experiments: add reference to network in E2ETopologyNode

experiments/simbricks/orchestration/e2e_components.py

@@ -156,6 +156,7 @@ class E2ETopologyNode(E2EComponent):
     def __init__(self, idd: str) -> None:
         super().__init__(idd)
         self.category = "TopologyNode"
+        self.network = None
 
 
 class E2ESwitchNode(E2ETopologyNode):

experiments/simbricks/orchestration/simulators.py

@@ -928,6 +928,8 @@ class NS3E2ENet(NetSim):
             self.e2e_topologies.append(component)
         else:
             self.e2e_components.append(component)
+            if isinstance(component, e2e.E2ETopologyNode):
+                component.network = self
 
     def resolve_socket_paths(
         self,