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authorMaryam Tahhan <maryam.tahhan@intel.com>2015-06-08 15:03:08 +0000
committerGerrit Code Review <gerrit@172.30.200.206>2015-06-08 15:03:08 +0000
commitf3f1ff9b08efa4a18bdcd2284d0a5f3b6ee526e0 (patch)
treea736bab8be95381d2277626c8df2f88ccce714d0 /vswitches/utils.py
parent1612a95c88e6ccff6f9b158f9b106e410b1d7324 (diff)
parent8d6777df09c3dc441013a31f21cc50ab3b0f42a3 (diff)
Merge "framework: Add reworked framework to repo"
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+# Copyright 2015 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.
+
+"""Utility functions for working with vSwitches and flows
+"""
+
+import copy
+
+def add_ports_to_flow(flow, in_port, out_port):
+ """Creates a new flow based on the given flow and adds in port and out port
+ to it.
+
+ The flow dictionary structure is described in IVswitch
+
+ :param flow: Description of the flow as a dictionary
+ :param in_port: OpenFlow number of the ingress port for the rule
+ :param out_port: OpenFlow number of the eggress port for the rule
+
+ :returns: A new dictionary describing a flow combining the parameters
+ """
+ new_flow = copy.deepcopy(flow)
+ new_flow['in_port'] = in_port
+
+ if 'actions' in new_flow:
+ new_flow['actions'].append('output:' + str(out_port))
+ else:
+ new_flow['actions'] = ['output:' + str(out_port)]
+
+ return new_flow