wifi

type AssocResp struct {
	ByteOrder binary.ByteOrder
	// MAC Header
	FC       uint16 // Frame Control - length 2
	Duration uint16 // length 2
	DA       net.HardwareAddr
	SA       net.HardwareAddr
	BSSID    net.HardwareAddr
	SeqCtlr  uint16 // len 2 -> Fragment number (4 bits) + Sequence number (12 bits)

	CapabilityInfo uint16
	Status         uint16
	AID            uint16

	SupportedRates         []byte
	ExtendedSupportedRates []byte
	ExtendedCapabilties    []byte
	BSSMaxIdlePeriod       []byte
}

type AssocResp2 struct {
	ByteOrder binary.ByteOrder
	// MAC Header
	FC             uint16 // Frame Control - length 2
	Duration       uint16 // length 2
	DA             net.HardwareAddr
	SA             net.HardwareAddr
	BSSID          net.HardwareAddr
	SeqCtlr        uint16 // len 2 -> Fragment number (4 bits) + Sequence number (12 bits)
	CapabilityInfo uint16
	Status         uint16
	AID            uint16

	SupportedRates         []byte
	ExtendedSupportedRates []byte
	HTCapabilties          []byte
	HTOperation            []byte
	Tag191                 []byte
	Tag192                 []byte
	ExtendedCapabilties    []byte
	Tag90                  []byte
	NinthElement           []byte // ID: 0xdd len: 24
}

type AuthResp struct {
	ByteOrder binary.ByteOrder
	// MAC Header
	FC       uint16 // Frame Control - length 2
	Duration uint16 // length 2
	DA       net.HardwareAddr
	SA       net.HardwareAddr
	BSSID    net.HardwareAddr
	SeqCtlr  uint16 // len 2 -> Fragment number (4 bits) + Sequence number (12 bits)

	Algorithm uint16
	Sequence  uint16
	Status    uint16
}

type BSS struct {
	// The service set identifier, or "network name" of the BSS.
	SSID string

	// BSSID: The BSS service set identifier.  In infrastructure mode, this is the
	// hardware address of the wireless access point that a client is associated
	// with.
	BSSID net.HardwareAddr

	// Frequency: The frequency used by the BSS, in MHz.
	Frequency int

	// BeaconInterval: The time interval between beacon transmissions for this BSS.
	BeaconInterval time.Duration

	// LastSeen: The time since the client last scanned this BSS's information.
	LastSeen time.Duration

	// Status: The status of the client within the BSS.
	Status BSSStatus

	// Load: The load element of the BSS (contains StationCount, ChannelUtilization and AvailableAdmissionCapacity).
	Load BSSLoad
}

type BSSLoad struct {
	// Version: Indicates the version of the BSS Load Element. Can be 1 or 2.
	Version int

	// StationCount: total number of STA currently associated with this BSS.
	StationCount uint16

	// ChannelUtilization: Percentage of time (linearly scaled 0 to 255) that the AP sensed the medium was busy. Calculated only for the primary channel.
	ChannelUtilization uint8

	// AvailableAdmissionCapacity: remaining amount of medium time availible via explicit admission controll in units of 32 us/s.
	AvailableAdmissionCapacity uint16
}

type BSSStatus int

type BeaconHead struct {
	ByteOrder binary.ByteOrder
	// MAC Header
	FC       uint16 // Frame Control - length 2
	Duration uint16 // length 2
	DA       net.HardwareAddr
	SA       net.HardwareAddr
	BSSID    net.HardwareAddr
	SeqCtlr  uint16 // len 2 bytes -> Fragment number (4 bits) + Sequence number (12 bits)
	// Frame Body
	// Fixed Fields
	Timestamp      []byte // len 8
	BeaconInterval uint16 // len 2
	CapabilityInfo uint16 // len 2
	// Information Elements (variable length)
	SSID           []byte
	SupportedRates []byte // variable
	DSParamSet     []byte
}

type BeaconTail struct {
	ERP                    []byte
	ExtendedSupportedRates []byte
	MDIE                   []byte //  MDIE (Mobility Domain Information Element)
	ExtendedCapabilties    []byte
}

type BeaconTail2 struct {
	ExtendedSupportedRates []byte // ID: 0x32 len: 2
	RSN                    []byte // ID: 0x30 len: 20 Robust security network
	SecondElement          []byte // ID: 0x3b len: 2
	HTCapabilties          []byte // ID: 0x2d len: 26
	HTOperation            []byte // ID: 0x3d len: 22
	ExtendedCapabilties    []byte
	Tag191                 []byte // ID: 0xbf len: 12
	Tag192                 []byte // ID: 0xc0 len: 5
	EighthElement          []byte // ID: 0xc3 len: 4
	NinthElement           []byte // ID: 0xdd len: 24
}

type Client struct {
	// contains filtered or unexported fields
}

type Interface struct {
	// The index of the interface.
	Index int

	// The name of the interface.
	Name string

	// The hardware address of the interface.
	HardwareAddr net.HardwareAddr

	// The physical device that this interface belongs to.
	PHY int

	// The virtual device number of this interface within a PHY.
	Device int

	// The operating mode of the interface.
	Type InterfaceType

	// The interface's wireless frequency in MHz.
	Frequency int

	// regulatory domain
	RegDom RegDom

	// power saver state 0x0 -> off 0x1 -> on
	PowerSaver []byte
}

type InterfaceType int

type RegDom struct {
	Alpha2    string
	DFSRegion byte
	Rules     []byte
}

type StationInfo struct {
	// The hardware address of the station.
	HardwareAddr net.HardwareAddr

	// The time since the station last connected.
	Connected time.Duration

	// The time since wireless activity last occurred.
	Inactive time.Duration

	// The number of bytes received by this station.
	ReceivedBytes int

	// The number of bytes transmitted by this station.
	TransmittedBytes int

	// The number of packets received by this station.
	ReceivedPackets int

	// The number of packets transmitted by this station.
	TransmittedPackets int

	// The current data receive bitrate, in bits/second.
	ReceiveBitrate int

	// The current data transmit bitrate, in bits/second.
	TransmitBitrate int

	// The signal strength of the last received PPDU, in dBm.
	Signal int

	// The average signal strength, in dBm.
	SignalAverage int

	// The number of times the station has had to retry while sending a packet.
	TransmitRetries int

	// The number of times a packet transmission failed.
	TransmitFailed int

	// The number of times a beacon loss was detected.
	BeaconLoss int
}