private void btnCount_Click(object sender, EventArgs e)
{
Console.WriteLine();
Console.WriteLine($"Exceptions count: {ExceptionCounter.Calculate(_InstanceName)}");
}
public virtual async Task Start()
{
try
{
await this.Stop();
}
catch (Exception ex)
{
await Utility.CreateLogger(nameof(NanoServiceBase), nameof(Start)).Code(911).Error(ex).SaveAsync();
}
CancellationToken token = this._cancellation.Token;
//the Execute method will be called below so if a derived type does not use the cancellationToken then this will be the default behaviour.
try
{
token.Register(() =>
{
this.IsRunning = false;
this.Notify("The service is cancelling.");
this.OnStateChangedSafely(ServiceState.Cancelling);
});
}
catch (Exception)
{
this.IsRunning = false;
this.Notify("An exception occurred while cancelling.");
this.OnStateChangedSafely(ServiceState.ErrorOccuredWhenCancelling);
}
this.Notify("The service is startting.");
this.OnStateChangedSafely(ServiceState.Starting);
this.IsRunning = true;
this.ExecutedOperationCount = -1;
ExceptionCounter exceptionCounter = new ExceptionCounter(this.MaxErrorLimit < 1 ? int.MaxValue : this.MaxErrorLimit);//Burası Konfigure edilebilir.
ITaskRunner runner = this.CreateTaskRunner();
while (this.Continue())
{
try
{
await runner.Run(this.Execute, this.Observer, token);
}
catch (Exception ex)
{
await Utility.CreateLogger(nameof(NanoServiceBase), nameof(Start)).Code(911).Error(ex).SaveAsync();
if (exceptionCounter.CheckIfMaxExceptionOccur(ex))
{
this.IsRunning = false;
this.OnStateChangedSafely(ServiceState.FailedDueToMaxErrorExceed);
string msg = $"{this.GetType()} has been stopped due to {(this.MaxErrorLimit < 2 ? "an exception" : "a repeated exception.")}";
this.Notify(msg);
await Utility.CreateLogger(nameof(NanoServiceBase), nameof(Start)).Code(913).Warning(msg).SaveAsync();
}
}
await Wait(this.Interval.TotalMilliseconds.ConvertTo <int>());
}
this.IsRunning = false; //her iştimale karşı. örneğin CompletedDueToMaxOperationLimit' de.
if (this._currentState == ServiceState.Starting) //yani herhangi bir nedenden durmamış. örneğin once seçilip çalıştırılıp tamamlanmış.
{
this.Notify("The service has been completed due to max operation limit.");
this.OnStateChangedSafely(ServiceState.CompletedDueToMaxOperationLimit);
}
//else//Stop dan dolayı yapılmışsa burası zaten çalışıyor. CompletedDueToMaxOperationLimit ve FailedDueToMaxErrorExceed ise zastop edilmeden durmuş oluyor servis zaten.
//{
// this.Notify("The Service has been stopped.");
// this.OnStateChangedSafely(ServiceState.Stopped);
//}
}
