southbound/southbound-impl/src/main/java/org/opendaylight/ovsdb/southbound/OvsdbConnectionInstance.java

   1 /*
   2  * Copyright (c) 2015 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 java.util.HashMap;
  11 import java.util.List;
  12 import java.util.Map;
  13 import java.util.Set;
  14 import java.util.concurrent.ExecutionException;
  15
  16 import org.opendaylight.ovsdb.lib.EchoServiceCallbackFilters;
  17 import org.opendaylight.ovsdb.lib.LockAquisitionCallback;
  18 import org.opendaylight.ovsdb.lib.LockStolenCallback;
  19 import org.opendaylight.ovsdb.lib.MonitorCallBack;
  20 import org.opendaylight.ovsdb.lib.MonitorHandle;
  21 import org.opendaylight.ovsdb.lib.OvsdbClient;
  22 import org.opendaylight.ovsdb.lib.OvsdbConnectionInfo;
  23 import org.opendaylight.ovsdb.lib.message.MonitorRequest;
  24 import org.opendaylight.ovsdb.lib.message.MonitorRequestBuilder;
  25 import org.opendaylight.ovsdb.lib.message.MonitorSelect;
  26 import org.opendaylight.ovsdb.lib.message.TableUpdates;
  27 import org.opendaylight.ovsdb.lib.notation.Row;
  28 import org.opendaylight.ovsdb.lib.operations.Operation;
  29 import org.opendaylight.ovsdb.lib.operations.OperationResult;
  30 import org.opendaylight.ovsdb.lib.operations.TransactionBuilder;
  31 import org.opendaylight.ovsdb.lib.schema.DatabaseSchema;
  32 import org.opendaylight.ovsdb.lib.schema.GenericTableSchema;
  33 import org.opendaylight.ovsdb.lib.schema.TableSchema;
  34 import org.opendaylight.ovsdb.lib.schema.typed.TypedBaseTable;
  35 import org.opendaylight.ovsdb.southbound.ovsdb.transact.TransactCommand;
  36 import org.opendaylight.ovsdb.southbound.ovsdb.transact.TransactInvoker;
  37 import org.opendaylight.ovsdb.southbound.ovsdb.transact.TransactInvokerImpl;
  38 import org.opendaylight.ovsdb.southbound.transactions.md.TransactionInvoker;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ConnectionInfo;
  40 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  41 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  42 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
  43 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  44 import org.slf4j.Logger;
  45 import org.slf4j.LoggerFactory;
  46
  47 import com.google.common.collect.Lists;
  48 import com.google.common.util.concurrent.ListenableFuture;
  49
  50 public class OvsdbConnectionInstance implements OvsdbClient {
  51     private static final Logger LOG = LoggerFactory.getLogger(OvsdbConnectionInstance.class);
  52     private OvsdbClient client;
  53     private ConnectionInfo connectionInfo;
  54     private TransactionInvoker txInvoker;
  55     private Map<DatabaseSchema,TransactInvoker> transactInvokers;
  56     private MonitorCallBack callback;
  57     private ConnectionInfo key;
  58     private InstanceIdentifier<Node> instanceIdentifier;
  59
  60     OvsdbConnectionInstance(ConnectionInfo key,OvsdbClient client,TransactionInvoker txInvoker,
  61             InstanceIdentifier<Node> iid) {
  62         this.connectionInfo = key;
  63         this.client = client;
  64         this.txInvoker = txInvoker;
  65         this.key = key;
  66         this.instanceIdentifier = iid;
  67     }
  68
  69     public void transact(TransactCommand command) {
  70         for (TransactInvoker transactInvoker: transactInvokers.values()) {
  71             transactInvoker.invoke(command);
  72         }
  73     }
  74
  75     public void registerCallbacks() {
  76         if ( this.callback == null) {
  77             try {
  78                 List<String> databases = getDatabases().get();
  79                 this.callback = new OvsdbMonitorCallback(this,txInvoker);
  80                 for (String database : databases) {
  81                     DatabaseSchema dbSchema = getSchema(database).get();
  82                     if (dbSchema != null) {
  83                         monitorAllTables(database, dbSchema);
  84                     } else {
  85                         LOG.warn("No schema reported for database {} for key {}",database,connectionInfo);
  86                     }
  87                 }
  88             } catch (InterruptedException | ExecutionException e) {
  89                 LOG.warn("Exception attempting to registerCallbacks {}: {}",connectionInfo,e);
  90             }
  91         }
  92     }
  93
  94     public void createTransactInvokers() {
  95         if (transactInvokers == null) {
  96             try {
  97                 transactInvokers = new HashMap<DatabaseSchema,TransactInvoker>();
  98                 List<String> databases = getDatabases().get();
  99                 for (String database : databases) {
 100                     DatabaseSchema dbSchema = getSchema(database).get();
 101                     if (dbSchema != null) {
 102                         transactInvokers.put(dbSchema, new TransactInvokerImpl(this,dbSchema));
 103                     }
 104                 }
 105             } catch (InterruptedException | ExecutionException e) {
 106                 LOG.warn("Exception attempting to createTransactionInvokers {}: {}",connectionInfo,e);
 107             }
 108         }
 109     }
 110
 111
 112
 113     private void monitorAllTables(String database, DatabaseSchema dbSchema) {
 114         Set<String> tables = dbSchema.getTables();
 115         if (tables != null) {
 116             List<MonitorRequest<GenericTableSchema>> monitorRequests = Lists.newArrayList();
 117             for (String tableName : tables) {
 118                 GenericTableSchema tableSchema = dbSchema.table(tableName, GenericTableSchema.class);
 119                 Set<String> columns = tableSchema.getColumns();
 120                 MonitorRequestBuilder<GenericTableSchema> monitorBuilder = MonitorRequestBuilder.builder(tableSchema);
 121                 for (String column : columns) {
 122                     monitorBuilder.addColumn(column);
 123                 }
 124                 monitorRequests.add(monitorBuilder.with(new MonitorSelect(true, true, true, true)).build());
 125             }
 126             this.callback.update(monitor(dbSchema, monitorRequests, callback),dbSchema);
 127         } else {
 128             LOG.warn("No tables for schema {} for database {} for key {}",dbSchema,database,connectionInfo);
 129         }
 130     }
 131
 132     public ListenableFuture<List<String>> getDatabases() {
 133         return client.getDatabases();
 134     }
 135
 136     public ListenableFuture<DatabaseSchema> getSchema(String database) {
 137         return client.getSchema(database);
 138     }
 139
 140     public TransactionBuilder transactBuilder(DatabaseSchema dbSchema) {
 141         return client.transactBuilder(dbSchema);
 142     }
 143
 144     public ListenableFuture<List<OperationResult>> transact(
 145             DatabaseSchema dbSchema, List<Operation> operations) {
 146         return client.transact(dbSchema, operations);
 147     }
 148
 149     public <E extends TableSchema<E>> TableUpdates monitor(
 150             DatabaseSchema schema, List<MonitorRequest<E>> monitorRequests,
 151             MonitorCallBack callback) {
 152         return client.monitor(schema, monitorRequests, callback);
 153     }
 154
 155     public void cancelMonitor(MonitorHandle handler) {
 156         client.cancelMonitor(handler);
 157     }
 158
 159     public void lock(String lockId, LockAquisitionCallback lockedCallBack,
 160             LockStolenCallback stolenCallback) {
 161         client.lock(lockId, lockedCallBack, stolenCallback);
 162     }
 163
 164     public ListenableFuture<Boolean> steal(String lockId) {
 165         return client.steal(lockId);
 166     }
 167
 168     public ListenableFuture<Boolean> unLock(String lockId) {
 169         return client.unLock(lockId);
 170     }
 171
 172     public void startEchoService(EchoServiceCallbackFilters callbackFilters) {
 173         client.startEchoService(callbackFilters);
 174     }
 175
 176     public void stopEchoService() {
 177         client.stopEchoService();
 178     }
 179
 180     public boolean isActive() {
 181         return client.isActive();
 182     }
 183
 184     public void disconnect() {
 185         client.disconnect();
 186     }
 187
 188     public DatabaseSchema getDatabaseSchema(String dbName) {
 189         return client.getDatabaseSchema(dbName);
 190     }
 191
 192     public <T extends TypedBaseTable<?>> T createTypedRowWrapper(Class<T> klazz) {
 193         return client.createTypedRowWrapper(klazz);
 194     }
 195
 196     public <T extends TypedBaseTable<?>> T createTypedRowWrapper(
 197             DatabaseSchema dbSchema, Class<T> klazz) {
 198         return client.createTypedRowWrapper(dbSchema, klazz);
 199     }
 200
 201     public <T extends TypedBaseTable<?>> T getTypedRowWrapper(Class<T> klazz,
 202             Row<GenericTableSchema> row) {
 203         return client.getTypedRowWrapper(klazz, row);
 204     }
 205
 206     public OvsdbConnectionInfo getConnectionInfo() {
 207         return client.getConnectionInfo();
 208     }
 209
 210     public ConnectionInfo getMDConnectionInfo() {
 211         return connectionInfo;
 212     }
 213
 214     public void setMDConnectionInfo(ConnectionInfo key) {
 215         this.connectionInfo = key;
 216     }
 217
 218     public InstanceIdentifier<Node> getInstanceIdentifier() {
 219         return instanceIdentifier;
 220     }
 221
 222     public NodeKey getNodeKey() {
 223         return getInstanceIdentifier().firstKeyOf(Node.class, NodeKey.class);
 224     }
 225
 226     public NodeId getNodeId() {
 227         return getNodeKey().getNodeId();
 228     }
 229
 230     public void setInstanceIdentifier(InstanceIdentifier<Node> iid) {
 231         this.instanceIdentifier = iid;
 232     }
 233 }