[AG-TECH] BridgeServer trouble

Michael Braitmaier braitmaier at hlrs.de
Mon Nov 15 09:10:58 CST 2004


Hi Derek!

I guess this has something to do with the behaviour I described in my 
previous post. Basically it is caused by the malfunctioning port list, 
keeping track of allocated ports during startup of the bridge server.

Michael

----- Original Message ----- 
From: "Derek Piper" <dcpiper at indiana.edu>
To: <ag-tech at mcs.anl.gov>
Sent: Monday, November 15, 2004 3:15 PM
Subject: Re: [AG-TECH] BridgeServer trouble


>
> Hi,
>
> Since you have working Bridge Server configs, I do want to ask this; Is is 
> possible to run the bridge on the same machine that is hosting the venue 
> server?
> With this config:
>
> [https://iri-av.informatics.indiana.edu:8000/VenueServer]
> type = VenueServer
> portMin=50096
> portMax=50099
>
>
> I get this, and the ports are not in use before I started:
>
> max_unicast_mem is 32
> myhostname=iri-av
> myhostipaddress=156.56.94.158
>
> using multicast
> ucport[data]=59784  ucport[rtcp]=59785
> mcport[data]=51442  mcport[rtcp]=51443
> making multicast port[0]
> can't bind mcaddr to socket!: Address already in use
> max_unicast_mem is 32
> myhostname=iri-av
> myhostipaddress=156.56.94.158
>
> using multicast
> ucport[data]=53854  ucport[rtcp]=53855
> mcport[data]=58994  mcport[rtcp]=58995
> making multicast port[0]
> can't bind mcaddr to socket!: Address already in use
> Shutting down...
> SignalHandler exiting.
>
> I can bridge other venues on this machine, and can bridge the venueserver 
> above using another machine. What I'd like is to do it all on one machine.
> Any hints would be appreciated.
>
> Thanks,
>
> Derek
>
> Christoph Willing wrote:
>>
>> On 15/11/2004, at 7:36 PM, Michael Braitmaier wrote:
>>
>>> HEllo chris!
>>>
>>> I am using a quite small port range with our bridgeserver here at our 
>>> institute, only allowing a port range of 4 ports, which is exactly  what 
>>> is needed to bridge one room. For example:
>>>
>>> #HLRS AG Room on ANL Server
>>> [https://hume.mcs.anl.gov:9000/Venues/ 
>>> 000000f5569d3f0a008c00dd000b003761b]
>>> type=Venue
>>> portMin=50096
>>> portMax=50099
>>>
>>> Two ports are allocated for audio (in/out) and two ports are allocated 
>>> for video (in/out).
>>>
>>> Works quite stable.
>>
>>
>> Michael,
>>
>> Since you had success, I just tried mine again and it worked fine.
>>
>> I did do one thing differently and this seems to be significant. My 
>> original port number range was portMin=24000, portMax 24004 ( they were 
>> just commented out in the bridge.conf file). I changed them to 24000 & 
>> 24003 and it worked perfectly. When I changed back to the original  24000 
>> & 24004, I had errors again,namely:
>>     can't bind ucaddr to socket!: Address already in use
>>
>> When I changed back to 24000 & 24003 and problem disappeared. So its 
>> working now, but I think something is still not quite perfect in the 
>> port allocation.
>>
>> So West, thats something else you could try: I see that your port range 
>> was 24000-24006. What happens if you try portMin=24000 and 
>> portMax=24003?
>>
>> chris
>>
>>
>> Christoph Willing                        Ph: +61 7 3365 8350
>> QPSF Access Grid Manager
>> University of Queensland
>>
>>
>>
>
> -- 
> Derek Piper - dcpiper at indiana.edu - (812) 856 0111
> IRI 323, School of Informatics
> Indiana University, Bloomington, Indiana
> 




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