statistic

type Authenticator interface {
	io.Closer
	AuthUser(hash string) (valid bool, user User)
	AddUser(hash string) error
	DelUser(hash string) error
	SetUserTraffic(hash string, sent, recv uint64) error
	SetUserSpeedLimit(hash string, send, recv int) error
	SetUserIPLimit(hash string, limit int) error
	ListUsers() []User
}

type Creator func(ctx context.Context) (Authenticator, error)

type IPRecorder interface {
	AddIP(string) bool
	DelIP(string) bool
	GetIP() int
}

type Metadata interface {
	GetHash() string
	GetKeyShare() string
	GetTraffic() (sent, recv uint64)
	GetSpeedLimit() (sent, recv int)
	GetIPLimit() int
}

type Persistencer interface {
	SaveUser(Metadata) error
	LoadUser(hash string) (Metadata, error)
	DeleteUser(hash string) error
	ListUser(func(hash string, u Metadata) bool) error
	UpdateUserTraffic(hash string, sent, recv uint64) error
}

type TrafficMeter interface {
	io.Closer
	AddSentTraffic(sent int)
	AddRecvTraffic(recv int)
	ResetTraffic() (sent, recv uint64)
	GetSpeed() (sent, recv uint64)
}

type User interface {
	Metadata
	TrafficMeter
	IPRecorder
}