Function removeCacheKey

plugins/esi/esi.cc:531–589

}

static bool
removeCacheKey(TSHttpTxn txnp)
{
  TSMBuffer  req_bufp;
  TSMLoc     req_hdr_loc;
  TSMLoc     url_loc  = nullptr;
  TSCont     contp    = nullptr;
  TSCacheKey cacheKey = nullptr;
  bool       result   = false;

  if (TSHttpTxnClientReqGet(txnp, &req_bufp, &req_hdr_loc) != TS_SUCCESS) {
    TSError("[esi][%s] Error while retrieving client request", __FUNCTION__);
    return false;
  }

  do {
    if (TSHttpTxnPristineUrlGet(txnp, &req_bufp, &url_loc) != TS_SUCCESS) {
      TSError("[esi][%s] Error while retrieving hdr url", __FUNCTION__);
      break;
    }

    contp = TSContCreate(removeCacheHandler, nullptr);
    if (contp == nullptr) {
      TSError("[esi][%s] Could not create continuation", __FUNCTION__);
      break;
    }

    cacheKey = TSCacheKeyCreate();
    if (cacheKey == nullptr) {
      TSError("[esi][%s] TSCacheKeyCreate fail", __FUNCTION__);
      break;
    }

    if (TSCacheKeyDigestFromUrlSet(cacheKey, url_loc) != TS_SUCCESS) {
      TSError("[esi][%s] TSCacheKeyDigestFromUrlSet fail", __FUNCTION__);
      break;
    }

    TSCacheRemove(contp, cacheKey);
    result = true;
    TSError("[esi][%s] TSCacheRemoved", __FUNCTION__);
  } while (false);

  if (cacheKey != nullptr) {
    TSCacheKeyDestroy(cacheKey);
  }
  if (!result) {
    if (contp != nullptr) {
      TSContDestroy(contp);
    }
  }

  TSHandleMLocRelease(req_bufp, req_hdr_loc, url_loc);
  if (req_hdr_loc != nullptr) {
    TSHandleMLocRelease(req_bufp, TS_NULL_MLOC, req_hdr_loc);
  }

  return result;