def __init__(self, conf, controllertype):
     super(OpenFlowController, self).__init__(conf, controllertype)
     self.cfg = conf
     self.controllertype = controllertype
     self.ctx = context.get_admin_context()
     self.hostname = utils.get_hostname()
     self.sync_active_state = False
     self.sync_all = True
     self.l3_app = None
     self.heartbeat = None
     self.open_flow_hand = None

    def __init__(self, host=None):
        if host is None:
            host = neutron_utils.get_hostname()
        super(ApicTopologyService, self).__init__(host=host)

        self.apic_manager = ma.APICMechanismDriver.get_apic_manager(False)
        self.peers = {}
        self.conf = cfg.CONF.ml2_cisco_apic
        self.conn = None
        self.invalid_peers = []
        self.dispatcher = None
        self.state = None
        self.state_agent = None
        self.topic = arpc.TOPIC_APIC_SERVICE

    def __init__(self, host=None):
        if host is None:
            host = neutron_utils.get_hostname()
        super(ApicTopologyAgent, self).__init__(host=host)

        self.conf = cfg.CONF.ml2_cisco_apic
        self.count_current = 0
        self.count_force_send = AGENT_FORCE_UPDATE_COUNT
        self.interfaces = {}
        self.lldpcmd = None
        self.peers = {}
        self.port_desc_re = map(re.compile, ACI_PORT_DESCR_FORMATS)
        self.service_agent = ApicTopologyServiceNotifierApi()
        self.state = None
        self.state_agent = None
        self.topic = TOPIC_APIC_SERVICE
        self.uplink_ports = []
        self.invalid_peers = []

 cfg.IntOpt('max_dns_nameservers', default=5,
            help=_("Maximum number of DNS nameservers")),
 cfg.IntOpt('max_subnet_host_routes', default=20,
            help=_("Maximum number of host routes per subnet")),
 cfg.IntOpt('max_fixed_ips_per_port', default=5,
            help=_("Maximum number of fixed ips per port")),
 cfg.IntOpt('dhcp_lease_duration', default=86400,
            deprecated_name='dhcp_lease_time',
            help=_("DHCP lease duration (in seconds). Use -1 to tell "
                   "dnsmasq to use infinite lease times.")),
 cfg.BoolOpt('dhcp_agent_notification', default=True,
             help=_("Allow sending resource operation"
                    " notification to DHCP agent")),
 cfg.BoolOpt('allow_overlapping_ips', default=False,
             help=_("Allow overlapping IP support in Neutron")),
 cfg.StrOpt('host', default=utils.get_hostname(),
            help=_("Hostname to be used by the neutron server, agents and"
                   "services running on this machine. All the agents and "
                   "services running on this machine must use the same "
                   "host value.")),
 cfg.BoolOpt('force_gateway_on_subnet', default=True,
             help=_("Ensure that configured gateway is on subnet. "
                    "For IPv6, validate only if gateway is not a link "
                    "local address. Deprecated, to be removed during the "
                    "K release, at which point the check will be "
                    "mandatory.")),
 cfg.BoolOpt('notify_nova_on_port_status_changes', default=True,
             help=_("Send notification to nova when port status changes")),
 cfg.BoolOpt('notify_nova_on_port_data_changes', default=True,
             help=_("Send notification to nova when port data (fixed_ips/"
                    "floatingip) changes so nova can update its cache.")),

                help=_("Sync data on connect")),
    cfg.BoolOpt('auto_sync_on_failure', default=True,
                help=_("If neutron fails to create a resource because "
                       "the backend controller doesn't know of a dependency, "
                       "automatically trigger a full data synchronization "
                       "to the controller.")),
    cfg.IntOpt('consistency_interval', default=60,
               help=_("Time between verifications that the backend controller "
                      "database is consistent with Neutron")),
    cfg.IntOpt('server_timeout', default=10,
               help=_("Maximum number of seconds to wait for proxy request "
                      "to connect and complete.")),
    cfg.IntOpt('thread_pool_size', default=4,
               help=_("Maximum number of threads to spawn to handle large "
                      "volumes of port creations.")),
    cfg.StrOpt('neutron_id', default='neutron-' + utils.get_hostname(),
               deprecated_name='quantum_id',
               help=_("User defined identifier for this Neutron deployment")),
    cfg.BoolOpt('add_meta_server_route', default=True,
                help=_("Flag to decide if a route to the metadata server "
                       "should be injected into the VM")),
]
router_opts = [
    cfg.MultiStrOpt('tenant_default_router_rule', default=['*:any:any:permit'],
                    help=_("The default router rules installed in new tenant "
                           "routers. Repeat the config option for each rule. "
                           "Format is <tenant>:<source>:<destination>:<action>"
                           " Use an * to specify default for all tenants.")),
    cfg.IntOpt('max_router_rules', default=200,
               help=_("Maximum number of router rules")),
]

        help=_("The username and password for authenticating against " " the BigSwitch or Floodlight controller."),
    ),
    cfg.BoolOpt(
        "server_ssl",
        default=False,
        help=_("If True, Use SSL when connecting to the BigSwitch or " "Floodlight controller."),
    ),
    cfg.BoolOpt("sync_data", default=False, help=_("Sync data on connect")),
    cfg.IntOpt(
        "server_timeout",
        default=10,
        help=_("Maximum number of seconds to wait for proxy request " "to connect and complete."),
    ),
    cfg.StrOpt(
        "neutron_id",
        default="neutron-" + utils.get_hostname(),
        deprecated_name="quantum_id",
        help=_("User defined identifier for this Neutron deployment"),
    ),
    cfg.BoolOpt(
        "add_meta_server_route",
        default=True,
        help=_("Flag to decide if a route to the metadata server " "should be injected into the VM"),
    ),
]


cfg.CONF.register_opts(restproxy_opts, "RESTPROXY")

router_opts = [
    cfg.MultiStrOpt(

 cfg.IntOpt("max_fixed_ips_per_port", default=5, help=_("Maximum number of fixed ips per port")),
 cfg.IntOpt(
     "dhcp_lease_duration",
     default=86400,
     deprecated_name="dhcp_lease_time",
     help=_("DHCP lease duration (in seconds). Use -1 to tell " "dnsmasq to use infinite lease times."),
 ),
 cfg.BoolOpt(
     "dhcp_agent_notification",
     default=True,
     help=_("Allow sending resource operation" " notification to DHCP agent"),
 ),
 cfg.BoolOpt("allow_overlapping_ips", default=False, help=_("Allow overlapping IP support in Neutron")),
 cfg.StrOpt(
     "host",
     default=utils.get_hostname(),
     help=_(
         "Hostname to be used by the neutron server, agents and"
         "services running on this machine. All the agents and "
         "services running on this machine must use the same "
         "host value."
     ),
 ),
 cfg.BoolOpt(
     "force_gateway_on_subnet",
     default=True,
     help=_(
         "Ensure that configured gateway is on subnet. "
         "For IPv6, validate only if gateway is not a link "
         "local address. Deprecated, to be removed during the "
         "K release, at which point the check will be "

    def _sync_routers_task(self, context):
        LOG.debug(_("Starting _sync_routers_task - fullsync:%s"),
                  self.fullsync)
        if not self.fullsync:
            return

        try:
            self.local_ip, self.dvr_base_mac, self.priority = self.agent_rpc.get_init_info(context, uts.get_hostname())
            LOG.debug(_("sync task:local_ip is %s, dvr_base_mac is %s, priority is %s"),
                      self.local_ip, self.dvr_base_mac, self.priority)

            # rebuild default flows
            self.tun_br.remove_all_flows()
            self.gw_br.remove_all_flows()
            self.setup_tunnel_flows()
            self.setup_gateway_flows()
            self.setup_default_flows()

            try:
                self.keepalived_pro = KeepalivedProcess(self.root_helper, self.local_ip, self.priority, conf=self.conf)
                self.keepalived_pro.create_keepalived_cfg()
                self.keepalived_pro.start_keepalived()
            except Exception, e:
                LOG.error(_("start keepalived failed : %s"), e)

            if self.routersync:
                timestamp = timeutils.utcnow()

                # l3_agent will send vm_ip_mac while get_routers
                routers = self.agent_rpc.get_routers(context)
                LOG.debug(_('Processing :%r'), routers)
                for r in routers:
                    if not r.get("ext_net_info"):
                        continue

                    subnets = r.get("subnets")
                    for subnet in subnets:
                        temp = copy.deepcopy(r)
                        temp["subnets"] = [subnet]

                        update = RouterUpdate(r.get("router_id"),
                                              PRIORITY_SYNC_ROUTERS_TASK,
                                              temp,
                                              action=self.ROUTER_INTERFACE_ADD,
                                              timestamp=timestamp)
                        self._queue.add(update)

                    routes = r.get("routes")
                    for route in routes:
                        temp = copy.deepcopy(r)
                        temp["routes"] = [route]
                        temp["subnets"] = []

                        update = RouterUpdate(r.get("router_id"),
                                              PRIORITY_SYNC_ROUTERS_TASK,
                                              temp,
                                              action=self.ROUTER_ROUTE_ADD,
                                              timestamp=timestamp)
                        self._queue.add(update)

            self.fullsync = False
            LOG.debug(_("_sync_routers_task successfully completed"))