mirror of
https://github.com/tahoe-lafs/tahoe-lafs.git
synced 2024-12-28 08:48:53 +00:00
391 lines
17 KiB
Python
391 lines
17 KiB
Python
|
|
import os, re
|
|
from base64 import b32decode
|
|
|
|
from twisted.trial import unittest
|
|
from twisted.internet import defer
|
|
from twisted.python import log
|
|
|
|
from foolscap.api import Tub, Referenceable, fireEventually, flushEventualQueue
|
|
from twisted.application import service
|
|
from allmydata.interfaces import InsufficientVersionError
|
|
from allmydata.introducer.client import IntroducerClient
|
|
from allmydata.introducer.server import IntroducerService
|
|
# test compatibility with old introducer .tac files
|
|
from allmydata.introducer import IntroducerNode
|
|
from allmydata.util import pollmixin
|
|
import allmydata.test.common_util as testutil
|
|
|
|
class LoggingMultiService(service.MultiService):
|
|
def log(self, msg, **kw):
|
|
log.msg(msg, **kw)
|
|
|
|
class Node(testutil.SignalMixin, unittest.TestCase):
|
|
def test_loadable(self):
|
|
basedir = "introducer.IntroducerNode.test_loadable"
|
|
os.mkdir(basedir)
|
|
q = IntroducerNode(basedir)
|
|
d = fireEventually(None)
|
|
d.addCallback(lambda res: q.startService())
|
|
d.addCallback(lambda res: q.when_tub_ready())
|
|
d.addCallback(lambda res: q.stopService())
|
|
d.addCallback(flushEventualQueue)
|
|
return d
|
|
|
|
class ServiceMixin:
|
|
def setUp(self):
|
|
self.parent = LoggingMultiService()
|
|
self.parent.startService()
|
|
def tearDown(self):
|
|
log.msg("TestIntroducer.tearDown")
|
|
d = defer.succeed(None)
|
|
d.addCallback(lambda res: self.parent.stopService())
|
|
d.addCallback(flushEventualQueue)
|
|
return d
|
|
|
|
class Introducer(ServiceMixin, unittest.TestCase, pollmixin.PollMixin):
|
|
|
|
def test_create(self):
|
|
ic = IntroducerClient(None, "introducer.furl", u"my_nickname",
|
|
"my_version", "oldest_version")
|
|
self.failUnless(isinstance(ic, IntroducerClient))
|
|
|
|
def test_listen(self):
|
|
i = IntroducerService()
|
|
i.setServiceParent(self.parent)
|
|
|
|
def test_duplicate(self):
|
|
i = IntroducerService()
|
|
self.failUnlessEqual(len(i.get_announcements()), 0)
|
|
self.failUnlessEqual(len(i.get_subscribers()), 0)
|
|
furl1 = "pb://62ubehyunnyhzs7r6vdonnm2hpi52w6y@192.168.69.247:36106,127.0.0.1:36106/gydnpigj2ja2qr2srq4ikjwnl7xfgbra"
|
|
furl2 = "pb://ttwwooyunnyhzs7r6vdonnm2hpi52w6y@192.168.69.247:36111,127.0.0.1:36106/ttwwoogj2ja2qr2srq4ikjwnl7xfgbra"
|
|
ann1 = (furl1, "storage", "RIStorage", "nick1", "ver23", "ver0")
|
|
ann1b = (furl1, "storage", "RIStorage", "nick1", "ver24", "ver0")
|
|
ann2 = (furl2, "storage", "RIStorage", "nick2", "ver30", "ver0")
|
|
i.remote_publish(ann1)
|
|
self.failUnlessEqual(len(i.get_announcements()), 1)
|
|
self.failUnlessEqual(len(i.get_subscribers()), 0)
|
|
i.remote_publish(ann2)
|
|
self.failUnlessEqual(len(i.get_announcements()), 2)
|
|
self.failUnlessEqual(len(i.get_subscribers()), 0)
|
|
i.remote_publish(ann1b)
|
|
self.failUnlessEqual(len(i.get_announcements()), 2)
|
|
self.failUnlessEqual(len(i.get_subscribers()), 0)
|
|
|
|
class SystemTestMixin(ServiceMixin, pollmixin.PollMixin):
|
|
|
|
def create_tub(self, portnum=0):
|
|
tubfile = os.path.join(self.basedir, "tub.pem")
|
|
self.central_tub = tub = Tub(certFile=tubfile)
|
|
#tub.setOption("logLocalFailures", True)
|
|
#tub.setOption("logRemoteFailures", True)
|
|
tub.setOption("expose-remote-exception-types", False)
|
|
tub.setServiceParent(self.parent)
|
|
l = tub.listenOn("tcp:%d" % portnum)
|
|
self.central_portnum = l.getPortnum()
|
|
if portnum != 0:
|
|
assert self.central_portnum == portnum
|
|
tub.setLocation("localhost:%d" % self.central_portnum)
|
|
|
|
class SystemTest(SystemTestMixin, unittest.TestCase):
|
|
|
|
def test_system(self):
|
|
self.basedir = "introducer/SystemTest/system"
|
|
os.makedirs(self.basedir)
|
|
return self.do_system_test(IntroducerService)
|
|
test_system.timeout = 480 # occasionally takes longer than 350s on "draco"
|
|
|
|
def do_system_test(self, create_introducer):
|
|
self.create_tub()
|
|
introducer = create_introducer()
|
|
introducer.setServiceParent(self.parent)
|
|
iff = os.path.join(self.basedir, "introducer.furl")
|
|
tub = self.central_tub
|
|
ifurl = self.central_tub.registerReference(introducer, furlFile=iff)
|
|
self.introducer_furl = ifurl
|
|
|
|
NUMCLIENTS = 5
|
|
# we have 5 clients who publish themselves, and an extra one does
|
|
# which not. When the connections are fully established, all six nodes
|
|
# should have 5 connections each.
|
|
|
|
clients = []
|
|
tubs = {}
|
|
received_announcements = {}
|
|
NUM_SERVERS = NUMCLIENTS
|
|
subscribing_clients = []
|
|
publishing_clients = []
|
|
|
|
for i in range(NUMCLIENTS+1):
|
|
tub = Tub()
|
|
#tub.setOption("logLocalFailures", True)
|
|
#tub.setOption("logRemoteFailures", True)
|
|
tub.setOption("expose-remote-exception-types", False)
|
|
tub.setServiceParent(self.parent)
|
|
l = tub.listenOn("tcp:0")
|
|
portnum = l.getPortnum()
|
|
tub.setLocation("localhost:%d" % portnum)
|
|
|
|
log.msg("creating client %d: %s" % (i, tub.getShortTubID()))
|
|
c = IntroducerClient(tub, self.introducer_furl, u"nickname-%d" % i,
|
|
"version", "oldest")
|
|
received_announcements[c] = {}
|
|
def got(serverid, ann_d, announcements):
|
|
announcements[serverid] = ann_d
|
|
c.subscribe_to("storage", got, received_announcements[c])
|
|
subscribing_clients.append(c)
|
|
|
|
if i < NUMCLIENTS:
|
|
node_furl = tub.registerReference(Referenceable())
|
|
c.publish(node_furl, "storage", "ri_name")
|
|
publishing_clients.append(c)
|
|
# the last one does not publish anything
|
|
|
|
c.setServiceParent(self.parent)
|
|
clients.append(c)
|
|
tubs[c] = tub
|
|
|
|
def _wait_for_all_connections():
|
|
for c in subscribing_clients:
|
|
if len(received_announcements[c]) < NUM_SERVERS:
|
|
return False
|
|
return True
|
|
d = self.poll(_wait_for_all_connections)
|
|
|
|
def _check1(res):
|
|
log.msg("doing _check1")
|
|
dc = introducer._debug_counts
|
|
self.failUnlessEqual(dc["inbound_message"], NUM_SERVERS)
|
|
self.failUnlessEqual(dc["inbound_duplicate"], 0)
|
|
self.failUnlessEqual(dc["inbound_update"], 0)
|
|
self.failUnless(dc["outbound_message"])
|
|
|
|
for c in clients:
|
|
self.failUnless(c.connected_to_introducer())
|
|
for c in subscribing_clients:
|
|
cdc = c._debug_counts
|
|
self.failUnless(cdc["inbound_message"])
|
|
self.failUnlessEqual(cdc["inbound_announcement"],
|
|
NUM_SERVERS)
|
|
self.failUnlessEqual(cdc["wrong_service"], 0)
|
|
self.failUnlessEqual(cdc["duplicate_announcement"], 0)
|
|
self.failUnlessEqual(cdc["update"], 0)
|
|
self.failUnlessEqual(cdc["new_announcement"],
|
|
NUM_SERVERS)
|
|
anns = received_announcements[c]
|
|
self.failUnlessEqual(len(anns), NUM_SERVERS)
|
|
|
|
nodeid0 = b32decode(tubs[clients[0]].tubID.upper())
|
|
ann_d = anns[nodeid0]
|
|
nick = ann_d["nickname"]
|
|
self.failUnlessEqual(type(nick), unicode)
|
|
self.failUnlessEqual(nick, u"nickname-0")
|
|
for c in publishing_clients:
|
|
cdc = c._debug_counts
|
|
self.failUnlessEqual(cdc["outbound_message"], 1)
|
|
d.addCallback(_check1)
|
|
|
|
# force an introducer reconnect, by shutting down the Tub it's using
|
|
# and starting a new Tub (with the old introducer). Everybody should
|
|
# reconnect and republish, but the introducer should ignore the
|
|
# republishes as duplicates. However, because the server doesn't know
|
|
# what each client does and does not know, it will send them a copy
|
|
# of the current announcement table anyway.
|
|
|
|
d.addCallback(lambda _ign: log.msg("shutting down introducer's Tub"))
|
|
d.addCallback(lambda _ign: self.central_tub.disownServiceParent())
|
|
|
|
def _wait_for_introducer_loss():
|
|
for c in clients:
|
|
if c.connected_to_introducer():
|
|
return False
|
|
return True
|
|
d.addCallback(lambda res: self.poll(_wait_for_introducer_loss))
|
|
|
|
def _restart_introducer_tub(_ign):
|
|
log.msg("restarting introducer's Tub")
|
|
|
|
dc = introducer._debug_counts
|
|
self.expected_count = dc["inbound_message"] + NUM_SERVERS
|
|
self.expected_subscribe_count = dc["inbound_subscribe"] + NUMCLIENTS+1
|
|
introducer._debug0 = dc["outbound_message"]
|
|
for c in subscribing_clients:
|
|
cdc = c._debug_counts
|
|
c._debug0 = cdc["inbound_message"]
|
|
|
|
self.create_tub(self.central_portnum)
|
|
newfurl = self.central_tub.registerReference(introducer,
|
|
furlFile=iff)
|
|
assert newfurl == self.introducer_furl
|
|
d.addCallback(_restart_introducer_tub)
|
|
|
|
def _wait_for_introducer_reconnect():
|
|
# wait until:
|
|
# all clients are connected
|
|
# the introducer has received publish messages from all of them
|
|
# the introducer has received subscribe messages from all of them
|
|
# the introducer has sent (duplicate) announcements to all of them
|
|
# all clients have received (duplicate) announcements
|
|
dc = introducer._debug_counts
|
|
for c in clients:
|
|
if not c.connected_to_introducer():
|
|
return False
|
|
if dc["inbound_message"] < self.expected_count:
|
|
return False
|
|
if dc["inbound_subscribe"] < self.expected_subscribe_count:
|
|
return False
|
|
for c in subscribing_clients:
|
|
cdc = c._debug_counts
|
|
if cdc["inbound_message"] < c._debug0+1:
|
|
return False
|
|
return True
|
|
d.addCallback(lambda res: self.poll(_wait_for_introducer_reconnect))
|
|
|
|
def _check2(res):
|
|
log.msg("doing _check2")
|
|
# assert that the introducer sent out new messages, one per
|
|
# subscriber
|
|
dc = introducer._debug_counts
|
|
self.failUnlessEqual(dc["inbound_message"], 2*NUM_SERVERS)
|
|
self.failUnlessEqual(dc["inbound_duplicate"], NUM_SERVERS)
|
|
self.failUnlessEqual(dc["inbound_update"], 0)
|
|
self.failUnlessEqual(dc["outbound_message"],
|
|
introducer._debug0 + len(subscribing_clients))
|
|
for c in clients:
|
|
self.failUnless(c.connected_to_introducer())
|
|
for c in subscribing_clients:
|
|
cdc = c._debug_counts
|
|
self.failUnlessEqual(cdc["duplicate_announcement"], NUM_SERVERS)
|
|
d.addCallback(_check2)
|
|
|
|
# Then force an introducer restart, by shutting down the Tub,
|
|
# destroying the old introducer, and starting a new Tub+Introducer.
|
|
# Everybody should reconnect and republish, and the (new) introducer
|
|
# will distribute the new announcements, but the clients should
|
|
# ignore the republishes as duplicates.
|
|
|
|
d.addCallback(lambda _ign: log.msg("shutting down introducer"))
|
|
d.addCallback(lambda _ign: self.central_tub.disownServiceParent())
|
|
d.addCallback(lambda res: self.poll(_wait_for_introducer_loss))
|
|
|
|
def _restart_introducer(_ign):
|
|
log.msg("restarting introducer")
|
|
self.create_tub(self.central_portnum)
|
|
|
|
for c in subscribing_clients:
|
|
# record some counters for later comparison. Stash the values
|
|
# on the client itself, because I'm lazy.
|
|
cdc = c._debug_counts
|
|
c._debug1 = cdc["inbound_announcement"]
|
|
c._debug2 = cdc["inbound_message"]
|
|
c._debug3 = cdc["new_announcement"]
|
|
newintroducer = create_introducer()
|
|
self.expected_message_count = NUM_SERVERS
|
|
self.expected_announcement_count = NUM_SERVERS*len(subscribing_clients)
|
|
self.expected_subscribe_count = len(subscribing_clients)
|
|
newfurl = self.central_tub.registerReference(newintroducer,
|
|
furlFile=iff)
|
|
assert newfurl == self.introducer_furl
|
|
d.addCallback(_restart_introducer)
|
|
def _wait_for_introducer_reconnect2():
|
|
# wait until:
|
|
# all clients are connected
|
|
# the introducer has received publish messages from all of them
|
|
# the introducer has received subscribe messages from all of them
|
|
# the introducer has sent announcements for everybody to everybody
|
|
# all clients have received all the (duplicate) announcements
|
|
# at that point, the system should be quiescent
|
|
dc = introducer._debug_counts
|
|
for c in clients:
|
|
if not c.connected_to_introducer():
|
|
return False
|
|
if dc["inbound_message"] < self.expected_message_count:
|
|
return False
|
|
if dc["outbound_announcements"] < self.expected_announcement_count:
|
|
return False
|
|
if dc["inbound_subscribe"] < self.expected_subscribe_count:
|
|
return False
|
|
for c in subscribing_clients:
|
|
cdc = c._debug_counts
|
|
if cdc["inbound_announcement"] < c._debug1+NUM_SERVERS:
|
|
return False
|
|
return True
|
|
d.addCallback(lambda res: self.poll(_wait_for_introducer_reconnect2))
|
|
|
|
def _check3(res):
|
|
log.msg("doing _check3")
|
|
for c in clients:
|
|
self.failUnless(c.connected_to_introducer())
|
|
for c in subscribing_clients:
|
|
cdc = c._debug_counts
|
|
self.failUnless(cdc["inbound_announcement"] > c._debug1)
|
|
self.failUnless(cdc["inbound_message"] > c._debug2)
|
|
# there should have been no new announcements
|
|
self.failUnlessEqual(cdc["new_announcement"], c._debug3)
|
|
# and the right number of duplicate ones. There were
|
|
# NUM_SERVERS from the servertub restart, and there should be
|
|
# another NUM_SERVERS now
|
|
self.failUnlessEqual(cdc["duplicate_announcement"],
|
|
2*NUM_SERVERS)
|
|
|
|
d.addCallback(_check3)
|
|
return d
|
|
|
|
class TooNewServer(IntroducerService):
|
|
VERSION = { "http://allmydata.org/tahoe/protocols/introducer/v999":
|
|
{ },
|
|
"application-version": "greetings from the crazy future",
|
|
}
|
|
|
|
class NonV1Server(SystemTestMixin, unittest.TestCase):
|
|
# if the 1.3.0 client connects to a server that doesn't provide the 'v1'
|
|
# protocol, it is supposed to provide a useful error instead of a weird
|
|
# exception.
|
|
|
|
def test_failure(self):
|
|
self.basedir = "introducer/NonV1Server/failure"
|
|
os.makedirs(self.basedir)
|
|
self.create_tub()
|
|
i = TooNewServer()
|
|
i.setServiceParent(self.parent)
|
|
self.introducer_furl = self.central_tub.registerReference(i)
|
|
|
|
tub = Tub()
|
|
tub.setOption("expose-remote-exception-types", False)
|
|
tub.setServiceParent(self.parent)
|
|
l = tub.listenOn("tcp:0")
|
|
portnum = l.getPortnum()
|
|
tub.setLocation("localhost:%d" % portnum)
|
|
|
|
c = IntroducerClient(tub, self.introducer_furl,
|
|
u"nickname-client", "version", "oldest")
|
|
announcements = {}
|
|
def got(serverid, ann_d):
|
|
announcements[serverid] = ann_d
|
|
c.subscribe_to("storage", got)
|
|
|
|
c.setServiceParent(self.parent)
|
|
|
|
# now we wait for it to connect and notice the bad version
|
|
|
|
def _got_bad():
|
|
return bool(c._introducer_error) or bool(c._publisher)
|
|
d = self.poll(_got_bad)
|
|
def _done(res):
|
|
self.failUnless(c._introducer_error)
|
|
self.failUnless(c._introducer_error.check(InsufficientVersionError))
|
|
d.addCallback(_done)
|
|
return d
|
|
|
|
class DecodeFurl(unittest.TestCase):
|
|
def test_decode(self):
|
|
# make sure we have a working base64.b32decode. The one in
|
|
# python2.4.[01] was broken.
|
|
furl = 'pb://t5g7egomnnktbpydbuijt6zgtmw4oqi5@127.0.0.1:51857/hfzv36i'
|
|
m = re.match(r'pb://(\w+)@', furl)
|
|
assert m
|
|
nodeid = b32decode(m.group(1).upper())
|
|
self.failUnlessEqual(nodeid, "\x9fM\xf2\x19\xcckU0\xbf\x03\r\x10\x99\xfb&\x9b-\xc7A\x1d")
|
|
|