def _do_control(self, *args, **kargs):
with self.started:
self.threadid = thread.get_ident()
# Update default parameters
a = args + self.init_args[len(args):]
k = self.init_kargs.copy()
k.update(kargs)
self.parse_args(*a, **k)
# Start the automaton
self.state = self.initial_states[0](self)
self.send_sock = self.send_sock_class()
self.listen_sock = conf.L2listen(**self.socket_kargs)
self.packets = PacketList(name="session[%s]" %
self.__class__.__name__)
singlestep = True
iterator = self._do_iter()
self.debug(3, "Starting control thread [tid=%i]" % self.threadid)
try:
while True:
c = self.cmdin.recv()
self.debug(5, "Received command %s" % c.type)
if c.type == _ATMT_Command.RUN:
singlestep = False
elif c.type == _ATMT_Command.NEXT:
singlestep = True
elif c.type == _ATMT_Command.FREEZE:
continue
elif c.type == _ATMT_Command.STOP:
break
while True:
state = iterator.next()
if isinstance(state, self.CommandMessage):
break
elif isinstance(state, self.Breakpoint):
c = Message(type=_ATMT_Command.BREAKPOINT,
state=state)
self.cmdout.send(c)
break
if singlestep:
c = Message(type=_ATMT_Command.SINGLESTEP,
state=state)
self.cmdout.send(c)
break
except StopIteration as e:
c = Message(type=_ATMT_Command.END, result=e.args[0])
self.cmdout.send(c)
except Exception as e:
self.debug(
3, "Transfering exception [%s] from tid=%i" %
(e, self.threadid))
m = Message(type=_ATMT_Command.EXCEPTION,
exception=e,
exc_info=sys.exc_info())
self.cmdout.send(m)
self.debug(3, "Stopping control thread (tid=%i)" % self.threadid)
self.threadid = None
def start(self):
self.s = conf.L2listen(iface=self.iface, filter=self.filter)
