linuxautomaton/linuxautomaton/automaton.py

   1 #!/usr/bin/env python3
   2 #
   3 # The MIT License (MIT)
   4 #
   5 # Copyright (C) 2015 - Julien Desfossez <jdesfosez@efficios.com>
   6 #
   7 # Permission is hereby granted, free of charge, to any person obtaining a copy
   8 # of this software and associated documentation files (the "Software"), to deal
   9 # in the Software without restriction, including without limitation the rights
  10 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11 # copies of the Software, and to permit persons to whom the Software is
  12 # furnished to do so, subject to the following conditions:
  13 #
  14 # The above copyright notice and this permission notice shall be included in
  15 # all copies or substantial portions of the Software.
  16 #
  17 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  20 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23 # SOFTWARE.
  24
  25 from .sched import SchedStateProvider
  26 from .mem import MemStateProvider
  27 from .irq import IrqStateProvider
  28 from .syscalls import SyscallsStateProvider
  29 from .statedump import StatedumpStateProvider
  30 from .block import BlockStateProvider
  31 from .net import NetStateProvider
  32
  33
  34 class State:
  35     def __init__(self):
  36         self.cpus = {}
  37         self.tids = {}
  38         self.disks = {}
  39         self.syscalls = {}
  40         self.mm = {}
  41         self.ifaces = {}
  42         self.dirty_pages = {}
  43         self.interrupts = {}
  44         self.pending_syscalls = []
  45
  46
  47 class Automaton:
  48     def __init__(self):
  49         self._state = State()
  50         self._state_providers = [
  51             SchedStateProvider(self._state),
  52             MemStateProvider(self._state),
  53             IrqStateProvider(self._state),
  54             SyscallsStateProvider(self._state),
  55             StatedumpStateProvider(self._state),
  56             BlockStateProvider(self._state),
  57             NetStateProvider(self._state),
  58         ]
  59
  60     def process_event(self, ev):
  61         for sp in self._state_providers:
  62             sp.process_event(ev)
  63
  64     @property
  65     def state(self):
  66         return self._state