add time from nsg log to splunk event metadata (#14)

* add raw channel identifier

* debug channel id

* debug raw channel

* switch to debug logging

* add time to splunk event, remove new header

* add fractions of second to time format

* time format.

* add fractional seconds to time

* 24 hour clock

* remove raw channel mod, switch back to information logging.

NwNsgProject/classes.cs

@@ -10,14 +10,25 @@ using Microsoft.CodeAnalysis.Formatting;
 class SplunkEventMessage
 {
     public string sourcetype { get; set; }
+    public double time { get; set; }
     public DenormalizedRecord @event { get; set; }
 
     public SplunkEventMessage (DenormalizedRecord splunkEvent)
     {
         sourcetype = "amdl:nsg:flowlogs";
+        time = unixTime(splunkEvent.time);
         @event = splunkEvent;
     }
 
+    double unixTime(string time)
+    {
+        DateTime t = DateTime.ParseExact(time,"yyyy-MM-ddTHH:mm:ss.fffffffZ", System.Globalization.CultureInfo.InvariantCulture);
+
+        double unixTimestamp = t.Ticks - new DateTime(1970, 1, 1).Ticks;
+        unixTimestamp /= TimeSpan.TicksPerSecond;
+        return unixTimestamp;
+    }
+
     public int GetSizeOfObject()
     {
         return sourcetype.Length + 10 + 6 + (@event == null ? 0 : @event.GetSizeOfJSONObject());