• Subject: Re: Named devices and IBMRSEED
  • From: "Bob Luebbe" <bluebbe@xxxxxxxxxx>
  • Date: Thu, 8 Mar 2001 10:04:56 -0600
  • Organization: Linoma

That answered our questions completely!  You were very very helpful.  We are
up and running.

Thanks so much,

Bob Luebbe
----- Original Message -----
From: "Scott Klement" <klemscot@klements.com>
To: <LINUX5250@midrange.com>
Sent: Wednesday, March 07, 2001 5:08 PM
Subject: Re: Named devices and IBMRSEED


>
>
> On Wed, 7 Mar 2001, Bob Luebbe wrote:
>
> > We can't seem to find any place within the LINUX source code in which
> > a device name can be specified.  We can find where the terminal type
> > is set, but not the actual device name.  Can you point me to the place
> > in the source that specifies that.
>
> I assume you know that to set the device name, you type:
>
> tn5250 env.DEVNAME=DSPxx hostname
>
> So you are looking for where TN5250 tells the AS/400 what the device name
> is?  Or isn't that what you mean?
>
> First of all...   All configuration strings from either the command line
> or from a config file are loaded into variables by the functions called
> "tn5250_config_parse_argv" and "tn5250_config_load" in conf.c.
>
> When the AS/400 requests that we send our enviornment variables (using
> the "IAC SB NEW-ENVIRON SEND" telnet option) TN5250 dumps all variables
> beginning with "env." to the AS/400.  You can find the code that does
> this in the function called "telnet_stream_sb" in telnetstr.c
>
>
> >
> > Also, I noticed the text "IBMRSEED" is part of the string to set the
> > environment.  In what reference material or manual can I learn about
> > IBMRSEED or how to set the device name.  I can't seem to find anything
> > about it in the on-line sources you have on your web site.
> >
> > Thanks,
> >
> > Bob Luebbe
> >
>
> I believe all we're doing with IBMRSEED is logging it.   At any rate,
> you can find documentation on both the IBMRSEED option and the DEVNAME
> option (amongst many other things) by reading the following RFCs:
>
> RFC1205 -- 5250 telnet interface (IBM's orig RFC for tn5250)
>      look for it here:  ftp://ftp.isi.edu/in-notes/rfc1205.txt
>
> RFC2877 -- 5250 telnet enhancements (includes DEVNAME, RSEED, etc)
>      look for it here:  ftp://ftp.isi.edu/in-notes/rfc2877.txt
>
> Of course, if you're not already familiar with the other TELNET RFCs,
> they're useful for understanding what things like IAC, SB, VAR, USERVAR,
> etc are -- and why they're used here.
>
>
> Does that answer your question?   Or do I misunderstand what you're
> looking for?
>
>
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