ngx_int_t
ngx_http_lua_body_filter_inline(ngx_http_request_t *r, ngx_chain_t *in)
{
    lua_State                   *L;
    ngx_int_t                    rc;
    ngx_http_lua_main_conf_t    *lmcf;
    ngx_http_lua_loc_conf_t     *llcf;
    char                        *err;

    llcf = ngx_http_get_module_loc_conf(r, ngx_http_lua_module);
    lmcf = ngx_http_get_module_main_conf(r, ngx_http_lua_module);

    L = lmcf->lua;

    /*  load Lua inline script (w/ cache) sp = 1 */
    rc = ngx_http_lua_cache_loadbuffer(L, llcf->body_filter_src.value.data,
            llcf->body_filter_src.value.len, llcf->body_filter_src_key,
            "body_filter_by_lua", &err, llcf->enable_code_cache ? 1 : 0);

    if (rc != NGX_OK) {
        if (err == NULL) {
            err = "unknown error";
        }

        ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                "Failed to load Lua inlined code: %s", err);

        return NGX_HTTP_INTERNAL_SERVER_ERROR;
    }

    rc = ngx_http_lua_body_filter_by_chunk(L, r, in);

    dd("body filter by chunk returns %d", (int) rc);

    if (rc != NGX_OK) {
        return NGX_ERROR;
    }

    return NGX_OK;
}
ngx_int_t
ngx_http_lua_content_handler_inline(ngx_http_request_t *r)
{
    lua_State                   *L;
    ngx_int_t                    rc;
    ngx_http_lua_loc_conf_t     *llcf;

    llcf = ngx_http_get_module_loc_conf(r, ngx_http_lua_module);

    L = ngx_http_lua_get_lua_vm(r, NULL);

    /*  load Lua inline script (w/ cache) sp = 1 */
    rc = ngx_http_lua_cache_loadbuffer(r, L, llcf->content_src.value.data,
                                       llcf->content_src.value.len,
                                       llcf->content_src_key,
                                       "=content_by_lua");
    if (rc != NGX_OK) {
        return NGX_HTTP_INTERNAL_SERVER_ERROR;
    }

    return ngx_http_lua_content_by_chunk(L, r);
}
ngx_int_t
ngx_http_lua_header_filter_inline(ngx_http_request_t *r)
{
    lua_State                   *L;
    ngx_int_t                    rc;
    ngx_http_lua_loc_conf_t     *llcf;

    llcf = ngx_http_get_module_loc_conf(r, ngx_http_lua_module);

    L = ngx_http_lua_get_lua_vm(r, NULL);

    /*  load Lua inline script (w/ cache) sp = 1 */
    rc = ngx_http_lua_cache_loadbuffer(L, llcf->header_filter_src.value.data,
                                       llcf->header_filter_src.value.len,
                                       llcf->header_filter_src_key,
                                       "header_filter_by_lua");
    if (rc != NGX_OK) {
        return NGX_ERROR;
    }

    dd("calling header filter by chunk");

    return ngx_http_lua_header_filter_by_chunk(L, r);
}