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|
class Cable.Connection
constructor: (@consumer) ->
@open()
send: (data) ->
if @isOpen()
@websocket.send(JSON.stringify(data))
true
else
false
open: =>
return if @isState("open", "connecting")
@websocket = new WebSocket(@consumer.url)
@websocket.onmessage = @onMessage
@websocket.onopen = @onOpen
@websocket.onclose = @onClose
@websocket.onerror = @onError
close: ->
return if @isState("closed", "closing")
@websocket?.close()
reopen: ->
if @isOpen()
@websocket.onclose = @open
@websocket.onerror = @open
@websocket.close()
else
@open()
isOpen: ->
@isState("open")
isState: (states...) ->
@getState() in states
getState: ->
return state.toLowerCase() for state, value of WebSocket when value is @websocket?.readyState
null
onMessage: (message) =>
data = JSON.parse message.data
@consumer.subscribers.notify(data.identifier, "received", data.message)
onOpen: =>
@consumer.subscribers.reload()
onClose: =>
@disconnect()
onError: =>
@disconnect()
@websocket.onclose = -> # no-op
@websocket.onerror = -> # no-op
try @close()
disconnect: ->
@consumer.subscribers.notifyAll("disconnected")
|
