private void ServiceCannotBeScheduled(ServiceInstance request)
{
try
{
AsLockable(request).Unlock(_instanceLock);
WriteLog(String.Format("Request '{0}' cannot be scheduled and its instance is aborted", request.DebugInfo()),
LogMessageType.Warning);
request.SchedulingInfo.SchedulingStatus = SchedulingStatus.CouldNotBeScheduled;
request.Abort();
}
catch (Exception ex)
{
WriteLog(String.Format("Failed to set service as unscheduled, ex: {0}", ex.Message), ex);
}
finally
{
// add to update UI with requests that cannot be scheduled, this request will be removed on the next Schedule() by RemoveNotRelevantRequests()
_scheduledRequests.Add(request);
AsLockable(request).Lock(_instanceLock);
}
}
private void ScheduleServiceInstance(ServiceInstance serviceInstance, TimeSpan avgExecutionTime)
{
AsLockable(serviceInstance).Unlock(_instanceLock);
serviceInstance.SchedulingInfo.SchedulingStatus = SchedulingStatus.Scheduled;
serviceInstance.StateChanged += Instance_StateChanged;
AsLockable(serviceInstance).Lock(_instanceLock);
// set service instance max execution time
serviceInstance.Configuration.Limits.MaxExecutionTime = TimeSpan.FromMilliseconds(avgExecutionTime.TotalMilliseconds * Configuration.MaxExecutionTimeFactor);
if (!_scheduledRequests.ContainsSignature(serviceInstance))
{
WriteLog(String.Format("Move unscheduled request to scheduled list '{0}'", serviceInstance.DebugInfo()));
_scheduledRequests.Add(serviceInstance);
_unscheduledRequests.Remove(serviceInstance);
}
else
{
WriteLog(String.Format("Warning! Request '{0}' already exists in scheduled list", serviceInstance.DebugInfo()), LogMessageType.Warning);
}
}
private void AddRequestToSchedule(ServiceInstance request)
{
try
{
// add scheduling info if not exists
if (request.SchedulingInfo == null)
{
AsLockable(request).Unlock(_instanceLock);
request.SchedulingInfo = new SchedulingInfo
{
SchedulingStatus = SchedulingStatus.New,
RequestedTime = DateTime.Now,
SchedulingScope = SchedulingScope.Unplanned
};
AsLockable(request).Lock(_instanceLock);
}
WriteLog(String.Format("Add unplanned request to unscheduled list '{0}'", request.DebugInfo()));
lock (_unscheduledRequests)
{
_unscheduledRequests.Add(request);
}
_needReschedule = true;
}
catch (Exception ex)
{
WriteLog(String.Format("Failed add unplanned request {0} to scheduler, ex: {1}", request.InstanceID, ex.Message), ex);
}
}