[Mono-dev] TCP Async

[Greg Young]

We already have put it here with some associated fixes.

On Thu, Aug 9, 2012 at 7:48 AM, Rodrigo Kumpera <kumpera at gmail.com> wrote:
> 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
>
>



-- 
Le doute n'est pas une condition agréable, mais la certitude est absurde.