[JDEV] transports dev

[dlb]

Thanks Dave ;

I was thinking of using TCL's expect package - it's dedicated to these sorts
of tasks.

so can I take your advice to mean that a transport module is overkill in this
situation ?

D

Dave Smith wrote:

> Hey..
>
> On Sat, Jan 20, 2001 at 11:34:01AM -0500, dlb wrote:
> > I'm interested in developing a module which will enable
> > clients developed using MacroMedia's Flash5 to connect to a
> > jabber server.  Flash utilizes a null byte to delimit each
> > transaction with the server and is incompatible with
> > jabber's native socket protocol.
>
> Ok, easy enough. Obviously, you can't just connect directly to
> the normal socket manager since the null byte wouldn't mean
> anything.
>
> > My questions..
> > would it be appropriate to integrate this module as a form
> > of transport ?  The Flash clients would use Jabber's native
> > XML protocol. The only transformations required would be at
> > the session level ; primarily in stripping null bytes
> > following Flash derived message packets and appending nulls
> > to messages deriving from the server.a
>
> Actually, what you're really looking for here is a Flash
> "socket manager" component. This would simply handle incoming
> connections from Flash5 clients and pass the XML packets
> into the jabberd delivery loop.
>
> The overall structure of such a beast would be quite similar
> to the pth client socket manager found in the pthsock/ directory
> of the 1.4 distro (see client.c) That component is a simple .so
> that is loaded by jabberd and handles incoming client connections.
> Note that you prolly won't be able to reusue the code from there,
> but it's a good start to knowing how to structure your component.
>
> If you want to use an alternative language (like Perl) you can get
> the same effect by writing a perl script that uses base_connect or
> base_accept to have a socket connection into jabberd. The script would
> simply listen for incoming packets, parse and format them to "normal"
> Jabber packets and then feed them into jabberd via your socket connection.
>
> Hope that helps..
>
> D.
>
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