Re: [Playerstage-users] Player-2 [queue overflows]

[Radu B. R. <ru...@cs...>]

Same wavelength :)


Toby Collett wrote:

> Hi,
> Many of the queue full messages relate to client reading too slowly 
> (and or drivers producing data too fast)
>
> The solution to this is equivalent to using the PULL_NEW mode in 
> player 1.6 and involves two stages.
>
> 1) set the server into PULL mode
>     client.SetDataMode(PLAYER_DATAMODE_PULL);
> 2) set the server to replace queued data messages with new messages
>     client.SetReplaceRule(-1,-1,PLAYER_MSGTYPE_DATA,-1,1);
>
> Perhaps these should be made the defaults?

I would vote for YES, if I had the right to ;)

PS. It wasn't a bad idea (replying to your other e-mail) because that 
was on -developers, and not everybody is subscribed there afaik. :)

>
> Toby

Radu.

>
>
> Radu Bogdan Rusu wrote:
>
>> Argh, you're right... A quick test with:
>> - a Hokuyo sensor on ttyACM0
>> - libplayerc's test with a while (1) loop
>> ... results in:
>> - first run, everything is fine, Ctrl+C the test software, start 
>> again...
>> - ... and Player crashes with
>>
>> error   : tried to push 1/1 from 6:0
>> warning : tried to push onto a full message queue
>> error   : tried to push 1/1 from 6:0
>> player: urg_laser.cc:227: int urg_laser::Close(): Assertion 
>> `this->laser_port' failed.
>> Aborted
>>
>> Not good :( Checking the sources to see where the problem actually 
>> is, but it will take some time.
>>
>> Radu.
>>
>> ff...@ab... wrote:
>>
>>> On Tue, 7 March, 2006 4:38 pm, Radu Bogdan Rusu wrote:
>>>  
>>>
>>>> Okay, I'm taking a break now, so I can look over it.
>>>>
>>>> Can you please tell me how to duplicate it ? I am running randomwalk
>>>> with everything.cfg (stage), and I have no errors so far. :( Does it
>>>>   
>>>
>>>
>>>
>>> Straight away with our robot.  It works fine with stage.
>>>
>>>  
>>>
>>>> happen right away to you or after some time ? Also, are you using head
>>>> CVS or player2.tgz from SF?
>>>>   
>>>
>>>
>>>
>>> player2.tgz from SF.
>>>
>>> Fred
>>>
>>>
>>>
>>>
>>> -------------------------------------------------------
>>> This SF.Net email is sponsored by xPML, a groundbreaking scripting 
>>> language
>>> that extends applications into web and mobile media. Attend the live 
>>> webcast
>>> and join the prime developer group breaking into this new coding 
>>> territory!
>>> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=110944&bid=241720&dat=121642 
>>>
>>> _______________________________________________
>>> Playerstage-users mailing list
>>> Pla...@li...
>>> https://lists.sourceforge.net/lists/listinfo/playerstage-users
>>>  
>>>
>>
>
>
> -------------------------------------------------------
> This SF.Net email is sponsored by xPML, a groundbreaking scripting 
> language
> that extends applications into web and mobile media. Attend the live 
> webcast
> and join the prime developer group breaking into this new coding 
> territory!
> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=110944&bid=241720&dat=121642
> _______________________________________________
> Playerstage-users mailing list
> Pla...@li...
> https://lists.sourceforge.net/lists/listinfo/playerstage-users


-- 
| Radu Bogdan Rusu | http://rbrusu.com/
| http://www9.cs.tum.edu/people/rusu/
| Intelligent Autonomous Systems
| Technische Universitaet Muenchen