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Hi Brandom.
On Tue, 13 Oct 2015 10:08:27 -0400
Brandon McCaig <bamcc...@gmail.com> wrote:
> On Tue, Oct 13, 2015 at 6:34 AM, David Emanuel da Costa Santiago
> <deman...@gmail.com> wrote:
> > Hi!
>
> Hello,
>
> > THanks for your suggestion.
>
> I assume this was off-list because I didn't get it. Also consider
> bottom-posting or interleaved posting for easier reading.
Noted.
>
> > I changed my code to:
> >
> > sub _read_from_socket{
> > my ($select) = @_;
> >
> > my ($output, $buffer) = ('', '');
> > my $socket = undef;
> > do {
> > $socket = ($select->can_read(0.1))[0];
> > } while (!defined $socket);
>
> You're essentially manually blocking your code here. Until you can
> read the program will be stuck in that loop, blocked/hung. It's no
> different than just reading without IO::Select (which probably wastes
> fewer CPU cycles too).
Thanks. I'll remove the select, and leave the read (it was how i had
it before).
>
> In general it would depend on the protocol you're using. _Should_
> there always be data when you go to read or could the remote end have
> nothing to send you? You can try to rearrange your program to handle
> the case when there is no data. Instead of looping until can_read(),
> try printing or logging a diagnostic message and either moving on to
> other work, putting the program to sleep to try again after some
> period of time, or exit 1.
>
> Perhaps your troubles aren't code and are instead network stability.
> If your network isn't stable enough to receive the packets then there
> isn't much you can do within software to fix it.
>
Yes i also believe so.
Thanks!
David Santiago
>
>
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