dhcp

type AcquiredFunc func(ctx context.Context, lost, acquired tcpip.AddressWithPrefix, cfg Config)

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

type Config struct {
	ServerAddress tcpip.Address     // address of the server
	SubnetMask    tcpip.AddressMask // client address subnet mask
	Router        []tcpip.Address   // client router addresses
	DNS           []tcpip.Address   // client DNS server addresses
	UpdatedAt     time.Time         // monotonic time at which lease was last updated
	LeaseLength   Seconds           // time until lease expires, relative to the value of UpdatedAt
	RenewTime     Seconds           // time until client enters RENEWING state, relative to the value of UpdatedAt
	RebindTime    Seconds           // time until client enters REBINDING state, relative to the value of UpdatedAt
	Declined      bool              // server sent a NAK
}

type Info struct {
	// NICID is the identifer to the associated NIC.
	NICID tcpip.NICID
	// LinkAddr is the link-address of the associated NIC.
	LinkAddr tcpip.LinkAddress
	// Acquisition is the duration within which a complete DHCP transaction must
	// complete before timing out.
	Acquisition time.Duration
	// Backoff is the duration for which the client must wait before starting a
	// new DHCP transaction after a failed transaction.
	Backoff time.Duration
	// Retransmission is the duration to wait before resending a DISCOVER or
	// REQUEST within an active transaction.
	Retransmission time.Duration
	// Acquired is the network address most recently acquired by the client.
	Acquired tcpip.AddressWithPrefix
	// State is the DHCP client state.
	State dhcpClientState
	// Assigned is the network address added by the client to its stack.
	Assigned tcpip.AddressWithPrefix
	// LeaseExpiration is the time at which the client's current lease will
	// expire.
	LeaseExpiration time.Time
	// RenewTime is the at which the client will transition to its renewing state.
	RenewTime time.Time
	// RebindTime is the time at which the client will transition to its rebinding
	// state.
	RebindTime time.Time
	// Config is the last DHCP configuration assigned to the client by the server.
	Config Config
}

type PacketDiscardStats struct {
	InvalidPort       *tcpip.IntegralStatCounterMap
	InvalidTransProto *tcpip.IntegralStatCounterMap
	InvalidPacketType *tcpip.IntegralStatCounterMap
}

type Seconds uint32

type Stats struct {
	PacketDiscardStats          PacketDiscardStats
	InitAcquire                 tcpip.StatCounter
	RenewAcquire                tcpip.StatCounter
	RebindAcquire               tcpip.StatCounter
	SendDiscovers               tcpip.StatCounter
	RecvOffers                  tcpip.StatCounter
	SendRequests                tcpip.StatCounter
	RecvAcks                    tcpip.StatCounter
	RecvNaks                    tcpip.StatCounter
	SendDiscoverErrors          tcpip.StatCounter
	SendRequestErrors           tcpip.StatCounter
	RecvOfferErrors             tcpip.StatCounter
	RecvOfferUnexpectedType     tcpip.StatCounter
	RecvOfferOptsDecodeErrors   tcpip.StatCounter
	RecvOfferTimeout            tcpip.StatCounter
	RecvOfferAcquisitionTimeout tcpip.StatCounter
	RecvOfferNoServerAddress    tcpip.StatCounter
	RecvAckErrors               tcpip.StatCounter
	RecvNakErrors               tcpip.StatCounter
	RecvAckOptsDecodeErrors     tcpip.StatCounter
	RecvAckAddrErrors           tcpip.StatCounter
	RecvAckUnexpectedType       tcpip.StatCounter
	RecvAckTimeout              tcpip.StatCounter
	RecvAckAcquisitionTimeout   tcpip.StatCounter
	ReacquireAfterNAK           tcpip.StatCounter
}