From b719d0e21d6f0fb8476fbd8acc50f0a01ebbf804 Mon Sep 17 00:00:00 2001
From: Felix Richter <Felix.Richter@syntax-fehler.de>
Date: Wed, 11 May 2011 13:48:07 +0200
Subject: refactored parse.py

parse.py: now also writes the number of current connections
---
 retiolum/hosts/.scripts/parse.py    | 32 ++++++++++++++++++++++++++++++--
 retiolum/hosts/.scripts/sanitize.sh |  2 +-
 2 files changed, 31 insertions(+), 3 deletions(-)

diff --git a/retiolum/hosts/.scripts/parse.py b/retiolum/hosts/.scripts/parse.py
index 951fce94..54f6c35d 100755
--- a/retiolum/hosts/.scripts/parse.py
+++ b/retiolum/hosts/.scripts/parse.py
@@ -1,24 +1,52 @@
 #!/usr/bin/python2
 
 import sys
+""" TODO: Refactoring needed to pull the edges out of the node structures again,
+it should be easier to handle both structures"""
 
 def write_digraph(nodes):
-  print ('digraph retiolum {')
+  """
+  writes the complete digraph in dot format
+  """
+  print ('graph retiolum {')
   print ('  node[shape=box,style=filled,fillcolor=grey]')
+  generate_stats(nodes)
+  merge_edges(nodes)
   for k,v in nodes.iteritems():
     write_node(k,v)
   print ('}')
+def generate_stats(nodes):
+  """ Generates some statistics of the network and nodes
+  """
+  for k,v in nodes.iteritems():
+    v['num_conns'] = len(v.get('to',[]))
+
+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[con['name']].get('to',[])):
+        if k == secon['name']:
+          del (nodes[con['name']]['to'][i])
+
+
 def write_node(k,v):
+  """ writes a single node and its edges """
   node = "  "+k+"[label=\""
   node += k+"\\l"
   node += "external:"+v['external-ip']+":"+v['external-port']+"\\l"
+  if v.has_key('num_conns'):
+    node += "Num Connects:"+str(v['num_conns'])+"\\l"
   node += "internal:"+v['internal-ip']+"\\l\""
   if v['external-ip'] == "MYSELF":
     node += ",fillcolor=steelblue1"
   node += "]"
   print (node)
   for con in v.get('to',[]):
-    print "  "+k+ "->" +con['name'] + "[weight="+str(10/float(con['weight']))+"]"
+    print "  "+k+ " -- " +con['name'] + "[weight="+str(10/float(con['weight']))+"]"
 
 def parse_input():
   nodes={}
diff --git a/retiolum/hosts/.scripts/sanitize.sh b/retiolum/hosts/.scripts/sanitize.sh
index 75a04af1..0342d98b 100755
--- a/retiolum/hosts/.scripts/sanitize.sh
+++ b/retiolum/hosts/.scripts/sanitize.sh
@@ -1,2 +1,2 @@
-sudo sed -n '/tinc.retiolum/{s/.*tinc.retiolum\[[1-9]*\]: //gp}' /var/log/everything.log |  ./parse.py | tee here.dot | dot -Tpng -o retiolum.png
+sudo sed -n '/tinc.retiolum/{s/.*tinc.retiolum\[[1-9]*\]: //gp}' /var/log/everything.log |  ./parse.py | tee retiolum.dot | dot -Tpng -o retiolum.png
 mirage retiolum.png
-- 
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