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+# Copyright 2016 Intel Corporation.
+#
+# 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.
+
+"""Various helper functions
+"""
+
+from conf import settings
+
+#
+# Support functions
+#
+
+def settings_update_paths():
+ """ Configure paths to OVS and DPDK based on VSWITCH and VNF values
+ """
+ # set dpdk and ovs paths accorfing to VNF and VSWITCH
+ if settings.getValue('VSWITCH').endswith('Vanilla'):
+ # settings paths for Vanilla
+ settings.setValue('OVS_DIR', (settings.getValue('OVS_DIR_VANILLA')))
+ elif settings.getValue('VSWITCH').endswith('Vhost'):
+ if settings.getValue('VNF').endswith('Cuse'):
+ # settings paths for Cuse
+ settings.setValue('RTE_SDK', (settings.getValue('RTE_SDK_CUSE')))
+ settings.setValue('OVS_DIR', (settings.getValue('OVS_DIR_CUSE')))
+ else:
+ # settings paths for VhostUser
+ settings.setValue('RTE_SDK', (settings.getValue('RTE_SDK_USER')))
+ settings.setValue('OVS_DIR', (settings.getValue('OVS_DIR_USER')))
+ else:
+ # default - set to VHOST USER but can be changed during enhancement
+ settings.setValue('RTE_SDK', (settings.getValue('RTE_SDK_USER')))
+ settings.setValue('OVS_DIR', (settings.getValue('OVS_DIR_USER')))