openstack/net-virt-providers/src/main/java/org/opendaylight/ovsdb/openstack/netvirt/providers/openflow13/services/RoutingService.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.RoutingProvider;
  20 import org.opendaylight.ovsdb.openstack.netvirt.providers.ConfigInterface;
  21 import org.opendaylight.ovsdb.openstack.netvirt.providers.openflow13.AbstractServiceInstance;
  22 import org.opendaylight.ovsdb.openstack.netvirt.providers.openflow13.OF13Provider;
  23 import org.opendaylight.ovsdb.openstack.netvirt.providers.openflow13.Service;
  24 import org.opendaylight.ovsdb.openstack.netvirt.api.Status;
  25 import org.opendaylight.ovsdb.openstack.netvirt.api.StatusCode;
  26 import org.opendaylight.ovsdb.utils.mdsal.openflow.ActionUtils;
  27 import org.opendaylight.ovsdb.utils.mdsal.openflow.MatchUtils;
  28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Prefix;
  29 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev100924.MacAddress;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.ActionBuilder;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.ActionKey;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowId;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowBuilder;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowKey;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.InstructionsBuilder;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.MatchBuilder;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.ApplyActionsCaseBuilder;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.apply.actions._case.ApplyActionsBuilder;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.Instruction;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.InstructionBuilder;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.InstructionKey;
  42 //import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeBuilder;
  44
  45 import com.google.common.collect.Lists;
  46 import org.osgi.framework.BundleContext;
  47 import org.osgi.framework.ServiceReference;
  48
  49 public class RoutingService extends AbstractServiceInstance implements RoutingProvider, ConfigInterface {
  50     public RoutingService() {
  51         super(Service.ROUTING);
  52     }
  53
  54     public RoutingService(Service service) {
  55         super(service);
  56     }
  57
  58     @Override
  59     public Status programRouterInterface(Long dpid, String sourceSegId, String destSegId, String macAddress,
  60                                          InetAddress address, int mask, Action action) {
  61
  62         String nodeName = Constants.OPENFLOW_NODE_PREFIX + dpid;
  63
  64         MatchBuilder matchBuilder = new MatchBuilder();
  65         NodeBuilder nodeBuilder = OF13Provider.createNodeBuilder(nodeName);
  66
  67         // Instructions List Stores Individual Instructions
  68         InstructionsBuilder isb = new InstructionsBuilder();
  69         List<Instruction> instructions = Lists.newArrayList();
  70         InstructionBuilder ib = new InstructionBuilder();
  71         ApplyActionsBuilder aab = new ApplyActionsBuilder();
  72         ActionBuilder ab = new ActionBuilder();
  73         List<org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.Action> actionList = Lists.newArrayList();
  74
  75         if (sourceSegId.equals(Constants.EXTERNAL_NETWORK)) {
  76             // If matching on external network, use register reserved for InboundNatService to ensure that
  77             // ip rewrite is meant to be consumed by this destination tunnel id.
  78             MatchUtils.addNxRegMatch(matchBuilder,
  79                     new MatchUtils.RegMatch(InboundNatService.REG_FIELD, Long.valueOf(destSegId)));
  80         } else {
  81             MatchUtils.createTunnelIDMatch(matchBuilder, new BigInteger(sourceSegId));
  82         }
  83
  84         final String prefixString = address.getHostAddress() + "/" + mask;
  85         MatchUtils.createDstL3IPv4Match(matchBuilder, new Ipv4Prefix(prefixString));
  86
  87         // Set source Mac address
  88         ab.setAction(ActionUtils.setDlSrcAction(new MacAddress(macAddress)));
  89         ab.setOrder(0);
  90         ab.setKey(new ActionKey(0));
  91         actionList.add(ab.build());
  92
  93         // DecTTL
  94         ab.setAction(ActionUtils.decNwTtlAction());
  95         ab.setOrder(1);
  96         ab.setKey(new ActionKey(1));
  97         actionList.add(ab.build());
  98
  99         // Set Destination Tunnel ID
 100         ab.setAction(ActionUtils.setTunnelIdAction(new BigInteger(destSegId)));
 101         ab.setOrder(2);
 102         ab.setKey(new ActionKey(2));
 103         actionList.add(ab.build());
 104
 105         // Create Apply Actions Instruction
 106         aab.setAction(actionList);
 107         ib.setInstruction(new ApplyActionsCaseBuilder().setApplyActions(aab.build()).build());
 108         ib.setOrder(0);
 109         ib.setKey(new InstructionKey(0));
 110         instructions.add(ib.build());
 111
 112         // Goto Next Table
 113         ib = getMutablePipelineInstructionBuilder();
 114         ib.setOrder(2);
 115         ib.setKey(new InstructionKey(2));
 116         instructions.add(ib.build());
 117
 118         FlowBuilder flowBuilder = new FlowBuilder();
 119         flowBuilder.setMatch(matchBuilder.build());
 120         flowBuilder.setInstructions(isb.setInstruction(instructions).build());
 121
 122         String flowId = "Routing_" + sourceSegId + "_" + destSegId + "_" + prefixString;
 123         flowBuilder.setId(new FlowId(flowId));
 124         FlowKey key = new FlowKey(new FlowId(flowId));
 125         flowBuilder.setBarrier(true);
 126         flowBuilder.setTableId(this.getTable());
 127         flowBuilder.setKey(key);
 128         flowBuilder.setPriority(2048);
 129         flowBuilder.setFlowName(flowId);
 130         flowBuilder.setHardTimeout(0);
 131         flowBuilder.setIdleTimeout(0);
 132
 133         if (action.equals(Action.ADD)) {
 134             writeFlow(flowBuilder, nodeBuilder);
 135         } else {
 136             removeFlow(flowBuilder, nodeBuilder);
 137         }
 138
 139         // ToDo: WriteFlow/RemoveFlow should return something we can use to check success
 140         return new Status(StatusCode.SUCCESS);
 141     }
 142
 143     @Override
 144     public Status programDefaultRouteEntry(Long dpid, String segmentationId, String macAddress,
 145                                            InetAddress nextHop, Action action) {
 146
 147         String nodeName = Constants.OPENFLOW_NODE_PREFIX + dpid;
 148
 149         MatchBuilder matchBuilder = new MatchBuilder();
 150         NodeBuilder nodeBuilder = OF13Provider.createNodeBuilder(nodeName);
 151
 152         MatchUtils.createTunnelIDMatch(matchBuilder, new BigInteger(segmentationId));
 153
 154         // Instructions List Stores Individual Instructions
 155         InstructionsBuilder isb = new InstructionsBuilder();
 156         List<Instruction> instructions = Lists.newArrayList();
 157         InstructionBuilder ib = new InstructionBuilder();
 158         ApplyActionsBuilder aab = new ApplyActionsBuilder();
 159         ActionBuilder ab = new ActionBuilder();
 160         List<org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.Action> actionList = Lists.newArrayList();
 161
 162
 163         // Set source Mac address
 164         ab.setAction(ActionUtils.setDlSrcAction(new MacAddress(macAddress)));
 165         ab.setOrder(0);
 166         ab.setKey(new ActionKey(0));
 167         actionList.add(ab.build());
 168
 169         // DecTTL
 170         ab.setAction(ActionUtils.decNwTtlAction());
 171         ab.setOrder(1);
 172         ab.setKey(new ActionKey(1));
 173         actionList.add(ab.build());
 174
 175         // Create Apply Actions Instruction
 176         aab.setAction(actionList);
 177         ib.setInstruction(new ApplyActionsCaseBuilder().setApplyActions(aab.build()).build());
 178         ib.setOrder(0);
 179         ib.setKey(new InstructionKey(0));
 180         instructions.add(ib.build());
 181
 182         // Goto Next Table
 183         ib = getMutablePipelineInstructionBuilder();
 184         ib.setOrder(1);
 185         ib.setKey(new InstructionKey(1));
 186         instructions.add(ib.build());
 187
 188         FlowBuilder flowBuilder = new FlowBuilder();
 189         flowBuilder.setMatch(matchBuilder.build());
 190         flowBuilder.setInstructions(isb.setInstruction(instructions).build());
 191
 192         String flowId = "DefaultRoute_" + nextHop.getHostAddress();
 193         flowBuilder.setId(new FlowId(flowId));
 194         FlowKey key = new FlowKey(new FlowId(flowId));
 195         flowBuilder.setBarrier(true);
 196         flowBuilder.setTableId(this.getTable());
 197         flowBuilder.setKey(key);
 198         flowBuilder.setPriority(1024);
 199         flowBuilder.setFlowName(flowId);
 200         flowBuilder.setHardTimeout(0);
 201         flowBuilder.setIdleTimeout(0);
 202
 203         if (action.equals(Action.ADD)) {
 204             writeFlow(flowBuilder, nodeBuilder);
 205         } else {
 206             removeFlow(flowBuilder, nodeBuilder);
 207         }
 208
 209         // ToDo: WriteFlow/RemoveFlow should return something we can use to check success
 210         return new Status(StatusCode.SUCCESS);
 211     }
 212
 213     @Override
 214     public void setDependencies(BundleContext bundleContext, ServiceReference serviceReference) {
 215         super.setDependencies(bundleContext.getServiceReference(RoutingProvider.class.getName()), this);
 216     }
 217
 218     @Override
 219     public void setDependencies(Object impl) {
 220
 221     }
 222 }