Re: How to inform a web page that a submitted job is ended

Well, you really only have 2 options..

1. polling (easy to do with js)
2. somehow alerting your web app the process is done. You still need some
unique id for the job here but this may end up being more complicated than
you want.




Bradley V. Stone
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On Thu, Jul 26, 2018 at 9:23 AM Maria Lucia Stoppa <mlstoppa@xxxxxxxxx>
wrote:

@Nathan
Actually, I haven't thought of sending text or email to the user and in
fact, I may suggest it.
I don't know what a web socket service is, can you explain it a little more
so I can ask web developers to see if we may adopt it?.

@Bradley
The idea of recording the job status is good, though it means that polling
is the only option.

Thank you very much.
Lucia


Il giorno gio 26 lug 2018 alle ore 16:05 Bradley Stone <bvstone@xxxxxxxxx>
ha scritto:

How I've done this is make a simple file with a unique job id (that I
generate) and a status. When a job is submitted a record is written to
that file with a status of "started" by the job that submits the

processing

job. (The id is passed along to the processing job as well).

Then the processing program can update that status file any time it likes
(with percentages complete, number or records processed, what step is

being

performed, etc).

The web program polls the file until it is complete.

Worked pretty slick. I made sure that the program in batch updated the
status often so that it appeared to the user that something was actually
going on. I know one thing we found is if users just saw

"processing..."

and it was something that took longer than 20 seconds they would
continually refresh their screens.. lol


Bradley V. Stone
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On Thu, Jul 26, 2018 at 2:45 AM Maria Lucia Stoppa <mlstoppa@xxxxxxxxx>
wrote:

Hi all. I apologize if an answer to my question already exists but as

the

search engine is still not working I couldn't find any post on this
subject. Also, I know very little about communications between iSeries

and

external HTTP server.

The scenario consists of a web page run by an IIS HTTP server which

makes a

call to a stored procedure on our iSeries; the stored procedure is an

RPGLE

program which submits a job under QBATCH subsystem: having the job
submitted is an obliged option because it takes a lot for it to

complete.

When the submitted job ends how can it inform or wake the web page to

have

the web page do something else?

So far, I could only think of having the web page continuously pooling

the

iSeries until a certain condition is reached, such as a certain row on

a

table written by the submitted job before ending its execution, but I

am

pretty sure this is a very usual need and it's my lack of knowledge

about

how to approach this issue.

Please, can you suggest me how to address this question or where I can

find

technical documentation on it?

Thank you very much in advance

Lucia

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