This commit is contained in:
124
src/udi/handlers/ttn/emu-example.json
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124
src/udi/handlers/ttn/emu-example.json
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{
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"end_device_ids": {
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"device_id": "eui-102ceffffe01089c",
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"application_ids": {
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"application_id": "com-passavant-geiger-poc"
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},
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"dev_eui": "102CEFFFFE01089C",
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"join_eui": "102CEF0000000000",
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"dev_addr": "260B0E1A"
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},
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"correlation_ids": [
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"gs:uplink:01HH4TTA29NV2GZXGYQ61R2BVZ"
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],
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"received_at": "2023-12-08T13:45:34.236364394Z",
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"uplink_message": {
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"session_key_id": "AYxJcJyrJgr7XiIUdO3EBA==",
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"f_port": 1,
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"f_cnt": 64,
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"frm_payload": "3B1zZQsAAAAADAAAAAANAAAAAA4AAAAAFwAYABkA8ABm",
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"decoded_payload": {
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"Active Power L1": {
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"cfgphase": 1,
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"unit": "W",
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"value": 0
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},
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"Active Power L123": {
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"unit": "W",
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"value": 0
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},
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"Active Power L2": {
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"cfgphase": 2,
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"unit": "W",
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"value": 0
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},
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"Active Power L3": {
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"cfgphase": 3,
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"unit": "W",
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"value": 0
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},
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"Powerfactor L1": {
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"cfgphase": 1,
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"unit": "Cos",
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"value": 0,
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"value_raw": 0
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},
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"Powerfactor L2": {
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"cfgphase": 2,
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"unit": "Cos",
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"value": 0,
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"value_raw": 0
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},
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"Powerfactor L3": {
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"cfgphase": 3,
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"unit": "Cos",
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"value": 0,
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"value_raw": 0
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},
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"errorcode": {
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"CTRatioChange": false,
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"ImpulseRatioChange": false,
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"ImpulseWidthChange": false,
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"LogbookFull": false,
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"PowerFail": false,
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"TimeChanged": false,
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"VTRatioChange": false,
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"value": 0
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},
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"medium": {
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"desc": "Electricity",
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"type": 1
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},
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"timeStamp": 1702043100
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},
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"rx_metadata": [
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{
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"gateway_ids": {
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"gateway_id": "eui-b827ebfffe8b01dd",
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"eui": "B827EBFFFE8B01DD"
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},
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"time": "2023-12-08T13:45:33.311665058Z",
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"timestamp": 3841207982,
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"rssi": -86,
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"channel_rssi": -86,
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"snr": 13.25,
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"location": {
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"latitude": 51.404164272478724,
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"longitude": 7.060088589208832,
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"source": "SOURCE_REGISTRY"
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},
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"uplink_token": "CiIKIAoUZXVpLWI4MjdlYmZmZmU4YjAxZGQSCLgn6//+iwHdEK7d0KcOGgsI/rvMqwYQn82PDCCwr9nO5eulAg==",
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"received_at": "2023-12-08T13:45:34.006723465Z"
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}
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],
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"settings": {
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"data_rate": {
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"lora": {
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"bandwidth": 125000,
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"spreading_factor": 7,
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"coding_rate": "4/5"
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}
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},
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"frequency": "868300000",
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"timestamp": 3841207982,
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"time": "2023-12-08T13:45:33.311665058Z"
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},
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"received_at": "2023-12-08T13:45:34.027717446Z",
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"confirmed": true,
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"consumed_airtime": "0.092416s",
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"version_ids": {
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"brand_id": "emu",
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"model_id": "emu-prof-ii",
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"hardware_version": "1.0",
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"firmware_version": "1.0",
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"band_id": "EU_863_870"
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},
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"network_ids": {
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"net_id": "000013",
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"ns_id": "EC656E0000000181",
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"tenant_id": "ttn",
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"cluster_id": "eu1",
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"cluster_address": "eu1.cloud.thethings.network"
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}
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}
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}
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@ -2,6 +2,7 @@ package ttn
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import "log"
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import "fmt"
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import "encoding/json"
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import "udi/config"
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import "udi/handlers/handler"
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@ -11,6 +12,54 @@ type TTNHandler struct {
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id int
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}
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type uplinkMessage struct {
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EndDeviceIds struct {
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DeviceId string `json:"device_id"`
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ApplicationIds struct {
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ApplicationId string `json:"application_id"`
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} `json:"application_ids"`
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DevEui string `json:"dev_eui"`
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JoinEui string `json:"join_eui"`
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DevAddr string `json:"dev_addr"`
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} `json:"end_device_ids"`
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ReceivedAt string `json:"received_at"`
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UplinkMessage struct {
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FCnt int `json:"f_cnt"`
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FPort int `json:"f_port"`
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FrmPayload string `json:"frm_payload"`
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DecodedPayload map[string]interface{} `json:"decoded_payload"`
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RxMetadata []struct {
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GatewayIds struct {
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GatewayId string `json:"gateway_id"`
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Eui string `json:"eui"`
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} `json:"gateway_ids"`
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Time string `json:"time"`
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Rssi int `json:"rssi"`
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ChannelRssi int `json:"channel_rssi"`
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Snr float32 `json:"snr"`
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ChannelIndex int `json:"channel_index"`
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} `json:"rx_metadata"`
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ConsumedAirtime string `json:"consumed_airtime"`
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} `json:"uplink_message"`
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}
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type gatewayAttributes struct {
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GatewayId string `json:"gateway_id"`
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Rssi int `json:"rssi"`
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Snr float32 `json:"snr"`
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}
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type attributes struct {
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DeviceId string `json:"device_id"`
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ApplicationId string `json:"application_id"`
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FCnt int `json:"f_cnt"`
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FPort int `json:"f_port"`
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FrmPayload string `json:"frm_payload"`
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Gateways []gatewayAttributes `json:"gateways"`
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ConsumedAirtime string `json:"consumed_airtime"`
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}
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func NewTTNHandler(config config.HandlerConfigT) handler.Handler {
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t := &TTNHandler {
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@ -26,6 +75,27 @@ func (self *TTNHandler) GetId() string {
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func (self *TTNHandler) Handle(message handler.MessageT) {
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log.Printf("Handler TTN %d processing %s -> %s", self.id, message.Topic, message.Payload)
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var uplinkMessage uplinkMessage
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err := json.Unmarshal([]byte(message.Payload), &uplinkMessage)
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if err != nil {
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log.Printf("Error when unmarshaling message: %s", err)
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}
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log.Printf("Parsed message: %s", uplinkMessage)
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var attributes attributes
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attributes.DeviceId = uplinkMessage.EndDeviceIds.DeviceId
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attributes.ApplicationId = uplinkMessage.EndDeviceIds.ApplicationIds.ApplicationId
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attributes.FCnt = uplinkMessage.UplinkMessage.FCnt
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attributes.FPort = uplinkMessage.UplinkMessage.FPort
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attributes.FrmPayload = uplinkMessage.UplinkMessage.FrmPayload
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attributes.ConsumedAirtime = uplinkMessage.UplinkMessage.ConsumedAirtime
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for _, rxm := range uplinkMessage.UplinkMessage.RxMetadata {
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log.Printf("RXM: %s", rxm)
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g := gatewayAttributes { GatewayId: rxm.GatewayIds.GatewayId, Rssi: rxm.Rssi, Snr: rxm.Snr }
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attributes.Gateways = append(attributes.Gateways, g)
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}
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log.Printf("Attributes: %s", attributes)
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}
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