ra

[asu126]

http://rabbitmq.mr-ping.com/tutorials_with_python/[3]Publish_Subscribe.html

[asu126]

https://www.cnblogs.com/luxiaoxun/p/3918054.html

[asu126]

web socket clients: https://stackoverflow.com/questions/13364243/websocketserver-node-js-how-to-differentiate-clients