if (frameLength > 0L) {
      source.readFully(controlFrameBuffer, frameLength)

      if (!isClient) {
        controlFrameBuffer.readAndWriteUnsafe(maskCursor!!)
        maskCursor.seek(0)
        toggleMask(maskCursor, maskKey!!)
        maskCursor.close()
      }
    }

    when (opcode) {
      OPCODE_CONTROL_PING -> {

      sinkBuffer.write(maskKey)

      if (length > 0) {
        val payloadStart = sinkBuffer.size
        sinkBuffer.write(payload)

        sinkBuffer.readAndWriteUnsafe(maskCursor!!)
        maskCursor.seek(payloadStart)
        toggleMask(maskCursor, maskKey)
        maskCursor.close()
      }
    } else {
      sinkBuffer.writeByte(b1)
      sinkBuffer.write(payload)
    }

    sink.flush()
  }

// seat : 2014-05-22 SEAT, S.A. (Sociedad Unipersonal)
seat

// secure : 2015-08-27 Amazon Registry Services, Inc.
secure

// security : 2015-05-14 XYZ.COM LLC
security

// seek : 2014-12-04 Seek Limited
seek

// select : 2015-10-08 Registry Services, LLC
select

// sener : 2014-10-24 Sener Ingeniería y Sistemas, S.A.
sener

// services : 2014-02-27 Binky Moon, LLC
services

scientist.aero scot scotland.museum scrapper-site.net scrapping.cc scrysec.com sd sd.cn sd.us sdn.gov.pl sdscloud.pl se se.eu.org se.gov.br se.leg.br se.net seaport.museum search seat sebastopol.ua sec.ps secaas.hk secret.jp secure security securitytactics.com seek seg.br seidat.net seihi.nagasaki.jp seika.kyoto.jp seiro.niigata.jp seirou.niigata.jp seiyo.ehime.jp sejny.pl sekd1.beebyteapp.io seki.gifu.jp sekigahara.gifu.jp sekikawa.niigata.jp sel.no selbu.no select selfip.biz selfip.com selfip.info selfip.net...