Devices can request current time with a precision to the millisecond

central_backend/src/utils/mod.rs

@@ -1 +1,2 @@
 pub mod files_utils;
+pub mod time_utils;

central_backend/src/utils/time_utils.rs

@@ -0,0 +1,10 @@
+use std::time::{SystemTime, UNIX_EPOCH};
+
+/// Get the current time since epoch
+
+pub fn time_millis() -> u128 {
+    SystemTime::now()
+        .duration_since(UNIX_EPOCH)
+        .unwrap()
+        .as_millis()
+}