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
9 package org.opendaylight.openflowplugin.openflow.md.core.sal.convertor;
11 import com.google.common.collect.Iterables;
12 import java.util.ArrayList;
13 import java.util.Collections;
14 import java.util.List;
15 import java.util.Optional;
16 import org.opendaylight.controller.sal.common.util.Arguments;
17 import org.opendaylight.openflowplugin.api.OFConstants;
18 import org.opendaylight.openflowplugin.api.openflow.md.util.OpenflowVersion;
19 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.action.data.ActionConvertorData;
20 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.common.ParametrizedConvertor;
21 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.data.PacketOutConvertorData;
22 import org.opendaylight.openflowplugin.openflow.md.util.InventoryDataServiceUtil;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorRef;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorKey;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.action.grouping.action.choice.OutputActionCaseBuilder;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.action.grouping.action.choice.output.action._case.OutputActionBuilder;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.Action;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.ActionBuilder;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortNumber;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PacketOutInput;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PacketOutInputBuilder;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.TransmitPacketInput;
33 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
34 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.PathArgument;
35 import org.slf4j.Logger;
36 import org.slf4j.LoggerFactory;
39 * Converts a MD-SAL packet out data into the OF library packet out input.
44 * PacketOutConvertorData data = new PacketOutConvertorData(version);
45 * data.setDatapathId(datapathId);
47 * Optional<PacketOutInput> ofPacketInput = ConvertorManager.getInstance().convert(salPacket, data);
51 public class PacketOutConvertor implements ParametrizedConvertor<TransmitPacketInput, PacketOutInput, PacketOutConvertorData> {
52 private static final Logger LOG = LoggerFactory.getLogger(PacketOutConvertor.class);
55 * Create default empty meter mot input builder.
56 * Use this method, if result from convertor is empty.
58 * @param version Openflow version
59 * @return default empty meter mod input builder
61 public static PacketOutInput defaultResult(short version) {
62 return new PacketOutInputBuilder()
67 private static PortNumber getPortNumber(final PathArgument pathArgument, final Short ofVersion) {
68 // FIXME VD P! find InstanceIdentifier helper
69 InstanceIdentifier.IdentifiableItem<?, ?> item = Arguments.checkInstanceOf(pathArgument,
70 InstanceIdentifier.IdentifiableItem.class);
71 NodeConnectorKey key = Arguments.checkInstanceOf(item.getKey(), NodeConnectorKey.class);
72 Long port = InventoryDataServiceUtil.portNumberfromNodeConnectorId(
73 OpenflowVersion.get(ofVersion), key.getId());
74 return new PortNumber(port);
78 public Class<?> getType() {
79 return TransmitPacketInput.class;
83 public PacketOutInput convert(TransmitPacketInput source, PacketOutConvertorData data) {
84 LOG.trace("toPacketOutInput for datapathId:{}, xid:{}", data.getDatapathId(), data.getXid());
85 // Build Port ID from TransmitPacketInput.Ingress
87 Long bufferId = OFConstants.OFP_NO_BUFFER;
88 Iterable<PathArgument> inArgs = null;
89 PacketOutInputBuilder builder = new PacketOutInputBuilder();
91 if (source.getIngress() != null) {
92 inArgs = source.getIngress().getValue().getPathArguments();
95 if (inArgs != null && Iterables.size(inArgs) >= 3) {
96 inPortNr = getPortNumber(Iterables.get(inArgs, 2), data.getVersion());
98 // The packetOut originated from the controller
99 inPortNr = new PortNumber(0xfffffffdL);
102 // Build Buffer ID to be NO_OFP_NO_BUFFER
103 if (source.getBufferId() != null) {
104 bufferId = source.getBufferId();
107 PortNumber outPort = null;
108 NodeConnectorRef outRef = source.getEgress();
109 Iterable<PathArgument> outArgs = outRef.getValue().getPathArguments();
111 if (Iterables.size(outArgs) >= 3) {
112 outPort = getPortNumber(Iterables.get(outArgs, 2), data.getVersion());
114 // TODO : P4 search for some normal exception
115 // new Exception("PORT NR not exist in Egress");
116 LOG.error("PORT NR not exist in Egress");
119 List<Action> actions = new ArrayList<>();
120 List<org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.Action> inputActions = source.getAction();
122 if (inputActions != null) {
123 final ActionConvertorData actionConvertorData = new ActionConvertorData(data.getVersion());
124 actionConvertorData.setDatapathId(data.getDatapathId());
126 final Optional<List<Action>> convertedActions = ConvertorManager.getInstance().convert(
127 inputActions, actionConvertorData);
129 actions = convertedActions.orElse(Collections.emptyList());
132 // TODO VD P! wait for way to move Actions (e.g. augmentation)
133 ActionBuilder aBuild = new ActionBuilder();
134 OutputActionCaseBuilder outputActionCaseBuilder = new OutputActionCaseBuilder();
135 OutputActionBuilder outputActionBuilder = new OutputActionBuilder();
136 outputActionBuilder.setPort(outPort);
137 outputActionBuilder.setMaxLength(OFConstants.OFPCML_NO_BUFFER);
138 outputActionCaseBuilder.setOutputAction(outputActionBuilder.build());
139 aBuild.setActionChoice(outputActionCaseBuilder.build());
140 actions.add(aBuild.build());
143 builder.setAction(actions);
144 builder.setData(source.getPayload());
145 builder.setVersion(data.getVersion());
146 builder.setXid(data.getXid());
147 builder.setInPort(inPortNr);
148 builder.setBufferId(bufferId);
150 return builder.build();