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.api.Status;
21 import org.opendaylight.ovsdb.openstack.netvirt.api.StatusCode;
22 import org.opendaylight.ovsdb.openstack.netvirt.providers.openflow13.AbstractServiceInstance;
23 import org.opendaylight.ovsdb.openstack.netvirt.providers.openflow13.OF13Provider;
24 import org.opendaylight.ovsdb.openstack.netvirt.providers.openflow13.Service;
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.NodeBuilder;
38 import com.google.common.collect.Lists;
40 public class OutboundNatService extends AbstractServiceInstance implements OutboundNatProvider {
41 public OutboundNatService() {
42 super(Service.OUTBOUND_NAT);
45 public OutboundNatService(Service service) {
50 public Status programIpRewriteRule(Long dpid, String segmentationId, InetAddress matchAddress,
51 InetAddress rewriteAddress, Action action) {
52 String nodeName = Constants.OPENFLOW_NODE_PREFIX + dpid;
54 MatchBuilder matchBuilder = new MatchBuilder();
55 NodeBuilder nodeBuilder = OF13Provider.createNodeBuilder(nodeName);
57 // Instructions List Stores Individual Instructions
58 InstructionsBuilder isb = new InstructionsBuilder();
59 List<Instruction> instructions = Lists.newArrayList();
60 InstructionBuilder ib = new InstructionBuilder();
62 MatchUtils.createTunnelIDMatch(matchBuilder, new BigInteger(segmentationId));
63 MatchUtils.createDstL3IPv4Match(matchBuilder,
64 MatchUtils.iPv4PrefixFromIPv4Address(matchAddress.getHostAddress()));
66 // Set Dest IP address
67 InstructionUtils.createNwDstInstructions(ib,
68 MatchUtils.iPv4PrefixFromIPv4Address(rewriteAddress.getHostAddress()));
70 ib.setKey(new InstructionKey(0));
71 instructions.add(ib.build());
74 ib = getMutablePipelineInstructionBuilder();
76 ib.setKey(new InstructionKey(1));
77 instructions.add(ib.build());
79 FlowBuilder flowBuilder = new FlowBuilder();
80 flowBuilder.setMatch(matchBuilder.build());
81 flowBuilder.setInstructions(isb.setInstruction(instructions).build());
83 String flowId = "OutboundNAT_" + rewriteAddress.getHostAddress();
84 flowBuilder.setId(new FlowId(flowId));
85 FlowKey key = new FlowKey(new FlowId(flowId));
86 flowBuilder.setBarrier(true);
87 flowBuilder.setTableId(this.getTable());
88 flowBuilder.setKey(key);
89 flowBuilder.setPriority(1024);
90 flowBuilder.setFlowName(flowId);
91 flowBuilder.setHardTimeout(0);
92 flowBuilder.setIdleTimeout(0);
94 if (action.equals(Action.ADD)) {
95 writeFlow(flowBuilder, nodeBuilder);
97 removeFlow(flowBuilder, nodeBuilder);
100 // ToDo: WriteFlow/RemoveFlow should return something we can use to check success
101 return new Status(StatusCode.SUCCESS);
105 public Status programIpRewriteExclusion(Long dpid, String segmentationId, String excludedCidr,
107 String nodeName = Constants.OPENFLOW_NODE_PREFIX + dpid;
109 MatchBuilder matchBuilder = new MatchBuilder();
110 NodeBuilder nodeBuilder = OF13Provider.createNodeBuilder(nodeName);
112 // Instructions List Stores Individual Instructions
113 InstructionsBuilder isb = new InstructionsBuilder();
114 List<Instruction> instructions = Lists.newArrayList();
115 InstructionBuilder ib;
117 MatchUtils.createTunnelIDMatch(matchBuilder, new BigInteger(segmentationId));
118 MatchUtils.createDstL3IPv4Match(matchBuilder, new Ipv4Prefix(excludedCidr));
121 ib = getMutablePipelineInstructionBuilder();
123 ib.setKey(new InstructionKey(0));
124 instructions.add(ib.build());
126 FlowBuilder flowBuilder = new FlowBuilder();
127 flowBuilder.setMatch(matchBuilder.build());
128 flowBuilder.setInstructions(isb.setInstruction(instructions).build());
130 String flowId = "OutboundNATExclusion_" + excludedCidr;
131 flowBuilder.setId(new FlowId(flowId));
132 FlowKey key = new FlowKey(new FlowId(flowId));
133 flowBuilder.setBarrier(true);
134 flowBuilder.setTableId(this.getTable());
135 flowBuilder.setKey(key);
136 flowBuilder.setPriority(1024);
137 flowBuilder.setFlowName(flowId);
138 flowBuilder.setHardTimeout(0);
139 flowBuilder.setIdleTimeout(0);
141 if (action.equals(Action.ADD)) {
142 writeFlow(flowBuilder, nodeBuilder);
144 removeFlow(flowBuilder, nodeBuilder);
147 // ToDo: WriteFlow/RemoveFlow should return something we can use to check success
148 return new Status(StatusCode.SUCCESS);