const content = `--[[ Moves job from active to delayed set. Input: KEYS[1] wait key KEYS[2] active key KEYS[3] prioritized key KEYS[4] delayed key KEYS[5] job key KEYS[6] events stream KEYS[7] paused key KEYS[8] meta key ARGV[1] key prefix ARGV[2] timestamp ARGV[3] delayedTimestamp ARGV[4] the id of the job ARGV[5] queue token ARGV[6] delay value Output: 0 - OK -1 - Missing job. -3 - Job not in active set. Events: - delayed key. ]] local rcall = redis.call -- Includes --[[ Add delay marker if needed. ]] -- Includes --[[ Function to return the next delayed job timestamp. ]] local function getNextDelayedTimestamp(delayedKey) local result = rcall("ZRANGE", delayedKey, 0, 0, "WITHSCORES") if #result then local nextTimestamp = tonumber(result[2]) if (nextTimestamp ~= nil) then nextTimestamp = nextTimestamp / 0x1000 end return nextTimestamp end end local function addDelayMarkerIfNeeded(targetKey, delayedKey) local waitLen = rcall("LLEN", targetKey) if waitLen <= 1 then local nextTimestamp = getNextDelayedTimestamp(delayedKey) if nextTimestamp ~= nil then -- Check if there is already a marker with older timestamp -- if there is, we need to replace it. if waitLen == 1 then local marker = rcall("LINDEX", targetKey, 0) local oldTimestamp = tonumber(marker:sub(3)) if oldTimestamp and oldTimestamp > nextTimestamp then rcall("LSET", targetKey, 0, "0:" .. nextTimestamp) end else -- if there is no marker, then we need to add one rcall("LPUSH", targetKey, "0:" .. nextTimestamp) end end end end --[[ Function to check for the meta.paused key to decide if we are paused or not (since an empty list and !EXISTS are not really the same). ]] local function getTargetQueueList(queueMetaKey, waitKey, pausedKey) if rcall("HEXISTS", queueMetaKey, "paused") ~= 1 then return waitKey, false else return pausedKey, true end end --[[ Updates the delay set, by moving delayed jobs that should be processed now to "wait". Events: 'waiting' ]] -- Includes --[[ Function priority marker to wait if needed in order to wake up our workers and to respect priority order as much as possible ]] local function addPriorityMarkerIfNeeded(waitKey) local waitLen = rcall("LLEN", waitKey) if waitLen == 0 then rcall("LPUSH", waitKey, "0:0") end end --[[ Function to get priority score. ]] local function getPriorityScore(priority, priorityCounterKey) local prioCounter = rcall("INCR", priorityCounterKey) return priority * 0x100000000 + prioCounter % 0x100000000 end -- Try to get as much as 1000 jobs at once local function promoteDelayedJobs(delayedKey, waitKey, targetKey, prioritizedKey, eventStreamKey, prefix, timestamp, paused, priorityCounterKey) local jobs = rcall("ZRANGEBYSCORE", delayedKey, 0, (timestamp + 1) * 0x1000, "LIMIT", 0, 1000) if (#jobs > 0) then rcall("ZREM", delayedKey, unpack(jobs)) for _, jobId in ipairs(jobs) do local jobKey = prefix .. jobId local priority = tonumber(rcall("HGET", jobKey, "priority")) or 0 if priority == 0 then -- LIFO or FIFO rcall("LPUSH", targetKey, jobId) else local score = getPriorityScore(priority, priorityCounterKey) rcall("ZADD", prioritizedKey, score, jobId) end -- Emit waiting event rcall("XADD", eventStreamKey, "*", "event", "waiting", "jobId", jobId, "prev", "delayed") rcall("HSET", jobKey, "delay", 0) end if not paused then addPriorityMarkerIfNeeded(targetKey) end end end local jobKey = KEYS[5] if rcall("EXISTS", jobKey) == 1 then local delayedKey = KEYS[4] if ARGV[5] ~= "0" then local lockKey = jobKey .. ':lock' if rcall("GET", lockKey) == ARGV[5] then rcall("DEL", lockKey) else return -2 end end local jobId = ARGV[4] local score = tonumber(ARGV[3]) local delayedTimestamp = (score / 0x1000) local numRemovedElements = rcall("LREM", KEYS[2], -1, jobId) if numRemovedElements < 1 then return -3 end rcall("HSET", jobKey, "delay", ARGV[6]) local maxEvents = rcall("HGET", KEYS[8], "opts.maxLenEvents") or 10000 rcall("ZADD", delayedKey, score, jobId) rcall("XADD", KEYS[6], "MAXLEN", "~", maxEvents, "*", "event", "delayed", "jobId", jobId, "delay", delayedTimestamp) -- Check if we need to push a marker job to wake up sleeping workers. local target = getTargetQueueList(KEYS[8], KEYS[1], KEYS[7]) addDelayMarkerIfNeeded(target, delayedKey) return 0 else return -1 end `; export const moveToDelayed = { name: 'moveToDelayed', content, keys: 8, }; //# sourceMappingURL=moveToDelayed-8.js.map