def of_demo_11():
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 11 Start")
print ("<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<")
ctrl = Controller(ctrlIpAddr, ctrlPortNum, ctrlUname, ctrlPswd)
ofswitch = OFSwitch(ctrl, nodeName)
# --- Flow Match: Ethernet Source Address
# Ethernet Destination Address
# IPv4 Source Address
# IPv4 Destination Address
# ICMPv4 Type
# ICMPv4 Code
# IP DSCP
# IP ECN
# Input Port
# NOTE: Ethernet type MUST be 2048 (0x800) -> IPv4 protocol
# IP Protocol Type MUST be 1 -> ICMP
eth_type = ETH_TYPE_IPv4
eth_src = "00:00:00:11:23:ae"
eth_dst = "00:ff:20:01:1a:3d"
ipv4_src = "17.1.2.3/8"
ipv4_dst = "172.168.5.6/18"
ip_proto = IP_PROTO_ICMP
ip_dscp = IP_DSCP_CS2 # 'Class Selector' = 'Immediate'
ip_ecn = IP_ECN_CE # Congestion Encountered
icmpv4_type = 6 # Alternate Host Address
icmpv4_code = 3 # Alternate Address for Host
input_port = 10
print ("<<< 'Controller': %s, 'OpenFlow' switch: '%s'" %
(ctrlIpAddr, nodeName))
print "\n"
print ("<<< Set OpenFlow flow on the Controller")
print (" Match: Ethernet Type (%s)\n"
" Ethernet Source Address (%s)\n"
" Ethernet Destination Address (%s)\n"
" IPv4 Source Address (%s)\n"
" IPv4 Destination Address (%s)\n"
" IP Protocol Number (%s)\n"
" IP DSCP (%s)\n"
" IP ECN (%s)\n"
" ICMPv4 Type (%s)\n"
" ICMPv4 Code (%s)\n"
" Input Port (%s)" %
(hex(eth_type), eth_src,
eth_dst, ipv4_src, ipv4_dst,
ip_proto, ip_dscp, ip_ecn,
icmpv4_type, icmpv4_code,
input_port))
print (" Action: Output (NORMAL)")
time.sleep(rundelay)
flow_entry = FlowEntry()
table_id = 0
flow_entry.set_flow_table_id(table_id)
flow_id = 18
flow_entry.set_flow_id(flow_id)
flow_entry.set_flow_hard_timeout(0)
flow_entry.set_flow_idle_timeout(0)
flow_entry.set_flow_priority(1009)
# --- Instruction: 'Apply-actions'
# Action: 'Output' NORMAL
instruction = Instruction(instruction_order=0)
action = OutputAction(order=0, port="NORMAL")
instruction.add_apply_action(action)
flow_entry.add_instruction(instruction)
# --- Match Fields: Ethernet Type
# Ethernet Source Address
# Ethernet Destination Address
# IPv4 Source Address
# IPv4 Destination Address
# IP Protocol Number
# IP DSCP
# IP ECN
# ICMPv4 Type
# ICMPv4 Code
# Input Port
match = Match()
match.set_eth_type(eth_type)
match.set_eth_src(eth_src)
match.set_eth_dst(eth_dst)
match.set_ipv4_src(ipv4_src)
match.set_ipv4_dst(ipv4_dst)
match.set_ip_proto(ip_proto)
match.set_ip_dscp(ip_dscp)
match.set_ip_ecn(ip_ecn)
match.set_icmpv4_type(icmpv4_type)
match.set_icmpv4_code(icmpv4_code)
match.set_in_port(input_port)
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.brief().lower())
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 (">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>")
