162 lines
4.2 KiB
Python
162 lines
4.2 KiB
Python
# Copyright (c) 2014 Dark Secret Software Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import abc
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import logging
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import six
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logger = logging.getLogger(__name__)
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class NoOpGroup(object):
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def match(self):
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return True
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def mismatch(self, reason):
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return False
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def check(self, value, reason):
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return value
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class Group(object):
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def __init__(self, name):
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self._name = name # Group name
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self._match = 0
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self._mismatch = 0
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self._reasons = {}
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def match(self):
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self._match += 1
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return True
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def mismatch(self, reason):
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count = self._reasons.get(reason, 0)
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self._reasons[reason] = count + 1
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self._mismatch += 1
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return False
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def check(self, value, reason):
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if value:
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return self.match()
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return self.mismatch(reason)
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@six.add_metaclass(abc.ABCMeta)
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class BaseDebugger(object):
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@abc.abstractmethod
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def reset(self):
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pass
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@abc.abstractmethod
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def get_group(self, name):
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pass
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@abc.abstractmethod
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def bump_counter(self, name, inc=1):
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pass
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@abc.abstractmethod
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def get_debug_level(self):
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pass
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class NoOpDebugger(BaseDebugger):
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def __init__(self, *args, **kwargs):
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self.noop_group = NoOpGroup()
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def reset(self):
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pass
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def get_group(self, name):
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return self.noop_group
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def bump_counter(self, name, inc=1):
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pass
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def get_debug_level(self):
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return 0
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class DetailedDebugger(BaseDebugger):
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def __init__(self, name, debug_level):
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super(DetailedDebugger, self).__init__()
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self._name = name
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self._debug_level = debug_level
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self.reset()
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def reset(self):
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# If it's not a match or a mismatch it was a fatal error.
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self._groups = {}
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self._counters = {}
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def get_group(self, name):
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group = self._groups.get(name, Group(name))
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self._groups[name] = group
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return group
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def bump_counter(self, name, inc=1):
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self._counters[name] = self._counters.get(name, 0) + inc
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def get_debug_level(self):
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return self._debug_level
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class DebugManager(object):
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def __init__(self):
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self._debuggers = {}
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def get_debugger(self, trigger_def):
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name = "n/a"
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level = 2 # Default these unknowns to full debug.
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if trigger_def is not None:
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name = trigger_def.name
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level = trigger_def.debug_level
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debugger = self._debuggers.get(name)
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if not debugger:
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if level > 0:
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debugger = DetailedDebugger(name, level)
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else:
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debugger = NoOpDebugger()
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self._debuggers[name] = debugger
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return debugger
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def dump_group(self, debugger, group_name):
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group = debugger.get_group(group_name)
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logger.info("%s Criteria: %d checks, %d passed" %
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(group._name,
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group._match + group._mismatch, group._match))
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if debugger.get_debug_level() > 1:
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for kv in group._reasons.items():
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logger.info(" - %s = %d" % kv)
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def dump_counters(self, debugger):
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for kv in debugger._counters.items():
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logger.info("Counter \"%s\" = %d" % kv)
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def dump_debuggers(self):
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for debugger in self._debuggers.values():
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if debugger.get_debug_level() == 0:
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continue
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logger.info("---- Trigger Definition: %s ----" % debugger._name)
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for name in debugger._groups.keys():
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self.dump_group(debugger, name)
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self.dump_counters(debugger)
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debugger.reset()
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logger.info("----------------------------")
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