openstack/net-virt-providers/src/main/java/org/opendaylight/ovsdb/openstack/netvirt/providers/openflow13/services/OutboundNatService.java

   1 /*
   2  * Copyright (C) 2014 Red Hat, Inc.
   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  * Authors : Madhu Venugopal, Dave Tucker
   9  */
  10
  11 package org.opendaylight.ovsdb.openstack.netvirt.providers.openflow13.services;
  12
  13 import java.math.BigInteger;
  14 import java.net.InetAddress;
  15 import java.util.List;
  16
  17 import org.opendaylight.ovsdb.openstack.netvirt.api.Action;
  18 import org.opendaylight.ovsdb.openstack.netvirt.api.Constants;
  19 import org.opendaylight.ovsdb.openstack.netvirt.api.OutboundNatProvider;
  20 import org.opendaylight.ovsdb.openstack.netvirt.api.Status;
  21 import org.opendaylight.ovsdb.openstack.netvirt.api.StatusCode;
  22 import org.opendaylight.ovsdb.openstack.netvirt.providers.ConfigInterface;
  23 import org.opendaylight.ovsdb.openstack.netvirt.providers.openflow13.AbstractServiceInstance;
  24 import org.opendaylight.ovsdb.openstack.netvirt.providers.openflow13.OF13Provider;
  25 import org.opendaylight.ovsdb.openstack.netvirt.providers.openflow13.Service;
  26 import org.opendaylight.ovsdb.utils.mdsal.openflow.ActionUtils;
  27 import org.opendaylight.ovsdb.utils.mdsal.openflow.InstructionUtils;
  28 import org.opendaylight.ovsdb.utils.mdsal.openflow.MatchUtils;
  29 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Prefix;
  30 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev100924.MacAddress;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.ActionBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.ActionKey;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.address.address.Ipv4Builder;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowId;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowBuilder;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowKey;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.InstructionsBuilder;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.MatchBuilder;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.ApplyActionsCaseBuilder;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.apply.actions._case.ApplyActionsBuilder;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.Instruction;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.InstructionBuilder;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.InstructionKey;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeBuilder;
  45
  46 import com.google.common.collect.Lists;
  47 import org.osgi.framework.BundleContext;
  48 import org.osgi.framework.ServiceReference;
  49
  50 public class OutboundNatService extends AbstractServiceInstance implements OutboundNatProvider, ConfigInterface {
  51     public OutboundNatService() {
  52         super(Service.OUTBOUND_NAT);
  53     }
  54
  55     public OutboundNatService(Service service) {
  56         super(service);
  57     }
  58
  59     @Override
  60     public Status programIpRewriteRule(Long dpidLong,
  61                                        String matchSegmentationId,
  62                                        String matchDestMacAddress,
  63                                        InetAddress matchSrcAddress,
  64                                        String rewriteSrcMacAddress,
  65                                        String rewriteDestMacAddress,
  66                                        InetAddress rewriteSrcAddress,
  67                                        Long OutPort,
  68                                        Action action) {
  69         String nodeName = Constants.OPENFLOW_NODE_PREFIX + dpidLong;
  70
  71         MatchBuilder matchBuilder = new MatchBuilder();
  72         NodeBuilder nodeBuilder = OF13Provider.createNodeBuilder(nodeName);
  73
  74         MatchUtils.createDmacIpSaMatch(matchBuilder,
  75                 matchDestMacAddress,
  76                 MatchUtils.iPv4PrefixFromIPv4Address(matchSrcAddress.getHostAddress()),
  77                 matchSegmentationId);
  78
  79         // Instructions List Stores Individual Instructions
  80         InstructionsBuilder isb = new InstructionsBuilder();
  81         List<Instruction> instructions = Lists.newArrayList();
  82         List<Instruction> instructions_tmp = Lists.newArrayList();
  83         InstructionBuilder ib = new InstructionBuilder();
  84
  85         ApplyActionsBuilder aab = new ApplyActionsBuilder();
  86         ActionBuilder ab = new ActionBuilder();
  87         List<org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.Action> actionList =
  88                 Lists.newArrayList();
  89
  90         // Set source Mac address
  91         ab.setAction(ActionUtils.setDlSrcAction(new MacAddress(rewriteSrcMacAddress)));
  92         ab.setOrder(0);
  93         ab.setKey(new ActionKey(0));
  94         actionList.add(ab.build());
  95
  96         // DecTTL
  97         ab.setAction(ActionUtils.decNwTtlAction());
  98         ab.setOrder(1);
  99         ab.setKey(new ActionKey(1));
 100         actionList.add(ab.build());
 101
 102         // Set Destination Mac address
 103         ab.setAction(ActionUtils.setDlDstAction(new MacAddress(rewriteDestMacAddress)));
 104         ab.setOrder(2);
 105         ab.setKey(new ActionKey(2));
 106         actionList.add(ab.build());
 107
 108         // Set source Ip address
 109         Ipv4Builder ipb = new Ipv4Builder().setIpv4Address(
 110                 MatchUtils.iPv4PrefixFromIPv4Address(rewriteSrcAddress.getHostAddress()));
 111         ab.setAction(ActionUtils.setNwSrcAction(ipb.build()));
 112         ab.setOrder(3);
 113         ab.setKey(new ActionKey(3));
 114         actionList.add(ab.build());
 115
 116         // Create Apply Actions Instruction
 117         aab.setAction(actionList);
 118         ib.setInstruction(new ApplyActionsCaseBuilder().setApplyActions(aab.build()).build());
 119         ib.setOrder(0);
 120         ib.setKey(new InstructionKey(0));
 121         instructions_tmp.add(ib.build());
 122
 123         // Set the Output Port/Iface
 124         ib = new InstructionBuilder();
 125         InstructionUtils.addOutputPortInstructions(ib, dpidLong, OutPort, instructions_tmp);
 126         ib.setOrder(0);
 127         ib.setKey(new InstructionKey(0));
 128         instructions.add(ib.build());
 129
 130         FlowBuilder flowBuilder = new FlowBuilder();
 131         flowBuilder.setMatch(matchBuilder.build());
 132         flowBuilder.setInstructions(isb.setInstruction(instructions).build());
 133
 134         String flowId = "OutboundNAT_" + matchSegmentationId + "_" + matchSrcAddress.getHostAddress();
 135         flowBuilder.setId(new FlowId(flowId));
 136         FlowKey key = new FlowKey(new FlowId(flowId));
 137         flowBuilder.setBarrier(true);
 138         flowBuilder.setTableId(this.getTable());
 139         flowBuilder.setKey(key);
 140         flowBuilder.setPriority(512);
 141         flowBuilder.setFlowName(flowId);
 142         flowBuilder.setHardTimeout(0);
 143         flowBuilder.setIdleTimeout(0);
 144
 145         if (action.equals(Action.ADD)) {
 146             writeFlow(flowBuilder, nodeBuilder);
 147         } else {
 148             removeFlow(flowBuilder, nodeBuilder);
 149         }
 150
 151         // ToDo: WriteFlow/RemoveFlow should return something we can use to check success
 152         return new Status(StatusCode.SUCCESS);
 153     }
 154
 155     @Override
 156     public Status programIpRewriteExclusion(Long dpid, String segmentationId, String excludedCidr,
 157                                             Action action) {
 158         String nodeName = Constants.OPENFLOW_NODE_PREFIX + dpid;
 159
 160         MatchBuilder matchBuilder = new MatchBuilder();
 161         NodeBuilder nodeBuilder = OF13Provider.createNodeBuilder(nodeName);
 162
 163         // Instructions List Stores Individual Instructions
 164         InstructionsBuilder isb = new InstructionsBuilder();
 165         List<Instruction> instructions = Lists.newArrayList();
 166         InstructionBuilder ib;
 167
 168         MatchUtils.createTunnelIDMatch(matchBuilder, new BigInteger(segmentationId));
 169         MatchUtils.createDstL3IPv4Match(matchBuilder, new Ipv4Prefix(excludedCidr));
 170
 171         // Goto Next Table
 172         ib = getMutablePipelineInstructionBuilder();
 173         ib.setOrder(0);
 174         ib.setKey(new InstructionKey(0));
 175         instructions.add(ib.build());
 176
 177         FlowBuilder flowBuilder = new FlowBuilder();
 178         flowBuilder.setMatch(matchBuilder.build());
 179         flowBuilder.setInstructions(isb.setInstruction(instructions).build());
 180
 181         String flowId = "OutboundNATExclusion_" + segmentationId + "_" + excludedCidr;
 182         flowBuilder.setId(new FlowId(flowId));
 183         FlowKey key = new FlowKey(new FlowId(flowId));
 184         flowBuilder.setBarrier(true);
 185         flowBuilder.setTableId(this.getTable());
 186         flowBuilder.setKey(key);
 187         flowBuilder.setPriority(1024);
 188         flowBuilder.setFlowName(flowId);
 189         flowBuilder.setHardTimeout(0);
 190         flowBuilder.setIdleTimeout(0);
 191
 192         if (action.equals(Action.ADD)) {
 193             writeFlow(flowBuilder, nodeBuilder);
 194         } else {
 195             removeFlow(flowBuilder, nodeBuilder);
 196         }
 197
 198         // ToDo: WriteFlow/RemoveFlow should return something we can use to check success
 199         return new Status(StatusCode.SUCCESS);
 200     }
 201
 202     @Override
 203     public void setDependencies(BundleContext bundleContext, ServiceReference serviceReference) {
 204         super.setDependencies(bundleContext.getServiceReference(OutboundNatProvider.class.getName()), this);
 205     }
 206
 207     @Override
 208     public void setDependencies(Object impl) {
 209
 210     }
 211 }