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mirror of https://github.com/cwinfo/yggdrasil-map synced 2024-11-23 18:41:36 +00:00
yggdrasil-map/scripts/crawl-dht.py
2018-12-08 00:41:40 -06:00

76 lines
2.6 KiB
Python

import json
import socket
import sys
import time
#gives the option to get data from an external server instead and send that
#if no options given it will default to localhost instead
if len(sys.argv) == 3:
host_port = (sys.argv[1], int(sys.argv[2]))
else:
host_port = ('localhost', 9001)
def getDHTPingRequest(key, coords, target=None):
if target:
return '{{"keepalive":true, "request":"dhtPing", "box_pub_key":"{}", "coords":"{}", "target":"{}"}}'.format(key, coords, target)
else:
return '{{"keepalive":true, "request":"dhtPing", "box_pub_key":"{}", "coords":"{}"}}'.format(key, coords)
def doRequest(req):
try:
ygg = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
ygg.connect(host_port)
ygg.send(req)
data = json.loads(ygg.recv(1024*15))
return data
except:
return None
visited = dict() # Add nodes after a successful lookup response
rumored = dict() # Add rumors about nodes to ping
timedout = dict()
def handleResponse(address, info, data):
global visited
global rumored
global timedout
timedout[str(address)] = {'box_pub_key':str(info['box_pub_key']), 'coords':str(info['coords'])}
if not data: return
if 'response' not in data: return
if 'nodes' not in data['response']: return
for addr,rumor in data['response']['nodes'].iteritems():
if addr in visited: continue
rumored[addr] = rumor
if address not in visited:
# TODO? remove this, it's debug output that happens to be in the same format as yakamo's "current" json file
now = time.time()
visited[str(address)] = {'box_pub_key':str(info['box_pub_key']), 'coords':str(info['coords']), 'time':now}
if address in timedout: del timedout[address]
if len(visited) > 1: sys.stdout.write(",\n")
sys.stdout.write('"{}": ["{}", {}]'.format(address, info['coords'], int(now)))
sys.stdout.flush()
# End handleResponse
# Get self info
selfInfo = doRequest('{"keepalive":true, "request":"getSelf"}')
# Initialize dicts of visited/rumored nodes
for k,v in selfInfo['response']['self'].iteritems(): rumored[k] = v
# Loop over rumored nodes and ping them, adding to visited if they respond
print '{"yggnodes": {'
while len(rumored) > 0:
for k,v in rumored.iteritems():
handleResponse(k, v, doRequest(getDHTPingRequest(v['box_pub_key'], v['coords'])))
# These next two are imperfect workarounds to deal with old kad nodes
handleResponse(k, v, doRequest(getDHTPingRequest(v['box_pub_key'], v['coords'], '0'*128)))
handleResponse(k, v, doRequest(getDHTPingRequest(v['box_pub_key'], v['coords'], 'f'*128)))
break
del rumored[k]
print '\n}}'
#End
# TODO do something with the results
#print visited
#print timedout