Add stubs, neighbors, etc to crawl data

* mark networks as stubs that are never seen in the middle of an aspath
 * add number of neighbors to each node
 * fix bug where route was an unbound variable

backend/crawler.py

@@ -53,6 +53,10 @@ def crawl():
                     asneigh = ASLastSeenNeighbor(asn=neigh, neighbor=asls)
                     asneigh.save()
                     db_neighs.add(neigh)
+
+    crawl.endTime = timezone.now()
+    crawl.save()
+
     log.info("Automated crawl done")
 
 
@@ -94,6 +98,10 @@ def get_current_network():
             log.exception("Could not get data from host %s method %s", host, host.checkMethod)
             continue
 
+    # add neighbor count
+    for node, data in net.nodes(data=True):
+        data["neighbors"] = len(list(net.neighbors(node)))
+
     log.info("Adding last seen neighbor info")
     for asls in ASLastSeen.objects.all():
         if asls.asn not in net.nodes:
@@ -136,6 +144,7 @@ def _populate_node(net, asn):
     node.setdefault("routing_table", set())
     node.setdefault("directly_crawled", False)
     node.setdefault("online", True)
+    node.setdefault("stub", True)
     return node
 
 
@@ -162,6 +171,8 @@ def _add_data_to_net(net, data):
             if as_path[n] != as_path[n + 1]:
                 if as_path[n + 1] not in net.nodes:
                     _populate_node(net, as_path[n + 1])
+                if as_path[n + 1] not in (as_path[-1], as_path[0]):
+                    net.nodes[as_path[n + 1]]['stub'] = False
                 net.add_edge(as_path[n], as_path[n + 1])