Ejemplo n.º 1
0
def test_prereg_reg_with_notifications(solo_lcs1, solo_lcs2):
    lcs1, lcs2 = solo_lcs1, solo_lcs2

    notifyAddr = ActorAddress('notify')

    lcs1.add_notification_handler(notifyAddr)

    lcs1_prereg_2_convreg = ConventionRegister(
        lcs2.myAddress, {'Admin Port': lcs2.capabilities['Admin Port']},
        firstTime=False,
        preRegister=True)
    lcs1_to_2_convreg_first = ConventionRegister(lcs1.myAddress,
                                                 lcs1.capabilities,
                                                 firstTime=True,
                                                 preRegister=False)
    lcs2_to_1_convreg = ConventionRegister(lcs2.myAddress,
                                           lcs2.capabilities,
                                           firstTime=False,
                                           preRegister=False)
    lcs1_to_2_convreg = ConventionRegister(lcs1.myAddress,
                                           lcs1.capabilities,
                                           firstTime=False,
                                           preRegister=False)

    verify_io(lcs1.got_convention_register(lcs1_prereg_2_convreg), [
        (LostRemote, None),
        (HysteresisCancel, None),
        (ConventionRegister, lambda r, a:
         (r == lcs1_to_2_convreg_first and a == lcs2.myAddress)),
    ])

    # lcs2 gets the ConventionRegister generated above, and responds
    # with actual info of its own.  If the other side is indicating
    # firstTime, that means it has no previous knowledge; this side
    # should not also set firstTime or that will bounce back and forth
    # indefinitely.  Note that this side will perform a transport
    # reset (LostRemote and HysteresisCancel); the TCPTransport may
    # ignore the transport reset for TXOnly addresses.

    verify_io(lcs2.got_convention_register(lcs1_to_2_convreg_first), [
        (LostRemote, None),
        (HysteresisCancel, None),
        (ConventionRegister, lambda r, a:
         (r == lcs2_to_1_convreg and a == lcs1.myAddress)),
    ])

    # lcs1 gets full ConventionRegister from lcs2.  This should also
    # cause an update notification with the full specification.
    verify_io(lcs1.got_convention_register(lcs2_to_1_convreg), [
        (ConventionRegister, lambda r, a:
         (r == lcs1_to_2_convreg and a == lcs2.myAddress)),
        (ActorSystemConventionUpdate, lambda r, a:
         (r == ActorSystemConventionUpdate(lcs2.myAddress,
                                           lcs2.capabilities,
                                           added=True) and a == notifyAddr)),
    ])

    verify_normal_notification_updates(lcs1, lcs2)
Ejemplo n.º 2
0
def test_reg_with_notifications(lcs1, lcs2):
    notifyAddr = ActorAddress('notify')

    lcs1.add_notification_handler(notifyAddr)

    lcs2_to_1_convreg_first = lcs2._expected_setup_convreg
    lcs1_to_2_convreg_first = ConventionRegister(lcs1.myAddress,
                                                 lcs1.capabilities,
                                                 firstTime=False,
                                                 preRegister=False)
    lcs2_to_1_convreg = ConventionRegister(lcs2.myAddress,
                                           lcs2.capabilities,
                                           firstTime=False,
                                           preRegister=False)
    lcs1_to_2_convreg = ConventionRegister(lcs1.myAddress,
                                           lcs1.capabilities,
                                           firstTime=False,
                                           preRegister=False)

    verify_io(lcs1.got_convention_register(lcs2_to_1_convreg_first), [
        (LostRemote, None),
        (HysteresisCancel, None),
        (ConventionRegister, lambda r, a:
         (r == lcs1_to_2_convreg_first and a == lcs2.myAddress)),
        (ActorSystemConventionUpdate, lambda r, a:
         (r == ActorSystemConventionUpdate(lcs2.myAddress,
                                           lcs2.capabilities,
                                           added=True) and a == notifyAddr)),
    ])

    verify_io(lcs2.got_convention_register(lcs1_to_2_convreg_first), [])

    # Non-convention leader generates periodic registrations to the
    # leader (i.e. keepalive) and the leader responds accordingly.

    verify_io(lcs1.got_convention_register(lcs2_to_1_convreg), [
        (ConventionRegister, lambda r, a:
         (r == lcs1_to_2_convreg and a == lcs2.myAddress)),
    ])
    verify_io(lcs2.got_convention_register(lcs1_to_2_convreg), [])
    verify_io(lcs1.got_convention_register(lcs2_to_1_convreg), [
        (ConventionRegister, lambda r, a:
         (r == lcs1_to_2_convreg and a == lcs2.myAddress)),
    ])
    verify_io(lcs2.got_convention_register(lcs1_to_2_convreg), [])

    # Convention check shows all is in order and nothing needs to be done

    assert [] == lcs1.check_convention()
    assert [] == lcs2.check_convention()

    return notifyAddr  # used by callers
Ejemplo n.º 3
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def test_check_before_activate_with_notifications(lcs1, lcs2):
    ret = LocalConventionState(
        ActorAddress(1), {
            'Admin Port': 1,
            'Convention Address.IPv4': ActorAddress(1),
            'popsicle': 'cold'
        }, StatsManager(), lambda x: ActorAddress(1))
    # Activate the system
    verify_io(ret.setup_convention(), [])

    notifyAddr = ActorAddress('notify')

    lcs1.add_notification_handler(notifyAddr)

    ret = LocalConventionState(
        ActorAddress(2), {
            'Admin Port': 2,
            'Convention Address.IPv4': ActorAddress(1),
            'apple pie': 'hot'
        }, StatsManager(), lambda x: ActorAddress(1))
    ret._expected_setup_convreg = ConventionRegister(ActorAddress(2),
                                                     ret.capabilities,
                                                     firstTime=True,
                                                     preRegister=False)

    verify_io(ret.check_convention(), [])

    # Activate the system
    verify_io(ret.setup_convention(), [
        (ConventionRegister, lambda r, a:
         (r == ret._expected_setup_convreg and a == ActorAddress(1))),
        (LogAggregator, None),
    ])
Ejemplo n.º 4
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def test_reg_dereg_rereg_with_delay_and_updates(lcs1, lcs2):

    # Setup both in the registered condition
    notifyAddr = test_reg_with_notifications(lcs1, lcs2)

    # Now add some elapsed time and check update messages

    lcs2_rereg = ConventionRegister(lcs2.myAddress,
                                    lcs2.capabilities,
                                    preRegister=False,
                                    firstTime=False)

    lcs2_exited_update = ActorSystemConventionUpdate(lcs2.myAddress,
                                                     lcs2.capabilities,
                                                     added=False)

    with patch('thespian.system.utilis.datetime') as p_datetime:
        p_datetime.now.return_value = (datetime.now() +
                                       CONVENTION_REREGISTRATION_PERIOD +
                                       timedelta(seconds=1))
        # Convention leader does not take action
        verify_io(lcs1.check_convention(), [])
        # But convention member should re-up their membership
        verify_io(lcs2.check_convention(), [
            (ConventionRegister,
             lambda r, a: r == lcs2_rereg and a == lcs1.myAddress),
            (LogAggregator, None),
        ])

    # Too long
    with patch('thespian.system.utilis.datetime') as p_datetime:
        p_datetime.now.return_value = (datetime.now() +
                                       (CONVENTION_REREGISTRATION_PERIOD *
                                        CONVENTION_REGISTRATION_MISS_MAX) +
                                       timedelta(seconds=1))
        # Convention leader does not take action
        verify_io(lcs1.check_convention(), [
            (LostRemote, None),
            (ActorSystemConventionUpdate, lambda r, a:
             (r == lcs2_exited_update and a == notifyAddr)),
            (HysteresisCancel, None),
        ])
        # But convention member should re-up their membership
        verify_io(lcs2.check_convention(), [
            (ConventionRegister,
             lambda r, a: r == lcs2_rereg and a == lcs1.myAddress),
            (LogAggregator, None),
        ])

    lcs2_to_1_convdereg = ConventionDeRegister(lcs2.myAddress,
                                               preRegistered=False)

    verify_io(lcs1.got_convention_deregister(lcs2_to_1_convdereg), [
        (LostRemote, None),
        (HysteresisCancel, None),
    ])

    test_reg_with_notifications(lcs1, lcs2)
Ejemplo n.º 5
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 def preRegisterRemoteSystem(self, remoteAddress, remoteCapabilities):
     from thespian.system.messages.convention import ConventionRegister
     self._send_intent(
         TransmitIntent(
             self._adminAddr,
             ConventionRegister(
                 self.transport.getAddressFromString(remoteAddress),
                 remoteCapabilities,
                 preRegister=True)))
Ejemplo n.º 6
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def verify_normal_notification_updates(lcs1, lcs2):

    # Convention member generates periodic registrations to the leader
    # (i.e. keepalive) and the leader responds accordingly.

    lcs2_to_1_convreg = ConventionRegister(lcs2.myAddress,
                                           lcs2.capabilities,
                                           firstTime=False,
                                           preRegister=False)
    lcs1_to_2_convreg = ConventionRegister(lcs1.myAddress,
                                           lcs1.capabilities,
                                           firstTime=False,
                                           preRegister=False)

    verify_io(lcs1.got_convention_register(lcs2_to_1_convreg), [
        (ConventionRegister, lambda r, a:
         (r == lcs1_to_2_convreg and a == lcs2.myAddress)),
    ])
    verify_io(lcs2.got_convention_register(lcs1_to_2_convreg), [])
    verify_io(lcs1.got_convention_register(lcs2_to_1_convreg), [
        (ConventionRegister, lambda r, a:
         (r == lcs1_to_2_convreg and a == lcs2.myAddress)),
    ])
    verify_io(lcs2.got_convention_register(lcs1_to_2_convreg), [])
Ejemplo n.º 7
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def lcs2():
    ret = LocalConventionState(
        ActorAddress(2), {
            'Admin Port': 2,
            'Convention Address.IPv4': ActorAddress(1),
            'apple pie': 'hot'
        }, StatsManager(), lambda x: ActorAddress(1))
    ret._expected_setup_convreg = ConventionRegister(ActorAddress(2),
                                                     ret.capabilities,
                                                     firstTime=True,
                                                     preRegister=False)
    # Activate the system
    verify_io(ret.setup_convention(activation=True), [
        (ConventionRegister, lambda r, a:
         (r == ret._expected_setup_convreg and a == ActorAddress(1))),
        (LogAggregator, None),
    ])
    # KWQ: above is a HysteresisSend
    return ret
Ejemplo n.º 8
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def test_prereg_reg(solo_lcs1, solo_lcs2):

    lcs1, lcs2 = solo_lcs1, solo_lcs2

    # This test sends a pre-registration to lcs1 for lcs2, which
    # should cause lcs1 to actually register with lcs2 and lcs2 to
    # retro-register with its actual data.
    lcs1_prereg_2_convreg = ConventionRegister(lcs2.myAddress,
                                               lcs2.capabilities,
                                               firstTime=False,
                                               preRegister=True)
    lcs1_to_2_convreg_first = ConventionRegister(lcs1.myAddress,
                                                 lcs1.capabilities,
                                                 firstTime=True,
                                                 preRegister=False)
    lcs2_to_1_convreg = ConventionRegister(lcs2.myAddress,
                                           lcs2.capabilities,
                                           firstTime=False,
                                           preRegister=False)
    lcs1_to_2_convreg = ConventionRegister(lcs1.myAddress,
                                           lcs1.capabilities,
                                           firstTime=False,
                                           preRegister=False)

    # Pre-register lcs2 with lcs1 and verify lcs1 sends its own info
    # to lcs2.  The registration indicated pre-registration but not an
    # assertion of first time (which would cause all existing remote
    # information to be dropped and all remote actors to be shutdown)
    # because this system may already know about the remote.  In this
    # scenario, lcs1 does not know about lcs2, so it should set the
    # first time indication on the info sent to lcs2.

    verify_io(lcs1.got_convention_register(lcs1_prereg_2_convreg), [
        (LostRemote, None),
        (HysteresisCancel, None),
        (ConventionRegister, lambda r, a:
         (r == lcs1_to_2_convreg_first and a == lcs2.myAddress)),
    ])

    # lcs2 gets the ConventionRegister generated above, and responds
    # with actual info of its own.  If the other side is indicating
    # firstTime, that means it has no previous knowledge; this side
    # should not also set firstTime or that will bounce back and forth
    # indefinitely.  Note that this side will perform a transport
    # reset (LostRemote and HysteresisCancel); the TCPTransport may
    # ignore the transport reset for TXOnly addresses.

    verify_io(lcs2.got_convention_register(lcs1_to_2_convreg_first), [
        (LostRemote, None),
        (HysteresisCancel, None),
        (ConventionRegister, lambda r, a:
         (r == lcs2_to_1_convreg and a == lcs1.myAddress)),
    ])

    # lcs1 gets full ConventionRegister from lcs2.  This should also
    # cause an update notification with the full specification.
    verify_io(lcs1.got_convention_register(lcs2_to_1_convreg), [
        (ConventionRegister, lambda r, a:
         (r == lcs1_to_2_convreg and a == lcs2.myAddress)),
    ])

    verify_normal_notification_updates(lcs1, lcs2)

    assert [] == lcs1.check_convention()
    assert [] == lcs2.check_convention()
Ejemplo n.º 9
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def test_reg_with_multiple_notifications(lcs1, lcs2):

    notifyAddr1 = ActorAddress('notify1')
    lcs1.add_notification_handler(notifyAddr1)

    notifyAddr2 = ActorAddress('notify2')
    lcs1.add_notification_handler(notifyAddr2)

    notifyAddr3 = ActorAddress('notify3')
    lcs1.add_notification_handler(notifyAddr3)

    # KWQ: lcs2.add_notification_handler .. never gets called

    lcs2_to_1_convreg_first = lcs2._expected_setup_convreg
    lcs1_to_2_convreg_first = ConventionRegister(lcs1.myAddress,
                                                 lcs1.capabilities,
                                                 firstTime=False,
                                                 preRegister=False)
    lcs2_to_1_convreg = ConventionRegister(lcs2.myAddress,
                                           lcs2.capabilities,
                                           firstTime=False,
                                           preRegister=False)
    lcs1_to_2_convreg = ConventionRegister(lcs1.myAddress,
                                           lcs1.capabilities,
                                           firstTime=False,
                                           preRegister=False)
    notificationUp = ActorSystemConventionUpdate(lcs2.myAddress,
                                                 lcs2.capabilities,
                                                 added=True)

    verify_io(lcs1.got_convention_register(lcs2_to_1_convreg_first), [
        (LostRemote, None),
        (HysteresisCancel, None),
        (ConventionRegister, lambda r, a:
         (r == lcs1_to_2_convreg_first and a == lcs2.myAddress)),
        (ActorSystemConventionUpdate, lambda r, a:
         (r == notificationUp and a == notifyAddr1)),
        (ActorSystemConventionUpdate, lambda r, a:
         (r == notificationUp and a == notifyAddr2)),
        (ActorSystemConventionUpdate, lambda r, a:
         (r == notificationUp and a == notifyAddr3)),
    ])

    verify_io(lcs2.got_convention_register(lcs1_to_2_convreg_first), [])

    # Non-convention leader generates periodic registrations to the
    # leader (i.e. keepalive) and the leader responds accordingly.

    verify_io(lcs1.got_convention_register(lcs2_to_1_convreg), [
        (ConventionRegister, lambda r, a:
         (r == lcs1_to_2_convreg and a == lcs2.myAddress)),
    ])
    verify_io(lcs2.got_convention_register(lcs1_to_2_convreg), [])
    verify_io(lcs1.got_convention_register(lcs2_to_1_convreg), [
        (ConventionRegister, lambda r, a:
         (r == lcs1_to_2_convreg and a == lcs2.myAddress)),
    ])
    verify_io(lcs2.got_convention_register(lcs1_to_2_convreg), [])

    # De-registration

    lcs2_to_1_convdereg = ConventionDeRegister(lcs2.myAddress,
                                               preRegistered=False)
    notificationDown = ActorSystemConventionUpdate(lcs2.myAddress,
                                                   lcs2.capabilities,
                                                   added=False)

    verify_io(lcs1.got_convention_deregister(lcs2_to_1_convdereg), [
        (LostRemote, None),
        (ActorSystemConventionUpdate, lambda r, a:
         (r == notificationDown and a == notifyAddr1)),
        (ActorSystemConventionUpdate, lambda r, a:
         (r == notificationDown and a == notifyAddr2)),
        (ActorSystemConventionUpdate, lambda r, a:
         (r == notificationDown and a == notifyAddr3)),
        (HysteresisCancel, None),
    ])