private IEnumerable<Event> Car(string name, Environment env, Resource gasStation, Container fuelPump)
{
/*
* A car arrives at the gas station for refueling.
*
* It requests one of the gas station's fuel pumps and tries to get the
* desired amount of gas from it. If the stations reservoir is
* depleted, the car has to wait for the tank truck to arrive.
*/
var fuelTankLevel = env.RandUniform(MinFuelTankLevel, MaxFuelTankLevel + 1);
env.Log("{0} arriving at gas station at {1}", name, env.Now);
using (var req = gasStation.Request()) {
var start = env.Now;
// Request one of the gas pumps
yield return req;
// Get the required amount of fuel
var litersRequired = FuelTankSize - fuelTankLevel;
yield return fuelPump.Get(litersRequired);
// The "actual" refueling process takes some time
yield return env.Timeout(TimeSpan.FromSeconds(litersRequired / RefuelingSpeed));
env.Log("{0} finished refueling in {1} seconds.", name, (env.Now - start).TotalSeconds);
}
}
private IEnumerable<Event> CarGenerator(Environment env, Resource gasStation, Container fuelPump)
{
// Generate new cars that arrive at the gas station.
var i = 0;
while (true) {
i++;
yield return env.Timeout(env.RandUniform(MinTInter, MaxTInter));
env.Process(Car("Car " + i, env, gasStation, fuelPump));
}
}