/// <summary>
/// Invoke the <seealso cref="IAgent.DoWork()"/> method and return the work count.
///
/// If an error occurs then the <seealso cref="AtomicCounter.Increment"/> will be called on the errorCounter if not null
/// and the <seealso cref="Exception"/> will be passed to the <seealso cref="ErrorHandler"/> method. If the error
/// is an <seealso cref="AgentTerminationException"/> then <seealso cref="Dispose"/> will be called after the error handler.
///
/// If not successfully started or after closed then this method will return without invoking the <seealso cref="Agent"/>.
///
/// </summary>
/// <returns> the work count for the <seealso cref="IAgent.DoWork"/> method. </returns>
public int Invoke()
{
int workCount = 0;
if (IsRunning)
{
try
{
workCount = _agent.DoWork();
}
catch (ThreadInterruptedException)
{
Dispose();
Thread.CurrentThread.Interrupt();
}
catch (AgentTerminationException ex)
{
HandleError(ex);
Dispose();
}
catch (Exception exception)
{
if (null != _errorCounter)
{
_errorCounter.Increment();
}
_errorHandler(exception);
}
}
return(workCount);
}
protected override void Decode(IChannelHandlerContext context, IByteBuffer input, List <object> output)
{
string msg = string.Empty;
byte[] buffer = null;
try
{
buffer = new byte[input.Capacity + 2];
input.ReadBytes(buffer, 1, input.Capacity);
buffer[0] = JT809Package.BEGINFLAG;
buffer[input.Capacity + 1] = JT809Package.ENDFLAG;
output.Add(JT809Serializer.Deserialize(buffer));
MsgSuccessCounter.Increment();
if (logger.IsEnabled(LogLevel.Debug))
{
msg = ByteBufferUtil.HexDump(buffer);
logger.LogDebug("accept package <<<" + msg);
logger.LogDebug("accept package success count<<<" + MsgSuccessCounter.Count.ToString());
}
}
catch (JT809Exception ex)
{
MsgFailCounter.Increment();
logger.LogError("accept package fail count<<<" + MsgFailCounter.Count.ToString());
logger.LogError(ex, $"{ex.ErrorCode.ToString()}accept msg<<<{msg}");
return;
}
catch (Exception ex)
{
MsgFailCounter.Increment();
logger.LogError("accept package fail count<<<" + MsgFailCounter.Count.ToString());
logger.LogError(ex, "accept msg<<<" + msg);
return;
}
}
/// <summary>
/// Process a colKeys of specified items in a most optimal way according to
/// the bundle settings.
/// </summary>
/// <param name="colKeys">
/// The collection of keys to process.
/// </param>
/// <returns>
/// An execution result according to the caller's contract.
/// </returns>
public IDictionary ProcessAll(ICollection colKeys)
{
AtomicCounter counter = m_countThreads;
int cThreads = (int)counter.Increment();
try
{
if (cThreads < ThreadThreshold)
{
return(Bundling(colKeys));
}
Bundle bundle;
bool isBurst;
while (true)
{
bundle = (Bundle)getOpenBundle();
lock (bundle)
{
if (bundle.IsOpen())
{
bool isFirst = bundle.AddAll(colKeys);
isBurst = bundle.WaitForResults(isFirst);
break;
}
}
}
return(bundle.ProcessAll(isBurst, colKeys));
}
finally
{
counter.Decrement();
}
}
/// <summary>
/// Process the specified key in a most optimal way according to the
/// bundle settings.
/// </summary>
/// <param name="key">
/// The key to process.
/// </param>
/// <returns>
/// An execution result according to the caller's contract.
/// </returns>
public Object Process(Object key)
{
AtomicCounter counter = m_countThreads;
int cThreads = (int)counter.Increment();
try
{
if (cThreads < ThreadThreshold)
{
return(Unbundling(key));
}
Bundle bundle;
bool isBurst;
while (true)
{
bundle = (Bundle)getOpenBundle();
lock (bundle)
{
if (bundle.IsOpen())
{
bool isFirst = bundle.Add(key);
isBurst = bundle.WaitForResults(isFirst);
break;
}
}
}
return(bundle.Process(isBurst, key));
}
finally
{
counter.Decrement();
}
}
public int Invoke()
{
int workCount = 0;
if (!_closed)
{
try
{
workCount = _agent.DoWork();
}
catch (ThreadInterruptedException)
{
}
catch (Exception exception)
{
if (null != _errorCounter)
{
_errorCounter.Increment();
}
_errorHandler(exception);
}
}
return(workCount);
}
public void AtomicCounter_ParallelCounter()
{
var k = 0;
Parallel.For(0, 100, (i, loop) =>
{
Interlocked.Increment(ref k);
var counter = new AtomicCounter();
Assert.AreEqual(0, counter.Value);
void Inc()
{
counter.Increment();
}
void Dec()
{
counter.Decrement();
}
Parallel.Invoke(Inc, Inc, Dec, Dec, Dec, Inc, Dec, Inc, Dec, Inc, Inc, Inc, Dec, Dec, Inc);
Assert.AreEqual(1, counter.Value);
});
Assert.AreEqual(100, k);
}
public void AtomicCounter__ParallelIncrement()
{
var k = 0;
var global = new AtomicCounter();
Parallel.For(0, 100, (i, loop) =>
{
Interlocked.Increment(ref k);
var counter = new AtomicCounter();
Assert.AreEqual(0, counter.Value);
void Callback()
{
counter.Increment();
global.Increment();
}
Parallel.Invoke(Callback, Callback, Callback, Callback, Callback, Callback, Callback, Callback, Callback, Callback, Callback, Callback, Callback);
Assert.AreEqual(13, counter.Value);
});
Assert.AreEqual(100, k);
Assert.AreEqual(1300, global.Value);
}
/// <summary>
/// Invalidates draw matrix and autosize caches.
/// </summary>
/// <returns>If the invalidate was actually necessary.</returns>
public virtual bool Invalidate(Invalidation invalidation = Invalidation.All, Drawable source = null, bool shallPropagate = true)
{
if (invalidation == Invalidation.None)
{
return(false);
}
OnInvalidate?.Invoke();
if (shallPropagate && Parent != null && source != Parent)
{
Parent.InvalidateFromChild(invalidation, this);
}
bool alreadyInvalidated = true;
// Either ScreenSize OR ScreenPosition OR Colour
if ((invalidation & (Invalidation.Geometry | Invalidation.Colour)) > 0)
{
if ((invalidation & Invalidation.SizeInParentSpace) > 0)
{
alreadyInvalidated &= !boundingSizeBacking.Invalidate();
}
alreadyInvalidated &= !screenSpaceDrawQuadBacking.Invalidate();
alreadyInvalidated &= !drawInfoBacking.Invalidate();
}
if (!alreadyInvalidated || (invalidation & Invalidation.DrawNode) > 0)
{
invalidationID = invalidationCounter.Increment();
}
return(!alreadyInvalidated);
}
protected override void Decode(IChannelHandlerContext context, IByteBuffer input, List <object> output)
{
string msg = string.Empty;
byte[] buffer = null;
try
{
buffer = new byte[input.Capacity + 2];
input.ReadBytes(buffer, 1, input.Capacity);
buffer[0] = JT808.Protocol.JT808Package.BeginFlag;
buffer[input.Capacity + 1] = JT808.Protocol.JT808Package.EndFlag;
output.Add(new JT808RequestInfo(buffer));
MsgSuccessCounter.Increment();
if (logger.IsEnabled(LogLevel.Debug))
{
logger.LogDebug("accept package success count<<<" + MsgSuccessCounter.Count.ToString());
}
}
catch (Exception ex)
{
MsgFailCounter.Increment();
logger.LogError("accept package fail count<<<" + MsgFailCounter.Count.ToString());
logger.LogError(ex, "accept msg<<<" + msg);
return;
}
}
public ClientStats GetStats(bool reset)
{
var histogramData = new HistogramData();
foreach (var hist in threadLocalHistogram.Values)
{
hist.GetSnapshot(histogramData, reset);
}
var secondsElapsed = wallClockStopwatch.GetElapsedSnapshot(reset).TotalSeconds;
if (reset)
{
statsResetCount.Increment();
}
GrpcEnvironment.Logger.Info("[ClientRunnerImpl.GetStats] GC collection counts: gen0 {0}, gen1 {1}, gen2 {2}, (histogram reset count:{3}, seconds since reset: {4})",
GC.CollectionCount(0), GC.CollectionCount(1), GC.CollectionCount(2), statsResetCount.Count, secondsElapsed);
// TODO: populate user time and system time
return(new ClientStats
{
Latencies = histogramData,
TimeElapsed = secondsElapsed,
TimeUser = 0,
TimeSystem = 0
});
}
public ClientStats GetStats(bool reset)
{
var histogramData = new HistogramData();
foreach (var hist in threadLocalHistogram.Values)
{
hist.GetSnapshot(histogramData, reset);
}
var timeSnapshot = timeStats.GetSnapshot(reset);
if (reset)
{
statsResetCount.Increment();
}
GrpcEnvironment.Logger.Info("[ClientRunnerImpl.GetStats] GC collection counts: gen0 {0}, gen1 {1}, gen2 {2}, (histogram reset count:{3}, seconds since reset: {4})",
GC.CollectionCount(0), GC.CollectionCount(1), GC.CollectionCount(2), statsResetCount.Count, timeSnapshot.WallClockTime.TotalSeconds);
return(new ClientStats
{
Latencies = histogramData,
TimeElapsed = timeSnapshot.WallClockTime.TotalSeconds,
TimeUser = timeSnapshot.UserProcessorTime.TotalSeconds,
TimeSystem = timeSnapshot.PrivilegedProcessorTime.TotalSeconds
});
}
public async Task ParallelAsyncTest()
{
var counter = new AtomicCounter();
await Enumerable.Range(1, 50).Select(i => Task.Run(() => counter.Increment())).WhenAll();
Assert.Equal(50, counter.Value);
}
/// <summary>
/// Run an <seealso cref="IAgent"/>.
/// <para>
/// This method does not return until the run loop is stopped via <seealso cref="Dispose()"/>.
/// </para>
/// </summary>
public void Run()
{
if (!_thread.CompareAndSet(null, Thread.CurrentThread))
{
return;
}
var idleStrategy = _idleStrategy;
var agent = _agent;
while (_running)
{
try
{
idleStrategy.Idle(agent.DoWork());
}
catch (ThreadInterruptedException)
{
}
catch (Exception ex)
{
_errorCounter?.Increment();
_errorHandler(ex);
}
}
}
private void HandleError(Exception exception)
{
if (_isRunning)
{
_errorCounter?.Increment();
_errorHandler(exception);
}
}
private int RunBody()
{
for (int i = 0; i < Iterations; i++)
{
sharedCounter.Increment();
}
return((int)sharedCounter.Count);
}
internal static void FaissNativeInit()
{
if (!IsNativeShutdownAllowed && _nativeInitCounter.Count > 0)
{
return;
}
// Llmar metodo init de faiss
_nativeInitCounter.Increment();
}
internal void AddCallReference(object call)
{
activeCallCounter.Increment();
bool success = false;
handle.DangerousAddRef(ref success);
GrpcPreconditions.CheckState(success);
}
public void ParallelTest()
{
var counter = new AtomicCounter();
Parallel.For(0, 50, i =>
{
counter.Increment();
});
Assert.Equal(50, counter.Value);
}
public void Increment_ThreadSafety()
{
const int Iterations = 100_000;
var counter = new AtomicCounter();
Parallel.For(0, Iterations, i =>
{
counter.Increment();
});
Assert.Equal(Iterations, counter.Value);
}
public void Increment_ThreadSafety()
{
// Arrange
const int Iterations = 100_000;
var counter = new AtomicCounter();
// Act
Parallel.For(0, Iterations, i =>
{
counter.Increment();
});
// Assert
counter.Value.Should().Be(Iterations);
}
public async Task ServiceConfigRetryPolicy_AsyncUnaryCall()
{
var counter = new AtomicCounter();
helper.UnaryHandler = new UnaryServerMethod <string, string>((request, context) =>
{
var attempt = counter.Increment();
if (attempt <= 2)
{
throw new RpcException(new Status(StatusCode.Unavailable, $"Attempt {attempt} failed on purpose"));
}
return(Task.FromResult("PASS"));
});
Assert.AreEqual("PASS", await Calls.AsyncUnaryCall(helper.CreateUnaryCall(), "abc"));
}
public void Increment(string key)
{
_counters.AddOrUpdate(key,
_ =>
{
AtomicCounter newInstance = new AtomicCounter();
newInstance.Increment();
return(newInstance);
},
(_, counter) =>
{
counter.Increment();
return(counter);
});
}
public async Task ServiceConfigRetryPolicy_ServerStreaming()
{
var counter = new AtomicCounter();
helper.ServerStreamingHandler = new ServerStreamingServerMethod <string, string>(async(request, responseStream, context) =>
{
var attempt = counter.Increment();
if (attempt <= 2)
{
throw new RpcException(new Status(StatusCode.Unavailable, $"Attempt {attempt} failed on purpose"));
}
await responseStream.WriteAllAsync(request.Split(new [] { ' ' }));
});
var call = Calls.AsyncServerStreamingCall(helper.CreateServerStreamingCall(), "A B C");
CollectionAssert.AreEqual(new string[] { "A", "B", "C" }, await call.ResponseStream.ToListAsync());
Assert.AreEqual(StatusCode.OK, call.GetStatus().StatusCode);
}
private static DestinationHealth EvaluateHealthState(double threshold, HttpResponseMessage?response, AtomicCounter count)
{
DestinationHealth newHealth;
if (response != null && response.IsSuccessStatusCode)
{
// Success
count.Reset();
newHealth = DestinationHealth.Healthy;
}
else
{
// Failure
var currentFailureCount = count.Increment();
newHealth = currentFailureCount < threshold ? DestinationHealth.Healthy : DestinationHealth.Unhealthy;
}
return(newHealth);
}
public void CouldDispose()
{
var counter = 0;
Assert.IsFalse(AtomicCounter.GetIsDisposed(ref counter));
Assert.AreEqual(1, AtomicCounter.Increment(ref counter));
Assert.AreEqual(2, AtomicCounter.Increment(ref counter));
Assert.Throws <InvalidOperationException>(() => { AtomicCounter.Dispose(ref counter); });
Assert.AreEqual(1, AtomicCounter.Decrement(ref counter));
Assert.AreEqual(0, AtomicCounter.DecrementIfOne(ref counter));
Assert.IsFalse(AtomicCounter.GetIsDisposed(ref counter));
AtomicCounter.Dispose(ref counter);
Assert.IsTrue(AtomicCounter.GetIsDisposed(ref counter));
}
public ClientStats GetStats(bool reset)
{
var histogramData = histogram.GetSnapshot(reset);
var secondsElapsed = wallClockStopwatch.GetElapsedSnapshot(reset).TotalSeconds;
if (reset)
{
statsResetCount.Increment();
}
// TODO: populate user time and system time
return(new ClientStats
{
Latencies = histogramData,
TimeElapsed = secondsElapsed,
TimeUser = 0,
TimeSystem = 0
});
}
/// <summary>
/// Process the specified entry in a most optimal way according
/// to the bundle settings.
/// </summary>
/// <param name="key">
/// The entry key.
/// </param>
/// <param name="value">
/// The entry value.
/// </param>
public void Process(Object key, Object value)
{
AtomicCounter counter = m_countThreads;
int cThreads = (int)counter.Increment();
try
{
if (cThreads < ThreadThreshold)
{
IDictionary dictionary = new Hashtable();
dictionary.Add(key, value);
Bundling(dictionary);
return;
}
Bundle bundle;
bool isBurst;
while (true)
{
bundle = (Bundle)getOpenBundle();
lock (bundle)
{
if (bundle.IsOpen())
{
bool isFirst = bundle.Add(key, value);
isBurst = bundle.WaitForResults(isFirst);
break;
}
}
}
bundle.Process(isBurst, key, value);
}
finally
{
counter.Decrement();
}
}
internal void Init()
{
// we cannot acquire _poolUsersCounter via TryAcquireCounter because that method uses _poolUsersCounter
var poolCounterPtr = (int *)_pinnedSpan.Data + 1;
*poolCounterPtr = 0;
_poolUsersCounter = new AtomicCounter(poolCounterPtr);
var _ = _poolUsersCounter.Increment();
var len = _pinnedSpan.Length;
for (int i = 2; i < len - 1; i++)
{
// ReSharper disable once PossibleStructMemberModificationOfNonVariableStruct
_pinnedSpan[i] = ~(i + 1);
}
// ReSharper disable once PossibleStructMemberModificationOfNonVariableStruct
_pinnedSpan[0] = ~2;
// ReSharper disable once PossibleStructMemberModificationOfNonVariableStruct
_pinnedSpan[len - 1] = ~0;
}
public void CouldTryDispose()
{
var counter = 0;
Assert.IsFalse(AtomicCounter.GetIsDisposed(ref counter));
Assert.AreEqual(1, AtomicCounter.Increment(ref counter));
Assert.AreEqual(2, AtomicCounter.Increment(ref counter));
Assert.AreEqual(2, AtomicCounter.TryDispose(ref counter));
Assert.AreEqual(1, AtomicCounter.Decrement(ref counter));
Assert.AreEqual(0, AtomicCounter.DecrementIfOne(ref counter));
Assert.IsFalse(AtomicCounter.GetIsDisposed(ref counter));
Assert.AreEqual(0, AtomicCounter.TryDispose(ref counter));
Assert.IsTrue(AtomicCounter.GetIsDisposed(ref counter));
Assert.AreEqual(-1, AtomicCounter.TryDispose(ref counter));
counter = AtomicCounter.Disposed - 1;
Assert.Throws <InvalidOperationException>(() => { AtomicCounter.TryDispose(ref counter); });
counter = AtomicCounter.Disposed | (123 << 24);
Assert.AreEqual(-1, AtomicCounter.TryDispose(ref counter));
Assert.AreEqual(AtomicCounter.Disposed | (123 << 24), counter);
counter = (123 << 24);
Assert.AreEqual(0, AtomicCounter.TryDispose(ref counter));
Assert.AreEqual((123 << 24), counter & ~AtomicCounter.Disposed);
}
public async Task NoUnobservedTaskExceptionForAbandonedStreamingResponse()
{
// Verify that https://github.com/grpc/grpc/issues/17458 has been fixed.
// Create a streaming response call, then cancel it without reading all the responses
// and check that no unobserved task exceptions have been thrown.
var unobservedTaskExceptionCounter = new AtomicCounter();
TaskScheduler.UnobservedTaskException += (sender, e) => {
unobservedTaskExceptionCounter.Increment();
Console.WriteLine("Detected unobserved task exception: " + e.Exception);
};
var bodySizes = new List <int> {
10, 10, 10, 10, 10
};
var request = new StreamingOutputCallRequest {
ResponseParameters = { bodySizes.Select((size) => new ResponseParameters {
Size = size
}) }
};
for (int i = 0; i < 50; i++)
{
Console.WriteLine($"Starting iteration {i}");
using (var call = client.StreamingOutputCall(request))
{
// Intentionally only read the first response (we know there's more)
// The call will be cancelled as soon as we leave the "using" statement.
var firstResponse = await call.ResponseStream.MoveNext();
}
// Make it more likely to trigger the "Unobserved task exception" warning
GC.Collect();
}
Assert.AreEqual(0, unobservedTaskExceptionCounter.Count);
}
