deny-all authorization policy 2) Apply prouctpage-viewer policy 3) Apply details-viewer policy 4) Apply reviews-viewer policy 5) Apply ratings-viewer policy 6. Authorize in mesh traffic 1) Apply deny-all deny-all authorization policy 2) Apply prouctpage-viewer policy 3) Apply details-viewer policy 4) Apply reviews-viewer policy 5) Apply ratings-viewer policy Redeploy bookinfo sample services with http deny-all authorization policy 2) Apply prouctpage-viewer policy 3) Apply details-viewer policy 4) Apply reviews-viewer policy 5) Apply ratings-viewer policy 6. Authorize in mesh traffic #IstioCon

shared_lock 同样支持 defer_lock 做参数 ， owns_lock() 判断等，同学们自己研究 。 只需一次性上锁，且符合 RAII 思想：访问者模式 Accessor 或者说 Viewer 模式，王鑫磊常用于设计 GPU 容器 OpenVDB 数据结构的访问，也是采用了 Accessor 的设计…… 并且还有 ConstAccessor 和 Accessor 两种，分别对应于读和