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Re: Problems with running Network Socket Examples
From: |
tomas |
Subject: |
Re: Problems with running Network Socket Examples |
Date: |
Sun, 10 Dec 2023 13:44:33 +0100 |
On Sun, Nov 26, 2023 at 09:59:58PM +0100, Erik Grun wrote:
> Hello, Guile-Devel,
>
> I just can't get the Network Socket Examples[1] to work. I am using Guile
> 3.0.7.
>
> An obvious mistake seems to be, that the docs use different ports for client
> (80) and server (2904), but even if I use the same port (2904), I only get
> this error message:
>
> Backtrace:
> In ice-9/boot-9.scm:
> 1752:10 6 (with-exception-handler _ _ #:unwind? _ # _)
> In unknown file:
> 5 (apply-smob/0 #<thunk 7f5e06560f60>)
> In ice-9/boot-9.scm:
> 724:2 4 (call-with-prompt _ _ #<procedure default-prompt-handle…>)
> In ice-9/eval.scm:
> 619:8 3 (_ #(#(#<directory (guile-user) 7f5e06559c80>)))
> In ice-9/boot-9.scm:
> 2835:4 2 (save-module-excursion _)
> 4380:12 1 (_)
> In /home/egnun/client.scm:
> 7:14 0 (_)
>
> /home/egnun/client.scm:7:14: Unbound variable: read-line
>
> After some research I found out, that I need to include this line.
> (use-modules (ice-9 rdelim))
Yes, I'd consider both of the above as downright doc bugs: the missing
of (ice-9 rdelim) in the client code and letting the client aim at a
different port the server is set up to listen to.
As for the third...
> When I do that, it seems to kinda work?
>
> Hello client
> Backtrace:
[...]
> ERROR: In procedure %read-line:
> In procedure fport_read: Connection was reset by peer
... it is working "as it is supposed to": the server closes the
connection after sending the reply -- the client isn't set up
to expect this and complains (note that it dutifully prints the
server's answer "Hello client" before).
So this one is confusing, but we'd need a bit more of discussion
on how to "fix" it without complicating the examples too much.
Ideas?
Cheers
--
t
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- Re: Problems with running Network Socket Examples,
tomas <=