Re: DDS Timeout

["Peter Dow" <pcdow@xxxxxxxxx>]

The OVRDSPF in Scott's example can be used in place of the CHGDSPF and would
only affect the job/user that executed it.

----- Original Message -----
From: Richard Hartman <r_hartman@hotmail.com>
To: <RPG400-L@midrange.com>
Sent: Wednesday, November 24, 1999 7:16 AM
Subject: Re: DDS Timeout


> Mr. Scott Klement
>
> Thank you for your information, it sounds close to what I want to do.
> I just have one more question that I would like to ask you.
>
> If I compile the DSPF with WAITRCD of one minute, (that would be out
generic
> timeout). Then inside the program lets say that I have a certain user is
> allowed five minutes(passed in parm). The program would read the data
queue
> and after one minute my DSPF would send a timeout value to the data queue.
> Except that my certain user is allowed five minutes. Would I have to go
into
> a loop and re-read the data queue, and would I write the record format or
> read the DSPF until my five minutes are up? I would not prefer to keep
> writing the record format, because of causing a screen flicker. I cant use
> the
> CHGDSPF command, because I would be affecting the object for all of the
> users.
>
> Any help would be appreciated.
> Could you send me some of your example code, maybe that would clear things
> up better.
> Thank you,
> Richard Hartman
> Email: richard.hartman@brctsg.com
>
>
> >From: "Scott Klement" <infosys@klements.com>
> >Reply-To: RPG400-L@midrange.com
> >To: RPG400-L@midrange.com
> >Subject: Re: DDS Timeout
> >Date: 23 Nov 1999 14:47:21 -0600
> >
> >The ability to "time out" on a screen isn't actually a feature of RPG
> >but is rather a feature of the display files.  The same concepts for
> >timeouts will work in RPG III or CL or (afaik) any HLL.
> >
> >To change the WAITRCD parameter, you can do:
> >      CHGDSPF FILE(xxx) WAITRCD(xxx)
> >  or  OVRDSPF FILE(xxx) WAITRCD(xxx)
> >
> >These are CL commands, so you can do them from a seperate CL program,
> >or you can use QCMDEXC (or whatever else you prefer) to do them in
> >your RPG.
> >
> >The more versatile way of doing it is to use data queues, INSTEAD of
> >the WAITRCD parameter.   This works very well, and allows you to
> >adjust the timeout value on-the-fly.
> >
> >If you're running several copies of the same program, and want to keep
> >each data queue seperate, the easiest way is to put the data queue in
> >the QTEMP library (QTEMP is different for every job)
> >
> >Your program would do something like this:
> >         1) Create a data queue in QTEMP for this job.
> >         2) OVRDSPF FILE(xxx) DTAQ(QTEMP/xxx)
> >         3) Open the display file
> >         4) Write a record to the display file with FRCDTA and INVITE
> >               DDS keywords.
> >         5) Wait for an entry to appear on the data queue, with a
> >               timeout value.
> >         6) If an entry appears before the timeout, read the screen,
> >               and process the input.
> >         7) And so on...
> >
> >Or did you mean that you want the program to control multiple
> >terminals and to be able to determine which of the terminals
> >pressed enter?
> >
> >If you need more info, just reply and ask questions...  I could even
> >give you example code if you need it.
> >
> >HTH
> >
> >
> >"Richard Hartman" <r_hartman@hotmail.com> wrote:
> > > I was searching through the Midrange Archives looking for informatio
> > >  on
> > > RPG's "Timeout" feature. When I found Pete Hall's thread, dated Sat,
> > >  13 Dec
> > > 1997, with the title "DDS Timeout", where he describes how to use a
> > >  data
> > > queue to change the WAITRCD parameter.
> > >
> > > I would like to find out how to change the WAITRCD parameter, but I
> > >  weary
> > > about using the data queue method described. If multiple users were
> > >  running
> > > the program that use's the data queue, and one of them timed out, ho
> > >  can
> > > you tell which program timed out?
> > >
> > > If anybody has any information about the above questions, or any
> > >  information
> > > at all about the "Timeout" feature with RPG IV, it would be greatly
> > > apreciated.
> > >
> > > Richard Hartman
> > > Email:  richard.hartman@brctsg.com
> > >
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