R help - Sep 2004 - Using R to send to SOAP server?

I have an R process continuously monitoring a data stream. When the 
data meet certain criteria, I need to send a message to a SOAP server.

Currently I'm doing this by making a system() call to execute a perl 
script, passing the message as an argument to the perl script.

I'm wondering if it can be done directly by R, and if so, whether 
there might be any performance benefit.

I've looked at RSOAP, and as far as I can tell, it's designed to work 
only in the other direction, that is, a SOAP server passes client 
commands to R, and returns the R results to the client. If I'm wrong 
about that, I'd appreciate being told so.

Thanks for any suggestions.

-Don



Here are the essential parts of the perl script.

use SOAP::Lite;

## assumes one arg
$msg = $ARGV[0];

if ($msg) {
   print "[gm-nsps.pl]  sending to NSPS\n";
   $soap = SOAP::Lite
     -> uri('http://chous-devpc.eedad.llnl.gov:9000/axis/services')
       -> 
proxy('http://chous-devpc.eedad.llnl.gov:9000/axis/services/NspsIncidentService')
	-> notifyIncidents( "$msg" );
}



Version information:
>  version
          _
platform powerpc-apple-darwin6.8.5
arch     powerpc
os       darwin6.8.5
system   powerpc, darwin6.8.5
status
major    1
minor    9.1
year     2004
month    06
day      21
language R

-- 
--------------------------------------
Don MacQueen
Environmental Protection Department
Lawrence Livermore National Laboratory
Livermore, CA, USA

On Fri, 17 Sep 2004, Don MacQueen wrote:
> I have an R process continuously monitoring a data stream. When the
> data meet certain criteria, I need to send a message to a SOAP server.
>
> Currently I'm doing this by making a system() call to execute a perl
> script, passing the message as an argument to the perl script.
>
> I'm wondering if it can be done directly by R, and if so, whether
> there might be any performance benefit.
>
> I've looked at RSOAP, and as far as I can tell, it's designed to
work
> only in the other direction, that is, a SOAP server passes client
> commands to R, and returns the R results to the client. If I'm wrong
> about that, I'd appreciate being told so.
SSOAP allows R to invoke SOAP methods provided by a SOAP server.

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