Fixed issue with insights file datetime utc.

added insights application exception/crash.
added remote actions service.
fixed issue with LiteDB hang on application start/exit.
reduced insights listener empty frames.

1 files changed, 68 insertions, 0 deletions

diff --git a/Software/Visual_Studio/Tango.Core/Bson/BsonUtcSerializer.cs b/Software/Visual_Studio/Tango.Core/Bson/BsonUtcSerializer.cs
new file mode 100644
index 000000000..6f5cb7700
--- /dev/null
+++ b/Software/Visual_Studio/Tango.Core/Bson/BsonUtcSerializer.cs
@@ -0,0 +1,68 @@
+using Newtonsoft.Json;
+using Newtonsoft.Json.Serialization;
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Tango.Core.Bson
+{
+    public class BsonUtcSerializer : JsonSerializer
+    {
+        private class DateTimeConverter : JsonConverter
+        {
+            public override bool CanConvert(Type objectType)
+            {
+                return typeof(DateTime) == objectType
+                    || typeof(DateTime?) == objectType;
+            }
+
+            public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
+            {
+                var dateTimeOffset = (DateTime)value;
+                // Serialize DateTimeOffset as round-trip formatted string
+                serializer.Serialize(writer, dateTimeOffset.ToString("O"));
+            }
+
+            public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
+            {
+                if (reader.TokenType != JsonToken.String && reader.TokenType != JsonToken.Date)
+                    return null;
+
+                DateTime dt;
+
+                var dateWithOffset = (String)reader.Value;
+
+                if (String.IsNullOrEmpty(dateWithOffset))
+                    return null;
+
+                if (DateTime.TryParseExact(dateWithOffset, "O", CultureInfo.InvariantCulture, DateTimeStyles.RoundtripKind, out dt))
+                    return dt;
+
+                return null;
+            }
+
+        }
+
+        private class DateTimeContractResolver : DefaultContractResolver
+        {
+            protected override JsonContract CreateContract(Type objectType)
+            {
+                var contract = base.CreateContract(objectType);
+
+                if (objectType == typeof(DateTime) || objectType == typeof(DateTime?))
+                    contract.Converter = new DateTimeConverter();
+
+                return contract;
+            }
+        }
+
+        public BsonUtcSerializer()
+        {
+            ContractResolver = new DateTimeContractResolver();
+            DateTimeZoneHandling = DateTimeZoneHandling.RoundtripKind;
+        }
+    }
+}