Hi friends,
I want to implement back off time . I mean I want a node received a packet 
do not do anything for especial time( for example 1 second)and then checks if 
it receives same packet
do not broadcast it.

for it I should use time handler function. but i do not know how to invoke time 
in another function.
I mean I do not know how to use it in receive function( when node receives a 
packet stops sending for especial time)
any help will be appreciate
thanks
regards

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