def update_input(self, _input, _input_setting, forwarder):
"""
Update input.
"""
assert _input.split(self.SEP)[0] in \
self._dispatch_schema_manager.get_input_schemas(), \
SnapshotManagerException("Wrong input: {}.".format(_input))
with self._rwlock.writer_lock:
try:
if not forwarder:
if not _input_setting:
# Delete input
del self._dispatch_snapshot[_input]
else:
new_md5 = md5_of_dict(_input_setting)
self._dispatch_snapshot[_input][self.CHECKSUM] = \
new_md5
else:
new_md5 = md5_of_dict(_input_setting)
self._dispatch_snapshot[_input] = {
self.FORWARDER: forwarder,
self.CHECKSUM: new_md5
}
except KeyError:
raise SnapshotManagerException(
"Non exits input: {}.".format(_input))
except Exception as e:
raise SnapshotManagerException(e)
def setting_is_changed(self, name, setting):
"""
Check if setting of name is changed, it will compare the
md5 between old and new setting.
@name: setting name.
@setting: new setting.
@return: True if changed else False.
"""
assert name.split(self.SEP)[0] in \
self._dispatch_schema_manager.get_global_setting_schemas() or \
name.split(self.SEP)[0] in \
self._dispatch_schema_manager.get_input_schemas(), \
SnapshotManagerException("Wrong setting: {}.".format(name))
new_md5 = md5_of_dict(setting)
with self._rwlock.reader_lock:
try:
return not new_md5 == \
self._dispatch_snapshot[name][self.CHECKSUM]
except KeyError:
raise SnapshotManagerException(
"Non exits setting: {}.".format(name))
except Exception as e:
raise SnapshotManagerException(e)
def update_global_setting(self, global_setting, global_setting_setting,
forwarder):
"""
Update global setting.
"""
assert global_setting.split(self.SEP)[0] in \
self._dispatch_schema_manager.get_global_setting_schemas(), \
SnapshotManagerException(
"Wrong global setting: {}.".format(global_setting))
new_md5 = md5_of_dict(global_setting_setting)
with self._rwlock.writer_lock:
if global_setting in self._dispatch_snapshot and \
self._dispatch_snapshot[global_setting][self.CHECKSUM] == new_md5 and \
forwarder not in \
self._dispatch_snapshot[global_setting][self.FORWARDER_LIST]:
self._dispatch_snapshot[global_setting][
self.FORWARDER_LIST].append(forwarder)
else:
self._dispatch_snapshot[global_setting] = \
{self.FORWARDER_LIST: [forwarder], self.CHECKSUM: new_md5}