ds8-solution-pro/ds-wms-service/DS.WMS.JobService/WindowsBackgroundService.cs

using DS.WMS.Core.Code.Entity;
using Hangfire;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace DS.WMS.JobService
{ 
    public sealed class WindowsBackgroundService(
        ILogger<WindowsBackgroundService> logger) : BackgroundService
    {
        protected override async Task ExecuteAsync(CancellationToken stoppingToken)
        {
            try
            {
                while (!stoppingToken.IsCancellationRequested)
                {

                    var _OpServer = new BackgroundJobServer(new BackgroundJobServerOptions
                    {
                        SchedulePollingInterval = TimeSpan.FromMinutes(1),
                        ServerName = "OpWorkService",
                        Queues = new[] { "op" }
                    });

                    //logger.LogWarning("{Joke}", joke);

                    await Task.Delay(TimeSpan.FromMinutes(1), stoppingToken);
                }
            }
            catch (OperationCanceledException)
            {
                // When the stopping token is canceled, for example, a call made from services.msc,
                // we shouldn't exit with a non-zero exit code. In other words, this is expected...
            }
            catch (Exception ex)
            {
                logger.LogError(ex, "{Message}", ex.Message);

                // Terminates this process and returns an exit code to the operating system.
                // This is required to avoid the 'BackgroundServiceExceptionBehavior', which
                // performs one of two scenarios:
                // 1. When set to "Ignore": will do nothing at all, errors cause zombie services.
                // 2. When set to "StopHost": will cleanly stop the host, and log errors.
                //
                // In order for the Windows Service Management system to leverage configured
                // recovery options, we need to terminate the process with a non-zero exit code.
                Environment.Exit(1);
            }
        }
    }
}