def of_demo_43():
f = "cfg.yml"
d = {}
if load_dict_from_file(f, d) is False:
print ("Config file '%s' read error: " % f)
exit(0)
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 43 Start")
print (">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>")
ctrl = Controller(ctrlIpAddr, ctrlPortNum, ctrlUname, ctrlPswd)
ofswitch = OFSwitch(ctrl, nodeName)
print ("<<< 'Controller': %s, 'OpenFlow' switch: '%s'" % (ctrlIpAddr, nodeName))
first_flow_id = 110
# ---------------------------------------------------
# First flow entry
# ---------------------------------------------------
table_id = 0
flow_id = first_flow_id
flow_name = "Set Queue example"
priority = 1000
cookie = 1400
match_in_port = 109
match_eth_type = ETH_TYPE_IPv4
match_ipv4_dst_addr = "10.0.0.0/8"
act_queue_id = 7
act_out_port = 112
print "\n"
print ("<<< Set OpenFlow flow on the Controller")
print (
" Match: Input Port (%s)\n"
" Ethernet Type (%s)\n"
" IPv4 Destination Address (%s)" % (match_in_port, hex(match_eth_type), match_ipv4_dst_addr)
)
print (" Actions: Set Queue (%s)\n" " Output (%s)" % (act_queue_id, act_out_port))
time.sleep(rundelay)
# Allocate a placeholder for the Flow Entry
flow_entry1 = FlowEntry()
# Generic attributes of the Flow Entry
flow_entry1.set_flow_table_id(table_id)
flow_entry1.set_flow_name(flow_name)
flow_entry1.set_flow_id(flow_id)
flow_entry1.set_flow_cookie(cookie)
flow_entry1.set_flow_priority(priority)
flow_entry1.set_flow_hard_timeout(0)
flow_entry1.set_flow_idle_timeout(0)
# Instructions/Actions for the Flow Entry
instruction = Instruction(instruction_order=0)
action_order = 0
action = SetQueueAction(action_order)
action.set_gueue_id(act_queue_id)
instruction.add_apply_action(action)
action_order += 1
action = OutputAction(action_order)
action.set_outport(act_out_port)
instruction.add_apply_action(action)
flow_entry1.add_instruction(instruction)
# Match Fields for the Flow Entry
match = Match()
match.set_in_port(match_in_port)
match.set_eth_type(match_eth_type)
match.set_ipv4_dst(match_ipv4_dst_addr)
flow_entry1.add_match(match)
print ("\n")
print ("<<< Flow to send:")
print flow_entry1.get_payload()
time.sleep(rundelay)
result = ofswitch.add_modify_flow(flow_entry1)
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())
delete_flows(ofswitch, table_id, range(first_flow_id, flow_id + 1))
exit(0)
print "\n".strip()
print ("<<< Get Queues Statistics for Port '%s'") % act_out_port
time.sleep(rundelay)
queues = []
result = ofswitch.get_port_queues_stats(act_out_port, decode_obj=True)
status = result.get_status()
if status.eq(STATUS.OK):
queues = result.get_data()
elif status.eq(STATUS.DATA_NOT_FOUND):
pass
else:
print ("\n")
print ("!!!Error, failed to get queue statistics for port '%s" % act_out_port)
print ("!!!Demo terminated, reason: %s" % status.detailed())
delete_flows(ofswitch, table_id, range(first_flow_id, flow_id + 1))
exit(0)
print "\n".strip()
s = "Port '{} - Queues Statistics'".format(act_out_port)
print " %s\n" % s
if queues:
for queue in sorted(queues, key=lambda q: q.queue_id()):
print " Queue '{}'".format(queue.queue_id())
print "\n".strip()
print " Tx Packets : {}".format(queue.tx_pkts())
print " Tx Bytes : {}".format(queue.tx_bytes())
print " Tx Errors : {}".format(queue.tx_errs())
print " Duration : {}s".format(queue.time_alive())
print "\n".strip()
else:
print " None"
print "\n".strip()
print ("<<< Get Queue '%s' Statistics for Port '%s'" % (act_queue_id, act_out_port))
time.sleep(rundelay)
queue = None
result = ofswitch.get_port_queue_stats(port_num=act_out_port, queue_id=act_queue_id, decode_obj=True)
status = result.get_status()
if status.eq(STATUS.OK):
queue = result.get_data()
elif status.eq(STATUS.DATA_NOT_FOUND):
pass
else:
print ("\n")
print ("!!!Error, failed to get port '%s' queue '%s' statistics " % act_out_port, act_queue_id)
print ("!!!Demo terminated, reason: %s" % status.detailed())
delete_flows(ofswitch, table_id, range(first_flow_id, flow_id + 1))
exit(0)
print "\n".strip()
s = "Port '{}' - Queue '{}' Statistics".format(act_out_port, act_queue_id)
print " %s\n" % s
if queue:
print " Tx Packets : {}".format(queue.tx_pkts())
print " Tx Bytes : {}".format(queue.tx_bytes())
print " Tx Errors : {}".format(queue.tx_errs())
print " Duration : {}s".format(queue.time_alive())
print "\n".strip()
else:
print " None"
print ("\n")
print (
"<<< Delete flows from the Controller's cache "
"and from the table '%s' on the '%s' node" % (table_id, nodeName)
)
time.sleep(rundelay)
delete_flows(ofswitch, table_id, range(first_flow_id, flow_id + 1))
print ("\n")
print (">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>")
print (">>> Demo End")
print (">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>")
