grpc/pygui: edit_link will now broadcast link changes, pygui now handles receiving this data

daemon/core/gui/coreclient.py

@@ -216,6 +216,10 @@ class CoreClient:
                 self.app.canvas.organize()
             elif event.message_type == MessageType.DELETE:
                 self.app.canvas.delete_wired_edge(canvas_node1, canvas_node2)
+            elif event.message_type == MessageType.NONE:
+                self.app.canvas.update_wired_edge(
+                    canvas_node1, canvas_node2, event.link
+                )
             else:
                 logging.warning("unknown link event: %s", event)
 

daemon/core/gui/graph/graph.py

@@ -262,6 +262,13 @@ class CanvasGraph(tk.Canvas):
             return
         self.delete_edge(edge)
 
+    def update_wired_edge(self, src: CanvasNode, dst: CanvasNode, link: Link) -> None:
+        token = create_edge_token(src.id, dst.id)
+        edge = self.edges.get(token)
+        if not edge:
+            return
+        edge.link.options.CopyFrom(link.options)
+
     def add_wireless_edge(self, src: CanvasNode, dst: CanvasNode, link: Link) -> None:
         network_id = link.network_id if link.network_id else None
         token = create_edge_token(src.id, dst.id, network_id)
@@ -350,9 +357,8 @@ class CanvasGraph(tk.Canvas):
             dst_node.wireless_edges.remove(edge)
         self.wireless_edges.clear()
 
-        # clear all middle edge labels
-        for edge in self.edges.values():
-            edge.reset()
+        # clear throughputs
+        self.clear_throughputs()
 
     def canvas_xy(self, event: tk.Event) -> Tuple[float, float]:
         """