Class: PromptWarden::Buffer

Inherits:
Object
  • Object
show all
Defined in:
lib/prompt_warden/buffer.rb

Instance Method Summary collapse

Constructor Details

#initialize(cfg = PromptWarden.configuration) ⇒ Buffer

Returns a new instance of Buffer.



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# File 'lib/prompt_warden/buffer.rb', line 8

def initialize(cfg = PromptWarden.configuration)
  @cfg    = cfg
  @events = []
  @bytes  = 0
  @mutex  = Mutex.new
  start_timer
end

Instance Method Details

#flush!Object

Manual flush



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# File 'lib/prompt_warden/buffer.rb', line 33

def flush!
  batch = nil

  @mutex.synchronize do
    return if @events.empty?

    batch  = @events.join("\n")
    @events.clear
    @bytes = 0
  end

  compressed = Zlib.gzip(batch)
  Uploader.instance.enqueue(compressed)
end

#push(event) ⇒ Object

Enqueue an Event (or Hash). Flushes automatically when batch_bytes hit.



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# File 'lib/prompt_warden/buffer.rb', line 19

def push(event)
  json = JSON.generate(event.to_h)
  should_flush = false

  @mutex.synchronize do
    @events << json
    @bytes  += json.bytesize
    should_flush = @bytes >= @cfg.batch_bytes
  end

  flush! if should_flush
end