2013/3/1 can. <[email protected]>:
> What I want is a minimal example of handling event, including:
> 1) define an event
> 2) send an event
> 3) receive an event
The following code would help your understanding?
--
import gevent
from ryu.base import app_manager
from ryu.controller import event
from ryu.controller.handler import set_ev_cls
TEST_EVENT_EV_DISPATCHER = "test_event"
class EventTest(event.EventBase):
def __init__(self, msg):
super(EventTest, self).__init__()
self.msg = msg
class TestEvent(app_manager.RyuApp):
def __init__(self):
super(TestEvent, self).__init__()
self.name = 'test_event'
gevent.spawn_later(0, self._send_event_loop)
def _send_event_loop(self):
i = 0
while True:
self.send_event_to_observers(EventTest(i))
i += 1
gevent.sleep(1)
@set_ev_cls(EventTest, TEST_EVENT_EV_DISPATCHER)
def _recv_handler(self, ev):
print 'recv:', ev.msg
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