1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
/*
* Copyright 2015 Open Networking Laboratory
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onosproject.vtn.table.impl;
import static com.google.common.base.Preconditions.checkNotNull;
import static org.slf4j.LoggerFactory.getLogger;
import org.onlab.osgi.DefaultServiceDirectory;
import org.onlab.osgi.ServiceDirectory;
import org.onlab.packet.Ethernet;
import org.onlab.packet.IpAddress;
import org.onlab.packet.IpPrefix;
import org.onlab.packet.MacAddress;
import org.onosproject.core.ApplicationId;
import org.onosproject.net.DeviceId;
import org.onosproject.net.flow.DefaultTrafficSelector;
import org.onosproject.net.flow.DefaultTrafficTreatment;
import org.onosproject.net.flow.TrafficSelector;
import org.onosproject.net.flow.TrafficTreatment;
import org.onosproject.net.flowobjective.DefaultForwardingObjective;
import org.onosproject.net.flowobjective.FlowObjectiveService;
import org.onosproject.net.flowobjective.ForwardingObjective;
import org.onosproject.net.flowobjective.ForwardingObjective.Flag;
import org.onosproject.net.flowobjective.Objective;
import org.onosproject.vtn.table.DnatService;
import org.onosproject.vtnrsc.SegmentationId;
import org.slf4j.Logger;
/**
* Provides implementation of DnatService.
*/
public class DnatServiceImpl implements DnatService {
private final Logger log = getLogger(getClass());
private static final int DNAT_PRIORITY = 0xffff;
private static final int PREFIX_LENGTH = 32;
private final FlowObjectiveService flowObjectiveService;
private final ApplicationId appId;
/**
* Construct a DnatServiceImpl object.
*
* @param appId the application id of vtn
*/
public DnatServiceImpl(ApplicationId appId) {
this.appId = checkNotNull(appId, "ApplicationId can not be null");
ServiceDirectory serviceDirectory = new DefaultServiceDirectory();
this.flowObjectiveService = serviceDirectory.get(FlowObjectiveService.class);
}
@Override
public void programRules(DeviceId deviceId, IpAddress dstIp,
MacAddress ethSrc, IpAddress ipDst,
SegmentationId actionVni, Objective.Operation type) {
TrafficSelector selector = DefaultTrafficSelector.builder()
.matchEthType(Ethernet.TYPE_IPV4)
.matchIPDst(IpPrefix.valueOf(dstIp, PREFIX_LENGTH)).build();
TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder();
treatment.setEthSrc(ethSrc).setIpDst(ipDst)
.setTunnelId(Long.parseLong(actionVni.segmentationId()));
ForwardingObjective.Builder objective = DefaultForwardingObjective
.builder().withTreatment(treatment.build())
.withSelector(selector).fromApp(appId).withFlag(Flag.SPECIFIC)
.withPriority(DNAT_PRIORITY);
if (type.equals(Objective.Operation.ADD)) {
log.debug("RouteRules-->ADD");
flowObjectiveService.forward(deviceId, objective.add());
} else {
log.debug("RouteRules-->REMOVE");
flowObjectiveService.forward(deviceId, objective.remove());
}
}
}
|
