ok, sorry...
(tcp-connect hostname
port-no
[local-hostname
local-port-no]) → input-port? output-port?
If hostname already resolves to an IPv6 address, you are done - to test
(locally):
In /etc/hosts, add something like
127.0.0.1 localhostipv4
::1 localhostipv6
then open a connection to localhostipv6. That'll get you via an IPv6 interface
- which one I don't know since there is no scope Id you can specify in the call
to connect!
Another way is to set local-hostname to localhostipv6, but then you can not
leave local-port-no unspecified (I don't have any idea why that is so; I don't
see any reason prescribed by IPv6 for it) which has ugly side effects (such as
the one that you can't reopen the connection with the same local port unless
TCP has nuked the old one completly which may take a while; also, there is not
really a way to figure out if a port you select is in use or not).
For test purposes it works, but it appears that there is work left to be done...
----- Original Message -----
From: Grant Rettke
To: Rüdiger Asche
Cc: users@racket-lang.org
Sent: Sunday, May 06, 2012 5:42 PM
Subject: Re: [racket] tcp-connect and IPv6...
What was the answer?
On Sun, May 6, 2012 at 3:45 AM, Rüdiger Asche <r...@ruediger-asche.de> wrote:
well I could have answered that myself (I did, eventually)... sorry for the
noise...
----- Original Message ----- From: "Rüdiger Asche" <r...@ruediger-asche.de>
To: <users@racket-lang.org>
Sent: Friday, May 04, 2012 3:10 PM
Subject: [racket] tcp-connect and IPv6...
Hi there,
is there a way on Racket to force an outgoing TCP connection
(tcp-coonect) to go through an IPv6 interface on a multihomed machine?
Thanks!
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