Hi all,
Sometimes app can't get EventOFPSwitchFeatures ( CONFIG_DISPATCHER) event
when OVS(especially, Openflow 1.0) enter. But EventOFPStateChange(
MAIN_DISPATCHER ) was received.
In ryu/app/ofctl/service.py, add new switch by get EventOFPSwitchFeatures. If
this event was not sent, _switches is empty.
Could the decorator of _switch_features_handler() replace
EventOFPSwitchFeatures with EventOFPStateChange? Like this patch. Or it's not
a good idea.
Thank u!
diff --git a/ryu/app/ofctl/service.py b/ryu/app/ofctl/service.py
index 19aebd4..2d98278 100644
--- a/ryu/app/ofctl/service.py
+++ b/ryu/app/ofctl/service.py
@@ -69,9 +69,9 @@ class OfctlService(app_manager.RyuApp):
return (ofp_event.ofp_msg_to_ev_cls(type(msg)) ==
ofp_event.EventOFPErrorMsg)
- @set_ev_cls(ofp_event.EventOFPSwitchFeatures, CONFIG_DISPATCHER)
+ @set_ev_cls(ofp_event.EventOFPStateChange, MAIN_DISPATCHER)
def _switch_features_handler(self, ev):
- datapath = ev.msg.datapath
+ datapath = ev.datapath
id = datapath.id
assert isinstance(id, numbers.Integral)
old_info = self._switches.get(id, None)
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