RE: Subversion 1.6.0 Release Candidate 3 Released

It's been awhile, and there may be better/newer ways to do this but:

http://msdn.microsoft.com/en-us/library/aa364417(VS.85).aspx

And a functional example provided by someone else:
(I haven't looked at this example, it is just what google found for me)

http://www.codeproject.com/KB/files/directorychangewatcher.aspx

This does require an "active process/thread" to monitor for
changes, where I believe the OSX stuff can be queried when
you are interested in the change list...

Kevin R.

After doing a little search of my own... I think the codeproject sample
uses the ReadDirectoryChangesW API described at

http://msdn.microsoft.com/en-us/library/aa365465.aspx

And yes, I gather this requires having a dedicated thread. I don't see
that as a problem myself, but there is an alternative: it looks like
you can also use FindFirstChangeNotification and
FindNextChangeNotification.

There's an example at
http://www.codeguru.com/cpp/w-p/files/article.php/c4467 that describes
this (actually it describes both approaches), though its sample code is
confusing. Perhaps a better code sample is at
http://www.codeproject.com/KB/system/FolderWatch.aspx . And it appears
to have a caveat described at http://support.microsoft.com/kb/188321
where, if you are watching a network folder, you need to make sure you
have extra permissions.

If I were implementing this, I'd read the codeguru sample briefly, look
at the directorychangewatcher sample from codeproject (which seems to
expose a simpler API), and talk with the TortoiseSVN folks to see what
code could be leveraged directly from there, as well as what problems
they may have run into.

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Received on 2009-03-04 18:42:38 CET