def change_val(self, *args):
try:
new_val = type(self.parent_dict[self.key])(*args)
except (TypeError, ValueError):
raise fsbase.NFSError(rfc1094.NFSERR_ACCES)
self.parent_dict[self.key] = new_val
self.data = self.get_data()
self.set_size()
# This is "rebind", not "mutate".
self.mtime = fsbase.mk_now()
def check_changed(self):
"""Called on every access. Stringifies data, and compares it
with old value to see if it's changed (so that when the python
side changes a value, we reflect that with a changed mtime in
GETATTR, and the NFS client can reread if necesary.This is
comparatively heavyweight, and maybe there should be a flag to
turn it off."""
if self.type != rfc1094.NFDIR:
new_data = self.get_data()
if new_data != self.data:
self.mtime = fsbase.mk_now()
self.data = new_data
self.set_size()
def get_fil(self, fh):
f = self._fils.get(fh, None)
if f != None:
f.check_changed()
f.atime = fsbase.mk_now()
return f
