[sync] Palm Tungsten C, Synthesis, Results, Patches, and Progress

[Nathan P Sharp]

I have successfully gotten two way syncing mostly working with Synthesis 
on my Palm and Horde!  The executive summary is that it seems to work 
pretty well for day to day normal syncs, and for the first 150 or so 
objects on reloading the server.  For some reason in the latter case the 
client just stops sending records and says that it completed 
successfully. If anyone has any hints on why that might be, I'd love to 
hear them.

The details of what I changed follow and I've attached a couple new 
files and a patchset for the SyncML framework directory.  This is, of 
course, in addition to the earlier patches I sent a few days ago.

8) It turns out that Synthesis won't accept VCALENDAR version 2.0 
records from the server.  It returns a Format Unsupported error.  For 
now, I've simply cheated and mangled the header to say 1.0.  If someone 
knows off the top of their head what the differences are in the format, 
or of a way to make Horde generate true v1.0 records, it would be a big 
help.
9) In order to make that happen, I added a new Device entry for 
Synthesis.  The problem is that Synthesis only sends the device info on 
a slow or reload sync and the source URI is just a random string.  I 
added code to the Final command handler to check for the device info 
being blank and to request the devinf in that case.  The response is 
sent as a Results packet from the client, so I also added a hash to the 
State object so that on the next client packet, it knows how to route 
the incoming Results information.  Lastly, I moved the existing Results 
command handler up a directory and renamed it ResultsSender because it 
was never meant to receive Results packets, but is just for sending 
them.  I replaced the Results file with one that does the routing as 
described above. 

I hope that my work is helpful and can be worked into the SyncML Horde 
effort.  If there is anything I can do to help test, change, or prepare 
this for prime-time, please let me know.

  Nathan

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