Re: [Playerstage-developers] Java client

[Piotr T. <pio...@gm...>]

Please take a look at this patch. It solved problem for one of my friends,
who had not time to post it to the upstream...

https://sourceforge.net/tracker/?func=detail&aid=2876444&group_id=135304&atid=732485

On Fri, Oct 9, 2009 at 12:30, Serge Stinckwich
<ser...@gm...>wrote:

> Hi all,
> i try to use the Java client (http://java-player.sourceforge.net/)
> with P/S 2.1.X and i have some problems with some interfaces. I guess
> there was some network protocol modifications between P/S 2.0.X and
> P/S 2.1.X.
> For example, when i'm trying to do a get2DPose on a simulation
> interface, i have the following trace on the stage server :
> "warning : decoding failed on message to simulation:0 with type request:2"
>
> The definition of byte structures of the two versions are the following:
>
> // 2.0 version
> typedef struct player_simulation_pose2d_req
> {
>  /** Length of name */
>  uint32_t name_count;
>  /** the identifier of the object we want to locate */
>  char name[PLAYER_SIMULATION_IDENTIFIER_MAXLEN];
>  /** the desired pose in (m, m, rad) */
>  player_pose_t pose;
> } player_simulation_pose2d_req_t;
>
> // 2.1 version
> typedef struct player_simulation_pose2d_req
> {
>  /** Length of name */
>  uint32_t name_count;
>  /** the identifier of the object we want to locate */
>  char *name;
>  /** the desired pose in (m, m, rad) */
>  player_pose2d_t pose;
> } player_simulation_pose2d_req_t;
>
> But it looks like very similar for me ...
> The java client seems to send twice the name_count value.
>
> Best regards,
> --
> Serge Stinckwich
> UMI UMMISCO 209 (IRD/UPMC), Hanoi, Vietnam
> Smalltalkers do: [:it | All with: Class, (And love: it)]
> http://doesnotunderstand.org/
>
>
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-- 
Piotr Trojanek