It is chat online demo base on durap
And durap is a framework base on openresty
IE >= 9; chrome; safari supported
just a demo
most 1 second delay now; can be realtime when cosocket support full duplex
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
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 ...
This software is distributed under Apache License Version 2.0, see file LICENSE or http://www.apache.org/licenses/LICENSE-2.0