refactor tinc_stats into a single python module

1 files changed, 44 insertions, 0 deletions

diff --git a/retiolum/scripts/adv_graphgen/tinc_stats/Graph.py b/retiolum/scripts/adv_graphgen/tinc_stats/Graph.py
new file mode 100644
index 00000000..26db3030
--- /dev/null
+++ b/retiolum/scripts/adv_graphgen/tinc_stats/Graph.py
@@ -0,0 +1,44 @@
+#!/usr/bin/python
+
+def generate_stats(nodes):
+  """ Generates some statistics of the network and nodes
+  """
+  for k,v in nodes.iteritems():
+    conns = v.get('to',[])
+    for c in conns: #sanitize weights
+      if float(c['weight']) > 9000: c['weight'] = str(9001)
+      elif float(c['weight']) < 0: c['weight'] = str(0)
+    v['num_conns'] = len(conns)
+    v['avg_weight'] = get_node_avg_weight(conns)
+
+def get_node_avg_weight(conns):
+  """ calculates the average weight for the given connections """
+  if not conns:
+    sys.syderr.write("get_node_avg_weight: connection parameter empty")
+    return 9001
+  else:
+    return sum([float(c['weight']) for c in conns])/len(conns)
+
+def delete_unused_nodes(nodes):
+  """ Deletes all the nodes which are currently not connected to the network"""
+  new_nodes = {}
+  for k,v in nodes.iteritems():
+    if v['external-ip'] == "(null)":
+      continue
+    if v.get('to',[]):
+      new_nodes[k] = v
+  for k,v in new_nodes.iteritems():
+    if not [ i for i in v['to'] if i['name'] in new_nodes]:
+      del(k)
+  return new_nodes
+
+def merge_edges(nodes):
+  """ merge back and forth edges into one
+  DESTRUCTS the current structure by deleting "connections" in the nodes
+  """
+  for k,v in nodes.iteritems():
+    for con in v.get('to',[]):
+      for i,secon in enumerate(nodes.get(con['name'],{}).get('to',[])):
+        if k == secon['name']:
+          del (nodes[con['name']]['to'][i])
+          con['bidirectional'] = True