GNU bug report logs - #9586
The Windows port does not support datagram sockets

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Juanma Barranquero <lekktu <at> gmail.com>
To: Bug-Gnu-Emacs <bug-gnu-emacs <at> gnu.org>
Subject: The Windows port does not support datagram sockets
Date: Fri, 23 Sep 2011 14:12:54 +0200

Package: emacs
Severity: wishlist

This is not new. Datagram sockets were unreliable on Windows and were
disabled in 2006, during the 22.1 pretest.

Kim: "Unfortunately, I just discovered (by reading the code) that
datagram support is severely broken on Windows -- it can send
datagrams, but not receive them reliably. So datagram support should
probably be disabled too."

Stefan: "I don't know of any elisp code that uses datagram sockets, so
it's not a big deal, is it?"

(To which I would add: well, I would've programmed an elisp RADIUS
server long ago if datagrams were available on Windows, but still...)

Message #8 received at 9586 <at> debbugs.gnu.org (full text, mbox):

From: Lars Magne Ingebrigtsen <larsi <at> gnus.org>
To: Juanma Barranquero <lekktu <at> gmail.com>
Cc: 9586 <at> debbugs.gnu.org
Subject: Re: bug#9586: The Windows port does not support datagram sockets
Date: Fri, 23 Sep 2011 14:44:51 +0200

Juanma Barranquero <lekktu <at> gmail.com> writes:

> Stefan: "I don't know of any elisp code that uses datagram sockets, so
> it's not a big deal, is it?"

dns.el uses datagram sockets.

-- 
(domestic pets only, the antidote for overdose, milk.)
  bloggy blog http://lars.ingebrigtsen.no/

Message #11 received at 9586 <at> debbugs.gnu.org (full text, mbox):

From: Juanma Barranquero <lekktu <at> gmail.com>
To: Lars Magne Ingebrigtsen <larsi <at> gnus.org>
Cc: 9586 <at> debbugs.gnu.org
Subject: Re: bug#9586: The Windows port does not support datagram sockets
Date: Fri, 23 Sep 2011 15:54:22 +0200

> dns.el uses datagram sockets.

I suppose it was added after Stefan's comment (in 2006).

    Juanma

Message #14 received at 9586 <at> debbugs.gnu.org (full text, mbox):

From: Juanma Barranquero <lekktu <at> gmail.com>
To: Lars Magne Ingebrigtsen <larsi <at> gnus.org>
Cc: 9586 <at> debbugs.gnu.org
Subject: Fwd: bug#9586: The Windows port does not support datagram sockets
Date: Wed, 2 Oct 2019 00:52:26 +0200

[Message part 1 (text/plain, inline)]

(Resending, there was a typo in the debbugs address)


>> dns.el uses datagram sockets.

> I suppose it was added after Stefan's comment (in 2006).

Well, in fact dns-query does not work on Windows because datagram
sockets are still unsupported.

M-x load-library dns <RET>

M-: (dns-make-network-process "8.8.8.8")

=> Unsupported connection type

[Message part 2 (text/html, inline)]

Message #17 received at 9586 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Juanma Barranquero <lekktu <at> gmail.com>
Cc: 9586 <at> debbugs.gnu.org
Subject: Re: bug#9586: The Windows port does not support datagram sockets
Date: Wed, 02 Oct 2019 13:23:32 +0200

Juanma Barranquero <lekktu <at> gmail.com> writes:

>> dns.el uses datagram sockets.
>
> I suppose it was added after Stefan's comment (in 2006).

It was written in 2002, but perhaps it didn't land in Emacs until later.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

Message #20 received at 9586 <at> debbugs.gnu.org (full text, mbox):

From: Robert Pluim <rpluim <at> gmail.com>
To: Juanma Barranquero <lekktu <at> gmail.com>
Cc: Lars Magne Ingebrigtsen <larsi <at> gnus.org>, 9586 <at> debbugs.gnu.org
Subject: Re: bug#9586: Fwd: bug#9586: The Windows port does not support
 datagram sockets
Date: Wed, 02 Oct 2019 16:19:13 +0200

>>>>> On Wed, 2 Oct 2019 00:52:26 +0200, Juanma Barranquero <lekktu <at> gmail.com> said:

    Juanma> (Resending, there was a typo in the debbugs address)
    >>> dns.el uses datagram sockets.

    >> I suppose it was added after Stefan's comment (in 2006).

    Juanma> Well, in fact dns-query does not work on Windows because datagram
    Juanma> sockets are still unsupported.

    Juanma> M-x load-library dns <RET>

    Juanma> M-: (dns-make-network-process "8.8.8.8")

    Juanma> => Unsupported connection type

We now have the following, which will do DNS lookups, although it
doesnʼt let you specify the server.

    network-lookup-address-info is a built-in function in `C source code'.

    (network-lookup-address-info NAME &optional FAMILY)

    Look up ip address info of NAME.
    Optional parameter FAMILY controls whether to look up IPv4 or IPv6
    addresses.  The default of nil means both, symbol `ipv4' means IPv4
    only, symbol `ipv6' means IPv6 only.  Returns a list of addresses, or
    nil if none were found.  Each address is a vector of integers.

Message #23 received at 9586 <at> debbugs.gnu.org (full text, mbox):

From: Juanma Barranquero <lekktu <at> gmail.com>
To: Robert Pluim <rpluim <at> gmail.com>
Cc: Lars Magne Ingebrigtsen <larsi <at> gnus.org>, 9586 <at> debbugs.gnu.org
Subject: Re: bug#9586: Fwd: bug#9586: The Windows port does not support
 datagram sockets
Date: Wed, 2 Oct 2019 16:28:27 +0200

[Message part 1 (text/plain, inline)]

On Wed, Oct 2, 2019 at 4:19 PM Robert Pluim <rpluim <at> gmail.com> wrote:

> We now have the following, which will do DNS lookups, although it
> doesnʼt let you specify the server.
>
>     network-lookup-address-info is a built-in function in `C source code'.
>
>     (network-lookup-address-info NAME &optional FAMILY)

Thanks, I didn't know that.

Anyway, this bug report wasn't really about dns.el, but about datagram
sockets not being implemented on the Windows port. The dns.el problem is
just fallout.

[Message part 2 (text/html, inline)]

Message #26 received at 9586 <at> debbugs.gnu.org (full text, mbox):

From: Robert Pluim <rpluim <at> gmail.com>
To: Juanma Barranquero <lekktu <at> gmail.com>
Cc: Lars Magne Ingebrigtsen <larsi <at> gnus.org>, 9586 <at> debbugs.gnu.org
Subject: Re: bug#9586: Fwd: bug#9586: The Windows port does not support
 datagram sockets
Date: Wed, 02 Oct 2019 17:47:47 +0200

>>>>> On Wed, 2 Oct 2019 16:28:27 +0200, Juanma Barranquero <lekktu <at> gmail.com> said:
    Juanma> Anyway, this bug report wasn't really about dns.el, but about datagram
    Juanma> sockets not being implemented on the Windows port. The dns.el problem is
    Juanma> just fallout.

True, but the question remains: what do you need datagram sockets for?

Robert

Message #29 received at 9586 <at> debbugs.gnu.org (full text, mbox):

From: Juanma Barranquero <lekktu <at> gmail.com>
To: Robert Pluim <rpluim <at> gmail.com>
Cc: Lars Magne Ingebrigtsen <larsi <at> gnus.org>, 9586 <at> debbugs.gnu.org
Subject: Re: bug#9586: Fwd: bug#9586: The Windows port does not support
 datagram sockets
Date: Wed, 2 Oct 2019 18:06:44 +0200

[Message part 1 (text/plain, inline)]

I don't need them for anything specific. It's just a capability that works
on GNU/Linux and not on Windows.

And that's why I updated this bug report, to mark that it wasn't obsolete.

[Message part 2 (text/html, inline)]

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