Class: DebugBundle::Suppression::Tracker

Inherits:
Object
  • Object
show all
Defined in:
lib/debugbundle/suppression.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Tracker

Returns a new instance of Tracker.



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# File 'lib/debugbundle/suppression.rb', line 30

def initialize
  @states = {}
end

Instance Method Details

#drain_aggregates(now:) ⇒ Object 



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# File 'lib/debugbundle/suppression.rb', line 70

def drain_aggregates(now:)
  @states.each_with_object([]) do |(key, state), aggregates|
    next if state.pending_suppressed_count.zero?
    next if state.pending_first_seen_at.nil? || state.pending_last_seen_at.nil?
    next if checkpoint_not_due?(state, now)

    aggregates << {
      'fingerprint' => Digest::SHA256.hexdigest(key),
      'suppressed_count' => state.pending_suppressed_count,
      'first_seen' => Time.at(state.pending_first_seen_at).utc.iso8601,
      'last_seen' => Time.at(state.pending_last_seen_at).utc.iso8601,
      'window_seconds' => DUPLICATE_WINDOW_SECONDS.to_i
    }

    state.pending_suppressed_count = 0
    state.pending_first_seen_at = nil
    state.pending_last_seen_at = nil
    state.last_aggregate_emitted_at = now
  end
end

#should_capture(key, now:) ⇒ Object 



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# File 'lib/debugbundle/suppression.rb', line 34

def should_capture(key, now:)
  state = (@states[key] ||= new_state(now))

  if state.suppression_mode && (now - state.last_seen_at) >= LOOP_RESET_AFTER_SECONDS
    @states[key] = new_state(now)
    state = @states[key]
  end

  if (now - state.window_started_at) >= DUPLICATE_WINDOW_SECONDS
    state.window_started_at = now
    state.emitted_count = 0
  end

  if (now - state.loop_window_started_at) >= LOOP_WINDOW_SECONDS
    state.loop_window_started_at = now
    state.loop_hit_count = 0
  end

  state.loop_hit_count += 1
  state.last_seen_at = now
  state.suppression_mode = true if state.loop_hit_count > LOOP_THRESHOLD

  if state.suppression_mode
    mark_suppressed(state, now)
    return false
  end

  if state.emitted_count < MAX_NORMAL_EVENTS_PER_WINDOW
    state.emitted_count += 1
    return true
  end

  mark_suppressed(state, now)
  false
end