Introduction - If you have any usage issues, please Google them yourself
C S-> (client status)// not initialized-> data = nil// has been initialized-> data = TClientInfo// ongoing interaction- (request room information, the request is the beginning of the room Information) the beginning of---------------------------------------> <------- Room information request---------------------------------------------- results------------------> <------------------------------------- Results (more than) a request to enter the room---------------------------------> < -------------------------------------{ success (Notices): inform the other person-> entering notification Information request)-----------------------------> <-------------- room----------------------- /.............../......... results ..../ /.........................../ notice to withdraw from the room off the assembly line----------- to inform the other person---------------------------> -> leave notice