module

type AddressUpgrade func(ctx context.Context, auto bool, hostnames []string, actualLocalPort int) ([]string, error)

type Component interface {
	GetInfo() ComponentInfo
	//Handle handles incoming requests
	Handle(ctx context.Context, output Handler, port string, message interface{}) error
	//Ports gets list of ports
	Ports() []NodePort
	//Instance creates new instance with default settings
	Instance() Component
}

type ComponentInfo struct {
	Name        string
	Description string
	Info        string
	Tags        []string
}

type HTTPService interface {
	HTTPService(getter ListenAddressGetter)
}

type Handler func(port string, data interface{}) error

type Info struct {
	Name      string
	VersionID string // if module's build is registered
	Version   string
	Addr      string //listed address
}

type ListenAddressGetter func() (suggestedPort int, upgrade AddressUpgrade)

type NodePort struct {
	// if that's a source port, source means it accepts the data, the source of incoming data
	Source bool
	// this port's DTO will be shown as a control panel
	Control bool
	// port with Settings equals true will be shown in configuration tab
	Settings bool
	// which side of the node will have this port
	Position Position
	// Name lower case programmatic name
	Name string
	// Human readable name (capital cased)
	Label string
	// DTO object
	Configuration interface{}
}

type Position int

type StatefulComponent interface {
	GetState() ([]byte, error)
	SetState(state []byte) error
}