def of_demo_21():
f = "cfg.yml"
d = {}
if(load_dict_from_file(f, d) is False):
print("Config file '%s' read error: " % f)
exit()
try:
ctrlIpAddr = d['ctrlIpAddr']
ctrlPortNum = d['ctrlPortNum']
ctrlUname = d['ctrlUname']
ctrlPswd = d['ctrlPswd']
nodeName = d['nodeName']
rundelay = d['rundelay']
except:
print ("Failed to get Controller device attributes")
exit(0)
print ("<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<")
print ("<<< Demo 21 Start")
print ("<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<")
ctrl = Controller(ctrlIpAddr, ctrlPortNum, ctrlUname, ctrlPswd)
ofswitch = OFSwitch(ctrl, nodeName)
# --- Flow Match: Ethernet Type
# IP DSCP
# IP ECN
# IPv6 Source Address
# IPv6 Destination Address
# IPv6 Flow Label
# IPv6 Extension Header
# TCP Source Port
# TCP Destination Port
# Metadata
eth_type = ETH_TYPE_IPv6
ip_dscp = IP_DSCP_CS6 # 'Class Selector' = 'Internet'
ip_ecn = IP_ECN_CE # 'Congestion Encountered'
ipv6_src = "1234:5678:9ABC:DEF0:FDCD:A987:6543:210F/76"
ipv6_dst = "2000:2abc:edff:fe00::3456/94"
ipv6_flabel = 7
ipv6_exthdr = 0 # 'no next header'
ip_proto = IP_PROTO_TCP
tcp_src_port = 1831
tcp_dst_port = 1006
metadata = "123456789"
# --- Flow Actions: Output (CONTROLLER)
output_port = "CONTROLLER"
print ("<<< 'Controller': %s, 'OpenFlow' switch: '%s'" %
(ctrlIpAddr, nodeName))
print "\n"
print ("<<< Set OpenFlow flow on the Controller")
print (" Match: Ethernet Type (%s)\n"
" IP DSCP (%s)\n"
" IP ECN (%s)\n"
" IPv6 Source Address (%s)\n"
" IPv6 Destination Address (%s)\n"
" IPv6 Flow Label (%s)\n"
" IPv6 Extension Header (%s)\n"
" TCP Source Port (%s)\n"
" TCP Destination Port (%s)\n"
" Metadata (%s)" %
(hex(eth_type), ip_dscp, ip_ecn,
ipv6_src, ipv6_dst, ipv6_flabel,
ipv6_exthdr,
tcp_src_port, tcp_dst_port, metadata))
print (" Action: Output (to %s)" % (output_port))
time.sleep(rundelay)
flow_entry = FlowEntry()
table_id = 0
flow_id = 27
flow_entry.set_flow_table_id(table_id)
flow_entry.set_flow_id(flow_id)
flow_entry.set_flow_priority(flow_priority=1020)
flow_entry.set_flow_cookie(cookie=2100)
flow_entry.set_flow_hard_timeout(hard_timeout=1234)
flow_entry.set_flow_idle_timeout(idle_timeout=3456)
flow_entry.set_flow_strict(False)
flow_entry.set_flow_install_hw(False)
# --- Instruction: 'Apply-actions'
# Actions: 'Output'
instruction = Instruction(instruction_order=0)
action = OutputAction(order=0, port=output_port)
instruction.add_apply_action(action)
flow_entry.add_instruction(instruction)
# --- Match Fields: Ethernet Type
# IP DSCP
# IP ECN
# IPv6 Source Address
# IPv6 Destination Address
# IPv6 Flow Label
# IPv6 Extension Header
# IP protocol number (TCP)
# TCP Source Port
# TCP Destination Port
# Metadata
match = Match()
match.set_eth_type(eth_type)
match.set_ip_dscp(ip_dscp)
match.set_ip_ecn(ip_ecn)
match.set_ipv6_src(ipv6_src)
match.set_ipv6_dst(ipv6_dst)
match.set_ipv6_flabel(ipv6_flabel)
match.set_ipv6_exh_hdr(ipv6_exthdr)
match.set_ip_proto(ip_proto)
match.set_tcp_src(tcp_src_port)
match.set_tcp_dst(tcp_dst_port)
match.set_metadata(metadata)
flow_entry.add_match(match)
print ("\n")
print ("<<< Flow to send:")
print flow_entry.get_payload()
time.sleep(rundelay)
result = ofswitch.add_modify_flow(flow_entry)
status = result.get_status()
if(status.eq(STATUS.OK)):
print ("<<< Flow successfully added to the Controller")
else:
print ("\n")
print ("!!!Demo terminated, reason: %s" % status.detailed())
exit(0)
print ("\n")
print ("<<< Get configured flow from the Controller")
time.sleep(rundelay)
result = ofswitch.get_configured_flow(table_id, flow_id)
status = result.get_status()
if(status.eq(STATUS.OK)):
print ("<<< Flow successfully read from the Controller")
print ("Flow info:")
flow = result.get_data()
print json.dumps(flow, indent=4)
else:
print ("\n")
print ("!!!Demo terminated, reason: %s" % status.brief().lower())
exit(0)
print ("\n")
print ("<<< Delete flow with id of '%s' from the Controller's cache "
"and from the table '%s' on the '%s' node" %
(flow_id, table_id, nodeName))
time.sleep(rundelay)
result = ofswitch.delete_flow(flow_entry.get_flow_table_id(),
flow_entry.get_flow_id())
status = result.get_status()
if(status.eq(STATUS.OK)):
print ("<<< Flow successfully removed from the Controller")
else:
print ("\n")
print ("!!!Demo terminated, reason: %s" % status.brief().lower())
exit(0)
print ("\n")
print (">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>")
print (">>> Demo End")
print (">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>")
