def dumpAssignments(self, f, description=""):
logging.info("Dumping bridge assignments for %s..." % self.name)
for b in self.bridges.itervalues():
desc = [ description ]
ident = b.getID()
for tp,val,_,subring in self.subrings:
if subring.getBridgeByID(ident):
desc.append("%s=%s"%(tp,val))
f.write("%s %s\n"%( toHex(ident), " ".join(desc).strip()))
def dumpAssignments(self, f, description=""):
logging.info("Dumping bridge assignments for %s..." % self.name)
for b in self.bridges.itervalues():
desc = [description]
ident = b.getID()
for tp, val, _, subring in self.subrings:
if subring.getBridgeByID(ident):
desc.append("%s=%s" % (tp, val))
f.write("%s %s\n" % (toHex(ident), " ".join(desc).strip()))
def filterDistinctSubnets(self, fingerprints):
"""Given a chosen set of ``fingerprints`` of bridges to distribute,
filter the bridges such that they are in distinct subnets.
"""
logging.debug("Got %d possible bridges to filter" % len(fingerprints))
bridges = []
subnets = []
for fingerprint in fingerprints:
bridge = self.bridges[fingerprint]
jump = False
# HOTFIX for https://bugs.torproject.org/26150
if not bridge.address:
logging.error(
"Got strange bridge with no address field set: %s" %
toHex(fingerprint))
continue
for subnet in subnets:
if bridge.address in subnet:
jump = True
logging.debug((
"Skipping distribution of bridge %s in a subnet which "
"contains another bridge we're already distributing") %
bridge)
break
if jump:
continue
bridges.append(bridge)
if bridge.address.version == 4:
cidr = str(bridge.address) + "/16"
else:
cidr = str(bridge.address) + "/32"
subnets.append(ipaddr.IPNetwork(cidr))
return bridges
def filterDistinctSubnets(self, fingerprints):
"""Given a chosen set of ``fingerprints`` of bridges to distribute,
filter the bridges such that they are in distinct subnets.
"""
logging.debug("Got %d possible bridges to filter" % len(fingerprints))
bridges = []
subnets = []
for fingerprint in fingerprints:
bridge = self.bridges[fingerprint]
jump = False
# HOTFIX for https://bugs.torproject.org/26150
if not bridge.address:
logging.error("Got strange bridge with no address field set: %s"
% toHex(fingerprint))
continue
for subnet in subnets:
if bridge.address in subnet:
jump = True
logging.debug(
("Skipping distribution of bridge %s in a subnet which "
"contains another bridge we're already distributing")
% bridge)
break
if jump:
continue
bridges.append(bridge)
if bridge.address.version == 4:
cidr = str(bridge.address) + "/16"
else:
cidr = str(bridge.address) + "/32"
subnets.append(ipaddr.IPNetwork(cidr))
return bridges
def dumpAssignments(self, f, description=""):
# one ring per filter set
# bridges may be present in multiple filter sets
# only one line should be dumped per bridge
for b in self.bridges:
# gather all the filter descriptions
desc = []
for n,(g,r) in self.filterRings.items():
if g(b):
# ghetto. get subring flags, ports
for tp,val,_,subring in r.subrings:
if subring.getBridgeByID(b.getID()):
desc.append("%s=%s"%(tp,val))
try:
desc.extend(g.description.split())
except TypeError:
desc.append(g.description)
# add transports
logging.debug("%s supports %d transports" % (b, len(b.transports)))
for transport in b.transports:
desc.append("transport=%s"%(transport.methodname))
# dedupe and group
desc = set(desc)
grouped = dict()
for kw in desc:
l,r = kw.split('=')
try:
grouped[l] = "%s,%s"%(grouped[l],r)
except KeyError:
grouped[l] = kw
# add to assignments
desc = "%s %s" % (description.strip(),
" ".join([v for k,v in grouped.items()]).strip())
f.write("%s %s\n"%( toHex(b.getID()), desc))
def dumpAssignments(self, f, description=""):
# one ring per filter set
# bridges may be present in multiple filter sets
# only one line should be dumped per bridge
for b in self.bridges:
# gather all the filter descriptions
desc = []
for n, (g, r) in self.filterRings.items():
if g(b):
# ghetto. get subring flags, ports
for tp, val, _, subring in r.subrings:
if subring.getBridgeByID(b.getID()):
desc.append("%s=%s" % (tp, val))
try:
desc.extend(g.description.split())
except TypeError:
desc.append(g.description)
# add transports
logging.debug("%s supports %d transports" % (b, len(b.transports)))
for transport in b.transports:
desc.append("transport=%s" % (transport.methodname))
# dedupe and group
desc = set(desc)
grouped = dict()
for kw in desc:
l, r = kw.split('=')
try:
grouped[l] = "%s,%s" % (grouped[l], r)
except KeyError:
grouped[l] = kw
# add to assignments
desc = "%s %s" % (description.strip(), " ".join(
[v for k, v in grouped.items()]).strip())
f.write("%s %s\n" % (toHex(b.getID()), desc))
