Class: LogStash::Filters::Duration

Inherits:
Base
  • Object
show all
Defined in:
lib/logstash/filters/duration.rb

Instance Method Summary collapse

Instance Method Details

#filter(event) ⇒ Object 



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# File 'lib/logstash/filters/duration.rb', line 16

def filter(event)
  return unless @iso
  event.set('duration', parse(event.get(@iso)))
  filter_matched(event)
end

#match_pattern(value) ⇒ Object 



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# File 'lib/logstash/filters/duration.rb', line 36

def match_pattern(value)
  pattern = /^(?<negate>-)?P((?<days>\d+)D)?(T((?<hours>\d+)H)?((?<minutes>\d+)M)?((?<seconds>\d+)(.(?<milliseconds>\d+))?S)?)?$/

  value.match pattern
end

#parse(value) ⇒ Object 



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# File 'lib/logstash/filters/duration.rb', line 22

def parse(value)
  match = match_pattern value
  return 0 if match.nil?

  duration = total_seconds(
    match[:days].to_i,
    match[:hours].to_i,
    match[:minutes].to_i,
    match[:seconds].to_i
  )
  duration = -duration if match[:negate] == '-'
  duration
end

#register ⇒ Object 



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# File 'lib/logstash/filters/duration.rb', line 12

def register
end

#total_seconds(days, hours, minutes, seconds) ⇒ Object 



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# File 'lib/logstash/filters/duration.rb', line 42

def total_seconds(days, hours, minutes, seconds)
  seconds + 60 * (minutes + 60 * (hours + 24 * days))
end