public void HandleFailure(ISupervisor supervisor, PID child, Exception reason)
{
var directive = _decider(child, reason);
switch (directive)
{
case SupervisorDirective.Resume:
//resume the failing child
child.SendSystemMessage(ResumeMailbox.Instance);
break;
case SupervisorDirective.Restart:
//restart the failing child
child.SendSystemMessage(new Restart());
break;
case SupervisorDirective.Stop:
//stop the failing child
child.Stop();
break;
case SupervisorDirective.Escalate:
supervisor.EscalateFailure(child, reason);
break;
default:
throw new ArgumentOutOfRangeException();
}
}
public override void SendUserMessage(PID pid, object message, PID sender)
{
if (message is T)
{
_tcs.TrySetResult((T)message);
pid.Stop();
}
}
protected internal override void SendUserMessage(PID pid, object message)
{
var env = MessageEnvelope.Unwrap(message);
if (env.message is T || message == null)
{
if (_cts != null && _cts.IsCancellationRequested)
{
pid.Stop();
return;
}
_tcs.TrySetResult((T)env.message);
pid.Stop();
}
else
{
throw new InvalidOperationException($"Unexpected message. Was type {env.message.GetType()} but expected {typeof(T)}");
}
}
public override void SendUserMessage(PID pid, object message, PID sender)
{
if (message is T)
{
if (_cts != null && _cts.IsCancellationRequested)
{
return;
}
_tcs.TrySetResult((T)message);
pid.Stop();
}
}
//public bool RequestRestartPermission(int maxNrOfRetries, TimeSpan? withinTimeSpan)
//{
// if (maxNrOfRetries == 0)
// {
// return false;
// }
// FailureCount++;
// //supervisor says child may restart, and we don't care about any timewindow
// if (withinTimeSpan == null)
// {
// return FailureCount <= maxNrOfRetries;
// }
// var max = DateTime.Now - withinTimeSpan;
// if (LastFailureTime > max)
// {
// return FailureCount <= maxNrOfRetries;
// }
// //we are past the time limit, we can safely reset the failure count and restart
// FailureCount = 0;
// return true;
//}
public void HandleFailure(ISupervisor supervisor, PID child, RestartStatistics crs, Exception reason)
{
var directive = _decider(child, reason);
switch (directive)
{
case SupervisorDirective.Resume:
//resume the failing child
child.SendSystemMessage(ResumeMailbox.Instance);
break;
case SupervisorDirective.Restart:
//restart the failing child
if (crs.RequestRestartPermission(_maxNrOfRetries, _withinTimeSpan))
{
Console.WriteLine($"Restarting {child.ToShortString()} Reason {reason}");
child.SendSystemMessage(Restart.Instance);
}
else
{
Console.WriteLine($"Stopping {child.ToShortString()} Reason { reason}");
child.Stop();
}
break;
case SupervisorDirective.Stop:
//stop the failing child
Console.WriteLine($"Stopping {child.ToShortString()} Reason {reason}");
child.Stop();
break;
case SupervisorDirective.Escalate:
supervisor.EscalateFailure(child, reason);
break;
default:
throw new ArgumentOutOfRangeException();
}
}
public override void SendUserMessage(PID pid, object message, PID sender)
{
if (message is T || message == null)
{
if (_cts != null && _cts.IsCancellationRequested)
{
return;
}
_tcs.TrySetResult((T)message);
pid.Stop();
}
else
{
throw new InvalidOperationException($"Unexpected message. Was type {message.GetType()} but expected {typeof(T)}");
}
}