bigbluebutton-Github/client/bbb-html5-client/lib/messagebus.coffee
2014-04-23 18:27:43 -04:00

38 lines
956 B
CoffeeScript
Executable File

postal = require('postal')
crypto = require 'crypto'
config = require '../config'
moduleDeps = ["RedisPubSub"]
module.exports = class MessageBus
constructor: ->
config.modules.wait moduleDeps, =>
@pubSub = config.modules.get("RedisPubSub")
receiveMessages: (callback) ->
postal.subscribe
channel: config.redis.internalChannels.receive
topic: "broadcast"
callback: (msg, envelope) ->
callback(msg)
sendAndWaitForReply: (data, callback) ->
replyTo =
channel: config.redis.internalChannels.reply
topic: 'get.' + crypto.randomBytes(16).toString('hex')
postal.subscribe(
channel: replyTo.channel
topic: replyTo.topic
callback: (msg, envelope) ->
callback(msg.err, msg.data)
).once()
postal.publish
channel: config.redis.internalChannels.publish
topic: 'broadcast'
replyTo: replyTo
data: data