static bool canRun(SchedulerContext context, JobItem jobItem, DateTime start)
{
if (jobItem.LeaseExpire.GetValueOrDefault() > start)
{
return(false);
}
if (jobItem.AlwaysRun)
{
return(true);
}
var lastRun = jobItem.LastRun.GetValueOrDefault();
var cron = CrontabSchedule.TryParse(jobItem.Cron);
if (cron == null)
{
if (jobItem.LastRunResult != "CRON ERROR")
{
postJob(context, jobItem, -1, "CRON ERROR", 0);
}
return(false);
}
var nextRun = cron.GetNextOccurrence(lastRun);
if (nextRun > start)
{
return(false);
}
jobItem.NextRun = cron.GetNextOccurrence(start);
return(true);
}
static async Task doJobAsync(SchedulerContext context, JobItem jobItem, DateTime start)
{
var cts = new CancellationTokenSource(TimeSpan.FromMinutes(jobItem.LeaseMinutes));
var response = await _client.GetAsync(jobItem.Url, cts.Token);
var content = string.Empty;
if (response.Content != null)
{
content = await response.Content.ReadAsStringAsync();
}
if (!jobItem.AlwaysRun)
{
postJob(context, jobItem, (int)response.StatusCode, content, (int)(DateTime.UtcNow - start).TotalSeconds);
}
}
static void postJob(SchedulerContext context, JobItem jobItem, int statusCode, string result, int runTime)
{
var jobLog = new JobLog
{
PartitionKey = TimeId.NewSortableId(),
RowKey = string.Empty,
JobGroup = jobItem.PartitionKey,
JobName = jobItem.RowKey,
StatusCode = statusCode,
Result = result,
RunTime = runTime,
};
context.JobLogs.Insert(jobLog, true);
jobItem.LastRun = DateTime.UtcNow;
jobItem.LastRunResult = jobLog.Result;
jobItem.LastRunStatusCode = jobLog.StatusCode;
if (jobLog.StatusCode >= 200 && jobLog.StatusCode < 400)
{
jobItem.LastSuccessRun = jobItem.LastRun;
}
context.JobItems.Replace(jobItem);
}
