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PyBitmessage/src/helper_bootstrap.py

55 lines
2.6 KiB

import shared
import socket
import defaultKnownNodes
import pickle
import time
def knownNodes():
try:
# We shouldn't have to use the shared.knownNodesLock because this had
# better be the only thread accessing knownNodes right now.
pickleFile = open(shared.appdata + 'knownnodes.dat', 'rb')
loadedKnownNodes = pickle.load(pickleFile)
pickleFile.close()
# The old format of storing knownNodes was as a 'host: (port, time)'
# mapping. The new format is as 'Peer: time' pairs. If we loaded
# data in the old format, transform it to the new style.
for stream, nodes in loadedKnownNodes.items():
shared.knownNodes[stream] = {}
for node_tuple in nodes.items():
try:
host, (port, time) = node_tuple
peer = shared.Peer(host, port)
except:
peer, time = node_tuple
shared.knownNodes[stream][peer] = time
except:
shared.knownNodes = defaultKnownNodes.createDefaultKnownNodes(shared.appdata)
if shared.config.getint('bitmessagesettings', 'settingsversion') > 10:
print 'Bitmessage cannot read future versions of the keys file (keys.dat). Run the newer version of Bitmessage.'
raise SystemExit
def dns():
# DNS bootstrap. This could be programmed to use the SOCKS proxy to do the
# DNS lookup some day but for now we will just rely on the entries in
# defaultKnownNodes.py. Hopefully either they are up to date or the user
# has run Bitmessage recently without SOCKS turned on and received good
# bootstrap nodes using that method.
with shared.printLock:
if shared.config.get('bitmessagesettings', 'socksproxytype') == 'none':
try:
for item in socket.getaddrinfo('bootstrap8080.bitmessage.org', 80):
print 'Adding', item[4][0], 'to knownNodes based on DNS boostrap method'
shared.knownNodes[1][shared.Peer(item[4][0], 8080)] = int(time.time())
except:
print 'bootstrap8080.bitmessage.org DNS bootstrapping failed.'
try:
for item in socket.getaddrinfo('bootstrap8444.bitmessage.org', 80):
print 'Adding', item[4][0], 'to knownNodes based on DNS boostrap method'
shared.knownNodes[1][shared.Peer(item[4][0], 8444)] = int(time.time())
except:
print 'bootstrap8444.bitmessage.org DNS bootstrapping failed.'
else:
print 'DNS bootstrap skipped because SOCKS is used.'