from ryu.base import app_manager
from ryu.controller import ofp_event
from ryu.controller.handler import CONFIG_DISPATCHER, MAIN_DISPATCHER
from ryu.controller.handler import set_ev_cls
from ryu.ofproto import ofproto_v1_3
from ryu.lib.packet import packet
from ryu.lib.packet import ethernet
from ryu.lib.packet import ether_types
import logging
class PeiQiaoWang_controller(app_manager.RyuApp):
OFP_VERSIONS = [ofproto_v1_3.OFP_VERSION]
def __init__(self, *args, **kwargs):
super(PeiQiaoWang_controller, self).__init__(*args, **kwargs)
@set_ev_cls(ofp_event.EventOFPFeaturesRequest)
def switch_features_handle(self, ev):
logging.debug("ing")
msg = ev.msg
datapath = msg.datapath
ofproto = datapath.ofproto
parser = datapath.ofproto_parser
print msg, datapath, ofproto, parser
@set_ev_cls(ofp_event.EventOFPSwitchFeatures)
def switch_switch_feature_handle(self, ev):
print "go"
msg = ev.msg
datapath = msg.datapath
ofproto = datapath.ofproto
parser = datapath.ofproto_parser
print "msg=", msg
@set_ev_cls(ofp_event.EventOFPPacketIn, MAIN_DISPATCHER)
def packet_in_handle(self, ev):
logging.info("packetin")
msg = ev.msg
print ev.msg
in_port = msg.match['in_port']
pkt = packet.Packet(msg.data)
print pkt.protocols
print type(pkt.protocols)
print type(pkt[1])