[boost] [Boost] file transfer

I recently started learning asio. Documentation is very awesome.  I am planing to make a server where there is a file base. And client can login or connect and access the file.. is this possible. I am unable to send data from client to server.. server can sent but vise versa is not implemented by me.. i am trying.. if any body can point me a direction.. it will be much helpful Thank you Regards V Sent from Samsung Mobile