initial commit of C++ back end and react front end

interface/src/constants/NTPStatus.js

@@ -0,0 +1,32 @@
+import * as Highlight from '../constants/Highlight';
+
+export const NTP_TIME_NOT_SET = 0;
+export const NTP_TIME_NEEDS_SYNC = 1;
+export const NTP_TIME_SET = 2;
+
+export const isSynchronized = ntpStatus => ntpStatus && (ntpStatus.status === NTP_TIME_NEEDS_SYNC || ntpStatus.status === NTP_TIME_SET);
+
+export const ntpStatusHighlight = ntpStatus => {
+  switch (ntpStatus.status){
+    case NTP_TIME_SET:
+      return Highlight.SUCCESS;
+    case NTP_TIME_NEEDS_SYNC:
+      return Highlight.WARN;
+    case NTP_TIME_NOT_SET:
+    default:
+      return Highlight.ERROR;
+  }
+}
+
+export const ntpStatus = ntpStatus => {
+  switch (ntpStatus.status){
+    case NTP_TIME_SET:
+      return "Synchronized";
+    case NTP_TIME_NEEDS_SYNC:
+      return "Synchronization required";
+    case NTP_TIME_NOT_SET:
+      return "Time not set"
+    default:
+      return "Unknown";
+  }
+}