WebSocket Notes

WebSocket Note

require 'faye/websocket'
require 'eventmachine'

i = 0

EM.run {
  ws = Faye::WebSocket::Client.new('ws://echo.websocket.org/')

  ws.on :open do |event|
    p [:open]
    ws.send('Hello, world!')
  end

  ws.on :message do |event|
    p [:message, event.data]
    if i < 10
      i += 1
      ws.send(event.data + ' ' + i.to_s)
    end
  end

  ws.on :close do |event|
    p [:close, event.code, event.reason]
    ws = nil
  end
}