Re: OS/400 Service Programs/APIs

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I've found the performance acceptable if not better than the alternatives.

For documentation on API's have you tried:
http://publib.boulder.ibm.com/iseries/v5r2/ic2924/info/apis/api.htm

Putting these API's into a service program is probably the best way to go,
if you are planning to port.  Therefore you will have one area to fix in
order to get the ported code to work.  Embedding them into all your
programs, instead of a service program, might get hairy if they
significantly change on the new platform.

Like all migrations, you will run into stuff on a new platform that will
require fixing.  Other platforms might not use user spaces, and other
iSeries type objects.  You may find you may not have a need for some of
these.  Like listing all jobs running under a specific subsystem.  Or even
if you do miss this capability the new platform is probably limited to
doing some other paradigm.

Rob Berendt
--
"They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety."
Benjamin Franklin




"Rick Nardone" <rick@midtel.net>
Sent by: midrange-l-admin@midrange.com
11/04/2002 12:09 PM
Please respond to midrange-l

        To:     <midrange-l@midrange.com>
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        Subject:        OS/400 Service Programs/APIs


We are beginning to aggressively convert RPG II, III, and IV programs into
ILE.  To date, we have taken advantage of a few  "standard" service
programs
that are bound using the QC2LE directive.

- Do you find the performance of these service programs/APIs acceptable to
warrant their inclusion in our coding plans?  We would hate to code
something "dogged" or unreliable.  So far, we have been impressed.

- Is there a comprehensive listing/reference of Service Program/APIs that
are "standard" in OS/400?  The ones we have used thus far have been either
stumbled on or searched specifically for.  A comprehensive reference would
be great.

- Is there the possibility of taking "any" commonly used C API the Open
Source people tout, and getting it to run in OS/400?  Have any of you?

- We are trying to get to standard RPG ILE as a stepping stone to more
effectively allow us to port to another platform in the future, if
necessary, without having to wholesale go with JAVA, C, etc at this time.
Anyone have an opinion that using these Service Programs/APIs today will
make us regret so in the future?

Obviously, we are newbees to this, and we do not want to code ourselves
into
a corner.  If anyone can convey literature, Redbooks, etc. to assist us,
it
would be greatly appreciated.

Thanks.

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