public bool PlaceReservation(Models.Reservation reservation, int eventCapacity)
{
long?remainingTickets = tickets_Counter.GetCurrentTicketsCount(reservation.Event_Id);
if (remainingTickets != null) // counter exists
{
// are tickets still available
if (eventCapacity - remainingTickets >= reservation.Tickets_count)
{
mapper.Insert(reservation);
// get tickets from pool
tickets_Counter.DecrementRemainingTicketsCountBy(reservation.Event_Id,
reservation.Tickets_count);
Statistics.Reservation(reservation.Event_Id);
// Statistics.Placed(reservation.Event_Id, reservation.Tickets_count);
}
else
{
// Console.WriteLine("Tickets count exceeded");
Statistics.Declined(reservation.Event_Id, reservation.Tickets_count);
return(false);
}
}
else
{
Console.WriteLine("Couldn't find ticketsCounter");
return(false);
}
return(true);
}
public Runner()
{
backend = new BackendSession(false);
counterController = new Controllers.Tickets_Counter(backend);
reservationController = new Controllers.Reservation(backend);
eventController = new Controllers.Event(backend);
CancellationTokenSource source = new CancellationTokenSource();
// Get one of the events to consider
List <Models.Event> events = eventController.GetAllEvents();
Models.Event ev = events.Where(e => e.Id == 2).First();
Random rand = new Random();
// get initial tickets counter
Console.WriteLine("Counter value: {0}", counterController.GetCurrentTicketsCount(ev.Id));
// run 5 rounds
for (int k = 0; k < 5; k++)
{
// in 1150 threads
List <Thread> threads = new List <Thread>();
for (int i = 0; i < 1000; i++)
{
var clientIdOffset_ = clientIdOffset;
// run thread to place reservation and cancel 10% of them
Thread t = new Thread(() => {
Client c = new Client(reservationController, clientIdOffset_, ev.Id, 10, 5, 1, ev.Total_Tickets);
c.run();
});
clientIdOffset += 1;
t.Start();
threads.Add(t);
}
foreach (Thread th in threads)
{
th.Join();
}
GetStatistics(ev.Id);
}
Thread.Sleep(1000);
GetStatistics(ev.Id);
}
private void GetStatistics(int eventId)
{
Console.WriteLine("Counter value: {0}", counterController.GetCurrentTicketsCount(eventId));
Console.WriteLine(
"Statistics: reservations: {0}\n" +
"Statistics: tickets reserved: {1}\n" +
"Statistics: reservations cancelled: {2}\n" +
"Statistics: tickets cancelled: {3}\n" +
"Statistics: reservations declined: {4}\n" +
"Statistics: tickets declined: {5}\n" +
"Statistics: not found (not yer replicated): {6}\n",
Statistics.GetReservations(eventId),
Statistics.GetTicketsReserved(eventId),
Statistics.GetReservationsCancelled(eventId),
Statistics.GetTicketsCancelled(eventId),
Statistics.GetReservationsDeclined(eventId),
Statistics.GetTicketsDeclined(eventId),
Statistics.GetNotFound(eventId)
);
}