def test_frame_more(self):
"""test Frame.more attribute"""
frame = zmq.Frame(b"hello")
self.assertFalse(frame.more)
sa,sb = self.create_bound_pair(zmq.PAIR, zmq.PAIR)
sa.send_multipart([b'hi', b'there'])
frame = self.recv(sb, copy=False)
self.assertTrue(frame.more)
if zmq.zmq_version_info()[0] >= 3 and not PYPY:
self.assertTrue(frame.get(zmq.MORE))
frame = self.recv(sb, copy=False)
self.assertFalse(frame.more)
if zmq.zmq_version_info()[0] >= 3 and not PYPY:
self.assertFalse(frame.get(zmq.MORE))
def test_proxy(self):
if zmq.zmq_version_info() < (3,2):
raise SkipTest("Proxies only in libzmq >= 3")
dev = devices.ThreadProxy(zmq.PULL, zmq.PUSH, zmq.PUSH)
binder = self.context.socket(zmq.REQ)
iface = 'tcp://127.0.0.1'
port = binder.bind_to_random_port(iface)
port2 = binder.bind_to_random_port(iface)
port3 = binder.bind_to_random_port(iface)
binder.close()
time.sleep(0.1)
dev.bind_in("%s:%i" % (iface, port))
dev.bind_out("%s:%i" % (iface, port2))
dev.bind_mon("%s:%i" % (iface, port3))
dev.start()
time.sleep(0.25)
msg = b'hello'
push = self.context.socket(zmq.PUSH)
push.connect("%s:%i" % (iface, port))
pull = self.context.socket(zmq.PULL)
pull.connect("%s:%i" % (iface, port2))
mon = self.context.socket(zmq.PULL)
mon.connect("%s:%i" % (iface, port3))
push.send(msg)
self.sockets.extend([push, pull, mon])
self.assertEqual(msg, self.recv(pull))
self.assertEqual(msg, self.recv(mon))
def get_monitor_socket(self, events=None, addr=None):
"""Return a connected PAIR socket ready to receive the event notifications.
.. versionadded:: libzmq-4.0
.. versionadded:: 14.0
Parameters
----------
events : bitfield (int) [default: ZMQ_EVENTS_ALL]
The bitmask defining which events are wanted.
addr : string [default: None]
The optional endpoint for the monitoring sockets.
Returns
-------
socket : (PAIR)
The socket is already connected and ready to receive messages.
"""
# safe-guard, method only available on libzmq >= 4
if zmq.zmq_version_info() < (4,):
raise NotImplementedError("get_monitor_socket requires libzmq >= 4, have %s" % zmq.zmq_version())
if addr is None:
# create endpoint name from internal fd
addr = "inproc://monitor.s-%d" % self.FD
if events is None:
# use all events
events = zmq.EVENT_ALL
# attach monitoring socket
self.monitor(addr, events)
# create new PAIR socket and connect it
ret = self.context.socket(zmq.PAIR)
ret.connect(addr)
return ret
def test_proxy_steerable(self):
if zmq.zmq_version_info() < (4, 1):
raise SkipTest("Steerable Proxies only in libzmq >= 4.1")
dev = devices.ThreadProxySteerable(
zmq.PULL,
zmq.PUSH,
zmq.PUSH,
zmq.PAIR
)
iface = 'tcp://127.0.0.1'
port = dev.bind_in_to_random_port(iface)
port2 = dev.bind_out_to_random_port(iface)
port3 = dev.bind_mon_to_random_port(iface)
port4 = dev.bind_ctrl_to_random_port(iface)
dev.start()
time.sleep(0.25)
msg = b'hello'
push = self.context.socket(zmq.PUSH)
push.connect("%s:%i" % (iface, port))
pull = self.context.socket(zmq.PULL)
pull.connect("%s:%i" % (iface, port2))
mon = self.context.socket(zmq.PULL)
mon.connect("%s:%i" % (iface, port3))
ctrl = self.context.socket(zmq.PAIR)
ctrl.connect("%s:%i" % (iface, port4))
push.send(msg)
self.sockets.extend([push, pull, mon, ctrl])
self.assertEqual(msg, self.recv(pull))
self.assertEqual(msg, self.recv(mon))
ctrl.send(b'TERMINATE')
dev.join()
def set_hwm(self, value):
"""set the High Water Mark
On libzmq ≥ 3, this sets both SNDHWM and RCVHWM
.. warning::
New values only take effect for subsequent socket
bind/connects.
"""
major = zmq.zmq_version_info()[0]
if major >= 3:
raised = None
try:
self.sndhwm = value
except Exception as e:
raised = e
try:
self.rcvhwm = value
except Exception as e:
raised = e
if raised:
raise raised
else:
return self.setsockopt(zmq.HWM, value)
def test_monitor(self):
"""Test monitoring interface for sockets."""
s_rep = self.context.socket(zmq.REP)
s_req = self.context.socket(zmq.REQ)
self.sockets.extend([s_rep, s_req])
s_req.bind("tcp://127.0.0.1:6666")
# try monitoring the REP socket
s_rep.monitor("inproc://monitor.rep", zmq.EVENT_ALL)
# create listening socket for monitor
s_event = self.context.socket(zmq.PAIR)
self.sockets.append(s_event)
s_event.connect("inproc://monitor.rep")
s_event.linger = 0
# test receive event for connect event
s_rep.connect("tcp://127.0.0.1:6666")
if zmq.zmq_version_info() < (3,3):
self.assertRaises(NotImplementedError, get_monitor_message, s_event)
return
m = get_monitor_message(s_event)
self.assertEqual(m['event'], zmq.EVENT_CONNECT_DELAYED)
self.assertEqual(m['endpoint'], b"tcp://127.0.0.1:6666")
# test receive event for connected event
m = get_monitor_message(s_event)
self.assertEqual(m['event'], zmq.EVENT_CONNECTED)
def _zmq_has_curve():
"""
Return whether the current ZMQ has support for auth and CurveZMQ security.
:rtype: bool
Version notes:
`zmq.curve_keypair()` is new in version 14.0, new in version libzmq-4.0.
Requires libzmq (>= 4.0) to have been linked with libsodium.
`zmq.auth` module is new in version 14.1
`zmq.has()` is new in version 14.1, new in version libzmq-4.1.
"""
zmq_version = zmq.zmq_version_info()
pyzmq_version = zmq.pyzmq_version_info()
if pyzmq_version >= (14, 1, 0) and zmq_version >= (4, 1):
return zmq.has('curve')
if pyzmq_version < (14, 1, 0):
return False
if zmq_version < (4, 0):
# security is new in libzmq 4.0
return False
try:
zmq.curve_keypair()
except zmq.error.ZMQError:
# security requires libzmq to be linked against libsodium
return False
return True
def enable_monitor(self, events=None):
# The standard approach of binding and then connecting does not
# work in this specific case. The event loop does not properly
# detect messages on the inproc transport which means that event
# messages get missed.
# pyzmq's 'get_monitor_socket' method can't be used because this
# performs the actions in the wrong order for use with an event
# loop.
# For more information on this issue see:
# http://lists.zeromq.org/pipermail/zeromq-dev/2015-July/029181.html
if (zmq.zmq_version_info() < (4,) or
zmq.pyzmq_version_info() < (14, 4,)):
raise NotImplementedError(
"Socket monitor requires libzmq >= 4 and pyzmq >= 14.4, "
"have libzmq:{}, pyzmq:{}".format(
zmq.zmq_version(), zmq.pyzmq_version()))
if self._monitor is None:
addr = "inproc://monitor.s-{}".format(self._zmq_sock.FD)
events = events or zmq.EVENT_ALL
_, self._monitor = yield from create_zmq_connection(
lambda: _ZmqEventProtocol(self._loop, self._protocol),
zmq.PAIR, connect=addr, loop=self._loop)
# bind must come after connect
self._zmq_sock.monitor(addr, events)
yield from self._monitor.wait_ready
def setUp(self):
if zmq.zmq_version_info() < (4, 0):
raise SkipTest("security is new in libzmq 4.0")
try:
zmq.curve_keypair()
except zmq.ZMQError:
raise SkipTest("security requires libzmq to be linked against libsodium")
super(TestSecurity, self).setUp()
def setUp(self):
if zmq.zmq_version_info() < (4,0):
raise SkipTest("security is new in libzmq 4.0")
try:
zmq.curve_keypair()
except zmq.ZMQError:
raise SkipTest("security requires libzmq to be built with CURVE support")
super(TestSecurity, self).setUp()
def test_ctx_opts(self):
if zmq.zmq_version_info() < (3,):
raise SkipTest("context options require libzmq 3")
ctx = self.Context()
ctx.set(zmq.MAX_SOCKETS, 2)
self.assertEqual(ctx.get(zmq.MAX_SOCKETS), 2)
ctx.max_sockets = 100
self.assertEqual(ctx.max_sockets, 100)
self.assertEqual(ctx.get(zmq.MAX_SOCKETS), 100)
def setUp(self):
if zmq.zmq_version_info() < (4, 0):
raise SkipTest("security is new in libzmq 4.0")
try:
zmq.curve_keypair()
except zmq.ZMQError:
raise SkipTest(
"security requires libzmq to be linked against libsodium")
super(TestSecurity, self).setUp()
def test_ctx_opts(self):
if zmq.zmq_version_info() < (3, ):
raise SkipTest("context options require libzmq 3")
ctx = self.Context()
ctx.set(zmq.MAX_SOCKETS, 2)
self.assertEqual(ctx.get(zmq.MAX_SOCKETS), 2)
ctx.max_sockets = 100
self.assertEqual(ctx.max_sockets, 100)
self.assertEqual(ctx.get(zmq.MAX_SOCKETS), 100)
def test_int_sockopts(self):
"test integer sockopts"
v = zmq.zmq_version_info()
if v < (3, 0):
default_hwm = 0
else:
default_hwm = 1000
p, s = self.create_bound_pair(zmq.PUB, zmq.SUB)
p.setsockopt(zmq.LINGER, 0)
self.assertEqual(p.getsockopt(zmq.LINGER), 0)
p.setsockopt(zmq.LINGER, -1)
self.assertEqual(p.getsockopt(zmq.LINGER), -1)
self.assertEqual(p.hwm, default_hwm)
p.hwm = 11
self.assertEqual(p.hwm, 11)
# p.setsockopt(zmq.EVENTS, zmq.POLLIN)
self.assertEqual(p.getsockopt(zmq.EVENTS), zmq.POLLOUT)
self.assertRaisesErrno(zmq.EINVAL, p.setsockopt, zmq.EVENTS, 2**7 - 1)
self.assertEqual(p.getsockopt(zmq.TYPE), p.socket_type)
self.assertEqual(p.getsockopt(zmq.TYPE), zmq.PUB)
self.assertEqual(s.getsockopt(zmq.TYPE), s.socket_type)
self.assertEqual(s.getsockopt(zmq.TYPE), zmq.SUB)
# check for overflow / wrong type:
errors = []
backref = {}
constants = zmq.constants
for name in constants.__all__:
value = getattr(constants, name)
if isinstance(value, int):
backref[value] = name
for opt in zmq.constants.int_sockopts.union(
zmq.constants.int64_sockopts):
sopt = backref[opt]
if sopt.startswith((
'ROUTER',
'XPUB',
'TCP',
'FAIL',
'REQ_',
'CURVE_',
'PROBE_ROUTER',
'IPC_FILTER',
)):
# some sockopts are write-only
continue
try:
n = p.getsockopt(opt)
except zmq.ZMQError as e:
errors.append("getsockopt(zmq.%s) raised '%s'." % (sopt, e))
else:
if n > 2**31:
errors.append(
"getsockopt(zmq.%s) returned a ridiculous value."
" It is probably the wrong type." % sopt)
if errors:
self.fail('\n'.join([''] + errors))
def __init__(self, conf, ctx):
if zmq.zmq_version_info() < (4, 0):
raise RuntimeError(
"Security is not supported in libzmq version < 4.0. libzmq version {0}"
.format(zmq.zmq_version()))
self._conf = conf
self._zctx = ctx
self._send_attempts = 0
def setUp(self):
if zmq.zmq_version_info() < (4, 0):
raise SkipTest("security is new in libzmq 4.0")
super(TestThreadedAuthentication, self).setUp()
# silence auth module debug log output during test runs
logger = logging.getLogger()
self.original_log_level = logger.getEffectiveLevel()
logger.setLevel(logging.DEBUG)
self.auth = None
def setUp(self):
if zmq.zmq_version_info() < (4, 0):
raise SkipTest("security is new in libzmq 4.0")
try:
zmq.curve_keypair()
except zmq.ZMQError:
raise SkipTest(
"security requires libzmq to be built with CURVE support")
super(TestSecurity, self).setUp()
def test_int_sockopts(self):
"test integer sockopts"
v = zmq.zmq_version_info()
if v < (3,0):
default_hwm = 0
else:
default_hwm = 1000
p,s = self.create_bound_pair(zmq.PUB, zmq.SUB)
p.setsockopt(zmq.LINGER, 0)
self.assertEqual(p.getsockopt(zmq.LINGER), 0)
p.setsockopt(zmq.LINGER, -1)
self.assertEqual(p.getsockopt(zmq.LINGER), -1)
self.assertEqual(p.hwm, default_hwm)
p.hwm = 11
self.assertEqual(p.hwm, 11)
# p.setsockopt(zmq.EVENTS, zmq.POLLIN)
self.assertEqual(p.getsockopt(zmq.EVENTS), zmq.POLLOUT)
self.assertRaisesErrno(zmq.EINVAL, p.setsockopt,zmq.EVENTS, 2**7-1)
self.assertEqual(p.getsockopt(zmq.TYPE), p.socket_type)
self.assertEqual(p.getsockopt(zmq.TYPE), zmq.PUB)
self.assertEqual(s.getsockopt(zmq.TYPE), s.socket_type)
self.assertEqual(s.getsockopt(zmq.TYPE), zmq.SUB)
# check for overflow / wrong type:
errors = []
backref = {}
constants = zmq.constants
for name in constants.__all__:
value = getattr(constants, name)
if isinstance(value, int):
backref[value] = name
for opt in zmq.constants.int_sockopts.union(zmq.constants.int64_sockopts):
sopt = backref[opt]
if sopt.startswith((
'ROUTER', 'XPUB', 'TCP', 'FAIL',
'REQ_', 'CURVE_', 'PROBE_ROUTER',
'IPC_FILTER', 'GSSAPI', 'STREAM_',
'VMCI_BUFFER_SIZE', 'VMCI_BUFFER_MIN_SIZE',
'VMCI_BUFFER_MAX_SIZE', 'VMCI_CONNECT_TIMEOUT',
)):
# some sockopts are write-only
continue
try:
n = p.getsockopt(opt)
except zmq.ZMQError as e:
errors.append("getsockopt(zmq.%s) raised '%s'."%(sopt, e))
else:
if n > 2**31:
errors.append("getsockopt(zmq.%s) returned a ridiculous value."
" It is probably the wrong type."%sopt)
if errors:
self.fail('\n'.join([''] + errors))
def test_removed(self):
zmq_version = zmq.zmq_version_info()
for version, new_names in constant_names.removed_in.items():
should_have = zmq_version < version
for name in new_names:
try:
value = getattr(zmq, name)
except AttributeError:
if should_have:
self.fail("AttributeError: zmq.%s" % name)
else:
if not should_have:
self.fail("Shouldn't have: zmq.%s=%s" % (name, value))
def test_removed(self):
zmq_version = zmq.zmq_version_info()
for version, new_names in constant_names.removed_in.items():
should_have = zmq_version < version
for name in new_names:
try:
value = getattr(zmq, name)
except AttributeError:
if should_have:
self.fail("AttributeError: zmq.%s" % name)
else:
if not should_have:
self.fail("Shouldn't have: zmq.%s=%s" % (name, value))
def test_int_sockopts(self):
"test non-uint64 sockopts"
v = zmq.zmq_version_info()
if not v >= (2, 1):
raise SkipTest("only on libzmq >= 2.1")
elif v < (3, 0):
hwm = zmq.HWM
default_hwm = 0
else:
hwm = zmq.SNDHWM
default_hwm = 1000
p, s = self.create_bound_pair(zmq.PUB, zmq.SUB)
p.setsockopt(zmq.LINGER, 0)
self.assertEquals(p.getsockopt(zmq.LINGER), 0)
p.setsockopt(zmq.LINGER, -1)
self.assertEquals(p.getsockopt(zmq.LINGER), -1)
self.assertEquals(p.getsockopt(hwm), default_hwm)
p.setsockopt(hwm, 11)
self.assertEquals(p.getsockopt(hwm), 11)
# p.setsockopt(zmq.EVENTS, zmq.POLLIN)
self.assertEquals(p.getsockopt(zmq.EVENTS), zmq.POLLOUT)
self.assertRaisesErrno(zmq.EINVAL, p.setsockopt, zmq.EVENTS, 2 ** 7 - 1)
self.assertEquals(p.getsockopt(zmq.TYPE), p.socket_type)
self.assertEquals(p.getsockopt(zmq.TYPE), zmq.PUB)
self.assertEquals(s.getsockopt(zmq.TYPE), s.socket_type)
self.assertEquals(s.getsockopt(zmq.TYPE), zmq.SUB)
# check for overflow / wrong type:
errors = []
backref = {}
constants = zmq.core.constants
for name in constants.__all__:
value = getattr(constants, name)
if isinstance(value, int):
backref[value] = name
for opt in zmq.core.constants.int_sockopts + zmq.core.constants.int64_sockopts:
sopt = backref[opt]
if sopt == "FAIL_UNROUTABLE":
# fail_unroutable is write-only
continue
try:
n = p.getsockopt(opt)
except zmq.ZMQError as e:
errors.append("getsockopt(zmq.%s) raised '%s'." % (sopt, e))
else:
if n > 2 ** 31:
errors.append(
"getsockopt(zmq.%s) returned a ridiculous value." " It is probably the wrong type." % sopt
)
if errors:
self.fail("\n".join(errors))
def test_int_sockopts(self):
"test non-uint64 sockopts"
v = zmq.zmq_version_info()
if not v >= (2, 1):
raise SkipTest("only on libzmq >= 2.1")
elif v < (3, 0):
hwm = zmq.HWM
default_hwm = 0
else:
hwm = zmq.SNDHWM
default_hwm = 1000
p, s = self.create_bound_pair(zmq.PUB, zmq.SUB)
p.setsockopt(zmq.LINGER, 0)
self.assertEquals(p.getsockopt(zmq.LINGER), 0)
p.setsockopt(zmq.LINGER, -1)
self.assertEquals(p.getsockopt(zmq.LINGER), -1)
self.assertEquals(p.getsockopt(hwm), default_hwm)
p.setsockopt(hwm, 11)
self.assertEquals(p.getsockopt(hwm), 11)
# p.setsockopt(zmq.EVENTS, zmq.POLLIN)
self.assertEquals(p.getsockopt(zmq.EVENTS), zmq.POLLOUT)
self.assertRaisesErrno(zmq.EINVAL, p.setsockopt, zmq.EVENTS, 2**7 - 1)
self.assertEquals(p.getsockopt(zmq.TYPE), p.socket_type)
self.assertEquals(p.getsockopt(zmq.TYPE), zmq.PUB)
self.assertEquals(s.getsockopt(zmq.TYPE), s.socket_type)
self.assertEquals(s.getsockopt(zmq.TYPE), zmq.SUB)
# check for overflow / wrong type:
errors = []
backref = {}
constants = zmq.core.constants
for name in constants.__all__:
value = getattr(constants, name)
if isinstance(value, int):
backref[value] = name
for opt in zmq.core.constants.int_sockopts + zmq.core.constants.int64_sockopts:
sopt = backref[opt]
if sopt == 'ROUTER_BEHAVIOR' or 'TCP' in sopt:
# fail_unroutable is write-only
continue
try:
n = p.getsockopt(opt)
except zmq.ZMQError as e:
errors.append("getsockopt(zmq.%s) raised '%s'." % (sopt, e))
else:
if n > 2**31:
errors.append(
"getsockopt(zmq.%s) returned a ridiculous value."
" It is probably the wrong type." % sopt)
if errors:
self.fail('\n'.join([''] + errors))
def _check_version(min_version_info, msg='Feature'):
"""Check for libzmq
raises ZMQVersionError if current zmq version is not at least min_version
min_version_info is a tuple of integers, and will be compared against zmq.zmq_version_info().
"""
global _zmq_version_info
if _zmq_version_info is None:
from zmq import zmq_version_info
_zmq_version_info = zmq_version_info()
if _zmq_version_info < min_version_info:
min_version = '.'.join(str(v) for v in min_version_info)
raise ZMQVersionError(min_version, msg)
def _select_recv(self, multipart, socket, **kwargs):
"""call recv[_multipart] in a way that raises if there is nothing to receive"""
if zmq.zmq_version_info() >= (3, 1, 0):
# zmq 3.1 has a bug, where poll can return false positives,
# so we wait a little bit just in case
# See LIBZMQ-280 on JIRA
time.sleep(0.1)
r, w, x = zmq.select([socket], [], [], timeout=5)
assert len(r) > 0, "Should have received a message"
kwargs['flags'] = zmq.DONTWAIT | kwargs.get('flags', 0)
recv = socket.recv_multipart if multipart else socket.recv
return recv(**kwargs)
def main():
if zmq.zmq_version_info() < (4, 0):
raise RuntimeError(
"Security is not supported in libzmq version < 4.0. libzmq version "
"{0}".format(zmq.zmq_version()))
if '-v' in sys.argv:
level = logging.DEBUG
else:
level = logging.INFO
logging.basicConfig(level=level, format="[%(levelname)s] %(message)s")
run()
def _check_version(min_version_info, msg='Feature'):
"""Check for libzmq
raises ZMQVersionError if current zmq version is not at least min_version
min_version_info is a tuple of integers, and will be compared against zmq.zmq_version_info().
"""
global _zmq_version_info
if _zmq_version_info is None:
from zmq import zmq_version_info
_zmq_version_info = zmq_version_info()
if _zmq_version_info < min_version_info:
min_version = '.'.join(str(v) for v in min_version_info)
raise ZMQVersionError(min_version, msg)
def _select_recv(self, multipart, socket, **kwargs):
"""call recv[_multipart] in a way that raises if there is nothing to receive"""
if zmq.zmq_version_info() >= (3,1,0):
# zmq 3.1 has a bug, where poll can return false positives,
# so we wait a little bit just in case
# See LIBZMQ-280 on JIRA
time.sleep(0.1)
r,w,x = zmq.select([socket], [], [], timeout=5)
assert len(r) > 0, "Should have received a message"
kwargs['flags'] = zmq.DONTWAIT | kwargs.get('flags', 0)
recv = socket.recv_multipart if multipart else socket.recv
return recv(**kwargs)
def test_proxy_bind_to_random_with_args(self):
if zmq.zmq_version_info() < (3, 2):
raise SkipTest("Proxies only in libzmq >= 3")
dev = devices.ThreadProxy(zmq.PULL, zmq.PUSH, zmq.PUSH)
iface = 'tcp://10.0.0.7'
ports = []
min, max = 5000, 5050
ports.extend([
dev.bind_in_to_random_port(iface, min_port=min, max_port=max),
dev.bind_out_to_random_port(iface, min_port=min, max_port=max),
dev.bind_mon_to_random_port(iface, min_port=min, max_port=max)
])
for port in ports:
if port < min or port > max:
self.fail('Unexpected port number: %i' % port)
def __init__(self, context=None, encoding='utf-8'):
if zmq.zmq_version_info() < (4,0):
raise NotImplementedError("Security is only available in libzmq >= 4.0")
self.context = context or zmq.Context.instance()
self.encoding = encoding
self.allow_any = False
self.zap_socket = None
self.whitelist = []
self.blacklist = []
# passwords is a dict keyed by domain and contains values
# of dicts with username:password pairs.
self.passwords = {}
# certs is dict keyed by domain and contains values
# of dicts keyed by the public keys from the specified location.
self.certs = {}
def _setup_socket(self):
if self.socket is None:
self.socket = self.context.socket(self.socket_type)
if self.routing_id:
self.socket.identity = self.routing_id
if self.socket_type == zmq.ROUTER:
self.socket.ROUTER_MANDATORY = True
if zmq.zmq_version_info() >= (4, 1, 0):
self.socket.ROUTER_HANDOVER = True
elif self.socket_type == zmq.REQ:
self.socket.RCVTIMEO = int(self.timeout * 1000)
self.socket.SNDTIMEO = int(self.timeout * 1000)
self.auth_backend.configure()
self.heartbeat_backend.configure()
self.initialized = True
def test_proxy_bind_to_random_with_args(self):
if zmq.zmq_version_info() < (3, 2):
raise SkipTest("Proxies only in libzmq >= 3")
dev = devices.ThreadProxy(zmq.PULL, zmq.PUSH, zmq.PUSH)
iface = 'tcp://127.0.0.1'
ports = []
min, max = 5000, 5050
ports.extend([
dev.bind_in_to_random_port(iface, min_port=min, max_port=max),
dev.bind_out_to_random_port(iface, min_port=min, max_port=max),
dev.bind_mon_to_random_port(iface, min_port=min, max_port=max)
])
for port in ports:
if port < min or port > max:
self.fail('Unexpected port number: %i' % port)
def test_hwm(self):
zmq3 = zmq.zmq_version_info()[0] >= 3
for stype in (zmq.PUB, zmq.ROUTER, zmq.SUB, zmq.REQ, zmq.DEALER):
s = self.context.socket(stype)
s.hwm = 100
self.assertEqual(s.hwm, 100)
if zmq3:
try:
self.assertEqual(s.sndhwm, 100)
except AttributeError:
pass
try:
self.assertEqual(s.rcvhwm, 100)
except AttributeError:
pass
s.close()
def get_hwm(self):
"""get the High Water Mark
On libzmq ≥ 3.x, this gets SNDHWM if available, otherwise RCVHWM
"""
major = zmq.zmq_version_info()[0]
if major >= 3:
# return sndhwm, fallback on rcvhwm
try:
return self.getsockopt(zmq.SNDHWM)
except zmq.ZMQError as e:
pass
return self.getsockopt(zmq.RCVHWM)
else:
return self.getsockopt(zmq.HWM)
def _setup_socket(self, probing=False):
if self.socket is None:
self.socket = self.context.socket(self.socket_type)
if self.routing_id:
self.socket.setsockopt(zmq.IDENTITY, self.routing_id)
if self.socket_type == zmq.ROUTER:
self.socket.setsockopt(zmq.ROUTER_MANDATORY, True)
if zmq.zmq_version_info() >= (4, 1, 0):
self.socket.setsockopt(zmq.ROUTER_HANDOVER, True)
elif self.socket_type == zmq.REQ:
self.socket.setsockopt(zmq.RCVTIMEO, int(self.timeout * 1000))
self.socket.setsockopt(zmq.SNDTIMEO, int(self.timeout * 1000))
self.socket.setsockopt(zmq.PROBE_ROUTER, probing)
self.auth_backend.configure()
self.heartbeat_backend.configure()
self.initialized = True
def _setup_socket(self, probing=False):
if self.socket is None:
self.socket = self.context.socket(self.socket_type)
if self.routing_id:
self.socket.setsockopt(zmq.IDENTITY, self.routing_id)
if self.socket_type == zmq.ROUTER:
self.socket.setsockopt(zmq.ROUTER_MANDATORY, True)
if zmq.zmq_version_info() >= (4, 1, 0):
self.socket.setsockopt(zmq.ROUTER_HANDOVER, True)
elif self.socket_type == zmq.REQ:
self.socket.setsockopt(zmq.RCVTIMEO, int(self.timeout * 1000))
self.socket.setsockopt(zmq.SNDTIMEO, int(self.timeout * 1000))
self.socket.setsockopt(zmq.PROBE_ROUTER, probing)
self.auth_backend.configure()
self.heartbeat_backend.configure()
self.initialized = True
def test_hwm(self):
zmq3 = zmq.zmq_version_info()[0] >= 3
for stype in (zmq.PUB, zmq.ROUTER, zmq.SUB, zmq.REQ, zmq.DEALER):
s = self.context.socket(stype)
s.hwm = 100
self.assertEqual(s.hwm, 100)
if zmq3:
try:
self.assertEqual(s.sndhwm, 100)
except AttributeError:
pass
try:
self.assertEqual(s.rcvhwm, 100)
except AttributeError:
pass
s.close()
def get_hwm(self):
"""get the High Water Mark
On libzmq ≥ 3.x, this gets SNDHWM if available, otherwise RCVHWM
"""
major = zmq.zmq_version_info()[0]
if major >= 3:
# return sndhwm, fallback on rcvhwm
try:
return self.getsockopt(zmq.SNDHWM)
except zmq.ZMQError as e:
pass
return self.getsockopt(zmq.RCVHWM)
else:
return self.getsockopt(zmq.HWM)
def test_proxy_steerable_bind_to_random_with_args(self):
if zmq.zmq_version_info() < (4, 1):
raise SkipTest("Steerable Proxies only in libzmq >= 4.1")
dev = devices.ThreadProxySteerable(zmq.PULL, zmq.PUSH, zmq.PUSH,
zmq.PAIR)
iface = 'tcp://127.0.0.1'
ports = []
min, max = 5000, 5050
ports.extend([
dev.bind_in_to_random_port(iface, min_port=min, max_port=max),
dev.bind_out_to_random_port(iface, min_port=min, max_port=max),
dev.bind_mon_to_random_port(iface, min_port=min, max_port=max),
dev.bind_ctrl_to_random_port(iface, min_port=min, max_port=max),
])
for port in ports:
if port < min or port > max:
self.fail('Unexpected port number: %i' % port)
def connect_or_bind(self, name, endpoint):
if self.socket is None:
self.socket = self.context.socket(self.socket_type)
if self.routing_id:
self.socket.identity = self.routing_id
if self.socket_type == zmq.ROUTER:
self.socket.ROUTER_MANDATORY = True
if zmq.zmq_version_info() >= (4, 1, 0):
self.socket.ROUTER_HANDOVER = True
elif self.socket_type == zmq.REQ:
self.socket.RCVTIMEO = int(self.timeout * 1000)
self.socket.SNDTIMEO = int(self.timeout * 1000)
self.auth_backend.configure()
self.heartbeat_backend.configure()
caller = operator.methodcaller(name, endpoint)
caller(self.socket)
self.initialized = True
def __init__(self, context=None, encoding='utf-8', log=None):
if zmq.zmq_version_info() < (4, 0):
raise NotImplementedError(
"Security is only available in libzmq >= 4.0")
self.context = context or zmq.Context.instance()
self.encoding = encoding
self.allow_any = False
self.zap_socket = None
self.whitelist = set()
self.blacklist = set()
# passwords is a dict keyed by domain and contains values
# of dicts with username:password pairs.
self.passwords = {}
# certs is dict keyed by domain and contains values
# of dicts keyed by the public keys from the specified location.
self.certs = {}
self.log = log or logging.getLogger('zmq.auth')
def set_tcp_keepalive(sock, opts=None):
# Warn if ZMQ < 3.2
try:
zmq_version_info = zmq.zmq_version_info()
except AttributeError:
# PyZMQ <= 2.1.9 does not have zmq_version_info, fall back to
# using zmq.zmq_version() and build a version info tuple.
zmq_version_info = tuple(
[int(x) for x in zmq.zmq_version().split('.')]
)
if zmq_version_info < (3, 2):
log.warning(
'You have a version of ZMQ less than ZMQ 3.2! There are '
'known connection keep-alive issues with ZMQ < 3.2 which '
'may result in loss of contact with minions. Please '
'upgrade your ZMQ!'
)
####
# try:
# ip=socket.gethostbyname(socket.gethostname())
# if ip == "127.0.0.1":
# raise Exception("127.0.0.1")
# except Exception,e:
# (status,ip) = commands.getstatusoutput("/sbin/ifconfig -a|grep inet|grep -v 127.0.0.1|grep -v inet6|awk '{print $2}'|tr -d 'addr:'")
# ip = ip
if opts['ha'] == True:
while True:
time.sleep(5)
try:
sys.path.append("/usr/lib/python2.7/site-packages/salt")
from zkclient import ZKClient, zookeeper, watchmethod
zk = ZKClient('172.16.163.14:2181',1000)
if zk.exists('/broker'):
value = zk.get('/broker')
logging.error(str(value[0]))
if value[0] == opts['id']:
break
else:
zk.create('/broker')
zk.set('/broker',data='%s'%opts['id'])
logging.error("create the zk path is successful !")
continue
except Exception,e:
logging.error(str(e))
continue
def test_server_can_send_to_trustable_peer_identity(self):
"""
Uses internal metadata of zmq.Frame.get() to fetch identity of sender
"""
from pseud import Client, Server
server_id = b'server'
endpoint = b'tcp://127.0.0.1:8989'
server_public, server_secret = zmq.curve_keypair()
security_plugin = 'trusted_curve'
server = Server(server_id,
security_plugin=security_plugin,
public_key=server_public,
secret_key=server_secret,
io_loop=self.io_loop)
server.bind(endpoint)
bob_public, bob_secret = server.auth_backend.known_identities[b'bob']
client = Client(server_id,
user_id=b'bob',
security_plugin=security_plugin,
public_key=bob_public,
secret_key=bob_secret,
peer_public_key=server_public,
io_loop=self.io_loop)
client.connect(endpoint)
assert server.socket.mechanism == zmq.CURVE
assert client.socket.mechanism == zmq.CURVE
yield server.start()
yield client.start()
@server.register_rpc(with_identity=True)
def echo(peer_identity, message):
return peer_identity, message
result = yield client.echo(b'one')
if zmq.zmq_version_info() >= (4, 1, 0):
assert result == (b'bob', b'one')
else:
assert result == (b'', b'one')
server.stop()
client.stop()
def setUp(self):
super(TestIOLoopAuthentication, self).setUp()
if zmq.zmq_version_info() < (4,0):
raise SkipTest("security is new in libzmq 4.0")
# silence auth module debug log output during test runs
logger = logging.getLogger()
self.original_log_level = logger.getEffectiveLevel()
logger.setLevel(logging.DEBUG)
self.test_result = True
self.io_loop = ioloop.IOLoop()
self.auth = None
self.server = self.socket(zmq.PUSH)
self.client = self.socket(zmq.PULL)
# Only need slow reconnect intervals for testing.
self.client.reconnect_ivl = 1000
self.pushstream = zmqstream.ZMQStream(self.server, self.io_loop)
self.pullstream = zmqstream.ZMQStream(self.client, self.io_loop)
def __init__(self, opts):
'''
Create a salt broker instance
'''
self.opts = opts
# Warn if ZMQ < 3.2
try:
zmq_version_info = zmq.zmq_version_info()
except AttributeError:
# PyZMQ <= 2.1.9 does not have zmq_version_info, fall back to
# using zmq.zmq_version() and build a version info tuple.
zmq_version_info = tuple(
[int(x) for x in zmq.zmq_version().split('.')])
if zmq_version_info < (3, 2):
log.warning(
'You have a version of ZMQ less than ZMQ 3.2! There are '
'known connection keep-alive issues with ZMQ < 3.2 which '
'may result in loss of contact with minions. Please '
'upgrade your ZMQ!')
def test_server_can_send_to_trustable_peer_identity(self):
"""
Uses internal metadata of zmq.Frame.get() to fetch identity of sender
"""
from pseud import Client, Server
server_id = b'server'
endpoint = b'tcp://127.0.0.1:8989'
server_public, server_secret = zmq.curve_keypair()
security_plugin = 'trusted_curve'
server = Server(server_id, security_plugin=security_plugin,
public_key=server_public,
secret_key=server_secret,
io_loop=self.io_loop)
server.bind(endpoint)
bob_public, bob_secret = server.auth_backend.known_identities[b'bob']
client = Client(server_id,
user_id=b'bob',
security_plugin=security_plugin,
public_key=bob_public,
secret_key=bob_secret,
peer_public_key=server_public,
io_loop=self.io_loop)
client.connect(endpoint)
assert server.socket.mechanism == zmq.CURVE
assert client.socket.mechanism == zmq.CURVE
yield server.start()
yield client.start()
@server.register_rpc(with_identity=True)
def echo(peer_identity, message):
return peer_identity, message
result = yield client.echo(b'one')
if zmq.zmq_version_info() >= (4, 1, 0):
assert result == (b'bob', b'one')
else:
assert result == (b'', b'one')
server.stop()
client.stop()
def get_monitor_socket(self, events=None, addr=None):
"""Return a connected PAIR socket ready to receive the event notifications.
.. versionadded:: libzmq-4.0
.. versionadded:: 14.0
Parameters
----------
events : int [default: ZMQ_EVENTS_ALL]
The bitmask defining which events are wanted.
addr : string [default: None]
The optional endpoint for the monitoring sockets.
Returns
-------
socket : (PAIR)
The socket is already connected and ready to receive messages.
"""
# safe-guard, method only available on libzmq >= 4
if zmq.zmq_version_info() < (4, ):
raise NotImplementedError(
"get_monitor_socket requires libzmq >= 4, have %s" %
zmq.zmq_version())
# if already monitoring, return existing socket
if self._monitor_socket:
if self._monitor_socket.closed:
self._monitor_socket = None
else:
return self._monitor_socket
if addr is None:
# create endpoint name from internal fd
addr = "inproc://monitor.s-%d" % self.FD
if events is None:
# use all events
events = zmq.EVENT_ALL
# attach monitoring socket
self.monitor(addr, events)
# create new PAIR socket and connect it
self._monitor_socket = self.context.socket(zmq.PAIR)
self._monitor_socket.connect(addr)
return self._monitor_socket
def test_router_router(self):
"""test router-router MQ devices"""
dev = devices.ThreadMonitoredQueue(zmq.ROUTER, zmq.ROUTER, zmq.PUB,
b'in', b'out')
self.device = dev
dev.setsockopt_in(zmq.LINGER, 0)
dev.setsockopt_out(zmq.LINGER, 0)
dev.setsockopt_mon(zmq.LINGER, 0)
binder = self.context.socket(zmq.DEALER)
porta = binder.bind_to_random_port('tcp://127.0.0.1')
portb = binder.bind_to_random_port('tcp://127.0.0.1')
binder.close()
time.sleep(0.1)
a = self.context.socket(zmq.DEALER)
a.identity = b'a'
b = self.context.socket(zmq.DEALER)
b.identity = b'b'
self.sockets.extend([a, b])
a.connect('tcp://127.0.0.1:%i' % porta)
dev.bind_in('tcp://127.0.0.1:%i' % porta)
b.connect('tcp://127.0.0.1:%i' % portb)
dev.bind_out('tcp://127.0.0.1:%i' % portb)
dev.start()
time.sleep(0.2)
if zmq.zmq_version_info() >= (3, 1, 0):
# flush erroneous poll state, due to LIBZMQ-280
ping_msg = [b'ping', b'pong']
for s in (a, b):
s.send_multipart(ping_msg)
try:
s.recv(zmq.NOBLOCK)
except zmq.ZMQError:
pass
msg = [b'hello', b'there']
a.send_multipart([b'b'] + msg)
bmsg = self.recv_multipart(b)
self.assertEqual(bmsg, [b'a'] + msg)
b.send_multipart(bmsg)
amsg = self.recv_multipart(a)
self.assertEqual(amsg, [b'b'] + msg)
self.teardown_device()
def open(self):
if self._socket and not self._socket.closed:
self.close()
self._socket = self._context.socket(self._qtype)
if zmq.zmq_version_info()[0] == 2:
self._socket.setsockopt(zmq.HWM, self._hwm)
else:
self._socket.setsockopt(zmq.SNDHWM, self._hwm)
self._socket.setsockopt(zmq.RCVHWM, self._hwm)
if not self._attach:
if self._qtype in (zmq.PUB, zmq.REP, zmq.PUSH):
self._attach = BIND
elif self._qtype in (zmq.SUB, zmq.REQ, zmq.PULL):
self._attach = CONNECT
for a in self._addr:
if self._attach == BIND:
self._socket.bind(a)
log.debug('bind: %s HWM=%d' % (a, self._hwm))
time.sleep(0.5) # HACK: need proper startup here
elif self._attach == CONNECT:
if self._ssh_key and self._ssh_conn:
zmq.ssh.tunnel_connection(self._socket,
a,
server=self._ssh_conn,
keyfile=self._ssh_key,
paramiko=self._use_paramiko)
log.debug('tunnel_connection: %s HWM=%d, server=%s' %
(a, self._hwm, self._ssh_conn))
else:
self._socket.connect(a)
log.debug('connect: %s HWM=%d' % (a, self._hwm))
else:
raise Exception(
'Invalid attachment type %s. Use BIND or CONNECT.' %
(str(self._attach), ))
if self._qtype == zmq.SUB:
self._socket.setsockopt(zmq.SUBSCRIBE, '')
def test_router_router(self):
"""test router-router MQ devices"""
dev = devices.ThreadMonitoredQueue(zmq.ROUTER, zmq.ROUTER, zmq.PUB, b'in', b'out')
self.device = dev
dev.setsockopt_in(zmq.LINGER, 0)
dev.setsockopt_out(zmq.LINGER, 0)
dev.setsockopt_mon(zmq.LINGER, 0)
binder = self.context.socket(zmq.DEALER)
porta = binder.bind_to_random_port('tcp://127.0.0.1')
portb = binder.bind_to_random_port('tcp://127.0.0.1')
binder.close()
time.sleep(1)
a = self.context.socket(zmq.DEALER)
a.identity = b'a'
b = self.context.socket(zmq.DEALER)
b.identity = b'b'
self.sockets.extend([a, b])
a.connect('tcp://127.0.0.1:%i'%porta)
dev.bind_in('tcp://127.0.0.1:%i'%porta)
b.connect('tcp://127.0.0.1:%i'%portb)
dev.bind_out('tcp://127.0.0.1:%i'%portb)
dev.start()
time.sleep(1)
if zmq.zmq_version_info() >= (3,1,0):
# flush erroneous poll state, due to LIBZMQ-280
ping_msg = [ b'ping', b'pong' ]
for s in (a,b):
s.send_multipart(ping_msg)
try:
s.recv(zmq.NOBLOCK)
except zmq.ZMQError:
pass
msg = [ b'hello', b'there' ]
a.send_multipart([b'b']+msg)
bmsg = self.recv_multipart(b)
self.assertEqual(bmsg, [b'a']+msg)
b.send_multipart(bmsg)
amsg = self.recv_multipart(a)
self.assertEqual(amsg, [b'b']+msg)
self.teardown_device()
def monitor(self, addr, events=-1):
"""s.monitor(addr, flags)
Start publishing socket events on inproc.
See libzmq docs for zmq_monitor for details.
Note: requires libzmq >= 3.2
Parameters
----------
addr : str
The inproc url used for monitoring.
events : int [default: zmq.EVENT_ALL]
The zmq event bitmask for which events will be sent to the monitor.
"""
if zmq.zmq_version_info() < (3,2):
raise NotImplementedError("monitor requires libzmq >= 3.2, have %s" % zmq.zmq_version())
if events < 0:
events = zmq.EVENT_ALL
rc = C.zmq_socket_monitor(self._zmq_socket, addr, events)
def test_proxy_steerable_statistics(self):
if zmq.zmq_version_info() < (4, 3):
raise SkipTest("STATISTICS only in libzmq >= 4.3")
dev = devices.ThreadProxySteerable(zmq.PULL, zmq.PUSH, zmq.PUSH,
zmq.PAIR)
binder = self.context.socket(zmq.REQ)
iface = 'tcp://127.0.0.1'
port = binder.bind_to_random_port(iface)
port2 = binder.bind_to_random_port(iface)
port3 = binder.bind_to_random_port(iface)
port4 = binder.bind_to_random_port(iface)
binder.close()
time.sleep(0.1)
dev.bind_in("%s:%i" % (iface, port))
dev.bind_out("%s:%i" % (iface, port2))
dev.bind_mon("%s:%i" % (iface, port3))
dev.bind_ctrl("%s:%i" % (iface, port4))
dev.start()
time.sleep(0.25)
msg = b'hello'
push = self.context.socket(zmq.PUSH)
push.connect("%s:%i" % (iface, port))
pull = self.context.socket(zmq.PULL)
pull.connect("%s:%i" % (iface, port2))
mon = self.context.socket(zmq.PULL)
mon.connect("%s:%i" % (iface, port3))
ctrl = self.context.socket(zmq.PAIR)
ctrl.connect("%s:%i" % (iface, port4))
push.send(msg)
self.sockets.extend([push, pull, mon, ctrl])
self.assertEqual(msg, self.recv(pull))
self.assertEqual(msg, self.recv(mon))
ctrl.send(b'STATISTICS')
stats = self.recv_multipart(ctrl)
stats_int = [struct.unpack("<Q", x)[0] for x in stats]
self.assertEqual(1, stats_int[0])
self.assertEqual(len(msg), stats_int[1])
self.assertEqual(1, stats_int[6])
self.assertEqual(len(msg), stats_int[7])
ctrl.send(b'TERMINATE')
dev.join()
def test_curve_public(self):
"""test curve_public"""
try:
public, secret = zmq.curve_keypair()
except zmq.ZMQError:
raise SkipTest("CURVE unsupported")
if zmq.zmq_version_info() < (4, 2):
raise SkipTest("curve_public is new in libzmq 4.2")
derived_public = zmq.curve_public(secret)
self.assertEqual(type(derived_public), bytes)
self.assertEqual(len(derived_public), 40)
# verify that it is indeed Z85
bpublic = z85.decode(derived_public)
self.assertEqual(type(bpublic), bytes)
self.assertEqual(len(bpublic), 32)
# verify that it is equal to the known public key
self.assertEqual(derived_public, public)
def test_proxy(self):
if zmq.zmq_version_info() < (3, 2):
raise SkipTest("Proxies only in libzmq >= 3")
dev = devices.ThreadProxy(zmq.PULL, zmq.PUSH, zmq.PUSH)
iface = 'tcp://10.0.0.7'
port = dev.bind_in_to_random_port(iface)
port2 = dev.bind_out_to_random_port(iface)
port3 = dev.bind_mon_to_random_port(iface)
dev.start()
time.sleep(0.25)
msg = b'hello'
push = self.context.socket(zmq.PUSH)
push.connect("%s:%i" % (iface, port))
pull = self.context.socket(zmq.PULL)
pull.connect("%s:%i" % (iface, port2))
mon = self.context.socket(zmq.PULL)
mon.connect("%s:%i" % (iface, port3))
push.send(msg)
self.sockets.extend([push, pull, mon])
self.assertEqual(msg, self.recv(pull))
self.assertEqual(msg, self.recv(mon))
def set_hwm(self, value):
"""set the High Water Mark
On libzmq ≥ 3.x, this sets *both* SNDHWM and RCVHWM
"""
major = zmq.zmq_version_info()[0]
if major >= 3:
raised = None
try:
self.sndhwm = value
except Exception as e:
raised = e
try:
self.rcvhwm = value
except Exception:
raised = e
if raised:
raise raised
else:
return self.setsockopt(zmq.HWM, value)
def set_hwm(self, value):
"""set the High Water Mark
On libzmq ≥ 3.x, this sets *both* SNDHWM and RCVHWM
"""
major = zmq.zmq_version_info()[0]
if major >= 3:
raised = None
try:
self.sndhwm = value
except Exception as e:
raised = e
try:
self.rcvhwm = value
except Exception:
raised = e
if raised:
raise raised
else:
return self.setsockopt(zmq.HWM, value)
def __init__(self, broker, conf=None, context=None, io_loop = None):
if zmq.zmq_version_info() < (4, 0):
raise RuntimeError("monitoring in libzmq version < 4.0 is not supported")
conf = conf or {}
self._conf = dict(
autostart=conf.get('autostart') or False,
reconnect=conf.get('reconnect') or 1000,
heartbeat=conf.get('heartbeat') or 2500,
timeout=conf.get('timeout') or 60000,
retry=0,
prefix='C{0}'.format(uuid4())
)
print('client id {0}'.format( self._conf.get('prefix')))
self._liveness = HEARTBEAT_LIVENESS
self._broker = broker
self._loop = io_loop or ioloop.IOLoop.current()
self._ctx = context or zmq.Context.instance()
self._reqs = dict()
if self._conf['autostart']:
self.start()
def zmq_has_curve():
"""
Return whether the current ZMQ has support for auth and CurveZMQ security.
:rtype: bool
Version notes:
`zmq.curve_keypair()` is new in version 14.0, new in version libzmq-4.0.
Requires libzmq (>= 4.0) to have been linked with libsodium.
`zmq.auth` module is new in version 14.1
`zmq.has()` is new in version 14.1, new in version libzmq-4.1.
"""
if platform.system() == "Windows":
# TODO: curve is not working on windows #7919
return False
zmq_version = zmq.zmq_version_info()
pyzmq_version = zmq.pyzmq_version_info()
if pyzmq_version >= (14, 1, 0) and zmq_version >= (4, 1):
return zmq.has('curve')
if pyzmq_version < (14, 1, 0):
return False
if zmq_version < (4, 0):
# security is new in libzmq 4.0
return False
try:
zmq.curve_keypair()
except zmq.error.ZMQError:
# security requires libzmq to be linked against libsodium
return False
return True
import zlib
import os
import time
from tempfile import mkstemp
import six
from six.moves import cPickle as pickle
import snappy
from zmq import constants, error, Socket, ZMQError
from zope.interface import implementer
from twisted.internet import reactor
from twisted.internet.interfaces import IFileDescriptor, IReadDescriptor
from twisted.python import log
from zmq import zmq_version_info
ZMQ3 = zmq_version_info()[0] >= 3
from veles.txzmq.manager import ZmqContextManager
from veles.txzmq.sharedio import SharedIO
from veles.compat import lzma, from_none
from veles.logger import Logger
from veles.pickle2 import best_protocol
class ZmqEndpointType(object):
"""
Endpoint could be "bound" or "connected".
"""
bind = "bind"
"""
