Hello, I am sorry , while using the controller ryu emerged following
situation:when running standard applications such as ryu simple_switch,
ofp_event.EventOFPPacketIn event is triggered and the result is displayed , for
example:
packet in 1 00:00:00:00:00:01 ff:ff:ff:ff:ff:ff 1
packet in 1 00:00:00:00:00:02 00:00:00:00:00:01 2
packet in 1 00:00:00:00:00:01 00:00:00:00:00:02 1
but when I try to run a custom application for ryu, event
ofp_event.EventOFPPacketIn why it does not work and the console does not output
anything. What could be the reason? Tried to reinstall ryu, but without success.
Application code that I used:
import array
from ryu.base import app_manager
from ryu.controller import ofp_event
from ryu.controller.handler import MAIN_DISPATCHER
from ryu.controller.handler import set_ev_cls
from ryu.lib.packet import packet
class L2Switch (app_manager.RyuApp):
def __init__ ( self , *args , **kwargs):
super ( L2Switch,self) . __init__ ( *args ,** kwargs )
@set_ev_cls(ofp_event.EventOFPPacketIn,MAIN_DISPATCHER)
def packet_parsing(self, ev):
datapath = ev.msg.datapath
parser = datapath.ofproto_parser
pkt = packet.Packet(array.array('B', ev.msg.data))
for p in pkt:
print p.protocol_name
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