Re: [simspark-devel] [Sserver-three-d] rcssmonitor3d: Playing back logfiles in real time?

[H.Ebrahimi <hes...@gm...>]

Thanks Hedayat. I'll be busy till about two weeks later. But hopefully
soon after then will work on this again.

Hesham

On 14 April 2010 21:53, Hedayat Vatankhah <hed...@ai...> wrote:
> Hi Hesham,
>
> "H.Ebrahimi" <hes...@gm...> wrote on 04/15/2010 12:54:39 AM
> +0450:
>
> Hi Hedayat and all,
>
> I have created a new patch, adds the speed controls, fixes a bug, and
> tidies up the code.
> The fixed bug: when the log player hits the end of log file, it cannot
> play backward (using the 'l' key). After applying the patch, when the
> end of log file is hit, the player pauses and resets the eof bit of
> the input stream. Thus, user can hit 'l', and then 'p' to go backward.
>
>
> Great!
>
> If it's possible please a more active developer tests this patch :-)
>
>
> I'll try to test it tomorrow and let you know if there are any problems.
> Then you can go on and commit it in SVN (or you might just commit it if you
> don't expect any problems, then we will check it from there!).
>
> Hedayat, is the problem you mentioned about the log recorder and
> multi-threading fixed? If not, maybe I can give a hand.
>
>
> No, I have not found enough free time to put on it yet. It seems that there
> are many race conditions in classes which are responsible for sending
> monitor information to the monitor/log recorder. Last week I found one of
> them in MonitorServer::GetMonitorData and fixed it (it needed to be
> protected from simultaneous calls), but later I found that there are other
> problems too. You can run the latest simulator with the default
> configuration and enable recording log files in simspark.rb, and then run a
> binary (e.g. IranOpen 2010 binaries available at:
> http://hedayat.fedorapeople.org/iranopen2010/). Usually you will experience
> a crash very soon.
>
> Except on the race conditions when the server is running, it seems that
> there are also problems when the monitor sends a command to the server (e.g.
> kick off), which should be probably taken care of in TrainerCommandParser or
> some of the classes it uses.
>
> It would be really nice if you fix some/all of the bugs. :)
>
> Thanks a lot,
> Hedayat
>
> Hesham
>
> On 13 April 2010 11:32, H.Ebrahimi <hes...@gm...> wrote:
>
>
> I've cc'd simspark-devel, in case this discussion should continue.
>
> On 11 April 2010 01:16, Yinon Bentor <yi...@cs...> wrote:
>
>
> Thank you for your suggestion to modify the step delay. �This worked
> for us. �Having controls to modify the playback speed may be indeed be
> quite useful.
>
>
> I prepared a patch for this:
> http://www.cs.bris.ac.uk/pgrad/ebrahimi/code/rc/logplayer_speed_control.diff
> But I don't have time to test it thoroughly, if you can please give it
> a try and let me know if there is a problem. Use the '[' key to slow
> down the playback and ']' to speed up.
>
> Hesham
>
>
>
> Thanks,
> Yinon
>
> On Fri, Apr 9, 2010 at 11:44 AM, H.Ebrahimi <hes...@gm...>
> wrote:
>
>
> Yinon, I'm not sure what you mean by replaying log files in real time.
> But I explain how you can control the speed of the log player, hope
> that helps.
>
> We decided to use a fixed delay time between each cycle for the log
> player. If I remember correctly the reason was that the time between
> two consecutive cycles depended on the machine. I'm not sure if this
> is still the case or not. If you see the log player is playing the log
> files very fast, you can modify the delay value in this line of
> spark.rb:
> � �monitorClient.setStepDelay(3300)
>
> In case you find it handy to have controls in the monitor to increase
> and decrease this value while playing a log file, let me know. It's
> easy to add these controls. Perhaps it is possible to replace this
> fixed time delay with the time measured between two cycles while
> running the simulator. Maybe some developers, Hedayat?, can suggest
> some ways to improve the logger/log player.
>
> Hesham
>
> On 9 April 2010 08:01, Yinon Bentor <yi...@cs...> wrote:
>
>
> Hi all,
>
> I'm searching for a way to replay log files in real time instead of
> the sped-up replay that seems to be the default in rcssmonitor3d. �Is
> there such an option in the monitor?
>
> Thanks,
> Yinon