CORD-413 Implement MPLS Termination in OFDPA3 pipeliner
Additionally, this patch includes
- Minor refactoring
- Skip method length checkstyle for FlowEntryBuilder::hasSetField
Change-Id: I7887f454f552a9e346c323524f359929deadf427
diff --git a/drivers/default/src/main/java/org/onosproject/driver/extensions/Ofdpa3ExtensionTreatmentInterpreter.java b/drivers/default/src/main/java/org/onosproject/driver/extensions/Ofdpa3ExtensionTreatmentInterpreter.java
new file mode 100644
index 0000000..a07862e
--- /dev/null
+++ b/drivers/default/src/main/java/org/onosproject/driver/extensions/Ofdpa3ExtensionTreatmentInterpreter.java
@@ -0,0 +1,84 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * 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.
+ */
+
+package org.onosproject.driver.extensions;
+
+import org.onosproject.net.behaviour.ExtensionTreatmentResolver;
+import org.onosproject.net.driver.AbstractHandlerBehaviour;
+import org.onosproject.net.flow.instructions.ExtensionTreatment;
+import org.onosproject.net.flow.instructions.ExtensionTreatmentType;
+import org.onosproject.openflow.controller.ExtensionTreatmentInterpreter;
+import org.projectfloodlight.openflow.protocol.OFActionType;
+import org.projectfloodlight.openflow.protocol.OFFactory;
+import org.projectfloodlight.openflow.protocol.action.OFAction;
+import org.projectfloodlight.openflow.protocol.action.OFActionSetField;
+import org.projectfloodlight.openflow.protocol.oxm.OFOxm;
+import org.projectfloodlight.openflow.protocol.oxm.OFOxmOfdpaMplsType;
+import org.projectfloodlight.openflow.types.U16;
+
+/**
+ * Interpreter for OFDPA3 OpenFlow treatment extensions.
+ */
+public class Ofdpa3ExtensionTreatmentInterpreter extends AbstractHandlerBehaviour
+ implements ExtensionTreatmentInterpreter, ExtensionTreatmentResolver {
+ @Override
+ public boolean supported(ExtensionTreatmentType extensionTreatmentType) {
+ if (extensionTreatmentType.equals(
+ ExtensionTreatmentType.ExtensionTreatmentTypes.OFDPA_SET_MPLS_TYPE.type())) {
+ return true;
+ }
+ return false;
+ }
+
+ @Override
+ public OFAction mapInstruction(OFFactory factory, ExtensionTreatment extensionTreatment) {
+ ExtensionTreatmentType type = extensionTreatment.type();
+ if (type.equals(ExtensionTreatmentType.ExtensionTreatmentTypes.OFDPA_SET_MPLS_TYPE.type())) {
+ short mplsType = ((Ofdpa3SetMplsType) extensionTreatment).mplsType();
+ return factory.actions().setField(factory.oxms().ofdpaMplsType(
+ U16.ofRaw(mplsType)));
+ }
+ throw new UnsupportedOperationException(
+ "Unexpected ExtensionTreatment: " + extensionTreatment.toString());
+ }
+
+ @Override
+ public ExtensionTreatment mapAction(OFAction action) throws UnsupportedOperationException {
+ if (action.getType().equals(OFActionType.SET_FIELD)) {
+ OFActionSetField setFieldAction = (OFActionSetField) action;
+ OFOxm<?> oxm = setFieldAction.getField();
+ switch (oxm.getMatchField().id) {
+ case OFDPA_MPLS_TYPE:
+ OFOxmOfdpaMplsType mplsType = (OFOxmOfdpaMplsType) oxm;
+ return new Ofdpa3SetMplsType(mplsType.getValue().getRaw());
+ default:
+ throw new UnsupportedOperationException(
+ "Driver does not support extension type " + oxm.getMatchField().id);
+ }
+ }
+ throw new UnsupportedOperationException(
+ "Unexpected OFAction: " + action.toString());
+ }
+
+ @Override
+ public ExtensionTreatment getExtensionInstruction(ExtensionTreatmentType type) {
+ if (type.equals(ExtensionTreatmentType.ExtensionTreatmentTypes.OFDPA_SET_MPLS_TYPE.type())) {
+ return new Ofdpa3SetMplsType();
+ }
+ throw new UnsupportedOperationException(
+ "Driver does not support extension type " + type.toString());
+ }
+}