private static async Task ExecuteJobAsync(string id, IScheduledJob job, ILogger logger, bool tracingEnabled)
{
Stopwatch sw = tracingEnabled ? new Stopwatch() : null;
try
{
sw?.Start();
await job.ExecuteAsync();
sw?.Stop();
if (tracingEnabled)
{
logger?.WriteInformation($"Job（Id: {id} , DisplayName: {job.DisplayName}）已执行，耗时：{sw.ElapsedMilliseconds} 毫秒。");
}
}
catch (Exception ex)
{
sw?.Stop();
logger?.WriteError($"Job（Id: {id} , DisplayName: {job.DisplayName}）执行作业时发生错误。", ex);
ex.ThrowIfNecessary();
}
finally
{
IDisposable disposable = job as IDisposable;
disposable?.Dispose();
}
}
private async Task RunAsync(CancellationToken cancellationToken)
{
while (!cancellationToken.IsCancellationRequested)
{
Log.Verbose("Checking for scheduled jobs in the earn jobs queue...");
try
{
CloudQueueMessage message = await azureQueue.DequeueMessageAsync().ConfigureAwait(false);
if (message != null)
{
string messageInfo = message.AsString;
await azureQueue.DeleteMessageAsync(message.Id, message.PopReceipt).ConfigureAwait(false);
XDocument xDoc = XDocument.Parse(messageInfo);
var messageEement = xDoc.Descendants().FirstOrDefault(d => d.Name == "Message");
if (messageEement != null)
{
ScheduledJobInfo scheduledJobInfo =
JsonConvert.DeserializeObject <ScheduledJobInfo>(messageEement.Value);
Log.Info("JobType {0} found in the queue", scheduledJobInfo.JobType.ToString());
IScheduledJob scheduledJob = JobManager.GetJobByType(scheduledJobInfo.JobType);
JobManager.DeleteJob(scheduledJobInfo.JobId);
Log.Info($"Deleted the azure scheduler job {scheduledJobInfo.JobId}");
var executeAsync = scheduledJob?.ExecuteAsync(scheduledJobInfo);
if (executeAsync != null)
{
await executeAsync;
}
Log.Info("Finished executing the earn job : {0}", scheduledJobInfo.ToString());
}
else
{
Log.Error("Invalid Payload in the job message : {0}", messageInfo);
}
}
else
{
Log.Info("No job found in the earn jobs queue...");
}
}
catch (Exception exception)
{
Log.Error(exception, "Error in processing the earn job");
}
await Task.Delay(TimeSpan.FromSeconds(30));
}
}
