Committed pigeondeliver--main--0.2--patch-66

  Summary: first steps in separating buffering layer and to
add stackable filter support. 
  New version of: pigeondeliver--main--0.2--patch-66
  Available in archive: tlaml.masobit.net--2006-pigeonair
  Committed by: Carlo Contavalli <ccontavallimasobit.net>
            on: Tue Sep 26 10:00:05 UTC 2006

  New-Files: 0
  Modified-Files: 0
  Removed-Files: 0

Changelog:

* doc/libdscmio1 - added a first attempt
  to a reference manual.

* lib/dscm-io1/buffer - added directory for
  buffer handling modules.

* lib/dscm-io1/doc - moved most io1 documents in
  this directory.

* lib/dscm-io1/filter - added directory for
  coming up filters.

* doc/libdscmio1/dia-entry-points.dia - simple
  diagram explaining the basics of dscm-io1 
  interfaces and entry points.

* lib/dscm-io1/TODO - added a very short term
  TODO.

* lib/dscm-io1/doc/hpdc02-drs.pdf - added documents
  about the effects of the size of the buffers 
  on LFN networks.

* lib/dscm-io1/dscm-io1/dscm-filter.h - added 
  first attempt at defining a filtering API.

* lib/dscm-io1/filter/zlib.c - added compression
  and decompression filter. This is just a draft
  right now.

* lib/dscm-io1/hdlr/fd.c - ported fd handler to
  the new API.

* lib/dscm-io1/hdlr/fd.h - same thing as above.

* lib/dscm-io1/trash/buffer.c - well, the
  find . -type f |xargs sed used to restructure
  buffers hit this file 

* lib/dscm-io1/* - big changes to adapt to new 
  buffer handling primitives.