[Mono-dev] TCP Async

[Rodrigo Kumpera]

Hi Greg,

As we're approaching the 2.12 release date, it would be superb if you could
file bugs with
test cases for your issues. I do want to ensure that mono parallel stack is
stable.

You can attach a test case as private if you can't disclosure it.


On Thu, Aug 9, 2012 at 2:01 AM, Greg Young <gregoryyoung1 at gmail.com> wrote:

> Actually its worse than that. We have found that *anything that uses
> callbacks* suffers from the same problems (eg any async API, say a
> timer).
>
> We have looked at writing our own socket library but the scope of
> these bugs is amazing.
>
> On Thu, Aug 9, 2012 at 9:00 AM, gelin yan <dynamicgl at gmail.com> wrote:
> >
> >
> > On Thu, Aug 9, 2012 at 1:47 PM, Greg Young <gregoryyoung1 at gmail.com>
> wrote:
> >>
> >> An update to this. Some of the failures have been taken away (also
> >> with our patch mentioned). However simple test apps using sockets (or
> >> it appears any callbacks) in mono are not stable.
> >>
> >> This I would imagine prevent most from actually being able to use mono
> >> for any serious work.
> >>
> >> Greg
> >>
> >> On Sun, Jul 22, 2012 at 7:20 AM, Gonzalo Paniagua Javier
> >> <gonzalo.mono at gmail.com> wrote:
> >> > On Tue, Jul 17, 2012 at 7:49 AM, Greg Young <gregoryyoung1 at gmail.com>
> >> > wrote:
> >> >> Hey all.
> >> >>
> >> >> As this is a big issue for us and I feel a huge problem for mono in
> >> >> general
> >> >> at this point as it means sockets basically dont work which is a
> strong
> >> >> point of unix environments, I would like to propose something I have
> >> >> done in
> >> >> the past. I am willing to offer a bounty (personally) for a working
> fix
> >> >> to
> >> >> this section of code of $500 usd (more if done quickly).
> >> >>
> >> >> Acceptance criteria is the included test working in a stable fashion
> in
> >> >> Linux / bsd but just Linux is acceptable as well,
> >> >
> >> > Hi Greg.
> >> >
> >> > I have the test working with a tiny little change in mono master
> >> > (applies cleanly to mono-2-10) *and* a change in your test code to
> >> > avoid using ConcurrentQueue (I keep getting array index out of bounds
> >> > here).
> >> > The change to your test code is here: https://gist.github.com/3158357
> >> >
> >> > Last line before I interrupted the test (server):
> >> > # Total connections: 100. Out:   3778.3kb/s  In:   3549.7kb.s  Pending
> >> > Send: 0  In Send: 0  Pending Received: 0
> >> >
> >> > Last line before I interrupted the test (client):
> >> > # Total connections: 100. Out:   3548.5kb/s  In:   3851.7kb.s  Pending
> >> > Send: 10278  In Send: 45359  Pending Received: 0
> >> >
> >> > Can you make the payment through Paypal? :-)
> >> >
> >> > -Gonzalo
> >>
> >>
> >>
> >> --
> >> Le doute n'est pas une condition agréable, mais la certitude est
> absurde.
> >> _______________________________________________
> >> Mono-devel-list mailing list
> >> Mono-devel-list at lists.ximian.com
> >> http://lists.ximian.com/mailman/listinfo/mono-devel-list
> >
> >
> >
> > Hi All
> >
> >    Last year, I did try to port my program on mono. This program use
> socket
> > extensively. It worked on .net flawlessly but raised many arcane
> exceptions
> > & assertion errors with mono.  Many exceptions were related to GC &
> threads.
> >
> >       It would be not easy to debug without a clue so finally I had to
> give
> > up using mono for this purpose. I have searched mono, socket on google
> > however there are no more further info. I doubt maybe just maybe people
> here
> > are not interested in using mono with TCP/UDP directly. If they need,
> they
> > might consider using platform-specified API to fulfill their purposes.
> >
> > Regards
> >
> > gelin yan
> >
> > _______________________________________________
> > Mono-devel-list mailing list
> > Mono-devel-list at lists.ximian.com
> > http://lists.ximian.com/mailman/listinfo/mono-devel-list
> >
>
>
>
> --
> Le doute n'est pas une condition agréable, mais la certitude est absurde.
> _______________________________________________
> Mono-devel-list mailing list
> Mono-devel-list at lists.ximian.com
> http://lists.ximian.com/mailman/listinfo/mono-devel-list
>
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