rohc team mailing list archive

[Didier Barvaux <didier@xxxxxxxxxxx>]

Yakir,

How does the fixes behave on your setup?

Regards,
Didier

Le Tue, 26 Jun 2018 18:45:25 +0200,
Didier Barvaux <didier@xxxxxxxxxxx> a écrit :

> Yakir,
> 
> I've looked at it. There is indeed some problems in case of heavy
> loss.
> 
> I fixed the problems in a dedicated development branch. It should
> solve your problem. Could you please give it a try?
> 
> The branch 'dev_be_more_robust_to_pkt_loss' is available on Github.
> You may retrieve the source code and build it as follow:
>  $ git clone https://github.com/didier-barvaux/rohc.git
>  $ git co dev_be_more_robust_to_pkt_loss
>  $ ./autogen.sh
>  $ ./configure <your options>
>  $ make all
> 
> Regards,
> Didier
> 
> 
> Le Fri, 15 Jun 2018 04:52:07 +0000,
> Yakir Matusovsky <yakir.matusovsky@xxxxxxxxxxx> a écrit :
> 
> > Hi, following up any insight over the sent capture? Any additional
> > info about the system required?
> > 
> > Regards,
> > Yakir 
> > 
> > On 11/06/18, 10:01 AM, "Yakir Matusovsky"
> > <yakir.matusovsky@xxxxxxxxxxx> wrote:
> > 
> >     I've attached the capture. I thought my team's previous
> > experiment was quite heavy for the network to handle, so it might
> > have been stuck for other reasons. Made the rate twice slower,
> > capture is attached. Maybe this is to do with my traffic, sides
> > report lots of BAD CRC and MALFORMED though don't get stuck.
> > +Re-rohc_sniffer+ Can't build rohc_sniffer, when try building with
> > for gcc, I get stuck into general rohc-2.1.0 build issue. This is
> > it, test_tcp_ts_opt.c: In function ‘main’: test_tcp_ts_opt.c:143:26:
> > error: array type has incomplete element type ‘struct CMUnitTest’
> > const struct CMUnitTest tests[] = { 
> >     Strange, as I did build it with cmocka-0.3.2 before and it
> > doesn't have CMUnitTest struct?! Might be an inclusion problem and
> > change is sources, e.g. cmocka.h.  I reckon one thing which can
> > explain it, that I've started using cmocka-1.1.1 as well, for other
> > apps. A mix-up maybe... The most annoying thing here is, that even
> > when tried to change the cmocka to 1.1.1 it persists in
> > configure/build scripts of the rohc-2.1.0 package. I am not sure how
> > to clean the library properly, please advise? Regards, Yakir On
> > 10/06/18, 1:15 AM, "Didier Barvaux" <didier@xxxxxxxxxxx> wrote: 
> >           
> >         >Nope. I did not enable it in features and I do set arrival
> >         >time before compress4. I now see that I should have enabled
> >         >it but that wouldn't have helped me much as I'd originally
> >         >intended this for traffic moving in O-Mode. From reading
> >         >the lib code, I see this is done only for U-Mode, which
> >         >makes sense. Correct?    
> >         
> >         Yes, your understanding is correct. Regular context
> > refreshes are not used in O-Mode.   
> >         > Anyway, my O-Mode sessions do get
> >         >stuck sometimes, e.g. when opening a remote SSH/TCP and
> >         >doing e.g. "top" every sec in it. Originally, I thought to
> >         >quickly try that "time refresh" to maybe find why the
> >         >contexts get stuck(?) in this state.    
> >         
> >         Are there any decompression failures reported by the
> > rohc_decompress3() function? 
> >         Is the problem reproducible ? If yes, please send me a
> > network capture of the uncompressed SSH session that gets stuck. 
> >         You may also run the sniffer application (found under
> > app/sniffer/ in library sources) to check the correct
> > compression/decompression of any traffic captured on a given network
> > interface. All streams are recorded on disk, so in case of failure,
> > the faulty stream may be used for analysis/debug. See
> > https://rohc-lib.org/support/documentation/API/rohc-man-2.2.0/man1/rohc_sniffer.1.html
> > for more information. Regards, Didier 
> >   
> 
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