332 lines
12 KiB
JavaScript
332 lines
12 KiB
JavaScript
const content = `--[[
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Adds a parent 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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- adds the job to the waiting-children zset
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Input:
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KEYS[1] 'meta'
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KEYS[2] 'id'
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KEYS[3] 'delayed'
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KEYS[4] 'waiting-children'
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KEYS[5] 'completed'
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KEYS[6] 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 (will not generate one automatically)
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[3] name
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[4] timestamp
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[5] parentKey?
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[6] parent dependencies key.
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[7] parent? {id, queueKey}
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[8] repeat job key
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[9] deduplication 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 metaKey = KEYS[1]
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local idKey = KEYS[2]
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local completedKey = KEYS[5]
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local eventsKey = KEYS[6]
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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 parent = args[7]
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local repeatJobKey = args[8]
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local deduplicationKey = args[9]
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local parentData
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-- Includes
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--[[
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Function to get max events value or set by default 10000.
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]]
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local function getOrSetMaxEvents(metaKey)
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local maxEvents = rcall("HGET", metaKey, "opts.maxLenEvents")
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if not maxEvents then
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maxEvents = 10000
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rcall("HSET", metaKey, "opts.maxLenEvents", maxEvents)
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end
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return maxEvents
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end
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--[[
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Function to handle the case when job is duplicated.
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]]
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-- Includes
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--[[
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This function is used to update the parent's dependencies if the job
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is already completed and about to be ignored. The parent must get its
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dependencies updated to avoid the parent job being stuck forever in
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the waiting-children state.
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]]
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-- Includes
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--[[
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Validate and move or add dependencies to parent.
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]]
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-- Includes
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--[[
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Validate and move parent to a wait status (waiting, delayed or prioritized)
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if no pending dependencies.
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]]
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-- Includes
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--[[
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Validate and move parent to a wait status (waiting, delayed or prioritized) if needed.
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]]
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-- Includes
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--[[
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Move parent to a wait status (wait, prioritized or delayed)
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]]
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-- Includes
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--[[
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Add delay marker if needed.
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]]
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-- Includes
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--[[
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Function to return the next delayed job timestamp.
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]]
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local function getNextDelayedTimestamp(delayedKey)
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local result = rcall("ZRANGE", delayedKey, 0, 0, "WITHSCORES")
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if #result then
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local nextTimestamp = tonumber(result[2])
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if nextTimestamp ~= nil then
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return nextTimestamp / 0x1000
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end
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end
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end
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local function addDelayMarkerIfNeeded(markerKey, delayedKey)
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local nextTimestamp = getNextDelayedTimestamp(delayedKey)
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if nextTimestamp ~= nil then
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-- Replace the score of the marker with the newest known
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-- next timestamp.
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rcall("ZADD", markerKey, nextTimestamp, "1")
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end
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end
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--[[
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Function to add job in target list and add marker if needed.
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]]
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-- Includes
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--[[
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Add marker if needed when a job is available.
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]]
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local function addBaseMarkerIfNeeded(markerKey, isPausedOrMaxed)
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if not isPausedOrMaxed then
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rcall("ZADD", markerKey, 0, "0")
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end
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end
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local function addJobInTargetList(targetKey, markerKey, pushCmd, isPausedOrMaxed, jobId)
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rcall(pushCmd, targetKey, jobId)
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addBaseMarkerIfNeeded(markerKey, isPausedOrMaxed)
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end
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--[[
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Function to add job considering priority.
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]]
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-- Includes
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--[[
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Function to get priority score.
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]]
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local function getPriorityScore(priority, priorityCounterKey)
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local prioCounter = rcall("INCR", priorityCounterKey)
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return priority * 0x100000000 + prioCounter % 0x100000000
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end
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local function addJobWithPriority(markerKey, prioritizedKey, priority, jobId, priorityCounterKey,
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isPausedOrMaxed)
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local score = getPriorityScore(priority, priorityCounterKey)
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rcall("ZADD", prioritizedKey, score, jobId)
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addBaseMarkerIfNeeded(markerKey, isPausedOrMaxed)
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end
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--[[
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Function to check if queue is paused or maxed
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(since an empty list and !EXISTS are not really the same).
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]]
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local function isQueuePausedOrMaxed(queueMetaKey, activeKey)
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local queueAttributes = rcall("HMGET", queueMetaKey, "paused", "concurrency")
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if queueAttributes[1] then
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return true
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else
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if queueAttributes[2] then
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local activeCount = rcall("LLEN", activeKey)
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return activeCount >= tonumber(queueAttributes[2])
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end
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end
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return false
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end
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--[[
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Function to check for the meta.paused key to decide if we are paused or not
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(since an empty list and !EXISTS are not really the same).
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]]
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local function getTargetQueueList(queueMetaKey, activeKey, waitKey, pausedKey)
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local queueAttributes = rcall("HMGET", queueMetaKey, "paused", "concurrency", "max", "duration")
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if queueAttributes[1] then
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return pausedKey, true, queueAttributes[3], queueAttributes[4]
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else
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if queueAttributes[2] then
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local activeCount = rcall("LLEN", activeKey)
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if activeCount >= tonumber(queueAttributes[2]) then
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return waitKey, true, queueAttributes[3], queueAttributes[4]
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else
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return waitKey, false, queueAttributes[3], queueAttributes[4]
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end
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end
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end
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return waitKey, false, queueAttributes[3], queueAttributes[4]
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end
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local function moveParentToWait(parentQueueKey, parentKey, parentId, timestamp)
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local parentWaitKey = parentQueueKey .. ":wait"
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local parentPausedKey = parentQueueKey .. ":paused"
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local parentActiveKey = parentQueueKey .. ":active"
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local parentMetaKey = parentQueueKey .. ":meta"
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local parentMarkerKey = parentQueueKey .. ":marker"
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local jobAttributes = rcall("HMGET", parentKey, "priority", "delay")
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local priority = tonumber(jobAttributes[1]) or 0
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local delay = tonumber(jobAttributes[2]) or 0
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if delay > 0 then
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local delayedTimestamp = tonumber(timestamp) + delay
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local score = delayedTimestamp * 0x1000
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local parentDelayedKey = parentQueueKey .. ":delayed"
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rcall("ZADD", parentDelayedKey, score, parentId)
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rcall("XADD", parentQueueKey .. ":events", "*", "event", "delayed", "jobId", parentId, "delay",
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delayedTimestamp)
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addDelayMarkerIfNeeded(parentMarkerKey, parentDelayedKey)
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else
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if priority == 0 then
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local parentTarget, isParentPausedOrMaxed = getTargetQueueList(parentMetaKey, parentActiveKey,
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parentWaitKey, parentPausedKey)
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addJobInTargetList(parentTarget, parentMarkerKey, "RPUSH", isParentPausedOrMaxed, parentId)
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else
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local isPausedOrMaxed = isQueuePausedOrMaxed(parentMetaKey, parentActiveKey)
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addJobWithPriority(parentMarkerKey, parentQueueKey .. ":prioritized", priority, parentId,
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parentQueueKey .. ":pc", isPausedOrMaxed)
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end
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rcall("XADD", parentQueueKey .. ":events", "*", "event", "waiting", "jobId", parentId, "prev",
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"waiting-children")
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end
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end
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local function moveParentToWaitIfNeeded(parentQueueKey, parentKey, parentId, timestamp)
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if rcall("EXISTS", parentKey) == 1 then
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local parentWaitingChildrenKey = parentQueueKey .. ":waiting-children"
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if rcall("ZSCORE", parentWaitingChildrenKey, parentId) then
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rcall("ZREM", parentWaitingChildrenKey, parentId)
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moveParentToWait(parentQueueKey, parentKey, parentId, timestamp)
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end
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end
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end
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local function moveParentToWaitIfNoPendingDependencies(parentQueueKey, parentDependenciesKey, parentKey,
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parentId, timestamp)
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local doNotHavePendingDependencies = rcall("SCARD", parentDependenciesKey) == 0
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if doNotHavePendingDependencies then
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moveParentToWaitIfNeeded(parentQueueKey, parentKey, parentId, timestamp)
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end
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end
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local function updateParentDepsIfNeeded(parentKey, parentQueueKey, parentDependenciesKey,
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parentId, jobIdKey, returnvalue, timestamp )
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local processedSet = parentKey .. ":processed"
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rcall("HSET", processedSet, jobIdKey, returnvalue)
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moveParentToWaitIfNoPendingDependencies(parentQueueKey, parentDependenciesKey, parentKey, parentId, timestamp)
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end
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local function updateExistingJobsParent(parentKey, parent, parentData,
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parentDependenciesKey, completedKey,
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jobIdKey, jobId, timestamp)
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if parentKey ~= nil then
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if rcall("ZSCORE", completedKey, jobId) then
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local returnvalue = rcall("HGET", jobIdKey, "returnvalue")
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updateParentDepsIfNeeded(parentKey, parent['queueKey'],
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parentDependenciesKey, parent['id'],
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jobIdKey, returnvalue, timestamp)
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else
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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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end
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rcall("HMSET", jobIdKey, "parentKey", parentKey, "parent", parentData)
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end
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end
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local function handleDuplicatedJob(jobKey, jobId, currentParentKey, currentParent,
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parentData, parentDependenciesKey, completedKey, eventsKey, maxEvents, timestamp)
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local existedParentKey = rcall("HGET", jobKey, "parentKey")
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if not existedParentKey or existedParentKey == currentParentKey then
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updateExistingJobsParent(currentParentKey, currentParent, parentData,
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parentDependenciesKey, completedKey, jobKey,
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jobId, timestamp)
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else
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if currentParentKey ~= nil and currentParentKey ~= existedParentKey
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and (rcall("EXISTS", existedParentKey) == 1) then
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return -7
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end
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end
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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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--[[
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Function to store a job
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]]
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local function storeJob(eventsKey, jobIdKey, jobId, name, data, opts, timestamp,
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parentKey, parentData, repeatJobKey)
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local jsonOpts = cjson.encode(opts)
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local delay = opts['delay'] or 0
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local priority = opts['priority'] or 0
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local debounceId = opts['de'] and opts['de']['id']
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local optionalValues = {}
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if parentKey ~= nil then
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table.insert(optionalValues, "parentKey")
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table.insert(optionalValues, parentKey)
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table.insert(optionalValues, "parent")
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table.insert(optionalValues, parentData)
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end
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if repeatJobKey then
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table.insert(optionalValues, "rjk")
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table.insert(optionalValues, repeatJobKey)
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end
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if debounceId then
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table.insert(optionalValues, "deid")
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table.insert(optionalValues, debounceId)
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end
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rcall("HMSET", jobIdKey, "name", name, "data", data, "opts", jsonOpts,
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"timestamp", timestamp, "delay", delay, "priority", priority,
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unpack(optionalValues))
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rcall("XADD", eventsKey, "*", "event", "added", "jobId", jobId, "name", name)
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return delay, priority
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end
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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[6]
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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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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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return handleDuplicatedJob(jobIdKey, jobId, parentKey, parent,
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parentData, parentDependenciesKey, completedKey, eventsKey,
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maxEvents, timestamp)
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end
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end
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-- Store the job.
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storeJob(eventsKey, jobIdKey, jobId, args[3], ARGV[2], opts, timestamp,
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parentKey, parentData, repeatJobKey)
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local waitChildrenKey = KEYS[4]
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rcall("ZADD", waitChildrenKey, timestamp, jobId)
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rcall("XADD", eventsKey, "MAXLEN", "~", maxEvents, "*", "event",
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"waiting-children", "jobId", jobId)
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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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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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`;
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export const addParentJob = {
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name: 'addParentJob',
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content,
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keys: 6,
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};
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//# sourceMappingURL=addParentJob-6.js.map
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