Path: utzoo!utgpu!water!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!bloom-beacon!mit-eddie!bu-cs!purdue!decwrl!labrea!agate!ucbvax!bsovax.UUCP!pim
From: pim@bsovax.UUCP
Newsgroups: comp.os.vms
Subject: re: Remote terminal through DECnet from application
Message-ID: <8805180109.AA22248@mcvax.cwi.nl>
Date: 18 May 88 01:09:46 GMT
Sender: daemon@ucbvax.BERKELEY.EDU
Organization: The Internet
Lines: 45


	
>It's not entirely clear from your description what you are trying to accomp-
>lish, but going by the final question, it looks as if you want, in effect,
>a "callable SET HOST" facility.
>	
>No such thing exists; you'd have to write it yourself.  I'm not sure whether
>the CTERM protocol is among the published DECnet protocols; it has certainly
>been implemented as part of various 3rd-party DECnet implementations for
>non-DEC machines.  It's NOT a simple protocol.
>	
>The simplest approach may be to spawn a subprocess on a pseudoterminal, using
>one of the various PTY drivers that have floated around the net and DECUS (and
>that have finally become fairly solid and usable tools), then send through a
>SET HOST command.  Ugly, but a lot less work than any alternative I can think
>of.
>	
>Then again, as I said, it's not clear what you are trying to accomplish.
>Perhaps you really should look at your whole application again to see if there
>isn't a better approach.
	
Thanks for your reply.

I was hoping that I would only need to CREATE the remote terminal (RTAx:),
and then use normal $QIO system calls (SMG$ library calls) on it.  

The I/O manual on the terminal driver says on the first page that:

	"The Remote Command Terminal, used by the DCL command SET HOST,
	also makes use of the features and capabilities listed in Section 8.2" 

I interpreted this as meaning that the terminal driver implements
the CTERM protocol if the assigned channel is a remote terminal.

As there seems to be no easy way to use a remote terminal, 
I'll just have a process running on the remote node which reads entire
command lines and sends them to my application on the local node. 

Thanks anyway,
				Pim Willemsen

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   Pim Willemsen           |    =========   BSO/Automation Technology
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