rnews processes sleeping on connect

Russ Allbery rra at stanford.edu
Sun Dec 11 23:34:27 UTC 2005

Nick Burrett <nick at sqrt.co.uk> writes:

> INN version 2.4.1, destination news server is INN 2.4.0.

> The use of 'fgets' in lib/remopen.c::NNTPconnect() occasionally gets
> stuck whilst waiting for a reponse string from the news server, during a
> run of 'rnews':


> Would it not be better to simply to use the unbuffered read() function
> directly on the socket descriptor rather than buffering through stdio ? 
> At least in the case of the former, we could apply better timeouts to
> the read operations, or close off a read-operation quicker if we start
> to receive unexpected information.

The hard part of this is that then the read needs to be repeated until we
see a newline.  However, I think that should be possible to do without too
much trouble.  I'll look at making that change.

The right long-term solution is to use the new NNTP library, but that's a
bigger change.

Thanks for the report!

Russ Allbery (rra at stanford.edu)             <http://www.eyrie.org/~eagle/>

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