CM to capture the output of varuous commands so that the logs can be
sent to the user, with formatting.

Add subgroup handing in FlipToGeniUser(), and also add ResetGroups()
to change the user's group membership, since the slice experiments are
now created in a subgroup of GeniSlices (named by the user's SA).

toString() that says how to indent the string. Very useful for
printing debugging output. Defaults to 0 (no formating).

an email message. 2) On real errors, stick the libaudit output into
the "output" slot of the GeniResponse structure.

subgroups of GeniSlices, so need to return that extra group
and group membership for users bound to the slice.

want it in the repo.

might not be able to write the output file. Better to us syslog anyway
since its a low usage command.

Mail follows:

From: Keith Sklower <sklower@vangogh.CS.Berkeley.EDU>
To: ricci@flux.utah.edu
Subject: bug in snmpit_hp.pm
Date: Sat, 6 Nov 2010 13:15:46 -0700 (PDT)

There are two extra characters in snmpit_hp.pm that shouldn't be there.

For some reason, it doesn't seem to matter to older firmware running
on our 5412s that I wanted to do something with a non-existant port,
but a lowly 1U 2810 that we were testing out as a control switch
threw a hissy-fit.

operational and may never be so. Just want to get it into the
repo.

records, with a null URL. Needs more thought, see comment in the code.

Added DoD Distribution Statement A, which pertains to DARPA's support for
certain portions of the Emulab software.  The statement says that these
portions of Emulab are "approved for public release; distribution is
unlimited."

Also performed other various cleanups: put two blank lines before headings;
indent displayed URLs and email addresses consistently; fixed a typo in the
emulab-users list URL; and fixed punctuation around quotes.

Remove Kentucky instructions, just leaving the URL: the ones in
the handout appeared to be out of date, and the online page
contains the full set of instructions

Add a link to the flash client

Add a few URLs for more information

In two formats: a square-ish one and a wide banner. SVG source
and PNG renderings included.

Cons up when I was updating the Xen vnode support last year.

Basically, make it possible to transfer a non imagezip image.  Previously
you had to wrap a regular file as an image in order to transfer it.  The
big hang up was that the frisbee protocol could only transfer files that
were a multiple of 1MB (the chunk size).

This commit changes the frisbee protocol slightly to allow transfer of
non-1MB-multiple files.  The protocol change was to add a new JOIN message
that returns the size of the file in bytes rather than in blocks.  This
allows the client to know that the file in question is not a multiple of 1MB
and allows it to request the correct partial number of blocks for the
final chunk and to extract the correct amount of data from the final 1K block
(that block is still padded to 1K by the server).  For the server side, the
request mostly allows it to do some sanity checking.  The fact that the
server is started with a file that is not a multiple of 1MB is what triggers
it to know about partial chunks.  The sanity checking is that the server will
not acknowledge clients that attempt to join with a version 1 JOIN message,
since nothing good would come of that pairing.

On the client side, frisbee must be invoked with the -N (nodecompress) option
in order to issue a v2 JOIN.  See the comment in the code for the rationale,
but it is largely a backward compat feature.

While I was changing the JOIN message, I added a couple of other future
features.  One is that by passing back a 64-bit value for the size of the
image in bytes, we can feed bigger images.  However there is still much to
be done to realize this.  The other was to add blocksize/chunksize fields
in the message so that the server/client can negotiate the transfer parameters,
e.g., 1024 blocks of 1024 bytes vs. 256 blocks of 8192 bytes, the latter being
for "jumbo" packets on a Gb ethernet.  But there is still more to be done to
get this working too.

This was blowing up the '-N' ("just save it") option of frisbee on big
files.