adaptercore/openolt_eventmgr.go - voltha-openolt-adapter - Gitiles

 /*
  * 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 adaptercore provides APIs for the openOLT adapter
 package adaptercore

 import (
 	"fmt"
 	"strconv"

 	"github.com/opencord/voltha-lib-go/v2/pkg/adapters/adapterif"
 	"github.com/opencord/voltha-lib-go/v2/pkg/log"
 	oop "github.com/opencord/voltha-protos/v2/go/openolt"
 	"github.com/opencord/voltha-protos/v2/go/voltha"
 )

 const (
 	onuDiscoveryEvent       = "ONU_DISCOVERY"
 	onuLosEvent             = "ONU_LOSS_OF_SIGNAL"
 	onuLobEvent             = "ONU_LOSS_OF_BURST"
 	onuLopcMissEvent        = "ONU_LOPC_MISS"
 	onuLopcMicErrorEvent    = "ONU_LOPC_MIC_ERROR"
 	oltLosEvent             = "OLT_LOSS_OF_SIGNAL"
 	oltIndicationDown       = "OLT_DOWN_INDICATION"
 	onuDyingGaspEvent       = "ONU_DYING_GASP"
 	onuSignalsFailEvent     = "ONU_SIGNALS_FAIL"
 	onuStartupFailEvent     = "ONU_STARTUP_FAIL"
 	onuSignalDegradeEvent   = "ONU_SIGNAL_DEGRADE"
 	onuDriftOfWindowEvent   = "ONU_DRIFT_OF_WINDOW"
 	onuActivationFailEvent  = "ONU_ACTIVATION_FAIL"
 	onuProcessingErrorEvent = "ONU_PROCESSING_ERROR"
 	onuTiwiEvent            = "ONU_TRANSMISSION_WARNING"
 	onuLossOmciEvent        = "ONU_LOSS_OF_OMCI_CHANNEL"
 	onuLossOfKeySyncEvent   = "ONU_LOSS_OF_KEY_SYNC"
 	onuLossOfFrameEvent     = "ONU_LOSS_OF_FRAME"
 	onuLossOfPloamEvent     = "ONU_LOSS_OF_PLOAM"
 )

 const (
 	pon           = voltha.EventSubCategory_PON
 	olt           = voltha.EventSubCategory_OLT
 	ont           = voltha.EventSubCategory_ONT
 	onu           = voltha.EventSubCategory_ONU
 	nni           = voltha.EventSubCategory_NNI
 	service       = voltha.EventCategory_SERVICE
 	security      = voltha.EventCategory_SECURITY
 	equipment     = voltha.EventCategory_EQUIPMENT
 	processing    = voltha.EventCategory_PROCESSING
 	environment   = voltha.EventCategory_ENVIRONMENT
 	communication = voltha.EventCategory_COMMUNICATION
 )

 const (
 	// statusCheckOn represents status check On
 	statusCheckOn = "on"
 	// statusCheckOff represents status check Off
 	statusCheckOff = "off"
 	// operationStateUp represents operation state Up
 	operationStateUp = "up"
 	// operationStateDown represents operation state Down
 	operationStateDown = "down"
 	// base10 represents base 10 conversion
 	base10 = 10
 )

 // OpenOltEventMgr struct contains
 type OpenOltEventMgr struct {
 	eventProxy adapterif.EventProxy
 	handler    *DeviceHandler
 }

 // NewEventMgr is a Function to get a new event manager struct for the OpenOLT to process and publish OpenOLT event
 func NewEventMgr(eventProxy adapterif.EventProxy, handler *DeviceHandler) *OpenOltEventMgr {
 	var em OpenOltEventMgr
 	em.eventProxy = eventProxy
 	em.handler = handler
 	return &em
 }

 // ProcessEvents is function to process and publish OpenOLT event
 func (em *OpenOltEventMgr) ProcessEvents(alarmInd *oop.AlarmIndication, deviceID string, raisedTs int64) {
 	var err error
 	switch alarmInd.Data.(type) {
 	case *oop.AlarmIndication_LosInd:
 		log.Infow("Received LOS indication", log.Fields{"alarm_ind": alarmInd})
 		err = em.oltLosIndication(alarmInd.GetLosInd(), deviceID, raisedTs)

 	case *oop.AlarmIndication_OnuAlarmInd:
 		log.Infow("Received onu alarm indication ", log.Fields{"alarm_ind": alarmInd})
 		err = em.onuAlarmIndication(alarmInd.GetOnuAlarmInd(), deviceID, raisedTs)

 	case *oop.AlarmIndication_DyingGaspInd:
 		log.Infow("Received dying gasp indication", log.Fields{"alarm_ind": alarmInd})
 		err = em.onuDyingGaspIndication(alarmInd.GetDyingGaspInd(), deviceID, raisedTs)
 	case *oop.AlarmIndication_OnuActivationFailInd:
 		log.Infow("Received onu activation fail indication ", log.Fields{"alarm_ind": alarmInd})
 		err = em.onuActivationFailIndication(alarmInd.GetOnuActivationFailInd(), deviceID, raisedTs)

 	case *oop.AlarmIndication_OnuLossOmciInd:
 		log.Infow("Received onu loss omci indication ", log.Fields{"alarm_ind": alarmInd})
 		err = em.onuLossOmciIndication(alarmInd.GetOnuLossOmciInd(), deviceID, raisedTs)

 	case *oop.AlarmIndication_OnuDriftOfWindowInd:
 		log.Infow("Received onu drift of window indication ", log.Fields{"alarm_ind": alarmInd})
 		err = em.onuDriftOfWindowIndication(alarmInd.GetOnuDriftOfWindowInd(), deviceID, raisedTs)

 	case *oop.AlarmIndication_OnuSignalDegradeInd:
 		log.Infow("Received onu signal degrade indication ", log.Fields{"alarm_ind": alarmInd})
 		err = em.onuSignalDegradeIndication(alarmInd.GetOnuSignalDegradeInd(), deviceID, raisedTs)

 	case *oop.AlarmIndication_OnuSignalsFailInd:
 		log.Infow("Received onu signal fail indication ", log.Fields{"alarm_ind": alarmInd})
 		err = em.onuSignalsFailIndication(alarmInd.GetOnuSignalsFailInd(), deviceID, raisedTs)

 	case *oop.AlarmIndication_OnuStartupFailInd:
 		log.Infow("Received onu startup fail indication ", log.Fields{"alarm_ind": alarmInd})
 		err = em.onuStartupFailedIndication(alarmInd.GetOnuStartupFailInd(), deviceID, raisedTs)
 	case *oop.AlarmIndication_OnuTiwiInd:
 		log.Infow("Received onu transmission warning indication ", log.Fields{"alarm_ind": alarmInd})
 		log.Infow("Not implemented yet", log.Fields{"alarm_ind": "Onu-Transmission-indication"})
 	case *oop.AlarmIndication_OnuLossOfSyncFailInd:
 		log.Infow("Received onu Loss of Sync Fail indication ", log.Fields{"alarm_ind": alarmInd})
 		err = em.onuLossOfSyncIndication(alarmInd.GetOnuLossOfSyncFailInd(), deviceID, raisedTs)
 	case *oop.AlarmIndication_OnuItuPonStatsInd:
 		log.Infow("Received onu Itu Pon Stats indication ", log.Fields{"alarm_ind": alarmInd})
 		log.Infow("Not implemented yet", log.Fields{"alarm_ind": alarmInd})
 	default:
 		log.Errorw("Received unknown indication type", log.Fields{"alarm_ind": alarmInd})

 	}
 	if err != nil {
 		log.Errorw("Failed to publish message to KAFKA", log.Fields{"error": err})
 	}
 }

 // oltUpDownIndication handles Up and Down state of an OLT
 func (em *OpenOltEventMgr) oltUpDownIndication(oltIndication *oop.OltIndication, deviceID string, raisedTs int64) error {
 	var de voltha.DeviceEvent
 	context := make(map[string]string)
 	/* Populating event context */
 	context["oper-state"] = oltIndication.OperState
 	/* Populating device event body */
 	de.Context = context
 	de.ResourceId = deviceID
 	if oltIndication.OperState == operationStateDown {
 		de.DeviceEventName = fmt.Sprintf("%s_%s", oltIndicationDown, "RAISE_EVENT")
 	} else if oltIndication.OperState == operationStateUp {
 		de.DeviceEventName = fmt.Sprintf("%s_%s", oltIndicationDown, "CLEAR_EVENT")
 	}
 	/* Send event to KAFKA */
 	if err := em.eventProxy.SendDeviceEvent(&de, communication, olt, raisedTs); err != nil {
 		log.Errorw("Failed to send OLT event", log.Fields{"err": err})
 		return err
 	}
 	log.Infow("OLT UpDown event sent to KAFKA", log.Fields{})
 	return nil
 }

 // OnuDiscoveryIndication is an exported method to handle ONU discovery event
 func (em *OpenOltEventMgr) OnuDiscoveryIndication(onuDisc *oop.OnuDiscIndication, deviceID string, OnuID uint32, serialNumber string, raisedTs int64) error {
 	var de voltha.DeviceEvent
 	context := make(map[string]string)
 	/* Populating event context */
 	context["onu-id"] = strconv.FormatUint(uint64(OnuID), base10)
 	context["intf-id"] = strconv.FormatUint(uint64(onuDisc.IntfId), base10)
 	context["serial-number"] = serialNumber
 	/* Populating device event body */
 	de.Context = context
 	de.ResourceId = deviceID
 	de.DeviceEventName = fmt.Sprintf("%s_%s", onuDiscoveryEvent, "RAISE_EVENT")
 	/* Send event to KAFKA */
 	if err := em.eventProxy.SendDeviceEvent(&de, equipment, pon, raisedTs); err != nil {
 		log.Errorw("Failed to send ONU discovery event", log.Fields{"serial-number": serialNumber, "intf-id": onuDisc.IntfId})
 		return err
 	}
 	log.Infow("ONU discovery event sent to KAFKA", log.Fields{"serial-number": serialNumber, "intf-id": onuDisc.IntfId})
 	return nil
 }

 func (em *OpenOltEventMgr) oltLosIndication(oltLos *oop.LosIndication, deviceID string, raisedTs int64) error {
 	var de voltha.DeviceEvent
 	context := make(map[string]string)
 	/* Populating event context */
 	context["intf-id"] = strconv.FormatUint(uint64(oltLos.IntfId), base10)
 	/* Populating device event body */
 	de.Context = context
 	de.ResourceId = deviceID
 	if oltLos.Status == statusCheckOn {
 		de.DeviceEventName = fmt.Sprintf("%s_%s", oltLosEvent, "RAISE_EVENT")
 	} else {
 		de.DeviceEventName = fmt.Sprintf("%s_%s", oltLosEvent, "CLEAR_EVENT")
 	}
 	/* Send event to KAFKA */
 	if err := em.eventProxy.SendDeviceEvent(&de, communication, olt, raisedTs); err != nil {
 		log.Errorw("Failed to send OLT loss of signal event", log.Fields{"intf-id": oltLos.IntfId})
 		return err
 	}
 	log.Infow("OLT LOS event sent to KAFKA", log.Fields{"intf-id": oltLos.IntfId})
 	return nil
 }

 func (em *OpenOltEventMgr) onuDyingGaspIndication(dgi *oop.DyingGaspIndication, deviceID string, raisedTs int64) error {
 	var de voltha.DeviceEvent
 	var serialNumber string
 	context := make(map[string]string)
 	/* Populating event context */
 	serialNumber = ""
 	onu := em.handler.formOnuKey(dgi.IntfId, dgi.OnuId)
 	if onu, ok := em.handler.onus.Load(onu); ok {
 		serialNumber = onu.(*OnuDevice).serialNumber
 	}
 	context["serial-number"] = serialNumber
 	context["intf-id"] = strconv.FormatUint(uint64(dgi.IntfId), base10)
 	context["onu-id"] = strconv.FormatUint(uint64(dgi.OnuId), base10)
 	/* Populating device event body */
 	de.Context = context
 	de.ResourceId = deviceID
 	if dgi.Status == statusCheckOn {
 		de.DeviceEventName = fmt.Sprintf("%s_%s", onuDyingGaspEvent, "RAISE_EVENT")
 	} else {
 		de.DeviceEventName = fmt.Sprintf("%s_%s", onuDyingGaspEvent, "CLEAR_EVENT")
 	}
 	/* Send event to KAFKA */
 	if err := em.eventProxy.SendDeviceEvent(&de, communication, pon, raisedTs); err != nil {
 		log.Errorw("Failed to send ONU Dying gasp event", log.Fields{"intf-id": dgi.IntfId, "onu-id": dgi.OnuId})
 		return err
 	}
 	log.Infow("ONU dying gasp event sent to KAFKA", log.Fields{"intf-id": dgi.IntfId})
 	return nil
 }

 func (em *OpenOltEventMgr) onuAlarmIndication(onuAlarm *oop.OnuAlarmIndication, deviceID string, raisedTs int64) error {
 	var de voltha.DeviceEvent
 	context := make(map[string]string)
 	/* Populating event context */
 	context["intf-id"] = strconv.FormatUint(uint64(onuAlarm.IntfId), base10)
 	context["onu-id"] = strconv.FormatUint(uint64(onuAlarm.OnuId), base10)
 	/* Populating device event body */
 	de.Context = context
 	de.ResourceId = deviceID
 	if onuAlarm.LosStatus == statusCheckOn {
 		de.DeviceEventName = fmt.Sprintf("%s_%s", onuLosEvent, "RAISE_EVENT")
 	} else if onuAlarm.LosStatus == statusCheckOff {
 		de.DeviceEventName = fmt.Sprintf("%s_%s", onuLosEvent, "CLEAR_EVENT")
 	} else if onuAlarm.LobStatus == statusCheckOn {
 		de.DeviceEventName = fmt.Sprintf("%s_%s", onuLobEvent, "RAISE_EVENT")
 	} else if onuAlarm.LobStatus == statusCheckOff {
 		de.DeviceEventName = fmt.Sprintf("%s_%s", onuLobEvent, "CLEAR_EVENT")
 	} else if onuAlarm.LopcMissStatus == statusCheckOn {
 		de.DeviceEventName = fmt.Sprintf("%s_%s", onuLopcMissEvent, "RAISE_EVENT")
 	} else if onuAlarm.LopcMissStatus == statusCheckOff {
 		de.DeviceEventName = fmt.Sprintf("%s_%s", onuLopcMissEvent, "CLEAR_EVENT")
 	} else if onuAlarm.LopcMicErrorStatus == statusCheckOn {
 		de.DeviceEventName = fmt.Sprintf("%s_%s", onuLopcMicErrorEvent, "RAISE_EVENT")
 	} else if onuAlarm.LopcMicErrorStatus == statusCheckOff {
 		de.DeviceEventName = fmt.Sprintf("%s_%s", onuLopcMicErrorEvent, "CLEAR_EVENT")
 	} else if onuAlarm.LofiStatus == statusCheckOn {
 		de.DeviceEventName = fmt.Sprintf("%s_%s", onuLossOfFrameEvent, "RAISE_EVENT")
 	} else if onuAlarm.LofiStatus == statusCheckOff {
 		de.DeviceEventName = fmt.Sprintf("%s_%s", onuLossOfFrameEvent, "CLEAR_EVENT")
 	} else if onuAlarm.LoamiStatus == statusCheckOn {
 		de.DeviceEventName = fmt.Sprintf("%s_%s", onuLossOfPloamEvent, "RAISE_EVENT")
 	} else if onuAlarm.LoamiStatus == statusCheckOff {
 		de.DeviceEventName = fmt.Sprintf("%s_%s", onuLossOfPloamEvent, "CLEAR_EVENT")
 	}
 	/* Send event to KAFKA */
 	if err := em.eventProxy.SendDeviceEvent(&de, communication, onu, raisedTs); err != nil {
 		log.Errorw("Failed to send ONU Los event", log.Fields{"onu-id": onuAlarm.OnuId, "intf-id": onuAlarm.IntfId})
 		return err
 	}
 	log.Infow("ONU LOS event sent to KAFKA", log.Fields{"onu-id": onuAlarm.OnuId, "intf-id": onuAlarm.IntfId})
 	return nil
 }

 func (em *OpenOltEventMgr) onuActivationFailIndication(oaf *oop.OnuActivationFailureIndication, deviceID string, raisedTs int64) error {
 	var de voltha.DeviceEvent
 	context := make(map[string]string)
 	/* Populating event context */
 	context["intf-id"] = strconv.FormatUint(uint64(oaf.IntfId), base10)
 	context["onu-id"] = strconv.FormatUint(uint64(oaf.OnuId), base10)
 	/* Populating device event body */
 	de.Context = context
 	de.ResourceId = deviceID
 	de.DeviceEventName = fmt.Sprintf("%s_%s", onuActivationFailEvent, "RAISE_EVENT")
 	/* Send event to KAFKA */
 	if err := em.eventProxy.SendDeviceEvent(&de, equipment, pon, raisedTs); err != nil {
 		log.Errorw("Failed to send ONU activation failure event", log.Fields{"onu-id": oaf.OnuId, "intf-id": oaf.IntfId})
 		return err
 	}
 	log.Infow("ONU activation failure event sent to KAFKA", log.Fields{"onu-id": oaf.OnuId, "intf-id": oaf.IntfId})
 	return nil
 }

 func (em *OpenOltEventMgr) onuLossOmciIndication(onuLossOmci *oop.OnuLossOfOmciChannelIndication, deviceID string, raisedTs int64) error {
 	var de voltha.DeviceEvent
 	context := make(map[string]string)
 	/* Populating event context */
 	context["intf-id"] = strconv.FormatUint(uint64(onuLossOmci.IntfId), base10)
 	context["onu-id"] = strconv.FormatUint(uint64(onuLossOmci.OnuId), base10)
 	/* Populating device event body */
 	de.Context = context
 	de.ResourceId = deviceID
 	if onuLossOmci.Status == statusCheckOn {
 		de.DeviceEventName = fmt.Sprintf("%s_%s", onuLossOmciEvent, "RAISE_EVENT")
 	} else {
 		de.DeviceEventName = fmt.Sprintf("%s_%s", onuLossOmciEvent, "CLEAR_EVENT")
 	}
 	/* Send event to KAFKA */
 	if err := em.eventProxy.SendDeviceEvent(&de, communication, pon, raisedTs); err != nil {
 		log.Errorw("Failed to send ONU loss of OMCI channel event", log.Fields{"onu-id": onuLossOmci.OnuId, "intf-id": onuLossOmci.IntfId})
 		return err
 	}
 	log.Infow("ONU loss of OMCI channel event sent to KAFKA", log.Fields{"onu-id": onuLossOmci.OnuId, "intf-id": onuLossOmci.IntfId})
 	return nil
 }

 func (em *OpenOltEventMgr) onuDriftOfWindowIndication(onuDriftWindow *oop.OnuDriftOfWindowIndication, deviceID string, raisedTs int64) error {
 	var de voltha.DeviceEvent
 	context := make(map[string]string)
 	/* Populating event context */
 	context["intf-id"] = strconv.FormatUint(uint64(onuDriftWindow.IntfId), base10)
 	context["onu-id"] = strconv.FormatUint(uint64(onuDriftWindow.OnuId), base10)
 	context["drift"] = strconv.FormatUint(uint64(onuDriftWindow.OnuId), base10)
 	context["new-eqd"] = strconv.FormatUint(uint64(onuDriftWindow.OnuId), base10)
 	/* Populating device event body */
 	de.Context = context
 	de.ResourceId = deviceID
 	if onuDriftWindow.Status == statusCheckOn {
 		de.DeviceEventName = fmt.Sprintf("%s_%s", onuDriftOfWindowEvent, "RAISE_EVENT")
 	} else {
 		de.DeviceEventName = fmt.Sprintf("%s_%s", onuDriftOfWindowEvent, "CLEAR_EVENT")
 	}
 	/* Send event to KAFKA */
 	if err := em.eventProxy.SendDeviceEvent(&de, communication, pon, raisedTs); err != nil {
 		log.Errorw("Failed to send ONU drift of window event", log.Fields{"onu-id": onuDriftWindow.OnuId, "intf-id": onuDriftWindow.IntfId})
 		return err
 	}
 	log.Infow("ONU drift of window event sent to KAFKA", log.Fields{"onu-id": onuDriftWindow.OnuId, "intf-id": onuDriftWindow.IntfId})
 	return nil
 }

 func (em *OpenOltEventMgr) onuSignalDegradeIndication(onuSignalDegrade *oop.OnuSignalDegradeIndication, deviceID string, raisedTs int64) error {
 	var de voltha.DeviceEvent
 	context := make(map[string]string)
 	/* Populating event context */
 	context["intf-id"] = strconv.FormatUint(uint64(onuSignalDegrade.IntfId), base10)
 	context["onu-id"] = strconv.FormatUint(uint64(onuSignalDegrade.OnuId), base10)
 	/* Populating device event body */
 	de.Context = context
 	de.ResourceId = deviceID
 	if onuSignalDegrade.Status == statusCheckOn {
 		de.DeviceEventName = fmt.Sprintf("%s_%s", onuSignalDegradeEvent, "RAISE_EVENT")
 	} else {
 		de.DeviceEventName = fmt.Sprintf("%s_%s", onuSignalDegradeEvent, "CLEAR_EVENT")
 	}
 	/* Send event to KAFKA */
 	if err := em.eventProxy.SendDeviceEvent(&de, communication, pon, raisedTs); err != nil {
 		log.Errorw("Failed to send ONU signals degrade event", log.Fields{"onu-id": onuSignalDegrade.OnuId, "intf-id": onuSignalDegrade.IntfId})
 		return err
 	}
 	log.Infow("ONU signal degrade event sent to KAFKA", log.Fields{"onu-id": onuSignalDegrade.OnuId, "intf-id": onuSignalDegrade.IntfId})
 	return nil
 }

 func (em *OpenOltEventMgr) onuSignalsFailIndication(onuSignalsFail *oop.OnuSignalsFailureIndication, deviceID string, raisedTs int64) error {
 	var de voltha.DeviceEvent
 	context := make(map[string]string)
 	/* Populating event context */
 	context["onu-id"] = strconv.FormatUint(uint64(onuSignalsFail.OnuId), base10)
 	context["intf-id"] = strconv.FormatUint(uint64(onuSignalsFail.IntfId), base10)
 	context["inverse-bit-error-rate"] = strconv.FormatUint(uint64(onuSignalsFail.InverseBitErrorRate), base10)
 	/* Populating device event body */
 	de.Context = context
 	de.ResourceId = deviceID
 	if onuSignalsFail.Status == statusCheckOn {
 		de.DeviceEventName = fmt.Sprintf("%s_%s", onuSignalsFailEvent, "RAISE_EVENT")
 	} else {
 		de.DeviceEventName = fmt.Sprintf("%s_%s", onuSignalsFailEvent, "CLEAR_EVENT")
 	}
 	/* Send event to KAFKA */
 	if err := em.eventProxy.SendDeviceEvent(&de, communication, pon, raisedTs); err != nil {
 		log.Errorw("Failed to send ONU signals fail event", log.Fields{"onu-id": onuSignalsFail.OnuId, "intf-id": onuSignalsFail.IntfId})
 		return err
 	}
 	log.Infow("ONU signals fail event sent to KAFKA", log.Fields{"onu-id": onuSignalsFail.OnuId, "intf-id": onuSignalsFail.IntfId})
 	return nil
 }

 func (em *OpenOltEventMgr) onuStartupFailedIndication(onuStartupFail *oop.OnuStartupFailureIndication, deviceID string, raisedTs int64) error {
 	var de voltha.DeviceEvent
 	context := make(map[string]string)
 	/* Populating event context */
 	context["onu-id"] = strconv.FormatUint(uint64(onuStartupFail.OnuId), base10)
 	context["intf-id"] = strconv.FormatUint(uint64(onuStartupFail.IntfId), base10)

 	/* Populating device event body */
 	de.Context = context
 	de.ResourceId = deviceID
 	if onuStartupFail.Status == statusCheckOn {
 		de.DeviceEventName = fmt.Sprintf("%s_%s", onuStartupFailEvent, "RAISE_EVENT")
 	} else {
 		de.DeviceEventName = fmt.Sprintf("%s_%s", onuStartupFailEvent, "CLEAR_EVENT")
 	}
 	/* Send event to KAFKA */
 	if err := em.eventProxy.SendDeviceEvent(&de, communication, pon, raisedTs); err != nil {
 		log.Errorw("Failed to send ONU startup fail event", log.Fields{"onu-id": onuStartupFail.OnuId, "intf-id": onuStartupFail.IntfId})
 		return err
 	}
 	log.Infow("ONU startup fail event sent to KAFKA", log.Fields{"onu-id": onuStartupFail.OnuId, "intf-id": onuStartupFail.IntfId})
 	return nil
 }

 func (em *OpenOltEventMgr) onuLossOfSyncIndication(onuLOKI *oop.OnuLossOfKeySyncFailureIndication, deviceID string, raisedTs int64) error {
 	var de voltha.DeviceEvent
 	context := make(map[string]string)
 	/* Populating event context */
 	context["onu-id"] = strconv.FormatUint(uint64(onuLOKI.OnuId), base10)
 	context["intf-id"] = strconv.FormatUint(uint64(onuLOKI.IntfId), base10)
 	/* Populating device event body */
 	de.Context = context
 	de.ResourceId = deviceID
 	if onuLOKI.Status == statusCheckOn {
 		de.DeviceEventName = fmt.Sprintf("%s_%s", onuLossOfKeySyncEvent, "RAISE_EVENT")
 	} else {
 		de.DeviceEventName = fmt.Sprintf("%s_%s", onuLossOfKeySyncEvent, "CLEAR_EVENT")
 	}

 	/* Send event to KAFKA */
 	if err := em.eventProxy.SendDeviceEvent(&de, security, onu, raisedTs); err != nil {
 		log.Errorw("Failed to send ONU loss of key sync event", log.Fields{"onu-id": onuLOKI.OnuId, "intf-id": onuLOKI.IntfId})
 		return err
 	}
 	log.Infow("ONU loss of key sync event sent to KAFKA", log.Fields{"onu-id": onuLOKI.OnuId, "intf-id": onuLOKI.IntfId})
 	return nil
 }
	/*
	* 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 adaptercore provides APIs for the openOLT adapter
	package adaptercore

	import (
	"fmt"
	"strconv"

	"github.com/opencord/voltha-lib-go/v2/pkg/adapters/adapterif"
	"github.com/opencord/voltha-lib-go/v2/pkg/log"
	oop "github.com/opencord/voltha-protos/v2/go/openolt"
	"github.com/opencord/voltha-protos/v2/go/voltha"
	)

	const (
	onuDiscoveryEvent = "ONU_DISCOVERY"
	onuLosEvent = "ONU_LOSS_OF_SIGNAL"
	onuLobEvent = "ONU_LOSS_OF_BURST"
	onuLopcMissEvent = "ONU_LOPC_MISS"
	onuLopcMicErrorEvent = "ONU_LOPC_MIC_ERROR"
	oltLosEvent = "OLT_LOSS_OF_SIGNAL"
	oltIndicationDown = "OLT_DOWN_INDICATION"
	onuDyingGaspEvent = "ONU_DYING_GASP"
	onuSignalsFailEvent = "ONU_SIGNALS_FAIL"
	onuStartupFailEvent = "ONU_STARTUP_FAIL"
	onuSignalDegradeEvent = "ONU_SIGNAL_DEGRADE"
	onuDriftOfWindowEvent = "ONU_DRIFT_OF_WINDOW"
	onuActivationFailEvent = "ONU_ACTIVATION_FAIL"
	onuProcessingErrorEvent = "ONU_PROCESSING_ERROR"
	onuTiwiEvent = "ONU_TRANSMISSION_WARNING"
	onuLossOmciEvent = "ONU_LOSS_OF_OMCI_CHANNEL"
	onuLossOfKeySyncEvent = "ONU_LOSS_OF_KEY_SYNC"
	onuLossOfFrameEvent = "ONU_LOSS_OF_FRAME"
	onuLossOfPloamEvent = "ONU_LOSS_OF_PLOAM"
	)

	const (
	pon = voltha.EventSubCategory_PON
	olt = voltha.EventSubCategory_OLT
	ont = voltha.EventSubCategory_ONT
	onu = voltha.EventSubCategory_ONU
	nni = voltha.EventSubCategory_NNI
	service = voltha.EventCategory_SERVICE
	security = voltha.EventCategory_SECURITY
	equipment = voltha.EventCategory_EQUIPMENT
	processing = voltha.EventCategory_PROCESSING
	environment = voltha.EventCategory_ENVIRONMENT
	communication = voltha.EventCategory_COMMUNICATION
	)

	const (
	// statusCheckOn represents status check On
	statusCheckOn = "on"
	// statusCheckOff represents status check Off
	statusCheckOff = "off"
	// operationStateUp represents operation state Up
	operationStateUp = "up"
	// operationStateDown represents operation state Down
	operationStateDown = "down"
	// base10 represents base 10 conversion
	base10 = 10
	)

	// OpenOltEventMgr struct contains
	type OpenOltEventMgr struct {
	eventProxy adapterif.EventProxy
	handler *DeviceHandler
	}

	// NewEventMgr is a Function to get a new event manager struct for the OpenOLT to process and publish OpenOLT event
	func NewEventMgr(eventProxy adapterif.EventProxy, handler DeviceHandler) OpenOltEventMgr {
	var em OpenOltEventMgr
	em.eventProxy = eventProxy
	em.handler = handler
	return &em
	}

	// ProcessEvents is function to process and publish OpenOLT event
	func (em OpenOltEventMgr) ProcessEvents(alarmInd oop.AlarmIndication, deviceID string, raisedTs int64) {
	var err error
	switch alarmInd.Data.(type) {
	case *oop.AlarmIndication_LosInd:
	log.Infow("Received LOS indication", log.Fields{"alarm_ind": alarmInd})
	err = em.oltLosIndication(alarmInd.GetLosInd(), deviceID, raisedTs)

	case *oop.AlarmIndication_OnuAlarmInd:
	log.Infow("Received onu alarm indication ", log.Fields{"alarm_ind": alarmInd})
	err = em.onuAlarmIndication(alarmInd.GetOnuAlarmInd(), deviceID, raisedTs)

	case *oop.AlarmIndication_DyingGaspInd:
	log.Infow("Received dying gasp indication", log.Fields{"alarm_ind": alarmInd})
	err = em.onuDyingGaspIndication(alarmInd.GetDyingGaspInd(), deviceID, raisedTs)
	case *oop.AlarmIndication_OnuActivationFailInd:
	log.Infow("Received onu activation fail indication ", log.Fields{"alarm_ind": alarmInd})
	err = em.onuActivationFailIndication(alarmInd.GetOnuActivationFailInd(), deviceID, raisedTs)

	case *oop.AlarmIndication_OnuLossOmciInd:
	log.Infow("Received onu loss omci indication ", log.Fields{"alarm_ind": alarmInd})
	err = em.onuLossOmciIndication(alarmInd.GetOnuLossOmciInd(), deviceID, raisedTs)

	case *oop.AlarmIndication_OnuDriftOfWindowInd:
	log.Infow("Received onu drift of window indication ", log.Fields{"alarm_ind": alarmInd})
	err = em.onuDriftOfWindowIndication(alarmInd.GetOnuDriftOfWindowInd(), deviceID, raisedTs)

	case *oop.AlarmIndication_OnuSignalDegradeInd:
	log.Infow("Received onu signal degrade indication ", log.Fields{"alarm_ind": alarmInd})
	err = em.onuSignalDegradeIndication(alarmInd.GetOnuSignalDegradeInd(), deviceID, raisedTs)

	case *oop.AlarmIndication_OnuSignalsFailInd:
	log.Infow("Received onu signal fail indication ", log.Fields{"alarm_ind": alarmInd})
	err = em.onuSignalsFailIndication(alarmInd.GetOnuSignalsFailInd(), deviceID, raisedTs)

	case *oop.AlarmIndication_OnuStartupFailInd:
	log.Infow("Received onu startup fail indication ", log.Fields{"alarm_ind": alarmInd})
	err = em.onuStartupFailedIndication(alarmInd.GetOnuStartupFailInd(), deviceID, raisedTs)
	case *oop.AlarmIndication_OnuTiwiInd:
	log.Infow("Received onu transmission warning indication ", log.Fields{"alarm_ind": alarmInd})
	log.Infow("Not implemented yet", log.Fields{"alarm_ind": "Onu-Transmission-indication"})
	case *oop.AlarmIndication_OnuLossOfSyncFailInd:
	log.Infow("Received onu Loss of Sync Fail indication ", log.Fields{"alarm_ind": alarmInd})
	err = em.onuLossOfSyncIndication(alarmInd.GetOnuLossOfSyncFailInd(), deviceID, raisedTs)
	case *oop.AlarmIndication_OnuItuPonStatsInd:
	log.Infow("Received onu Itu Pon Stats indication ", log.Fields{"alarm_ind": alarmInd})
	log.Infow("Not implemented yet", log.Fields{"alarm_ind": alarmInd})
	default:
	log.Errorw("Received unknown indication type", log.Fields{"alarm_ind": alarmInd})

	}
	if err != nil {
	log.Errorw("Failed to publish message to KAFKA", log.Fields{"error": err})
	}
	}

	// oltUpDownIndication handles Up and Down state of an OLT
	func (em OpenOltEventMgr) oltUpDownIndication(oltIndication oop.OltIndication, deviceID string, raisedTs int64) error {
	var de voltha.DeviceEvent
	context := make(map[string]string)
	/* Populating event context */
	context["oper-state"] = oltIndication.OperState
	/* Populating device event body */
	de.Context = context
	de.ResourceId = deviceID
	if oltIndication.OperState == operationStateDown {
	de.DeviceEventName = fmt.Sprintf("%s_%s", oltIndicationDown, "RAISE_EVENT")
	} else if oltIndication.OperState == operationStateUp {
	de.DeviceEventName = fmt.Sprintf("%s_%s", oltIndicationDown, "CLEAR_EVENT")
	}
	/* Send event to KAFKA */
	if err := em.eventProxy.SendDeviceEvent(&de, communication, olt, raisedTs); err != nil {
	log.Errorw("Failed to send OLT event", log.Fields{"err": err})
	return err
	}
	log.Infow("OLT UpDown event sent to KAFKA", log.Fields{})
	return nil
	}

	// OnuDiscoveryIndication is an exported method to handle ONU discovery event
	func (em OpenOltEventMgr) OnuDiscoveryIndication(onuDisc oop.OnuDiscIndication, deviceID string, OnuID uint32, serialNumber string, raisedTs int64) error {
	var de voltha.DeviceEvent
	context := make(map[string]string)
	/* Populating event context */
	context["onu-id"] = strconv.FormatUint(uint64(OnuID), base10)
	context["intf-id"] = strconv.FormatUint(uint64(onuDisc.IntfId), base10)
	context["serial-number"] = serialNumber
	/* Populating device event body */
	de.Context = context
	de.ResourceId = deviceID
	de.DeviceEventName = fmt.Sprintf("%s_%s", onuDiscoveryEvent, "RAISE_EVENT")
	/* Send event to KAFKA */
	if err := em.eventProxy.SendDeviceEvent(&de, equipment, pon, raisedTs); err != nil {
	log.Errorw("Failed to send ONU discovery event", log.Fields{"serial-number": serialNumber, "intf-id": onuDisc.IntfId})
	return err
	}
	log.Infow("ONU discovery event sent to KAFKA", log.Fields{"serial-number": serialNumber, "intf-id": onuDisc.IntfId})
	return nil
	}

	func (em OpenOltEventMgr) oltLosIndication(oltLos oop.LosIndication, deviceID string, raisedTs int64) error {
	var de voltha.DeviceEvent
	context := make(map[string]string)
	/* Populating event context */
	context["intf-id"] = strconv.FormatUint(uint64(oltLos.IntfId), base10)
	/* Populating device event body */
	de.Context = context
	de.ResourceId = deviceID
	if oltLos.Status == statusCheckOn {
	de.DeviceEventName = fmt.Sprintf("%s_%s", oltLosEvent, "RAISE_EVENT")
	} else {
	de.DeviceEventName = fmt.Sprintf("%s_%s", oltLosEvent, "CLEAR_EVENT")
	}
	/* Send event to KAFKA */
	if err := em.eventProxy.SendDeviceEvent(&de, communication, olt, raisedTs); err != nil {
	log.Errorw("Failed to send OLT loss of signal event", log.Fields{"intf-id": oltLos.IntfId})
	return err
	}
	log.Infow("OLT LOS event sent to KAFKA", log.Fields{"intf-id": oltLos.IntfId})
	return nil
	}

	func (em OpenOltEventMgr) onuDyingGaspIndication(dgi oop.DyingGaspIndication, deviceID string, raisedTs int64) error {
	var de voltha.DeviceEvent
	var serialNumber string
	context := make(map[string]string)
	/* Populating event context */
	serialNumber = ""
	onu := em.handler.formOnuKey(dgi.IntfId, dgi.OnuId)
	if onu, ok := em.handler.onus.Load(onu); ok {
	serialNumber = onu.(*OnuDevice).serialNumber
	}
	context["serial-number"] = serialNumber
	context["intf-id"] = strconv.FormatUint(uint64(dgi.IntfId), base10)
	context["onu-id"] = strconv.FormatUint(uint64(dgi.OnuId), base10)
	/* Populating device event body */
	de.Context = context
	de.ResourceId = deviceID
	if dgi.Status == statusCheckOn {
	de.DeviceEventName = fmt.Sprintf("%s_%s", onuDyingGaspEvent, "RAISE_EVENT")
	} else {
	de.DeviceEventName = fmt.Sprintf("%s_%s", onuDyingGaspEvent, "CLEAR_EVENT")
	}
	/* Send event to KAFKA */
	if err := em.eventProxy.SendDeviceEvent(&de, communication, pon, raisedTs); err != nil {
	log.Errorw("Failed to send ONU Dying gasp event", log.Fields{"intf-id": dgi.IntfId, "onu-id": dgi.OnuId})
	return err
	}
	log.Infow("ONU dying gasp event sent to KAFKA", log.Fields{"intf-id": dgi.IntfId})
	return nil
	}

	func (em OpenOltEventMgr) onuAlarmIndication(onuAlarm oop.OnuAlarmIndication, deviceID string, raisedTs int64) error {
	var de voltha.DeviceEvent
	context := make(map[string]string)
	/* Populating event context */
	context["intf-id"] = strconv.FormatUint(uint64(onuAlarm.IntfId), base10)
	context["onu-id"] = strconv.FormatUint(uint64(onuAlarm.OnuId), base10)
	/* Populating device event body */
	de.Context = context
	de.ResourceId = deviceID
	if onuAlarm.LosStatus == statusCheckOn {
	de.DeviceEventName = fmt.Sprintf("%s_%s", onuLosEvent, "RAISE_EVENT")
	} else if onuAlarm.LosStatus == statusCheckOff {
	de.DeviceEventName = fmt.Sprintf("%s_%s", onuLosEvent, "CLEAR_EVENT")
	} else if onuAlarm.LobStatus == statusCheckOn {
	de.DeviceEventName = fmt.Sprintf("%s_%s", onuLobEvent, "RAISE_EVENT")
	} else if onuAlarm.LobStatus == statusCheckOff {
	de.DeviceEventName = fmt.Sprintf("%s_%s", onuLobEvent, "CLEAR_EVENT")
	} else if onuAlarm.LopcMissStatus == statusCheckOn {
	de.DeviceEventName = fmt.Sprintf("%s_%s", onuLopcMissEvent, "RAISE_EVENT")
	} else if onuAlarm.LopcMissStatus == statusCheckOff {
	de.DeviceEventName = fmt.Sprintf("%s_%s", onuLopcMissEvent, "CLEAR_EVENT")
	} else if onuAlarm.LopcMicErrorStatus == statusCheckOn {
	de.DeviceEventName = fmt.Sprintf("%s_%s", onuLopcMicErrorEvent, "RAISE_EVENT")
	} else if onuAlarm.LopcMicErrorStatus == statusCheckOff {
	de.DeviceEventName = fmt.Sprintf("%s_%s", onuLopcMicErrorEvent, "CLEAR_EVENT")
	} else if onuAlarm.LofiStatus == statusCheckOn {
	de.DeviceEventName = fmt.Sprintf("%s_%s", onuLossOfFrameEvent, "RAISE_EVENT")
	} else if onuAlarm.LofiStatus == statusCheckOff {
	de.DeviceEventName = fmt.Sprintf("%s_%s", onuLossOfFrameEvent, "CLEAR_EVENT")
	} else if onuAlarm.LoamiStatus == statusCheckOn {
	de.DeviceEventName = fmt.Sprintf("%s_%s", onuLossOfPloamEvent, "RAISE_EVENT")
	} else if onuAlarm.LoamiStatus == statusCheckOff {
	de.DeviceEventName = fmt.Sprintf("%s_%s", onuLossOfPloamEvent, "CLEAR_EVENT")
	}
	/* Send event to KAFKA */
	if err := em.eventProxy.SendDeviceEvent(&de, communication, onu, raisedTs); err != nil {
	log.Errorw("Failed to send ONU Los event", log.Fields{"onu-id": onuAlarm.OnuId, "intf-id": onuAlarm.IntfId})
	return err
	}
	log.Infow("ONU LOS event sent to KAFKA", log.Fields{"onu-id": onuAlarm.OnuId, "intf-id": onuAlarm.IntfId})
	return nil
	}

	func (em OpenOltEventMgr) onuActivationFailIndication(oaf oop.OnuActivationFailureIndication, deviceID string, raisedTs int64) error {
	var de voltha.DeviceEvent
	context := make(map[string]string)
	/* Populating event context */
	context["intf-id"] = strconv.FormatUint(uint64(oaf.IntfId), base10)
	context["onu-id"] = strconv.FormatUint(uint64(oaf.OnuId), base10)
	/* Populating device event body */
	de.Context = context
	de.ResourceId = deviceID
	de.DeviceEventName = fmt.Sprintf("%s_%s", onuActivationFailEvent, "RAISE_EVENT")
	/* Send event to KAFKA */
	if err := em.eventProxy.SendDeviceEvent(&de, equipment, pon, raisedTs); err != nil {
	log.Errorw("Failed to send ONU activation failure event", log.Fields{"onu-id": oaf.OnuId, "intf-id": oaf.IntfId})
	return err
	}
	log.Infow("ONU activation failure event sent to KAFKA", log.Fields{"onu-id": oaf.OnuId, "intf-id": oaf.IntfId})
	return nil
	}

	func (em OpenOltEventMgr) onuLossOmciIndication(onuLossOmci oop.OnuLossOfOmciChannelIndication, deviceID string, raisedTs int64) error {
	var de voltha.DeviceEvent
	context := make(map[string]string)
	/* Populating event context */
	context["intf-id"] = strconv.FormatUint(uint64(onuLossOmci.IntfId), base10)
	context["onu-id"] = strconv.FormatUint(uint64(onuLossOmci.OnuId), base10)
	/* Populating device event body */
	de.Context = context
	de.ResourceId = deviceID
	if onuLossOmci.Status == statusCheckOn {
	de.DeviceEventName = fmt.Sprintf("%s_%s", onuLossOmciEvent, "RAISE_EVENT")
	} else {
	de.DeviceEventName = fmt.Sprintf("%s_%s", onuLossOmciEvent, "CLEAR_EVENT")
	}
	/* Send event to KAFKA */
	if err := em.eventProxy.SendDeviceEvent(&de, communication, pon, raisedTs); err != nil {
	log.Errorw("Failed to send ONU loss of OMCI channel event", log.Fields{"onu-id": onuLossOmci.OnuId, "intf-id": onuLossOmci.IntfId})
	return err
	}
	log.Infow("ONU loss of OMCI channel event sent to KAFKA", log.Fields{"onu-id": onuLossOmci.OnuId, "intf-id": onuLossOmci.IntfId})
	return nil
	}

	func (em OpenOltEventMgr) onuDriftOfWindowIndication(onuDriftWindow oop.OnuDriftOfWindowIndication, deviceID string, raisedTs int64) error {
	var de voltha.DeviceEvent
	context := make(map[string]string)
	/* Populating event context */
	context["intf-id"] = strconv.FormatUint(uint64(onuDriftWindow.IntfId), base10)
	context["onu-id"] = strconv.FormatUint(uint64(onuDriftWindow.OnuId), base10)
	context["drift"] = strconv.FormatUint(uint64(onuDriftWindow.OnuId), base10)
	context["new-eqd"] = strconv.FormatUint(uint64(onuDriftWindow.OnuId), base10)
	/* Populating device event body */
	de.Context = context
	de.ResourceId = deviceID
	if onuDriftWindow.Status == statusCheckOn {
	de.DeviceEventName = fmt.Sprintf("%s_%s", onuDriftOfWindowEvent, "RAISE_EVENT")
	} else {
	de.DeviceEventName = fmt.Sprintf("%s_%s", onuDriftOfWindowEvent, "CLEAR_EVENT")
	}
	/* Send event to KAFKA */
	if err := em.eventProxy.SendDeviceEvent(&de, communication, pon, raisedTs); err != nil {
	log.Errorw("Failed to send ONU drift of window event", log.Fields{"onu-id": onuDriftWindow.OnuId, "intf-id": onuDriftWindow.IntfId})
	return err
	}
	log.Infow("ONU drift of window event sent to KAFKA", log.Fields{"onu-id": onuDriftWindow.OnuId, "intf-id": onuDriftWindow.IntfId})
	return nil
	}

	func (em OpenOltEventMgr) onuSignalDegradeIndication(onuSignalDegrade oop.OnuSignalDegradeIndication, deviceID string, raisedTs int64) error {
	var de voltha.DeviceEvent
	context := make(map[string]string)
	/* Populating event context */
	context["intf-id"] = strconv.FormatUint(uint64(onuSignalDegrade.IntfId), base10)
	context["onu-id"] = strconv.FormatUint(uint64(onuSignalDegrade.OnuId), base10)
	/* Populating device event body */
	de.Context = context
	de.ResourceId = deviceID
	if onuSignalDegrade.Status == statusCheckOn {
	de.DeviceEventName = fmt.Sprintf("%s_%s", onuSignalDegradeEvent, "RAISE_EVENT")
	} else {
	de.DeviceEventName = fmt.Sprintf("%s_%s", onuSignalDegradeEvent, "CLEAR_EVENT")
	}
	/* Send event to KAFKA */
	if err := em.eventProxy.SendDeviceEvent(&de, communication, pon, raisedTs); err != nil {
	log.Errorw("Failed to send ONU signals degrade event", log.Fields{"onu-id": onuSignalDegrade.OnuId, "intf-id": onuSignalDegrade.IntfId})
	return err
	}
	log.Infow("ONU signal degrade event sent to KAFKA", log.Fields{"onu-id": onuSignalDegrade.OnuId, "intf-id": onuSignalDegrade.IntfId})
	return nil
	}

	func (em OpenOltEventMgr) onuSignalsFailIndication(onuSignalsFail oop.OnuSignalsFailureIndication, deviceID string, raisedTs int64) error {
	var de voltha.DeviceEvent
	context := make(map[string]string)
	/* Populating event context */
	context["onu-id"] = strconv.FormatUint(uint64(onuSignalsFail.OnuId), base10)
	context["intf-id"] = strconv.FormatUint(uint64(onuSignalsFail.IntfId), base10)
	context["inverse-bit-error-rate"] = strconv.FormatUint(uint64(onuSignalsFail.InverseBitErrorRate), base10)
	/* Populating device event body */
	de.Context = context
	de.ResourceId = deviceID
	if onuSignalsFail.Status == statusCheckOn {
	de.DeviceEventName = fmt.Sprintf("%s_%s", onuSignalsFailEvent, "RAISE_EVENT")
	} else {
	de.DeviceEventName = fmt.Sprintf("%s_%s", onuSignalsFailEvent, "CLEAR_EVENT")
	}
	/* Send event to KAFKA */
	if err := em.eventProxy.SendDeviceEvent(&de, communication, pon, raisedTs); err != nil {
	log.Errorw("Failed to send ONU signals fail event", log.Fields{"onu-id": onuSignalsFail.OnuId, "intf-id": onuSignalsFail.IntfId})
	return err
	}
	log.Infow("ONU signals fail event sent to KAFKA", log.Fields{"onu-id": onuSignalsFail.OnuId, "intf-id": onuSignalsFail.IntfId})
	return nil
	}

	func (em OpenOltEventMgr) onuStartupFailedIndication(onuStartupFail oop.OnuStartupFailureIndication, deviceID string, raisedTs int64) error {
	var de voltha.DeviceEvent
	context := make(map[string]string)
	/* Populating event context */
	context["onu-id"] = strconv.FormatUint(uint64(onuStartupFail.OnuId), base10)
	context["intf-id"] = strconv.FormatUint(uint64(onuStartupFail.IntfId), base10)

	/* Populating device event body */
	de.Context = context
	de.ResourceId = deviceID
	if onuStartupFail.Status == statusCheckOn {
	de.DeviceEventName = fmt.Sprintf("%s_%s", onuStartupFailEvent, "RAISE_EVENT")
	} else {
	de.DeviceEventName = fmt.Sprintf("%s_%s", onuStartupFailEvent, "CLEAR_EVENT")
	}
	/* Send event to KAFKA */
	if err := em.eventProxy.SendDeviceEvent(&de, communication, pon, raisedTs); err != nil {
	log.Errorw("Failed to send ONU startup fail event", log.Fields{"onu-id": onuStartupFail.OnuId, "intf-id": onuStartupFail.IntfId})
	return err
	}
	log.Infow("ONU startup fail event sent to KAFKA", log.Fields{"onu-id": onuStartupFail.OnuId, "intf-id": onuStartupFail.IntfId})
	return nil
	}

	func (em OpenOltEventMgr) onuLossOfSyncIndication(onuLOKI oop.OnuLossOfKeySyncFailureIndication, deviceID string, raisedTs int64) error {
	var de voltha.DeviceEvent
	context := make(map[string]string)
	/* Populating event context */
	context["onu-id"] = strconv.FormatUint(uint64(onuLOKI.OnuId), base10)
	context["intf-id"] = strconv.FormatUint(uint64(onuLOKI.IntfId), base10)
	/* Populating device event body */
	de.Context = context
	de.ResourceId = deviceID
	if onuLOKI.Status == statusCheckOn {
	de.DeviceEventName = fmt.Sprintf("%s_%s", onuLossOfKeySyncEvent, "RAISE_EVENT")
	} else {
	de.DeviceEventName = fmt.Sprintf("%s_%s", onuLossOfKeySyncEvent, "CLEAR_EVENT")
	}

	/* Send event to KAFKA */
	if err := em.eventProxy.SendDeviceEvent(&de, security, onu, raisedTs); err != nil {
	log.Errorw("Failed to send ONU loss of key sync event", log.Fields{"onu-id": onuLOKI.OnuId, "intf-id": onuLOKI.IntfId})
	return err
	}
	log.Infow("ONU loss of key sync event sent to KAFKA", log.Fields{"onu-id": onuLOKI.OnuId, "intf-id": onuLOKI.IntfId})
	return nil
	}