Re: [Boost-users] Why cannot asio tcp socket server detect TCP disconnection when the client device lost power?

Subject: Re: [Boost-users] Why cannot asio tcp socket server detect TCP disconnection when the client device lost power?
From: niXman (i.nixman_at_[hidden])
Date: 2017-06-29 12:51:07

jupiter via Boost-users 2017-06-29 15:41:

Hi,

> I have a connection map in my server as part of monitoring system to 
> trace
> down the client connections. If the server can be notified by kernel 
> for a
> client falling off, that will be
> good to use a callback errorHandler to clean up the socket connection 
> as
> well as the connection map automatically.

You should inherit the enable_shared_from_this<your session class>, and 
in async ops in your session class you should use shared_from_this() 
when start async ops.

For monitoring your session you should use map/any_container with 
weak_ptrs, not shared_ptrs.

-- 
Regards, niXman
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