How to use the txaio.resolve function in txaio

def on_leave(session, details):
                    self.log.info(
                        "session leaving '{details.reason}'",
                        details=details,
                    )
                    if not txaio.is_called(done):
                        if details.reason in [u"wamp.close.normal"]:
                            txaio.resolve(done, None)
                        else:
                            f = txaio.create_failure(
                                ApplicationError(details.reason)
                            )
                            txaio.reject(done, f)
                session.on('leave', on_leave)

def process(signature_raw):
                # convert the raw signature into a hex encode value (unicode string)
                signature_hex = binascii.b2a_hex(signature_raw).decode('ascii')

                # we return the concatenation of the signature and the message signed (96 bytes)
                data_hex = binascii.b2a_hex(data).decode('ascii')

                sig = signature_hex + data_hex
                txaio.resolve(d2, sig)

def session_done(x):
                        txaio.resolve(done_f, None)

elif isinstance(msg, message.Registered):

                if msg.request in self._register_reqs:

                    # get and pop outstanding register request
                    request = self._register_reqs.pop(msg.request)

                    # create new registration if not yet tracked
                    if msg.registration not in self._registrations:
                        registration = Registration(self, msg.registration, request.procedure, request.endpoint)
                        self._registrations[msg.registration] = registration
                    else:
                        raise ProtocolError("REGISTERED received for already existing registration ID {0}".format(msg.registration))

                    txaio.resolve(request.on_reply, registration)
                else:
                    raise ProtocolError("REGISTERED received for non-pending request ID {0}".format(msg.request))

            elif isinstance(msg, message.Unregistered):

                if msg.request == 0:
                    # this is a forced un-register either from a call
                    # to the wamp.* meta-api or the force_reregister
                    # option
                    try:
                        reg = self._registrations[msg.registration]
                    except KeyError:
                        raise ProtocolError(
                            "UNREGISTERED received for non-existant registration"
                            " ID {0}".format(msg.registration)
                        )

def connectionLost(self, reason):
        self.log.debug("WampRawSocketProtocol: connection lost: reason = '{reason}'", reason=reason)
        txaio.resolve(self.is_closed, self)
        try:
            wasClean = isinstance(reason.value, ConnectionDone)
            self._session.onClose(wasClean)
        except Exception as e:
            # silently ignore exceptions raised here ..
            self.log.warn("WampRawSocketProtocol: ApplicationSession.onClose raised ({err})", err=e)
        self._session = None

else:
                            if msg.kwargs:
                                if msg.args:
                                    res = types.CallResult(*msg.args, **msg.kwargs)
                                else:
                                    res = types.CallResult(**msg.kwargs)
                                txaio.resolve(on_reply, res)
                            else:
                                if msg.args:
                                    if len(msg.args) > 1:
                                        res = types.CallResult(*msg.args)
                                        txaio.resolve(on_reply, res)
                                    else:
                                        txaio.resolve(on_reply, msg.args[0])
                                else:
                                    txaio.resolve(on_reply, None)
                else:
                    raise ProtocolError("RESULT received for non-pending request ID {0}".format(msg.request))

            elif isinstance(msg, message.Invocation):

                if msg.request in self._invocations:

                    raise ProtocolError("INVOCATION received for request ID {0} already invoked".format(msg.request))

                else:

                    if msg.registration not in self._registrations:

                        raise ProtocolError("INVOCATION received for non-registered registration ID {0}".format(msg.registration))

                    else:

# drop original request
                        del self._call_reqs[msg.request]

                        # user callback that gets fired
                        on_reply = call_request.on_reply

                        # above might already have rejected, so we guard ..
                        if enc_err:
                            txaio.reject(on_reply, enc_err)
                        else:
                            if msg.kwargs:
                                if msg.args:
                                    res = types.CallResult(*msg.args, **msg.kwargs)
                                else:
                                    res = types.CallResult(**msg.kwargs)
                                txaio.resolve(on_reply, res)
                            else:
                                if msg.args:
                                    if len(msg.args) > 1:
                                        res = types.CallResult(*msg.args)
                                        txaio.resolve(on_reply, res)
                                    else:
                                        txaio.resolve(on_reply, msg.args[0])
                                else:
                                    txaio.resolve(on_reply, None)
                else:
                    raise ProtocolError("RESULT received for non-pending request ID {0}".format(msg.request))

            elif isinstance(msg, message.Invocation):

                if msg.request in self._invocations:

def on_leave(session, details):
                    self.log.info(
                        "session leaving '{details.reason}'",
                        details=details,
                    )
                    if self._entry and not txaio.is_called(done):
                        txaio.resolve(done, None)
                session.on('leave', on_leave)

elif isinstance(msg, message.Unsubscribed):

                if msg.request in self._unsubscribe_reqs:

                    # get and pop outstanding subscribe request
                    request = self._unsubscribe_reqs.pop(msg.request)

                    # if the subscription still exists, mark as inactive and remove ..
                    if request.subscription_id in self._subscriptions:
                        for subscription in self._subscriptions[request.subscription_id]:
                            subscription.active = False
                        del self._subscriptions[request.subscription_id]

                    # resolve deferred/future for unsubscribing successfully
                    txaio.resolve(request.on_reply, 0)
                else:
                    raise ProtocolError("UNSUBSCRIBED received for non-pending request ID {0}".format(msg.request))

            elif isinstance(msg, message.Result):

                if msg.request in self._call_reqs:

                    call_request = self._call_reqs[msg.request]
                    proc = call_request.procedure
                    enc_err = None

                    if msg.enc_algo:

                        if not self._payload_codec:
                            log_msg = u"received encoded payload, but no payload codec active"
                            self.log.warn(log_msg)

else:
                    raise ProtocolError("EVENT received for non-subscribed subscription ID {0}".format(msg.subscription))

            elif isinstance(msg, message.Published):

                if msg.request in self._publish_reqs:

                    # get and pop outstanding publish request
                    publish_request = self._publish_reqs.pop(msg.request)

                    # create a new publication object
                    publication = Publication(msg.publication, was_encrypted=publish_request.was_encrypted)

                    # resolve deferred/future for publishing successfully
                    txaio.resolve(publish_request.on_reply, publication)
                else:
                    raise ProtocolError("PUBLISHED received for non-pending request ID {0}".format(msg.request))

            elif isinstance(msg, message.Subscribed):

                if msg.request in self._subscribe_reqs:

                    # get and pop outstanding subscribe request
                    request = self._subscribe_reqs.pop(msg.request)

                    # create new handler subscription list for subscription ID if not yet tracked
                    if msg.subscription not in self._subscriptions:
                        self._subscriptions[msg.subscription] = []

                    subscription = Subscription(msg.subscription, request.topic, self, request.handler)