swarthy / redis-semaphore / #395

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#395

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swarthy 
5.6.2

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100.0
/src/multiSemaphore/refresh/lua.ts
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import { createEval } from '../../utils/index'
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export const refreshLua = createEval<




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  [string, number, number, string, number, number],










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  0 | 1










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>(










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  `










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  local key = KEYS[1]










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  local limit = tonumber(ARGV[1])










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  local permits = tonumber(ARGV[2])










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  local identifier = ARGV[3]










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  local lockTimeout = tonumber(ARGV[4])










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  local now = tonumber(ARGV[5])










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  local expiredTimestamp = now - lockTimeout










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  local args = {}










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  redis.call('zremrangebyscore', key, '-inf', expiredTimestamp)










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  if redis.call('zscore', key, identifier .. '_0') then










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    for i=0, permits - 1 do










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      table.insert(args, now)










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      table.insert(args, identifier .. '_' .. i)










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    end










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    redis.call('zadd', key, unpack(args))










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    redis.call('pexpire', key, lockTimeout)










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    return 1










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  else










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    return 0










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  end`,










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