[Design] changes in testing sub-system: umlplutotest

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In order to write a new test case for co-terminal tunnels, I needed to have three UMLs under "management" (meaning, I can control the setup and configuration of them via commands sent to the console)

The current test "umlplutotest" can manage at most two such systems.

I started by generalizing the "2host-test.tcl" to 3, and decided to do 'X' systems instead. I then rewrote the umlplutotest to actually use the X-capable test, "Xhost-test.tcl" (Maybe I should called it "Nhost-test")

There are three things which have similar sounding names which may get confusing:

1. machines. Names include: east, west, nic, japan, sunrise, sunset.
2. networks. Names include: east, west, public
3. managed slots: Names include: EAST, WEST.

Usually, the "EAST" slot contains the "east" machine, which connects to the "east" network and the "public" network, but this doesn't have to be the case. The oe-snat-01 test, for instance, needing only two machines under management, has:

      EAST=sunset
      WEST=west

I realize that this can be confusing. The Xhost test now has a list. A test may define:

     XHOST_LIST="EAST WEST FOO BAR" to create slots by those names. It could equally well be:

   XHOST_LIST="HOST1 HOST2 HOST3 HOST4" For each host defined, there are five variables that must be set for Xhost-test.tcl.

	${host}_START		- program to start UML. Usually set
				  for you by functions.sh

	${host}_{INIT,RUN,FINAL}_SCRIPT	  - script to run during init,
				during runtime, and to shutdown the UML.

	REF_${host}_CONSOLE_OUTPUT     - copy of console output to be
				  compared against.

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This code is in HEAD, and snapshots, but is not expected to release with 2.00.

]       ON HUMILITY: to err is human. To moo, bovine.           |  firewalls  [
]   Michael Richardson, Sandelman Software Works, Ottawa, ON    |net architect[
] 
mcr(at)sandelman.ottawa.on.ca 
http://www.sandelman.ottawa.on.ca/ |device driver[
] panic("Just another Debian GNU/Linux using, kernel hacking, security guy"); [

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