Re: "Network is unreachable"

On Wed, Apr 23, 2003 at 06:20:17PM +0200, Roland Seuhs wrote:
> Am Mittwoch, 23. April 2003 17:33 schrieb Philippe Ney:
> > > Hi!
> > >
> > > I finally managed to get picogui compiled for ARM and pgserver running.
> > > pgserver starts and seems to run fine.
> > >
> > > When I try to start an application, I get this error:
> > >
> > > connect: Network is unreachable
> > > *** PicoGUI ERROR (CLIENT) : Error connecting to server
> >
> > I would think...
> >   * the server is not running
> 
> Well it sure is running, wether it's working is another story...
> 
> >   * the server and the client doesn't use the same communcation layer
> >     (ip - unix socket)
> 
> How do you configure picogui programs or start them to use some communication layer?
> 
> AFAIK, picogui programs don't take any picogui-specific arguments, how does the program know which pgserver to connect to?

The C client library does indeed support some picogui-specific
arguments, but what you probably want is the PGSERVER environment
variable, which is part of the pgui-protocol document.

It works like X's DISPLAY environment variable, except that each part is
optional. You can simply set PGSERVER to the hostname of the machine
with the server you want to connect to.

> 
> > > Because there is no server log and no verbose option in pgserver (or is
> > > there?) it's quite hard to figure out what is really going on, maybe you
> > > could give me a hint what is wrong here.
> >
> > make menuconfig -> debugging
> > and... make your shopping :)
> 
> Arrgh, I should have really figured that out myself :-/
> 
> > > Also, for debugging purposes, it would be great to connect x86-apps to
> > > the pgserver running on ARM (or vice-versa) - maybe I just missed some
> > > obvious thing, but I couldn't find any documentation about using PicoGUI
> > > across a network.
> >
> > Using accross a network is not a problem as the client-server communication
> > could use the ip layer. The problem is using it cross-platform ????
> 
> Shouldn't be a problem cross-platform I can't possibly imagine picogui sending machine-code trough the network...

Everything picogui sends over the network should be cross-platform. All
numbers are sent in network byte order, themes are run using a VM.

--Micah

-- 
"For every problem, there is a solution that is simple, elegant, and wrong."
           -- H.L. Mencken


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