mirror of
https://github.com/overleaf/overleaf.git
synced 2024-12-26 17:41:31 +00:00
41 lines
No EOL
1 KiB
CoffeeScript
41 lines
No EOL
1 KiB
CoffeeScript
redis = require "redis-sharelatex"
|
|
rclient1 = redis.createClient(cluster: [{
|
|
port: "7000"
|
|
host: "localhost"
|
|
}])
|
|
|
|
rclient2 = redis.createClient(cluster: [{
|
|
port: "7000"
|
|
host: "localhost"
|
|
}])
|
|
|
|
counter = 0
|
|
sendPing = (cb = () ->) ->
|
|
rclient1.rpush "test-blpop", counter, (error) ->
|
|
console.error "[SENDING ERROR]", error.message if error?
|
|
if !error?
|
|
counter += 1
|
|
cb()
|
|
|
|
previous = null
|
|
listenForPing = (cb) ->
|
|
rclient2.blpop "test-blpop", 200, (error, result) ->
|
|
return cb(error) if error?
|
|
[key, value] = result
|
|
value = parseInt(value, 10)
|
|
if value % 10 == 0
|
|
console.log "."
|
|
if previous? and value != previous + 1
|
|
error = new Error("Counter not in order. Got #{value}, expected #{previous + 1}")
|
|
previous = value
|
|
return cb(error, value)
|
|
|
|
PING_DELAY = 100
|
|
do sendPings = () ->
|
|
sendPing () ->
|
|
setTimeout sendPings, PING_DELAY
|
|
|
|
do listenInBackground = (cb = () ->) ->
|
|
listenForPing (error, value) ->
|
|
console.error "[RECEIVING ERROR]", error.message if error
|
|
setTimeout listenInBackground |