don't reset dropped_packets in the interval with no exchanged data

Author: GyulyVGC

src/networking/parse_packets.rs

@@ -432,7 +432,7 @@ fn maybe_send_tick_run_live(
             first_packet_ticks.and_then(|i| i.checked_add(Duration::from_millis(1000)));
         let _ = tx.send_blocking(BackendTrafficMessage::TickRun(
             cap_id,
-            info_traffic_msg.take_but_leave_timestamp(),
+            info_traffic_msg.take_but_leave_something(),
             new_hosts_to_send.lock().unwrap().drain(..).collect(),
             false,
         ));
@@ -460,7 +460,7 @@ fn maybe_send_tick_run_offline(
             next_packet_timestamp.secs() - info_traffic_msg.last_packet_timestamp.secs();
         let _ = tx.send_blocking(BackendTrafficMessage::TickRun(
             cap_id,
-            info_traffic_msg.take_but_leave_timestamp(),
+            info_traffic_msg.take_but_leave_something(),
             new_hosts_to_send.lock().unwrap().drain(..).collect(),
             false,
         ));

src/networking/types/info_traffic.rs

@@ -158,9 +158,10 @@ impl InfoTrafficMessage {
         }
     }
 
-    pub fn take_but_leave_timestamp(&mut self) -> Self {
+    pub fn take_but_leave_something(&mut self) -> Self {
         let info_traffic = Self {
             last_packet_timestamp: self.last_packet_timestamp,
+            dropped_packets: self.dropped_packets,
             ..Self::default()
         };
         std::mem::replace(self, info_traffic)