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Path: utzoo!utcs!thurlow
From: thurlow@utcs.UUCP
Newsgroups: comp.sys.amiga
Subject: Re: Problem with Kermit in vt100 v2.2
Message-ID: <1986Nov17.110505.25993@utcs.uucp>
Date: Mon, 17-Nov-86 11:05:05 EST
Article-I.D.: utcs.1986Nov17.110505.25993
Posted: Mon Nov 17 11:05:05 1986
Date-Received: Mon, 17-Nov-86 11:44:33 EST
Reply-To: thurlow@utcs.uucp (Scott A. Thurlow)
Organization: University of Toronto Computing Services, general purpose UNIX
Lines: 29
Keywords: vt100, kermit
Checksum: 15395
Summary: The reason vt100 kermit is broken.

Kermit protocol when sending has the following packet types.

S == beginning of transmission packet.
F == file header packet.
D == data packet.
Z == end of file packet.
B == end of transmission packet.

A kermit upload looks like this:

Send an S packet.  For each file, send an F packet, then as many D packets as 
needed, and a Z packet.  Once all the files are transfered, send a B packet.

the vt100 kermit upload looks like this:

For each file, send an S packet, an F packet, as many D packets as needed,
a Z packet, and a B packet.  Note that an S and B packet is being sent for
each file rather than just at the beginning and end of the transmission.

vt100's method doesn't work since it sends an B packet after each file and
regular kermits (including the vt100 one) exit as soon as they get an B
packet. 

I will be fixing this and "Real Soon Now" ...
-- 
--
S.A. Thurlow
UUCP:  {decvax,seismo!mnetor,utzoo}!utcs!thurlow
ARPA:  ??????