Python OFSwitch.delete_flows方法代码示例

# 需要导入模块: from pybvc.openflowdev.ofswitch import OFSwitch [as 别名]
# 或者: from pybvc.openflowdev.ofswitch.OFSwitch import delete_flows [as 别名]
 def clear_flow(self, options):
     parser = argparse.ArgumentParser(
         prog=self.prog,
         description='Clear OpenFlow flows',
         usage="%(prog)s clear-flow -s=SWITCHID|--switch=SWICTHID\n"
               "                         -t=TABLEID|--table=TABLEID\n"
               "                          [-f=FLOWID|--flow=FLOWID]\n"
               "\n\n"
               "Clear cached flows on the Controller\n\n"
               "\n\n"
               "Options:\n"
               "  -s, --switch   switch identifier\n"
               "  -t, --table    flow table id\n"
               "  -f, --flow     flow id\n"
         
         )
     parser.add_argument('-s', '--switch', metavar = "SWITCHID")
     parser.add_argument('-t', '--table', metavar = "TABLEID", 
                         type=self.positive_int)
     parser.add_argument('-f', '--flow', metavar = "FLOWID")
     parser.add_argument('-U', action="store_true", dest="usage",
                         help=argparse.SUPPRESS)
     args = parser.parse_args(options)
     if(args.usage):
         parser.print_usage()
         print "\n".strip()
         return
     
     if (args.switch == None):
         msg = "option -s (or --switch) is required"
         parser.error(msg)
     
     if (args.table == None):
         msg = "option -t (or --table) is required"
         parser.error(msg)
     
     print "\n".strip()
     print " [Controller '%s']" % self.ctrl_cfg.to_string()
     ctrl = Controller(self.ctrl_cfg.ip_addr, self.ctrl_cfg.tcp_port,
                       self.ctrl_cfg.admin_name, self.ctrl_cfg.admin_pswd)
     ofswitch = OFSwitch(ctrl, args.switch)
     if(args.flow != None):
         result = ofswitch.delete_flow(args.table, args.flow)
     else:
         result = ofswitch.delete_flows(args.table)
     
     status = result.get_status()
     print "\n".strip()
     print "%s" % status.detailed()
     print "\n".strip()

# 需要导入模块: from pybvc.openflowdev.ofswitch import OFSwitch [as 别名]
# 或者: from pybvc.openflowdev.ofswitch.OFSwitch import delete_flows [as 别名]

#.........这里部分代码省略.........
    flowEntries.append(flow_entry)

    # Sample flow entry
    flow_entry = FlowEntry()
    flow_entry.set_flow_cookie(1234)
    flow_entry.set_flow_table_id(flow_table_id)
    flow_entry.set_flow_id(flow_id)
    flow_id += 1
    flow_entry.set_flow_hard_timeout(0)
    flow_entry.set_flow_idle_timeout(0)
    flow_entry.set_flow_priority(4000)

    instruction = Instruction(instruction_order=0)

    action = PopVlanHeaderAction(order=0)
    instruction.add_apply_action(action)

    action = OutputAction(order=1, port=110)
    instruction.add_apply_action(action)

    flow_entry.add_instruction(instruction)

    match = Match()
    match.set_eth_type(ETH_TYPE_IPv4)
    match.set_vlan_id(100)
    match.set_in_port(111)

    flow_entry.add_match(match)

    flowEntries.append(flow_entry)

    print ("\n")
    print ("<<< Remove configured flows from the Controller")
    ofswitch.delete_flows(flow_table_id)

    print ("\n")
    print ("<<< Set OpenFlow flows on the Controller")

    print ("\n")
    print ("<<< Flows to be configured:")

    flowEntries = sorted(flowEntries, key=lambda fe: fe.get_flow_priority())
    for fe in flowEntries:
        print (" %s" % fe.to_ofp_oxm_syntax())

    time.sleep(rundelay)
    success = True
    for fe in flowEntries:
        result = ofswitch.add_modify_flow(fe)
        status = result.get_status()
        if(status.eq(STATUS.OK)):
            pass
        else:
            success = False
            print ("\n")
            print ("!!!Demo terminated, failed to add flow:\n '%s'" %
                   fe.to_ofp_oxm_syntax())
            print (" Failure reason: %s" % status.detailed())

    if success:
        print "\n"
        print ("<<< Flows successfully added to the Controller")
    else:
        print "\n"
        print ("<<< Removing all flows from the Controller")
        ofswitch.delete_flows(flow_table_id)

# 需要导入模块: from pybvc.openflowdev.ofswitch import OFSwitch [as 别名]
# 或者: from pybvc.openflowdev.ofswitch.OFSwitch import delete_flows [as 别名]
    
    flow_entry.add_instruction(instruction)
    
    match = Match()
    match.set_eth_type(ETH_TYPE_IPv4)
    match.set_vlan_id(100)
    match.set_in_port(111)
    
    flow_entry.add_match(match)
    
    flowEntries.append(flow_entry)
    
    
    print ("\n")
    print ("<<< Remove configured flows from the Controller")
    ofswitch.delete_flows(flow_table_id)
    
    
    print ("\n")
    print ("<<< Set OpenFlow flows on the Controller")

    print ("\n")
    print ("<<< Flows to be configured:")
    
    flowEntries = sorted(flowEntries, key=lambda fe: fe.get_flow_priority())
    for fe in flowEntries:
        print (" %s" % fe.to_ofp_oxm_syntax())
    
    
    time.sleep(rundelay)
    success = True