58f8093689
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125 lines
3.7 KiB
Lua
125 lines
3.7 KiB
Lua
--[[
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Adds a delayed job to the queue by doing the following:
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- Increases the job counter if needed.
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- Creates a new job key with the job data.
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- computes timestamp.
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- adds to delayed zset.
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- Emits a global event 'delayed' if the job is delayed.
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Input:
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KEYS[1] 'wait',
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KEYS[2] 'paused'
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KEYS[3] 'meta'
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KEYS[4] 'id'
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KEYS[5] 'delayed'
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KEYS[6] 'completed'
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KEYS[7] events stream key
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ARGV[1] msgpacked arguments array
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[1] key prefix,
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[2] custom id (use custom instead of one generated automatically)
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[3] name
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[4] timestamp
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[5] parentKey?
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x [6] waitChildrenKey key.
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[7] parent dependencies key.
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[8] parent? {id, queueKey}
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[9] repeat job key
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ARGV[2] Json stringified job data
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ARGV[3] msgpacked options
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Output:
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jobId - OK
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-5 - Missing parent key
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]]
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local waitKey = KEYS[1]
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local pausedKey = KEYS[2]
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local metaKey = KEYS[3]
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local idKey = KEYS[4]
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local delayedKey = KEYS[5]
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local completedKey = KEYS[6]
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local eventsKey = KEYS[7]
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local jobId
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local jobIdKey
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local rcall = redis.call
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local args = cmsgpack.unpack(ARGV[1])
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local data = ARGV[2]
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local opts = cmsgpack.unpack(ARGV[3])
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local parentKey = args[5]
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local repeatJobKey = args[9]
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local parent = args[8]
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local parentData
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-- Includes
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--- @include "includes/storeJob"
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--- @include "includes/addDelayMarkerIfNeeded"
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--- @include "includes/getTargetQueueList"
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--- @include "includes/getNextDelayedTimestamp"
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--- @include "includes/updateExistingJobsParent"
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--- @include "includes/getOrSetMaxEvents"
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if parentKey ~= nil then
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if rcall("EXISTS", parentKey) ~= 1 then return -5 end
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parentData = cjson.encode(parent)
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end
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local jobCounter = rcall("INCR", idKey)
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local maxEvents = getOrSetMaxEvents(metaKey)
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local parentDependenciesKey = args[7]
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local timestamp = args[4]
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if args[2] == "" then
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jobId = jobCounter
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jobIdKey = args[1] .. jobId
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else
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-- Refactor to: handleDuplicateJob.lua
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jobId = args[2]
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jobIdKey = args[1] .. jobId
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if rcall("EXISTS", jobIdKey) == 1 then
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updateExistingJobsParent(parentKey, parent, parentData,
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parentDependenciesKey, completedKey, jobIdKey,
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jobId, timestamp)
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rcall("XADD", eventsKey, "MAXLEN", "~", maxEvents, "*", "event",
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"duplicated", "jobId", jobId)
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return jobId .. "" -- convert to string
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end
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end
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-- Store the job.
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local delay, priority = storeJob(eventsKey, jobIdKey, jobId, args[3], ARGV[2],
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opts, timestamp, parentKey, parentData,
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repeatJobKey)
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-- Compute delayed timestamp and the score.
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local delayedTimestamp = (delay > 0 and (timestamp + delay)) or 0
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local score = delayedTimestamp * 0x1000 + bit.band(jobCounter, 0xfff)
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rcall("ZADD", delayedKey, score, jobId)
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rcall("XADD", eventsKey, "MAXLEN", "~", maxEvents, "*", "event", "delayed",
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"jobId", jobId, "delay", delayedTimestamp)
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-- If wait list is empty, and this delayed job is the next one to be processed,
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-- then we need to signal the workers by adding a dummy job (jobId 0:delay) to the wait list.
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local target = getTargetQueueList(metaKey, KEYS[1], KEYS[2])
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addDelayMarkerIfNeeded(target, delayedKey)
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-- Check if this job is a child of another job, if so add it to the parents dependencies
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-- TODO: Should not be possible to add a child job to a parent that is not in the "waiting-children" status.
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-- fail in this case.
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if parentDependenciesKey ~= nil then
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rcall("SADD", parentDependenciesKey, jobIdKey)
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end
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return jobId .. "" -- convert to string
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