# Path: networking_odl/common/constants.py
# ODL_NETWORK = 'network'
# ODL_NETWORKS = 'networks'
# ODL_SUBNET = 'subnet'
# ODL_SUBNETS = 'subnets'
# ODL_PORT = 'port'
# ODL_PORTS = 'ports'
# ODL_SG = 'security_group'
# ODL_SGS = 'security_groups'
# ODL_SG_RULE = 'security_group_rule'
# ODL_SG_RULES = 'security_group_rules'
# ODL_ROUTER = 'router'
# ODL_ROUTERS = 'routers'
# ODL_FLOATINGIP = 'floatingip'
# ODL_FLOATINGIPS = 'floatingips'
# ODL_QOS = 'qos'
# ODL_QOS_POLICY = 'policy'
# ODL_QOS_POLICIES = 'policies'
# ODL_SFC = 'sfc'
# ODL_SFC_FLOW_CLASSIFIER = 'flowclassifier'
# ODL_SFC_FLOW_CLASSIFIERS = 'flowclassifiers'
# ODL_SFC_PORT_PAIR = 'portpair'
# ODL_SFC_PORT_PAIRS = 'portpairs'
# ODL_SFC_PORT_PAIR_GROUP = 'portpairgroup'
# ODL_SFC_PORT_PAIR_GROUPS = 'portpairgroups'
# ODL_SFC_PORT_CHAIN = 'portchain'
# ODL_SFC_PORT_CHAINS = 'portchains'
# NETWORKING_SFC_FLOW_CLASSIFIER = 'flow_classifier'
# NETWORKING_SFC_FLOW_CLASSIFIERS = 'flow_classifiers'
# NETWORKING_SFC_PORT_PAIR = 'port_pair'
# NETWORKING_SFC_PORT_PAIRS = 'port_pairs'
# NETWORKING_SFC_PORT_PAIR_GROUP = 'port_pair_group'
# NETWORKING_SFC_PORT_PAIR_GROUPS = 'port_pair_groups'
# NETWORKING_SFC_PORT_CHAIN = 'port_chain'
# NETWORKING_SFC_PORT_CHAINS = 'port_chains'
# ODL_TRUNK = 'trunk'
# ODL_TRUNKS = 'trunks'
# ODL_L2GATEWAY = 'l2_gateway'
# ODL_L2GATEWAYS = 'l2_gateways'
# ODL_L2GATEWAY_CONNECTION = 'l2gateway_connection'
# ODL_L2GATEWAY_CONNECTIONS = 'l2_gateway_connections'
# ODL_BGPVPN = 'bgpvpn'
# ODL_BGPVPNS = 'bgpvpns'
# ODL_BGPVPN_NETWORK_ASSOCIATION = 'bgpvpn_network_association'
# ODL_BGPVPN_NETWORK_ASSOCIATIONS = 'bgpvpn_network_associations'
# ODL_BGPVPN_ROUTER_ASSOCIATION = 'bgpvpn_router_association'
# ODL_BGPVPN_ROUTER_ASSOCIATIONS = 'bgpvpn_router_associations'
# ODL_ML2_MECH_DRIVER_V2 = "opendaylight_v2"
# ODL_DEVICE_ID_START = 'OpenDaylight'
# ODL_CREATE = 'create'
# ODL_UPDATE = 'update'
# ODL_DELETE = 'delete'
# PENDING = 'pending'
# PROCESSING = 'processing'
# FAILED = 'failed'
# COMPLETED = 'completed'
# BEFORE_COMPLETE = 'before_complete'
# AFTER_DELETE = 'after_delete'
# RESOURCE_URL_MAPPINGS = {
#     ODL_QOS_POLICY: "%s/%s" % (ODL_QOS, ODL_QOS_POLICIES),
#     ODL_SFC_FLOW_CLASSIFIER: "%s/%s" % (ODL_SFC, ODL_SFC_FLOW_CLASSIFIERS),
#     ODL_SFC_PORT_CHAIN: "%s/%s" % (ODL_SFC, ODL_SFC_PORT_CHAINS),
#     ODL_SFC_PORT_PAIR: "%s/%s" % (ODL_SFC, ODL_SFC_PORT_PAIRS),
#     ODL_SFC_PORT_PAIR_GROUP: "%s/%s" % (ODL_SFC, ODL_SFC_PORT_PAIR_GROUPS)
# }


from neutron_lib import constants as n_const
from neutron_lib.plugins import utils as p_utils
from oslo_log import log as logging
from networking_odl.common import constants
            port = self._make_dhcp_port_dict(subnet_context)
            # TODO(boden): rehome and consume from neutron-lib
            p_utils.create_port(plugin, subnet_context._plugin_context, port)
        if port_id and not subnet_context.current['enable_dhcp']:
            self._delete_port(plugin, subnet_context._plugin_context, port_id)

    def _delete_port(self, plugin, context, port_id):
        LOG.debug("Deleting ODL DHCP port with id %s", port_id)
        plugin.delete_port(context, port_id)

    def _make_dhcp_port_dict(self, subnet_context):

        subnet_id = subnet_context.current['id']
        port_dict = dict(
            name='',
            admin_state_up=True,
            device_id=constants.ODL_DEVICE_ID_START + '-' + subnet_id,
            device_owner=n_const.DEVICE_OWNER_DHCP,
            network_id=subnet_context.current['network_id'],
            fixed_ips=[dict(subnet_id=subnet_id)],
            tenant_id=subnet_context.network.current['tenant_id'])

        return {'port': port_dict}

    def get_dhcp_port_if_exists(self, subnet_context):

        plugin = subnet_context._plugin
        plugin_context = subnet_context._plugin_context
        network_id = subnet_context._subnet['network_id']
        subnet_id = subnet_context.current['id']

# Path: networking_odl/common/constants.py
# ODL_NETWORK = 'network'
# ODL_NETWORKS = 'networks'
# ODL_SUBNET = 'subnet'
# ODL_SUBNETS = 'subnets'
# ODL_PORT = 'port'
# ODL_PORTS = 'ports'
# ODL_SG = 'security_group'
# ODL_SGS = 'security_groups'
# ODL_SG_RULE = 'security_group_rule'
# ODL_SG_RULES = 'security_group_rules'
# ODL_ROUTER = 'router'
# ODL_ROUTERS = 'routers'
# ODL_FLOATINGIP = 'floatingip'
# ODL_FLOATINGIPS = 'floatingips'
# ODL_QOS = 'qos'
# ODL_QOS_POLICY = 'policy'
# ODL_QOS_POLICIES = 'policies'
# ODL_SFC = 'sfc'
# ODL_SFC_FLOW_CLASSIFIER = 'flowclassifier'
# ODL_SFC_FLOW_CLASSIFIERS = 'flowclassifiers'
# ODL_SFC_PORT_PAIR = 'portpair'
# ODL_SFC_PORT_PAIRS = 'portpairs'
# ODL_SFC_PORT_PAIR_GROUP = 'portpairgroup'
# ODL_SFC_PORT_PAIR_GROUPS = 'portpairgroups'
# ODL_SFC_PORT_CHAIN = 'portchain'
# ODL_SFC_PORT_CHAINS = 'portchains'
# NETWORKING_SFC_FLOW_CLASSIFIER = 'flow_classifier'
# NETWORKING_SFC_FLOW_CLASSIFIERS = 'flow_classifiers'
# NETWORKING_SFC_PORT_PAIR = 'port_pair'
# NETWORKING_SFC_PORT_PAIRS = 'port_pairs'
# NETWORKING_SFC_PORT_PAIR_GROUP = 'port_pair_group'
# NETWORKING_SFC_PORT_PAIR_GROUPS = 'port_pair_groups'
# NETWORKING_SFC_PORT_CHAIN = 'port_chain'
# NETWORKING_SFC_PORT_CHAINS = 'port_chains'
# ODL_TRUNK = 'trunk'
# ODL_TRUNKS = 'trunks'
# ODL_L2GATEWAY = 'l2_gateway'
# ODL_L2GATEWAYS = 'l2_gateways'
# ODL_L2GATEWAY_CONNECTION = 'l2gateway_connection'
# ODL_L2GATEWAY_CONNECTIONS = 'l2_gateway_connections'
# ODL_BGPVPN = 'bgpvpn'
# ODL_BGPVPNS = 'bgpvpns'
# ODL_BGPVPN_NETWORK_ASSOCIATION = 'bgpvpn_network_association'
# ODL_BGPVPN_NETWORK_ASSOCIATIONS = 'bgpvpn_network_associations'
# ODL_BGPVPN_ROUTER_ASSOCIATION = 'bgpvpn_router_association'
# ODL_BGPVPN_ROUTER_ASSOCIATIONS = 'bgpvpn_router_associations'
# ODL_ML2_MECH_DRIVER_V2 = "opendaylight_v2"
# ODL_DEVICE_ID_START = 'OpenDaylight'
# ODL_CREATE = 'create'
# ODL_UPDATE = 'update'
# ODL_DELETE = 'delete'
# PENDING = 'pending'
# PROCESSING = 'processing'
# FAILED = 'failed'
# COMPLETED = 'completed'
# BEFORE_COMPLETE = 'before_complete'
# AFTER_DELETE = 'after_delete'
# RESOURCE_URL_MAPPINGS = {
#     ODL_QOS_POLICY: "%s/%s" % (ODL_QOS, ODL_QOS_POLICIES),
#     ODL_SFC_FLOW_CLASSIFIER: "%s/%s" % (ODL_SFC, ODL_SFC_FLOW_CLASSIFIERS),
#     ODL_SFC_PORT_CHAIN: "%s/%s" % (ODL_SFC, ODL_SFC_PORT_CHAINS),
#     ODL_SFC_PORT_PAIR: "%s/%s" % (ODL_SFC, ODL_SFC_PORT_PAIRS),
#     ODL_SFC_PORT_PAIR_GROUP: "%s/%s" % (ODL_SFC, ODL_SFC_PORT_PAIR_GROUPS)
# }


# Path: networking_odl/dhcp/odl_dhcp_driver_base.py
from neutron_lib import constants as n_const
from neutron_lib.plugins import utils as p_utils
from oslo_log import log as logging
from networking_odl.common import constants

            port = self._make_dhcp_port_dict(subnet_context)
            # TODO(boden): rehome and consume from neutron-lib
            p_utils.create_port(plugin, subnet_context._plugin_context, port)
        if port_id and not subnet_context.current['enable_dhcp']:
            self._delete_port(plugin, subnet_context._plugin_context, port_id)

    def _delete_port(self, plugin, context, port_id):
        LOG.debug("Deleting ODL DHCP port with id %s", port_id)
        plugin.delete_port(context, port_id)

    def _make_dhcp_port_dict(self, subnet_context):

        subnet_id = subnet_context.current['id']
        port_dict = dict(
            name='',
            admin_state_up=True,
            device_id=constants.ODL_DEVICE_ID_START + '-' + subnet_id,
            device_owner=n_const.DEVICE_OWNER_DHCP,
            network_id=subnet_context.current['network_id'],
            fixed_ips=[dict(subnet_id=subnet_id)],
            tenant_id=subnet_context.network.current['tenant_id'])

        return {'port': port_dict}

    def get_dhcp_port_if_exists(self, subnet_context):

        plugin = subnet_context._plugin
        plugin_context = subnet_context._plugin_context
        network_id = subnet_context._subnet['network_id']
        subnet_id = subnet_context.current['id']

        device_id = constants.ODL_DEVICE_ID_START + '-' + subnet_id