def get( self, skipCache=0 ):
global meaningful_bytes_delta
#
data = self.parent.get_full()
if not data:
return None
if self.name == 'available':
self.value = data[statvfs.F_BAVAIL] * data[statvfs.F_BSIZE]
elif self.name == 'size':
self.value = data[statvfs.F_BLOCKS] * data[statvfs.F_BSIZE]
elif self.name == 'used':
free = data[statvfs.F_BFREE] * data[statvfs.F_BSIZE]
size = data[statvfs.F_BLOCKS] * data[statvfs.F_BSIZE]
self.value = size - free
else:
raise "Child name (%s) not known" % self.name
#
diffvals = math.fabs(self.old_value - self.value)
if diffvals > meaningful_bytes_delta:
# We have a significant change here. Let the world know!
e = ResourceChangeEvent(self, self.old_value, self.value)
e.name = self.name
self.event_generate(e)
self.old_value = self.value
#
return float(self.value)
def get( self, skipCache=0 ):
global meaningful_percentage_delta
#
data = self.get_full()
if not data:
return None
avail = data[statvfs.F_BAVAIL] * data[statvfs.F_BSIZE]
size = data[statvfs.F_BLOCKS] * data[statvfs.F_BSIZE]
used = size - avail
self.value = float(used) / float(size) * 100.0
#
diffvals = math.fabs(self.old_value - self.value)
if diffvals > meaningful_percentage_delta:
# We have a significant change here. Let the world know!
e = ResourceChangeEvent(self, self.old_value, self.value)
e.available = avail
e.used = used
self.event_generate(e)
self.old_value = self.value
return self.value
