Re: How can I know if a server is not reachable

Hello Gerardo,

On Tue, Jul 19, 2005 at 11:44:22AM +0200, González Muñoz, Gerardo wrote:
> Hi,
>     I have working an master app sending messages to several 
> apps which are listening
>  
> My problem is that if an listener app is not reachable because 
> a net problem or other problem the call to that app never end 
> so it is very long and the master app becomes to store pending 
> messages and finally it goes to an Out of Memory
>  
> The master  gets the reference to the listener throw a CORBA call,  
> listeners send a reference of a CORBA server to the master 
>      e.g. :
> 
> 
> interface iListener {
>     void addMsg( in string msg );
> }
>  
> 
> interface iMaster {
>     void addListener( in iListener listener );
> }
> 
>             master.addListener( xxxxx ) ;
>             where xxxxx is a server  of class iListener
>  
> Is there any method to know if that reference is active or reachable ?
>  
> A method to round the problem could be set a TimeOut to the object, 
> I know how to put TimeOuts on servers and on clients generated from 
> orb.string_to_object("corbaloc......."), but I don't know doit on 
> Objects got from a call like the previous addListener(...) 
>  
> Thanks
>  
> Gerardo González Muñoz 
> Transportes y Tráfico 

I apologize for the delay in responding to your question. Have you had
any luck with this? 

I would try setting the "ooc.orb.client_timeout" property for your
master application. This will allow your master application to timeout
after a specified length of time if there is no response from a
listener. Setting this property will actually set the timeout for all
requests made by your master app (i.e. when it is acting as a client),
so there is no need to set it at the object level.

Cheers,
Dave

-- 
David Weir                          
Team Orbacus - Your CORBA Source
E-Mail: [email protected]
WWW: http://www.orbacus.com
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