2 * Copyright (c) 2013 Cisco Systems, Inc. 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
8 package org.opendaylight.openflowplugin.openflow.md.core.sal.convertor;
10 import java.util.ArrayList;
11 import java.util.List;
13 import org.opendaylight.controller.sal.common.util.Arguments;
14 import org.opendaylight.openflowplugin.openflow.md.OFConstants;
15 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorRef;
16 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorKey;
17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MaxLengthAction;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MaxLengthActionBuilder;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PortAction;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PortActionBuilder;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.actions.ActionsList;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.actions.ActionsListBuilder;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.actions.actions.list.ActionBuilder;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortNumber;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PacketOutInput;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PacketOutInputBuilder;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.TransmitPacketInput;
28 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
29 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.PathArgument;
30 import org.slf4j.Logger;
31 import org.slf4j.LoggerFactory;
33 public class PacketOutConvertor {
34 private static final Logger logger = LoggerFactory.getLogger(MeterConvertor.class);
35 private static final String PREFIX_SEPARATOR = "/";
37 private PacketOutConvertor() {
41 // Get all the data for the PacketOut from the Yang/SAL-Layer
46 * @return PacketOutInput required by OF Library
48 public static PacketOutInput toPacketOutInput(TransmitPacketInput inputPacket, short version, Long xid) {
50 // Build Port ID from TransmitPacketInput.Ingress
51 PortNumber inPortNr = null;
53 List<PathArgument> inArgs = null;
54 if (inputPacket.getIngress() != null) {
55 inArgs = inputPacket.getIngress().getValue().getPath();
57 if (inArgs != null && inArgs.size() >= 3) {
58 inPortNr = getPortNumber(inArgs.get(2));
60 // The packetOut originated from the controller
61 inPortNr = new PortNumber(0xfffffffdL);
64 // Build Buffer ID to be NO_OFP_NO_BUFFER
65 Long bufferId = OFConstants.OFP_NO_BUFFER;
67 PortNumber outPort = null;
68 NodeConnectorRef outRef = inputPacket.getEgress();
69 List<PathArgument> outArgs = outRef.getValue().getPathArguments();
70 if (outArgs.size() >= 3) {
71 outPort = getPortNumber(outArgs.get(2));
73 new Exception("PORT NR not exist in Egress"); //TODO : P4 search for some normal exception
76 // TODO VD P! wait for way to move Actions (e.g. augmentation)
78 // FIXME VD implementation for testing PacketIn (REMOVE IT)
79 List<ActionsList> actions = new ArrayList<ActionsList>();
80 ActionsListBuilder asBuild = new ActionsListBuilder();
81 ActionBuilder aBuild = new ActionBuilder();
82 aBuild.setType(org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.Output.class);
83 PortActionBuilder paBuild = new PortActionBuilder();
84 paBuild.setPort(outPort);
85 aBuild.addAugmentation(PortAction.class, paBuild.build());
86 MaxLengthActionBuilder mlBuild = new MaxLengthActionBuilder();
87 mlBuild.setMaxLength(0xffff);
88 aBuild.addAugmentation(MaxLengthAction.class, mlBuild.build());
89 asBuild.setAction(aBuild.build());
90 actions.add(asBuild.build());
92 PacketOutInputBuilder builder = new PacketOutInputBuilder();
93 builder.setActionsList(actions);
94 builder.setData(inputPacket.getPayload());
95 builder.setVersion(version);
97 builder.setInPort(inPortNr);
98 builder.setBufferId(bufferId);
99 // --------------------------------------------------------
101 return builder.build();
104 private static PortNumber getPortNumber(PathArgument pathArgument) {
105 //FIXME VD P! find InstanceIdentifier helper
106 InstanceIdentifier.IdentifiableItem item = Arguments.checkInstanceOf(pathArgument, InstanceIdentifier.IdentifiableItem.class);
107 NodeConnectorKey key = Arguments.checkInstanceOf(item.getKey(), NodeConnectorKey.class);
108 String[] split = key.getId().getValue().split(":");
109 Long port = Long.decode(split[split.length-1]);
110 return new PortNumber(port);