Author: dmeyer
Date: Thu Dec 21 19:32:44 2006
New Revision: 2271
Modified:
trunk/beacon/src/fusefs.py
Log:
add xattr support, not working yet
Modified: trunk/beacon/src/fusefs.py
==============================================================================
--- trunk/beacon/src/fusefs.py (original)
+++ trunk/beacon/src/fusefs.py Thu Dec 21 19:32:44 2006
@@ -142,6 +142,52 @@
return self._filename_map[file].filename
+ def getxattr(self, path, name, size):
+ log.info('getxattr(%s, %s, %s)', path, name, size)
+ val = name # for testing
+
+ # FIXME: The following code should work, but this function is
+ # never called. No idea why. If it works one day, we should
+ # also add sexattr (remeber to check the type of the value to
+ # convert it) and removexattr.
+
+ # file = path[1:] # assume prefixed with single /
+ # if file not in self._filename_map:
+ # return -errno.ENOENT
+ #
+ # val = self._filename_map[file].get(name)
+ # if isinstance(val, unicode):
+ # val = unicode_to_str(val)
+ # val = str(val)
+
+ if size == 0:
+ # We are asked for size of the value.
+ return len(val)
+ return val
+
+
+ def listxattr(self, path, size):
+ log.info('listxattr(%s, %s)', path, size)
+ file = path[1:] # assume prefixed with single /
+ if file not in self._filename_map:
+ return -errno.ENOENT
+ item = self._filename_map[file]
+ attributes = []
+ for key in item.keys():
+ if key in ('parent', 'media', 'parent_type', 'overlay',
+ 'parent_id', 'mtime', 'computed_id', 'id'):
+ continue
+ value = item.get(key)
+ if value is not None:
+ # We use the "user" namespace to please XFS utils
+ attributes.append('user.' + key)
+ if size == 0:
+ # We are asked for size of the attr list, ie. joint size of attrs
+ # plus null separators.
+ return len("".join(attributes)) + len(attributes)
+ return attributes
+
+
def check(self):
"""
Do some sanity checks to catch common gotchas with fuse.
@@ -192,6 +238,15 @@
Main loop for fuse. This needs to be called in a thread. On fuse
shutdown, the kaa notifier main loop will be stopped.
"""
+
+ if True:
+ # activate for debugging to see a logfile in /tmp/fuselog
+ handler = logging.FileHandler('/tmp/fuselog')
+ f = logging.Formatter('%(filename)s %(lineno)s: %(message)s')
+ handler.setFormatter(f)
+ log.addHandler(handler)
+ log.setLevel(logging.INFO)
+
self.check()
fuse.Fuse.main(self)
kaa.notifier.MainThreadCallback(kaa.notifier.shutdown)()
-------------------------------------------------------------------------
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