Inject GroupMessageDeserializer into OFJ.
This deserializer will deserialize raw bytes into GroupMessage.
See also: bug 7140
Change-Id: I07e0ec7601155eb4138b598c9c4f39dfd1e31d03
Signed-off-by: Tomas Slusny <tomas.slusny@pantheon.tech>
import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
import org.opendaylight.openflowplugin.impl.protocol.deserialization.messages.FlowMessageDeserializer;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.FlowMessage;
+import org.opendaylight.openflowplugin.impl.protocol.deserialization.messages.GroupMessageDeserializer;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupMessage;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
public class MessageDeserializerInjector {
createInjector(provider, EncodeConstants.OF13_VERSION_ID);
injector.apply(14).apply(FlowMessage.class).accept(new FlowMessageDeserializer());
+ injector.apply(15).apply(GroupMessage.class).accept(new GroupMessageDeserializer());
}
/**
--- /dev/null
+/*
+ * Copyright (c) 2016 Pantheon Technologies s.r.o. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.openflowplugin.impl.protocol.deserialization.messages;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+
+import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistry;
+import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistryInjector;
+import org.opendaylight.openflowjava.protocol.api.extensibility.OFDeserializer;
+import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
+import org.opendaylight.openflowplugin.extension.api.path.ActionPath;
+import org.opendaylight.openflowplugin.impl.protocol.deserialization.util.ActionUtil;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.ActionBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.ActionKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupId;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupMessage;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupMessageBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupTypes;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.BucketsBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.buckets.Bucket;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.buckets.BucketBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.GroupModCommand;
+
+import io.netty.buffer.ByteBuf;
+
+public class GroupMessageDeserializer implements OFDeserializer<GroupMessage>, DeserializerRegistryInjector {
+
+ private static final byte PADDING = 1;
+ private static final byte PADDING_IN_BUCKETS_HEADER = 4;
+ private static final byte BUCKETS_HEADER_LENGTH = 16;
+
+ private static final Comparator<Bucket> COMPARATOR = (bucket1, bucket2) -> {
+ if (bucket1.getBucketId() == null || bucket2.getBucketId() == null) return 0;
+ return bucket1.getBucketId().getValue().compareTo(bucket2.getBucketId().getValue());
+ };
+
+ private DeserializerRegistry registry;
+
+ @Override
+ public GroupMessage deserialize(ByteBuf message) {
+ final GroupMessageBuilder builder = new GroupMessageBuilder()
+ .setVersion((short) EncodeConstants.OF13_VERSION_ID)
+ .setXid(message.readUnsignedInt())
+ .setCommand(GroupModCommand.forValue(message.readUnsignedShort()));
+
+ builder.setGroupType(GroupTypes.forValue(message.readUnsignedByte()));
+ message.skipBytes(PADDING);
+ builder.setGroupId(new GroupId(message.readUnsignedInt()));
+
+ final List<Bucket> buckets = new ArrayList<>();
+
+ while (message.readableBytes() > 0) {
+ final int length = message.readUnsignedShort();
+
+ final BucketBuilder bucket = new BucketBuilder()
+ .setWeight(message.readUnsignedShort())
+ .setWatchPort(message.readUnsignedInt())
+ .setWatchGroup(message.readUnsignedInt());
+
+ message.skipBytes(PADDING_IN_BUCKETS_HEADER);
+
+ if (message.readableBytes() > 0) {
+ final List<org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list
+ .Action> actions = new ArrayList<>();
+ final int startIndex = message.readerIndex();
+ final int bucketLength = length - BUCKETS_HEADER_LENGTH;
+ int offset = 0;
+
+ while ((message.readerIndex() - startIndex) < bucketLength) {
+ actions.add(new ActionBuilder()
+ .setKey(new ActionKey(offset))
+ .setOrder(offset)
+ .setAction(ActionUtil.readAction(EncodeConstants.OF13_VERSION_ID, message, registry,
+ ActionPath.GROUPDESCSTATSUPDATED_GROUPDESCSTATS_BUCKETS_BUCKET_ACTION))
+ .build());
+
+ offset++;
+ }
+
+ bucket.setAction(actions);
+ }
+
+ buckets.add(bucket.build());
+ }
+
+ Collections.sort(buckets, COMPARATOR);
+ return builder
+ .setBuckets(new BucketsBuilder()
+ .setBucket(buckets)
+ .build())
+ .build();
+ }
+
+ @Override
+ public void injectDeserializerRegistry(DeserializerRegistry deserializerRegistry) {
+ registry = deserializerRegistry;
+ }
+
+}
--- /dev/null
+/*
+ * Copyright (c) 2016 Pantheon Technologies s.r.o. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.openflowplugin.impl.protocol.deserialization.messages;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
+import org.opendaylight.openflowjava.protocol.impl.util.ActionConstants;
+import org.opendaylight.openflowplugin.impl.protocol.deserialization.AbstractDeserializerTest;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.PopPbbActionCase;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupMessage;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupTypes;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.buckets.Bucket;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.GroupModCommand;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.UnpooledByteBufAllocator;
+
+public class GroupMessageDeserializerTest extends AbstractDeserializerTest {
+
+ private static final byte PADDING = 1;
+ private static final byte PADDING_IN_BUCKETS_HEADER = 4;
+
+ private static final int TYPE = 15;
+ private static final int XID = 42;
+ private static final GroupModCommand COMMAND = GroupModCommand.OFPGCADD;
+ private static final GroupTypes GROUP_TYPE = GroupTypes.GroupAll;
+ private static final int GROUP_ID = 26;
+ private static final short WEIGHT = 50;
+ private static final int WATCH_PORT = 22;
+ private static final int WATCH_GROUP = 25;
+
+ private ByteBuf buffer;
+
+ @Override
+ protected void init() {
+ buffer = UnpooledByteBufAllocator.DEFAULT.buffer();
+ }
+
+ @Test
+ public void deserialize() throws Exception {
+ // Group header
+ buffer.writeByte(TYPE);
+ buffer.writeShort(EncodeConstants.EMPTY_LENGTH);
+ buffer.writeInt(XID);
+ buffer.writeShort(COMMAND.getIntValue());
+ buffer.writeByte(GROUP_TYPE.getIntValue());
+ buffer.writeZero(PADDING);
+ buffer.writeInt(GROUP_ID);
+
+ // Buckets header
+ int index = buffer.writerIndex();
+ buffer.writeShort(EncodeConstants.EMPTY_LENGTH);
+ buffer.writeShort(WEIGHT);
+ buffer.writeInt(WATCH_PORT);
+ buffer.writeInt(WATCH_GROUP);
+ buffer.writeZero(PADDING_IN_BUCKETS_HEADER);
+
+ // POP PBB action
+ buffer.writeShort(ActionConstants.POP_PBB_CODE);
+ buffer.writeShort(ActionConstants.GENERAL_ACTION_LENGTH);
+ buffer.writeZero(ActionConstants.PADDING_IN_ACTION_HEADER);
+
+ // Count total length of buckets
+ buffer.setShort(index, buffer.writerIndex() - index);
+
+ // Deserialize and check everything
+ final GroupMessage message = (GroupMessage) getFactory()
+ .deserialize(buffer, EncodeConstants.OF13_VERSION_ID);
+
+ assertEquals(XID, message.getXid().intValue());
+ assertEquals(COMMAND.getIntValue(), message.getCommand().getIntValue());
+ assertEquals(GROUP_TYPE.getIntValue(), message.getGroupType().getIntValue());
+ assertEquals(1, message.getBuckets().getBucket().size());
+
+ final Bucket bucket = message.getBuckets().getBucket().get(0);
+ assertEquals(WEIGHT, bucket.getWeight().shortValue());
+ assertEquals(WATCH_PORT, bucket.getWatchPort().intValue());
+ assertEquals(WATCH_GROUP, bucket.getWatchGroup().intValue());
+ assertEquals(1, bucket.getAction().size());
+ assertEquals(PopPbbActionCase.class, bucket.getAction().get(0).getAction().getImplementedInterface());
+ }
+
+}