RE: Retrieving remote IP address -- MIDRANGE-L

You might need to start with that API, but it does not include job information. For each connection in the list returned by QtocLstNetCnn, possibly filtered by local/remote port ranges and IP address ranges, you call the QtocRtvNetCnnDta API. From the InfoCenter documentation--

<http://publib.boulder.ibm.com/iseries/v5r1/ic2924/info/apis/qtocrtvnetcnndta.htm>Retrieve Network Connection Data (QtocRtvNetCnnDta) retrieves the details of any specified connection-including jobs using the connection.

You use the NCND0200 format. On input you specify the protocol, local IP address, local port, remote IP address, and remote port. BTW, V5R1 doc has an error here - the "Socket connection request" parameter is listed as CHAR(20) in one place, CHAR(16) in another - 20 is the right one. There is a /COPY member QSYSINC/QRPGLESRC(QTOCNETSTS)

At 06:27 AM 1/4/2005, you wrote:

I believe the QtocLstNetCnn would work for you. Check out
http://www.think400.dk/apier_1.htm#eks0038


> -------- Original Message --------
> Subject: Retrieving remote IP address
> From: Peter.Colpaert@xxxxxxxxxx
> Date: Tue, January 04, 2005 5:49 am
> To: midrange-l@xxxxxxxxxxxx
>
> Hi group,
>
> I have a tricky situation that I'm trying to solve, without success so
> far.
>
> We have a client-server package that runs a batch job for each user
> connected to the iSeries (V5R1M0).
>
> Sometimes, the user needs to download a document from his 'home' server,
> the location of which is kept in a user file.  These documents are
> replicated to several different servers located around the globe.
>
> There are a number or roaming users, and when they are working away from
> home, the system should of course refer to the closest server, which may
> or may not be their usual 'home server'.
>
> My idea was to have the job retrieve the user's IP address, which will
> beyond doubt identify the location from where the user is logged in, and
> the closest server.
>
> I know how to do this for an interactive (5250) session, but there's no
> device description associated with these batch jobs so that approach
> cannot be used.
>
> We are always certain of the local port used by the application, and of
> course we know the job name & number.
>
> Is there any way - using an API - to retrieve the remote address
> associated with a certain local address / job combination in the TCP/IP
> connections?
>
> When looking at NETSTAT *CNN, I can do a subset by local port, and then
> look at the jobs associated with each remote address, but I need to do
> this from within a program.
>
> Thanks in advance!
>
> Peter Colpaert
> Application Developer
> Massive - Kontich, Belgium
> -----
> Yoda of Borg are we.  Futile is resistance, assimilated will you be.
> -----
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