private EventLine[] GetAnalyticsEventList(DateTime periodStart, DateTime periodEnd)
{
AlarmClientManager _alarmClientManager = new AlarmClientManager();
int eventCount = (int)(_startCache + _endCache) / 500;
try
{
IAlarmClient alarmClient = _alarmClientManager.GetAlarmClient(EnvironmentManager.Instance.MasterSite.ServerId);
EventLine[] events = alarmClient.GetEventLines(0, eventCount, new VideoOS.Platform.Proxy.Alarm.EventFilter()
{
Conditions = new Condition[] { new Condition()
{
Operator = Operator.NotEquals, Target = Target.Type, Value = "System Event"
},
new Condition()
{
Operator = Operator.LessThan, Target = Target.Timestamp, Value = periodEnd
},
new Condition()
{
Operator = Operator.GreaterThan, Target = Target.Timestamp, Value = periodStart
} }
});
return(events);
}
catch (Exception ex)
{
// this will happen if for instance the Event Server cannot be contacted. Showing error each time is quite intrusive, so let's just log.
EnvironmentManager.Instance.Log(true, nameof(OverlayGraphOnEventBackgroundPlugin), "Exception thrown: " + ex.Message);
return(new EventLine[] { });
}
}
private void CreatePlaybackDictionary(ImageViewerAddOn imageViewerAddOn, DateTime videoTime)
{
CachedOverlayObjects coo;
if (!_dicAddOnOverlayObjectsPlayback.TryGetValue(imageViewerAddOn, out coo) || coo.StartTime > videoTime || coo.EndTime < videoTime)
{
DateTime startDatetime = videoTime.AddMilliseconds(-_startCache);
DateTime endDatetime = videoTime.AddMilliseconds(_endCache);
if (endDatetime > DateTime.Now)
{
endDatetime = DateTime.Now;
}
EventLine[] analyticsEventLines = GetAnalyticsEventList(startDatetime, endDatetime);
if (analyticsEventLines.Length == 0)
{
return;
}
CachedOverlayObjects overlayObjectList = new CachedOverlayObjects();
overlayObjectList.OverlayObjectList = new List <OverlayObject>();
overlayObjectList.StartTime = startDatetime;
overlayObjectList.EndTime = endDatetime;
AlarmClientManager _alarmClientManager = new AlarmClientManager();
IAlarmClient alarmClient = _alarmClientManager.GetAlarmClient(EnvironmentManager.Instance.MasterSite.ServerId);
foreach (EventLine ev in analyticsEventLines)
{
BaseEvent baseevent = alarmClient.GetEvent(ev.Id);
overlayObjectList.OverlayObjectList.Add(new OverlayObject(baseevent, ev.Timestamp));
}
if (_dicAddOnOverlayObjectsPlayback.ContainsKey(imageViewerAddOn))
{
_dicAddOnOverlayObjectsPlayback.Remove(imageViewerAddOn);
}
_dicAddOnOverlayObjectsPlayback.Add(imageViewerAddOn, overlayObjectList);
}
}
private void loadClientLPR()
{
try
{
IAlarmClient alarmClient = _alarmClientManager.GetAlarmClient(EnvironmentManager.Instance.MasterSite.ServerId);
EventLine[] events = alarmClient.GetEventLines(0, 10,
new VideoOS.Platform.Proxy.Alarm.EventFilter()
{
Conditions = new Condition[] { new Condition()
{
Operator = Operator.Equals, Target = Target.Type, Value = "LPR Event"
} }
});
foreach (EventLine line in events)
{
BaseEvent baseevent = alarmClient.GetEvent(line.Id);
DataGridViewRow row = new DataGridViewRow();
row.Tag = baseevent;
AnalyticsEvent aEvent = baseevent as AnalyticsEvent;
if (aEvent != null)
{
string oValue = "";
string oConfidence = "";
if (aEvent.ObjectList != null && aEvent.ObjectList.Count > 0)
{
oValue = aEvent.ObjectList[0].Value ?? "";
oConfidence = aEvent.ObjectList[0].Confidence.ToString("F5");
}
row.CreateCells(dataGridViewAlarm, aEvent.EventHeader.Type, oValue, oConfidence, aEvent.EventHeader.CustomTag, aEvent.EventHeader.Timestamp.ToLocalTime(), aEvent.EventHeader.Source.Name);
dataGridViewAlarm.Rows.Add(row);
}
}
}
catch (Exception ex)
{
EnvironmentManager.Instance.ExceptionDialog("loading LPR Analytics", ex);
}
}