def __init__(self):
BaseCpcNode.__init__(self)
event.EventConsumerMixin.__init__(self, self._event_handler)
event.EventProducerMixin.__init__(self)
self._line_handler = None
self.running = 0
self._children_have_been_discovered = 0
self._autodisc_done_evt = Event()
return
def __init__(self):
BaseCpcNode.__init__(self)
event.EventConsumerMixin.__init__(self,self._event_handler)
event.EventProducerMixin.__init__(self)
self._line_handler = None
self.running = 0
self._children_have_been_discovered = 0
self._autodisc_done_evt = Event()
return
class CpcNode(BaseCpcNode, event.EventConsumerMixin, event.EventProducerMixin):
_state_table = {
0: 'Stopped',
1: 'Able to send',
2: 'Preempted by CPC modem'
}
def __init__(self):
BaseCpcNode.__init__(self)
event.EventConsumerMixin.__init__(self, self._event_handler)
event.EventProducerMixin.__init__(self)
self._line_handler = None
self.running = 0
self._children_have_been_discovered = 0
self._autodisc_done_evt = Event()
return
def start(self):
if self.running == 0:
assert isinstance(self.parent, Port), 'Parent of CpcNode must be Port, not %s' \
% self.parent.__class__.__name__
self._line_handler = LineHandler(self.parent)
self._line_handler.event_subscribe(self, AutoDiscDoneEvent)
self._autodisc_done_evt.clear()
self._line_handler.start()
self.running = 1
BaseCpcNode.start(self)
return
def stop(self):
if self.running != 0:
BaseCpcNode.stop(self)
self.running = 0
self._line_handler.stop()
del self._line_handler
self._line_handler = None
return
def get_state(self):
if self._line_handler:
return self._line_handler.get_state()
return None
def get(self, skipCache=0):
state = self.get_state()
return self._state_table[state]
def _discover_children(self):
if (self.running != 0) and (self._children_have_been_discovered == 0):
autodisc_period = self._line_handler.get_autodiscover_period()
self._autodisc_done_evt.wait()
# If we timed out or the LineHandler never found any devices, then abort:
if (not self._autodisc_done_evt.isSet()) \
or (self._line_handler.get_state() == 0):
self.event_generate(event.Event(source=self))
msglog.log('mpx',msglog.types.ERR,'CPC_UHP: LineHandler autodisc failed.' \
' Aborting child autodisc.')
# Don't come back this way until node has been stopped and restarted:
self._children_have_been_discovered = 1
return self._nascent_children # should be empty
devs = self._line_handler.get_devs()
for dev_id, dev_inst_data in devs.items():
dev = dev_inst_data.dev
dev_child = DeviceNode(dev)
dev_node_name = dev.get_name()
if dev_node_name is None:
msglog.log('mpx',msglog.types.ERR,'Failed to get name from device %s' \
% id(dev))
continue
self._nascent_children[dev_node_name] = dev_child
self._children_have_been_discovered = 1
return self._nascent_children
def get_alarms(self):
if self._line_handler is None:
return []
return self._line_handler.get_alarms()
def _event_handler(self, event):
if not isinstance(event, AutoDiscDoneEvent):
return
self._autodisc_done_evt.set()
return
class CpcNode(BaseCpcNode,event.EventConsumerMixin,event.EventProducerMixin):
_state_table = {0:'Stopped',1:'Able to send',2:'Preempted by CPC modem'}
def __init__(self):
BaseCpcNode.__init__(self)
event.EventConsumerMixin.__init__(self,self._event_handler)
event.EventProducerMixin.__init__(self)
self._line_handler = None
self.running = 0
self._children_have_been_discovered = 0
self._autodisc_done_evt = Event()
return
def start(self):
if self.running == 0:
assert isinstance(self.parent, Port), 'Parent of CpcNode must be Port, not %s' \
% self.parent.__class__.__name__
self._line_handler = LineHandler(self.parent)
self._line_handler.event_subscribe(self,AutoDiscDoneEvent)
self._autodisc_done_evt.clear()
self._line_handler.start()
self.running = 1
BaseCpcNode.start(self)
return
def stop(self):
if self.running != 0:
BaseCpcNode.stop(self)
self.running = 0
self._line_handler.stop()
del self._line_handler
self._line_handler = None
return
def get_state(self):
if self._line_handler:
return self._line_handler.get_state()
return None
def get(self, skipCache=0):
state = self.get_state()
return self._state_table[state]
def _discover_children(self):
if (self.running != 0) and (self._children_have_been_discovered == 0):
autodisc_period = self._line_handler.get_autodiscover_period()
self._autodisc_done_evt.wait()
# If we timed out or the LineHandler never found any devices, then abort:
if (not self._autodisc_done_evt.isSet()) \
or (self._line_handler.get_state() == 0):
self.event_generate(event.Event(source=self))
msglog.log('mpx',msglog.types.ERR,'CPC_UHP: LineHandler autodisc failed.' \
' Aborting child autodisc.')
# Don't come back this way until node has been stopped and restarted:
self._children_have_been_discovered = 1
return self._nascent_children # should be empty
devs = self._line_handler.get_devs()
for dev_id,dev_inst_data in devs.items():
dev = dev_inst_data.dev
dev_child = DeviceNode(dev)
dev_node_name = dev.get_name()
if dev_node_name is None:
msglog.log('mpx',msglog.types.ERR,'Failed to get name from device %s' \
% id(dev))
continue
self._nascent_children[dev_node_name] = dev_child
self._children_have_been_discovered = 1
return self._nascent_children
def get_alarms(self):
if self._line_handler is None:
return []
return self._line_handler.get_alarms()
def _event_handler(self, event):
if not isinstance(event, AutoDiscDoneEvent):
return
self._autodisc_done_evt.set()
return
