def runTest(self):
ing_port = flow_mods_port_map.keys()[0]
out_port1 = flow_mods_port_map.keys()[1]
testutils.delete_all_flows(self.controller, self.logger)
flow_add = message.flow_mod()
flow_add.buffer_id = 0xffffffff
flow_add.header.xid = 123
flow_add.table_id = 0
flow_add.command = ofp.OFPFC_ADD
flow_add.match_fields.add(match.eth_type(value=0x86dd))
flow_add.match_fields.add(match.ipv4_src(value=3232235521))
flow_add.match_fields.add(match.ipv4_dst(value=3232235522))
flow_add.match_fields.add(match.metadata(value=0))
"new a instruction"
inst = instruction.instruction_write_actions()
"new a output actions"
act = action.action_output()
act.port = out_port1
inst.actions.add(act)
flow_add.instructions.add(inst)
#self.controller.message_send(flow_add)
#print(flow_add.show())
testutils.ofmsg_send(self, flow_add)
(response, raw) = self.controller.poll(ofp.OFPT_ERROR, 2)
self.assertTrue(response is not None, 'No error message received')
self.assertEqual(
ofp.OFPET_BAD_MATCH, response.type,
'Error message type mismatch: ' + str(ofp.OFPET_BAD_MATCH) +
" != " + str(response.type))
self.assertEqual(
ofp.OFPBMC_BAD_PREREQ, response.code,
'Error message code mismatch: ' + str(ofp.OFPBMC_BAD_PREREQ) +
" != " + str(response.code))
def runTest(self):
ing_port = flow_mods_port_map.keys()[0]
out_port1 = flow_mods_port_map.keys()[1]
testutils.delete_all_flows(self.controller, self.logger)
flow_add = message.flow_mod()
flow_add.buffer_id = 0xffffffff;
flow_add.header.xid = 123
flow_add.table_id = 0
flow_add.command = ofp.OFPFC_ADD
flow_add.match_fields.add(match.eth_type(value = 0x86dd))
flow_add.match_fields.add(match.ipv4_src(value = 3232235521))
flow_add.match_fields.add(match.ipv4_dst(value = 3232235522))
flow_add.match_fields.add(match.metadata(value = 0))
"new a instruction"
inst = instruction.instruction_write_actions()
"new a output actions"
act = action.action_output()
act.port = out_port1
inst.actions.add(act)
flow_add.instructions.add(inst)
#self.controller.message_send(flow_add)
#print(flow_add.show())
testutils.ofmsg_send(self, flow_add)
(response, raw) = self.controller.poll(ofp.OFPT_ERROR, 2)
self.assertTrue(response is not None, 'No error message received')
self.assertEqual(ofp.OFPET_BAD_MATCH, response.type,
'Error message type mismatch: ' +
str(ofp.OFPET_BAD_MATCH) + " != " +
str(response.type))
self.assertEqual(ofp.OFPBMC_BAD_PREREQ, response.code,
'Error message code mismatch: ' +
str(ofp.OFPBMC_BAD_PREREQ) + " != " +
str(response.code))
def packet_to_flow_match(packet):
"""
Create a flow match that matches packet with the given wildcards
@param packet The packet to use as a flow template
@param pkt_format Currently only L2 is supported. Will indicate the
overall packet type for parsing
@return An ofp_match object if successful. None if format is not
recognized. The wildcards of the match will be cleared for the
values extracted from the packet.
@todo check min length of packet
@todo Check if packet is other than L2 format
@todo implement other fields covered by OpenFlow 1.2
"""
match_ls = match_list()
if Ether in packet:
ether = packet[Ether]
eth_type = match.eth_type(ether.type)
eth_dst = match.eth_dst(parse_mac(ether.dst))
eth_src = match.eth_src(parse_mac(ether.src))
match_ls.add(eth_type)
match_ls.add(eth_dst)
match_ls.add(eth_src)
else:
return match_ls
if Dot1Q in packet:
#TODO: nicer way to get last vlan tag?
vlan = packet[Dot1Q:0]
vlan_vid = match.vlan_vid(vlan.vlan)
vlan_pcp = match.vlan_pcp(vlan.prio)
match_ls.add(vlan_vid)
match_ls.add(vlan_pcp)
vlan_pl = vlan.payload
while vlan_pl is not None and vlan_pl.name == Dot1Q.name:
vlan = vlan_pl
vlan_pl = vlan.payload
#We need to overwrite the already
# inserted eth_type
eth_index = match.tlvs.index()
eth_type = match.eth_type(vlan.type)
match_ls.tlvs.insert(vlan.type, eth_index)
#TODO ARP
if MPLS in packet:
mpls = packet[MPLS:0]
mpls_label = match.mpls_label(mpls.label)
mpls_tc = match.mpls_tc(mpls.cos)
match_ls.add(mpls_label)
match_ls.add(mpls_tc)
return match_ls
if IP in packet:
ip = packet[IP]
ipv4_src = match.ipv4_src(parse_ip(ip.src))
ipv4_dst = match.ipv4_dst(parse_ip(ip.dst))
ip_dscp = match.ip_dscp(ip.tos >> 2)
ip_ecn = match.ip_ecn(ip.tos & 0x03)
match_ls.add(ipv4_src)
match_ls.add(ipv4_dst)
match_ls.add(ip_dscp)
match_ls.add(ip_ecn)
else:
return match_ls
if TCP in packet:
tcp = packet[TCP]
ip_proto = match.ip_proto(6)
tcp_src = match.tcp_src(tcp.sport)
tcp_dst = match.tcp_dst(tcp.dport)
match_ls.add(ip_proto)
match_ls.add(tcp_src)
match_ls.add(tcp_dst)
return match_ls
if UDP in packet:
udp = packet[UDP]
ip_proto = match.ip_proto(17)
udp_src = match.tcp_src(udp.sport)
udp_dst = match.tcp_dst(udp.dport)
match_ls.add(ip_proto)
match_ls.add(udp_src)
match_ls.add(udp_dst)
returnmatch_ls
if ICMP in packet:
icmp = packet[ICMP]
ip_proto = match.ip_proto(1)
icmp_type = match.icmp_type(icmp.type)
icmp_code = match.icmp_code(icmp.code)
match_ls.add(icmp_type)
match_ls.add(icmp_code)
return match_ls
return match_ls
def packet_to_flow_match(packet):
"""
Create a flow match that matches packet with the given wildcards
@param packet The packet to use as a flow template
@param pkt_format Currently only L2 is supported. Will indicate the
overall packet type for parsing
@return An ofp_match object if successful. None if format is not
recognized. The wildcards of the match will be cleared for the
values extracted from the packet.
@todo check min length of packet
@todo Check if packet is other than L2 format
@todo implement other fields covered by OpenFlow 1.2
"""
match_ls = match_list()
if Ether in packet:
ether = packet[Ether]
eth_type = match.eth_type(ether.type)
eth_dst = match.eth_dst(parse_mac(ether.dst))
eth_src = match.eth_src(parse_mac(ether.src))
match_ls.add(eth_type)
match_ls.add(eth_dst)
match_ls.add(eth_src)
else:
return match_ls
if Dot1Q in packet:
#TODO: nicer way to get last vlan tag?
vlan = packet[Dot1Q:0]
vlan_vid = match.vlan_vid(vlan.vlan)
vlan_pcp = match.vlan_pcp(vlan.prio)
match_ls.add(vlan_vid)
match_ls.add(vlan_pcp)
vlan_pl = vlan.payload
while vlan_pl is not None and vlan_pl.name == Dot1Q.name:
vlan = vlan_pl
vlan_pl = vlan.payload
#We need to overwrite the already
# inserted eth_type
eth_index = match.tlvs.index()
eth_type = match.eth_type(vlan.type)
match_ls.tlvs.insert(vlan.type,eth_index)
#TODO ARP
if MPLS in packet:
mpls = packet[MPLS:0]
mpls_label = match.mpls_label(mpls.label)
mpls_tc = match.mpls_tc(mpls.cos)
match_ls.add(mpls_label)
match_ls.add(mpls_tc)
return match_ls
if IP in packet:
ip = packet[IP]
ipv4_src = match.ipv4_src(parse_ip(ip.src))
ipv4_dst = match.ipv4_dst(parse_ip(ip.dst))
ip_dscp = match.ip_dscp(ip.tos >> 2)
ip_ecn = match.ip_ecn(ip.tos & 0x03)
match_ls.add(ipv4_src)
match_ls.add(ipv4_dst)
match_ls.add(ip_dscp)
match_ls.add(ip_ecn)
else:
return match_ls
if TCP in packet:
tcp = packet[TCP]
ip_proto = match.ip_proto(6)
tcp_src = match.tcp_src(tcp.sport)
tcp_dst = match.tcp_dst(tcp.dport)
match_ls.add(ip_proto)
match_ls.add(tcp_src)
match_ls.add(tcp_dst)
return match_ls
if UDP in packet:
udp = packet[UDP]
ip_proto = match.ip_proto(17)
udp_src = match.tcp_src(udp.sport)
udp_dst = match.tcp_dst(udp.dport)
match_ls.add(ip_proto)
match_ls.add(udp_src)
match_ls.add(udp_dst)
returnmatch_ls
if ICMP in packet:
icmp = packet[ICMP]
ip_proto = match.ip_proto(1)
icmp_type = match.icmp_type(icmp.type)
icmp_code = match.icmp_code(icmp.code)
match_ls.add(icmp_type)
match_ls.add(icmp_code)
return match_ls
return match_ls