2 * Copyright (c) 2013, 2015 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.util;
11 import com.google.common.collect.ImmutableBiMap;
12 import org.opendaylight.openflowjava.protocol.api.util.BinContent;
13 import org.opendaylight.openflowplugin.api.OFConstants;
14 import org.opendaylight.openflowplugin.api.openflow.md.util.OpenflowVersion;
15 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.PortNumberUni;
16 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.OutputPortValues;
17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortNumberValues;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortNumberValuesV10;
21 * Class which integrates the port constants defined and used by MDSAL and the ports defined in openflow java
22 * This class is responsible for converting MDSAL given logical names to port numbers and back.
23 * Any newer version of openflow can have a similar mapping or can/should be extended.
25 * @author Kamal Rameshan on 5/2/14.
27 public class OpenflowPortsUtil {
28 private static final ImmutableBiMap<Short, ImmutableBiMap<String, Long>> versionPortMap;
29 private static final ImmutableBiMap<Short, ImmutableBiMap<Long, String>> versionInversePortMap;
33 final ImmutableBiMap<String, Long> ofv10ports = new ImmutableBiMap.Builder<String, Long>()
34 .put(OutputPortValues.MAX.toString(), (long) PortNumberValuesV10.MAX.getIntValue()) //0xff00
35 .put(OutputPortValues.INPORT.toString(), (long) PortNumberValuesV10.INPORT.getIntValue()) //0xfff8
36 .put(OutputPortValues.TABLE.toString(), (long) PortNumberValuesV10.TABLE.getIntValue()) //0xfff9
37 .put(OutputPortValues.NORMAL.toString(), (long) PortNumberValuesV10.NORMAL.getIntValue()) //0xfffa
38 .put(OutputPortValues.FLOOD.toString(), (long) PortNumberValuesV10.FLOOD.getIntValue()) //0xfffb
39 .put(OutputPortValues.ALL.toString(), (long) PortNumberValuesV10.ALL.getIntValue()) //0xfffc
40 .put(OutputPortValues.CONTROLLER.toString(), (long) PortNumberValuesV10.CONTROLLER.getIntValue()) //0xfffd
41 .put(OutputPortValues.LOCAL.toString(), (long) PortNumberValuesV10.LOCAL.getIntValue()) //0xfffe
42 .put(OutputPortValues.NONE.toString(), (long) PortNumberValuesV10.NONE.getIntValue()) //0xffff
45 // openflow 1.3 reserved ports.
46 // PortNumberValues are defined in OFJava yang. And yang maps an int to all enums. Hence we need to create longs from (-ve) ints
47 // TODO: do we need to define these ports in yang?
48 final ImmutableBiMap<String, Long> ofv13ports = new ImmutableBiMap.Builder<String, Long>()
49 .put(OutputPortValues.MAX.toString(), BinContent.intToUnsignedLong(PortNumberValues.MAX.getIntValue())) //0xffffff00
50 .put(OutputPortValues.INPORT.toString(), BinContent.intToUnsignedLong(PortNumberValues.INPORT.getIntValue())) //0xfffffff8
51 .put(OutputPortValues.TABLE.toString(), BinContent.intToUnsignedLong(PortNumberValues.TABLE.getIntValue())) //0xfffffff9
52 .put(OutputPortValues.NORMAL.toString(), BinContent.intToUnsignedLong(PortNumberValues.NORMAL.getIntValue())) //0xfffffffa
53 .put(OutputPortValues.FLOOD.toString(), BinContent.intToUnsignedLong(PortNumberValues.FLOOD.getIntValue())) //0xfffffffb
54 .put(OutputPortValues.ALL.toString(), BinContent.intToUnsignedLong(PortNumberValues.ALL.getIntValue())) //0xfffffffc
55 .put(OutputPortValues.CONTROLLER.toString(), BinContent.intToUnsignedLong(PortNumberValues.CONTROLLER.getIntValue())) //0xfffffffd
56 .put(OutputPortValues.LOCAL.toString(), BinContent.intToUnsignedLong(PortNumberValues.LOCAL.getIntValue())) //0xfffffffe
57 .put(OutputPortValues.ANY.toString(), BinContent.intToUnsignedLong(PortNumberValues.ANY.getIntValue())) //0xffffffff
60 versionPortMap = new ImmutableBiMap.Builder<Short, ImmutableBiMap<String, Long>>()
61 .put(OFConstants.OFP_VERSION_1_0, ofv10ports)
62 .put(OFConstants.OFP_VERSION_1_3, ofv13ports)
65 versionInversePortMap = new ImmutableBiMap.Builder<Short, ImmutableBiMap<Long, String>>()
66 .put(OFConstants.OFP_VERSION_1_0, ofv10ports.inverse())
67 .put(OFConstants.OFP_VERSION_1_3, ofv13ports.inverse())
71 public static String getPortLogicalName(final short ofVersion, final Long portNumber) {
72 return versionInversePortMap.get(ofVersion).get(portNumber);
75 public static String getPortLogicalName(final OpenflowVersion ofVersion, final Long portNumber) {
76 return ofVersion.equals(OpenflowVersion.UNSUPPORTED)
78 : getPortLogicalName(ofVersion.getVersion(), portNumber);
81 public static Long getPortFromLogicalName(final OpenflowVersion ofVersion, final String logicalNameOrPort) {
82 Long port = versionPortMap.get(ofVersion.getVersion()).get(logicalNameOrPort);
85 port = Long.decode(logicalNameOrPort);
86 } catch (final NumberFormatException ne) {
87 //ignore, sent null back.
88 if (logicalNameOrPort.contains(":")) {
89 port = Long.parseLong(logicalNameOrPort.substring(logicalNameOrPort.lastIndexOf(":") + 1));
96 public static PortNumberUni getProtocolAgnosticPort(final OpenflowVersion ofVersion, final Long portNumber) {
97 final String reservedPortLogicalName = getPortLogicalName(ofVersion, portNumber);
99 return reservedPortLogicalName == null
100 ? new PortNumberUni(portNumber)
101 : new PortNumberUni(reservedPortLogicalName);
104 public static Long getProtocolPortNumber(final OpenflowVersion ofVersion, final PortNumberUni port) {
105 final String portLogicalName = port.getString();
107 return portLogicalName != null
108 ? versionPortMap.get(ofVersion.getVersion()).get(portLogicalName)
112 public static Long getMaxPortForVersion(final OpenflowVersion ofVersion) {
113 return getPortFromLogicalName(ofVersion, OutputPortValues.MAX.getName());
116 public static boolean isPortReserved(final OpenflowVersion ofVersion, final Long portNumber) {
117 return versionInversePortMap.get(ofVersion.getVersion()).containsKey(portNumber);
121 * @param ofVersion OpenFlow version of the switch
122 * @param portNumber port number
123 * @return true if port number is valid for given protocol version
125 public static boolean checkPortValidity(final OpenflowVersion ofVersion, final Long portNumber) {
126 boolean portIsValid = true;
127 if (portNumber == null) {
129 } else if (portNumber < 0) {
131 } else if (portNumber > getMaxPortForVersion(ofVersion)) {
132 if (!isPortReserved(ofVersion, portNumber)) {
140 * @param portNumber port number
141 * @return string containing number or logical name
143 public static String portNumberToString(final PortNumberUni portNumber) {
144 String result = null;
145 if (portNumber.getUint32() != null) {
146 result = String.valueOf(portNumber.getUint32());
147 } else if (portNumber.getString() != null) {
148 result = portNumber.getString();