Function encodeFrameHybi17

lib/internal/debugger/inspect_client.js:66–101

(payload)

}

function encodeFrameHybi17(payload) {
  const dataLength = payload.length;

  let singleByteLength;
  let additionalLength;
  if (dataLength > kMaxTwoBytePayloadLength) {
    singleByteLength = kEightBytePayloadLengthField;
    additionalLength = Buffer.alloc(8);
    let remaining = dataLength;
    for (let i = 0; i < 8; ++i) {
      additionalLength[7 - i] = remaining & 0xFF;
      remaining >>= 8;
    }
  } else if (dataLength > kMaxSingleBytePayloadLength) {
    singleByteLength = kTwoBytePayloadLengthField;
    additionalLength = Buffer.alloc(2);
    additionalLength[0] = (dataLength & 0xFF00) >> 8;
    additionalLength[1] = dataLength & 0xFF;
  } else {
    additionalLength = new FastBuffer();
    singleByteLength = dataLength;
  }

  const header = Buffer.from([
    kFinalBit | kOpCodeText,
    kMaskBit | singleByteLength,
  ]);

  const mask = Buffer.alloc(4);
  const masked = Buffer.alloc(dataLength);
  for (let i = 0; i < dataLength; ++i) {
    masked[i] = payload[i] ^ mask[i % kMaskingKeyWidthInBytes];
  }

  return Buffer.concat([header, additionalLength, mask, masked]);
}

function decodeFrameHybi17(data) {
  const dataAvailable = data.length;