static int req_dispatch(lua_State* L) {
    request_rec* r = check_request_rec(L, 1);
    const char *name = luaL_checkstring(L, 2);
    ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, "dispatching %s", name);
    lua_pop(L, 2);

    lua_getfield(L, LUA_REGISTRYINDEX, "Apache2.Request.dispatch");
    apr_hash_t* dispatch = lua_touserdata(L, 1);
    lua_pop(L, 1);

    req_fun_t* rft = apr_hash_get(dispatch, name, APR_HASH_KEY_STRING);
    if (rft) {
        ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, "rft -> %d, type -> %d", (int)rft, rft->type);
        switch(rft->type) {
            case APW_REQ_FUNTYPE_LUACFUN: {
                ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, "%s -> lua_CFunction", name);
                lua_CFunction func = rft->fun;
                lua_pushcfunction(L, func);
                return 1;
            }
            case APW_REQ_FUNTYPE_STRING: {
                ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, "%s -> string", name);
                req_field_string_f func = rft->fun;
                char* rs = (*func)(r);
                lua_pushstring(L, rs);
                return 1;
            }
            case APW_REQ_FUNTYPE_INT: {
                ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, "%s -> int", name);
                req_field_int_f func = rft->fun;
                int rs = (*func)(r);
                lua_pushnumber(L, rs);
                return 1;
            }
            case APW_REQ_FUNTYPE_BOOLEAN: {
                ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, "%s -> boolean", name);
                req_field_int_f func = rft->fun;
                int rs = (*func)(r);
                lua_pushboolean(L, rs);
                return 1;
            }
        }
    }

    ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, "nothing for %s", name);
    return 0;
}