private async Task BackgroundProcessing(CancellationToken cancellationToken)
{
Log.Information("Background processing thread is started");
while (!cancellationToken.IsCancellationRequested)
{
var job = jobQueue.Dequeue();
if (job == null)
{
await Task.Delay(500, cancellationToken);
continue;
}
var(result, refreshAction) = await job;
if (hubContext == null)
{
continue;
}
await hubContext.Clients.All.SendCoreAsync("jobFinished", new object[] { result }, cancellationToken);
if (refreshAction != null)
{
await hubContext.Clients.All.SendCoreAsync("refresh", new object[] { refreshAction }, cancellationToken);
}
}
}
public async Task StartAsync(CancellationToken cancellationToken)
{
_tokenSource = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken);
while (cancellationToken.IsCancellationRequested == false)
{
try
{
var jobSettings = _queue.Dequeue();
if (jobSettings != null)
{
var jobStatus = (JobStatus)null;
do
{
jobStatus = await _jenkinsService.GetJobStatusAsync(jobSettings.JobPath);
if (jobStatus.Building)
{
await Task.Delay(3000);
}
} while (jobStatus.Building);
await _client.SendTextMessageAsync(jobSettings.ChatId, $"{jobSettings.JobDisplayName} has been finished with status {jobStatus.Status} on {jobStatus.TimeStamp.FromUnixTimeMilliseconds():dd.MM.yyyy HH:mm}");
}
}
catch (Exception e)
{
Log.Error(e, e.Message);
}
}
}
public async Task StartAsync(CancellationToken cancellationToken)
{
_cancellationTokenSource = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken);
while (cancellationToken.IsCancellationRequested == false)
{
try
{
var nextJob = _queue.Dequeue(cancellationToken);
nextJob.SetRunning();
await _repository.Update(nextJob, cancellationToken);
_logger.LogInformation($"Task {nextJob.Id} run");
await Task.Delay(LONG_RUNNING_TIME, cancellationToken);
nextJob.SetFinished();
await _repository.Update(nextJob, cancellationToken);
_logger.LogInformation($"Task {nextJob.Id} was finished");
}
catch (OperationCanceledException e)
{
_logger.LogWarning("Operation was cancelled");
throw;
}
}
}
public override IFetchedJob FetchNextJob(string[] queues, CancellationToken cancellationToken)
{
if (queues == null || queues.Length == 0)
{
throw new ArgumentNullException(nameof(queues));
}
return(_queue.Dequeue(queues, cancellationToken));
}