jimmyken/chat-online

chat-online

Name

It is chat online demo base on durap

And durap is a framework base on openresty

DEMO

http://chat.qinxunw.com

IE >= 9; chrome; safari supported

just a demo

most 1 second delay now; can be realtime when cosocket support full duplex

Description

Multi-client (one user); group chat; online status; unread num supported

messages saved in mysql

messages sent via websocket or longpoll base on redis pub/sub

in longpoll, lua will start an background thread by 0 delay timer, the thread subscribe channel and push to a list; and longpoll request will blpop from the list

redis datatype

last contact:

sorted set;         user contact timestamp;     user group timestamp

online status:

(user)          hash        user client timestamp
(global)        hash        global_key user timestamp

unread number

hash        user contact num

group relation

(user-group)    set     user group
(group-user)    set     group user

realtime

pub/sub         channel: user or group      group messages sent via group channel

and other ...

License

This software is distributed under Apache License Version 2.0, see file LICENSE or http://www.apache.org/licenses/LICENSE-2.0