Beispiel #1
0
        private static void StartRelevantAutomationHandlers(HubEvent evt)
        {
            // Get a reference to the automation
            var automations = AutomationFactory.GetAutomations(evt, _hub);

            foreach (IAutomation automation in automations)
            {
                // If this automation is already running, cancel all running instances
                _taskManager.CancelRunningInstances(automation.GetType(), evt.DeviceId);

                // Start a task to handle the automation and a CancellationToken Source
                // so we can cancel it later.
                CancellationTokenSource cts        = new CancellationTokenSource();
                Func <Task>             handleTask = async() =>
                {
                    var startedTime = DateTime.Now;
                    Console.WriteLine($"{DateTime.Now} {automation} event: {evt.DescriptionText}");

                    using (var operation = _telemetryClient.StartOperation <RequestTelemetry>(automation.ToString()))
                    {
                        _telemetryClient.TrackEvent("Automation Started", evt.GetDictionary());

                        try
                        {
                            // This runs the Handle method on the automation class
                            await automation.Handle(cts.Token);
                        }
                        catch (TaskCanceledException)
                        {
                            TimeSpan executionTime = DateTime.Now - startedTime;
                            _telemetryClient.TrackEvent($"Automation Cancelled",
                                                        new Dictionary <string, string>()
                            {
                                { "WaitTime", executionTime.TotalSeconds.ToString() },
                            });
                            Console.WriteLine($"{DateTime.Now} {automation} event from {startedTime} cancelled.");
                        }
                        catch (Exception ex)
                        {
                            operation.Telemetry.Success = false;
                            _telemetryClient.TrackException(ex);
                            Console.WriteLine($"{DateTime.Now} {automation} {ex} {ex.Message}");
                        }
                    }
                };

                // Ready... go handle it!
                Task work = Task.Run(handleTask, cts.Token);

                // Hold on to the task and its cancellation token source for later.
                _taskManager.Track(work, cts, automation.GetType(), evt.DeviceId);
            }

            // Let's take this opportunity to get rid of any completed tasks.
            _taskManager.RemoveCompletedTasks();
        }
Beispiel #2
0
        private static void StartRelevantAutomationHandlers(HubEvent evt)
        {
            // Get a reference to the automation
            var automations = AutomationFactory.GetAutomations(evt, _hub);

            foreach (IAutomation automation in automations)
            {
                // If this automation is already running, cancel all running instances
                _taskManager.CancelRunningInstances(automation.GetType(), evt.DeviceId);

                // Start a task to handle the automation and a CancellationToken Source
                // so we can cancel it later.
                CancellationTokenSource cts        = new CancellationTokenSource();
                Func <Task>             handleTask = async() =>
                {
                    var startedTime = DateTime.Now;
                    Console.WriteLine($"{DateTime.Now} {automation} event: {evt.DescriptionText}");

                    try
                    {
                        // This runs the Handle method on the automation class
                        await automation.Handle(cts.Token);
                    }
                    catch (TaskCanceledException)
                    {
                        Console.WriteLine($"{DateTime.Now} {automation} event from {startedTime} cancelled.");
                    }
                    catch (Exception ex)
                    {
                        Console.WriteLine($"{DateTime.Now} {automation} {ex} {ex.Message}");
                    }
                };

                // Ready... go handle it!
                Task work = Task.Run(handleTask, cts.Token);

                // Hold on to the task and its cancellation token source for later.
                _taskManager.Track(work, cts, automation.GetType(), evt.DeviceId);
            }

            // Let's take this opportunity to get rid of any completed tasks.
            _taskManager.RemoveCompletedTasks();
        }