Gnuserv for NT
This is a somewhat modified version of Andy Norman's Gnuserv package. See the
enclosed README for more details.
September 12, 1999. Guy Gascoigne - Piggford <firstname.lastname@example.org>
This is a port of the original Internet socket version of gnuserv to NT and
Win95. As well as allowing the usual connection from client to server when
both are executing on the same machine, this version allows connections to
be made over a network from a telnet or xterm on a Unix machine to an Emacs
and gnuserv on an NT machine.
On the whole I've taken bits and pieces from both the version written by Peter
Breton & Nico Francois as well as the original version by Andy Norman.
I took Andy Norman's stock Unix version and ported the socket code over to
NT (coincidentally this seems to work on Win9x). To this I added some of the
NT specific stuff from Peter Breton & Nico Francois' version.
Changes from either version.
- This version only uses sockets for connection on NT. There is no mailslot
support in this port. This does mean that it can accept connections from
- As per the original docs you need to set the environment variable GNU_SECURE
if you want to be able to make connections from other machines.
- Unlike the original docs, connections from the local machine are allowed
without adding the localhost to the GNU_SECURE file. I judged that local
connections are going to be much less of a security threat on a single
user NT machine than they would be on a potentially multi-unser Unix machine.
Of course if you end out running NT Terminal Server you may want to compile
a version with this switched off.
- There is support for topping the Emacs window in both gnuserv as well
as gnuclient. See later for details.
- gnuclientw is exactly the same as gnuclient except that it defaults to
topping the Emacs window. It is also compiled as a Windows application,
this means that it doesn't flash up a console window when run.
- Since I didn't want to get into changing the emacs-lisp I added support
into gnuserv to allow it to top it's emacs window. The reason being that
gnuclient can only top the window when it's run from the same machine
as the server. By default this support is disabled but defining the environment
variable GNUSERV_SHOW_EMACS enables it.
Either define in globally or add:
(setenv "GNUSERV_SHOW_EMACS" "1")
; force gnuserv to show emacs window, always
to your .emacs file.
- I didn't bother trying to get the unix uid function working in a useful
manner on NT. This means that unlink the unix version the port used is
the default value as opposed to the default value + uid. This only really
matters to you if you try to get separate machines to talk to each other,
in which case you'll want to explicity set the port value by setting GNU_PORT.
- For example, I have NT emacs with gnuserv running on my NT machine. I
have GNU_SECURE set and pointing to a file containing a list of machine
names that I want to accept connections from.
- In my .bashrc on Solaris I have:
export GNU_PORT=21490 # the default port number
export GNU_HOST=cerebus# my NT machine
export GNU_NODE=/ggp@`hostname`: # a suitable ange-ftp prefix
With this set, I can telnet into a unix machine, type 'gc filename' and
have it pop up in my editor on NT. This is so much faster than having
to muck around with a different editor instance on every machine that
I'm logged into.
- If Emacs isn't running on the NT machine, gnuclient will attempt to start
it. First it looks in the registry for the path. This should be there
is addpm has been run, failing that it attempts to find runemacs on the
path. The registry check should meean that you don't need to add the emacs
bin directory to your path any longer.
- Added a -x (execute) option to gnuclient[w]. This simply makes sure that
Emacs is running and visible. I got fed up of running Runemacs only to
find that it was already running but minimized.
- Added a -e (evaluate) option to gnuclient[w]. This causes the following
elisp to be evaluated. This pretty much obsoletes gnudoit. The advantage
of doing it this way is that since a good chunk of the code between the
two is common, this allow all of the NT specific modifications to gnuclient
to be available with the functionality of gnudoit. E.g. checking that
emacs is running and showing the window.
- There is a full VC6 project included as well as makefile for unix. The
binaries were built using VC6SP3.
NOTE: The win9x support is barely tested, do let me know if there are any
A newer and hopefully more compatible version can be found here.
This gnuserv can be downloaded here.
Last modified : Wednesday, May 24, 2000 20:10