[AG-TECH] MAC OS X 10.6 VpcScreen

Thomas Uram turam at mcs.anl.gov
Thu Oct 7 15:47:16 CDT 2010


It lives here and has been updated with a default TTL of 127:

https://trac.ci.uchicago.edu/if-media/browser/VPMedia/src/VPMSession_net.cpp


On Oct 7, 2010, at 3:42 PM, Christoph Willing wrote:

> 
> On 07/10/2010, at 11:18 PM, Philippe d'Anfray wrote:
> 
>> Bonjour,
>> 
>> We use AG 3.2 on MAC OS 10.6, VIC works a priori but fails if you try to
>> resize the window menu etc..
>> 
>> My concern here is about VpcScreen. We had many problems with the Ubuntu
>> version because the TTL was "hardcoded" to a (too) small value and the screen
>> capture was not received by non-local users.
> 
> 
> Philippe,
> 
> I hope you mean that the ttl problem was in the past and is now fixed on Ubuntu?
> 
> 
> 
>> Is it the same with the MAC OS X version ??? (I checked that our mac was issuing
>> packets with a TTL of 127 (probably VideoProducer ??) and with a TTL of 16
>> (VPC screen ?)).... and same as before, non-local users do not receive the VPC
>> Screen picture.
> 
> 
> I'm not sure where the real VP* repository is these days but it could be fixed with the patch that I apply to my local version for the Ubuntu releases:
> 
> 
> --- VPMedia/src/VPMSession_net.cpp.orig 2008-09-16 22:09:32.000000000 +1000
> +++ VPMedia/src/VPMSession_net.cpp      2010-04-02 01:04:51.718584080 +1000
> @@ -8,14 +8,14 @@
> 
> bool VPMSession_net::initialised_global = false;
> 
> -static const uint16_t DEFAULT_TTL = 16;
> +static const uint16_t DEFAULT_TTL = 127;
> 
> VPMSession_net::VPMSession_net( const char *_address,
>                                VPMSessionListener &listener ) :
>   VPMSession( listener ),
>   address( _address ),
>   session( 0 ),
> -  ttl( 16 ),
> +  ttl( DEFAULT_TTL ),
>   bandwidth( 64000 ),
>   first_packet_time(0),
>   total_bytes_sent(0),
> 
> 
> 
> chris
> 
> 
>> 
>> Last question should we move to the 3.3-Snapshot_??? on our Mac  ?
>> 
>> Bien cordialement
>> 
>> Philippe
>> 
>> 
>> 
>> 
>> <Philippe_d-Anfray.vcf>
> 
> Christoph Willing                       +61 7 3365 8316
> QCIF Access Grid Manager
> University of Queensland
> 

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