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34 lines
1.1 KiB
CoffeeScript
34 lines
1.1 KiB
CoffeeScript
Settings = require 'settings-sharelatex'
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logger = require 'logger-sharelatex'
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redis = require("redis-sharelatex")
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rclientPub = redis.createClient(Settings.redis.web)
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rclientSub = redis.createClient(Settings.redis.web)
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module.exports = WebsocketLoadBalancer =
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rclientPub: rclientPub
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rclientSub: rclientSub
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emitToRoom: (room_id, message, payload...) ->
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if !room_id?
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logger.err {err: new Error("Empty room_id"), message, payload}, "error emitting to room"
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return
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@rclientPub.publish "editor-events", JSON.stringify
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room_id: room_id
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message: message
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payload: payload
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emitToAll: (message, payload...) ->
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@emitToRoom "all", message, payload...
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listenForEditorEvents: (io) ->
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@rclientSub.subscribe "editor-events"
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@rclientSub.on "message", (channel, message) ->
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WebsocketLoadBalancer._processEditorEvent io, channel, message
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_processEditorEvent: (io, channel, message) ->
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message = JSON.parse(message)
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if message.room_id == "all"
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io.sockets.emit(message.message, message.payload...)
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else if message.room_id?
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io.sockets.in(message.room_id).emit(message.message, message.payload...)
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