From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Matti Suominen <matti.suominen@wapice.com>
Cc: "Lassi Niemistö" <lassi.niemisto@wapice.com>,
"xenomai@xenomai.org" <xenomai@xenomai.org>
Subject: Re: [Xenomai] A fix to few generic issues in rttcp stack
Date: Thu, 31 Mar 2016 18:22:35 +0200 [thread overview]
Message-ID: <20160331162235.GD4744@hermes.click-hack.org> (raw)
In-Reply-To: <20160331104409.GC4744@hermes.click-hack.org>
On Thu, Mar 31, 2016 at 12:44:09PM +0200, Gilles Chanteperdrix wrote:
> TCP is disabled in Xenomai 3 rtnet. The main problem is that
> creating a socket in Xenomai 3 requires switching to secondary mode,
> so the "accept" service seems hard to implement without leaving
> primary mode. Given the fact that TCP can not be a deterministic
> protocol, I planned to drop TCP support in the next RTnet iteration.
> If you require to send messages over TCP from a thread running in
> primary mode, you should rather pass the message using an XDDP
> socket to a thread running in secondary mode and using plain linux
> TCP sockets. You will not get more determinism with TCP in RTnet.
The question I guess, is, why do you need rttcp ? If you really need
it, then we will have to find a solution for the "accept" problem.
Keeping a pool of sockets ready for instance.
--
Gilles.
https://click-hack.org
next prev parent reply other threads:[~2016-03-31 16:22 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-31 10:33 [Xenomai] A fix to few generic issues in rttcp stack Matti Suominen
2016-03-31 10:44 ` Gilles Chanteperdrix
2016-03-31 16:22 ` Gilles Chanteperdrix [this message]
2016-04-01 9:36 ` Matti Suominen
2016-04-01 10:40 ` Gilles Chanteperdrix
2016-04-03 19:09 ` Gilles Chanteperdrix
2016-04-30 6:49 ` Gilles Chanteperdrix
2016-05-02 6:32 ` Matti Suominen
2016-05-02 7:10 ` Gilles Chanteperdrix
2016-05-03 4:54 ` Matti Suominen
2016-05-03 5:55 ` Gilles Chanteperdrix
2016-06-13 14:01 ` [Xenomai] PowerPC hardware watchpoints unstable with GDB and Xenomai Lassi Niemistö
2016-06-13 14:30 ` Gilles Chanteperdrix
2016-06-13 15:14 ` Lassi Niemistö
2016-06-13 15:20 ` Gilles Chanteperdrix
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