IND$FILE module on MVS system

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2 total messages Started by S. Thomas Mils Tue, 01 Sep 1992 18:22

#448

Author: S. Thomas Mils
Date: Tue, 01 Sep 1992 18:22

12 lines
756 bytes

i am looking for information concerning the protocol used by 
the IND$FILE module on an IBM/MVS system.  we need to write 
some routines that will talk to an iron pig using this module.

thanks,

-peter. 
-- 
         It is impossible to achieve an aim, without suffering.

         Some Things do not exist by accident, others by design.

Re: IND$FILE module on MVS system

#450

Author: Chris Huey
Date: Thu, 03 Sep 1992 16:40

34 lines
2026 bytes

S. Thomas Mils (pjansen@gmuvax2.gmu.edu) wrote:
: 
: i am looking for information concerning the protocol used by 
: the IND$FILE module on an IBM/MVS system.  we need to write 
: some routines that will talk to an iron pig using this module.
: 
: thanks,
: 
: -peter. 

From a previous post:
} It is described in an IBM document #ZZ20-5568-0, "Distributed and Office 
} Systems Support Technical Bulletin" "Host to File Transfer", by A.R. Towers.
} Although the copy I have seen is marked "IBM Internal Use Only", I understand
} that it is now available outside of IBM.

Of course which protocol you use depends upon the "mode" of the IND$FILE 
transfer.  There are two protocols that come into play depending upon the 
status of the QUERY bit in the BIND parameters.  If it's set, then you must 
deal with DFT mode transfers (using structured fields).  If not set, then 
you work with CUT mode file transfers.  Any file transfer program you write 
should be able to handle either mode (unless you know specifically which one 
you'll be dealing with.)

BTW, I think the DFT mode protocol is also described in the PC3270 User's Guide
(or some such name) in Appendix C - File Transfer Data Streams.  This is the 
PC that IBM made somewhere around the time the XT came out.

Good Luck.
-- 
Chris Huey                             Motorola Inc., Computer Systems Division
cah@pdx.csd.mot.com                                                            
Voice: (503) 644-4346                  ... uunet!apple!motcsd!mcspdx!cah
"In the beginning was the word, 2 bytes long, aligned on an even boundary."

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