private static void SendDataToHistorian(uPLibrary.Networking.M2Mqtt.Messages.MqttMsgPublishEventArgs e, bool dataFromQueue = false)
{
HistorianAccessError error;
Double localValue;
Boolean result;
UInt32 tagKey = 0;
try
{
if (!HistorianOK())
{
// Put the message in the queue
_messageQueue.Enqueue(new TimestampedMqttMsgPublishEventArgs(e));
return;
}
// First look for an exact match, no regex
try
{
tagKey = _HistorianTags.subscribetags.Single(t => t.topic.Equals(e.Topic) && t.useregex == false).historianTag.TagKey;
}
catch
{
// Couldn't find it or some other isse so set to 0 so the next codeset can try
tagKey = 0;
}
if (tagKey == 0)
{
tagKey = GetHistorianTagKey(e.Topic);
}
// If we still have tag key of 0 then just queue it and proces later
if (tagKey == 0)
{
// Put the message in the queue
_messageQueue.Enqueue(new TimestampedMqttMsgPublishEventArgs(e));
return;
}
// Finally check to make sure the tag is ready. If it is not then just queue the message
if (!TagIsReady(_HistorianTags.subscribetags.FirstOrDefault(t => t.historianTag.TagKey.Equals(tagKey)).historianTag.TagName))
{
// Put the message in the queue
_messageQueue.Enqueue(new TimestampedMqttMsgPublishEventArgs(e));
return;
}
string messageValue = System.Text.ASCIIEncoding.UTF8.GetString(e.Message);
HistorianDataValue myVTQ = new HistorianDataValue();
myVTQ.TagKey = tagKey;
myVTQ.DataValueType = _HistorianTags.subscribetags.Find(x => x.topic.Equals(e.Topic)).historianTag.TagDataType;
myVTQ.OpcQuality = 192;
if (Double.TryParse(messageValue, out localValue))
{
myVTQ.Value = localValue;
}
else
{
throw new Exception("Error Parsing Message to Double " + messageValue);
}
myVTQ.StartDateTime = DateTime.Now;
result = (_historian.AddStreamedValue(myVTQ, out error));
if (!result)
{
throw new Exception("Failed to write VTQ : " + error.ErrorDescription);
}
}
catch (Exception ex)
{
log.Error(ex);
}
}
