2 * Copyright (c) 2013 Pantheon Technologies s.r.o. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.openflowjava.protocol.impl.serialization.factories;
11 import io.netty.buffer.ByteBuf;
13 import java.util.HashMap;
16 import org.opendaylight.openflowjava.protocol.api.extensibility.MessageTypeKey;
17 import org.opendaylight.openflowjava.protocol.api.extensibility.OFSerializer;
18 import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistryInjector;
19 import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistry;
20 import org.opendaylight.openflowjava.protocol.impl.util.ByteBufUtils;
21 import org.opendaylight.openflowjava.protocol.impl.util.CodingUtils;
22 import org.opendaylight.openflowjava.protocol.impl.util.EncodeConstants;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.instructions.grouping.Instruction;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.FlowModFlags;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.match.grouping.Match;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.FlowModInput;
29 * Translates FlowMod messages
30 * @author timotej.kubas
31 * @author michal.polkorab
33 public class FlowModInputMessageFactory implements OFSerializer<FlowModInput>, SerializerRegistryInjector {
34 private static final byte MESSAGE_TYPE = 14;
35 private static final byte PADDING_IN_FLOW_MOD_MESSAGE = 2;
36 private SerializerRegistry registry;
39 public void serialize(FlowModInput message, ByteBuf outBuffer) {
40 ByteBufUtils.writeOFHeader(MESSAGE_TYPE, message, outBuffer, EncodeConstants.EMPTY_LENGTH);
41 outBuffer.writeLong(message.getCookie().longValue());
42 outBuffer.writeLong(message.getCookieMask().longValue());
43 outBuffer.writeByte(message.getTableId().getValue().byteValue());
44 outBuffer.writeByte(message.getCommand().getIntValue());
45 outBuffer.writeShort(message.getIdleTimeout().intValue());
46 outBuffer.writeShort(message.getHardTimeout().intValue());
47 outBuffer.writeShort(message.getPriority());
48 outBuffer.writeInt(message.getBufferId().intValue());
49 outBuffer.writeInt(message.getOutPort().getValue().intValue());
50 outBuffer.writeInt(message.getOutGroup().intValue());
51 outBuffer.writeShort(createFlowModFlagsBitmask(message.getFlags()));
52 ByteBufUtils.padBuffer(PADDING_IN_FLOW_MOD_MESSAGE, outBuffer);
53 registry.<Match, OFSerializer<Match>>getSerializer(new MessageTypeKey<>(message.getVersion(), Match.class))
54 .serialize(message.getMatch(), outBuffer);
55 OFSerializer<Instruction> instructionSerializer =
56 registry.getSerializer(new MessageTypeKey<>(message.getVersion(), Instruction.class));
57 CodingUtils.serializeList(message.getInstruction(), instructionSerializer, outBuffer);
58 ByteBufUtils.updateOFHeaderLength(outBuffer);
62 public void injectSerializerRegistry(SerializerRegistry serializerRegistry) {
63 this.registry = serializerRegistry;
66 private static int createFlowModFlagsBitmask(FlowModFlags flags) {
67 int flowModFlagBitmask = 0;
68 Map<Integer, Boolean> flowModFlagsMap = new HashMap<>();
69 flowModFlagsMap.put(0, flags.isOFPFFSENDFLOWREM());
70 flowModFlagsMap.put(1, flags.isOFPFFCHECKOVERLAP());
71 flowModFlagsMap.put(2, flags.isOFPFFRESETCOUNTS());
72 flowModFlagsMap.put(3, flags.isOFPFFNOPKTCOUNTS());
73 flowModFlagsMap.put(4, flags.isOFPFFNOBYTCOUNTS());
75 flowModFlagBitmask = ByteBufUtils.fillBitMaskFromMap(flowModFlagsMap);
76 return flowModFlagBitmask;