/**
  * Set Port on sampler
  *
  * @param sampler {@link HTTPSamplerBase}
  * @param request {@link HttpRequestHdr}
  */
 protected void computePort(HTTPSamplerBase sampler, HttpRequestHdr request) {
   sampler.setPort(request.serverPort());
   if (log.isDebugEnabled()) {
     log.debug("Proxy: setting port: " + sampler.getPort());
   }
 }