Module: Traxor::Rack::Middleware::QueueTime

Defined in:
lib/traxor/rack/middleware/queue_time.rb

Constant Summary collapse

X_REQUEST_START = 
'HTTP_X_REQUEST_START'
EARLIEST_ACCEPTABLE_TIME =

any timestamps before this are thrown out and the parser will try again with a larger unit (2000/1/1 UTC)

Time.at(946_684_800).utc
DIVISORS = 
[1_000_000, 1_000, 1].freeze

Class Method Summary collapse

Class Method Details

.parse(env) ⇒ Object 



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# File 'lib/traxor/rack/middleware/queue_time.rb', line 15

def self.parse(env)
  return unless env[X_REQUEST_START]

  value = env[X_REQUEST_START].to_s.sub(/t=/, '')
  DIVISORS.each do |divisor|
    time = Time.at(value.to_f / divisor).utc
    return time if time > EARLIEST_ACCEPTABLE_TIME
  end

  nil
end