Re: [Boost-users] Socket iostream Question

Subject: Re: [Boost-users] Socket iostream Question
From: Rudolf Leitgeb (r.leitgeb_at_[hidden])
Date: 2009-04-01 03:21:27

> Diagnosing and reporting failures connecting to servers are  
> problematic.
> Basically, if a connect fails, the only way to know about it is to  
> check the
> fail bit of the iostream. It would be nice to know why a client is  
> unable to
> connect. So, to that end, I thought I could construct the iostream  
> object
> via the default constructor, grab its streambuf via the rdbuf() call  
> and in
> turn grab a basic_socket object reference to the streambuf and then  
> call
> connect() on it, i.e.,

Wouldn't it be easier to extract the fileno from the stream and query
the error with getsockopt ? With this approach you could stay fully
asynchronous yet get the real error code if a connection attempt fails.