export const SESSION = Object.freeze({ OPENED: 0, // nothing sent/recved yet READY: 1, // init complete CLOSED: 2, // socket closed, but we might continute this same session on another socket }); export const EVENT = Object.freeze({ PREDRAW: 10, STROKE: 20, UNDO: 30, REDO: 31, }); export const MESSAGE = Object.freeze({ INIT: 100, SYN: 101, ACK: 102, FULL: 103, FIRE: 104, JOIN: 105, }); export const SNS = Object.freeze({ DESK: 1, SESSION: 2, });