yggdrasil-map/scripts/ratio.py

#!/usr/bin/env python2.7

import json

with open("current", "r") as f:
  data = json.loads(f.read())

kinds = ["peers", "dht", "ratio"]
results = dict()
for kind in kinds:
  results[kind] = dict()

for k,v in data["yggnodes"].iteritems():
  for kind in kinds:
    if kind not in v: continue
    num = len(v[kind])
    if num not in results[kind]: results[kind][num] = 0
    results[kind][num] += 1
  # Added ratio part
  if "dht" in v and "peers" in v:
    ratio = float(len(v["dht"]))/len(v["peers"])
    if ratio not in results["ratio"]: results["ratio"][ratio] = 0
    results["ratio"][ratio] += 1

import matplotlib.pyplot as plt
fig, axs = plt.subplots(1, len(kinds), sharey=True, tight_layout=True)
for kdx in xrange(len(kinds)):
  kind = kinds[kdx]
  bins = []
  for num,count in results[kind].iteritems():
    bins += [num]*count
  nbins = max(results[kind].keys())+1
  axs[kdx].set_title(kind)
  if kind == "ratio":
    nbins="auto"
    axs[kdx].set_title("ratio (dht/peers)")
  axs[kdx].hist(bins, bins=nbins)
plt.savefig("fig.svg")
plt.yscale('log')
plt.savefig("fig-logy.svg")

print results