1 package org.opendaylight.openflowplugin.openflow.md.util;
3 import com.google.common.collect.ImmutableBiMap;
4 import org.opendaylight.openflowjava.protocol.api.util.BinContent;
5 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.CommonPort;
6 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.OutputPortValues;
7 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortNumberValues;
8 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortNumberValuesV10;
11 * Class which integrates the port constants defined and used by MDSAL and the ports defined in openflow java
13 * This class is responsible for converting MDSAL given logical names to port numbers and back.
15 * Any newer version of openflow can have a similar mapping or can/should be extended.
17 * @author Kamal Rameshan on 5/2/14.
19 public class OpenflowPortsUtil {
21 static ImmutableBiMap<OpenflowVersion, ImmutableBiMap<String, Long>> versionPortMap;
23 static final String MAX = "MAX";
25 // the init gets called from MDController at the start
26 public static void init() {
29 ImmutableBiMap<String, Long> OFv10 = new ImmutableBiMap.Builder<String, Long>()
30 .put(OutputPortValues.MAX.toString(), new Long(PortNumberValuesV10.MAX.getIntValue())) //0xff00
31 .put(OutputPortValues.INPORT.toString(), new Long(PortNumberValuesV10.INPORT.getIntValue())) //0xfff8
32 .put(OutputPortValues.TABLE.toString(), new Long(PortNumberValuesV10.TABLE.getIntValue())) //0xfff9
33 .put(OutputPortValues.NORMAL.toString(), new Long(PortNumberValuesV10.NORMAL.getIntValue())) //0xfffa
34 .put(OutputPortValues.FLOOD.toString(), new Long(PortNumberValuesV10.FLOOD.getIntValue())) //0xfffb
35 .put(OutputPortValues.ALL.toString(), new Long(PortNumberValuesV10.ALL.getIntValue())) //0xfffc
36 .put(OutputPortValues.CONTROLLER.toString(), new Long(PortNumberValuesV10.CONTROLLER.getIntValue())) //0xfffd
37 .put(OutputPortValues.LOCAL.toString(), new Long(PortNumberValuesV10.LOCAL.getIntValue())) //0xfffe
38 .put(OutputPortValues.NONE.toString(), new Long(PortNumberValuesV10.NONE.getIntValue())) //0xfffe
41 // openflow 1.3 reserved ports.
42 // PortNumberValues are defined in OFJava yang. And yang maps an int to all enums. Hence we need to create longs from (-ve) ints
43 // TODO: do we need to define these ports in yang?
44 ImmutableBiMap<String, Long> OFv13 = new ImmutableBiMap.Builder<String, Long>()
45 .put(OutputPortValues.MAX.toString(), BinContent.intToUnsignedLong(PortNumberValues.MAX.getIntValue())) //0xffffff00
46 .put(OutputPortValues.INPORT.toString(), BinContent.intToUnsignedLong(PortNumberValues.INPORT.getIntValue())) //0xfffffff8
47 .put(OutputPortValues.TABLE.toString(), BinContent.intToUnsignedLong(PortNumberValues.TABLE.getIntValue())) //0xfffffff9
48 .put(OutputPortValues.NORMAL.toString(), BinContent.intToUnsignedLong(PortNumberValues.NORMAL.getIntValue())) //0xfffffffa
49 .put(OutputPortValues.FLOOD.toString(), BinContent.intToUnsignedLong(PortNumberValues.FLOOD.getIntValue())) //0xfffffffb
50 .put(OutputPortValues.ALL.toString(), BinContent.intToUnsignedLong(PortNumberValues.ALL.getIntValue())) //0xfffffffc
51 .put(OutputPortValues.CONTROLLER.toString(), BinContent.intToUnsignedLong(PortNumberValues.CONTROLLER.getIntValue())) //0xfffffffd
52 .put(OutputPortValues.LOCAL.toString(), BinContent.intToUnsignedLong(PortNumberValues.LOCAL.getIntValue())) //0xfffffffe
53 .put(OutputPortValues.ANY.toString(), BinContent.intToUnsignedLong(PortNumberValues.ANY.getIntValue())) //0xffffffff
56 versionPortMap = new ImmutableBiMap.Builder<OpenflowVersion, ImmutableBiMap<String, Long>>()
57 .put(OpenflowVersion.OF10, OFv10)
58 .put(OpenflowVersion.OF13, OFv13)
63 public static void close() {
64 versionPortMap = null;
67 public static String getPortLogicalName(OpenflowVersion ofVersion, Long portNumber) {
68 return versionPortMap.get(ofVersion).inverse().get(portNumber);
71 public static Long getPortFromLogicalName(OpenflowVersion ofVersion, String logicalNameOrPort) {
72 Long port = versionPortMap.get(ofVersion).get(logicalNameOrPort);
75 port = Long.decode(logicalNameOrPort);
76 } catch(NumberFormatException ne) {
77 //ignore, sent null back.
83 public static CommonPort.PortNumber getProtocolAgnosticPort(OpenflowVersion ofVersion, Long portNumber) {
84 String reservedPortLogicalName = getPortLogicalName(ofVersion, portNumber);
85 return (reservedPortLogicalName == null ? new CommonPort.PortNumber(portNumber) :
86 new CommonPort.PortNumber(reservedPortLogicalName));
89 public static Long getProtocolPortNumber(OpenflowVersion ofVersion, CommonPort.PortNumber port) {
90 String portLogicalName = port.getString();
92 if (portLogicalName != null) {
93 return versionPortMap.get(ofVersion).get(portLogicalName);
95 return port.getUint32();
99 public static Long getMaxPortForVersion(OpenflowVersion ofVersion) {
100 return getPortFromLogicalName (ofVersion, MAX);
103 public static boolean isPortReserved(OpenflowVersion ofVersion, Long portNumber) {
104 return versionPortMap.get(ofVersion).inverse().containsKey(portNumber);