rw_core/core/adapter_proxy.go

/*
 * Copyright 2018-present Open Networking Foundation

 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at

 * http://www.apache.org/licenses/LICENSE-2.0

 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package core

import (
	"context"

	"github.com/golang/protobuf/ptypes"
	a "github.com/golang/protobuf/ptypes/any"
	"github.com/opencord/voltha-lib-go/v3/pkg/kafka"
	"github.com/opencord/voltha-lib-go/v3/pkg/log"
	ic "github.com/opencord/voltha-protos/v3/go/inter_container"
	"github.com/opencord/voltha-protos/v3/go/openflow_13"
	"github.com/opencord/voltha-protos/v3/go/voltha"
	"google.golang.org/grpc/codes"
	"google.golang.org/grpc/status"
)

// AdapterProxy represents adapter proxy attributes
type AdapterProxy struct {
	TestMode              bool
	deviceTopicRegistered bool
	corePairTopic         string
	kafkaICProxy          kafka.InterContainerProxy
}

// NewAdapterProxy will return adapter proxy instance
func NewAdapterProxy(kafkaProxy kafka.InterContainerProxy, corePairTopic string) *AdapterProxy {
	return &AdapterProxy{
		kafkaICProxy:          kafkaProxy,
		corePairTopic:         corePairTopic,
		deviceTopicRegistered: false,
	}
}

func unPackResponse(rpc string, deviceID string, success bool, response *a.Any) error {
	if success {
		return nil
	}
	unpackResult := &ic.Error{}
	var err error
	if err = ptypes.UnmarshalAny(response, unpackResult); err != nil {
		log.Warnw("cannot-unmarshal-response", log.Fields{"error": err})
		return err
	}
	log.Debugw("response", log.Fields{"rpc": rpc, "deviceId": deviceID, "success": success, "error": err})
	// TODO:  Need to get the real error code
	return status.Errorf(codes.Canceled, "%s", unpackResult.Reason)
}

func (ap *AdapterProxy) getCoreTopic() kafka.Topic {
	return kafka.Topic{Name: ap.corePairTopic}
}

func (ap *AdapterProxy) getAdapterTopic(adapterName string) kafka.Topic {
	return kafka.Topic{Name: adapterName}
}

// AdoptDevice invokes adopt device rpc
func (ap *AdapterProxy) AdoptDevice(ctx context.Context, device *voltha.Device) error {
	log.Debugw("AdoptDevice", log.Fields{"device": device})
	rpc := "adopt_device"
	toTopic := ap.getAdapterTopic(device.Adapter)
	//topic := kafka.Topic{Name: device.Adapter}
	args := make([]*kafka.KVArg, 1)
	args[0] = &kafka.KVArg{
		Key:   "device",
		Value: device,
	}
	// Use a device topic for the response as we are the only core handling requests for this device
	replyToTopic := ap.getCoreTopic()
	ap.deviceTopicRegistered = true
	success, result := ap.kafkaICProxy.InvokeRPC(ctx, rpc, &toTopic, &replyToTopic, true, device.Id, args...)
	log.Debugw("AdoptDevice-response", log.Fields{"replyTopic": replyToTopic, "deviceid": device.Id, "success": success})
	return unPackResponse(rpc, device.Id, success, result)
}

// DisableDevice invokes disable device rpc
func (ap *AdapterProxy) DisableDevice(ctx context.Context, device *voltha.Device) error {
	log.Debugw("DisableDevice", log.Fields{"deviceId": device.Id})
	rpc := "disable_device"
	toTopic := ap.getAdapterTopic(device.Adapter)

	// Use a device specific topic to send the request.  The adapter handling the device creates a device
	// specific topic
	//toTopic := kafka.CreateSubTopic(device.Adapter, device.Id)
	args := make([]*kafka.KVArg, 1)
	args[0] = &kafka.KVArg{
		Key:   "device",
		Value: device,
	}
	// Use a device specific topic as we are the only core handling requests for this device
	//replyToTopic := kafka.CreateSubTopic(ap.kafkaICProxy.DefaultTopic.Name, device.Id)
	replyToTopic := ap.getCoreTopic()
	success, result := ap.kafkaICProxy.InvokeRPC(ctx, rpc, &toTopic, &replyToTopic, true, device.Id, args...)
	log.Debugw("DisableDevice-response", log.Fields{"deviceId": device.Id, "success": success})
	return unPackResponse(rpc, device.Id, success, result)
}

// ReEnableDevice invokes reenable device rpc
func (ap *AdapterProxy) ReEnableDevice(ctx context.Context, device *voltha.Device) error {
	log.Debugw("ReEnableDevice", log.Fields{"deviceId": device.Id})
	rpc := "reenable_device"
	toTopic := ap.getAdapterTopic(device.Adapter)
	args := make([]*kafka.KVArg, 1)
	args[0] = &kafka.KVArg{
		Key:   "device",
		Value: device,
	}
	// Use a device specific topic as we are the only core handling requests for this device
	replyToTopic := ap.getCoreTopic()
	success, result := ap.kafkaICProxy.InvokeRPC(ctx, rpc, &toTopic, &replyToTopic, true, device.Id, args...)
	log.Debugw("ReEnableDevice-response", log.Fields{"deviceid": device.Id, "success": success})
	return unPackResponse(rpc, device.Id, success, result)
}

// RebootDevice invokes reboot device rpc
func (ap *AdapterProxy) RebootDevice(ctx context.Context, device *voltha.Device) error {
	log.Debugw("RebootDevice", log.Fields{"deviceId": device.Id})
	rpc := "reboot_device"
	toTopic := ap.getAdapterTopic(device.Adapter)
	args := make([]*kafka.KVArg, 1)
	args[0] = &kafka.KVArg{
		Key:   "device",
		Value: device,
	}
	// Use a device specific topic as we are the only core handling requests for this device
	replyToTopic := ap.getCoreTopic()
	success, result := ap.kafkaICProxy.InvokeRPC(ctx, rpc, &toTopic, &replyToTopic, true, device.Id, args...)
	log.Debugw("RebootDevice-response", log.Fields{"deviceid": device.Id, "success": success})
	return unPackResponse(rpc, device.Id, success, result)
}

// DeleteDevice invokes delete device rpc
func (ap *AdapterProxy) DeleteDevice(ctx context.Context, device *voltha.Device) error {
	log.Debugw("DeleteDevice", log.Fields{"deviceId": device.Id})
	rpc := "delete_device"
	toTopic := ap.getAdapterTopic(device.Adapter)
	args := make([]*kafka.KVArg, 1)
	args[0] = &kafka.KVArg{
		Key:   "device",
		Value: device,
	}
	// Use a device specific topic as we are the only core handling requests for this device
	replyToTopic := ap.getCoreTopic()
	success, result := ap.kafkaICProxy.InvokeRPC(ctx, rpc, &toTopic, &replyToTopic, true, device.Id, args...)
	log.Debugw("DeleteDevice-response", log.Fields{"deviceid": device.Id, "success": success})

	return unPackResponse(rpc, device.Id, success, result)
}

// GetOfpDeviceInfo invokes get ofp device info rpc
func (ap *AdapterProxy) GetOfpDeviceInfo(ctx context.Context, device *voltha.Device) (*ic.SwitchCapability, error) {
	log.Debugw("GetOfpDeviceInfo", log.Fields{"deviceId": device.Id})
	toTopic := ap.getAdapterTopic(device.Adapter)
	args := make([]*kafka.KVArg, 1)
	args[0] = &kafka.KVArg{
		Key:   "device",
		Value: device,
	}
	// Use a device specific topic as we are the only core handling requests for this device
	replyToTopic := ap.getCoreTopic()
	success, result := ap.kafkaICProxy.InvokeRPC(ctx, "get_ofp_device_info", &toTopic, &replyToTopic, true, device.Id, args...)
	log.Debugw("GetOfpDeviceInfo-response", log.Fields{"deviceId": device.Id, "success": success, "result": result})
	if success {
		unpackResult := &ic.SwitchCapability{}
		if err := ptypes.UnmarshalAny(result, unpackResult); err != nil {
			log.Warnw("cannot-unmarshal-response", log.Fields{"error": err})
			return nil, status.Errorf(codes.InvalidArgument, "%s", err.Error())
		}
		return unpackResult, nil
	}
	unpackResult := &ic.Error{}
	var err error
	if err = ptypes.UnmarshalAny(result, unpackResult); err != nil {
		log.Warnw("cannot-unmarshal-response", log.Fields{"error": err})
	}
	log.Debugw("GetOfpDeviceInfo-return", log.Fields{"deviceid": device.Id, "success": success, "error": err})
	// TODO:  Need to get the real error code
	return nil, status.Errorf(codes.Internal, "%s", unpackResult.Reason)
}

// GetOfpPortInfo invokes get ofp port info rpc
func (ap *AdapterProxy) GetOfpPortInfo(ctx context.Context, device *voltha.Device, portNo uint32) (*ic.PortCapability, error) {
	log.Debugw("GetOfpPortInfo", log.Fields{"deviceId": device.Id})
	toTopic := ap.getAdapterTopic(device.Adapter)
	args := make([]*kafka.KVArg, 2)
	args[0] = &kafka.KVArg{
		Key:   "device",
		Value: device,
	}
	pNo := &ic.IntType{Val: int64(portNo)}
	args[1] = &kafka.KVArg{
		Key:   "port_no",
		Value: pNo,
	}
	// Use a device specific topic as we are the only core handling requests for this device
	replyToTopic := ap.getCoreTopic()
	success, result := ap.kafkaICProxy.InvokeRPC(ctx, "get_ofp_port_info", &toTopic, &replyToTopic, true, device.Id, args...)
	log.Debugw("GetOfpPortInfo-response", log.Fields{"deviceid": device.Id, "success": success})
	if success {
		unpackResult := &ic.PortCapability{}
		if err := ptypes.UnmarshalAny(result, unpackResult); err != nil {
			log.Warnw("cannot-unmarshal-response", log.Fields{"error": err})
			return nil, status.Errorf(codes.InvalidArgument, "%s", err.Error())
		}
		return unpackResult, nil
	}
	unpackResult := &ic.Error{}
	var err error
	if err = ptypes.UnmarshalAny(result, unpackResult); err != nil {
		log.Warnw("cannot-unmarshal-response", log.Fields{"error": err})
	}
	log.Debugw("GetOfpPortInfo-return", log.Fields{"deviceid": device.Id, "success": success, "error": err})
	// TODO:  Need to get the real error code
	return nil, status.Errorf(codes.Internal, "%s", unpackResult.Reason)
}

//TODO: Implement the functions below

// AdapterDescriptor - TODO
func (ap *AdapterProxy) AdapterDescriptor() (*voltha.Adapter, error) {
	log.Debug("AdapterDescriptor")
	return nil, nil
}

// DeviceTypes - TODO
func (ap *AdapterProxy) DeviceTypes() (*voltha.DeviceType, error) {
	log.Debug("DeviceTypes")
	return nil, nil
}

// Health - TODO
func (ap *AdapterProxy) Health() (*voltha.HealthStatus, error) {
	log.Debug("Health")
	return nil, nil
}

// ReconcileDevice invokes reconcile device rpc
func (ap *AdapterProxy) ReconcileDevice(ctx context.Context, device *voltha.Device) error {
	log.Debugw("ReconcileDevice", log.Fields{"deviceId": device.Id})
	rpc := "reconcile_device"
	toTopic := ap.getAdapterTopic(device.Adapter)
	args := []*kafka.KVArg{
		{Key: "device", Value: device},
	}
	// Use a device specific topic as we are the only core handling requests for this device
	replyToTopic := ap.getCoreTopic()
	success, result := ap.kafkaICProxy.InvokeRPC(ctx, rpc, &toTopic, &replyToTopic, true, device.Id, args...)
	log.Debugw("ReconcileDevice-response", log.Fields{"deviceid": device.Id, "success": success})

	return unPackResponse(rpc, device.Id, success, result)
}

// AbandonDevice - TODO
func (ap *AdapterProxy) AbandonDevice(device voltha.Device) error {
	log.Debug("AbandonDevice")
	return nil
}

// GetDeviceDetails - TODO
func (ap *AdapterProxy) GetDeviceDetails(device voltha.Device) (*voltha.Device, error) {
	log.Debug("GetDeviceDetails")
	return nil, nil
}

// DownloadImage invokes download image rpc
func (ap *AdapterProxy) DownloadImage(ctx context.Context, device *voltha.Device, download *voltha.ImageDownload) error {
	log.Debugw("DownloadImage", log.Fields{"deviceId": device.Id, "image": download.Name})
	rpc := "download_image"
	toTopic := ap.getAdapterTopic(device.Adapter)
	args := make([]*kafka.KVArg, 2)
	args[0] = &kafka.KVArg{
		Key:   "device",
		Value: device,
	}
	args[1] = &kafka.KVArg{
		Key:   "request",
		Value: download,
	}
	// Use a device specific topic as we are the only core handling requests for this device
	replyToTopic := ap.getCoreTopic()
	success, result := ap.kafkaICProxy.InvokeRPC(ctx, rpc, &toTopic, &replyToTopic, true, device.Id, args...)
	log.Debugw("DownloadImage-response", log.Fields{"deviceId": device.Id, "success": success})

	return unPackResponse(rpc, device.Id, success, result)
}

// GetImageDownloadStatus invokes get image download status rpc
func (ap *AdapterProxy) GetImageDownloadStatus(ctx context.Context, device *voltha.Device, download *voltha.ImageDownload) (*voltha.ImageDownload, error) {
	log.Debugw("GetImageDownloadStatus", log.Fields{"deviceId": device.Id, "image": download.Name})
	rpc := "get_image_download_status"
	toTopic := ap.getAdapterTopic(device.Adapter)
	args := make([]*kafka.KVArg, 2)
	args[0] = &kafka.KVArg{
		Key:   "device",
		Value: device,
	}
	args[1] = &kafka.KVArg{
		Key:   "request",
		Value: download,
	}
	// Use a device specific topic as we are the only core handling requests for this device
	replyToTopic := ap.getCoreTopic()
	success, result := ap.kafkaICProxy.InvokeRPC(ctx, rpc, &toTopic, &replyToTopic, true, device.Id, args...)
	log.Debugw("GetImageDownloadStatus-response", log.Fields{"deviceId": device.Id, "success": success})

	if success {
		unpackResult := &voltha.ImageDownload{}
		if err := ptypes.UnmarshalAny(result, unpackResult); err != nil {
			log.Warnw("cannot-unmarshal-response", log.Fields{"error": err})
			return nil, status.Errorf(codes.InvalidArgument, "%s", err.Error())
		}
		return unpackResult, nil
	}
	unpackResult := &ic.Error{}
	var err error
	if err = ptypes.UnmarshalAny(result, unpackResult); err != nil {
		log.Warnw("cannot-unmarshal-response", log.Fields{"error": err})
		return nil, err
	}
	log.Debugw("GetImageDownloadStatus-return", log.Fields{"deviceid": device.Id, "success": success, "error": err})
	return nil, status.Errorf(codes.Internal, "%s", unpackResult.Reason)
}

// CancelImageDownload invokes cancel image download rpc
func (ap *AdapterProxy) CancelImageDownload(ctx context.Context, device *voltha.Device, download *voltha.ImageDownload) error {
	log.Debugw("CancelImageDownload", log.Fields{"deviceId": device.Id, "image": download.Name})
	rpc := "cancel_image_download"
	toTopic := ap.getAdapterTopic(device.Adapter)
	args := make([]*kafka.KVArg, 2)
	args[0] = &kafka.KVArg{
		Key:   "device",
		Value: device,
	}
	args[1] = &kafka.KVArg{
		Key:   "request",
		Value: download,
	}
	// Use a device specific topic as we are the only core handling requests for this device
	replyToTopic := ap.getCoreTopic()
	success, result := ap.kafkaICProxy.InvokeRPC(ctx, rpc, &toTopic, &replyToTopic, true, device.Id, args...)
	log.Debugw("CancelImageDownload-response", log.Fields{"deviceId": device.Id, "success": success})

	return unPackResponse(rpc, device.Id, success, result)
}

// ActivateImageUpdate invokes activate image update rpc
func (ap *AdapterProxy) ActivateImageUpdate(ctx context.Context, device *voltha.Device, download *voltha.ImageDownload) error {
	log.Debugw("ActivateImageUpdate", log.Fields{"deviceId": device.Id, "image": download.Name})
	rpc := "activate_image_update"
	toTopic := ap.getAdapterTopic(device.Adapter)
	args := make([]*kafka.KVArg, 2)
	args[0] = &kafka.KVArg{
		Key:   "device",
		Value: device,
	}
	args[1] = &kafka.KVArg{
		Key:   "request",
		Value: download,
	}
	// Use a device specific topic as we are the only core handling requests for this device
	replyToTopic := ap.getCoreTopic()
	success, result := ap.kafkaICProxy.InvokeRPC(ctx, rpc, &toTopic, &replyToTopic, true, device.Id, args...)
	log.Debugw("ActivateImageUpdate-response", log.Fields{"deviceId": device.Id, "success": success})

	return unPackResponse(rpc, device.Id, success, result)
}

// RevertImageUpdate invokes revert image update rpc
func (ap *AdapterProxy) RevertImageUpdate(ctx context.Context, device *voltha.Device, download *voltha.ImageDownload) error {
	log.Debugw("RevertImageUpdate", log.Fields{"deviceId": device.Id, "image": download.Name})
	rpc := "revert_image_update"
	toTopic := ap.getAdapterTopic(device.Adapter)
	args := make([]*kafka.KVArg, 2)
	args[0] = &kafka.KVArg{
		Key:   "device",
		Value: device,
	}
	args[1] = &kafka.KVArg{
		Key:   "request",
		Value: download,
	}
	// Use a device specific topic as we are the only core handling requests for this device
	replyToTopic := ap.getCoreTopic()
	success, result := ap.kafkaICProxy.InvokeRPC(ctx, rpc, &toTopic, &replyToTopic, true, device.Id, args...)
	log.Debugw("RevertImageUpdate-response", log.Fields{"deviceId": device.Id, "success": success})

	return unPackResponse(rpc, device.Id, success, result)
}

// SelfTestDevice - TODO
func (ap *AdapterProxy) SelfTestDevice(device voltha.Device) (*voltha.SelfTestResponse, error) {
	log.Debug("SelfTestDevice")
	return nil, nil
}

func (ap *AdapterProxy) packetOut(ctx context.Context, deviceType string, deviceID string, outPort uint32, packet *openflow_13.OfpPacketOut) error {
	log.Debugw("packetOut", log.Fields{"deviceId": deviceID})
	toTopic := ap.getAdapterTopic(deviceType)
	rpc := "receive_packet_out"
	dID := &ic.StrType{Val: deviceID}
	args := make([]*kafka.KVArg, 3)
	args[0] = &kafka.KVArg{
		Key:   "deviceId",
		Value: dID,
	}
	op := &ic.IntType{Val: int64(outPort)}
	args[1] = &kafka.KVArg{
		Key:   "outPort",
		Value: op,
	}
	args[2] = &kafka.KVArg{
		Key:   "packet",
		Value: packet,
	}

	// TODO:  Do we need to wait for an ACK on a packet Out?
	// Use a device specific topic as we are the only core handling requests for this device
	replyToTopic := ap.getCoreTopic()
	success, result := ap.kafkaICProxy.InvokeRPC(ctx, rpc, &toTopic, &replyToTopic, true, deviceID, args...)
	log.Debugw("packetOut", log.Fields{"deviceid": deviceID, "success": success})
	return unPackResponse(rpc, deviceID, success, result)
}

// UpdateFlowsBulk invokes update flows bulk rpc
func (ap *AdapterProxy) UpdateFlowsBulk(ctx context.Context, device *voltha.Device, flows *voltha.Flows, groups *voltha.FlowGroups, flowMetadata *voltha.FlowMetadata) error {
	log.Debugw("UpdateFlowsBulk", log.Fields{"deviceId": device.Id, "flowsInUpdate": len(flows.Items), "groupsToUpdate": len(groups.Items)})
	toTopic := ap.getAdapterTopic(device.Adapter)
	rpc := "update_flows_bulk"
	args := make([]*kafka.KVArg, 4)
	args[0] = &kafka.KVArg{
		Key:   "device",
		Value: device,
	}
	args[1] = &kafka.KVArg{
		Key:   "flows",
		Value: flows,
	}
	args[2] = &kafka.KVArg{
		Key:   "groups",
		Value: groups,
	}
	args[3] = &kafka.KVArg{
		Key:   "flow_metadata",
		Value: flowMetadata,
	}

	// Use a device specific topic as we are the only core handling requests for this device
	replyToTopic := ap.getCoreTopic()
	success, result := ap.kafkaICProxy.InvokeRPC(ctx, rpc, &toTopic, &replyToTopic, true, device.Id, args...)
	log.Debugw("UpdateFlowsBulk-response", log.Fields{"deviceid": device.Id, "success": success})
	return unPackResponse(rpc, device.Id, success, result)
}

// UpdateFlowsIncremental invokes update flows incremental rpc
func (ap *AdapterProxy) UpdateFlowsIncremental(ctx context.Context, device *voltha.Device, flowChanges *openflow_13.FlowChanges, groupChanges *openflow_13.FlowGroupChanges, flowMetadata *voltha.FlowMetadata) error {
	log.Debugw("UpdateFlowsIncremental",
		log.Fields{
			"deviceId":       device.Id,
			"flowsToAdd":     len(flowChanges.ToAdd.Items),
			"flowsToDelete":  len(flowChanges.ToRemove.Items),
			"groupsToAdd":    len(groupChanges.ToAdd.Items),
			"groupsToDelete": len(groupChanges.ToRemove.Items),
			"groupsToUpdate": len(groupChanges.ToUpdate.Items),
		})
	toTopic := ap.getAdapterTopic(device.Adapter)
	rpc := "update_flows_incrementally"
	args := make([]*kafka.KVArg, 4)
	args[0] = &kafka.KVArg{
		Key:   "device",
		Value: device,
	}
	args[1] = &kafka.KVArg{
		Key:   "flow_changes",
		Value: flowChanges,
	}
	args[2] = &kafka.KVArg{
		Key:   "group_changes",
		Value: groupChanges,
	}

	args[3] = &kafka.KVArg{
		Key:   "flow_metadata",
		Value: flowMetadata,
	}
	// Use a device specific topic as we are the only core handling requests for this device
	replyToTopic := ap.getCoreTopic()
	success, result := ap.kafkaICProxy.InvokeRPC(ctx, rpc, &toTopic, &replyToTopic, true, device.Id, args...)
	log.Debugw("UpdateFlowsIncremental-response", log.Fields{"deviceid": device.Id, "success": success})
	return unPackResponse(rpc, device.Id, success, result)
}

// UpdatePmConfigs invokes update pm configs rpc
func (ap *AdapterProxy) UpdatePmConfigs(ctx context.Context, device *voltha.Device, pmConfigs *voltha.PmConfigs) error {
	log.Debugw("UpdatePmConfigs", log.Fields{"deviceId": device.Id})
	toTopic := ap.getAdapterTopic(device.Adapter)
	rpc := "Update_pm_config"
	args := make([]*kafka.KVArg, 2)
	args[0] = &kafka.KVArg{
		Key:   "device",
		Value: device,
	}
	args[1] = &kafka.KVArg{
		Key:   "pm_configs",
		Value: pmConfigs,
	}

	replyToTopic := ap.getCoreTopic()
	success, result := ap.kafkaICProxy.InvokeRPC(ctx, rpc, &toTopic, &replyToTopic, true, device.Id, args...)
	log.Debugw("UpdatePmConfigs-response", log.Fields{"deviceid": device.Id, "success": success})
	return unPackResponse(rpc, device.Id, success, result)
}

// ReceivePacketOut - TODO
func (ap *AdapterProxy) ReceivePacketOut(deviceID voltha.ID, egressPortNo int, msg interface{}) error {
	log.Debug("ReceivePacketOut")
	return nil
}

func (ap *AdapterProxy) SuppressEvent(filter *voltha.EventFilter) error {
	log.Debug("SuppressEvent")
	return nil
}

func (ap *AdapterProxy) UnSuppressEvent(filter *voltha.EventFilter) error {
	log.Debug("UnSuppressEvent")
	return nil
}

// SimulateAlarm invokes simulate alarm rpc
func (ap *AdapterProxy) SimulateAlarm(ctx context.Context, device *voltha.Device, simulatereq *voltha.SimulateAlarmRequest) error {
	log.Debugw("SimulateAlarm", log.Fields{"id": simulatereq.Id})
	rpc := "simulate_alarm"
	toTopic := ap.getAdapterTopic(device.Adapter)
	args := make([]*kafka.KVArg, 2)
	args[0] = &kafka.KVArg{
		Key:   "device",
		Value: device,
	}
	args[1] = &kafka.KVArg{
		Key:   "request",
		Value: simulatereq,
	}

	// Use a device topic for the response as we are the only core handling requests for this device
	replyToTopic := ap.getCoreTopic()
	ap.deviceTopicRegistered = true
	success, result := ap.kafkaICProxy.InvokeRPC(ctx, rpc, &toTopic, &replyToTopic, true, device.Id, args...)
	log.Debugw("SimulateAlarm-response", log.Fields{"replyTopic": replyToTopic, "deviceid": device.Id, "success": success})
	return unPackResponse(rpc, device.Id, success, result)
}

func (ap *AdapterProxy) disablePort(ctx context.Context, device *voltha.Device, port *voltha.Port) error {
	log.Debugw("disablePort", log.Fields{"device-id": device.Id, "port-no": port.PortNo})
	rpc := "disable_port"
	deviceID := &ic.StrType{Val: device.Id}
	toTopic := ap.getAdapterTopic(device.Adapter)
	// Use a device specific topic to send the request.  The adapter handling the device creates a device
	// specific topic
	args := make([]*kafka.KVArg, 2)
	args[0] = &kafka.KVArg{
		Key:   "deviceId",
		Value: deviceID,
	}

	args[1] = &kafka.KVArg{
		Key:   "port",
		Value: port,
	}

	replyToTopic := ap.getCoreTopic()
	success, result := ap.kafkaICProxy.InvokeRPC(ctx, rpc, &toTopic, &replyToTopic, true, device.Id, args...)
	log.Debugw("disablePort-response", log.Fields{"device-id": device.Id, "port-no": port.PortNo, "success": success})
	return unPackResponse(rpc, device.Id, success, result)
}

func (ap *AdapterProxy) enablePort(ctx context.Context, device *voltha.Device, port *voltha.Port) error {
	log.Debugw("enablePort", log.Fields{"device-id": device.Id, "port-no": port.PortNo})
	rpc := "enable_port"
	deviceID := &ic.StrType{Val: device.Id}
	toTopic := ap.getAdapterTopic(device.Adapter)
	// Use a device specific topic to send the request.  The adapter handling the device creates a device
	// specific topic
	args := make([]*kafka.KVArg, 2)
	args[0] = &kafka.KVArg{
		Key:   "deviceId",
		Value: deviceID,
	}

	args[1] = &kafka.KVArg{
		Key:   "port",
		Value: port,
	}

	replyToTopic := ap.getCoreTopic()
	success, result := ap.kafkaICProxy.InvokeRPC(ctx, rpc, &toTopic, &replyToTopic, true, device.Id, args...)
	log.Debugw("enablePort-response", log.Fields{"device-id": device.Id, "port-no": port.PortNo, "success": success})
	return unPackResponse(rpc, device.Id, success, result)
}