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diff --git a/networking-odl/networking_odl/ml2/mech_driver_v2.py b/networking-odl/networking_odl/ml2/mech_driver_v2.py
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+# Copyright (c) 2013-2014 OpenStack Foundation
+# All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+from oslo_config import cfg
+from oslo_log import log as logging
+
+from neutron.db import api as db_api
+from neutron.plugins.ml2 import driver_api as api
+
+from networking_odl.common import callback
+from networking_odl.common import config as odl_conf
+from networking_odl.common import constants as odl_const
+from networking_odl.journal import cleanup
+from networking_odl.journal import full_sync
+from networking_odl.journal import journal
+from networking_odl.journal import maintenance
+from networking_odl.ml2 import port_binding
+
+LOG = logging.getLogger(__name__)
+
+
+class OpenDaylightMechanismDriver(api.MechanismDriver):
+ """OpenDaylight Python Driver for Neutron.
+
+ This code is the backend implementation for the OpenDaylight ML2
+ MechanismDriver for OpenStack Neutron.
+ """
+
+ def initialize(self):
+ LOG.debug("Initializing OpenDaylight ML2 driver")
+ cfg.CONF.register_opts(odl_conf.odl_opts, "ml2_odl")
+ self.sg_handler = callback.OdlSecurityGroupsHandler(self)
+ self.journal = journal.OpendaylightJournalThread()
+ self.port_binding_controller = port_binding.PortBindingManager.create()
+ self._start_maintenance_thread()
+
+ def _start_maintenance_thread(self):
+ # start the maintenance thread and register all the maintenance
+ # operations :
+ # (1) JournalCleanup - Delete completed rows from journal
+ # (2) CleanupProcessing - Mark orphaned processing rows to pending
+ # (3) Full sync - Re-sync when detecting an ODL "cold reboot"
+ cleanup_obj = cleanup.JournalCleanup()
+ self._maintenance_thread = maintenance.MaintenanceThread()
+ self._maintenance_thread.register_operation(
+ cleanup_obj.delete_completed_rows)
+ self._maintenance_thread.register_operation(
+ cleanup_obj.cleanup_processing_rows)
+ self._maintenance_thread.register_operation(full_sync.full_sync)
+ self._maintenance_thread.start()
+
+ @staticmethod
+ def _record_in_journal(context, object_type, operation, data=None):
+ if data is None:
+ data = context.current
+ journal.record(context._plugin_context.session, object_type,
+ context.current['id'], operation, data)
+
+ def create_network_precommit(self, context):
+ OpenDaylightMechanismDriver._record_in_journal(
+ context, odl_const.ODL_NETWORK, odl_const.ODL_CREATE)
+
+ def create_subnet_precommit(self, context):
+ OpenDaylightMechanismDriver._record_in_journal(
+ context, odl_const.ODL_SUBNET, odl_const.ODL_CREATE)
+
+ def create_port_precommit(self, context):
+ OpenDaylightMechanismDriver._record_in_journal(
+ context, odl_const.ODL_PORT, odl_const.ODL_CREATE)
+
+ def update_network_precommit(self, context):
+ OpenDaylightMechanismDriver._record_in_journal(
+ context, odl_const.ODL_NETWORK, odl_const.ODL_UPDATE)
+
+ def update_subnet_precommit(self, context):
+ OpenDaylightMechanismDriver._record_in_journal(
+ context, odl_const.ODL_SUBNET, odl_const.ODL_UPDATE)
+
+ def update_port_precommit(self, context):
+ OpenDaylightMechanismDriver._record_in_journal(
+ context, odl_const.ODL_PORT, odl_const.ODL_UPDATE)
+
+ def delete_network_precommit(self, context):
+ OpenDaylightMechanismDriver._record_in_journal(
+ context, odl_const.ODL_NETWORK, odl_const.ODL_DELETE, data=[])
+
+ def delete_subnet_precommit(self, context):
+ # Use the journal row's data field to store parent object
+ # uuids. This information is required for validation checking
+ # when deleting parent objects.
+ new_context = [context.current['network_id']]
+ OpenDaylightMechanismDriver._record_in_journal(
+ context, odl_const.ODL_SUBNET, odl_const.ODL_DELETE,
+ data=new_context)
+
+ def delete_port_precommit(self, context):
+ # Use the journal row's data field to store parent object
+ # uuids. This information is required for validation checking
+ # when deleting parent objects.
+ new_context = [context.current['network_id']]
+ for subnet in context.current['fixed_ips']:
+ new_context.append(subnet['subnet_id'])
+ OpenDaylightMechanismDriver._record_in_journal(
+ context, odl_const.ODL_PORT, odl_const.ODL_DELETE,
+ data=new_context)
+
+ @journal.call_thread_on_end
+ def sync_from_callback(self, operation, res_type, res_id, resource_dict):
+ object_type = res_type.singular
+ object_uuid = (resource_dict[object_type]['id']
+ if operation == 'create' else res_id)
+ if resource_dict is not None:
+ resource_dict = resource_dict[object_type]
+ journal.record(db_api.get_session(), object_type, object_uuid,
+ operation, resource_dict)
+
+ def _postcommit(self, context):
+ self.journal.set_sync_event()
+
+ create_network_postcommit = _postcommit
+ create_subnet_postcommit = _postcommit
+ create_port_postcommit = _postcommit
+ update_network_postcommit = _postcommit
+ update_subnet_postcommit = _postcommit
+ update_port_postcommit = _postcommit
+ delete_network_postcommit = _postcommit
+ delete_subnet_postcommit = _postcommit
+ delete_port_postcommit = _postcommit
+
+ def bind_port(self, port_context):
+ """Set binding for a valid segments
+
+ """
+ return self.port_binding_controller.bind_port(port_context)