1 files changed, 55 insertions, 0 deletions
diff --git a/extras/packetforge/EdgeAction.py b/extras/packetforge/EdgeAction.py
new file mode 100644
index 00000000000..cf170088a5b
--- /dev/null
+++ b/extras/packetforge/EdgeAction.py
@@ -0,0 +1,55 @@
+# Copyright (c) 2022 Intel and/or its affiliates.
+# 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.
+
+
+class EdgeAction:
+    def __init__(self):
+        self.ToStartObject = None
+        self.ToExpression = None
+        self.FromStartObject = None
+        self.FromExpression = None
+
+    def Create(token):
+        if token == None:
+            return None
+
+        dststr = token["dst"]
+        srcstr = token["src"]
+
+        if srcstr == None or dststr == None:
+            return None
+
+        action = EdgeAction()
+
+        dststr = dststr.strip()
+        srcstr = srcstr.strip()
+
+        if dststr.startswith("start."):
+            action.ToStartObject = True
+            action.ToExpression = dststr[6:]
+        elif dststr.startswith("end."):
+            action.ToStartObject = False
+            action.ToExpression = dststr[4:]
+        else:
+            return None
+
+        if srcstr.startswith("start."):
+            action.FromStartObject = True
+            action.FromExpression = srcstr[6:]
+        elif srcstr.startswith("end."):
+            action.FromStartObject = False
+            action.FromExpression = srcstr[4:]
+        else:
+            action.FromExpression = srcstr
+
+        return action