how to create adhoc network using wifi module?

i have ESP8266 module.
I want create an ad hoc network for following image. Node locations maybe changed.
I need an algorithm to solve this problem.
Please help me.

Your diagram suggests wired communication. Your title states wifi. Which participants are connected by wire, and which by wifi?

yes

http://www.esp8266.com/viewtopic.php?f=6&t=1929

thanks your replies
All nodes are ESP8266 . all connection are wireless. All nodes have mobility .
I want to create manually ad hoc network Using this module and a microcontroller in addition.