Function getBytesExpected

index.js:583–592

(headers)

}

function getBytesExpected(headers) {
  var contentLength = headers['content-length'];
  if (contentLength) {
    return parseInt(contentLength, 10);
  } else if (headers['transfer-encoding'] == null) {
    return 0;
  } else {
    return null;
  }
}

function beginFlush(self) {
  self.flushing += 1;