LASAPlatform/OpenAuth.WebApi/SystemTask/DelayedExecutionService.cs

using OpenAuth.App.ServiceApp.DroneDocking;

namespace OpenAuth.WebApi.SystemTask;

public class DelayedExecutionService : BackgroundService
{
    private readonly ILogger<DelayedExecutionService> _logger;
    private readonly DroneDockApp _droneDockApp;

    public DelayedExecutionService(ILogger<DelayedExecutionService> logger, DroneDockApp droneDockApp)
    {
        _logger = logger;
        _droneDockApp = droneDockApp;
    }

    protected override async Task ExecuteAsync(CancellationToken stoppingToken)
    {
        _logger.LogInformation("定时任务已启动，将每5秒执行一次");

        while (!stoppingToken.IsCancellationRequested)
        {
            try
            {
                await PerformDelayedTask();
                // 等待5秒
                await Task.Delay(TimeSpan.FromSeconds(5), stoppingToken);
            }
            catch (OperationCanceledException)
            {
                _logger.LogInformation("定时任务被取消");
                break;
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "定时任务执行时发生错误");
                // 即使出错也继续下一次执行
                await Task.Delay(TimeSpan.FromSeconds(5), stoppingToken);
            }
        }
    }

    private async Task PerformDelayedTask()
    {
        await _droneDockApp.ReportDroneStatus();
        await Task.CompletedTask;
    }
}