Function addTransform

plugins/esi/esi.cc:1457–1516

}

static bool
addTransform(TSHttpTxn txnp, const bool processing_os_response, const bool intercept_header, const bool head_only,
             const OptionInfo *pOptionInfo)
{
  TSCont    contp     = nullptr;
  ContData *cont_data = nullptr;

  contp = TSTransformCreate(transformHandler, txnp);
  if (!contp) {
    TSError("[esi][%s] Error while creating a new transformation", __FUNCTION__);
    goto lFail;
  }

  cont_data = new ContData(contp, txnp, pOptionInfo);
  TSContDataSet(contp, cont_data);

  cont_data->cache_txn        = !processing_os_response;
  cont_data->intercept_header = intercept_header;
  cont_data->head_only        = head_only;
  cont_data->getClientState();
  cont_data->getServerState();

  if (cont_data->cache_txn) {
    if (cont_data->option_info->packed_node_support) {
      if (cont_data->input_type != DATA_TYPE_PACKED_ESI) {
        removeCacheKey(txnp);
      }
    } else {
      if (cont_data->input_type == DATA_TYPE_PACKED_ESI) {
        removeCacheKey(txnp);
      }
    }
  }

  TSHttpTxnHookAdd(txnp, TS_HTTP_RESPONSE_TRANSFORM_HOOK, contp);

  if (!addSendResponseHeaderHook(txnp, cont_data)) {
    TSError("[esi][%s] Couldn't add send response header hook", __FUNCTION__);
    goto lFail;
  }

  TSHttpTxnTransformedRespCache(txnp, 0);
  if (cont_data->option_info->packed_node_support) {
    TSHttpTxnUntransformedRespCache(txnp, 0);
  } else {
    TSHttpTxnUntransformedRespCache(txnp, 1);
  }

  Dbg(dbg_ctl_local, "[%s] Added transformation (0x%p)", __FUNCTION__, contp);
  return true;

lFail:
  if (contp) {
    TSContDestroy(contp);
  }
  if (cont_data) {
    delete cont_data;
  }