premiere-libtorrent/tools/parse_lookup_log.py

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#!/usr/bin/env python
# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
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# this is meant to parse the dht_lookups.log generated by parse_dht_log.py
from __future__ import print_function
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import os
nodes = {}
def get_origin(n):
if n in nodes:
return list(nodes[n]['conns'])
else:
return ['0.0.0.0']
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def calculate_pos(nid, dist):
nid = int(nid[0:7], 16)
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x = 0
y = 0
for i in range(0, 28, 2):
x |= (nid & (1 << i)) >> (i / 2)
y |= (nid & (2 << i)) >> (i / 2 + 1)
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# print '%d -> %d %d' % (dist, x, y)
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return (x / 3, y / 3)
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def plot_nodes(nodes, frame):
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try:
os.mkdir('dht_frames')
except BaseException:
pass
out = open('dht_frames/plot-%02d.dot' % frame, 'w+')
edges = set()
print('graph swarm {', file=out)
# print >>out, '"tl" [shape=point pos="0,0!"];'
# print >>out, '"tr" [shape=point pos="1638,0!"];'
# print >>out, '"ll" [shape=point pos="1638,1638!"];'
# print >>out, '"tr" [shape=point pos="0,1638!"];'
for dst, n in list(nodes.items()):
shape = 'point'
if 's' in n:
shape = n['s']
print('"%s" [shape=%s fillcolor="%s" label="" pos="%d,%d!"];' %
(dst, shape, n['c'], n['p'][0], n['p'][1]), file=out)
for e in n['conns']:
if (e, dst) in edges:
continue
# only add an edge once to the .dot file
edges.add((e, dst))
edges.add((dst, e))
style = 'solid'
col = 'gray'
if nodes[dst]['c'] != 'white' and nodes[e]['c'] != 'white':
style = 'solid'
col = 'black'
print('"%s" -- "%s" [style="%s" color="%s"];' % (e, dst, style, col), file=out)
print('}', file=out)
out.close()
os.system('neato -n dht_frames/plot-%02d.dot -Tpng -o dht_frames/frame-%02d.png' % (frame, frame))
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frame = 0
next_render_time = 100
f = open('dht_lookups.txt')
for line in f:
if line.startswith('***'):
break
kind = line[0:3].strip()
line = line[3:].strip().split(' ')
if kind == '===':
continue
t = int(line[0])
if t > next_render_time:
plot_nodes(nodes, frame)
frame += 1
next_render_time += 100
# sys.exit(0)
if kind == '<>':
p = calculate_pos(line[1], 0)
dst = '0.0.0.0'
if dst not in nodes:
nodes[dst] = {'conns': set(), 'p': p, 'c': 'blue', 's': 'circle'}
p = calculate_pos(line[2], 25)
dst = '255.255.255.255'
if dst not in nodes:
nodes[dst] = {'conns': set(), 'p': p, 'c': 'yellow', 's': 'circle'}
elif kind == '->':
dst = line[3]
if dst not in nodes:
src = get_origin(dst)
p = calculate_pos(line[2], int(line[1]))
nodes[dst] = {'conns': set(src), 'p': p, 'c': 'grey'}
nodes[dst]['c'] = 'grey'
elif kind == '+':
dst = line[3]
src = line[4]
p = calculate_pos(line[2], int(line[1]))
if dst not in nodes:
nodes[dst] = {'conns': set(), 'p': p, 'c': 'white'}
nodes[dst]['conns'].add(src)
elif kind == '<-':
dst = line[3]
nodes[dst]['c'] = 'green'
elif kind == 'x':
dst = line[3]
nodes[dst]['c'] = 'orange'
elif kind == 'X':
dst = line[3]
nodes[dst]['c'] = 'red'
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f.close()