public Task Execute(IJobExecutionContext context)
{
return(Task.Run(() =>
{
IJobDetail job = context.JobDetail;
JobDataMap datas = job.JobDataMap;
SchedTask schedTask = (SchedTask)datas["schedTask"];
if (schedTask != null)
{
var ssss = EnableTaskModule.GetAllTask();
++schedTask.InvokeNum;
_schedTask = schedTask;
if (schedTask.Request.IsCancel) // 取消请求
{
Del(); return;
}
// 启动爬取
schedTask.Action?.Invoke(schedTask.Request, null);
if (!schedTask.Request.IsCycle && schedTask.InvokeNum >= schedTask.Request.CycleNum)// 是否循环结束
{
Del(); return;
}
if (CheckTask(schedTask))
{
return;
}
}
}));
}
/// <summary>
/// 检查状态，过滤无效爬取
/// </summary>
/// <param name="schedTask"></param>
/// <returns></returns>
public bool CheckTask(SchedTask schedTask)
{
var status = schedTask.TriggerState;
if (status == TriggerState.Error)
{
return(Del());
}
return(false);
}
internal void RunTask(SchedTask tsk)
{
lock (_running)
{
if (_running.Contains(tsk.Id))
{
log.Debug("Task already running: {0}", tsk.Id);
return;
}
_running.Add(tsk.Id);
}
DateTime dt = DateTime.Now;
try
{
tsk.NextTrigger = DateTime.Now.AddSeconds(tsk.TaskData.IntervalSeconds);
CreateAndRunTask(tsk);
}
catch (Exception ex)
{
log.Error("Error running task {0}: {1}", tsk.Id, ex);
ReportTaskFailed(tsk.Id, ex);
}
finally
{
lock (_running)
{
_running.Remove(tsk.Id);
}
log.Debug("Task {0} finished. Time: {1}, Next trigger: {2}", tsk.Id, DateTime.Now - dt, tsk.NextTrigger);
}
}
protected void UpdateScheduledJobs()
{
log.Debug("Updating scheduler jobs. group: {0}", this.SchedulerGroup);
string pid = System.Diagnostics.Process.GetCurrentProcess().Id.ToString();
string[] pcl = PerfCounters == null ? null : PerfCounters.GetPerfCounterNames().ToArray();
var resp = CogMon.CallService<GetActiveScheduledJobsResponse>(new GetActiveScheduledJobs {
Groups = string.IsNullOrEmpty(SchedulerGroup) ? (string[]) null : new string[] {SchedulerGroup},
PerfCounters = pcl,
AgentPID = pid
});
List<SchedTask> lst = new List<SchedTask>();
var tsks = _tasks;
foreach (var t in resp.Tasks)
{
if (!string.IsNullOrEmpty(TestJobId) && t.Id != TestJobId) continue;
SchedTask pt = tsks.FirstOrDefault(x => x.Id == t.Id);
if (pt != null)
{
pt.TaskData = t;
}
else pt = new SchedTask
{
Id = t.Id,
TaskData = t,
NextTrigger = t.LastRun.AddSeconds(t.IntervalSeconds) < DateTime.Now ? DateTime.Now.AddSeconds(_r.Next(60)) : t.LastRun.AddSeconds(t.IntervalSeconds)
};
lst.Add(pt);
}
log.Debug("Updated job list: {0} jobs", lst.Count);
_tasks = lst;
}
internal void CreateAndRunTask(SchedTask t)
{
var ti = ServiceResolver.GetInstance<JobBase>(t.TaskData.QueryMethod.ToString());
var json = JsonConvert.SerializeObject(t.TaskData);
JsonConvert.PopulateObject(json, ti);
ti.Execute();
}
