openflowplugin/src/main/java/org/opendaylight/openflowplugin/openflow/md/core/sal/convertor/match/cases/SalToOfArpMatchCase.java

   1 /*
   2  * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   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
   7  */
   8
   9 package org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.match.cases;
  10
  11 import java.util.ArrayList;
  12 import java.util.Iterator;
  13 import java.util.List;
  14 import java.util.Optional;
  15 import javax.annotation.Nonnull;
  16 import org.opendaylight.openflowjava.util.ByteBufUtils;
  17 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.ConvertorExecutor;
  18 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.common.ConvertorCase;
  19 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.common.IpConversionUtil;
  20 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.data.VersionConvertorData;
  21 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.match.MatchConvertorUtil;
  22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
  23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.arp.match.fields.ArpSourceHardwareAddress;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.arp.match.fields.ArpTargetHardwareAddress;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._3.match.ArpMatch;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.ArpOp;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.ArpSha;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.ArpSpa;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.ArpTha;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.ArpTpa;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.OpenflowBasicClass;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntryBuilder;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.ArpOpCaseBuilder;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.ArpShaCaseBuilder;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.ArpSpaCaseBuilder;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.ArpThaCaseBuilder;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.ArpTpaCaseBuilder;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.arp.op._case.ArpOpBuilder;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.arp.sha._case.ArpShaBuilder;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.arp.spa._case.ArpSpaBuilder;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.arp.tha._case.ArpThaBuilder;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.arp.tpa._case.ArpTpaBuilder;
  45
  46 public class SalToOfArpMatchCase extends ConvertorCase<ArpMatch, List<MatchEntry>, VersionConvertorData> {
  47     public SalToOfArpMatchCase() {
  48         super(ArpMatch.class, true);
  49     }
  50
  51     @Override
  52     public Optional<List<MatchEntry>> process(@Nonnull ArpMatch source, VersionConvertorData data, ConvertorExecutor convertorExecutor) {
  53         List<MatchEntry> result = new ArrayList<>();
  54
  55         if (source.getArpOp() != null) {
  56             MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder();
  57             matchEntryBuilder.setOxmClass(OpenflowBasicClass.class);
  58             matchEntryBuilder.setHasMask(false);
  59             matchEntryBuilder.setOxmMatchField(ArpOp.class);
  60             ArpOpCaseBuilder arpOpCaseBuilder = new ArpOpCaseBuilder();
  61             ArpOpBuilder arpOpBuilder = new ArpOpBuilder();
  62             arpOpBuilder.setOpCode(source.getArpOp());
  63             arpOpCaseBuilder.setArpOp(arpOpBuilder.build());
  64             matchEntryBuilder.setMatchEntryValue(arpOpCaseBuilder.build());
  65             result.add(matchEntryBuilder.build());
  66         }
  67
  68         if (source.getArpSourceTransportAddress() != null) {
  69             Ipv4Prefix ipv4Prefix = source.getArpSourceTransportAddress();
  70             MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder();
  71             matchEntryBuilder.setOxmClass(OpenflowBasicClass.class);
  72             matchEntryBuilder.setOxmMatchField(ArpSpa.class);
  73
  74             ArpSpaCaseBuilder arpSpaCaseBuilder = new ArpSpaCaseBuilder();
  75             ArpSpaBuilder arpSpaBuilder = new ArpSpaBuilder();
  76
  77             Iterator<String> addressParts = IpConversionUtil.splitToParts(ipv4Prefix);
  78             Ipv4Address ipv4Address = new Ipv4Address(addressParts.next());
  79             arpSpaBuilder.setIpv4Address(ipv4Address);
  80             boolean hasMask = false;
  81             byte[] mask = MatchConvertorUtil.extractIpv4Mask(addressParts);
  82             if (null != mask) {
  83                 arpSpaBuilder.setMask(mask);
  84                 hasMask = true;
  85             }
  86             matchEntryBuilder.setHasMask(hasMask);
  87             arpSpaCaseBuilder.setArpSpa(arpSpaBuilder.build());
  88             matchEntryBuilder.setMatchEntryValue(arpSpaCaseBuilder.build());
  89             result.add(matchEntryBuilder.build());
  90         }
  91
  92         if (source.getArpTargetTransportAddress() != null) {
  93             Ipv4Prefix ipv4Prefix = source.getArpTargetTransportAddress();
  94             MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder();
  95             matchEntryBuilder.setOxmClass(OpenflowBasicClass.class);
  96             matchEntryBuilder.setOxmMatchField(ArpTpa.class);
  97
  98             ArpTpaCaseBuilder arpTpaCaseBuilder = new ArpTpaCaseBuilder();
  99             ArpTpaBuilder arpTpaBuilder = new ArpTpaBuilder();
 100
 101             Iterator<String> addressParts = IpConversionUtil.splitToParts(ipv4Prefix);
 102             Ipv4Address ipv4Address = new Ipv4Address(addressParts.next());
 103             arpTpaBuilder.setIpv4Address(ipv4Address);
 104             boolean hasMask = false;
 105             byte[] mask = MatchConvertorUtil.extractIpv4Mask(addressParts);
 106             if (null != mask) {
 107                 arpTpaBuilder.setMask(mask);
 108                 hasMask = true;
 109             }
 110             matchEntryBuilder.setHasMask(hasMask);
 111             arpTpaCaseBuilder.setArpTpa(arpTpaBuilder.build());
 112             matchEntryBuilder.setMatchEntryValue(arpTpaCaseBuilder.build());
 113             result.add(matchEntryBuilder.build());
 114         }
 115
 116         ArpSourceHardwareAddress arpSourceHardwareAddress = source.getArpSourceHardwareAddress();
 117         if (arpSourceHardwareAddress != null) {
 118             MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder();
 119             matchEntryBuilder.setOxmClass(OpenflowBasicClass.class);
 120             matchEntryBuilder.setOxmMatchField(ArpSha.class);
 121
 122             ArpShaCaseBuilder arpShaCaseBuilder = new ArpShaCaseBuilder();
 123             ArpShaBuilder arpShaBuilder = new ArpShaBuilder();
 124             arpShaBuilder.setMacAddress(arpSourceHardwareAddress.getAddress());
 125             boolean hasMask = false;
 126             if (null != arpSourceHardwareAddress.getMask()) {
 127                 arpShaBuilder.setMask(ByteBufUtils.macAddressToBytes(arpSourceHardwareAddress.getMask().getValue()));
 128                 hasMask = true;
 129             }
 130             arpShaCaseBuilder.setArpSha(arpShaBuilder.build());
 131             matchEntryBuilder.setMatchEntryValue(arpShaCaseBuilder.build());
 132             matchEntryBuilder.setHasMask(hasMask);
 133             result.add(matchEntryBuilder.build());
 134         }
 135
 136         ArpTargetHardwareAddress arpTargetHardwareAddress = source.getArpTargetHardwareAddress();
 137         if (arpTargetHardwareAddress != null) {
 138             MatchEntryBuilder matchEntryBuilder = new MatchEntryBuilder();
 139             matchEntryBuilder.setOxmClass(OpenflowBasicClass.class);
 140             matchEntryBuilder.setOxmMatchField(ArpTha.class);
 141
 142             ArpThaCaseBuilder arpThaCaseBuilder = new ArpThaCaseBuilder();
 143             ArpThaBuilder arpThaBuilder = new ArpThaBuilder();
 144             arpThaBuilder.setMacAddress(arpTargetHardwareAddress.getAddress());
 145             boolean hasMask = false;
 146             if (null != arpTargetHardwareAddress.getMask()) {
 147                 arpThaBuilder.setMask(ByteBufUtils.macAddressToBytes(arpTargetHardwareAddress.getMask().getValue()));
 148                 hasMask = true;
 149             }
 150             arpThaCaseBuilder.setArpTha(arpThaBuilder.build());
 151             matchEntryBuilder.setMatchEntryValue(arpThaCaseBuilder.build());
 152             matchEntryBuilder.setHasMask(hasMask);
 153             result.add(matchEntryBuilder.build());
 154         }
 155
 156         return Optional.of(result);
 157     }
 158 }