def _attach_stub_client(self, ann, lp):
# There might be a v1 subscriber for whom this is a stub_client.
# We might have received the subscription before the stub_client
# announcement, in which case we now need to fix up the record in
# self._subscriptions .
# record it for later, in case the stub_client arrived before the
# subscription
subscriber_info = self._get_subscriber_info_from_ann(ann)
ann_tubid = get_tubid_string_from_ann(ann)
self._stub_client_announcements[ann_tubid] = subscriber_info
lp2 = self.log("stub_client announcement, "
"looking for matching subscriber",
parent=lp, level=log.NOISY, umid="BTywDg")
for sn in self._subscribers:
s = self._subscribers[sn]
for (subscriber, info) in s.items():
# we correlate these by looking for a subscriber whose tubid
# matches this announcement
sub_tubid = subscriber.getRemoteTubID()
if sub_tubid == ann_tubid:
self.log(format="found a match, nodeid=%(nodeid)s",
nodeid=sub_tubid,
level=log.NOISY, parent=lp2, umid="xsWs1A")
# found a match. Does it need info?
if not info[0]:
self.log(format="replacing info",
level=log.NOISY, parent=lp2, umid="m5kxwA")
# yup
s[subscriber] = (subscriber_info, info[1])
def _process_announcement(self, ann, key_s):
self._debug_counts["inbound_announcement"] += 1
service_name = str(ann["service-name"])
if service_name not in self._subscribed_service_names:
self.log("announcement for a service we don't care about [%s]"
% (service_name,), level=log.UNUSUAL, umid="dIpGNA")
self._debug_counts["wrong_service"] += 1
return
# for ASCII values, simplejson might give us unicode *or* bytes
if "nickname" in ann and isinstance(ann["nickname"], str):
ann["nickname"] = unicode(ann["nickname"])
nick_s = ann.get("nickname",u"").encode("utf-8")
lp2 = self.log(format="announcement for nickname '%(nick)s', service=%(svc)s: %(ann)s",
nick=nick_s, svc=service_name, ann=ann, umid="BoKEag")
# how do we describe this node in the logs?
desc_bits = []
if key_s:
desc_bits.append("serverid=" + key_s[:20])
if "anonymous-storage-FURL" in ann:
tubid_s = get_tubid_string_from_ann(ann)
desc_bits.append("tubid=" + tubid_s[:8])
description = "/".join(desc_bits)
# the index is used to track duplicates
index = make_index(ann, key_s)
# is this announcement a duplicate?
if (index in self._current_announcements
and self._current_announcements[index][0] == ann):
self.log(format="reannouncement for [%(service)s]:%(description)s, ignoring",
service=service_name, description=description,
parent=lp2, level=log.UNUSUAL, umid="B1MIdA")
self._debug_counts["duplicate_announcement"] += 1
return
# does it update an existing one?
if index in self._current_announcements:
self._debug_counts["update"] += 1
self.log("replacing old announcement: %s" % (ann,),
parent=lp2, level=log.NOISY, umid="wxwgIQ")
else:
self._debug_counts["new_announcement"] += 1
self.log("new announcement[%s]" % service_name,
parent=lp2, level=log.NOISY)
self._current_announcements[index] = (ann, key_s, time.time())
# note: we never forget an index, but we might update its value
for (service_name2,cb,args,kwargs) in self._local_subscribers:
if service_name2 == service_name:
eventually(cb, key_s, ann, *args, **kwargs)
def _attach_stub_client(self, ann, lp):
# There might be a v1 subscriber for whom this is a stub_client.
# We might have received the subscription before the stub_client
# announcement, in which case we now need to fix up the record in
# self._subscriptions .
# record it for later, in case the stub_client arrived before the
# subscription
subscriber_info = self._get_subscriber_info_from_ann(ann)
ann_tubid = get_tubid_string_from_ann(ann)
self._stub_client_announcements[ann_tubid] = subscriber_info
lp2 = self.log(
"stub_client announcement, "
"looking for matching subscriber",
parent=lp,
level=log.NOISY,
umid="BTywDg")
for sn in self._subscribers:
s = self._subscribers[sn]
for (subscriber, info) in s.items():
# we correlate these by looking for a subscriber whose tubid
# matches this announcement
sub_tubid = subscriber.getRemoteTubID()
if sub_tubid == ann_tubid:
self.log(format="found a match, nodeid=%(nodeid)s",
nodeid=sub_tubid,
level=log.NOISY,
parent=lp2,
umid="xsWs1A")
# found a match. Does it need info?
if not info[0]:
self.log(format="replacing info",
level=log.NOISY,
parent=lp2,
umid="m5kxwA")
# yup
s[subscriber] = (subscriber_info, info[1])
def _process_announcement(self, ann, key_s):
self._debug_counts["inbound_announcement"] += 1
service_name = str(ann["service-name"])
if service_name not in self._subscribed_service_names:
self.log("announcement for a service we don't care about [%s]"
% (service_name,), level=log.UNUSUAL, umid="dIpGNA")
self._debug_counts["wrong_service"] += 1
return
# for ASCII values, simplejson might give us unicode *or* bytes
if "nickname" in ann and isinstance(ann["nickname"], str):
ann["nickname"] = unicode(ann["nickname"])
nick_s = ann.get("nickname",u"").encode("utf-8")
lp2 = self.log(format="announcement for nickname '%(nick)s', service=%(svc)s: %(ann)s",
nick=nick_s, svc=service_name, ann=ann, umid="BoKEag")
# how do we describe this node in the logs?
desc_bits = []
assert key_s
desc_bits.append("serverid=" + key_s[:20])
if "anonymous-storage-FURL" in ann:
tubid_s = get_tubid_string_from_ann(ann)
desc_bits.append("tubid=" + tubid_s[:8])
description = "/".join(desc_bits)
# the index is used to track duplicates
index = (service_name, key_s)
# is this announcement a duplicate?
if (index in self._inbound_announcements
and self._inbound_announcements[index][0] == ann):
self.log(format="reannouncement for [%(service)s]:%(description)s, ignoring",
service=service_name, description=description,
parent=lp2, level=log.UNUSUAL, umid="B1MIdA")
self._debug_counts["duplicate_announcement"] += 1
return
# does it update an existing one?
if index in self._inbound_announcements:
old,_,_ = self._inbound_announcements[index]
if "seqnum" in old:
# must beat previous sequence number to replace
if ("seqnum" not in ann
or not isinstance(ann["seqnum"], (int,long))):
self.log("not replacing old announcement, no valid seqnum: %s"
% (ann,),
parent=lp2, level=log.NOISY, umid="zFGH3Q")
return
if ann["seqnum"] <= old["seqnum"]:
# note that exact replays are caught earlier, by
# comparing the entire signed announcement.
self.log("not replacing old announcement, "
"new seqnum is too old (%s <= %s) "
"(replay attack?): %s"
% (ann["seqnum"], old["seqnum"], ann),
parent=lp2, level=log.UNUSUAL, umid="JAAAoQ")
return
# ok, seqnum is newer, allow replacement
self._debug_counts["update"] += 1
self.log("replacing old announcement: %s" % (ann,),
parent=lp2, level=log.NOISY, umid="wxwgIQ")
else:
self._debug_counts["new_announcement"] += 1
self.log("new announcement[%s]" % service_name,
parent=lp2, level=log.NOISY)
self._inbound_announcements[index] = (ann, key_s, time.time())
self._save_announcements()
# note: we never forget an index, but we might update its value
self._deliver_announcements(key_s, ann)
def got(key_s_or_tubid, ann, announcements):
index = key_s_or_tubid or get_tubid_string_from_ann(ann)
announcements[index] = ann
def got(key_s_or_tubid, ann, announcements):
index = key_s_or_tubid or get_tubid_string_from_ann(ann)
announcements[index] = ann
def got(key_s_or_tubid, ann, announcements, i):
if i == 0:
index = get_tubid_string_from_ann(ann)
else:
index = key_s_or_tubid or get_tubid_string_from_ann(ann)
announcements[index] = ann
def _process_announcement(self, ann, key_s):
precondition(isinstance(key_s, bytes), key_s)
self._debug_counts["inbound_announcement"] += 1
service_name = str(ann["service-name"])
if service_name not in self._subscribed_service_names:
self.log("announcement for a service we don't care about [%s]" %
(service_name, ),
level=log.UNUSUAL,
umid="dIpGNA")
self._debug_counts["wrong_service"] += 1
return
# for ASCII values, simplejson might give us unicode *or* bytes
if "nickname" in ann and isinstance(ann["nickname"], bytes):
ann["nickname"] = unicode(ann["nickname"])
nick_s = ann.get("nickname", u"").encode("utf-8")
lp2 = self.log(
format=
"announcement for nickname '%(nick)s', service=%(svc)s: %(ann)s",
nick=nick_s,
svc=service_name,
ann=ann,
umid="BoKEag")
# how do we describe this node in the logs?
desc_bits = []
assert key_s
desc_bits.append(b"serverid=" + key_s[:20])
if "anonymous-storage-FURL" in ann:
tubid_s = get_tubid_string_from_ann(ann)
desc_bits.append(b"tubid=" + tubid_s[:8])
description = b"/".join(desc_bits)
# the index is used to track duplicates
index = (service_name, key_s)
# is this announcement a duplicate?
if (index in self._inbound_announcements
and self._inbound_announcements[index][0] == ann):
self.log(
format=
"reannouncement for [%(service)s]:%(description)s, ignoring",
service=service_name,
description=description,
parent=lp2,
level=log.UNUSUAL,
umid="B1MIdA")
self._debug_counts["duplicate_announcement"] += 1
return
# does it update an existing one?
if index in self._inbound_announcements:
old, _, _ = self._inbound_announcements[index]
if "seqnum" in old:
# must beat previous sequence number to replace
if ("seqnum" not in ann
or not isinstance(ann["seqnum"], (int, long))):
self.log(
"not replacing old announcement, no valid seqnum: %s" %
(ann, ),
parent=lp2,
level=log.NOISY,
umid="zFGH3Q")
return
if ann["seqnum"] <= old["seqnum"]:
# note that exact replays are caught earlier, by
# comparing the entire signed announcement.
self.log("not replacing old announcement, "
"new seqnum is too old (%s <= %s) "
"(replay attack?): %s" %
(ann["seqnum"], old["seqnum"], ann),
parent=lp2,
level=log.UNUSUAL,
umid="JAAAoQ")
return
# ok, seqnum is newer, allow replacement
self._debug_counts["update"] += 1
self.log("replacing old announcement: %s" % (ann, ),
parent=lp2,
level=log.NOISY,
umid="wxwgIQ")
else:
self._debug_counts["new_announcement"] += 1
self.log("new announcement[%s]" % service_name,
parent=lp2,
level=log.NOISY)
self._inbound_announcements[index] = (ann, key_s, time.time())
self._save_announcements()
# note: we never forget an index, but we might update its value
self._deliver_announcements(key_s, ann)
def _process_announcement(self, ann, key_s):
self._debug_counts["inbound_announcement"] += 1
service_name = str(ann["service-name"])
if service_name not in self._subscribed_service_names:
self.log("announcement for a service we don't care about [%s]" %
(service_name, ),
level=log.UNUSUAL,
umid="dIpGNA")
self._debug_counts["wrong_service"] += 1
return
# for ASCII values, simplejson might give us unicode *or* bytes
if "nickname" in ann and isinstance(ann["nickname"], str):
ann["nickname"] = unicode(ann["nickname"])
nick_s = ann.get("nickname", u"").encode("utf-8")
lp2 = self.log(
format=
"announcement for nickname '%(nick)s', service=%(svc)s: %(ann)s",
nick=nick_s,
svc=service_name,
ann=ann,
umid="BoKEag")
# how do we describe this node in the logs?
desc_bits = []
if key_s:
desc_bits.append("serverid=" + key_s[:20])
if "anonymous-storage-FURL" in ann:
tubid_s = get_tubid_string_from_ann(ann)
desc_bits.append("tubid=" + tubid_s[:8])
description = "/".join(desc_bits)
# the index is used to track duplicates
index = make_index(ann, key_s)
# is this announcement a duplicate?
if (index in self._current_announcements
and self._current_announcements[index][0] == ann):
self.log(
format=
"reannouncement for [%(service)s]:%(description)s, ignoring",
service=service_name,
description=description,
parent=lp2,
level=log.UNUSUAL,
umid="B1MIdA")
self._debug_counts["duplicate_announcement"] += 1
return
# does it update an existing one?
if index in self._current_announcements:
self._debug_counts["update"] += 1
self.log("replacing old announcement: %s" % (ann, ),
parent=lp2,
level=log.NOISY,
umid="wxwgIQ")
else:
self._debug_counts["new_announcement"] += 1
self.log("new announcement[%s]" % service_name,
parent=lp2,
level=log.NOISY)
self._current_announcements[index] = (ann, key_s, time.time())
# note: we never forget an index, but we might update its value
for (service_name2, cb, args, kwargs) in self._local_subscribers:
if service_name2 == service_name:
eventually(cb, key_s, ann, *args, **kwargs)
def got(key_s_or_tubid, ann, announcements, i):
if i == 0:
index = get_tubid_string_from_ann(ann)
else:
index = key_s_or_tubid or get_tubid_string_from_ann(ann)
announcements[index] = ann