backend

package
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 Go to latest Published: Sep 23, 2021 License: MIT Imports: 20 Imported by: 0

Documentation

Overview

Package backend provides the LoRaWAN backend interfaces structs.

Index

Constants

View Source 
const (
	ProtocolVersion1_0 = "1.0"
)

Supported protocol versions.

Variables

View Source 
var (
	ErrAsyncTimeout = errors.New("async timeout")
)

Errors.

Functions

This section is empty.

Types

type Answer 

type Answer interface {
	// GetBasePayload returns the base payload of the answer.
	GetBasePayload() BasePayloadResult
}

Answer defines the payload answer interface.

type AppSKeyAnsPayload 

type AppSKeyAnsPayload struct {
	BasePayloadResult
	DevEUI       lorawan.EUI64 `json:"DevEUI"`
	AppSKey      *KeyEnvelope  `json:"AppSKey,omitempty"` // Mandatory when Result=Success
	SessionKeyID HEXBytes      `json:"SessionKeyID"`
}

AppSKeyAnsPayload defines the AppSKeyAns message payload.

func (AppSKeyAnsPayload) GetBasePayload 

func (p AppSKeyAnsPayload) GetBasePayload() BasePayloadResult

GetBasePayload returns the base payload.

type AppSKeyReqPayload 

type AppSKeyReqPayload struct {
	BasePayload
	DevEUI       lorawan.EUI64 `json:"DevEUI"`
	SessionKeyID HEXBytes      `json:"SessionKeyID"`
}

AppSKeyReqPayload defines the AppSKeyReq message payload.

func (AppSKeyReqPayload) GetBasePayload 

func (p AppSKeyReqPayload) GetBasePayload() BasePayload

GetBasePayload returns the base payload.

type BasePayload 

type BasePayload struct {
	ProtocolVersion string      `json:"ProtocolVersion"` // Version of backend specification. E.g., "1.0"
	SenderID        string      `json:"SenderID"`        // Hexadecimal representation in ASCII format in case of carrying NetID or JoinEUI, ASCII string in case of AS-ID
	ReceiverID      string      `json:"ReceiverID"`      // Hexadecimal representation in ASCII format in case of carrying NetID or JoinEUI, ASCII string in case of AS-ID
	TransactionID   uint32      `json:"TransactionID"`
	MessageType     MessageType `json:"MessageType"`
	SenderToken     HEXBytes    `json:"SenderToken,omitempty"`
	ReceiverToken   HEXBytes    `json:"ReceiverToken,omitempty"`
	VSExtension     VSExtension `json:"VSExtension,omitempty"`
}

BasePayload defines the base payload that is sent with every request.

type BasePayloadResult 

type BasePayloadResult struct {
	BasePayload
	Result Result `json:"Result"`
}

BasePayloadResult defines the base payload that is sent with every result.

func (BasePayloadResult) GetBasePayload 

func (p BasePayloadResult) GetBasePayload() BasePayloadResult

GetBasePayload returns the base payload.

type Client 

type Client interface {
	// GetSenderID returns the SenderID.
	GetSenderID() string
	// GetReceiverID returns the ReceiverID.
	GetReceiverID() string
	// IsAsync returns a bool indicating if the client is async.
	IsAsync() bool
	// GetRandomTransactionID returns a random transaction id.
	GetRandomTransactionID() uint32
	// JoinReq method.
	JoinReq(context.Context, JoinReqPayload) (JoinAnsPayload, error)
	// RejoinReq method.
	RejoinReq(context.Context, RejoinReqPayload) (RejoinAnsPayload, error)
	// PRStartReq method.
	PRStartReq(context.Context, PRStartReqPayload) (PRStartAnsPayload, error)
	// PRStopReq method.
	PRStopReq(context.Context, PRStopReqPayload) (PRStopAnsPayload, error)
	// XmitDataReq method.
	XmitDataReq(context.Context, XmitDataReqPayload) (XmitDataAnsPayload, error)
	// ProfileReq method.
	ProfileReq(context.Context, ProfileReqPayload) (ProfileAnsPayload, error)
	// HomeNSReq method.
	HomeNSReq(context.Context, HomeNSReqPayload) (HomeNSAnsPayload, error)
	// SendAnswer sends the async answer.
	SendAnswer(context.Context, Answer) error
	// HandleAnswer handles an async answer.
	HandleAnswer(context.Context, Answer) error
}

Client defines the backend client interface.

func NewClient 

func NewClient(config ClientConfig) (Client, error)

NewClient creates a new Client.

type ClientConfig 

type ClientConfig struct {
	SenderID   string
	ReceiverID string
	Server     string
	CACert     string
	TLSCert    string
	TLSKey     string
	// Authorization contains the value for the Authorization header. This may
	// include a prefix, like Bearer, Key or Basic.
	Authorization string

	// RedisClient holds the optional Redis database client. When set the client
	// will use the aysnc protocol scheme. In this case the client will wait
	// AsyncTimeout before returning a timeout error.
	RedisClient redis.UniversalClient

	// AsyncTimeout defines the async timeout. This must be set when RedisClient
	// is set.
	AsyncTimeout time.Duration

	// Logger holds a Logger instance.
	Logger *log.Logger
}

ClientConfig holds the backend client configuration.

type DLMetaData 

type DLMetaData struct {
	DevEUI         *lorawan.EUI64  `json:"DevEUI,omitempty"`
	FPort          *uint8          `json:"FPort,omitempty"`
	FCntDown       *uint32         `json:"FCntDown,omitempty"`
	Confirmed      bool            `json:"Confirmed,omitempty"`
	DLFreq1        *float64        `json:"DLFreq1,omitempty"` // TODO: In MHz? At least DLFreq1 or DLFreq2 SHALL be present.
	DLFreq2        *float64        `json:"DLFreq2,omitempty"` // TODO: In Mhz? At least DLFreq1 or DLFreq2 SHALL be present.
	RXDelay1       *int            `json:"RXDelay1,omitempty"`
	ClassMode      *string         `json:"ClassMode,omitempty"` // Only "A" and "C" are supported
	DataRate1      *int            `json:"DataRate1,omitempty"` // Present only if DLFreq1 is present
	DataRate2      *int            `json:"DataRate2,omitempty"` // Present only if DLFreq2 is present
	FNSULToken     HEXBytes        `json:"FNSULToken,omitempty"`
	GWInfo         []GWInfoElement `json:"GWInfo"`
	HiPriorityFlag bool            `json:"HiPriorityFlag,omitempty"`
}

DLMetaData defines the downlink metadata.

type DeviceProfile 

type DeviceProfile struct {
	DeviceProfileID    string      `json:"DeviceProfileID" db:"device_profile_id"`
	SupportsClassB     bool        `json:"SupportsClassB" db:"supports_class_b"`
	ClassBTimeout      int         `json:"ClassBTimeout" db:"class_b_timeout"` // Unit: seconds
	PingSlotPeriod     int         `json:"PingSlotPeriod" db:"ping_slot_period"`
	PingSlotDR         int         `json:"PingSLotDR" db:"ping_slot_dr"`
	PingSlotFreq       Frequency   `json:"PingSlotFreq" db:"ping_slot_freq"` // TODO: in MHz?
	SupportsClassC     bool        `json:"SupportsClassC" db:"supports_class_c"`
	ClassCTimeout      int         `json:"ClassCTimeout" db:"class_c_timeout"`         // Unit: seconds
	MACVersion         string      `json:"MACVersion" db:"mac_version"`                // Example: "1.0.2" [LW102]
	RegParamsRevision  string      `json:"RegParamsRevision" db:"reg_params_revision"` // Example: "B" [RP102B]
	RXDelay1           int         `json:"RXDelay1" db:"rx_delay_1"`
	RXDROffset1        int         `json:"RXDROffset1" db:"rx_dr_offset_1"`
	RXDataRate2        int         `json:"RXDataRate2" db:"rx_data_rate_2"`              // Unit: bits-per-second
	RXFreq2            Frequency   `json:"RXFreq2" db:"rx_freq_2"`                       // Value of the frequency, e.g., 868.10
	FactoryPresetFreqs []Frequency `json:"FactoryPresetFreqs" db:"factory_preset_freqs"` // TODO: In MHz?
	MaxEIRP            int         `json:"MaxEIRP" db:"max_eirp"`                        // In dBm
	MaxDutyCycle       Percentage  `json:"MaxDutyCycle" db:"max_duty_cycle"`             // Example: 0.10 indicates 10%
	SupportsJoin       bool        `json:"SupportsJoin" db:"supports_join"`
	RFRegion           string      `json:"RFRegion" db:"rf_region"`
	Supports32bitFCnt  bool        `json:"Supports32bitFCnt" db:"supports_32bit_fcnt"`
}

DeviceProfile includes End-Device capabilities and boot parameters that are needed by the NS for setting up the LoRaWAN radio access service. These information elements SHALL be provided by the End-Device manufacturer.

type Frequency 

type Frequency int

Frequency defines the frequency type (in Hz).

func (Frequency) MarshalJSON 

func (f Frequency) MarshalJSON() ([]byte, error)

MarshalJSON implements the json.Marshaler interface. This returns the frequency value in MHz (e.g. 868.1) to be compatible with the LoRaWAN Backend Interfaces specification.

func (*Frequency) UnmarshalJSON 

func (f *Frequency) UnmarshalJSON(str []byte) error

UnmarshalJSON implements the json.Unmarshaler interface. This parses a frequency in MHz (float type) back to Hz (int).

type GWInfoElement 

type GWInfoElement struct {
	ID           HEXBytes `json:"ID,omitempty"`           // TODO: shouldn't this be the gateway MAC (64 bit)?
	FineRecvTime *int     `json:"FineRecvTime,omitempty"` // Nanosec within RecvTime
	RFRegion     string   `json:"RFRegion,omitempty"`
	RSSI         *int     `json:"RSSI,omitempty"` // Signed integer, unit: dBm
	SNR          *float64 `json:"SNR,omitempty"`  // Unit: dB
	Lat          *float64 `json:"Lat,omitempty"`
	Lon          *float64 `json:"Lon,omitempty"`
	ULToken      HEXBytes `json:"ULToken,omitempty"`
	DLAllowed    bool     `json:"DLAllowed,omitempty"`
}

GWInfoElement defines the gateway info element.

type HEXBytes 

type HEXBytes []byte

HEXBytes defines a type which represents bytes as HEX when marshaled to text.

func (HEXBytes) MarshalText 

func (hb HEXBytes) MarshalText() ([]byte, error)

MarshalText implements encoding.TextMarshaler.

func (HEXBytes) String 

func (hb HEXBytes) String() string

String implements fmt.Stringer.

func (*HEXBytes) UnmarshalText 

func (hb *HEXBytes) UnmarshalText(text []byte) error

UnmarshalText implements encoding.TextUnmarshaler.

type HRStartAnsPayload 

type HRStartAnsPayload struct {
	BasePayloadResult
	PHYPayload             HEXBytes        `json:"PHYPayload,omitempty"`             // Mandatory when Result=Success
	Lifetime               *int            `json:"Lifetime,omitempty"`               // Mandatory when Result=Success, in seconds
	SNwkSIntKey            *KeyEnvelope    `json:"SNwkSIntKey,omitempty"`            // Mandatory when Result=Success
	FNwkSIntKey            *KeyEnvelope    `json:"FNwkSIntKey,omitempty"`            // Mandatory when Result=Success
	NwkSEncKey             *KeyEnvelope    `json:"NwkSEncKey,omitempty"`             // Mandatory when Result=Success
	NwkSKey                *KeyEnvelope    `json:"NwkSKey,omitempty"`                // Mandatory when Result=Success (LoRaWAN 1.0.x)
	DeviceProfile          *DeviceProfile  `json:"DeviceProfile,omitempty"`          // Optional, when Result=Failure
	ServiceProfile         *ServiceProfile `json:"ServiceProfile,omitempty"`         // Mandatory when Result=Success
	DLMetaData             *DLMetaData     `json:"DLMetaData,omitempty"`             // Mandatory when Result=Success
	DeviceProfileTimestamp *ISO8601Time    `json:"DeviceProfileTimestamp,omitempty"` // Optional, when Result=Failure, timestamp of last DeviceProfile change
}

HRStartAnsPayload defines the HRStartAns message payload.

func (HRStartAnsPayload) GetBasePayload 

func (p HRStartAnsPayload) GetBasePayload() BasePayloadResult

GetBasePayload returns the base payload.

type HRStartReqPayload 

type HRStartReqPayload struct {
	BasePayload
	MACVersion             string             `json:"MACVersion"` // e.g. "1.0.2"
	PHYPayload             HEXBytes           `json:"PHYPayload"`
	DevAddr                lorawan.DevAddr    `json:"DevAddr"`
	DeviceProfile          DeviceProfile      `json:"DeviceProfile"`
	ULMetaData             ULMetaData         `json:"ULMetaData"`
	DLSettings             lorawan.DLSettings `json:"DLSettings"`
	RxDelay                int                `json:"RxDelay"`
	CFList                 HEXBytes           `json:"CFList,omitempty"`       // Optional
	DeviceProfileTimestamp ISO8601Time        `json:"DeviceProfileTimestamp"` // Timestamp of last DeviceProfile change
}

HRStartReqPayload defines the HRStartReq message payload.

func (HRStartReqPayload) GetBasePayload 

func (p HRStartReqPayload) GetBasePayload() BasePayload

GetBasePayload returns the base payload.

type HRStopAnsPayload 

type HRStopAnsPayload struct {
	BasePayloadResult
}

HRStopAnsPayload defines the HRStopAns message payload.

func (HRStopAnsPayload) GetBasePayload 

func (p HRStopAnsPayload) GetBasePayload() BasePayloadResult

GetBasePayload returns the base payload.

type HRStopReqPayload 

type HRStopReqPayload struct {
	BasePayload
	DevEUI lorawan.EUI64 `json:"DevEUI"`
}

HRStopReqPayload defines the HRStopReq message payload.

func (HRStopReqPayload) GetBasePayload 

func (p HRStopReqPayload) GetBasePayload() BasePayload

GetBasePayload returns the base payload.

type HomeNSAnsPayload 

type HomeNSAnsPayload struct {
	BasePayloadResult
	HNetID lorawan.NetID `json:"HNetID"`
}

HomeNSAnsPayload defines the HomeNSAns message payload.

func (HomeNSAnsPayload) GetBasePayload 

func (p HomeNSAnsPayload) GetBasePayload() BasePayloadResult

GetBasePayload returns the base payload.

type HomeNSReqPayload 

type HomeNSReqPayload struct {
	BasePayload
	DevEUI lorawan.EUI64 `json:"DevEUI"`
}

HomeNSReqPayload defines the HomeNSReq message payload.

func (HomeNSReqPayload) GetBasePayload 

func (p HomeNSReqPayload) GetBasePayload() BasePayload

GetBasePayload returns the base payload.

type ISO8601Time 

type ISO8601Time time.Time

ISO8601Time defines an ISO 8601 encoded timestamp.

func (ISO8601Time) MarshalText 

func (t ISO8601Time) MarshalText() ([]byte, error)

MarshalText implements encoding.TextMarshaler.

func (*ISO8601Time) UnmarshalText 

func (t *ISO8601Time) UnmarshalText(text []byte) error

UnmarshalText implements encoding.TextUnmarshaler.

type JoinAnsPayload 

type JoinAnsPayload struct {
	BasePayloadResult
	PHYPayload   HEXBytes     `json:"PHYPayload,omitempty"`   // Mandatory when Result=Success
	Lifetime     *int         `json:"Lifetime,omitempty"`     // Mandatory when Result=Success, in seconds
	SNwkSIntKey  *KeyEnvelope `json:"SNwkSIntKey,omitempty"`  // Mandatory when Result=Success
	FNwkSIntKey  *KeyEnvelope `json:"FNwkSIntKey,omitempty"`  // Mandatory when Result=Success
	NwkSEncKey   *KeyEnvelope `json:"NwkSEncKey,omitempty"`   // Mandatory when Result=Success
	NwkSKey      *KeyEnvelope `json:"NwkSKey,omitempty"`      // Mandatory when Result=Success (LoRaWAN 1.0.x)
	AppSKey      *KeyEnvelope `json:"AppSKey,omitempty"`      // Mandatory when Result=Success and not SessionKeyID
	SessionKeyID HEXBytes     `json:"SessionKeyID,omitempty"` // Mandatory when Result=Success and not AppSKey
}

JoinAnsPayload defines the JoinAns message payload.

func (JoinAnsPayload) GetBasePayload 

func (p JoinAnsPayload) GetBasePayload() BasePayloadResult

GetBasePayload returns the base payload.

type JoinReqPayload 

type JoinReqPayload struct {
	BasePayload
	MACVersion string             `json:"MACVersion"` // e.g. "1.0.2"
	PHYPayload HEXBytes           `json:"PHYPayload"`
	DevEUI     lorawan.EUI64      `json:"DevEUI"`
	DevAddr    lorawan.DevAddr    `json:"DevAddr"`
	DLSettings lorawan.DLSettings `json:"DLSettings"`
	RxDelay    int                `json:"RxDelay"`
	CFList     HEXBytes           `json:"CFList,omitempty"` // Optional
}

JoinReqPayload defines the JoinReq message payload.

func (JoinReqPayload) GetBasePayload 

func (p JoinReqPayload) GetBasePayload() BasePayload

GetBasePayload returns the base payload.

type KeyEnvelope 

type KeyEnvelope struct {
	KEKLabel string   `json:"KEKLabel"`
	AESKey   HEXBytes `json:"AESKey"`
}

KeyEnvelope defines the key envelope object.

func NewKeyEnvelope 

func NewKeyEnvelope(kekLabel string, kek []byte, key lorawan.AES128Key) (*KeyEnvelope, error)

NewKeyEnvelope creates a new KeyEnvelope.

func (KeyEnvelope) Unwrap 

func (k KeyEnvelope) Unwrap(kek []byte) (lorawan.AES128Key, error)

Unwrap unwraps the AESKey with the given Key Encryption Key.

type MessageType 

type MessageType string

MessageType defines the message-type type. 

const (
	JoinReq     MessageType = "JoinReq"
	JoinAns     MessageType = "JoinAns"
	RejoinReq   MessageType = "RejoinReq"
	RejoinAns   MessageType = "RejoinAns"
	AppSKeyReq  MessageType = "AppSKeyReq"
	AppSKeyAns  MessageType = "AppSKeyAns"
	PRStartReq  MessageType = "PRStartReq"
	PRStartAns  MessageType = "PRStartAns"
	PRStopReq   MessageType = "PRStopReq"
	PRStopAns   MessageType = "PRStopAns"
	HRStartReq  MessageType = "HRStartReq"
	HRStartAns  MessageType = "HRStartAns"
	HRStopReq   MessageType = "HRStopReq"
	HRStopAns   MessageType = "HRStopAns"
	HomeNSReq   MessageType = "HomeNSReq"
	HomeNSAns   MessageType = "HomeNSAns"
	ProfileReq  MessageType = "ProfileReq"
	ProfileAns  MessageType = "ProfileAns"
	XmitDataReq MessageType = "XmitDataReq"
	XmitDataAns MessageType = "XmitDataAns"
)

Supported message types.

type NetworkActivationRecord 

type NetworkActivationRecord struct {
	NetID              lorawan.NetID `db:"net_id"`               // NetID of the roaming partner NS
	ServiceProfileID   string        `db:"service_profile_id"`   // Service Profile ID
	IndividualRecord   bool          `db:"individual_record"`    // Indicates if this is an individual (de-)activation record (as opposed to cumulative record of End-Devices that are active throughout the month)
	TotalActiveDevices int           `db:"total_active_devices"` // Number of End-Devices that have been active throughout the month. Included if this is a cumulative record.
	DevEUI             lorawan.EUI64 `db:"dev_eui"`              // DevEUI of the End-Device that has performed the (de-)activation. Included if this is an IndividualRecord for a (de-)activation event.
	ActivationTime     time.Time     `db:"activation_time"`      // Date/time of the activation. Included if this is an IndividualRecord for an activation event.
	DeactivationTime   time.Time     `db:"deactivation_time"`    // Date/time of the deactivation. Included if this is an IndividualRecord for a deactivation event.
}

NetworkActivationRecord is used for keeping track of the End-Devices performing Activation away from Home. When the Activation away from Home Procedure takes place, then the NS SHALL generate a monthly Network Activation Record for each ServiceProfileID of another NS that has at least one End-Device active throughout the month, and dedicated Network Activation Records for each activation and deactivation of an End-Device from another NS.

type NetworkTrafficRecord 

type NetworkTrafficRecord struct {
	NetID                    lorawan.NetID `db:"net_id"`                       // NetID of the roaming partner NS
	ServiceProfileID         string        `db:"service_profile_id"`           // Service Profile ID
	RoamingType              RoamingType   `db:"roaming_type"`                 // Passive Roaming or Handover Roaming
	TotalULPackets           int           `db:"total_ul_packets"`             // Number of uplink packets
	TotalDLPackets           int           `db:"total_dl_packets"`             // Number of downlink packets
	TotalOutProfileULPackets int           `db:"total_out_profile_ul_packets"` // Number of uplink packets that exceeded ULRate but forwarded anyways per ULRatePolicy
	TotalOutProfileDLPackets int           `db:"total_out_profile_dl_packets"` // Number of downlink packets that exceeded DLRate but forwarded anyways per DLRatePolicy
	TotalULBytes             int           `db:"total_ul_bytes"`               // Total amount of uplink bytes
	TotalDLBytes             int           `db:"total_dl_bytes"`               // Total amount of downlink bytes
	TotalOutProfileULBytes   int           `db:"total_out_profile_ul_bytes"`   // Total amount of uplink bytes that falls outside the Service Profile
	TotalOutProfileDLBytes   int           `db:"total_out_profile_dl_bytes"`   // Total amount of downlink bytes that falls outside the Service Profile
}

NetworkTrafficRecord is used for keeping track of the amount of traffic served for roaming End-Devices. The NS that allows roaming SHALL generate a monthly Network Traffic Record for each roaming type (Passive/Handover Roaming) under each ServiceProfileID of another NS that has at least one End-Device roaming into its network.

Packet and payload counters are only based on the user-generated traffic. Payload counters are based on the size of the FRMPayload field.

type PRStartAnsPayload 

type PRStartAnsPayload struct {
	BasePayloadResult
	PHYPayload     HEXBytes         `json:"PHYPayload,omitempty"`     // Optional when Result=Success
	DevEUI         *lorawan.EUI64   `json:"DevEUI,omitempty"`         // Optional when Result=Success
	Lifetime       *int             `json:"Lifetime,omitempty"`       // Mandatory when Result=Success, in seconds
	FNwkSIntKey    *KeyEnvelope     `json:"FNwkSIntKey,omitempty"`    // Optional when Result=Success and not NwkSKey
	NwkSKey        *KeyEnvelope     `json:"NwkSKey,omitempty"`        // Optional when Result=Success and not FNwkSIntKey
	FCntUp         *uint32          `json:"FCntUp,omitempty"`         // Optional when Result=Success
	ServiceProfile *ServiceProfile  `json:"ServiceProfile,omitempty"` // Optional when Result=Success
	DLMetaData     *DLMetaData      `json:"DLMetaData,omitempty"`     // Optional when Result=Success
	DevAddr        *lorawan.DevAddr `json:"DevAddr,omitempty"`        // Optional when Result=Success (not specified in Backend Specs but needed for OTAA)
}

PRStartAnsPayload defines the PRStartAns message payload.

func (PRStartAnsPayload) GetBasePayload 

func (p PRStartAnsPayload) GetBasePayload() BasePayloadResult

GetBasePayload returns the base payload.

type PRStartReqPayload 

type PRStartReqPayload struct {
	BasePayload
	PHYPayload HEXBytes   `json:"PHYPayload,omitempty"`
	ULMetaData ULMetaData `json:"ULMetaData"`
}

PRStartReqPayload defines the PRStartReq message payload.

func (PRStartReqPayload) GetBasePayload 

func (p PRStartReqPayload) GetBasePayload() BasePayload

GetBasePayload returns the base payload.

type PRStopAnsPayload 

type PRStopAnsPayload struct {
	BasePayloadResult
}

PRStopAnsPayload defines the PRStopAns message payload.

func (PRStopAnsPayload) GetBasePayload 

func (p PRStopAnsPayload) GetBasePayload() BasePayloadResult

GetBasePayload returns the base payload.

type PRStopReqPayload 

type PRStopReqPayload struct {
	BasePayload
	DevEUI   lorawan.EUI64 `json:"DevEUI"`
	Lifetime *int          `json:"Lifetime,omitempty"` // Optional, in seconds
}

PRStopReqPayload defines the PRStopReq message payload.

func (PRStopReqPayload) GetBasePayload 

func (p PRStopReqPayload) GetBasePayload() BasePayload

GetBasePayload returns the base payload.

type Percentage 

type Percentage int

Percentage defines the percentage type as an int (1 = 1%, 100 = 100%).

func (Percentage) MarshalJSON 

func (p Percentage) MarshalJSON() ([]byte, error)

MarshalJSON implements the json.Marshaler interface. This returns the percentage as a float (0.1 for 10%) to be compatible with the LoRaWAN Backend Interfaces specification.

func (*Percentage) UnmarshalJSON 

func (p *Percentage) UnmarshalJSON(str []byte) error

UnmarshalJSON implements the json.Unmarshaler interface. This parses a percentage presented as 0.1 (float) back to 10 (int).

type ProfileAnsPayload 

type ProfileAnsPayload struct {
	BasePayloadResult
	DeviceProfile          *DeviceProfile `json:"DeviceProfile,omitempty"`          // Mandatory when Result=Success
	DeviceProfileTimestamp *ISO8601Time   `json:"DeviceProfileTimestamp,omitempty"` // Mandatory when Result=Success. Timestamp of last DeviceProfile change.
	RoamingActivationType  *RoamingType   `json:"RoamingActivationType"`            // Mandatory when Result=Success.
}

ProfileAnsPayload defines the ProfileAns message payload.

func (ProfileAnsPayload) GetBasePayload 

func (p ProfileAnsPayload) GetBasePayload() BasePayloadResult

GetBasePayload returns the base payload.

type ProfileReqPayload 

type ProfileReqPayload struct {
	BasePayload
	DevEUI lorawan.EUI64 `json:"DevEUI"`
}

ProfileReqPayload defines the ProfileReq message payload.

func (ProfileReqPayload) GetBasePayload 

func (p ProfileReqPayload) GetBasePayload() BasePayload

GetBasePayload returns the base payload.

type RatePolicy 

type RatePolicy string

RatePolicy defines the RatePolicy type. 

const (
	Drop RatePolicy = "Drop"
	Mark RatePolicy = "Mark"
)

Available rate policies.

type RejoinAnsPayload 

type RejoinAnsPayload struct {
	BasePayloadResult
	PHYPayload   HEXBytes     `json:"PHYPayload,omitempty"`   // Mandatory when Result=Success
	Lifetime     *int         `json:"Lifetime,omitempty"`     // Mandatory when Result=Success, in seconds
	SNwkSIntKey  *KeyEnvelope `json:"SNwkSIntKey,omitempty"`  // Mandatory when Result=Success
	FNwkSIntKey  *KeyEnvelope `json:"FNwkSIntKey,omitempty"`  // Mandatory when Result=Success
	NwkSEncKey   *KeyEnvelope `json:"NwkSEncKey,omitempty"`   // Mandatory when Result=Success
	NwkSKey      *KeyEnvelope `json:"NwkSKey,omitempty"`      // Mandatory when Result=Success (LoRaWAN 1.0.x)
	AppSKey      *KeyEnvelope `json:"AppSKey,omitempty"`      // Mandatory when Result=Success and not SessionKeyID
	SessionKeyID HEXBytes     `json:"SessionKeyID,omitempty"` // Mandatory when Result=Success and not AppSKey
}

RejoinAnsPayload defines the RejoinAns message payload.

func (RejoinAnsPayload) GetBasePayload 

func (p RejoinAnsPayload) GetBasePayload() BasePayloadResult

GetBasePayload returns the base payload.

type RejoinReqPayload 

type RejoinReqPayload struct {
	BasePayload
	MACVersion string             `json:"MACVersion"` // e.g. "1.0.2"
	PHYPayload HEXBytes           `json:"PHYPayload"`
	DevEUI     lorawan.EUI64      `json:"DevEUI"`
	DevAddr    lorawan.DevAddr    `json:"DevAddr"`
	DLSettings lorawan.DLSettings `json:"DLSettings"`
	RxDelay    int                `json:"RxDelay"`
	CFList     HEXBytes           `json:"CFList,omitempty"` // Optional
}

RejoinReqPayload defines the RejoinReq message payload.

func (RejoinReqPayload) GetBasePayload 

func (p RejoinReqPayload) GetBasePayload() BasePayload

GetBasePayload returns the base payload.

type Request 

type Request interface {
	// GetBasePayload returns the base payload of the request.
	GetBasePayload() BasePayload
}

Request defines the payload request interface.

type Result 

type Result struct {
	ResultCode  ResultCode `json:"ResultCode"`
	Description string     `json:"Description"` // Detailed information related to the ResultCode (optional).
}

Result defines the result object.

type ResultCode 

type ResultCode string

ResultCode defines the result-code type. 

const (
	Success                ResultCode = "Success"                // Success, i.e., request was granted
	MICFailed              ResultCode = "MICFailed"              // MIC verification has failed
	JoinReqFailed          ResultCode = "JoinReqFailed"          // JS processing of the JoinReq has failed
	NoRoamingAgreement     ResultCode = "NoRoamingAgreement"     // There is no roaming agreement between the operators
	DevRoamingDisallowed   ResultCode = "DevRoamingDisallowed"   // End-Device is not allowed to roam
	RoamingActDisallowed   ResultCode = "RoamingActDisallowedA"  // End-Device is not allowed to perform activation while roaming
	ActivationDisallowed   ResultCode = "ActivationDisallowed"   // End-Device is not allowed to perform activation
	UnknownDevEUI          ResultCode = "UnknownDevEUI"          // End-Device with a matching DevEUI is not found
	UnknownDevAddr         ResultCode = "UnknownDevAddr"         // End-Device with a matching DevAddr is not found
	UnknownSender          ResultCode = "UnknownSender"          // SenderID is unknown
	UnknownReceiver        ResultCode = "UnkownReceiver"         // ReceiverID is unknown
	Deferred               ResultCode = "Deferred"               // Passive Roaming is not allowed for a period of time
	XmitFailed             ResultCode = "XmitFailed"             // fNS failed to transmit DL packet
	InvalidFPort           ResultCode = "InvalidFPort"           // Invalid FPort for DL (e.g., FPort=0)
	InvalidProtocolVersion ResultCode = "InvalidProtocolVersion" // ProtocolVersion is not supported
	StaleDeviceProfile     ResultCode = "StaleDeviceProfile"     // Device Profile is stale
	MalformedRequest       ResultCode = "MalformedRequest"       // JSON parsing failed (missing object or incorrect content)
	FrameSizeError         ResultCode = "FrameSizeError"         // Wrong size of PHYPayload or FRMPayload
	Other                  ResultCode = "Other"                  // Used for encoding error cases that are not standardized yet
)

Supported Result values

type RoamingType 

type RoamingType string

RoamingType defines the RoamingType type. 

const (
	Passive  RoamingType = "Passive"
	Handover RoamingType = "Handover"
)

Available roaming activation types.

type RoutingProfile 

type RoutingProfile struct {
	RoutingProfileID string `json:"RoutingProfileID" db:"routing_profile_id"`
	ASID             string `json:"AS-ID" db:"as_id"` // Value can be IP address, DNS name, etc.
}

RoutingProfile includes information that are needed by the NS for setting up data-plane with the AS.

type ServiceProfile 

type ServiceProfile struct {
	ServiceProfileID       string     `json:"ServiceProfile" db:"service_profile_id"`
	ULRate                 int        `json:"ULRate" db:"ul_rate"`
	ULBucketSize           int        `json:"ULBucketSize" db:"ul_bucket_size"`
	ULRatePolicy           RatePolicy `json:"ULRatePolicy" db:"ul_rate_policy"`
	DLRate                 int        `json:"DLRate" db:"dl_rate"`
	DLBucketSize           int        `json:"DLBucketSize" db:"dl_bucket_size"`
	DLRatePolicy           RatePolicy `json:"DLRatePolicy" db:"dl_rate_policy"`
	AddGWMetadata          bool       `json:"AddGWMetadata" db:"add_gw_metadata"`
	DevStatusReqFreq       int        `json:"DevStatusReqFreq" db:"dev_status_req_freq"`            // Unit: requests-per-day
	ReportDevStatusBattery bool       `json:"ReportDevStatusBatery" db:"report_dev_status_battery"` // TODO: there is a typo in the spec!
	ReportDevStatusMargin  bool       `json:"ReportDevStatusMargin" db:"report_dev_status_margin"`
	DRMin                  int        `json:"DRMin" db:"dr_min"`
	DRMax                  int        `json:"DRMax" db:"dr_max"`
	ChannelMask            HEXBytes   `json:"ChannelMask" db:"channel_mask"`
	PRAllowed              bool       `json:"PRAllowed" db:"pr_allowed"`
	HRAllowed              bool       `json:"HRAllowed" db:"hr_allowed"`
	RAAllowed              bool       `json:"RAAAllowed" db:"ra_allowed"`
	NwkGeoLoc              bool       `json:"NwkGeoLoc" db:"nwk_geo_loc"`
	TargetPER              Percentage `json:"TargetPER" db:"target_per"` // Example: 0.10 indicates 10%
	MinGWDiversity         int        `json:"MinGWDiversity" db:"min_gw_diversity"`
}

ServiceProfile includes service parameters that are needed by the NS for setting up the LoRa radio access service and interfacing with the AS.

type ULMetaData 

type ULMetaData struct {
	DevEUI     *lorawan.EUI64   `json:"DevEUI,omitempty"`
	DevAddr    *lorawan.DevAddr `json:"DevAddr,omitempty"`
	FPort      *uint8           `json:"FPort,omitempty"`
	FCntDown   *uint32          `json:"FCntDown,omitempty"`
	FCntUp     *uint32          `json:"FCntUp,omitempty"`
	Confirmed  bool             `json:"Confirmed,omitempty"`
	DataRate   *int             `json:"DataRate,omitempty"` // See data rate tables in Regional Parameters document
	ULFreq     *float64         `json:"ULFreq,omitempty"`   // Floating point (MHz)
	Margin     *int             `json:"Margin,omitempty"`   // Integer value reported by the end-device in DevStatusAns
	Battery    *int             `json:"Battery,omitempty"`  // Integer value reported by the end-device in DevStatusAns
	FNSULToken HEXBytes         `json:"FNSULToken,omitempty"`
	RecvTime   ISO8601Time      `json:"RecvTime"`
	RFRegion   string           `json:"RFRegion,omitempty"`
	GWCnt      *int             `json:"GWCnt,omitempty"`
	GWInfo     []GWInfoElement  `json:"GWInfo,omitempty"`
}

ULMetaData defines the uplink metadata.

type VSExtension 

type VSExtension struct {
	VendorID HEXBytes        `json:"VendorID,omitempty"` // OUI of the vendor
	Object   json.RawMessage `json:"Object,omitempty"`   // The nature of the object is not defined
}

VSExtension defines vendor specific data.

type XmitDataAnsPayload 

type XmitDataAnsPayload struct {
	BasePayloadResult
	DLFreq1 *float64 `json:"DLFreq1,omitempty"` // Optional, when Result=Success, TODO: In MHz?
	DLFreq2 *float64 `json:"DLFreq2,omitempty"` // Optional, when Result=Success, TODO: In Mhz?
}

XmitDataAnsPayload defines the XmitDataAns message payload.

func (XmitDataAnsPayload) GetBasePayload 

func (p XmitDataAnsPayload) GetBasePayload() BasePayloadResult

GetBasePayload returns the base payload.

type XmitDataReqPayload 

type XmitDataReqPayload struct {
	BasePayload
	PHYPayload HEXBytes    `json:"PHYPayload,omitempty"` // Either PHYPayload or FRMPayload should be used
	FRMPayload HEXBytes    `json:"FRMPayload,omitempty"` // Either PHYPayload or FRMPayload should be used
	ULMetaData *ULMetaData `json:"ULMetaData,omitempty"` // Either ULMetaData or DLMetaData must be used
	DLMetaData *DLMetaData `json:"DLMetaData,omitempty"` // Either ULMetaData or DLMetaData must be used
}

XmitDataReqPayload defines the XmitDataReq message payload.

func (XmitDataReqPayload) GetBasePayload 

func (p XmitDataReqPayload) GetBasePayload() BasePayload

GetBasePayload returns the base payload.

Source Files

View all Source files

Directories

Path Synopsis
Package joinserver provides a http.Handler interface which implements the join-server API as speficied by the LoRaWAN Backend Interfaces.
 Package joinserver provides a http.Handler interface which implements the join-server API as speficied by the LoRaWAN Backend Interfaces.

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