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

[Nathan Andelin <nandelin@xxxxxxxxx>]

Aside from continuous polling, others might suggest the implementation of a
Web sockets service rather than having the client continuously polling the
HTTP server.

On Thu, Jul 26, 2018 at 7:53 AM, Nathan Andelin <nandelin@xxxxxxxxx> wrote:

> HTTP servers implement a request-response cycle. After the IBM i Job is
> submitted, and a response is returned to the HTTP client (the browser), the
> only option to get the status of the submitted Job is via polling. You can
> implement asynchronous polling. But I gather that you don't want to do
> that. And I don't fault you for that.
>
> Have you considered having the submitted Job send a Text or Email message
> when it completes?
>
>
>
> On Thu, Jul 26, 2018 at 1:45 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
> >
> > --
> >
> > Maria Lucia Stoppa
> > mlstoppa@xxxxxxxxx
> > --
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