Method HandleUpdateCachedObject

src/proxy/http/HttpTransact.cc:3507–3533

////////////////////////////////////////////////////////////////////////// Name : HandleUpdateCachedObject Description: called from the state machine when we are going to modify headers without any server contact. Details : this function does very little. mainly to satisfy the call_transact_and_set_next format and not affect the performance of the non-invalidate operations, which are the

//
///////////////////////////////////////////////////////////////////////////////
void
HttpTransact::HandleUpdateCachedObject(State *s)
{
  if (s->cache_info.write_lock_state == HttpTransact::CACHE_WL_SUCCESS) {
    ink_assert(s->cache_info.object_store.valid());
    ink_assert(s->cache_info.object_store.response_get() != nullptr);
    ink_assert(s->cache_info.object_read != nullptr);
    ink_assert(s->cache_info.object_read->valid());

    if (!s->cache_info.object_store.request_get()) {
      s->cache_info.object_store.request_set(s->cache_info.object_read->request_get());
    }
    s->request_sent_time      = s->cache_info.object_read->request_sent_time_get();
    s->response_received_time = s->cache_info.object_read->response_received_time_get();
    if (s->api_update_cached_object == UPDATE_CACHED_OBJECT_CONTINUE) {
      TRANSACT_RETURN(SM_ACTION_CACHE_ISSUE_UPDATE, HttpTransact::HandleUpdateCachedObjectContinue);
    } else {
      TRANSACT_RETURN(SM_ACTION_CACHE_ISSUE_UPDATE, HttpTransact::HandleApiErrorJump);
    }
  } else if (s->api_update_cached_object == UPDATE_CACHED_OBJECT_CONTINUE) {
    // even failed to update, continue to serve from cache
    HandleUpdateCachedObjectContinue(s);
  } else {
    s->api_update_cached_object = UPDATE_CACHED_OBJECT_FAIL;
    HandleApiErrorJump(s);
  }
}

void
HttpTransact::HandleUpdateCachedObjectContinue(State *s)