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.OvsdbNodeCreateCommand;
  39 import org.opendaylight.ovsdb.southbound.transactions.md.TransactionInvoker;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ConnectionInfo;
  41 import org.slf4j.Logger;
  42 import org.slf4j.LoggerFactory;
  43
  44 import com.google.common.collect.Lists;
  45 import com.google.common.util.concurrent.ListenableFuture;
  46
  47 public class OvsdbConnectionInstance implements OvsdbClient {
  48     private static final Logger LOG = LoggerFactory.getLogger(OvsdbConnectionInstance.class);
  49     private OvsdbClient client;
  50     private ConnectionInfo connectionInfo;
  51     private TransactionInvoker txInvoker;
  52     private Map<DatabaseSchema,TransactInvoker> transactInvokers = new HashMap<DatabaseSchema,TransactInvoker>();
  53     private MonitorCallBack callback;
  54     private ConnectionInfo key;
  55
  56     OvsdbConnectionInstance(ConnectionInfo key,OvsdbClient client,TransactionInvoker txInvoker) {
  57         this.connectionInfo = key;
  58         this.client = client;
  59         this.txInvoker = txInvoker;
  60         this.key = key;
  61     }
  62
  63     public void transact(TransactCommand command) {
  64         for (TransactInvoker transactInvoker: transactInvokers.values()) {
  65             transactInvoker.invoke(command);
  66         }
  67     }
  68
  69     public void init() {
  70         if ( this.callback == null) {
  71             txInvoker.invoke(new OvsdbNodeCreateCommand(key, null,null));
  72             this.callback = new OvsdbMonitorCallback(connectionInfo,txInvoker);
  73             try {
  74                 List<String> databases = getDatabases().get();
  75                 if (databases != null) {
  76                     for (String database : databases) {
  77                         DatabaseSchema dbSchema = getSchema(database).get();
  78                         if (dbSchema != null) {
  79                             transactInvokers.put(dbSchema, new TransactInvokerImpl(this,dbSchema));
  80                             monitorAllTables(database, dbSchema);
  81                         } else {
  82                             LOG.warn("No schema reported for database {} for key {}",database,connectionInfo);
  83                         }
  84                     }
  85                 } else {
  86                     LOG.warn("No databases reported from {}",connectionInfo);
  87                 }
  88             } catch (InterruptedException | ExecutionException e) {
  89                 LOG.warn("Exception attempting to initialize {}: {}",connectionInfo,e);
  90             }
  91         }
  92     }
  93
  94     private void monitorAllTables(String database, DatabaseSchema dbSchema) {
  95         Set<String> tables = dbSchema.getTables();
  96         if (tables != null) {
  97             List<MonitorRequest<GenericTableSchema>> monitorRequests = Lists.newArrayList();
  98             for (String tableName : tables) {
  99                 GenericTableSchema tableSchema = dbSchema.table(tableName, GenericTableSchema.class);
 100                 Set<String> columns = tableSchema.getColumns();
 101                 MonitorRequestBuilder<GenericTableSchema> monitorBuilder = MonitorRequestBuilder.builder(tableSchema);
 102                 for (String column : columns) {
 103                     monitorBuilder.addColumn(column);
 104                 }
 105                 monitorRequests.add(monitorBuilder.with(new MonitorSelect(true, true, true, true)).build());
 106             }
 107             this.callback.update(monitor(dbSchema, monitorRequests, callback),dbSchema);
 108         } else {
 109             LOG.warn("No tables for schema {} for database {} for key {}",dbSchema,database,connectionInfo);
 110         }
 111     }
 112
 113     public ListenableFuture<List<String>> getDatabases() {
 114         return client.getDatabases();
 115     }
 116
 117     public ListenableFuture<DatabaseSchema> getSchema(String database) {
 118         return client.getSchema(database);
 119     }
 120
 121     public TransactionBuilder transactBuilder(DatabaseSchema dbSchema) {
 122         return client.transactBuilder(dbSchema);
 123     }
 124
 125     public ListenableFuture<List<OperationResult>> transact(
 126             DatabaseSchema dbSchema, List<Operation> operations) {
 127         return client.transact(dbSchema, operations);
 128     }
 129
 130     public <E extends TableSchema<E>> TableUpdates monitor(
 131             DatabaseSchema schema, List<MonitorRequest<E>> monitorRequests,
 132             MonitorCallBack callback) {
 133         return client.monitor(schema, monitorRequests, callback);
 134     }
 135
 136     public void cancelMonitor(MonitorHandle handler) {
 137         client.cancelMonitor(handler);
 138     }
 139
 140     public void lock(String lockId, LockAquisitionCallback lockedCallBack,
 141             LockStolenCallback stolenCallback) {
 142         client.lock(lockId, lockedCallBack, stolenCallback);
 143     }
 144
 145     public ListenableFuture<Boolean> steal(String lockId) {
 146         return client.steal(lockId);
 147     }
 148
 149     public ListenableFuture<Boolean> unLock(String lockId) {
 150         return client.unLock(lockId);
 151     }
 152
 153     public void startEchoService(EchoServiceCallbackFilters callbackFilters) {
 154         client.startEchoService(callbackFilters);
 155     }
 156
 157     public void stopEchoService() {
 158         client.stopEchoService();
 159     }
 160
 161     public boolean isActive() {
 162         return client.isActive();
 163     }
 164
 165     public void disconnect() {
 166         client.disconnect();
 167     }
 168
 169     public DatabaseSchema getDatabaseSchema(String dbName) {
 170         return client.getDatabaseSchema(dbName);
 171     }
 172
 173     public <T extends TypedBaseTable<?>> T createTypedRowWrapper(Class<T> klazz) {
 174         return client.createTypedRowWrapper(klazz);
 175     }
 176
 177     public <T extends TypedBaseTable<?>> T createTypedRowWrapper(
 178             DatabaseSchema dbSchema, Class<T> klazz) {
 179         return client.createTypedRowWrapper(dbSchema, klazz);
 180     }
 181
 182     public <T extends TypedBaseTable<?>> T getTypedRowWrapper(Class<T> klazz,
 183             Row<GenericTableSchema> row) {
 184         return client.getTypedRowWrapper(klazz, row);
 185     }
 186
 187     public OvsdbConnectionInfo getConnectionInfo() {
 188         return client.getConnectionInfo();
 189     }
 190
 191     public ConnectionInfo getMDConnectionInfo() {
 192         return connectionInfo;
 193     }
 194
 195     public void setMDConnectionInfo(ConnectionInfo key) {
 196         this.connectionInfo = key;
 197     }
 198 }