i = 0; i < read; i++)
{
consumed.Add(temp[i]);
}
// Console.WriteLine("[Dump] read: " + read + " total " + totalRead);// + " [" + temp.Aggregate("", (s, b) => s + b + ", ") + "]");
if (done && rbuffer.Position == rbuffer.Length)
{
break;
}
}
Console.WriteLine("Done");
});
Task.WaitAll(producerTask, consumerTask);
Console.WriteLine("Checking consistency...");
for (int i = 0; i < consumed.Count; i++)
{
var isValid = consumed[i] == i % mod;
isValid.Should().BeTrue();
}
Console.WriteLine("Completed");
}
public async Task Insert_1_byte_by_1()
{
Console.WriteLine("Insert_1_byte_by_1");
var cancelationTokenSource = new CancellationTokenSource();
var rbuffer = new RingBufferStream(cancelationTokenSource.Token);
int expectedLast = 0;
for (int i = 0; i < 1024 * 100; i++)
{
await rbuffer.Insert(new[] { (byte)(i % 256) }, 0, 1);
if (i % 99 == 0)
{
var temp = new byte[101];
var read = rbuffer.Read(temp, 0, temp.Length);
Console.WriteLine("[Dump] read: " + read + " [" + temp.Aggregate("", (s, b) => s + b + ", ") + "]");
if (i == 0)
{
read.Should().Be(1);
temp[read - 1].Should().Be((byte)expectedLast);
}
else
{
read.Should().Be(99);
temp[read - 1].Should().Be((byte)expectedLast);
}
expectedLast += 99;
expectedLast %= 256;
}
}
{
var temp = new byte[101];
var read = rbuffer.Read(temp, 0, temp.Length);
Console.WriteLine("[Final] read: " + read + " [" + temp.Aggregate("", (s, b) => s + b + ", ") + "]");
}
}
