1 files changed, 137 insertions, 0 deletions
diff --git a/cyborg_enhancement/mitaka_version/cyborg/cyborg/objects/physical_function.py b/cyborg_enhancement/mitaka_version/cyborg/cyborg/objects/physical_function.py
new file mode 100644
index 0000000..4445565
--- /dev/null
+++ b/cyborg_enhancement/mitaka_version/cyborg/cyborg/objects/physical_function.py
@@ -0,0 +1,137 @@
+# Copyright 2018 Huawei Technologies Co.,LTD.
+# 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.
+
+import copy
+from oslo_log import log as logging
+from oslo_versionedobjects import base as object_base
+
+from cyborg.common import exception
+from cyborg.db import api as dbapi
+from cyborg.objects import base
+from cyborg.objects import fields as object_fields
+from cyborg.objects.deployable import Deployable
+from cyborg.objects.virtual_function import VirtualFunction
+
+LOG = logging.getLogger(__name__)
+
+
+@base.CyborgObjectRegistry.register
+class PhysicalFunction(Deployable):
+    # Version 1.0: Initial version
+    VERSION = '1.0'
+    virtual_function_list = []
+
+    def create(self, context):
+        # To ensure the creating type is PF
+        if self.type != 'pf':
+            raise exception.InvalidDeployType()
+        super(PhysicalFunction, self).create(context)
+
+    def save(self, context):
+        """In addition to save the pf, it should also save the
+        vfs associated with this pf
+        """
+        # To ensure the saving type is PF
+        if self.type != 'pf':
+            raise exception.InvalidDeployType()
+
+        for exist_vf in self.virtual_function_list:
+            exist_vf.save(context)
+        super(PhysicalFunction, self).save(context)
+
+    def add_vf(self, vf):
+        """add a vf object to the virtual_function_list.
+        If the vf already exists, it will ignore,
+        otherwise, the vf will be appended to the list
+        """
+        if not isinstance(vf, VirtualFunction) or vf.type != 'vf':
+            raise exception.InvalidDeployType()
+        for exist_vf in self.virtual_function_list:
+            if base.obj_equal_prims(vf, exist_vf):
+                LOG.warning("The vf already exists")
+                return None
+        vf.parent_uuid = self.uuid
+        vf.root_uuid = self.root_uuid
+        vf_copy = copy.deepcopy(vf)
+        self.virtual_function_list.append(vf_copy)
+
+    def delete_vf(self, context, vf):
+        """remove a vf from the virtual_function_list
+        if the vf does not exist, ignore it
+        """
+        for idx, exist_vf in self.virtual_function_list:
+            if base.obj_equal_prims(vf, exist_vf):
+                removed_vf = self.virtual_function_list.pop(idx)
+                removed_vf.destroy(context)
+                return
+        LOG.warning("The removing vf does not exist!")
+
+    def destroy(self, context):
+        """Delete a the pf from the DB."""
+        del self.virtual_function_list[:]
+        super(PhysicalFunction, self).destroy(context)
+
+    @classmethod
+    def get(cls, context, uuid):
+        """Find a DB Physical Function and return an Obj Physical Function.
+        In addition, it will also finds all the Virtual Functions associated
+        with this Physical Function and place them in virtual_function_list
+        """
+        db_pf = cls.dbapi.deployable_get(context, uuid)
+        obj_pf = cls._from_db_object(cls(context), db_pf)
+        pf_uuid = obj_pf.uuid
+
+        query = {"parent_uuid": pf_uuid, "type": "vf"}
+        db_vf_list = cls.dbapi.deployable_get_by_filters(context, query)
+
+        for db_vf in db_vf_list:
+            obj_vf = VirtualFunction.get(context, db_vf.uuid)
+            obj_pf.virtual_function_list.append(obj_vf)
+        return obj_pf
+
+    @classmethod
+    def get_by_filter(cls, context,
+                      filters, sort_key='created_at',
+                      sort_dir='desc', limit=None,
+                      marker=None, join=None):
+        obj_dpl_list = []
+        filters['type'] = 'pf'
+        db_dpl_list = cls.dbapi.deployable_get_by_filters(context, filters,
+                                                          sort_key=sort_key,
+                                                          sort_dir=sort_dir,
+                                                          limit=limit,
+                                                          marker=marker,
+                                                          join_columns=join)
+        for db_dpl in db_dpl_list:
+            obj_dpl = cls._from_db_object(cls(context), db_dpl)
+            query = {"parent_uuid": obj_dpl.uuid}
+            vf_get_list = VirtualFunction.get_by_filter(context,
+                                                        query)
+            obj_dpl.virtual_function_list = vf_get_list
+            obj_dpl_list.append(obj_dpl)
+        return obj_dpl_list
+
+    @classmethod
+    def _from_db_object(cls, obj, db_obj):
+        """Converts a physical function to a formal object.
+
+        :param obj: An object of the class.
+        :param db_obj: A DB model of the object
+        :return: The object of the class with the database entity added
+        """
+        obj = Deployable._from_db_object(obj, db_obj)
+        if cls is PhysicalFunction:
+            obj.virtual_function_list = []
+        return obj
+\ No newline at end of file