def do_negotiate(self, stream, request, nodelay=False):
session = TRACKER.session_negotiate(request["authorization"])
if not request["authorization"]:
request["authorization"] = session.identifier
#
# XXX make sure we track ALSO the first connection of the
# session (which is assigned an identifier in session_negotiate)
# or, should this connection fail, we would not be able to
# propagate quickly this information because unregister_connection
# would not find an entry in self.connections{}.
#
if session.negotiations == 1:
TRACKER.register_connection(stream, request["authorization"])
nodelay = True
if not session.active:
if not nodelay:
NOTIFIER.subscribe(RENEGOTIATE, self._do_renegotiate,
(stream, request), True)
return
m1 = compat.SpeedtestNegotiate_Response()
m1.authorization = session.identifier
m1.unchoked = session.active
m1.queuePos = session.queuepos
m1.publicAddress = stream.peername[0]
s = marshal.marshal_object(m1, "text/xml")
stringio = StringIO.StringIO(s)
response = Message()
response.compose(code="200", reason="Ok",
body=stringio, mimetype="application/xml")
stream.send_response(request, response)
def run_queue(self):
''' If possible run the first test in queue '''
# Adapted from neubot/rendezvous/client.py
if not self.queue:
return
if self.running:
return
#
# Subscribe BEFORE starting the test, otherwise we
# may miss the 'testdone' event if the connection
# to the negotiator service fails, and we will stay
# stuck forever.
#
NOTIFIER.subscribe('testdone', self.test_done)
# Prevent concurrent tests
self.running = True
# Safely run first element in queue
deferred = Deferred()
deferred.add_callback(self._do_run_queue)
deferred.add_errback(self._run_queue_error)
deferred.callback(self.queue[0])
def run_queue(self):
''' If possible run the first test in queue '''
# Adapted from neubot/rendezvous/client.py
if not self.queue:
return
if self.running:
return
#
# Subscribe BEFORE starting the test, otherwise we
# may miss the 'testdone' event if the connection
# to the negotiator service fails, and we will stay
# stuck forever.
#
NOTIFIER.subscribe('testdone', self.test_done)
# Prevent concurrent tests
self.running = True
# Safely run first element in queue
try:
self._do_run_queue()
except (SystemExit, KeyboardInterrupt):
raise
except:
exc = asyncore.compact_traceback()
error = str(exc)
LOG.error('runner_core: catched exception: %s' % error)
NOTIFIER.publish('testdone')
def _api_state(self, stream, request, query):
dictionary = cgi.parse_qs(query)
t = None
if dictionary.has_key("t"):
t = dictionary["t"][0]
stale = NOTIFIER.needs_publish(STATECHANGE, t)
if not stale:
NOTIFIER.subscribe(STATECHANGE, self._api_state_complete,
(stream, request, query, t), True)
return
self._api_state_complete(STATECHANGE, (stream, request, query, t))
def _api_state(self, stream, request, query):
''' Implements /api/state URI '''
dictionary = cgi.parse_qs(query)
otime = None
if "t" in dictionary:
otime = dictionary["t"][0]
stale = NOTIFIER.needs_publish(STATECHANGE, otime)
if not stale:
NOTIFIER.subscribe(STATECHANGE, self._api_state_complete,
(stream, request, query, otime), True)
return
self._api_state_complete(STATECHANGE, (stream, request, query, otime))
def main(args):
config.register_descriptions()
common.main("bittorrent", "Neubot BitTorrent module", args)
conf = CONFIG.copy()
config.finalize_conf(conf)
if conf["bittorrent.listen"]:
#
# If we need to negotiate and we're runing
# standalone we also need to bring up the
# global HTTP server.
#
if conf["bittorrent.negotiate"]:
HTTP_SERVER.configure(conf)
HTTP_SERVER.listen((conf["bittorrent.address"],
conf["bittorrent.negotiate.port"]))
conf["negotiate.listen"] = True
negotiate.run(POLLER, conf)
#
# Drop privileges after listen() so we can
# bind() to privileged ports
#
if conf["bittorrent.daemonize"]:
system.change_dir()
system.go_background()
LOG.redirect()
system.drop_privileges(LOG.error)
else:
#
# When we're connecting to a remote host to perform a test
# we want Neubot to quit at the end of the test. When this
# happens the test code publishes the "testdone" event, so
# here we prepare to intercept the event and break our main
# loop.
#
NOTIFIER.subscribe("testdone", lambda event, ctx: POLLER.break_loop())
run(POLLER, conf)
POLLER.loop()
def run_queue(self):
''' If possible run the first test in queue '''
# Adapted from neubot/rendezvous/client.py
if not self.queue:
return
if self.running:
return
#
# Subscribe BEFORE starting the test, otherwise we
# may miss the 'testdone' event if the connection
# to the negotiator service fails, and we will stay
# stuck forever.
#
NOTIFIER.subscribe('testdone', self.test_done)
# Prevent concurrent tests
self.running = True
# Make a copy of current settings
conf = CONFIG.copy()
# Make sure we abide to M-Lab policy
if privacy.count_valid(conf, 'privacy.') != 3:
privacy.complain()
NOTIFIER.publish('testdone')
# Run speedtest
elif self.queue[0][0] == 'speedtest':
conf['speedtest.client.uri'] = self.queue[0][1]
client = ClientSpeedtest(POLLER)
client.configure(conf)
client.connect_uri()
# Run bittorrent
elif self.queue[0][0] == 'bittorrent':
conf['bittorrent._uri'] = self.queue[0][1]
bittorrent.run(POLLER, conf)
# Safety net
else:
LOG.error('Asked to run an unknown test')
NOTIFIER.publish('testdone')
def main(args):
config.register_descriptions()
common.main("bittorrent", "Neubot BitTorrent module", args)
conf = CONFIG.copy()
config.finalize_conf(conf)
if conf["bittorrent.listen"]:
#
# If we need to negotiate and we're runing
# standalone we also need to bring up the
# global HTTP server.
#
if conf["bittorrent.negotiate"]:
HTTP_SERVER.configure(conf)
HTTP_SERVER.listen((conf["bittorrent.address"],
conf["bittorrent.negotiate.port"]))
conf["negotiate.listen"] = True
negotiate.run(POLLER, conf)
#
# Drop privileges after listen() so we can
# bind() to privileged ports
#
if conf["bittorrent.daemonize"]:
system.change_dir()
system.go_background()
LOG.redirect()
system.drop_privileges(LOG.error)
else:
#
# If possible use the runner, which will execute the
# test in the context of the neubot daemon. Then exit
# to bypass the run() invokation that is below here.
# If the runner fails, fallback to the usual code path,
# which executes the test in the context of the local
# process.
# Set 'runned.enabled' to 0 to bypass the runner and
# run the test locally.
#
if (utils.intify(conf['runner.enabled']) and
runner_clnt.runner_client(conf["agent.api.address"],
conf["agent.api.port"],
LOG.noisy, "bittorrent")):
sys.exit(0)
LOG.info('Will run the test in the local context...')
#
# When we're connecting to a remote host to perform a test
# we want Neubot to quit at the end of the test. When this
# happens the test code publishes the "testdone" event, so
# here we prepare to intercept the event and break our main
# loop.
#
NOTIFIER.subscribe("testdone", lambda event, ctx: POLLER.break_loop())
run(POLLER, conf)
POLLER.loop()
def main(args):
'''
This function is invoked when the user wants
to run precisely this module.
'''
try:
options, arguments = getopt.getopt(args[1:], '6A:fp:v')
except getopt.error:
sys.exit('usage: neubot bittorrent [-6fv] [-A address] [-p port]')
if arguments:
sys.exit('usage: neubot bittorrent [-6fv] [-A address] [-p port]')
prefer_ipv6 = 0
address = 'master.neubot.org'
force = 0
port = 6881
noisy = 0
for name, value in options:
if name == '-6':
prefer_ipv6 = 1
elif name == '-A':
address = value
elif name == '-f':
force = 1
elif name == '-p':
port = int(value)
elif name == '-v':
noisy = 1
if os.path.isfile(DATABASE.path):
DATABASE.connect()
CONFIG.merge_database(DATABASE.connection())
else:
logging.warning('bittorrent: database file is missing: %s',
DATABASE.path)
BACKEND.use_backend('null')
if noisy:
log.set_verbose()
config.register_descriptions() # Needed?
conf = CONFIG.copy()
config.finalize_conf(conf)
conf['bittorrent.address'] = address
conf['bittorrent.port'] = port
conf['prefer_ipv6'] = prefer_ipv6
if not force:
if runner_clnt.runner_client(conf["agent.api.address"],
conf["agent.api.port"],
CONFIG['verbose'],
"bittorrent"):
sys.exit(0)
logging.warning(
'bittorrent: failed to contact Neubot; is Neubot running?')
sys.exit(1)
logging.info('bittorrent: run the test in the local process context...')
#
# When we're connecting to a remote host to perform a test
# we want Neubot to quit at the end of the test. When this
# happens the test code publishes the "testdone" event, so
# here we prepare to intercept the event and break our main
# loop.
#
NOTIFIER.subscribe("testdone", lambda event, ctx: POLLER.break_loop())
run(POLLER, conf)
POLLER.loop()
def got_response(self, stream, request, response):
if response.code != "200":
LOG.complete("bad response")
self._schedule()
else:
LOG.complete()
s = response.body.read()
try:
m1 = marshal.unmarshal_object(s, "application/json",
compat.RendezvousResponse)
except ValueError:
LOG.exception()
self._schedule()
else:
if "version" in m1.update and "uri" in m1.update:
ver, uri = m1.update["version"], m1.update["uri"]
LOG.info("Version %s available at %s" % (ver, uri))
STATE.update("update", {"version": ver, "uri": uri})
#
# Choose the test we would like to run even if
# we're not going to run it because we're running
# in debug mode or tests are disabled.
# This allows us to print to the logger the test
# we /would/ have choosen if we were allowed to run
# it.
#
tests = []
if "speedtest" in m1.available:
tests.append("speedtest")
if "bittorrent" in m1.available:
tests.append("bittorrent")
#XXX alternate the two tests
if self._latest:
tests.remove(self._latest)
test = random.choice(tests)
self._latest = test
LOG.info("* Chosen test: %s" % test)
# Are we allowed to run a test?
if not CONFIG["enabled"] or CONFIG["rendezvous.client.debug"]:
LOG.info("Tests are disabled... not running")
self._schedule()
else:
if (CONFIG["privacy.informed"] and
not CONFIG["privacy.can_collect"]):
LOG.warning("cannot run test without permission "
"to save the results")
self._schedule()
else:
conf = self.conf.copy()
#
# Subscribe _before_ connecting. This way we
# immediately see "testdone" if the connection fails
# and we can _schedule the next attempt.
#
NOTIFIER.subscribe("testdone", lambda *a, **kw: \
self._schedule())
if test == "speedtest":
conf["speedtest.client.uri"] = m1.available[
"speedtest"][0]
client = ClientSpeedtest(POLLER)
client.configure(conf)
client.connect_uri()
elif test == "bittorrent":
conf["bittorrent._uri"] = m1.available[
"bittorrent"][0]
bittorrent.run(POLLER, conf)
else:
NOTIFIER.publish("testdone")
def speedtest_again(event=None, context=None):
NOTIFIER.subscribe("testdone", speedtest_again, None)
client = MyClientSpeedtest(POLLER)
client.configure({"speedtest.client.uri": "http://127.0.0.1:8080/"})
client.connect_uri()
