On Sun, Jan 01, 2006 at 08:07:40AM -0600, Curtis L. Olson wrote:
> >>Paul Surgeon wrote:
> >>>Has anybody thought of a way to be able to call functions
> >>>inside FG via the network interface?
> With a little wrapping, this can be done now. We have wrapped up a few
> functions, but perhaps need to add some more.
One could use a command property and attach a listener
to it. I'm not at my fgfs machine, but in (probably *very*
wrong) nasal code this could look something like this:
cmd = args = nil;
execute = func { fgcommand(cmdargs().getValue(), args) }
INIT = func {
cmd = props.globals.getNode("/sim/cmd/name", 1);
args = props.globals.getNode("/sim/cmd/args", 1);
# add some cmd arg children for the different
# available commands; they expect children with
# specific names, like "filename" or something:
args.setStringValue("filename", "dummy");
# ...
setlistener(cmd, execute);
}
settimer(INIT, 0);
Then you would only have to set the respective args
via telnet or whatever, and then write the command name
into /sim/cmd/name, which triggers the 'execute'
function. No need for polling.
Unfortunately, there's a bug left in setlistener()
that I'll have to sort out with Andy (sorry :-), but
the above code should work nevertheless.
I'll try it as soon as I'm back again (and then I'll
probably be very embarrassed ;-)
m.
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