Hi,
I have modified simple_switch.py so that when we add flow there are 2 actions.
Every packet is sent to dest_port and OFPP_CONTROLLER.
I modified actions to this
actions = [datapath.ofproto_parser.OFPActionOutput(out_port),
datapath.ofproto_parser.OFPActionOutput(ofproto.OFPP_CONTROLLER)]
So that my controller also recieves every packet.
My intension for this..is that I want to inspect every incoming packet.
But this is failing right now with this error
ryu@ryu-vm:~/ryuNew$ PYTHONPATH=. ./bin/ryu-manager --verbose
ryu/app/simple_switch.py
loading app ryu/app/simple_switch.py
loading app ryu.controller.ofp_handler
instantiating app ryu.controller.ofp_handler of OFPHandler
instantiating app ryu/app/simple_switch.py of SimpleSwitch
BRICK SimpleSwitch
CONSUMES EventOFPPortStatus
CONSUMES EventOFPPacketIn
BRICK ofp_event
PROVIDES EventOFPPortStatus TO {'SimpleSwitch': set(['main'])}
PROVIDES EventOFPPacketIn TO {'SimpleSwitch': set(['main'])}
CONSUMES EventOFPErrorMsg
CONSUMES EventOFPHello
CONSUMES EventOFPPortDescStatsReply
CONSUMES EventOFPEchoRequest
CONSUMES EventOFPSwitchFeatures
connected socket:<eventlet.greenio.GreenSocket object at 0x2de1290>
address:('127.0.0.1', 57792)
hello ev <ryu.controller.ofp_event.EventOFPHello object at 0x2de15d0>
move onto config mode
switch features ev version: 0x1 msg_type 0x6 xid 0xef6d2d4f
OFPSwitchFeatures(actions=4095,capabilities=199,datapath_id=1,n_buffers=256,n_tables=254,ports={1:
OFPPhyPort(port_no=1,hw_addr='b6:9f:7f:1e:b8:03',name='s1-eth1',config=0,state=0,curr=192,advertised=0,supported=0,peer=0),
2:
OFPPhyPort(port_no=2,hw_addr='1a:da:b4:87:73:c7',name='s1-eth2',config=0,state=0,curr=192,advertised=0,supported=0,peer=0),
3:
OFPPhyPort(port_no=3,hw_addr='32:e8:e2:e8:9c:3d',name='s1-eth3',config=0,state=0,curr=192,advertised=0,supported=0,peer=0),
65534:
OFPPhyPort(port_no=65534,hw_addr='72:b7:5c:f4:12:40',name='s1',config=0,state=0,curr=0,advertised=0,supported=0,peer=0)})
move onto main mode
EVENT ofp_event->SimpleSwitch EventOFPPacketIn
packet in 1 00:00:00:00:00:02 ff:ff:ff:ff:ff:ff 2
EVENT ofp_event->SimpleSwitch EventOFPPacketIn
packet in 1 00:00:00:00:00:02 ff:ff:ff:ff:ff:ff 2
EVENT ofp_event->SimpleSwitch EventOFPPacketIn
EVENT ofp_event->SimpleSwitch EventOFPPacketIn
hub: uncaught exception: Traceback (most recent call last):
File "/home/ryu/ryu/ryu/lib/hub.py", line 48, in _launch
func(*args, **kwargs)
File "/home/ryu/ryu/ryu/base/app_manager.py", line 198, in _event_loop
handler(ev)
File "/home/ryu/ryuNew/ryu/app/simple_switch.py", line 59, in
_packet_in_handler
dst = eth.dst
AttributeError: 'NoneType' object has no attribute 'dst'
EVENT ofp_event->SimpleSwitch EventOFPPacketIn
EVENT ofp_event->SimpleSwitch EventOFPPacketIn
I tried print the "eth" object and it is none.
Can someone please help me figure this out.
I am fairly new to RYU so any help will be appreciated
Thanks,
Tanvi Bandodkar------------------------------------------------------------------------------
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