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TimedHostedService.cs
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TimedHostedService.cs
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using System;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
namespace BackgroundTasksSample.Services
{
#region snippet1
public class TimedHostedService : IHostedService, IDisposable
{
private int executionCount = 0;
private readonly ILogger<TimedHostedService> _logger;
private Timer _timer;
public TimedHostedService(ILogger<TimedHostedService> logger)
{
_logger = logger;
}
public Task StartAsync(CancellationToken stoppingToken)
{
_logger.LogInformation("Timed Hosted Service running.");
_timer = new Timer(DoWork, null, TimeSpan.Zero,
TimeSpan.FromSeconds(5));
return Task.CompletedTask;
}
private void DoWork(object state)
{
executionCount++;
_logger.LogInformation(
$"Timed Hosted Service is working. Count: {executionCount}");
}
public Task StopAsync(CancellationToken stoppingToken)
{
_logger.LogInformation("Timed Hosted Service is stopping.");
_timer?.Change(Timeout.Infinite, 0);
return Task.CompletedTask;
}
public void Dispose()
{
_timer?.Dispose();
}
}
#endregion
}