Re: 2-way RMI-Connection

Take a look: http://lipermi.sf.net

;o)

On 5/26/07, Jeff Rickard <[email protected]> wrote:
>
> If you are using applets is it your intention to deploy this on a
> website for public use?  You are going to encounter many problems with
> firewalls and the like with this two way connection scheme.  Have you
> already decided not to go with a polling routine from client to server
> to check the status?
>
> I have done this with standard java/swing applications but never from an
> applet, I would imagine that you need to bind the listening port as part
> of the constructor, or during the initialization, for the client and
> then you just pass the ip address of the connection back to the server.
> This also requires that the stubs are at both ends so you need to have
> all the interfaces and what not set up that way as well.
>
> I don't know if that helps but if you need I could dig up some sample
> code that I have here somewhere from the application that I wrote doing
> that.
>
> Jeff Rickard
>
> Michael Tomuschat wrote:
> > Hi,
> >
> > I want to write a client/server program. The client (an applet) can send
> > commands to the server and the server can send status-information to the
> > client.
> >
> > the server binds the command-class to the rmiregistry so the client can
> > send commands to the server. The other way round the client registers
> his
> > status-class in the same rmiregistry, so the server can update the
> > client's status, when something changes.
> >
> > This works perfectly well, when client and server are on the same host.
> > But when the client is on a remote machine it cannot bind the
> > status-interface to the rmiregistry any more (Access Exception: registry
> > rebind disallowed from non-local host)
> >
> > So, how can I bind the status-class on the non-local host, or if this is
> > not possible, how can I make the server call the applet's status-class??
> >
> > Is RMI the right tool for this task??
> >
> > Thanks for any tips
> >
> > Michael
> >
> >
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--
[ ]s,
Felipe Santos Andrade

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