static void Main(string[] args)
{
IConfiguration config = new ConfigurationBuilder()
.AddJsonFile("appsetting.json", true, true)
.Build();
var carWasher = new CarWasher(config);
carWasher.Initialize();
System.Threading.Timer visitorTimer = new System.Threading.Timer(OnVisitorArrived, carWasher, TimeSpan.Zero, new TimeSpan(0, 0, Int32.Parse(config["VisitorArrivalTimeGapSeconds"])));
Console.WriteLine("Press ESC to stop and S for statistics.");
while (!(Console.KeyAvailable && Console.ReadKey(true).Key == ConsoleKey.Escape))
{
var key = Console.ReadKey(true).Key;
if (key == ConsoleKey.S)
{
var stats = GetStatistics(carWasher);
Console.WriteLine($"Total Generated Visitors = {stats.GeneratedVisitors}");
Console.WriteLine($"Total Processed Visitors = {stats.ProcessedVisitors}");
Console.WriteLine($"Total Rejected Visitors = {stats.RejectedVisitors}");
Console.WriteLine($"Average Processing Time = {stats.AverageProcessingTime}");
Console.WriteLine($"Average Waiting Time = {stats.AverageWaitingTime}");
Console.WriteLine($"Average Total Time = {stats.AverageTotalTime}");
}
else if (key == ConsoleKey.Escape)
{
break;
}
}
visitorTimer.Dispose();
}
private static Statistics GetStatistics(CarWasher carWasher)
{
try
{
var visitors = carWasher.GetAllVisitors();
var processedVisitors = visitors.Where(v => v.ProcessedOn.HasValue && v.Status == Enums.Enum.VisitorStatus.Processed);
TimeSpan averageProcessingTime, averageTotalTime, averageWaitingTime;
if (processedVisitors.Any())
{
averageTotalTime = TimeSpan.FromMilliseconds(processedVisitors.Average(v => (v.ProcessedOn.Value - v.GeneratedOn).TotalMilliseconds));
averageWaitingTime = TimeSpan.FromMilliseconds(processedVisitors.Average(v => ((v.ProcessedOn.Value - v.GeneratedOn) - v.ProcessingDuration).TotalMilliseconds));
averageProcessingTime = averageTotalTime - averageWaitingTime;
}
var statistics = new Statistics
{
GeneratedVisitors = visitors.Count(),
ProcessedVisitors = processedVisitors.Count(),
RejectedVisitors = visitors.Count(v => v.Status == Enums.Enum.VisitorStatus.Rejected),
AverageProcessingTime = averageProcessingTime,
AverageTotalTime = averageTotalTime,
AverageWaitingTime = averageWaitingTime
};
return(statistics);
}
catch (Exception ex)
{
Console.WriteLine($"Error getting statistics. Exception: {ex.Message}");
return(null);
}
}