2 * Copyright (C) 2014 Red Hat, Inc.
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
8 * Authors : Madhu Venugopal, Dave Tucker
11 package org.opendaylight.ovsdb.openstack.netvirt.providers.openflow13.services;
13 import java.math.BigInteger;
14 import java.net.InetAddress;
15 import java.util.List;
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.providers.openflow13.AbstractServiceInstance;
21 import org.opendaylight.ovsdb.openstack.netvirt.providers.openflow13.OF13Provider;
22 import org.opendaylight.ovsdb.openstack.netvirt.providers.openflow13.Service;
23 import org.opendaylight.ovsdb.plugin.api.Status;
24 import org.opendaylight.ovsdb.plugin.api.StatusCode;
25 import org.opendaylight.ovsdb.utils.mdsal.openflow.InstructionUtils;
26 import org.opendaylight.ovsdb.utils.mdsal.openflow.MatchUtils;
27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Prefix;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowId;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowBuilder;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowKey;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.InstructionsBuilder;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.MatchBuilder;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.Instruction;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.InstructionBuilder;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.InstructionKey;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeBuilder;
39 import com.google.common.collect.Lists;
41 public class OutboundNatService extends AbstractServiceInstance implements OutboundNatProvider {
42 public OutboundNatService() {
43 super(Service.OUTBOUND_NAT);
46 public OutboundNatService(Service service) {
51 public Status programIpRewriteRule(Node node, Long dpid, String segmentationId, InetAddress matchAddress,
52 InetAddress rewriteAddress, Action action) {
53 String nodeName = Constants.OPENFLOW_NODE_PREFIX + dpid;
55 MatchBuilder matchBuilder = new MatchBuilder();
56 NodeBuilder nodeBuilder = OF13Provider.createNodeBuilder(nodeName);
58 // Instructions List Stores Individual Instructions
59 InstructionsBuilder isb = new InstructionsBuilder();
60 List<Instruction> instructions = Lists.newArrayList();
61 InstructionBuilder ib = new InstructionBuilder();
63 MatchUtils.createTunnelIDMatch(matchBuilder, new BigInteger(segmentationId));
64 MatchUtils.createDstL3IPv4Match(matchBuilder,
65 MatchUtils.iPv4PrefixFromIPv4Address(matchAddress.getHostAddress()));
67 // Set Dest IP address
68 InstructionUtils.createNwDstInstructions(ib,
69 MatchUtils.iPv4PrefixFromIPv4Address(rewriteAddress.getHostAddress()));
71 ib.setKey(new InstructionKey(0));
72 instructions.add(ib.build());
75 ib = getMutablePipelineInstructionBuilder();
77 ib.setKey(new InstructionKey(1));
78 instructions.add(ib.build());
80 FlowBuilder flowBuilder = new FlowBuilder();
81 flowBuilder.setMatch(matchBuilder.build());
82 flowBuilder.setInstructions(isb.setInstruction(instructions).build());
84 String flowId = "OutboundNAT_" + rewriteAddress.getHostAddress();
85 flowBuilder.setId(new FlowId(flowId));
86 FlowKey key = new FlowKey(new FlowId(flowId));
87 flowBuilder.setBarrier(true);
88 flowBuilder.setTableId(this.getTable());
89 flowBuilder.setKey(key);
90 flowBuilder.setPriority(1024);
91 flowBuilder.setFlowName(flowId);
92 flowBuilder.setHardTimeout(0);
93 flowBuilder.setIdleTimeout(0);
95 if (action.equals(Action.ADD)) {
96 writeFlow(flowBuilder, nodeBuilder);
98 removeFlow(flowBuilder, nodeBuilder);
101 // ToDo: WriteFlow/RemoveFlow should return something we can use to check success
102 return new Status(StatusCode.SUCCESS);
106 public Status programIpRewriteExclusion(Node node, Long dpid, String segmentationId, String excludedCidr,
108 String nodeName = Constants.OPENFLOW_NODE_PREFIX + dpid;
110 MatchBuilder matchBuilder = new MatchBuilder();
111 NodeBuilder nodeBuilder = OF13Provider.createNodeBuilder(nodeName);
113 // Instructions List Stores Individual Instructions
114 InstructionsBuilder isb = new InstructionsBuilder();
115 List<Instruction> instructions = Lists.newArrayList();
116 InstructionBuilder ib;
118 MatchUtils.createTunnelIDMatch(matchBuilder, new BigInteger(segmentationId));
119 MatchUtils.createDstL3IPv4Match(matchBuilder, new Ipv4Prefix(excludedCidr));
122 ib = getMutablePipelineInstructionBuilder();
124 ib.setKey(new InstructionKey(0));
125 instructions.add(ib.build());
127 FlowBuilder flowBuilder = new FlowBuilder();
128 flowBuilder.setMatch(matchBuilder.build());
129 flowBuilder.setInstructions(isb.setInstruction(instructions).build());
131 String flowId = "OutboundNATExclusion_" + excludedCidr;
132 flowBuilder.setId(new FlowId(flowId));
133 FlowKey key = new FlowKey(new FlowId(flowId));
134 flowBuilder.setBarrier(true);
135 flowBuilder.setTableId(this.getTable());
136 flowBuilder.setKey(key);
137 flowBuilder.setPriority(1024);
138 flowBuilder.setFlowName(flowId);
139 flowBuilder.setHardTimeout(0);
140 flowBuilder.setIdleTimeout(0);
142 if (action.equals(Action.ADD)) {
143 writeFlow(flowBuilder, nodeBuilder);
145 removeFlow(flowBuilder, nodeBuilder);
148 // ToDo: WriteFlow/RemoveFlow should return something we can use to check success
149 return new Status(StatusCode.SUCCESS);