Re: [Boost-users] asio ip::tcp::socket::read(), always returns end of file

Subject: Re: [Boost-users] asio ip::tcp::socket::read(), always returns end of file
From: Igor R (boost.lists_at_[hidden])
Date: 2011-06-06 07:10:39

> Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â boost::asio::read(sock,b);
> Â  Â  Â  Â  Â  Â  Â  Â }
> Â  Â  Â  Â  Â  Â  Â  Â catch(exception& e)
> Â  Â  Â  Â  Â  Â  Â  Â {
> Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â cout<<e.what()<<endl; //"This exception is thrown always-> "End of file"
> Â  Â  Â  Â  Â  Â  Â  Â }

So your peer sends some data and closes the socket.
asio::read() reads this data, and then throws the exception. What
behavior would you expect?

Please note that this is the *only* way this overload can complete.
Otherwise, it would just block forever.
http://www.boost.org/doc/libs/1_46_1/doc/html/boost_asio/reference/read/overload4.html