WANProxy 0.8.0 release notes.

[Diego Woitasen]

On Fri, Sep 21, 2012 at 6:06 PM, Juli Mallett <juli at clockworksquid.com> wrote:
> WANProxy 0.8.0 is now available from Subversion and on the web!
>
> Subversion: http://wanproxy.org/svn/releases/wanproxy-0.8.0
> WWW: http://wanproxy.org/releases/wanproxy-0.8.0.tar.gz
>
> This release is most obviously a bug-fix release, but also paves the
> way for several features that are in the pipeline.
>
> That said, over the last year and a half (since the last release), I
> have had very little time to work on WANProxy.  I have been attending
> graduate school full-time while working full-time and otherwise
> leaving myself very little time to work on my open source projects.  I
> expected last year that by now I would have finished work on
> persistent caching, and have introduced features involving monitoring,
> and support for proxying and deduplicating SSH.
>
> The last is the item I've made the most progress on, and have
> repeatedly gotten together parts of a working implementation only to
> decide not to commit them.  I've been attempting to use the scraps of
> time I have here and there to work on that feature because I think
> it's a compelling one as part of an open source ecosystem.  I know
> many of us who rely on open source tools rely especially on SSH for
> all kinds of infrastructure, including offsite backups and routine
> data transfers.  I know exactly what code I need to (re)write to make
> WANProxy viable as an SSH proxy including deduplication, but haven't
> been able to get more than about a day of work in on it in the main
> tree over the past year.  I want to let users of WANProxy know that
> there are plans for it that will increase its usefulness and
> relevance.
>
> I should also acknowledge that diegows (Diego Woitasen) has been doing
> excellent work on adding features to WANProxy for his customers.  I
> know that he's posted about that here previously.  His github tree is
> definitely worth a look if you're interested in getting new features
> today rather than waiting for the results of my development.  I'm sure
> he'll continue to track my changes, and so using his tree may offer
> the best of both worlds:
>
> https://github.com/diegows/wanproxy
>
> Which is all very strange stuff to include in release notes, but I
> think they're relevant, even essential, to putting this release in
> context.
>
> There is one important bug fix:
> o) A bug in the XCodec has been fixed which could cause assertion
> failures, or connection resets in certain race conditions, or when
> data at the end of a connection required an ASK to be sent from one
> side to the other.  (This is the output_eos_ assertion that has
> affected many installations.  This was a genuine bug, and would result
> in wrong behavior in the case where the assertion was simply disabled.
>  Upgrading is encouraged.)
>
> Here's what else has changed:
> o) Incomplete or rudimentary support for HTTP and SSH have been added,
> not sufficient to do proxying of those protocols at the moment.
> o) Configuration reporting, although no real management or statistics,
> is now available over HTTP using a built-in HTTP server.
> o) Several internal data structures and abstractions have been cleaned
> up.  Notably some things related to callbacks.  A new EventHandler
> helper class has been added to simplify writing code which does event
> handling.
> o)  The cryptographic framework has seen non-trivial improvements as a
> result of its use in the SSH effort.
> o) Logging, particularly with regard to assertion failures, has been improved.
> o) Some performance improvements in XCodec hashing.
> o) The included tack utility now supports storing its hash database in
> a user-specified file.  This makes it very useful for simple,
> user-space storage deduplication.
> o) More tests and sample programs have been added for performance
> evaluation and to ensure correctness.
> o) Performance improvements to the Buffer class.
> o) Interface extensions to the Buffer class.
> o) Added a simple web server, called websplat, to demonstrate HTTP capabilities.
> o) Added a diskdup program which makes two block devices match each
> other with the minimal number of writes necesary, to demonstrate
> several facilities.
> o) Added fwdproxy, which is a simple program to do connection forwarding.
> o) Fixed a crash when parsing configuration files with only whitespace
> on a line.
>
> You can also simply view the diffs between the releases for yourself
> with "svn diff", using a command like this:
> svn diff http://wanproxy.org/svn/releases/wanproxy-{0.7.2,0.8.0}
> _______________________________________________
> wanproxy mailing list
> wanproxy at lists.wanproxy.org
> http://lists.wanproxy.org/listinfo.cgi/wanproxy-wanproxy.org


Hi Juli,
 This is a great news. I'll try to merge your changes in my tree.

 I hope we have time in the future to work on this to merge both
trees. Mine is a working proof of concept. Needs more work to be
merged but a have some problems with my schedule too :)

Regards,
  Diego

-- 
Diego Woitasen