RE: Call java program on Windows from RPGLE or CL

Not sure what you plan on doing with the returned userid but what would stop someone from replacing your java app with one of their own that passes back any userid they want?

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Ashish Kulkarni
Sent: Monday, August 17, 2009 2:21 PM
To: RPG programming on the IBM i / System i
Subject: Re: Call java program on Windows from RPGLE or CL

HiI was thinking of setting up java program as a web service and then embed
with tomcat runtime to start it on PC.

But then again i will get stuck about the URL, how can i know the URL of the
web service running on local PC, Again the same problem with knowing the IP
address of the user so i can call the web service on local PC.


Ash

On Mon, Aug 17, 2009 at 2:10 PM, Scott Klement <rpg400-l@xxxxxxxxxxxxxxxx>wrote:

Hi Ash,

Why not set up the Java program on the PC as a web service? That seems
to be the modern approach to this type of application.

If it really must be invoked as a normal program, you could use the
RUNRMTCMD command or the rexec() API. These two tools speak the same
network protocol, but the API lets you get the information straight back
into your RPG program, whereas the CMD sends it's output to the spool --
so you have to copy it back to a PF and read it into your RPG program.
RUNRMTCMD/rexec is plaintext and unencrypted, though.

The SSH program from OpenSSH (available in PASE via 5733-SC1) allows a
remote command to be run on another system via a protected/encrypted
connection. However, I don't know how to run an SSH daemon on Windows
(it's probably possible, but is something I've never looked into, since
we don't use Windows in that capacity here.) I've used it against a
FreeBSD server and it works very nicely as well.

Good luck


Ashish Kulkarni wrote:

HiIs it possible to call java program on PC from RPGLE or CL program,

What i want to do is to get the windows networking user id used to login

in

my RPG program,

I can have a local java program which can return the windows user id, but
can i call this program to get this information from AS400?

I already have a program which will open internet explorer on PC from

AS400

(runs in client access) using STRPCO and STRPCCMD, but this is only to

pass

information from AS400 to windows, but i would like to get response from
windows back to AS400.

Is this possible to do so?


Ash

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