Hi everyone,
I am new in Ryu and I am working on a piece of code to actually get the
statistic of packets.
@set_ev_cls(ofp_event.EventOFPPacketIn, MAIN_DISPATCHER)
def _packet_in_handler(self, ev):
msg = ev.msg
datapath = msg.datapath
in_port = msg.match['in_port']
pkt = packet.Packet(msg.data)
eth = pkt.get_protocols(ethernet.ethernet)[0]
ipp = pkt.get_protocol(ipv4.ipv4)
#print pkt
ipproto = msg.match['ip_proto']
pktstate = msg.match['state']
dst = eth.dst
src = eth.src
ethtype = eth.ethertype
print msg
but when I run the app, I get the following error and I don't know how to solve
it.
hub: uncaught exception: Traceback (most recent call last):
File "/home/mininet/ryu/ryu/lib/hub.py", line 52, in _launch
func(*args, **kwargs)
File "/home/mininet/ryu/ryu/base/app_manager.py", line 287, in _event_loop
handler(ev)
File "/home/mininet/ryu/ryu/app/multi.py", line 101, in _packet_in_handler
ipproto = msg.match['ip_proto']
File "/home/mininet/ryu/ryu/ofproto/ofproto_v1_3_parser.py", line 841, in
__getitem__
return dict(self._fields2)[key]
KeyError: 'ip_proto'
I appreciate it if you can help me with this. Thank you so much.
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