def test_Packet_in_2_icmpEcho1(self):
print "*** Case2: HOST2のMAC未学習の時、HOST1からICMP Echoを受信 ***"
sr = SimpleForward()
dstMac = ROUTER_MACADDR1
srcMac = HOST_MACADDR1
srcIp = HOST_IPADDR1
dstIp = HOST_IPADDR2
targetMac = dstMac
targetIp = dstIp
ttl = 64
datapath = _Datapath()
e = ethernet(dstMac, srcMac, ether.ETH_TYPE_IP)
iph = ipv4(4, 5, 0, 0, 0, 2, 0, ttl, 1, 0, srcIp, dstIp)
echo = icmp.echo(1, 1, 'unit test')
icmph = icmp.icmp(8, 0, 0, echo)
p = Packet()
p.add_protocol(e)
p.add_protocol(iph)
p.add_protocol(icmph)
p.serialize()
packetIn = OFPPacketIn(datapath, match=OFPMatch(in_port=1), data=buffer(p.data))
ev = ofp_event.EventOFPPacketIn(packetIn)
result = sr.packet_in_handler(ev)
self.assertEqual(result, 1)
print ""
def send_icmp(self,
datapath,
srcMac,
srcIp,
dstMac,
dstIp,
outPort,
seq,
data,
id=1,
type=8,
ttl=64):
e = ethernet(dstMac, srcMac, ether.ETH_TYPE_IP)
iph = ipv4(4, 5, 0, 0, 0, 2, 0, ttl, 1, 0, srcIp, dstIp)
echo = icmp.echo(id, seq, data)
icmph = icmp.icmp(type, 0, 0, echo)
p = Packet()
p.add_protocol(e)
p.add_protocol(iph)
p.add_protocol(icmph)
p.serialize()
actions = [datapath.ofproto_parser.OFPActionOutput(outPort, 0)]
out = datapath.ofproto_parser.OFPPacketOut(
datapath=datapath,
buffer_id=0xffffffff,
in_port=datapath.ofproto.OFPP_CONTROLLER,
actions=actions,
data=p.data)
datapath.send_msg(out)
return 0
def test_Packet_in_4_icmpEcho2(self):
print "*** Case4: HOST2からHOST1以外の宛先IPへのIPパケットを受信 ***"
sr = SimpleForward()
sr.HOST_MACADDR1 = HOST_MACADDR1
sr.HOST_MACADDR2 = HOST_MACADDR2
dstMac = ROUTER_MACADDR2
srcMac = HOST_MACADDR2
srcIp = HOST_IPADDR2
dstIp = "91.189.89.22"
ttl = 64
datapath = _Datapath()
e = ethernet(dstMac, srcMac, ether.ETH_TYPE_IP)
iph = ipv4(4, 5, 0, 0, 0, 2, 0, ttl, 1, 0, srcIp, dstIp)
p = Packet()
p.add_protocol(e)
p.add_protocol(iph)
p.serialize()
packetIn = OFPPacketIn(datapath, match=OFPMatch(in_port=2), data=buffer(p.data))
ev = ofp_event.EventOFPPacketIn(packetIn)
result = sr.packet_in_handler(ev)
self.assertEqual(result, 1)
print ""
def test_Packet_in_2_icmpEcho1(self):
print "*** Case2: HOST2のMAC未学習の時、HOST1からICMP Echoを受信 ***"
sr = SimpleForward()
dstMac = ROUTER_MACADDR1
srcMac = HOST_MACADDR1
srcIp = HOST_IPADDR1
dstIp = HOST_IPADDR2
targetMac = dstMac
targetIp = dstIp
ttl = 64
datapath = _Datapath()
e = ethernet(dstMac, srcMac, ether.ETH_TYPE_IP)
iph = ipv4(4, 5, 0, 0, 0, 2, 0, ttl, 1, 0, srcIp, dstIp)
echo = icmp.echo(1, 1, 'unit test')
icmph = icmp.icmp(8, 0, 0, echo)
p = Packet()
p.add_protocol(e)
p.add_protocol(iph)
p.add_protocol(icmph)
p.serialize()
packetIn = OFPPacketIn(datapath,
match=OFPMatch(in_port=1),
data=buffer(p.data))
ev = ofp_event.EventOFPPacketIn(packetIn)
result = sr.packet_in_handler(ev)
self.assertEqual(result, 1)
print ""
def test_Packet_in_4_icmpEcho2(self):
print "*** Case4: HOST2からHOST1以外の宛先IPへのIPパケットを受信 ***"
sr = SimpleForward()
sr.HOST_MACADDR1 = HOST_MACADDR1
sr.HOST_MACADDR2 = HOST_MACADDR2
dstMac = ROUTER_MACADDR2
srcMac = HOST_MACADDR2
srcIp = HOST_IPADDR2
dstIp = "91.189.89.22"
ttl = 64
datapath = _Datapath()
e = ethernet(dstMac, srcMac, ether.ETH_TYPE_IP)
iph = ipv4(4, 5, 0, 0, 0, 2, 0, ttl, 1, 0, srcIp, dstIp)
p = Packet()
p.add_protocol(e)
p.add_protocol(iph)
p.serialize()
packetIn = OFPPacketIn(datapath,
match=OFPMatch(in_port=2),
data=buffer(p.data))
ev = ofp_event.EventOFPPacketIn(packetIn)
result = sr.packet_in_handler(ev)
self.assertEqual(result, 1)
print ""
def send_icmp(self, datapath, etherFrame,ipPacket, icmpPacket,inPort):
e = ethernet(dst=etherFrame.src ,
src=etherFrame.dst,
ethertype=ether.ETH_TYPE_IP)
a = ipv4(version=ipPacket.version, header_length=ipPacket.header_length, tos=ipPacket.tos,
total_length=ipPacket.total_length, identification=ipPacket.identification, flags=ipPacket.flags,
offset=ipPacket.offset, ttl=ipPacket.ttl, proto=ipPacket.proto, csum=ipPacket.csum,
src=ipPacket.dst,
dst= ipPacket.src,
option=None)
b = icmp( type_=ICMP_ECHO_REPLY, code=icmpPacket.code, csum=icmpPacket.csum, data=icmpPacket.data)
p = Packet()
p.add_protocol(e)
p.add_protocol(a)
p.add_protocol(b)
p.serialize()
actions = [datapath.ofproto_parser.OFPActionOutput(inPort, 0)]
out = datapath.ofproto_parser.OFPPacketOut(
datapath=datapath,
buffer_id=0xffffffff,
in_port=datapath.ofproto.OFPP_CONTROLLER,
actions=actions,
data=p.data)
datapath.send_msg(out)
def send_icmp(self, datapath, etherFrame, ipPacket, icmpPacket, inPort):
e = ethernet(dst=etherFrame.src,
src=etherFrame.dst,
ethertype=ether.ETH_TYPE_IP)
a = ipv4(version=ipPacket.version,
header_length=ipPacket.header_length,
tos=ipPacket.tos,
total_length=ipPacket.total_length,
identification=ipPacket.identification,
flags=ipPacket.flags,
offset=ipPacket.offset,
ttl=ipPacket.ttl,
proto=ipPacket.proto,
csum=ipPacket.csum,
src=ipPacket.dst,
dst=ipPacket.src,
option=None)
b = icmp(type_=ICMP_ECHO_REPLY,
code=icmpPacket.code,
csum=icmpPacket.csum,
data=icmpPacket.data)
p = Packet()
p.add_protocol(e)
p.add_protocol(a)
p.add_protocol(b)
p.serialize()
actions = [datapath.ofproto_parser.OFPActionOutput(inPort, 0)]
out = datapath.ofproto_parser.OFPPacketOut(
datapath=datapath,
buffer_id=0xffffffff,
in_port=datapath.ofproto.OFPP_CONTROLLER,
actions=actions,
data=p.data)
datapath.send_msg(out)
def send_icmp(self, datapath, srcMac, srcIp, dstMac, dstIp, outPort, seq, data, id=1, type=8, ttl=64):
e = ethernet(dstMac, srcMac, ether.ETH_TYPE_IP)
iph = ipv4(4, 5, 0, 0, 0, 2, 0, ttl, 1, 0, srcIp, dstIp)
echo = icmp.echo(id, seq, data)
icmph = icmp.icmp(type, 0, 0, echo)
p = Packet()
p.add_protocol(e)
p.add_protocol(iph)
p.add_protocol(icmph)
p.serialize()
actions = [datapath.ofproto_parser.OFPActionOutput(outPort, 0)]
out = datapath.ofproto_parser.OFPPacketOut(
datapath=datapath,
buffer_id=0xffffffff,
in_port=datapath.ofproto.OFPP_CONTROLLER,
actions=actions,
data=p.data)
datapath.send_msg(out)
return 0