Hi，
I try to write function to get topology info in simple_switch.py,but I receive
a lot of packet in messages when I start ryu controller.
If I run "ryu-manager simple_switch.py ",the controller is run normally,but I
can't discover link info.And if run "ryu-manager --observe-links
simple_switch.py",I will receive a lot of packet in messages. I don't know why.
sudo mn --controller=remote --topo linear,2
Add function in simple_simple_switch.py is :
@set_ev_cls(event.EventSwitchEnter)
def get_topology(self,ev):
switch_list=get_switch(self.topology_api_app,None)
switches=[switch.dp.id for switch in switch_list]
links_list=get_link(self.topology_api_app,None)
receive:
packet in 2 02:d5:9e:b1:87:b7 01:80:c2:00:00:0e 2
packet in 1 56:52:4e:dc:b5:b6 01:80:c2:00:00:0e 2
packet in 1 56:52:4e:dc:b5:b6 01:80:c2:00:00:0e 2
packet in 2 f6:a1:05:d0:db:73 33:33:00:00:00:16 1
packet in 1 f6:a1:05:d0:db:73 33:33:00:00:00:16 2
packet in 2 02:d5:9e:b1:87:b7 01:80:c2:00:00:0e 2
packet in 1 56:52:4e:dc:b5:b6 01:80:c2:00:00:0e 2
packet in 1 56:52:4e:dc:b5:b6 33:33:00:00:00:fb 2
packet in 2 02:d5:9e:b1:87:b7 01:80:c2:00:00:0e 2
packet in 1 56:52:4e:dc:b5:b6 01:80:c2:00:00:0e 2
packet in 2 02:d5:9e:b1:87:b7 33:33:00:00:00:fb 2
packet in 1 56:52:4e:dc:b5:b6 33:33:00:00:00:02 2
packet in 2 02:d5:9e:b1:87:b7 01:80:c2:00:00:0e 2
:
:
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