def stage(mocker):
    stage = pipeline_stages_mqtt.MQTTTransportStage()
    root = pipeline_stages_base.PipelineRootStage()

    stage.previous = root
    root.next = stage
    stage.pipeline_root = root

    mocker.spy(root, "handle_pipeline_event")
    mocker.spy(stage, "on_connected")
    mocker.spy(stage, "on_disconnected")

    return stage
    def __init__(self, auth_provider, pipeline_configuration):
        """
        Constructor for instantiating a pipeline adapter object
        :param auth_provider: The authentication provider
        :param pipeline_configuration: The configuration generated based on user inputs
        """

        self.feature_enabled = {
            constant.C2D_MSG: False,
            constant.INPUT_MSG: False,
            constant.METHODS: False,
            constant.TWIN: False,
            constant.TWIN_PATCHES: False,
        }

        # Event Handlers - Will be set by Client after instantiation of this object
        self.on_connected = None
        self.on_disconnected = None
        self.on_c2d_message_received = None
        self.on_input_message_received = None
        self.on_method_request_received = None
        self.on_twin_patch_received = None

        # Currently a single timeout stage and a single retry stage for MQTT retry only.
        # Later, a higher level timeout and a higher level retry stage.
        self._pipeline = (pipeline_stages_base.PipelineRootStage(
            pipeline_configuration=pipeline_configuration
        ).append_stage(pipeline_stages_iothub.UseAuthProviderStage(
        )).append_stage(pipeline_stages_iothub.TwinRequestResponseStage(
        )).append_stage(pipeline_stages_base.CoordinateRequestAndResponseStage(
        )).append_stage(
            pipeline_stages_iothub_mqtt.IoTHubMQTTTranslationStage()
        ).append_stage(pipeline_stages_base.ReconnectStage()).append_stage(
            pipeline_stages_base.AutoConnectStage()).append_stage(
                pipeline_stages_base.ConnectionLockStage()).append_stage(
                    pipeline_stages_base.RetryStage()).append_stage(
                        pipeline_stages_base.OpTimeoutStage()).append_stage(
                            pipeline_stages_mqtt.MQTTTransportStage()))

        def _on_pipeline_event(event):
            if isinstance(event, pipeline_events_iothub.C2DMessageEvent):
                if self.on_c2d_message_received:
                    self.on_c2d_message_received(event.message)
                else:
                    logger.warning(
                        "C2D message event received with no handler.  dropping."
                    )

            elif isinstance(event, pipeline_events_iothub.InputMessageEvent):
                if self.on_input_message_received:
                    self.on_input_message_received(event.input_name,
                                                   event.message)
                else:
                    logger.warning(
                        "input message event received with no handler.  dropping."
                    )

            elif isinstance(event, pipeline_events_iothub.MethodRequestEvent):
                if self.on_method_request_received:
                    self.on_method_request_received(event.method_request)
                else:
                    logger.warning(
                        "Method request event received with no handler. Dropping."
                    )

            elif isinstance(
                    event,
                    pipeline_events_iothub.TwinDesiredPropertiesPatchEvent):
                if self.on_twin_patch_received:
                    self.on_twin_patch_received(event.patch)
                else:
                    logger.warning(
                        "Twin patch event received with no handler. Dropping.")

            else:
                logger.warning("Dropping unknown pipeline event {}".format(
                    event.name))

        def _on_connected():
            if self.on_connected:
                self.on_connected()

        def _on_disconnected():
            if self.on_disconnected:
                self.on_disconnected()

        self._pipeline.on_pipeline_event_handler = _on_pipeline_event
        self._pipeline.on_connected_handler = _on_connected
        self._pipeline.on_disconnected_handler = _on_disconnected

        callback = EventedCallback()

        if isinstance(auth_provider, X509AuthenticationProvider):
            op = pipeline_ops_iothub.SetX509AuthProviderOperation(
                auth_provider=auth_provider, callback=callback)
        else:  # Currently everything else goes via this block.
            op = pipeline_ops_iothub.SetAuthProviderOperation(
                auth_provider=auth_provider, callback=callback)

        self._pipeline.run_op(op)
        callback.wait_for_completion()
    def __init__(self, auth_provider):
        """
        Constructor for instantiating a pipeline adapter object
        :param auth_provider: The authentication provider
        """
        self.feature_enabled = {
            constant.C2D_MSG: False,
            constant.INPUT_MSG: False,
            constant.METHODS: False,
            constant.TWIN: False,
            constant.TWIN_PATCHES: False,
        }

        # Event Handlers - Will be set by Client after instantiation of this object
        self.on_connected = None
        self.on_disconnected = None
        self.on_c2d_message_received = None
        self.on_input_message_received = None
        self.on_method_request_received = None
        self.on_twin_patch_received = None

        self._pipeline = (
            pipeline_stages_base.PipelineRootStage()
            .append_stage(pipeline_stages_iothub.UseAuthProviderStage())
            .append_stage(pipeline_stages_iothub.HandleTwinOperationsStage())
            .append_stage(pipeline_stages_base.CoordinateRequestAndResponseStage())
            .append_stage(pipeline_stages_iothub_mqtt.IoTHubMQTTConverterStage())
            .append_stage(pipeline_stages_base.EnsureConnectionStage())
            .append_stage(pipeline_stages_base.SerializeConnectOpsStage())
            .append_stage(pipeline_stages_mqtt.MQTTTransportStage())
        )

        def _on_pipeline_event(event):
            if isinstance(event, pipeline_events_iothub.C2DMessageEvent):
                if self.on_c2d_message_received:
                    self.on_c2d_message_received(event.message)
                else:
                    logger.warning("C2D message event received with no handler.  dropping.")

            elif isinstance(event, pipeline_events_iothub.InputMessageEvent):
                if self.on_input_message_received:
                    self.on_input_message_received(event.input_name, event.message)
                else:
                    logger.warning("input message event received with no handler.  dropping.")

            elif isinstance(event, pipeline_events_iothub.MethodRequestEvent):
                if self.on_method_request_received:
                    self.on_method_request_received(event.method_request)
                else:
                    logger.warning("Method request event received with no handler. Dropping.")

            elif isinstance(event, pipeline_events_iothub.TwinDesiredPropertiesPatchEvent):
                if self.on_twin_patch_received:
                    self.on_twin_patch_received(event.patch)
                else:
                    logger.warning("Twin patch event received with no handler. Dropping.")

            else:
                logger.warning("Dropping unknown pipeline event {}".format(event.name))

        def _on_connected():
            if self.on_connected:
                self.on_connected()

        def _on_disconnected():
            if self.on_disconnected:
                self.on_disconnected()

        self._pipeline.on_pipeline_event_handler = _on_pipeline_event
        self._pipeline.on_connected_handler = _on_connected
        self._pipeline.on_disconnected_handler = _on_disconnected

        def remove_this_code(call):
            if call.error:
                raise call.error

        if isinstance(auth_provider, X509AuthenticationProvider):
            op = pipeline_ops_iothub.SetX509AuthProviderOperation(
                auth_provider=auth_provider, callback=remove_this_code
            )
        else:  # Currently everything else goes via this block.
            op = pipeline_ops_iothub.SetAuthProviderOperation(
                auth_provider=auth_provider, callback=remove_this_code
            )

        self._pipeline.run_op(op)
    def __init__(self, pipeline_configuration):
        """
        Constructor for instantiating a pipeline
        :param security_client: The security client which stores credentials
        """
        self.responses_enabled = {provisioning_constants.REGISTER: False}

        # Event Handlers - Will be set by Client after instantiation of pipeline
        self.on_connected = None
        self.on_disconnected = None
        self.on_message_received = None
        self._registration_id = pipeline_configuration.registration_id

        self._pipeline = (
            #
            # The root is always the root.  By definition, it's the first stage in the pipeline.
            #
            pipeline_stages_base.PipelineRootStage(
                pipeline_configuration=pipeline_configuration)
            #
            # SasTokenRenewalStage comes near the root by default because it should be as close
            # to the top of the pipeline as possible, and does not need to be after anything.
            #
            .append_stage(pipeline_stages_base.SasTokenRenewalStage())
            #
            # RegistrationStage needs to come early because this is the stage that converts registration
            # or query requests into request and response objects which are used by later stages
            #
            .append_stage(pipeline_stages_provisioning.RegistrationStage())
            #
            # PollingStatusStage needs to come after RegistrationStage because RegistrationStage counts
            # on PollingStatusStage to poll until the registration is complete.
            #
            .append_stage(pipeline_stages_provisioning.PollingStatusStage())
            #
            # CoordinateRequestAndResponseStage needs to be after RegistrationStage and PollingStatusStage
            # because these 2 stages create the request ops that CoordinateRequestAndResponseStage
            # is coordinating.  It needs to be before ProvisioningMQTTTranslationStage because that stage
            # operates on ops that CoordinateRequestAndResponseStage produces
            #
            .append_stage(
                pipeline_stages_base.CoordinateRequestAndResponseStage())
            #
            # ProvisioningMQTTTranslationStage comes here because this is the point where we can translate
            # all operations directly into MQTT.  After this stage, only pipeline_stages_base stages
            # are allowed because ProvisioningMQTTTranslationStage removes all the provisioning-ness from the ops
            #
            .append_stage(pipeline_stages_provisioning_mqtt.
                          ProvisioningMQTTTranslationStage())
            #
            # AutoConnectStage comes here because only MQTT ops have the need_connection flag set
            # and this is the first place in the pipeline wherer we can guaranetee that all network
            # ops are MQTT ops.
            #
            .append_stage(pipeline_stages_base.AutoConnectStage())
            #
            # ReconnectStage needs to be after AutoConnectStage because ReconnectStage sets/clears
            # the virtually_conencted flag and we want an automatic connection op to set this flag so
            # we can reconnect autoconnect operations.
            #
            .append_stage(pipeline_stages_base.ReconnectStage())
            #
            # ConnectionLockStage needs to be after ReconnectStage because we want any ops that
            # ReconnectStage creates to go through the ConnectionLockStage gate
            #
            .append_stage(pipeline_stages_base.ConnectionLockStage())
            #
            # RetryStage needs to be near the end because it's retrying low-level MQTT operations.
            #
            .append_stage(pipeline_stages_base.RetryStage())
            #
            # OpTimeoutStage needs to be after RetryStage because OpTimeoutStage returns the timeout
            # errors that RetryStage is watching for.
            #
            .append_stage(pipeline_stages_base.OpTimeoutStage())
            #
            # MQTTTransportStage needs to be at the very end of the pipeline because this is where
            # operations turn into network traffic
            #
            .append_stage(pipeline_stages_mqtt.MQTTTransportStage()))

        def _on_pipeline_event(event):
            logger.warning("Dropping unknown pipeline event {}".format(
                event.name))

        def _on_connected():
            if self.on_connected:
                self.on_connected("connected")

        def _on_disconnected():
            if self.on_disconnected:
                self.on_disconnected("disconnected")

        self._pipeline.on_pipeline_event_handler = _on_pipeline_event
        self._pipeline.on_connected_handler = _on_connected
        self._pipeline.on_disconnected_handler = _on_disconnected

        callback = EventedCallback()
        op = pipeline_ops_base.InitializePipelineOperation(callback=callback)

        self._pipeline.run_op(op)
        callback.wait_for_completion()
Beispiel #5
0
    def __init__(self, auth_provider, pipeline_configuration):
        """
        Constructor for instantiating a pipeline adapter object
        :param auth_provider: The authentication provider
        :param pipeline_configuration: The configuration generated based on user inputs
        """

        self.feature_enabled = {
            constant.C2D_MSG: False,
            constant.INPUT_MSG: False,
            constant.METHODS: False,
            constant.TWIN: False,
            constant.TWIN_PATCHES: False,
        }

        # Event Handlers - Will be set by Client after instantiation of this object
        self.on_connected = None
        self.on_disconnected = None
        self.on_c2d_message_received = None
        self.on_input_message_received = None
        self.on_method_request_received = None
        self.on_twin_patch_received = None

        # Currently a single timeout stage and a single retry stage for MQTT retry only.
        # Later, a higher level timeout and a higher level retry stage.
        self._pipeline = (
            #
            # The root is always the root.  By definition, it's the first stage in the pipeline.
            #
            pipeline_stages_base.PipelineRootStage(
                pipeline_configuration=pipeline_configuration)
            #
            # UseAuthProviderStage comes near the root by default because it doesn't need to be after
            # anything, but it does need to be before IoTHubMQTTTranslationStage.
            #
            .append_stage(pipeline_stages_iothub.UseAuthProviderStage())
            #
            # TwinRequestResponseStage comes near the root by default because it doesn't need to be
            # after anything
            #
            .append_stage(pipeline_stages_iothub.TwinRequestResponseStage())
            #
            # CoordinateRequestAndResponseStage needs to be after TwinRequestResponseStage because
            # TwinRequestResponseStage creates the request ops that CoordinateRequestAndResponseStage
            # is coordinating.  It needs to be before IoTHubMQTTTranslationStage because that stage
            # operates on ops that CoordinateRequestAndResponseStage produces
            #
            .append_stage(
                pipeline_stages_base.CoordinateRequestAndResponseStage())
            #
            # IoTHubMQTTTranslationStage comes here because this is the point where we can translate
            # all operations directly into MQTT.  After this stage, only pipeline_stages_base stages
            # are allowed because IoTHubMQTTTranslationStage removes all the IoTHub-ness from the ops
            #
            .append_stage(
                pipeline_stages_iothub_mqtt.IoTHubMQTTTranslationStage())
            #
            # AutoConnectStage comes here because only MQTT ops have the need_connection flag set
            # and this is the first place in the pipeline wherer we can guaranetee that all network
            # ops are MQTT ops.
            #
            .append_stage(pipeline_stages_base.AutoConnectStage())
            #
            # ReconnectStage needs to be after AutoConnectStage because ReconnectStage sets/clears
            # the virtually_conencted flag and we want an automatic connection op to set this flag so
            # we can reconnect autoconnect operations.  This is important, for example, if a
            # send_message causes the transport to automatically connect, but that connection fails.
            # When that happens, the ReconenctState will hold onto the ConnectOperation until it
            # succeeds, and only then will return success to the AutoConnectStage which will
            # allow the publish to continue.
            #
            .append_stage(pipeline_stages_base.ReconnectStage())
            #
            # ConnectionLockStage needs to be after ReconnectStage because we want any ops that
            # ReconnectStage creates to go through the ConnectionLockStage gate
            #
            .append_stage(pipeline_stages_base.ConnectionLockStage())
            #
            # RetryStage needs to be near the end because it's retrying low-level MQTT operations.
            #
            .append_stage(pipeline_stages_base.RetryStage())
            #
            # OpTimeoutStage needs to be after RetryStage because OpTimeoutStage returns the timeout
            # errors that RetryStage is watching for.
            #
            .append_stage(pipeline_stages_base.OpTimeoutStage())
            #
            # MQTTTransportStage needs to be at the very end of the pipeline because this is where
            # operations turn into network traffic
            #
            .append_stage(pipeline_stages_mqtt.MQTTTransportStage()))

        def _on_pipeline_event(event):
            if isinstance(event, pipeline_events_iothub.C2DMessageEvent):
                if self.on_c2d_message_received:
                    self.on_c2d_message_received(event.message)
                else:
                    logger.warning(
                        "C2D message event received with no handler.  dropping."
                    )

            elif isinstance(event, pipeline_events_iothub.InputMessageEvent):
                if self.on_input_message_received:
                    self.on_input_message_received(event.input_name,
                                                   event.message)
                else:
                    logger.warning(
                        "input message event received with no handler.  dropping."
                    )

            elif isinstance(event, pipeline_events_iothub.MethodRequestEvent):
                if self.on_method_request_received:
                    self.on_method_request_received(event.method_request)
                else:
                    logger.warning(
                        "Method request event received with no handler. Dropping."
                    )

            elif isinstance(
                    event,
                    pipeline_events_iothub.TwinDesiredPropertiesPatchEvent):
                if self.on_twin_patch_received:
                    self.on_twin_patch_received(event.patch)
                else:
                    logger.warning(
                        "Twin patch event received with no handler. Dropping.")

            else:
                logger.warning("Dropping unknown pipeline event {}".format(
                    event.name))

        def _on_connected():
            if self.on_connected:
                self.on_connected()

        def _on_disconnected():
            if self.on_disconnected:
                self.on_disconnected()

        self._pipeline.on_pipeline_event_handler = _on_pipeline_event
        self._pipeline.on_connected_handler = _on_connected
        self._pipeline.on_disconnected_handler = _on_disconnected

        callback = EventedCallback()

        if isinstance(auth_provider, X509AuthenticationProvider):
            op = pipeline_ops_iothub.SetX509AuthProviderOperation(
                auth_provider=auth_provider, callback=callback)
        else:  # Currently everything else goes via this block.
            op = pipeline_ops_iothub.SetAuthProviderOperation(
                auth_provider=auth_provider, callback=callback)

        self._pipeline.run_op(op)
        callback.wait_for_completion()
    def __init__(self, pipeline_configuration):
        """
        Constructor for instantiating a pipeline adapter object
        :param auth_provider: The authentication provider
        :param pipeline_configuration: The configuration generated based on user inputs
        """

        self.feature_enabled = {
            constant.C2D_MSG: False,
            constant.INPUT_MSG: False,
            constant.METHODS: False,
            constant.TWIN: False,
            constant.TWIN_PATCHES: False,
        }

        # Handlers - Will be set by Client after instantiation of this object
        self.on_connected = None
        self.on_disconnected = None
        self.on_new_sastoken_required = None
        self.on_background_exception = None

        self.on_c2d_message_received = None
        self.on_input_message_received = None
        self.on_method_request_received = None
        self.on_twin_patch_received = None

        # Contains data and information shared globally within the pipeline
        self._nucleus = pipeline_nucleus.PipelineNucleus(pipeline_configuration)

        self._pipeline = (
            #
            # The root is always the root.  By definition, it's the first stage in the pipeline.
            #
            pipeline_stages_base.PipelineRootStage(self._nucleus)
            #
            # SasTokenStage comes near the root by default because it should be as close
            # to the top of the pipeline as possible, and does not need to be after anything.
            #
            .append_stage(pipeline_stages_base.SasTokenStage())
            #
            # EnsureDesiredPropertiesStage needs to be above TwinRequestResponseStage because it
            # sends GetTwinOperation ops and that stage handles those ops.
            #
            .append_stage(pipeline_stages_iothub.EnsureDesiredPropertiesStage())
            #
            # TwinRequestResponseStage comes near the root by default because it doesn't need to be
            # after anything
            #
            .append_stage(pipeline_stages_iothub.TwinRequestResponseStage())
            #
            # CoordinateRequestAndResponseStage needs to be after TwinRequestResponseStage because
            # TwinRequestResponseStage creates the request ops that CoordinateRequestAndResponseStage
            # is coordinating.  It needs to be before IoTHubMQTTTranslationStage because that stage
            # operates on ops that CoordinateRequestAndResponseStage produces
            #
            .append_stage(pipeline_stages_base.CoordinateRequestAndResponseStage())
            #
            # IoTHubMQTTTranslationStage comes here because this is the point where we can translate
            # all operations directly into MQTT.  After this stage, only pipeline_stages_base stages
            # are allowed because IoTHubMQTTTranslationStage removes all the IoTHub-ness from the ops
            #
            .append_stage(pipeline_stages_iothub_mqtt.IoTHubMQTTTranslationStage())
            #
            # AutoConnectStage comes here because only MQTT ops have the need_connection flag set
            # and this is the first place in the pipeline where we can guarantee that all network
            # ops are MQTT ops.
            #
            .append_stage(pipeline_stages_base.AutoConnectStage())
            #
            # ConnectionStateStage needs to be after AutoConnectStage because the AutoConnectStage
            # can create ConnectOperations and we (may) want to queue connection related operations
            # in the ConnectionStateStage
            #
            .append_stage(pipeline_stages_base.ConnectionStateStage())
            #
            # ConnectionLockStage needs to be after ConnectionStateStage because we want any ops that
            # ConnectionStateStage creates to go through the ConnectionLockStage gate
            #
            .append_stage(pipeline_stages_base.ConnectionLockStage())
            #
            # RetryStage needs to be near the end because it's retrying low-level MQTT operations.
            #
            .append_stage(pipeline_stages_base.RetryStage())
            #
            # OpTimeoutStage needs to be after RetryStage because OpTimeoutStage returns the timeout
            # errors that RetryStage is watching for.
            #
            .append_stage(pipeline_stages_base.OpTimeoutStage())
            #
            # MQTTTransportStage needs to be at the very end of the pipeline because this is where
            # operations turn into network traffic
            #
            .append_stage(pipeline_stages_mqtt.MQTTTransportStage())
        )

        # Define behavior for domain-specific events
        def _on_pipeline_event(event):
            if isinstance(event, pipeline_events_iothub.C2DMessageEvent):
                if self.on_c2d_message_received:
                    self.on_c2d_message_received(event.message)
                else:
                    logger.error("C2D message event received with no handler.  dropping.")

            elif isinstance(event, pipeline_events_iothub.InputMessageEvent):
                if self.on_input_message_received:
                    self.on_input_message_received(event.message)
                else:
                    logger.error("input message event received with no handler.  dropping.")

            elif isinstance(event, pipeline_events_iothub.MethodRequestEvent):
                if self.on_method_request_received:
                    self.on_method_request_received(event.method_request)
                else:
                    logger.error("Method request event received with no handler. Dropping.")

            elif isinstance(event, pipeline_events_iothub.TwinDesiredPropertiesPatchEvent):
                if self.on_twin_patch_received:
                    self.on_twin_patch_received(event.patch)
                else:
                    logger.error("Twin patch event received with no handler. Dropping.")

            else:
                logger.error("Dropping unknown pipeline event {}".format(event.name))

        def _on_connected():
            if self.on_connected:
                self.on_connected()
            else:
                logger.debug("IoTHub Pipeline was connected, but no handler was set")

        def _on_disconnected():
            if self.on_disconnected:
                self.on_disconnected()
            else:
                logger.debug("IoTHub Pipeline was disconnected, but no handler was set")

        def _on_new_sastoken_required():
            if self.on_new_sastoken_required:
                self.on_new_sastoken_required()
            else:
                logger.debug("IoTHub Pipeline requires new SASToken, but no handler was set")

        def _on_background_exception(e):
            if self.on_background_exception:
                self.on_background_exception(e)
            else:
                logger.debug(
                    "IoTHub Pipeline experienced background exception, but no handler was set"
                )

        # Set internal event handlers
        self._pipeline.on_pipeline_event_handler = _on_pipeline_event
        self._pipeline.on_connected_handler = _on_connected
        self._pipeline.on_disconnected_handler = _on_disconnected
        self._pipeline.on_new_sastoken_required_handler = _on_new_sastoken_required
        self._pipeline.on_background_exception_handler = _on_background_exception

        # Initialize the pipeline
        callback = EventedCallback()
        op = pipeline_ops_base.InitializePipelineOperation(callback=callback)
        self._pipeline.run_op(op)
        callback.wait_for_completion()

        # Set the running flag
        self._running = True
 def stage(self):
     return pipeline_stages_mqtt.MQTTTransportStage()
Beispiel #8
0
    def __init__(self, security_client):
        """
        Constructor for instantiating a pipeline
        :param security_client: The security client which stores credentials
        """
        # Event Handlers - Will be set by Client after instantiation of pipeline
        self.on_connected = None
        self.on_disconnected = None
        self.on_message_received = None

        self._pipeline = (
            pipeline_stages_base.PipelineRootStage()
            .append_stage(pipeline_stages_provisioning.UseSecurityClientStage())
            .append_stage(pipeline_stages_provisioning_mqtt.ProvisioningMQTTConverterStage())
            .append_stage(pipeline_stages_base.EnsureConnectionStage())
            .append_stage(pipeline_stages_base.SerializeConnectOpsStage())
            .append_stage(pipeline_stages_mqtt.MQTTTransportStage())
        )

        def _on_pipeline_event(event):
            if isinstance(event, pipeline_events_provisioning.RegistrationResponseEvent):
                if self.on_message_received:
                    self.on_message_received(
                        event.request_id,
                        event.status_code,
                        event.key_values,
                        event.response_payload,
                    )
                else:
                    logger.warning("Provisioning event received with no handler.  dropping.")

            else:
                logger.warning("Dropping unknown pipeline event {}".format(event.name))

        def _on_connected():
            if self.on_connected:
                self.on_connected("connected")

        def _on_disconnected():
            if self.on_disconnected:
                self.on_disconnected("disconnected")

        self._pipeline.on_pipeline_event_handler = _on_pipeline_event
        self._pipeline.on_connected_handler = _on_connected
        self._pipeline.on_disconnected_handler = _on_disconnected

        callback = EventedCallback()

        if isinstance(security_client, X509SecurityClient):
            op = pipeline_ops_provisioning.SetX509SecurityClientOperation(
                security_client=security_client, callback=callback
            )
        elif isinstance(security_client, SymmetricKeySecurityClient):
            op = pipeline_ops_provisioning.SetSymmetricKeySecurityClientOperation(
                security_client=security_client, callback=callback
            )
        else:
            logger.error("Provisioning not equipped to handle other security client.")

        self._pipeline.run_op(op)
        callback.wait_for_completion()
        if op.error:
            logger.error("{} failed: {}".format(op.name, op.error))
            raise op.error
Beispiel #9
0
    def __init__(self, security_client, pipeline_configuration):
        """
        Constructor for instantiating a pipeline
        :param security_client: The security client which stores credentials
        """
        self.responses_enabled = {provisioning_constants.REGISTER: False}

        # Event Handlers - Will be set by Client after instantiation of pipeline
        self.on_connected = None
        self.on_disconnected = None
        self.on_message_received = None
        self._registration_id = security_client.registration_id

        self._pipeline = (
            pipeline_stages_base.PipelineRootStage(
                pipeline_configuration=pipeline_configuration).append_stage(
                    pipeline_stages_provisioning.UseSecurityClientStage()).
            append_stage(
                pipeline_stages_provisioning.RegistrationStage()).append_stage(
                    pipeline_stages_provisioning.PollingStatusStage()).
            append_stage(
                pipeline_stages_base.CoordinateRequestAndResponseStage()
            ).append_stage(pipeline_stages_provisioning_mqtt.
                           ProvisioningMQTTTranslationStage()).append_stage(
                               pipeline_stages_base.ReconnectStage()).
            append_stage(pipeline_stages_base.AutoConnectStage()).append_stage(
                pipeline_stages_base.ConnectionLockStage()).append_stage(
                    pipeline_stages_base.RetryStage()).append_stage(
                        pipeline_stages_base.OpTimeoutStage()).append_stage(
                            pipeline_stages_mqtt.MQTTTransportStage()))

        def _on_pipeline_event(event):
            logger.warning("Dropping unknown pipeline event {}".format(
                event.name))

        def _on_connected():
            if self.on_connected:
                self.on_connected("connected")

        def _on_disconnected():
            if self.on_disconnected:
                self.on_disconnected("disconnected")

        self._pipeline.on_pipeline_event_handler = _on_pipeline_event
        self._pipeline.on_connected_handler = _on_connected
        self._pipeline.on_disconnected_handler = _on_disconnected

        callback = EventedCallback()

        if isinstance(security_client, X509SecurityClient):
            op = pipeline_ops_provisioning.SetX509SecurityClientOperation(
                security_client=security_client, callback=callback)
        elif isinstance(security_client, SymmetricKeySecurityClient):
            op = pipeline_ops_provisioning.SetSymmetricKeySecurityClientOperation(
                security_client=security_client, callback=callback)
        else:
            logger.error(
                "Provisioning not equipped to handle other security client.")

        self._pipeline.run_op(op)
        callback.wait_for_completion()