public TaskPoolRunner Next()
{
if (this.options.MaxWaitingRequests > System.Threading.Interlocked.Increment(ref this.activeWaiters))
{
if (!this.tokenSource.IsCancellationRequested)
{
System.Threading.SpinWait waiter = new System.Threading.SpinWait();
while (this.options.MaxActiveWorkers < System.Threading.Interlocked.Increment(ref this.activeWorkers))
{
System.Threading.Interlocked.Decrement(ref this.activeWorkers); //nope, not yet
if (this.tokenSource.IsCancellationRequested)
{
System.Threading.Interlocked.Decrement(ref this.activeWaiters); //we're leaving, so be nice and stop waiting
return(null);
}
waiter.SpinOnce();
}
//Note that the while loop incremented the activeWorkers for us, how nice
System.Threading.Interlocked.Decrement(ref this.activeWaiters); //we're now a worker
return(this.runner); //done -- we still have to decrement active workers in the runner when finished
}
//System.Threading.Interlocked.Decrement(ref this.activeWaiters); //we're leaving, so be nice and stop waiting
}
System.Threading.Interlocked.Decrement(ref this.activeWaiters);
return(null); //can't wait because we have too many already waiting
}
private static void TestSingle()
{
Console.WriteLine("Testing single");
ServerTaskPoolOptions opts = new ServerTaskPoolOptions();
ServerTaskPool <string> pool = new SingleServerTaskPool <string>(new TestServer(), opts);
Console.WriteLine("Starting");
pool.Start();
Console.WriteLine("Started");
System.Threading.SpinWait w = new System.Threading.SpinWait();
for (int i = 0; i < 10000; i++)
{
w.SpinOnce();
}
Console.WriteLine("Stopping");
pool.Stop();
Console.WriteLine("Stopped");
Console.WriteLine("Single Loop Test");
Console.WriteLine("Total Listened " + listens);
Console.WriteLine("Total Handled " + handles);
Console.WriteLine("Testing single End");
}
public void Reset()
{
lock (this.runner)
{
this.activeWaiters = int.MaxValue; //guaranteed to make requests drop on the floor
if (this.activeWorkers > 0)
{
if (!this.tokenSource.IsCancellationRequested)
{
try
{
this.tokenSource.Cancel();
}
catch
{ }
}
System.Threading.SpinWait waiter = new System.Threading.SpinWait();
while (this.activeWorkers > 0)
{
waiter.SpinOnce(); //this is the possible gotcha - we have to be sure all tasks play nicely
}
}
this.activeWaiters = 0;
this.tokenSource = new CancellationTokenSource(true, true);
this.tokenSource.RegisterCallback(this.runner.Cancel);
this.runner.NativeToken = new System.Threading.CancellationTokenSource();
this.runner.Token = this.tokenSource.Token();
}
}
private static void Main(string[] args)
{
var sw = new SpinWait();
Program._Enable = true;
var updater = new Updater();
var launcher = new Launcher();
var server = new Server();
var serverAppliction = new Regulus.Remoting.Soul.Native.Server(server, 12345);
var client = new Proxy();
Program.client_UserEvent(client.SpawnUser("user"));
launcher.Push(serverAppliction);
updater.Add(client);
launcher.Launch();
while(Program._Enable)
{
updater.Working();
sw.SpinOnce();
}
updater.Shutdown();
launcher.Shutdown();
Console.ReadKey();
}
public void SyncInterface(Type serviceType)
{
if (!_syncInfoCache.TryGetValue(serviceType, out _syncInfo))
{
var conn = ((RpcConnection)_connectionPool.Get());
conn.OnMessageReceived += (sender, e) =>
{
_binWriter.Seek(0, SeekOrigin.Begin);
_stream.Seek(0, SeekOrigin.Begin);
_syncInfo = e.MessageData.ToDeserializedObject <ServiceSyncInfo>();
_syncInfoCache.AddOrUpdate(serviceType, _syncInfo, (t, info) => _syncInfo);
((IDisposable)sender).Dispose();
System.Threading.Interlocked.Exchange(ref _synced, 1);
};
conn.Connect();
_binWriter.Write((int)MessageType.SyncInterface);
_binWriter.Write(serviceType.FullName);
conn.Send(_stream.GetBuffer(), (int)_stream.Position, false);
// todo: rpcclient继承了clientbase的异步方式，而rpc调用天然需要同步方式
// 后期考虑重构掉这种丑陋的异步模拟同步的方式
System.Threading.SpinWait spinner = new System.Threading.SpinWait();
while (_synced == 0)
{
spinner.SpinOnce();
}
}
}
public static void Dispose(IDisposable caller, ref int callerDisposeState, ref int busyCount, Action <bool> innerDispose)
{
if (caller == null)
{
throw new ArgumentNullException(nameof(caller));
}
if (innerDispose == null)
{
throw new ArgumentNullException(nameof(innerDispose));
}
if (callerDisposeState == DisposedState)
{
return; //If we are already disposed, do nothing.
}
//Wait until there is no work in progress on the object (via EnterBusy/ExitBusy)
var spinner = new System.Threading.SpinWait();
while (System.Threading.Interlocked.CompareExchange(ref busyCount, int.MinValue, 0) > 0)
{
spinner.SpinOnce();
}
// Atomically set our state to 'disposing' but only if it's not already in that state.
// If it is already in a 'disposing' state, wait for the dispose to complete before
// returning to the caller.
while (System.Threading.Interlocked.CompareExchange(ref callerDisposeState, DisposingState, UndisposedState) != UndisposedState)
{
if (callerDisposeState == DisposedState)
{
return; //If someone else completed disposing the object, do nothing.
}
spinner.SpinOnce();
}
//Need this check in case we're disposed after first check, but before while loop above,
//in which case we don't enter the loop and the check inside it doesn't get executed.
if (callerDisposeState == DisposedState)
{
return; //If someone else completed disposing the object, do nothing.
}
try
{
innerDispose(true);
}
finally
{
//Call SuppressFinalize in case a derived class adds a finaliser.
//Ensure it is done in the finally block. We're unlikely to be disposed again,
//but if we are and we encountered an error last time, we're likely to get the
//same error again. Worse, we may also get the error when disposed from the
//finalizer thread, and throwing exceptions there is a bad idea (https://ericlippert.com/2015/05/18/when-everything-you-know-is-wrong-part-one/).
//Additionally, code in a finally block will also execute if a thread abort
//occurs on the executing thread.
GC.SuppressFinalize(caller);
//Now mark the object as disposed rather than disposing,
System.Threading.Interlocked.Exchange(ref callerDisposeState, DisposedState);
}
}
private void polldelay(int _delay)
{
var spin = new System.Threading.SpinWait();
while (true)
{
spin.SpinOnce();
if (spin.Count > _delay)
{
break;
}
}
}
private static void Main(string[] args)
{
var sw = new SpinWait();
var botCount = 1;
if(args.Length > 0)
{
botCount = int.Parse(args[0]);
}
if(args.Length > 1)
{
Program.IPAddress = args[1];
}
var clientHandler = new ClientHandler(Program.IPAddress, Program.Port, botCount);
var view = new ConsoleViewer();
Singleton<Log>.Instance.Initial(view);
var input = new ConsoleInput(view);
var client = new Client(view, input);
var packetRegulator = new PacketRegulator();
client.Command.Register(
"si",
() =>
{
Console.WriteLine(
"Send Interval : {0}\nRequest Package Queue : {1}",
HitHandler.Interval,
packetRegulator.Sampling);
});
client.ModeSelectorEvent += clientHandler.Begin;
var updater = new Updater();
updater.Add(client);
updater.Add(clientHandler);
updater.Add(packetRegulator);
while(client.Enable)
{
input.Update();
updater.Working();
sw.SpinOnce();
}
client.Command.Unregister("si");
updater.Shutdown();
clientHandler.End();
Singleton<Log>.Instance.Final();
}
public static void WaitForInitializableState(IStatefulExecution state, bool allowFailed)
{
MethodContract.NotNull(state, nameof(state));
System.Threading.SpinWait waiter = new System.Threading.SpinWait();
while (true)
{
if (Initializable(state.State, allowFailed))
{
return;
}
if (allowFailed && Failed(state.State))
{
return; //try to allow a recovery here
}
waiter.SpinOnce();
}
}
public void Handle()
{
try
{
T data;
if (!this.data.TryDequeue(out data))
{
System.Threading.SpinWait waiter = new System.Threading.SpinWait();
do
{
if (!this.Token.IsCancellationRequested)
{
waiter.SpinOnce(); //backs off on the wait rather than just tight spin
}
else
{
break; //we're cancelled
}
}while (!this.data.TryDequeue(out data));
}
try
{
if (!this.Token.IsCancellationRequested)
{
this.handle(data);
}
}
catch
{ }
finally
{
System.Threading.Interlocked.Decrement(ref this.currentQueueSize); //can't forget to pull us out of the contention
}
}
catch (Exception e) //we could in theory get to an bad place where we actually dequeued but didn't decrement since we caught
{
System.Threading.Interlocked.Exchange(ref this.currentQueueSize, this.data.Count); //this might be sketchy as well if the queue size changes during the call to Count
}
}
public List <Suit> Find(PropertyValue[] filter_propertys, int out_amount)
{
object suitSetLock = new object();
List <Suit> suitSet = new List <Suit>();
var rangePartitioner = System.Collections.Concurrent.Partitioner.Create(0, _Total());
object readLock = new object();
int reads = 0;
System.Threading.SpinWait sw = new System.Threading.SpinWait();
Parallel.ForEach(rangePartitioner, (range, loopState) =>
{
Regulus.Utility.TimeCounter time = new Regulus.Utility.TimeCounter();
List <Suit> suits = new List <Suit>();
int count = 0;
//var range = new {Item1 = 0 , Item2 = _Total()};
for (long i = range.Item2 - 1; i >= range.Item1; --i, ++count)
{
int[] indexs = _GetIndexs(i);
var s = new Suit(
_GetCard(0, indexs[0]),
_GetCard(1, indexs[1]),
_GetCard(2, indexs[2]),
_GetCard(3, indexs[3]),
_GetCard(4, indexs[4]),
_GetCard(5, indexs[5]),
_GetCard(6, indexs[6]),
_GetCard(7, indexs[7]));
bool pass = (from filter in filter_propertys
where s.GetValue(filter) < filter.Value
select false).Count() == 0;
sw.SpinOnce();
if (pass)
{
suits.Add(s);
}
if (time.Second > 1)
{
lock (readLock)
{
reads += count;
count = 0;
}
_UpdateSet(ref suitSet, filter_propertys, out_amount, suitSetLock, reads, suits);
suits.Clear();
time.Reset();
sw.SpinOnce();
}
}
lock (readLock)
{
reads += count;
count = 0;
}
_UpdateSet(ref suitSet, filter_propertys, out_amount, suitSetLock, reads, suits);
});
var result = suitSet.OrderByDescending((suit) => suit.GetValue(filter_propertys[0]));
foreach (var property in filter_propertys.Skip(1))
{
result = result.ThenByDescending((suit) => suit.GetValue(property));
}
return(result.ToList());
}
public string DynamicPopulateMethod()
{
String message = "";
AnswerApp.Models.AnswerAppDataContext db = new AnswerApp.Models.AnswerAppDataContext();
AnswerApp.Models.User thisUser = db.Users.Single(d => d.UserName.Equals(User.Identity.Name));
System.Threading.SpinWait sw = new System.Threading.SpinWait();
//string knownCategoryValues;
//System.Threading.SpinWait.SpinUntil(thisUser.MetaData.EndsWith("ready"), 1000);
//while (!thisUser.MetaData.EndsWith("ready")) { sw.SpinOnce(); }
//if (!thisUser.MetaData.EndsWith("ready")) { sw.SpinOnce(); }//return null; }
//thisUser.MetaData = thisUser.MetaData.Replace("ready", "");
string knownCategoryValues = thisUser.MetaData;
db.SubmitChanges();
StringDictionary incomingKnownCatagories = CascadingDropDown.ParseKnownCategoryValuesString(knownCategoryValues);
SelectModel theUsersSelection = new SelectModel(incomingKnownCatagories["textbook"] + "_" + incomingKnownCatagories["unit"] + "_" + incomingKnownCatagories["chapter"] + "_" + incomingKnownCatagories["section"] + "_" + incomingKnownCatagories["page"] + "_" + incomingKnownCatagories["question"]);
String Textbook_Title = theUsersSelection.Textbook;
String Unit_Title = theUsersSelection.Unit;
String Chapter_Title = theUsersSelection.Chapter;
String Section_Title = theUsersSelection.Section;
String Page_Number = theUsersSelection.Page;
String Question_Number = theUsersSelection.Question;
//Populate parent groupings based on child groupings
if (!Question_Number.Equals("All") && Page_Number.Equals("All"))
{
IQueryable<AnswerApp.Models.Question> retrieved;
Question[] results;
//Find all questions from the selected section
retrieved = from theAnswers in db.Questions
where theAnswers.Textbook_Title.Equals(Textbook_Title)
&& theAnswers.Section_Title.Equals(Section_Title)
&& theAnswers.Question_Number.Equals(Question_Number)
select theAnswers;
results = retrieved.ToArray<Question>();
//If there are no questions of this number from the selected section
if (results.Length < 1)
{
//Find all questions from the selected chapter
retrieved = from theAnswers in db.Questions
where theAnswers.Textbook_Title.Equals(Textbook_Title)
&& theAnswers.Chapter_Title.Equals(Chapter_Title)
&& theAnswers.Question_Number.Equals(Question_Number)
select theAnswers;
results = retrieved.ToArray<Question>();
//If there are no questions of this number from the selected chapter
if (results.Length < 1)
{
//Find all questions from the selected unit
retrieved = from theAnswers in db.Questions
where theAnswers.Textbook_Title.Equals(Textbook_Title)
&& theAnswers.Unit_Title.Equals(Unit_Title)
&& theAnswers.Question_Number.Equals(Question_Number)
select theAnswers;
results = retrieved.ToArray<Question>();
//If there are no questions of this number from the selected unit
if (results.Length < 1)
{
//Find all questions from the selected textbook
retrieved = from theAnswers in db.Questions
where theAnswers.Textbook_Title.Equals(Textbook_Title)
&& theAnswers.Textbook_Title.Equals(Textbook_Title)
&& theAnswers.Question_Number.Equals(Question_Number)
select theAnswers;
results = retrieved.ToArray<Question>();
}
}
}
if (results.Length > 1)
{
return "<span style=\"color:red;\">There are multiple Questions with that number. Please make a more specific selection.</span>";
}
else if (results.Length == 1)
{
Page_Number = results.First().Page_Number;
Section_Title = results.First().Section_Title;
Chapter_Title = results.First().Chapter_Title;
Unit_Title = results.First().Unit_Title;
}
else if (results.Length == 0)
{
return "<span style=\"color:red;\">Error: The selected Question could not be found. Please contact the Solvation.ca developement team. " + knownCategoryValues + "</span>";
}
}
if (!Page_Number.Equals("All") && Section_Title.Equals("All"))
{
//Section_Title = db.Pages.Single<Page>(p => p.Page_Number.Equals(Page_Number)).Section_Title;
IQueryable<AnswerApp.Models.Page> retrieved = null;
retrieved = from theAnswers in db.Pages
where theAnswers.Textbook_Title.Equals(Textbook_Title)
&& theAnswers.Page_Number.Equals(Page_Number)
select theAnswers;
Section_Title = retrieved.First().Section_Title;// db.Pages.Single<Page>(s => s.Page_Title.Equals(Page_Title)).Section_Title;
}
if (!Section_Title.Equals("All") && Chapter_Title.Equals("All"))
{
IQueryable<AnswerApp.Models.Section> retrieved = null;
retrieved = from theAnswers in db.Sections
where theAnswers.Textbook_Title.Equals(Textbook_Title)
&& theAnswers.Section_Title.Equals(Section_Title)
select theAnswers;
Chapter_Title = retrieved.First().Chapter_Title;// db.Sections.Single<Section>(s => s.Section_Title.Equals(Section_Title)).Chapter_Title;
}
if (!Chapter_Title.Equals("All") && Unit_Title.Equals("All"))
{
//Unit_Title = db.Chapters.Single<Chapter>(c => c.Chapter_Title.Equals(Chapter_Title)).Unit_Title;
IQueryable<AnswerApp.Models.Chapter> retrieved = null;
retrieved = from theAnswers in db.Chapters
where theAnswers.Textbook_Title.Equals(Textbook_Title)
&& theAnswers.Chapter_Title.Equals(Chapter_Title)
select theAnswers;
Unit_Title = retrieved.First().Unit_Title;// db.Chapters.Single<Chapter>(s => s.Chapter_Title.Equals(Chapter_Title)).Unit_Title;
}
if (Textbook_Title.Equals("Select a Textbook"))
{
return "Please make a selection";
}
if (Textbook_Title.Equals(""))
{
return "Please Select a textbook";
}
theUsersSelection.Textbook = Textbook_Title;
theUsersSelection.Unit = Unit_Title;
theUsersSelection.Chapter = Chapter_Title;
theUsersSelection.Section = Section_Title;
theUsersSelection.Page = Page_Number;
theUsersSelection.Question = Question_Number;
AnswerApp.Controllers.AnswersController theAnswerController = new AnswerApp.Controllers.AnswersController();
int NumberOfSolutionsToPurchase = theAnswerController.NumberOfQuestions(theUsersSelection, db);
double TotalValue = (NumberOfSolutionsToPurchase * AnswerApp.Controllers.AnswersController.PriceOfSingleSolution);
int NumberOfSolutionsForThisUser = 0;
int NumberSelectedUserAlreadyHas = 0;
String[] UserAnswers;
if (thisUser.Answers != null)
{
UserAnswers = thisUser.Answers.Split(new char[1] { ';' });
foreach (String theAnswer in UserAnswers)
{
SelectModel currentAnswer = new SelectModel(theAnswer);
int NumberOfSolutionsInCurrentAnswer = theAnswerController.NumberOfQuestions(currentAnswer, db);
NumberOfSolutionsForThisUser += NumberOfSolutionsInCurrentAnswer;
if (theUsersSelection.Contains(currentAnswer))
{
NumberSelectedUserAlreadyHas += NumberOfSolutionsInCurrentAnswer;
}
}
}
int SolutionsRemainingToBePurchased = (NumberOfSolutionsToPurchase - NumberSelectedUserAlreadyHas);
int TotalRemainingSolutions = SolutionsRemainingToBePurchased - thisUser.Credit;
if(SolutionsRemainingToBePurchased > 1)
{
if (NumberOfSolutionsForThisUser > 1)
{ message += "You have seleted " + NumberOfSolutionsToPurchase + " solutions. "; }
else
{ message += "You have seleted " + NumberOfSolutionsToPurchase + " solution. "; }
message += SolutionsRemainingToBePurchased + " are new. ";
if (TotalRemainingSolutions >= 1)
{
if (thisUser.Credit > 1)
{ message += "You have " + thisUser.Credit + " credits, the remaining " + TotalRemainingSolutions + " will need to be purchased."; }
else
{ message += "You have " + thisUser.Credit + " credit, the remaining " + TotalRemainingSolutions + " will need to be purchased."; }
}
else
{
if (thisUser.Credit > 1)
{ message += "You have " + thisUser.Credit + " credits. "; }
else
{ message += "You have " + thisUser.Credit + " credit. "; }
}
}
else if(SolutionsRemainingToBePurchased == 1)
{
if (NumberOfSolutionsForThisUser > 1)
{ message += "You have seleted " + NumberOfSolutionsToPurchase + " solutions. "; }
else
{ message += "You have seleted " + NumberOfSolutionsToPurchase + " solution. "; }
message += SolutionsRemainingToBePurchased + " is new. ";
if (TotalRemainingSolutions >= 1)
{
if (thisUser.Credit > 1)
{ message += "You have " + thisUser.Credit + " credits, the remaining " + TotalRemainingSolutions + " will need to be purchased."; }
else
{ message += "You have " + thisUser.Credit + " credit, the remaining " + TotalRemainingSolutions + " will need to be purchased."; }
}
else
{
if (thisUser.Credit > 1)
{ message += "You have " + thisUser.Credit + " credits. "; }
else
{ message += "You have " + thisUser.Credit + " credit. "; }
}
}
else//if(SolutionsRemainingToBePurchased <= 1)
{
return "You presently have access to all of the selected solutions";
}
return message;
return theUsersSelection.Textbook + "_" + theUsersSelection.Unit + "_" + theUsersSelection.Chapter + "_" + theUsersSelection.Section + "_" + theUsersSelection.Page + "_" + theUsersSelection.Question;
//return theModel.Textbook + "_" + theModel.Unit + "_" + theModel.Chapter + "_" + theModel.Section + "_" + theModel.Page + "_" + theModel.Question;
}
public object[] InvokeMethod(string metaData, params object[] parameters)
{
//prevent call to invoke method on more than one thread at a time
lock (_syncRoot)
{
var mdata = metaData.Split('|');
//find the matching server side method ident
var ident = -1;
for (int index = 0; index < _syncInfo.MethodInfos.Length; index++)
{
var si = _syncInfo.MethodInfos[index];
//first of all the method names must match
if (si.MethodName == mdata[0])
{
//second of all the parameter types and -count must match
if (mdata.Length - 1 == si.ParameterTypes.Length)
{
var matchingParameterTypes = true;
for (int i = 0; i < si.ParameterTypes.Length; i++)
{
if (!mdata[i + 1].Equals(si.ParameterTypes[i].FullName))
{
matchingParameterTypes = false;
break;
}
}
if (matchingParameterTypes)
{
ident = si.MethodIdent;
break;
}
}
}
}
if (ident < 0)
{
throw new Exception(string.Format("Cannot match method '{0}' to its server side equivalent", mdata[0]));
}
var conn = ((RpcConnection)_connectionPool.Get());
conn.OnMessageReceived += (sender, e) =>
{
_binWriter.Seek(0, SeekOrigin.Begin);
_stream.Seek(0, SeekOrigin.Begin);
using (MemoryStream stream = new MemoryStream(e.MessageData))
using (BinaryReader br = new BinaryReader(stream))
{
// Read the result of the invocation.
MessageType messageType = (MessageType)br.ReadInt32();
if (messageType == MessageType.UnknownMethod)
{
throw new Exception("Unknown method.");
}
outParams = _parameterTransferHelper.ReceiveParameters(br);
if (messageType == MessageType.ThrowException)
{
throw (Exception)outParams[0];
}
System.Threading.Interlocked.Exchange(ref _received, 1);
}
};
conn.Connect();
// write the message type
_binWriter.Write((int)MessageType.MethodInvocation);
// write service key index
_binWriter.Write(_syncInfo.ServiceKeyIndex);
// write the method ident to the server
_binWriter.Write(ident);
// send the parameters
_parameterTransferHelper.SendParameters(_syncInfo.UseCompression,
_syncInfo.CompressionThreshold,
_binWriter,
parameters);
conn.Send(_stream.GetBuffer(), (int)_stream.Position, false);
// todo: rpcclient继承了clientbase的异步方式，而rpc调用天然需要同步方式
// 后期考虑重构掉这种丑陋的异步模拟同步的方式
System.Threading.SpinWait spinner = new System.Threading.SpinWait();
while (_received == 0)
{
spinner.SpinOnce();
}
return(outParams);
}
}
