discovery

Documentation

Overview

START: start

Package exposes functionality to get free (unused) ports on your system.

Index

• func GetPorts(n int) []int
• func GetPortsWithErr(n int) (ports []int, err error)
• func GetSPorts(n int) []string
• func GetSPortsWithErr(n int) ([]string, error)
• type Config
• type Handler
• type Membership
  • func New(handler Handler, config Config) (*Membership, error)
  • func (m *Membership) Leave() error
  • func (m *Membership) Members() []serf.Member

Functions

func GetPorts

func GetPorts(n int) []int

Get returns n ports that are free to use, panicing if it can't succeed.

func GetPortsWithErr

func GetPortsWithErr(n int) (ports []int, err error)

Get returns n ports that are free to use.

func GetSPorts

func GetSPorts(n int) []string

GetS returns n ports as strings that are free to use, panicing if it can't succeed.

func GetSPortsWithErr

func GetSPortsWithErr(n int) ([]string, error)

GetS return n ports (as strings) that are free to use.

Types

type Config

type Config struct {
	NodeName       string
	BindAddr       string
	Tags           map[string]string
	StartJoinAddrs []string
}

END: start START: setup

type Handler

type Handler interface {
	Join(name, addr string) error
	Leave(name string) error
}

START: handler

type Membership

type Membership struct {
	Config
	// contains filtered or unexported fields
}

func New

func New(handler Handler, config Config) (*Membership, error)

func (*Membership) Leave

func (m *Membership) Leave() error

func (*Membership) Members

func (m *Membership) Members() []serf.Member