Function getPristineUrlQuery

plugins/prefetch/plugin.cc:330–349

* @brief get the pristin URL querystring * * @param txnp HTTP transaction structure * @return pristine URL querystring */

 * @return pristine URL querystring
 */
static String
getPristineUrlQuery(TSHttpTxn txnp)
{
  String    pristineQuery;
  TSMLoc    pristineUrlLoc;
  TSMBuffer reqBuffer;

  if (TS_SUCCESS == TSHttpTxnPristineUrlGet(txnp, &reqBuffer, &pristineUrlLoc)) {
    int         queryLen = 0;
    const char *query    = TSUrlHttpQueryGet(reqBuffer, pristineUrlLoc, &queryLen);
    if (nullptr != query) {
      PrefetchDebug("query: '%.*s'", queryLen, query);
      pristineQuery.assign(query, queryLen);
    }
    TSHandleMLocRelease(reqBuffer, TS_NULL_MLOC, pristineUrlLoc);
  } else {
    PrefetchError("failed to get pristine URL");
  }
  return pristineQuery;
}

static constexpr StringView CmcdHeader{"Cmcd-Request"};
static constexpr StringView CmcdNorFieldPrefix{"nor="};