Class: Fluent::Plugin::JsonSizeLimit::RecordProcessor

Inherits:
Object
  • Object
show all
Defined in:
lib/fluent/plugin/json_size_limit/record_processor.rb

Defined Under Namespace

Classes: Result

Instance Method Summary collapse

Constructor Details

#initialize(max_json_bytes:, safety_options:, clock: ProcessingGuard::MONOTONIC_TIME) ⇒ RecordProcessor

Returns a new instance of RecordProcessor.



13
14
15
16
17
 
# File 'lib/fluent/plugin/json_size_limit/record_processor.rb', line 13

def initialize(max_json_bytes:, safety_options:, clock: ProcessingGuard::MONOTONIC_TIME)
  @max_json_bytes = max_json_bytes
  @safety_options = safety_options
  @clock = clock
end

Instance Method Details

#call(record) ⇒ Object 



19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
 
# File 'lib/fluent/plugin/json_size_limit/record_processor.rb', line 19

def call(record)
  guard = ProcessingGuard.new(**@safety_options, clock: @clock)
  original_json_bytes = RecordMeasurer.new(guard).measure(record)

  if original_json_bytes <= @max_json_bytes
    return Result.new(
      status: :within_limit,
      original_json_bytes: original_json_bytes,
      json_bytes: original_json_bytes
    )
  end

  # Node and input counters are phase-local, while the absolute
  # deadline remains shared by measurement and reduction.
  guard.reset_phase!(track_input: false)
  reduced_json_bytes = RecordReducer.new(
    record,
    original_json_bytes: original_json_bytes,
    max_json_bytes: @max_json_bytes,
    guard: guard,
    validated_record: true
  ).reduce_to_limit
  guard.checkpoint!

  Result.new(
    status: (reduced_json_bytes <= @max_json_bytes) ? :reduced : :overflow,
    original_json_bytes: original_json_bytes,
    json_bytes: reduced_json_bytes
  )
end