// Copyright 2018 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 main

import (
	"encoding/json"
	"gerrit.opencord.org/kafka-topic-exporter/common/logger"
	"github.com/prometheus/client_golang/prometheus"
	log "github.com/sirupsen/logrus"
	"strconv"
)

var (
	// voltha kpis
	volthaTxBytesTotal = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Name: "voltha_tx_bytes_total",
			Help: "Number of total bytes transmitted",
		},
		[]string{"logical_device_id", "serial_number", "device_id", "interface_id", "pon_id", "port_number", "title"},
	)
	volthaRxBytesTotal = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Name: "voltha_rx_bytes_total",
			Help: "Number of total bytes received",
		},
		[]string{"logical_device_id", "serial_number", "device_id", "interface_id", "pon_id", "port_number", "title"},
	)
	volthaTxPacketsTotal = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Name: "voltha_tx_packets_total",
			Help: "Number of total packets transmitted",
		},
		[]string{"logical_device_id", "serial_number", "device_id", "interface_id", "pon_id", "port_number", "title"},
	)
	volthaRxPacketsTotal = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Name: "voltha_rx_packets_total",
			Help: "Number of total packets received",
		},
		[]string{"logical_device_id", "serial_number", "device_id", "interface_id", "pon_id", "port_number", "title"},
	)

	volthaTxErrorPacketsTotal = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Name: "voltha_tx_error_packets_total",
			Help: "Number of total transmitted packets error",
		},
		[]string{"logical_device_id", "serial_number", "device_id", "interface_id", "pon_id", "port_number", "title"},
	)

	volthaRxErrorPacketsTotal = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Name: "voltha_rx_error_packets_total",
			Help: "Number of total received packets error",
		},
		[]string{"logical_device_id", "serial_number", "device_id", "interface_id", "pon_id", "port_number", "title"},
	)

	// optical parameters
	VolthaOnuLaserBiasCurrent = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Name: "voltha_onu_laser_bias_current",
			Help: "ONU Laser bias current value",
		},
		[]string{"logical_device_id", "serial_number", "device_id", "interface_id", "pon_id", "port_number", "title"},
	)

	volthaOnuTemperature = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Name: "voltha_onu_temperature",
			Help: "ONU temperature value",
		},
		[]string{"logical_device_id", "serial_number", "device_id", "interface_id", "pon_id", "port_number", "title"},
	)

	VolthaOnuPowerFeedVoltage = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Name: "voltha_onu_power_feed_voltage",
			Help: "ONU power feed voltage",
		},
		[]string{"logical_device_id", "serial_number", "device_id", "interface_id", "pon_id", "port_number", "title"},
	)

	VolthaOnuMeanOpticalLaunchPower = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Name: "voltha_onu_mean_optical_launch_power",
			Help: "ONU mean optical launch power",
		},
		[]string{"logical_device_id", "serial_number", "device_id", "interface_id", "pon_id", "port_number", "title"},
	)

	VolthaOnuReceivedOpticalPower = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Name: "voltha_onu_received_optical_power",
			Help: "ONU received optical power",
		},
		[]string{"logical_device_id", "serial_number", "device_id", "interface_id", "pon_id", "port_number", "title"},
	)

	// onos kpis
	onosTxBytesTotal = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Name: "onos_tx_bytes_total",
			Help: "Number of total bytes transmitted",
		},
		[]string{"device_id", "port_id"},
	)
	onosRxBytesTotal = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Name: "onos_rx_bytes_total",
			Help: "Number of total bytes received",
		},
		[]string{"device_id", "port_id"},
	)
	onosTxPacketsTotal = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Name: "onos_tx_packets_total",
			Help: "Number of total packets transmitted",
		},
		[]string{"device_id", "port_id"},
	)
	onosRxPacketsTotal = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Name: "onos_rx_packets_total",
			Help: "Number of total packets received",
		},
		[]string{"device_id", "port_id"},
	)

	onosTxDropPacketsTotal = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Name: "onos_tx_drop_packets_total",
			Help: "Number of total transmitted packets dropped",
		},
		[]string{"device_id", "port_id"},
	)

	onosRxDropPacketsTotal = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Name: "onos_rx_drop_packets_total",
			Help: "Number of total received packets dropped",
		},
		[]string{"device_id", "port_id"},
	)

	// onos.aaa kpis
	onosaaaRxAcceptResponses = prometheus.NewGauge(
		prometheus.GaugeOpts{
			Name: "onosaaa_rx_accept_responses",
			Help: "Number of access accept packets received from the server",
		})
	onosaaaRxRejectResponses = prometheus.NewGauge(
		prometheus.GaugeOpts{
			Name: "onosaaa_rx_reject_responses",
			Help: "Number of access reject packets received from the server",
		})
	onosaaaRxChallengeResponses = prometheus.NewGauge(
		prometheus.GaugeOpts{
			Name: "onosaaa_rx_challenge_response",
			Help: "Number of access challenge packets received from the server",
		})
	onosaaaTxAccessRequests = prometheus.NewGauge(
		prometheus.GaugeOpts{
			Name: "onosaaa_tx_access_requests",
			Help: "Number of access request packets sent to the server",
		})
	onosaaaRxInvalidValidators = prometheus.NewGauge(
		prometheus.GaugeOpts{
			Name: "onosaaa_rx_invalid_validators",
			Help: "Number of access response packets received from the server with an invalid validator",
		})
	onosaaaRxUnknownType = prometheus.NewGauge(
		prometheus.GaugeOpts{
			Name: "onosaaa_rx_unknown_type",
			Help: "Number of packets of an unknown RADIUS type received from the accounting server",
		})
	onosaaaPendingRequests = prometheus.NewGauge(
		prometheus.GaugeOpts{
			Name: "onosaaa_pending_responses",
			Help: "Number of access request packets pending a response from the server",
		})
	onosaaaRxDroppedResponses = prometheus.NewGauge(
		prometheus.GaugeOpts{
			Name: "onosaaa_rx_dropped_responses",
			Help: "Number of dropped packets received from the accounting server",
		})
	onosaaaRxMalformedResponses = prometheus.NewGauge(
		prometheus.GaugeOpts{
			Name: "onosaaa_rx_malformed_responses",
			Help: "Number of malformed access response packets received from the server",
		})
	onosaaaRxUnknownserver = prometheus.NewGauge(
		prometheus.GaugeOpts{
			Name: "onosaaa_rx_from_unknown_server",
			Help: "Number of packets received from an unknown server",
		})
	onosaaaRequestRttMillis = prometheus.NewGauge(
		prometheus.GaugeOpts{
			Name: "onosaaa_request_rttmillis",
			Help: "Roundtrip packet time to the accounting server in Miliseconds",
		})
	onosaaaRequestReTx = prometheus.NewGauge(
		prometheus.GaugeOpts{
			Name: "onosaaa_request_re_tx",
			Help: "Number of access request packets retransmitted to the server",
		})

	// ONOS PPPoE kpis

	onosPppoeUpTermBytes = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Name: "onosPppoeupTermBytes",
			Help: "onosPppoeupTermBytes",
		},
		[]string{"mac_address", "ip", "session_id", "s_tag", "c_tag", "onu_serial"},
	)
	onosPppoeUpTermPackets = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Name: "onosPppoeupTermPackets",
			Help: "onosPppoeupTermPackets",
		},
		[]string{"mac_address", "ip", "session_id", "s_tag", "c_tag", "onu_serial"},
	)
	onosPppoeUpDropBytes = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Name: "onosPppoeupDropBytes",
			Help: "onosPppoeupDropBytes",
		},
		[]string{"mac_address", "ip", "session_id", "s_tag", "c_tag", "onu_serial"},
	)
	onosPppoeUpDropPackets = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Name: "onosPppoeupDropPackets",
			Help: "onosPppoeupDropPackets",
		},
		[]string{"mac_address", "ip", "session_id", "s_tag", "c_tag", "onu_serial"},
	)
	onosPppoeUpControlPackets = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Name: "onosPppoeupControlPackets",
			Help: "onosPppoeupControlPackets",
		},
		[]string{"mac_address", "ip", "session_id", "s_tag", "c_tag", "onu_serial"},
	)
	onosPppoeDownRxBytes = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Name: "onosPppoedownRxBytes",
			Help: "onosPppoedownRxBytes",
		},
		[]string{"mac_address", "ip", "session_id", "s_tag", "c_tag", "onu_serial"},
	)
	onosPppoeDownRxPackets = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Name: "onosPppoedownRxPackets",
			Help: "onosPppoedownRxPackets",
		},
		[]string{"mac_address", "ip", "session_id", "s_tag", "c_tag", "onu_serial"},
	)
	onosPppoeDownTxBytes = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Name: "onosPppoedownTxBytes",
			Help: "onosPppoedownTxBytes",
		},
		[]string{"mac_address", "ip", "session_id", "s_tag", "c_tag", "onu_serial"},
	)
	onosPppoeDownTxPackets = prometheus.NewGaugeVec(
		prometheus.GaugeOpts{
			Name: "onosPppoedownTxPackets",
			Help: "onosPppoedownTxPackets",
		},
		[]string{"mac_address", "ip", "session_id", "s_tag", "c_tag", "onu_serial"},
	)
)

func exportVolthaKPI(kpi VolthaKPI) {

	for _, data := range kpi.SliceDatas {
		switch title := data.Metadata.Title; title {
		case "Ethernet", "PON":
			volthaTxBytesTotal.WithLabelValues(
				data.Metadata.LogicalDeviceID,
				data.Metadata.SerialNumber,
				data.Metadata.DeviceID,
				data.Metadata.Context.InterfaceID,
				data.Metadata.Context.PonID,
				data.Metadata.Context.PortNumber,
				data.Metadata.Title,
			).Set(data.Metrics.TxBytes)

			volthaRxBytesTotal.WithLabelValues(
				data.Metadata.LogicalDeviceID,
				data.Metadata.SerialNumber,
				data.Metadata.DeviceID,
				data.Metadata.Context.InterfaceID,
				data.Metadata.Context.PonID,
				data.Metadata.Context.PortNumber,
				data.Metadata.Title,
			).Set(data.Metrics.RxBytes)

			volthaTxPacketsTotal.WithLabelValues(
				data.Metadata.LogicalDeviceID,
				data.Metadata.SerialNumber,
				data.Metadata.DeviceID,
				data.Metadata.Context.InterfaceID,
				data.Metadata.Context.PonID,
				data.Metadata.Context.PortNumber,
				data.Metadata.Title,
			).Set(data.Metrics.TxPackets)

			volthaRxPacketsTotal.WithLabelValues(
				data.Metadata.LogicalDeviceID,
				data.Metadata.SerialNumber,
				data.Metadata.DeviceID,
				data.Metadata.Context.InterfaceID,
				data.Metadata.Context.PonID,
				data.Metadata.Context.PortNumber,
				data.Metadata.Title,
			).Set(data.Metrics.RxPackets)

			volthaTxErrorPacketsTotal.WithLabelValues(
				data.Metadata.LogicalDeviceID,
				data.Metadata.SerialNumber,
				data.Metadata.DeviceID,
				data.Metadata.Context.InterfaceID,
				data.Metadata.Context.PonID,
				data.Metadata.Context.PortNumber,
				data.Metadata.Title,
			).Set(data.Metrics.TxErrorPackets)

			volthaRxErrorPacketsTotal.WithLabelValues(
				data.Metadata.LogicalDeviceID,
				data.Metadata.SerialNumber,
				data.Metadata.DeviceID,
				data.Metadata.Context.InterfaceID,
				data.Metadata.Context.PonID,
				data.Metadata.Context.PortNumber,
				data.Metadata.Title,
			).Set(data.Metrics.RxErrorPackets)

			// TODO add metrics for:
			// TxBcastPackets
			// TxUnicastPackets
			// TxMulticastPackets
			// RxBcastPackets
			// RxMulticastPackets

		case "Ethernet_Bridge_Port_History":
			if data.Metadata.Context.Upstream == "True" {
				// ONU. Extended Ethernet statistics.
				volthaTxPacketsTotal.WithLabelValues(
					data.Metadata.LogicalDeviceID,
					data.Metadata.SerialNumber,
					data.Metadata.DeviceID,
					"NA", // InterfaceID
					"NA", // PonID
					"NA", // PortNumber
					data.Metadata.Title,
				).Add(data.Metrics.Packets)

				volthaTxBytesTotal.WithLabelValues(
					data.Metadata.LogicalDeviceID,
					data.Metadata.SerialNumber,
					data.Metadata.DeviceID,
					"NA", // InterfaceID
					"NA", // PonID
					"NA", // PortNumber
					data.Metadata.Title,
				).Add(data.Metrics.Octets)
			} else {
				// ONU. Extended Ethernet statistics.
				volthaRxPacketsTotal.WithLabelValues(
					data.Metadata.LogicalDeviceID,
					data.Metadata.SerialNumber,
					data.Metadata.DeviceID,
					"NA", // InterfaceID
					"NA", // PonID
					"NA", // PortNumber
					data.Metadata.Title,
				).Add(data.Metrics.Packets)

				volthaRxBytesTotal.WithLabelValues(
					data.Metadata.LogicalDeviceID,
					data.Metadata.SerialNumber,
					data.Metadata.DeviceID,
					"NA", // InterfaceID
					"NA", // PonID
					"NA", // PortNumber
					data.Metadata.Title,
				).Add(data.Metrics.Octets)
			}

		case "PON_Optical":
			VolthaOnuLaserBiasCurrent.WithLabelValues(
				data.Metadata.LogicalDeviceID,
				data.Metadata.SerialNumber,
				data.Metadata.DeviceID,
				data.Metadata.Context.InterfaceID,
				data.Metadata.Context.PonID,
				data.Metadata.Context.PortNumber,
				data.Metadata.Title,
			).Set(data.Metrics.LaserBiasCurrent)

			volthaOnuTemperature.WithLabelValues(
				data.Metadata.LogicalDeviceID,
				data.Metadata.SerialNumber,
				data.Metadata.DeviceID,
				data.Metadata.Context.InterfaceID,
				data.Metadata.Context.PonID,
				data.Metadata.Context.PortNumber,
				data.Metadata.Title,
			).Set(data.Metrics.Temperature)

			VolthaOnuPowerFeedVoltage.WithLabelValues(
				data.Metadata.LogicalDeviceID,
				data.Metadata.SerialNumber,
				data.Metadata.DeviceID,
				data.Metadata.Context.InterfaceID,
				data.Metadata.Context.PonID,
				data.Metadata.Context.PortNumber,
				data.Metadata.Title,
			).Set(data.Metrics.PowerFeedVoltage)

			VolthaOnuMeanOpticalLaunchPower.WithLabelValues(
				data.Metadata.LogicalDeviceID,
				data.Metadata.SerialNumber,
				data.Metadata.DeviceID,
				data.Metadata.Context.InterfaceID,
				data.Metadata.Context.PonID,
				data.Metadata.Context.PortNumber,
				data.Metadata.Title,
			).Set(data.Metrics.MeanOpticalLaunchPower)

			VolthaOnuReceivedOpticalPower.WithLabelValues(
				data.Metadata.LogicalDeviceID,
				data.Metadata.SerialNumber,
				data.Metadata.DeviceID,
				data.Metadata.Context.InterfaceID,
				data.Metadata.Context.PonID,
				data.Metadata.Context.PortNumber,
				data.Metadata.Title,
			).Set(data.Metrics.ReceivedOpticalPower)

		case "Ethernet_UNI_History":
			// ONU. Do nothing.

		case "FEC_History":
			// ONU. Do Nothing.

			volthaTxBytesTotal.WithLabelValues(
				data.Metadata.LogicalDeviceID,
				data.Metadata.SerialNumber,
				data.Metadata.DeviceID,
				data.Metadata.Context.InterfaceID,
				data.Metadata.Context.PonID,
				data.Metadata.Context.PortNumber,
				data.Metadata.Title,
			).Set(data.Metrics.TxBytes)

			volthaRxBytesTotal.WithLabelValues(
				data.Metadata.LogicalDeviceID,
				data.Metadata.SerialNumber,
				data.Metadata.DeviceID,
				data.Metadata.Context.InterfaceID,
				data.Metadata.Context.PonID,
				data.Metadata.Context.PortNumber,
				data.Metadata.Title,
			).Set(data.Metrics.RxBytes)

			volthaTxPacketsTotal.WithLabelValues(
				data.Metadata.LogicalDeviceID,
				data.Metadata.SerialNumber,
				data.Metadata.DeviceID,
				data.Metadata.Context.InterfaceID,
				data.Metadata.Context.PonID,
				data.Metadata.Context.PortNumber,
				data.Metadata.Title,
			).Set(data.Metrics.TxPackets)

			volthaRxPacketsTotal.WithLabelValues(
				data.Metadata.LogicalDeviceID,
				data.Metadata.SerialNumber,
				data.Metadata.DeviceID,
				data.Metadata.Context.InterfaceID,
				data.Metadata.Context.PonID,
				data.Metadata.Context.PortNumber,
				data.Metadata.Title,
			).Set(data.Metrics.RxPackets)

			volthaTxErrorPacketsTotal.WithLabelValues(
				data.Metadata.LogicalDeviceID,
				data.Metadata.SerialNumber,
				data.Metadata.DeviceID,
				data.Metadata.Context.InterfaceID,
				data.Metadata.Context.PonID,
				data.Metadata.Context.PortNumber,
				data.Metadata.Title,
			).Set(data.Metrics.TxErrorPackets)

			volthaRxErrorPacketsTotal.WithLabelValues(
				data.Metadata.LogicalDeviceID,
				data.Metadata.SerialNumber,
				data.Metadata.DeviceID,
				data.Metadata.Context.InterfaceID,
				data.Metadata.Context.PonID,
				data.Metadata.Context.PortNumber,
				data.Metadata.Title,
			).Set(data.Metrics.RxErrorPackets)

			// TODO add metrics for:
			// TxBcastPackets
			// TxUnicastPackets
			// TxMulticastPackets
			// RxBcastPackets
			// RxMulticastPackets

		case "voltha.internal":
			// Voltha Internal. Do nothing.
		}
	}
}

func exportOnosKPI(kpi OnosKPI) {

	for _, data := range kpi.Ports {

		onosTxBytesTotal.WithLabelValues(
			kpi.DeviceID,
			data.PortID,
		).Set(data.TxBytes)

		onosRxBytesTotal.WithLabelValues(
			kpi.DeviceID,
			data.PortID,
		).Set(data.RxBytes)

		onosTxPacketsTotal.WithLabelValues(
			kpi.DeviceID,
			data.PortID,
		).Set(data.TxPackets)

		onosRxPacketsTotal.WithLabelValues(
			kpi.DeviceID,
			data.PortID,
		).Set(data.RxPackets)

		onosTxDropPacketsTotal.WithLabelValues(
			kpi.DeviceID,
			data.PortID,
		).Set(data.TxPacketsDrop)

		onosRxDropPacketsTotal.WithLabelValues(
			kpi.DeviceID,
			data.PortID,
		).Set(data.RxPacketsDrop)
	}
}

func exportImporterKPI(kpi ImporterKPI) {
	// TODO: add metrics for importer data
	logger.Info("To be implemented")
}

func exportOnosAaaKPI(kpi OnosAaaKPI) {

	onosaaaRxAcceptResponses.Set(kpi.RxAcceptResponses)

	onosaaaRxRejectResponses.Set(kpi.RxRejectResponses)

	onosaaaRxChallengeResponses.Set(kpi.RxChallengeResponses)

	onosaaaTxAccessRequests.Set(kpi.TxAccessRequests)

	onosaaaRxInvalidValidators.Set(kpi.RxInvalidValidators)

	onosaaaRxUnknownType.Set(kpi.RxUnknownType)

	onosaaaPendingRequests.Set(kpi.PendingRequests)

	onosaaaRxDroppedResponses.Set(kpi.RxDroppedResponses)

	onosaaaRxMalformedResponses.Set(kpi.RxMalformedResponses)

	onosaaaRxUnknownserver.Set(kpi.RxUnknownserver)

	onosaaaRequestRttMillis.Set(kpi.RequestRttMillis)

	onosaaaRequestReTx.Set(kpi.RequestReTx)
}

func exportOnosPppoeKPI(kpi OnosPppoeKPI) {
	for _, s := range kpi.Subscribers {

		logger.WithFields(log.Fields{
			"Mac":        s.Mac,
			"Ip":         s.Ip,
			"SessionId":  strconv.Itoa(s.SessionId),
			"STag":       strconv.Itoa(s.STag),
			"CTag":       strconv.Itoa(s.CTag),
			"onuSerialNumber": s.SerialNumber,
		}).Trace("Received OnosPppoeKPI message")

		onosPppoeUpTermBytes.WithLabelValues(
			s.Mac,
			s.Ip,
			strconv.Itoa(s.SessionId),
			strconv.Itoa(s.STag),
			strconv.Itoa(s.CTag),
			s.SerialNumber,
		).Set(s.UpTermBytes)
		onosPppoeUpTermPackets.WithLabelValues(
			s.Mac,
			s.Ip,
			strconv.Itoa(s.SessionId),
			strconv.Itoa(s.STag),
			strconv.Itoa(s.CTag),
			s.SerialNumber,
		).Set(s.UpTermPackets)
		onosPppoeUpDropBytes.WithLabelValues(
			s.Mac,
			s.Ip,
			strconv.Itoa(s.SessionId),
			strconv.Itoa(s.STag),
			strconv.Itoa(s.CTag),
			s.SerialNumber,
		).Set(s.UpDropBytes)
		onosPppoeUpDropPackets.WithLabelValues(
			s.Mac,
			s.Ip,
			strconv.Itoa(s.SessionId),
			strconv.Itoa(s.STag),
			strconv.Itoa(s.CTag),
			s.SerialNumber,
		).Set(s.UpDropPackets)
		onosPppoeUpControlPackets.WithLabelValues(
			s.Mac,
			s.Ip,
			strconv.Itoa(s.SessionId),
			strconv.Itoa(s.STag),
			strconv.Itoa(s.CTag),
			s.SerialNumber,
		).Set(s.UpControlPackets)
		onosPppoeDownRxBytes.WithLabelValues(
			s.Mac,
			s.Ip,
			strconv.Itoa(s.SessionId),
			strconv.Itoa(s.STag),
			strconv.Itoa(s.CTag),
			s.SerialNumber,
		).Set(s.DownRxBytes)
		onosPppoeDownRxPackets.WithLabelValues(
			s.Mac,
			s.Ip,
			strconv.Itoa(s.SessionId),
			strconv.Itoa(s.STag),
			strconv.Itoa(s.CTag),
			s.SerialNumber,
		).Set(s.DownRxPackets)
		onosPppoeDownTxBytes.WithLabelValues(
			s.Mac,
			s.Ip,
			strconv.Itoa(s.SessionId),
			strconv.Itoa(s.STag),
			strconv.Itoa(s.CTag),
			s.SerialNumber,
		).Set(s.DownTxBytes)
		onosPppoeDownTxPackets.WithLabelValues(
			s.Mac,
			s.Ip,
			strconv.Itoa(s.SessionId),
			strconv.Itoa(s.STag),
			strconv.Itoa(s.CTag),
			s.SerialNumber,
		).Set(s.DownTxPackets)
	}
}

func export(topic *string, data []byte) {
	switch *topic {
	case "voltha.kpis":
		kpi := VolthaKPI{}
		err := json.Unmarshal(data, &kpi)
		if err != nil {
			logger.Error("Invalid msg on voltha.kpis: %s, Unprocessed Msg: %s", err.Error(), string(data))
			break
		}
		exportVolthaKPI(kpi)
	case "onos.kpis":
		kpi := OnosKPI{}
		err := json.Unmarshal(data, &kpi)
		if err != nil {
			logger.Error("Invalid msg on onos.kpis: %s, Unprocessed Msg: %s", err.Error(), string(data))
			break
		}
		exportOnosKPI(kpi)
	case "importer.kpis":
		kpi := ImporterKPI{}
		err := json.Unmarshal(data, &kpi)
		if err != nil {
			logger.Error("Invalid msg on importer.kpis: %s, Unprocessed Msg: %s", err.Error(), string(data))
			break
		}
		exportImporterKPI(kpi)
	case "onos.aaa.stats.kpis":
		kpi := OnosAaaKPI{}
		err := json.Unmarshal(data, &kpi)
		if err != nil {
			logger.Error("Invalid msg on onos.aaa.stats.kpis: %s, Unprocessed Msg: %s", err.Error(), string(data))
			break
		}
		exportOnosAaaKPI(kpi)
	case "pppoe.stats":
		kpi := OnosPppoeKPI{}
		err := json.Unmarshal(data, &kpi)
		if err != nil {
			logger.Error("Invalid msg on pppoe.stats: %s, Unprocessed Msg: %s", err.Error(), string(data))
			break
		}
		exportOnosPppoeKPI(kpi)
	default:
		logger.Warn("Unexpected export. Topic [%s] not supported. Should not come here", *topic)
	}
}