streamlog

Documentation

Overview

Package streamlog provides a non-blocking message broadcaster.

Index

• type StreamLogger
  • func New(name string, size int) *StreamLogger
  • func (logger *StreamLogger) Name() string
  • func (logger *StreamLogger) Send(message interface{})
  • func (logger *StreamLogger) ServeLogs(url string, messageFmt func(url.Values, interface{}) string)
  • func (logger *StreamLogger) Subscribe(name string) chan interface{}
  • func (logger *StreamLogger) Unsubscribe(ch chan interface{})

Types

type StreamLogger

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

StreamLogger is a non-blocking broadcaster of messages. Subscribers can use channels or HTTP.

func New

func New(name string, size int) *StreamLogger

New returns a new StreamLogger with a buffer that can contain size messages. Any messages sent to it will be available at url.

func (*StreamLogger) Name

func (logger *StreamLogger) Name() string

Name returns the name of StreamLogger.

func (*StreamLogger) Send

func (logger *StreamLogger) Send(message interface{})

Send sends message to all the writers subscribed to logger. Calling Send does not block.

func (*StreamLogger) ServeLogs

func (logger *StreamLogger) ServeLogs(url string, messageFmt func(url.Values, interface{}) string)

ServeLogs registers the URL on which messages will be broadcast. It is safe to register multiple URLs for the same StreamLogger.

func (*StreamLogger) Subscribe

func (logger *StreamLogger) Subscribe(name string) chan interface{}

Subscribe returns a channel which can be used to listen for messages.

func (*StreamLogger) Unsubscribe

func (logger *StreamLogger) Unsubscribe(ch chan interface{})

Unsubscribe removes the channel from the subscription.