Method appendQuery

plugins/cachekey/cachekey.cc:639–674

* @brief Append query parameters by following the rules specified in the query configuration object. * @param config query configuration containing information about which query parameters need to be appended to the key. * @note Keep the query parameters in the "query part" (RFC 3986). */

 * @note Keep the query parameters in the "query part" (RFC 3986).
 */
void
CacheKey::appendQuery(const ConfigQuery &config)
{
  /* No query parameters in the cache key? */
  if (config.toBeRemoved()) {
    return;
  }

  const char *query;
  int         length;

  query = TSUrlHttpQueryGet(_buf, _url, &length);
  if (query == nullptr || length == 0) {
    return;
  }

  /* If need to skip all other rules just append the whole query to the key. */
  if (config.toBeSkipped()) {
    _key.append("?");
    _key.append(query, length);
    return;
  }

  /* Use the corresponding container based on whether we need
   * to sort the parameters (set) or keep the order (list) */
  String keyQuery;
  if (config.toBeSorted()) {
    keyQuery = getKeyQuery<StringSet>(query, length, config);
  } else {
    keyQuery = getKeyQuery<StringList>(query, length, config);
  }

  if (!keyQuery.empty()) {
    _key.append(keyQuery);
  }
}

/**
 * @brief Append User-Agent header captures specified in the Pattern configuration object.