Files
monorepo/LCU.API.Internal.Dispatcher/LCU.Api.Internal.Dispatcher/HostedServices/JobSchedulerHostedService.cs
T
2026-03-24 15:26:03 -05:00

58 lines
2.2 KiB
C#

using System.Threading;
using Microsoft.Extensions.DependencyInjection;
using NCrontab;
using LCU.Api.Internal.DispatcherSharedLib.Utilities;
using LCU.Api.Internal.Dispatcher.Configurations;
using LCU.Api.Internal.Dispatcher.Services.DispatcherOperationServices;
using LCU.Library.Internal.LCUHostedService.LCUBackgroundService;
namespace LCU.Api.Internal.Dispatcher.HostedServices;
public class JobSchedulerHostedService : LCUBackgroundService, IJobSchedulerHostedService
{
private readonly ApiConfiguration _apiConfiguration;
private readonly IServiceScopeFactory _scopeFactory;
private CancellationToken _cancellationToken;
public JobSchedulerHostedService(IServiceScopeFactory scopeFactory,
ApiConfiguration apiConfiguration)
{
_scopeFactory = scopeFactory;
_apiConfiguration = apiConfiguration;
_cancellationToken = new CancellationToken();
}
protected override async Task ExecuteAsync(CancellationToken cancellationToken)
{
if (!_apiConfiguration.FeatureFlags.RunJobSchedulerHostedService)
{
Log.Error("Job Scheduler Hosted Service is disabled by feature flag. Service not started.");
return;
}
Log.Debug("Dispatcher's Job Schedule Hosted Service is starting.");
try
{
while (!cancellationToken.IsCancellationRequested)
{
await Task.Delay(_apiConfiguration.DefaultDelayMilliseconds, cancellationToken); // wait until next time
using (var scope = _scopeFactory.CreateAsyncScope())
{
Log.Debug("Running Job Schedule Service");
await scope.ServiceProvider.GetRequiredService<IJobScheduleService>().PerformSchedule(_cancellationToken);
}
}
}
catch(OperationCanceledException taskCanceledEx)
{
Log.Error(taskCanceledEx, $"Manual start/stop of Dispatcher's Job Scheduler Hosted Service was initiated.");
}
catch (Exception exception)
{
Log.Error(exception,
"Error trying to startup main thread for Dispatcher's Job Schedule Hosted Service");
}
Log.Debug("Dispatcher's Job Schedule Hosted Service is stopping.");
}
}