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43 lines
No EOL
1.4 KiB
CoffeeScript
43 lines
No EOL
1.4 KiB
CoffeeScript
Settings = require('settings-sharelatex')
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logger = require('logger-sharelatex')
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Keys = require('./RedisKeyBuilder')
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redis = require('redis')
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UpdateManager = require('./UpdateManager')
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module.exports = WorkersManager =
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createWorker: () ->
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redisConf = Settings.redis.web
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client = redis.createClient(redisConf.port, redisConf.host)
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client.auth(redisConf.password)
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worker = {
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client: client
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waitForAndProcessUpdate: (callback = (error) ->) ->
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worker.client.blpop "pending-updates-list", 0, (error, result) ->
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return callback(error) if error?
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return callback() if !result?
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[list_name, doc_key] = result
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[project_id, doc_id] = Keys.splitProjectIdAndDocId(doc_key)
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UpdateManager.processOutstandingUpdatesWithLock project_id, doc_id, (error) ->
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logger.error err: error, project_id: project_id, doc_id: doc_id, "error processing update" if error?
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return callback(error) if error?
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return callback()
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run: () ->
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return if Settings.shuttingDown
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worker.waitForAndProcessUpdate (error) =>
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if error?
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logger.error err: error, "Error in worker process, waiting 1 second before continuing"
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setTimeout () ->
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worker.run()
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, 1000
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else
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worker.run()
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}
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return worker
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createAndStartWorkers: (number) ->
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for i in [1..number]
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worker = WorkersManager.createWorker()
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worker.run() |