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.openflow.md.util.OpenflowVersion;
14 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.PortNumberUni;
15 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.OutputPortValues;
16 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortNumberValues;
17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortNumberValuesV10;
20 * Class which integrates the port constants defined and used by MDSAL and the ports defined in openflow java
21 * This class is responsible for converting MDSAL given logical names to port numbers and back.
22 * Any newer version of openflow can have a similar mapping or can/should be extended.
24 * @author Kamal Rameshan on 5/2/14.
26 public class OpenflowPortsUtil {
28 static ImmutableBiMap<OpenflowVersion, ImmutableBiMap<String, Long>> versionPortMap;
30 static final String MAX = "MAX";
32 // the init gets called from MDController at the start
33 public static void init() {
36 final ImmutableBiMap<String, Long> OFv10 = new ImmutableBiMap.Builder<String, Long>()
37 .put(OutputPortValues.MAX.toString(), Long.valueOf(PortNumberValuesV10.MAX.getIntValue())) //0xff00
38 .put(OutputPortValues.INPORT.toString(), Long.valueOf(PortNumberValuesV10.INPORT.getIntValue())) //0xfff8
39 .put(OutputPortValues.TABLE.toString(), Long.valueOf(PortNumberValuesV10.TABLE.getIntValue())) //0xfff9
40 .put(OutputPortValues.NORMAL.toString(), Long.valueOf(PortNumberValuesV10.NORMAL.getIntValue())) //0xfffa
41 .put(OutputPortValues.FLOOD.toString(), Long.valueOf(PortNumberValuesV10.FLOOD.getIntValue())) //0xfffb
42 .put(OutputPortValues.ALL.toString(), Long.valueOf(PortNumberValuesV10.ALL.getIntValue())) //0xfffc
43 .put(OutputPortValues.CONTROLLER.toString(), Long.valueOf(PortNumberValuesV10.CONTROLLER.getIntValue())) //0xfffd
44 .put(OutputPortValues.LOCAL.toString(), Long.valueOf(PortNumberValuesV10.LOCAL.getIntValue())) //0xfffe
45 .put(OutputPortValues.NONE.toString(), Long.valueOf(PortNumberValuesV10.NONE.getIntValue())) //0xffff
48 // openflow 1.3 reserved ports.
49 // PortNumberValues are defined in OFJava yang. And yang maps an int to all enums. Hence we need to create longs from (-ve) ints
50 // TODO: do we need to define these ports in yang?
51 final ImmutableBiMap<String, Long> OFv13 = new ImmutableBiMap.Builder<String, Long>()
52 .put(OutputPortValues.MAX.toString(), BinContent.intToUnsignedLong(PortNumberValues.MAX.getIntValue())) //0xffffff00
53 .put(OutputPortValues.INPORT.toString(), BinContent.intToUnsignedLong(PortNumberValues.INPORT.getIntValue())) //0xfffffff8
54 .put(OutputPortValues.TABLE.toString(), BinContent.intToUnsignedLong(PortNumberValues.TABLE.getIntValue())) //0xfffffff9
55 .put(OutputPortValues.NORMAL.toString(), BinContent.intToUnsignedLong(PortNumberValues.NORMAL.getIntValue())) //0xfffffffa
56 .put(OutputPortValues.FLOOD.toString(), BinContent.intToUnsignedLong(PortNumberValues.FLOOD.getIntValue())) //0xfffffffb
57 .put(OutputPortValues.ALL.toString(), BinContent.intToUnsignedLong(PortNumberValues.ALL.getIntValue())) //0xfffffffc
58 .put(OutputPortValues.CONTROLLER.toString(), BinContent.intToUnsignedLong(PortNumberValues.CONTROLLER.getIntValue())) //0xfffffffd
59 .put(OutputPortValues.LOCAL.toString(), BinContent.intToUnsignedLong(PortNumberValues.LOCAL.getIntValue())) //0xfffffffe
60 .put(OutputPortValues.ANY.toString(), BinContent.intToUnsignedLong(PortNumberValues.ANY.getIntValue())) //0xffffffff
63 versionPortMap = new ImmutableBiMap.Builder<OpenflowVersion, ImmutableBiMap<String, Long>>()
64 .put(OpenflowVersion.OF10, OFv10)
65 .put(OpenflowVersion.OF13, OFv13)
70 public static void close() {
71 versionPortMap = null;
74 public static String getPortLogicalName(final short ofVersion, final long portNumber) {
75 return versionPortMap.get(OpenflowVersion.get(ofVersion)).inverse().get(portNumber);
78 public static String getPortLogicalName(final OpenflowVersion ofVersion, final Long portNumber) {
79 if (ofVersion.equals(OpenflowVersion.UNSUPPORTED)) {
82 return versionPortMap.get(ofVersion).inverse().get(portNumber);
85 public static Long getPortFromLogicalName(final OpenflowVersion ofVersion, final String logicalNameOrPort) {
86 Long port = versionPortMap.get(ofVersion).get(logicalNameOrPort);
89 port = Long.decode(logicalNameOrPort);
90 } catch (final NumberFormatException ne) {
91 //ignore, sent null back.
92 if (logicalNameOrPort.contains(":")) {
93 port = Long.parseLong(logicalNameOrPort.substring(logicalNameOrPort.lastIndexOf(":") + 1));
100 public static PortNumberUni getProtocolAgnosticPort(final OpenflowVersion ofVersion, final Long portNumber) {
101 final String reservedPortLogicalName = getPortLogicalName(ofVersion, portNumber);
102 return (reservedPortLogicalName == null ? new PortNumberUni(portNumber) :
103 new PortNumberUni(reservedPortLogicalName));
106 public static Long getProtocolPortNumber(final OpenflowVersion ofVersion, final PortNumberUni port) {
107 final String portLogicalName = port.getString();
109 if (portLogicalName != null) {
110 return versionPortMap.get(ofVersion).get(portLogicalName);
112 return port.getUint32();
116 public static Long getMaxPortForVersion(final OpenflowVersion ofVersion) {
117 return getPortFromLogicalName(ofVersion, MAX);
120 public static boolean isPortReserved(final OpenflowVersion ofVersion, final Long portNumber) {
121 return versionPortMap.get(ofVersion).inverse().containsKey(portNumber);
125 * @param ofVersion OpenFlow version of the switch
126 * @param portNumber port number
127 * @return true if port number is valid for given protocol version
129 public static boolean checkPortValidity(final OpenflowVersion ofVersion, final Long portNumber) {
130 boolean portIsValid = true;
131 if (portNumber == null) {
133 } else if (portNumber < 0) {
135 } else if (portNumber > OpenflowPortsUtil.getMaxPortForVersion(ofVersion)) {
136 if (!OpenflowPortsUtil.isPortReserved(ofVersion, portNumber)) {
144 * @param portNumber port number
145 * @return string containing number or logical name
147 public static String portNumberToString(final PortNumberUni portNumber) {
148 String result = null;
149 if (portNumber.getUint32() != null) {
150 result = String.valueOf(portNumber.getUint32());
151 } else if (portNumber.getString() != null) {
152 result = portNumber.getString();