events

Documentation

Index

• type Events
  • func New() *Events
  • func (e *Events) Evict(l chan interface{})
  • func (e *Events) Log(action, id, from string)
  • func (e *Events) Subscribe() ([]*jsonmessage.JSONMessage, chan interface{}, func())
  • func (e *Events) SubscribersCount() int
• type Filter
  • func NewFilter(filter filters.Args, getLabels func(id string) map[string]string) *Filter
  • func (ef *Filter) Include(ev *jsonmessage.JSONMessage) bool

Types

type Events

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

Events is pubsub channel for *jsonmessage.JSONMessage

func New

func New() *Events

New returns new *Events instance

func (*Events) Evict

func (e *Events) Evict(l chan interface{})

Evict evicts listener from pubsub

func (*Events) Log

func (e *Events) Log(action, id, from string)

Log broadcasts event to listeners. Each listener has 100 millisecond for receiving event or it will be skipped.

func (*Events) Subscribe

func (e *Events) Subscribe() ([]*jsonmessage.JSONMessage, chan interface{}, func())

Subscribe adds new listener to events, returns slice of 64 stored last events, a channel in which you can expect new events (in form of interface{}, so you need type assertion), and a function to call to stop the stream of events.

func (*Events) SubscribersCount

func (e *Events) SubscribersCount() int

SubscribersCount returns number of event listeners

type Filter

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

Filter can filter out docker events from a stream

func NewFilter

func NewFilter(filter filters.Args, getLabels func(id string) map[string]string) *Filter

NewFilter creates a new Filter

func (*Filter) Include

func (ef *Filter) Include(ev *jsonmessage.JSONMessage) bool

Include returns true when the event ev is included by the filters