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33 lines
790 B
CoffeeScript
33 lines
790 B
CoffeeScript
redis = require "redis-sharelatex"
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rclient1 = redis.createClient(cluster: [{
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port: "7000"
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host: "localhost"
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}])
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rclient2 = redis.createClient(cluster: [{
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port: "7000"
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host: "localhost"
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}])
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counter = 0
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sendPing = (cb = () ->) ->
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rclient1.publish "test-pubsub", counter, (error) ->
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console.error "[SENDING ERROR]", error.message if error?
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if !error?
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counter += 1
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cb()
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previous = null
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rclient2.subscribe "test-pubsub"
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rclient2.on "message", (channel, value) ->
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value = parseInt(value, 10)
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if value % 10 == 0
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console.log "."
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if previous? and value != previous + 1
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console.error "[RECEIVING ERROR]", "Counter not in order. Got #{value}, expected #{previous + 1}"
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previous = value
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PING_DELAY = 100
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do sendPings = () ->
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sendPing () ->
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setTimeout sendPings, PING_DELAY
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