Example #1
0
        static IEnumerable <SimEvent> CondTester(SimEnvironment env)
        {
            var aProc = env.Process(AProcess(env));
            var cond  = env.AllOf(env.Timeout(5, "VAL_T"), aProc);

            yield return(cond);

            Console.WriteLine("ALL: {0}", cond.Value.Select(x => x.Value).Aggregate((s1, s2) => s1 + ", " + s2));

            aProc = env.Process(AProcess(env));
            cond  = env.AnyOf(env.Timeout(5, "VAL_T"), aProc);
            yield return(cond);

            Console.WriteLine("ANY: {0}", cond.Value.Select(x => x.Value).Aggregate((s1, s2) => s1 + ", " + s2));

            aProc = env.Process(AProcess(env));
            var aTime = env.Timeout(5, "VAL_T");
            ConditionEval <Timeout <string>, SimProcess> pred =
                c => c.Ev1.Succeeded && c.Ev2.Succeeded && c.Ev1.Value.Equals("VAL_T") && c.Ev2.Value.Equals("VAL_P");

            cond = env.Condition(aTime, aProc, pred);
            yield return(cond);

            Console.WriteLine("CUSTOM: {0}", cond.Value.Select(x => x.Value).Aggregate((s1, s2) => s1 + ", " + s2));
        }
Example #2
0
        public static void Run()
        {
            // Sets up and starts simulation
            Console.WriteLine("Movie renege");
            _env = Sim.Environment(RandomSeed);

            // Creates movie theater
            var counter = Sim.Resource(_env, 1);
            var titles  = new[] { ".NET Unchained", "Kill Process", "Pulp Implementation" };
            var movies  = new List <MovieInfo>(titles.Length);

            movies.AddRange(titles.Select(t => new MovieInfo(t, _env.Event())));
            _theater = new Theater(counter, movies);

            // Starts process and simulates
            _env.Process(CustomerArrivals());
            _env.Run(until: SimTime);

            // Analysis and results
            foreach (var movie in movies.Where(m => m.SoldOut.Succeeded))
            {
                Console.WriteLine("Movie \"{0}\" sold out {1:.0} minutes after ticket counter opening.", movie.Title,
                                  movie.WhenSoldOut);
                Console.WriteLine("  Number of people leaving queue when film sold out: {0}", movie.RenegerCount);
            }
        }
Example #3
0
        /// <summary>
        ///   Generates new cars that arrive at the gas station.
        /// </summary>
        private static SimEvents CarGenerator(SimEnvironment env, Resource gasStation, Container fuelPump)
        {
            foreach (var i in Enumerable.Range(0, int.MaxValue))
            {
                yield return(env.Timeout(env.Random.Next(MinInter, MaxInter)));

                env.Process(Car("Car " + i, env, gasStation, fuelPump));
            }
        }
        static IEnumerable <SimEvent> Machine(SimEnvironment env, char tag, IRecorder pressureRecorder, IRecorder temperatureRecorder)
        {
            Console.WriteLine($"Machine {tag} has powered up");

            // Start sensor processes.
            env.Process(PressureSensor(env, tag, pressureRecorder));
            env.Process(TemperatureSensor(env, tag, temperatureRecorder));
            Console.WriteLine($"All sensors for machine {tag} are active");

            for (var i = 1; ; ++i)
            {
                // Perform machine work.
                Console.WriteLine($"Machine {tag} has started work cycle {i}");
                yield return(env.Timeout(WorkTime));

                Console.WriteLine($"Machine {tag} has ended work cycle {i}");
            }
        }
Example #5
0
 static SimEvents Execute(SimEnvironment env, int finish)
 {
     while (env.Now < finish)
     {
         // Creates a new Customer and activates it (with default parameters).
         env.Process(Customer.Buy(env, "Marta"));
         Console.WriteLine("{0} {1}", env.Now, "Marta");
         yield return(env.Timeout(10));
     }
 }
Example #6
0
        static IEnumerable <SimEvent> Spawner(SimEnvironment env, Tally rec)
        {
            var queue = Sim.Resource(env, 2);

            while (true)
            {
                env.Process(Person(env, queue, rec));
                yield return(env.Timeout(env.Random.Next(2, 5)));
            }
        }
Example #7
0
        private const int MaxPatience       = 3;  // Max. customer patience

        /// <summary>
        ///   Source generates customers randomly.
        /// </summary>
        private static SimEvents Source(SimEnvironment env, int number, double interval, Resource counter)
        {
            foreach (var i in Enumerable.Range(0, number))
            {
                var n = string.Format("Customer{0:00}", i);
                var c = Customer(env, n, counter, timeInBank: 12.0);
                env.Process(c);
                var t = env.Random.Exponential(1.0 / interval);
                yield return(env.Timeout(t));
            }
        }
Example #8
0
        static IEnumerable <SimEvent> Machine(SimEnvironment env)
        {
            while (true)
            {
                var worker = env.Process(Worker(env));
                yield return(worker);

                Console.WriteLine("{0}: Eseguo il comando {1}", env.Now, worker.Value);
                yield return(env.Timeout(WorkTime));
            }
        }
Example #9
0
 static SimEvents PersonSpawner(SimEnvironment env, Resource postOffice)
 {
     while (true)
     {
         // We first start a new "Person" process...
         env.Process(Person(env, postOffice, env.Random.Choice(Names)));
         // And then we sleep for nearly SpawnFrequency minutes.
         var waitTime = env.Random.Exponential(1.0 / SpawnFrequency);
         yield return(env.Timeout(waitTime));
     }
 }
Example #10
0
        static IEnumerable <SimEvent> Process(SimEnvironment env)
        {
            var ev = env.Event <string>();

            env.Process(EventFailer(ev));
            yield return(ev);

            if (ev.Failed)
            {
                Console.WriteLine(ev.Value);
            }
        }
Example #11
0
        static IEnumerable <SimEvent> Proc(SimEnvironment env)
        {
            var ev1 = env.Event();

            env.Process(DoSucceed(env, ev1));
            yield return(ev1);

            if (ev1.Succeeded)
            {
                Console.WriteLine(ev1.Value);
            }

            var ev2 = env.Event();

            env.Process(DoFail(env, ev2));
            yield return(ev2);

            if (ev2.Failed)
            {
                Console.WriteLine(ev2.Value);
            }
        }
Example #12
0
        /// <summary>
        ///   Periodically checks the level of the <see cref="fuelPump"/> and calls the tank truck if
        ///   the level falls below a threshold.
        /// </summary>
        private static SimEvents GasStationControl(SimEnvironment env, Container fuelPump)
        {
            while (true)
            {
                if (fuelPump.Level / fuelPump.Capacity * 100 < Threshold)
                {
                    // We need to call the tank truck now!
                    Console.WriteLine("Calling tank truck at {0}", env.Now);

                    // Waits for the tank truck to arrive and refuel the station.
                    yield return(env.Process(TankTruck(env, fuelPump)));
                }
                yield return(env.Timeout(10)); // Checks every 10 seconds.
            }
        }
Example #13
0
        static IEnumerable <SimEvent> PersonGenerator(SimEnvironment env)
        {
            var womenToilet = Sim.Resource(env, 1);
            var menToilet   = Sim.Resource(env, 1);
            var count       = 0;

            while (true)
            {
                var rnd    = env.Random.NextDouble();
                var gender = ((rnd < 0.5) ? "Donna" : "Uomo") + count++;
                var toilet = (rnd < 0.5) ? womenToilet : menToilet;
                Console.WriteLine("{0:0.00}: {1} in coda", env.Now, gender);
                env.Process(Person(env, gender, toilet));
                yield return(env.Timeout(env.Random.Exponential(1.0 / AvgPersonArrival)));
            }
        }
Example #14
0
        static IEnumerable <SimEvent> Process(SimEnvironment env)
        {
            yield return(env.Process(Interrupter(env.ActiveProcess)));

            object cause;

            if (env.ActiveProcess.Interrupted(out cause))
            {
                Console.WriteLine("Interrupted at: " + cause);
            }
            // Following instructions are commented, because
            // they would result in an exception. In fact,
            // second interrupt would be uncaught.
            //
            // yield return env.Start(Interrupter(env.ActiveProcess));
            // yield return env.Timeout(5);
        }
Example #15
0
            SimEvents Start()
            {
                while (true)
                {
                    Console.WriteLine("Start parking and charging at {0}", _env.Now);
                    const int chargeDuration = 5;
                    // We may get interrupted while charging the battery
                    yield return(_env.Process(Charge(chargeDuration)));

                    if (_env.ActiveProcess.Interrupted())
                    {
                        Console.WriteLine("Was interrupted. Hope, the battery is full enough ...");
                    }
                    Console.WriteLine("Start driving at {0}", _env.Now);
                    const int tripDuration = 2;
                    yield return(_env.Timeout(tripDuration));
                }
            }
Example #16
0
 public Car(SimEnvironment env)
 {
     _env   = env;
     Action = env.Process(Start());
 }