Add traceroute times.

meshview/models.py

@@ -60,4 +60,5 @@ class Traceroute(Base):
     gateway_node_id: Mapped[int] = mapped_column(BigInteger)
     done: Mapped[bool]
     route: Mapped[bytes]
+    import_time: Mapped[datetime]
 

meshview/store.py

@@ -109,6 +109,7 @@ async def process_envelope(topic, env):
                 route=env.packet.decoded.payload,
                 done=not env.packet.decoded.want_response,
                 gateway_node_id=int(env.gateway_id[1:], 16),
+                import_time=datetime.datetime.utcnow(),
             ))
 
         await session.commit()
@@ -207,5 +208,6 @@ async def get_traceroute(packet_id):
         result = await session.execute(
                 select(Traceroute)
                 .where(Traceroute.packet_id == packet_id)
+                .order_by(Traceroute.import_time)
         )
         return result.scalars()

meshview/web.py

@@ -557,6 +557,7 @@ async def graph_traceroute(request):
     mqtt_nodes = set()
     saw_reply = set()
     dest = None
+    node_seen_time = {}
     for tr in traceroutes:
         if tr.done:
             saw_reply.add(tr.gateway_node_id)
@@ -571,6 +572,12 @@ async def graph_traceroute(request):
         elif path[-1] != tr.gateway_node_id:
             # It seems some nodes add them self to the list before uplinking
             path.append(tr.gateway_node_id)
+
+        for node_id in path[-2:]:
+            if node_id not in node_seen_time:
+                if tr.import_time:
+                    node_seen_time[node_id] = tr.import_time
+
         mqtt_nodes.add(tr.gateway_node_id)
         node_color[path[-1]] = '#' + hex(hash(tuple(path)))[3:9]
         paths.add(tuple(path))
@@ -579,12 +586,21 @@ async def graph_traceroute(request):
     for path in paths:
         used_nodes.update(path)
 
+    import_times = [tr.import_time for tr in traceroutes if tr.import_time]
+    if import_times:
+        first_time = min(import_times)
+    else:
+        first_time = 0
+
     for node_id in used_nodes:
         node = await nodes[node_id]
         if not node:
             node_name = node_id_to_hex(node_id)
         else:
             node_name = f'[{node.short_name}] {node.long_name} - {node_id_to_hex(node_id)}'
+        if node_id in node_seen_time:
+            ms = (node_seen_time[node_id] - first_time).total_seconds() / 1000
+            node_name += f'\n {ms:.2f}ms'
         style = 'dashed'
         if node_id == dest:
             style = 'filled'