aboutsummaryrefslogtreecommitdiffstats
path: root/framework/src/onos/incubator/net/src/main/java/org/onosproject/incubator/net/domain/impl/IntentDomainManager.java
blob: 33c8a3c5115754e3cd2a3f8574f2db841ddb4c59 (plain)
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
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
/*
 * 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.incubator.net.domain.impl;

import com.google.common.collect.HashMultimap;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Maps;
import com.google.common.collect.Multimap;
import com.google.common.collect.Multimaps;
import com.google.common.collect.Sets;
import org.apache.felix.scr.annotations.Activate;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Deactivate;
import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.ReferenceCardinality;
import org.apache.felix.scr.annotations.Service;
import org.onlab.graph.AdjacencyListsGraph;
import org.onlab.graph.Graph;
import org.onosproject.core.ApplicationId;
import org.onosproject.core.CoreService;
import org.onosproject.net.config.NetworkConfigEvent;
import org.onosproject.net.config.NetworkConfigListener;
import org.onosproject.net.config.NetworkConfigService;
import org.onosproject.incubator.net.domain.DomainEdge;
import org.onosproject.incubator.net.domain.DomainVertex;
import org.onosproject.incubator.net.domain.IntentDomain;
import org.onosproject.incubator.net.domain.IntentDomainAdminService;
import org.onosproject.incubator.net.domain.IntentDomainConfig;
import org.onosproject.incubator.net.domain.IntentDomainId;
import org.onosproject.incubator.net.domain.IntentDomainListener;
import org.onosproject.incubator.net.domain.IntentDomainProvider;
import org.onosproject.incubator.net.domain.IntentDomainService;
import org.onosproject.net.ConnectPoint;
import org.onosproject.net.DeviceId;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentMap;
import java.util.stream.Collectors;

/**
 * Implementation of the intent domain service.
 */
@Component(immediate = true)
@Service
public class IntentDomainManager
        implements IntentDomainService, IntentDomainAdminService {

    private final Logger log = LoggerFactory.getLogger(getClass());

    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
    protected CoreService coreService;

    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
    protected NetworkConfigService configService;

    private NetworkConfigListener cfgListener = new InternalConfigListener();

    private final ConcurrentMap<IntentDomainId, IntentDomain> domains = Maps.newConcurrentMap();

    private final Multimap<String, IntentDomainId> appToDomain =
            Multimaps.synchronizedSetMultimap(HashMultimap.<String, IntentDomainId>create());

    private Graph<DomainVertex, DomainEdge> graph;

    @Activate
    protected void activate() {
        configService.addListener(cfgListener);
        configService.getSubjects(IntentDomainId.class, IntentDomainConfig.class)
                     .forEach(this::processConfig);
        graph = buildGraph();
        log.debug("Graph: {}", graph);
        log.info("Started");
    }

    private void processConfig(IntentDomainId intentDomainId) {
        IntentDomainConfig cfg = configService.getConfig(intentDomainId,
                                                         IntentDomainConfig.class);

        domains.put(intentDomainId, createDomain(intentDomainId, cfg));
        appToDomain.put(cfg.applicationName(), intentDomainId);
    }

    private IntentDomain createDomain(IntentDomainId id, IntentDomainConfig cfg) {
        return new IntentDomain(id, cfg.domainName(), cfg.internalDevices(), cfg.edgePorts());
    }

    private Graph<DomainVertex, DomainEdge> buildGraph() {
        Set<DomainVertex> vertices = Sets.newHashSet();
        Set<DomainEdge> edges = Sets.newHashSet();

        Map<DeviceId, DomainVertex> deviceVertices = Maps.newHashMap();
        domains.forEach((id, domain) -> {
            DomainVertex domainVertex = new DomainVertex(id);

            // Add vertex for domain
            vertices.add(domainVertex);

            // Add vertices for connection devices
            domain.edgePorts().stream()
                  .map(ConnectPoint::deviceId)
                  .collect(Collectors.toSet())
                    .forEach(did -> deviceVertices.putIfAbsent(did, new DomainVertex(did)));

            // Add bi-directional edges between each domain and connection device
            domain.edgePorts().forEach(cp -> {
                DomainVertex deviceVertex = deviceVertices.get(cp.deviceId());
                edges.add(new DomainEdge(domainVertex, deviceVertex, cp));
                edges.add(new DomainEdge(deviceVertex, domainVertex, cp));
            });
        });

        vertices.addAll(deviceVertices.values());
        //FIXME verify graph integrity...
        return new AdjacencyListsGraph<>(vertices, edges);
    }

    @Deactivate
    protected void deactivate() {
        configService.removeListener(cfgListener);
        log.info("Stopped");
    }

    @Override
    public IntentDomain getDomain(IntentDomainId id) {
        return domains.get(id);
    }

    @Override
    public Set<IntentDomain> getDomains() {
        return ImmutableSet.copyOf(domains.values());
    }

    @Override
    public Set<IntentDomain> getDomains(DeviceId deviceId) {
        return domains.values().stream()
                .filter(domain ->
                                domain.internalDevices().contains(deviceId) ||
                                domain.edgePorts().stream()
                                        .map(ConnectPoint::deviceId)
                                        .anyMatch(d -> d.equals(deviceId)))
                .collect(Collectors.toSet());
    }

    @Override
    public Graph<DomainVertex, DomainEdge> getDomainGraph() {
        return graph;
    }

    @Override
    public void addListener(IntentDomainListener listener) {
        //TODO slide in AbstractListenerManager
    }

    @Override
    public void removeListener(IntentDomainListener listener) {
        //TODO slide in AbstractListenerManager
    }

    @Override
    public void registerApplication(ApplicationId applicationId, IntentDomainProvider provider) {
        appToDomain.get(applicationId.name()).forEach(d -> domains.get(d).setProvider(provider));
    }

    @Override
    public void unregisterApplication(ApplicationId applicationId) {
        appToDomain.get(applicationId.name()).forEach(d -> domains.get(d).unsetProvider());
    }

    private class InternalConfigListener implements NetworkConfigListener {
        @Override
        public void event(NetworkConfigEvent event) {
            switch (event.type()) {
                case CONFIG_ADDED:
                case CONFIG_UPDATED:
                    processConfig((IntentDomainId) event.subject());
                    graph = buildGraph();
                    log.debug("Graph: {}", graph);
                    break;

                case CONFIG_REGISTERED:
                case CONFIG_UNREGISTERED:
                case CONFIG_REMOVED:
                default:
                    //TODO
                    break;
            }
        }

        @Override
        public boolean isRelevant(NetworkConfigEvent event) {
            return event.configClass().equals(IntentDomainConfig.class);
        }
    }
}