vnc client SendFramebufferUpdateRequest problem

James Weatherall jnw "at" realvnc.com
Fri Nov 11 14:58:00 2005


Shiva,

Your best bet is to contact the vendor of the VNC-based software that you're
basing your viewer on.  It sounds like some part of either their code or
your modifications to it is crashing.

Regards,

Wez @ RealVNC Ltd.
 

> -----Original Message-----
> From: vnc-list-admin "at" realvnc.com 
> [mailto:vnc-list-admin "at" realvnc.com] On Behalf Of Shiva G
> Sent: 11 November 2005 13:51
> To: VNC-List "at" realvnc.com
> Subject: vnc client SendFramebufferUpdateRequest problem
> 
> Hi all,
> I'm a newbee to vnc. i'm trying to customize VNC client 
> (which came as a
> application in microwindows) for embedded application.
> My requirement is to keep the vnc client in loop with the vnc 
> server (i dont
> want the the viewer to reproduce the screen in client ,as the 
> hardware wont
> support that.
> But my problem is well before that, when the viewr gives a
> SendFramebufferUpdateRequest, he is not at all getting any 
> response (even a
> success or failure return) and the vncviewer closes the 
> connection with the
> server. The following is my output
> 
> *root:~> vnc 192.168.1.221:1 <http://192.168.1.221:1>
> After ConnectToRFBServer
> vnc: VNC server supports protocol version 3.8 (viewer 3.3)*
> 
> *shiva:writing in server*
> 
> *shiva:after writing j=12*
> 
> *shiva:success writing 12
> vnc: No authentication needed*
> 
> *shiva:writing in server*
> 
> *shiva:after writing j=1*
> 
> *shiva:success writing 1
> After WriteExact
> After ReadExact 1 sock = 3
> After malloc sock = 3 desktopname = 3e47bc0 n = 15
> After ReadExact 2
> vnc: Desktop name "m"
> vnc: Connected to VNC server, using protocol version 3.3
> vnc: VNC server default format:
> 16 bits per pixel.
> Least significant byte first in each pixel.
> True colour: max red 31 green 63 blue 31
> shift red 11 green 5 blue 0
> After InitialiseRFBConnection*
> 
> 
> *After CreateXWindow*
> 
> *shiva:writing in server*
> 
> *shiva:after writing j=20*
> 
> *shiva:success writing 20*
> 
> *shiva:writing in server*
> 
> *shiva:after writing j=20*
> 
> *shiva:success writing 20
> After SetFormatAndEncodings*
> 
> *shiva:values X=0 Y=0 W=1024 H=768*
> 
> *shiva:SendFramebufferUpdateRequest to server-entering*
> 
> *shiva:writing in server*
> 
> *root:~>*
> 
> and connection ends here.
> 
> can anybody help me in this issue plz
> 
> Thanks and regards
> 
> shiva g
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