Use DataTreeChangeListener instead of DataChangeListener
[ovsdb.git] / southbound / southbound-impl / src / main / java / org / opendaylight / ovsdb / southbound / OvsdbConnectionInstance.java
1 /*
2  * Copyright (c) 2015, 2016 Cisco Systems, Inc. and others.  All rights reserved.
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 package org.opendaylight.ovsdb.southbound;
9
10 import static org.opendaylight.ovsdb.lib.operations.Operations.op;
11
12 import java.util.Collection;
13 import java.util.Collections;
14 import java.util.HashMap;
15 import java.util.List;
16 import java.util.Map;
17 import java.util.Set;
18 import java.util.concurrent.ExecutionException;
19
20 import javax.annotation.Nonnull;
21
22 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
23 import org.opendaylight.controller.md.sal.common.api.clustering.Entity;
24 import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipCandidateRegistration;
25 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
26 import org.opendaylight.ovsdb.lib.EchoServiceCallbackFilters;
27 import org.opendaylight.ovsdb.lib.LockAquisitionCallback;
28 import org.opendaylight.ovsdb.lib.LockStolenCallback;
29 import org.opendaylight.ovsdb.lib.MonitorCallBack;
30 import org.opendaylight.ovsdb.lib.MonitorHandle;
31 import org.opendaylight.ovsdb.lib.OvsdbClient;
32 import org.opendaylight.ovsdb.lib.OvsdbConnectionInfo;
33 import org.opendaylight.ovsdb.lib.message.MonitorRequest;
34 import org.opendaylight.ovsdb.lib.message.MonitorRequestBuilder;
35 import org.opendaylight.ovsdb.lib.message.MonitorSelect;
36 import org.opendaylight.ovsdb.lib.message.TableUpdates;
37 import org.opendaylight.ovsdb.lib.notation.Mutator;
38 import org.opendaylight.ovsdb.lib.notation.Row;
39 import org.opendaylight.ovsdb.lib.operations.Mutate;
40 import org.opendaylight.ovsdb.lib.operations.Operation;
41 import org.opendaylight.ovsdb.lib.operations.OperationResult;
42 import org.opendaylight.ovsdb.lib.operations.TransactionBuilder;
43 import org.opendaylight.ovsdb.lib.schema.DatabaseSchema;
44 import org.opendaylight.ovsdb.lib.schema.GenericTableSchema;
45 import org.opendaylight.ovsdb.lib.schema.TableSchema;
46 import org.opendaylight.ovsdb.lib.schema.typed.TypedBaseTable;
47 import org.opendaylight.ovsdb.lib.schema.typed.TyperUtils;
48 import org.opendaylight.ovsdb.schema.openvswitch.OpenVSwitch;
49 import org.opendaylight.ovsdb.southbound.ovsdb.transact.BridgeOperationalState;
50 import org.opendaylight.ovsdb.southbound.ovsdb.transact.TransactCommand;
51 import org.opendaylight.ovsdb.southbound.ovsdb.transact.TransactInvoker;
52 import org.opendaylight.ovsdb.southbound.ovsdb.transact.TransactInvokerImpl;
53 import org.opendaylight.ovsdb.southbound.ovsdb.transact.TransactUtils;
54 import org.opendaylight.ovsdb.southbound.transactions.md.TransactionInvoker;
55 import org.opendaylight.ovsdb.utils.yang.YangUtils;
56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentation;
57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ConnectionInfo;
58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.OpenvswitchExternalIds;
59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.OpenvswitchOtherConfigs;
60 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
61 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
62 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
63 import org.opendaylight.yangtools.yang.binding.DataObject;
64 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
65 import org.slf4j.Logger;
66 import org.slf4j.LoggerFactory;
67
68 import com.google.common.collect.Lists;
69 import com.google.common.util.concurrent.ListenableFuture;
70
71 public class OvsdbConnectionInstance implements OvsdbClient {
72     private static final Logger LOG = LoggerFactory.getLogger(OvsdbConnectionInstance.class);
73     private OvsdbClient client;
74     private ConnectionInfo connectionInfo;
75     private TransactionInvoker txInvoker;
76     private Map<DatabaseSchema,TransactInvoker> transactInvokers;
77     private MonitorCallBack callback;
78     private InstanceIdentifier<Node> instanceIdentifier;
79     private volatile boolean hasDeviceOwnership = false;
80     private Entity connectedEntity;
81     private EntityOwnershipCandidateRegistration deviceOwnershipCandidateRegistration;
82     private OvsdbNodeAugmentation initialCreateData = null;
83
84     OvsdbConnectionInstance(ConnectionInfo key,OvsdbClient client,TransactionInvoker txInvoker,
85             InstanceIdentifier<Node> iid) {
86         this.connectionInfo = key;
87         this.client = client;
88         this.txInvoker = txInvoker;
89         // this.key = key;
90         this.instanceIdentifier = iid;
91     }
92
93     /**
94      * Apply the given command to the given events, based on the given bridge state.
95      *
96      * @param command The command to run.
97      * @param state The current bridge state.
98      * @param events The events to process.
99      */
100     public void transact(TransactCommand command, BridgeOperationalState state,
101                  AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> events) {
102         for (TransactInvoker transactInvoker : transactInvokers.values()) {
103             transactInvoker.invoke(command, state, events);
104         }
105     }
106
107     /**
108      * Apply the given command to the given modifications, based on the given bridge state.
109      *
110      * @param command The command to run.
111      * @param state The current bridge state.
112      * @param modifications The modifications to process.
113      */
114     public void transact(TransactCommand command, BridgeOperationalState state,
115                  Collection<DataTreeModification<Node>> modifications) {
116         for (TransactInvoker transactInvoker : transactInvokers.values()) {
117             transactInvoker.invoke(command, state, modifications);
118         }
119     }
120
121     public void registerCallbacks() {
122         if ( this.callback == null) {
123             if (this.initialCreateData != null ) {
124                 this.updateConnectionAttributes();
125             }
126
127             try {
128                 String database = SouthboundConstants.OPEN_V_SWITCH;
129                 DatabaseSchema dbSchema = getSchema(database).get();
130                 if (dbSchema != null) {
131                     LOG.info("Monitoring database: {}", database);
132                     callback = new OvsdbMonitorCallback(this, txInvoker);
133                     monitorAllTables(database, dbSchema);
134                 } else {
135                     LOG.info("No database {} found on {}", database, connectionInfo);
136                 }
137             } catch (InterruptedException | ExecutionException e) {
138                 LOG.warn("Exception attempting to registerCallbacks {}: ", connectionInfo, e);
139             }
140         }
141     }
142
143     public void createTransactInvokers() {
144         if (transactInvokers == null) {
145             try {
146                 transactInvokers = new HashMap<>();
147                 List<String> databases = getDatabases().get();
148                 for (String database : databases) {
149                     DatabaseSchema dbSchema = getSchema(database).get();
150                     if (dbSchema != null) {
151                         transactInvokers.put(dbSchema, new TransactInvokerImpl(this,dbSchema));
152                     }
153                 }
154             } catch (InterruptedException | ExecutionException e) {
155                 LOG.warn("Exception attempting to createTransactionInvokers {}", connectionInfo, e);
156             }
157         }
158     }
159
160     private void monitorAllTables(String database, DatabaseSchema dbSchema) {
161         Set<String> tables = dbSchema.getTables();
162         if (tables != null) {
163             List<MonitorRequest> monitorRequests = Lists.newArrayList();
164             for (String tableName : tables) {
165                 LOG.info("Southbound monitoring table {} in {}", tableName, dbSchema.getName());
166                 GenericTableSchema tableSchema = dbSchema.table(tableName, GenericTableSchema.class);
167                 Set<String> columns = tableSchema.getColumns();
168                 MonitorRequestBuilder<GenericTableSchema> monitorBuilder = MonitorRequestBuilder.builder(tableSchema);
169                 for (String column : columns) {
170                     monitorBuilder.addColumn(column);
171                 }
172                 monitorRequests.add(monitorBuilder.with(new MonitorSelect(true, true, true, true)).build());
173             }
174             this.callback.update(monitor(dbSchema, monitorRequests, callback),dbSchema);
175         } else {
176             LOG.warn("No tables for schema {} for database {} for key {}",dbSchema,database,connectionInfo);
177         }
178     }
179
180     private void updateConnectionAttributes() {
181         LOG.debug("Update attributes of ovsdb node ip: {} port: {}",
182                     this.initialCreateData.getConnectionInfo().getRemoteIp(),
183                     this.initialCreateData.getConnectionInfo().getRemotePort());
184         for ( Map.Entry<DatabaseSchema,TransactInvoker> entry: transactInvokers.entrySet()) {
185
186             TransactionBuilder transaction = new TransactionBuilder(this, entry.getKey());
187
188             // OpenVSwitchPart
189             OpenVSwitch ovs = TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(), OpenVSwitch.class);
190
191             List<OpenvswitchExternalIds> externalIds = this.initialCreateData.getOpenvswitchExternalIds();
192
193             stampInstanceIdentifier(transaction,this.instanceIdentifier.firstIdentifierOf(Node.class));
194
195             try {
196                 ovs.setExternalIds(
197                         YangUtils.convertYangKeyValueListToMap(externalIds, OpenvswitchExternalIds::getExternalIdKey,
198                                 OpenvswitchExternalIds::getExternalIdValue));
199                 Mutate<GenericTableSchema> mutate = op.mutate(ovs)
200                             .addMutation(ovs.getExternalIdsColumn().getSchema(),
201                                 Mutator.INSERT,
202                                 ovs.getExternalIdsColumn().getData());
203                 transaction.add(mutate);
204             } catch (NullPointerException e) {
205                 LOG.warn("Incomplete OVSDB Node external IDs", e);
206             }
207
208
209
210             List<OpenvswitchOtherConfigs> otherConfigs = this.initialCreateData.getOpenvswitchOtherConfigs();
211             if (otherConfigs != null) {
212                 try {
213                     ovs.setOtherConfig(YangUtils.convertYangKeyValueListToMap(otherConfigs,
214                             OpenvswitchOtherConfigs::getOtherConfigKey,
215                             OpenvswitchOtherConfigs::getOtherConfigValue));
216                     transaction.add(op.mutate(ovs).addMutation(ovs.getOtherConfigColumn().getSchema(),
217                         Mutator.INSERT,
218                         ovs.getOtherConfigColumn().getData()));
219                 } catch (NullPointerException e) {
220                     LOG.warn("Incomplete OVSDB Node other_config", e);
221                 }
222             }
223
224             invoke(transaction);
225         }
226     }
227
228     private void stampInstanceIdentifier(TransactionBuilder transaction,InstanceIdentifier<Node> iid) {
229         OpenVSwitch ovs = TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(), OpenVSwitch.class);
230         ovs.setExternalIds(Collections.<String,String>emptyMap());
231         TransactUtils.stampInstanceIdentifier(transaction,
232                 iid,
233                 ovs.getSchema(),
234                 ovs.getExternalIdsColumn().getSchema());
235     }
236
237     private void invoke(TransactionBuilder txBuilder) {
238         ListenableFuture<List<OperationResult>> result = txBuilder.execute();
239         LOG.debug("invoke: tb: {}", txBuilder);
240         if (txBuilder.getOperations().size() > 0) {
241             try {
242                 List<OperationResult> got = result.get();
243                 LOG.debug("OVSDB transaction result: {}", got);
244             } catch (Exception e) {
245                 LOG.warn("Transact execution exception: ", e);
246             }
247             LOG.trace("invoke exit tb: {}", txBuilder);
248         }
249     }
250
251
252     public ListenableFuture<List<String>> getDatabases() {
253         return client.getDatabases();
254     }
255
256     public ListenableFuture<DatabaseSchema> getSchema(String database) {
257         return client.getSchema(database);
258     }
259
260     public TransactionBuilder transactBuilder(DatabaseSchema dbSchema) {
261         return client.transactBuilder(dbSchema);
262     }
263
264     public ListenableFuture<List<OperationResult>> transact(
265             DatabaseSchema dbSchema, List<Operation> operations) {
266         return client.transact(dbSchema, operations);
267     }
268
269     public <E extends TableSchema<E>> TableUpdates monitor(
270             DatabaseSchema schema, List<MonitorRequest> monitorRequests,
271             MonitorCallBack callback) {
272         return client.monitor(schema, monitorRequests, callback);
273     }
274
275     public void cancelMonitor(MonitorHandle handler) {
276         client.cancelMonitor(handler);
277     }
278
279     public void lock(String lockId, LockAquisitionCallback lockedCallBack,
280             LockStolenCallback stolenCallback) {
281         client.lock(lockId, lockedCallBack, stolenCallback);
282     }
283
284     public ListenableFuture<Boolean> steal(String lockId) {
285         return client.steal(lockId);
286     }
287
288     public ListenableFuture<Boolean> unLock(String lockId) {
289         return client.unLock(lockId);
290     }
291
292     public void startEchoService(EchoServiceCallbackFilters callbackFilters) {
293         client.startEchoService(callbackFilters);
294     }
295
296     public void stopEchoService() {
297         client.stopEchoService();
298     }
299
300     public boolean isActive() {
301         return client.isActive();
302     }
303
304     public void disconnect() {
305         client.disconnect();
306     }
307
308     public DatabaseSchema getDatabaseSchema(String dbName) {
309         return client.getDatabaseSchema(dbName);
310     }
311
312     public <T extends TypedBaseTable<?>> T createTypedRowWrapper(Class<T> klazz) {
313         return client.createTypedRowWrapper(klazz);
314     }
315
316     public <T extends TypedBaseTable<?>> T createTypedRowWrapper(
317             DatabaseSchema dbSchema, Class<T> klazz) {
318         return client.createTypedRowWrapper(dbSchema, klazz);
319     }
320
321     public <T extends TypedBaseTable<?>> T getTypedRowWrapper(Class<T> klazz,
322             Row<GenericTableSchema> row) {
323         return client.getTypedRowWrapper(klazz, row);
324     }
325
326     public OvsdbConnectionInfo getConnectionInfo() {
327         return client.getConnectionInfo();
328     }
329
330     public ConnectionInfo getMDConnectionInfo() {
331         return connectionInfo;
332     }
333
334     public void setMDConnectionInfo(ConnectionInfo key) {
335         this.connectionInfo = key;
336     }
337
338     public InstanceIdentifier<Node> getInstanceIdentifier() {
339         return instanceIdentifier;
340     }
341
342     public NodeKey getNodeKey() {
343         return getInstanceIdentifier().firstKeyOf(Node.class, NodeKey.class);
344     }
345
346     public NodeId getNodeId() {
347         return getNodeKey().getNodeId();
348     }
349
350     public void setInstanceIdentifier(InstanceIdentifier<Node> iid) {
351         this.instanceIdentifier = iid;
352     }
353
354     @Override
355     public <E extends TableSchema<E>> TableUpdates monitor(
356             DatabaseSchema schema, List<MonitorRequest> monitorRequests,
357             MonitorHandle monitorHandle, MonitorCallBack callback) {
358         return null;
359     }
360
361     public Entity getConnectedEntity() {
362         return this.connectedEntity;
363     }
364
365     public void setConnectedEntity(Entity entity ) {
366         this.connectedEntity = entity;
367     }
368
369     public Boolean hasOvsdbClient(OvsdbClient otherClient) {
370         return client.equals(otherClient);
371     }
372
373     public Boolean getHasDeviceOwnership() {
374         return hasDeviceOwnership;
375     }
376
377     public void setHasDeviceOwnership(Boolean hasDeviceOwnership) {
378         if (hasDeviceOwnership != null) {
379             this.hasDeviceOwnership = hasDeviceOwnership;
380         }
381     }
382
383     public void setDeviceOwnershipCandidateRegistration(@Nonnull EntityOwnershipCandidateRegistration registration) {
384         this.deviceOwnershipCandidateRegistration = registration;
385     }
386
387     public void closeDeviceOwnershipCandidateRegistration() {
388         if (deviceOwnershipCandidateRegistration != null) {
389             this.deviceOwnershipCandidateRegistration.close();
390             setHasDeviceOwnership(Boolean.FALSE);
391         }
392     }
393
394     public OvsdbNodeAugmentation getOvsdbNodeAugmentation() {
395         return this.initialCreateData;
396     }
397     public void setOvsdbNodeAugmentation(OvsdbNodeAugmentation ovsdbNodeCreateData) {
398         this.initialCreateData = ovsdbNodeCreateData;
399     }
400
401     @Override
402     public void echo() {
403         client.echo();
404     }
405 }