gerrit.onap Code Review - ccsdk/features.git/blob

   1 /*
   2  * ============LICENSE_START=======================================================
   3  * ONAP : ccsdk features
   4  * ================================================================================
   5  * Copyright (C) 2019 highstreet technologies GmbH Intellectual Property.
   6  * All rights reserved.
   7  * ================================================================================
   8  * Update Copyright (C) 2021 Samsung Electronics Intellectual Property. All rights reserved.
   9  * =================================================================================================
  10  * Licensed under the Apache License, Version 2.0 (the "License");
  11  * you may not use this file except in compliance with the License.
  12  * You may obtain a copy of the License at
  13  *
  14  *     http://www.apache.org/licenses/LICENSE-2.0
  15  *
  16  * Unless required by applicable law or agreed to in writing, software
  17  * distributed under the License is distributed on an "AS IS" BASIS,
  18  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  19  * See the License for the specific language governing permissions and
  20  * limitations under the License.
  21  * ============LICENSE_END=========================================================
  22  *
  23  */
  24 package org.onap.ccsdk.features.sdnr.wt.dataprovider.impl;
  25
  26 import com.google.common.util.concurrent.ListenableFuture;
  27 import java.io.IOException;
  28 import java.io.PrintWriter;
  29 import java.io.StringWriter;
  30 import java.util.Arrays;
  31 import java.util.Map;
  32 import java.util.Optional;
  33 import java.util.concurrent.ExecutionException;
  34 import java.util.concurrent.TimeUnit;
  35 import java.util.stream.Collectors;
  36 import org.eclipse.jdt.annotation.NonNull;
  37 import org.onap.ccsdk.features.sdnr.wt.common.configuration.ConfigurationFileRepresentation;
  38 import org.onap.ccsdk.features.sdnr.wt.common.database.HtDatabaseClient;
  39 import org.onap.ccsdk.features.sdnr.wt.dataprovider.database.DatabaseDataProvider;
  40 import org.onap.ccsdk.features.sdnr.wt.dataprovider.database.elasticsearch.impl.ElasticSearchDataProvider;
  41 import org.onap.ccsdk.features.sdnr.wt.dataprovider.database.elasticsearch.impl.HtUserdataManagerImpl;
  42 import org.onap.ccsdk.features.sdnr.wt.dataprovider.database.sqldb.data.SqlDBDataProvider;
  43 import org.onap.ccsdk.features.sdnr.wt.dataprovider.http.MsServlet;
  44 import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.DataProvider;
  45 import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.HtDatabaseMaintenance;
  46 import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.HtUserdataManager;
  47 import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.IEsConfig;
  48 import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.SdnrDbType;
  49 import org.opendaylight.mdsal.binding.api.DataBroker;
  50 import org.opendaylight.mdsal.binding.api.ReadTransaction;
  51 import org.opendaylight.mdsal.binding.api.RpcProviderService;
  52 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.keystore.rev171017.Keystore;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.keystore.rev171017.keystore.entry.KeyCredential;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.keystore.rev171017.keystore.entry.KeyCredentialKey;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.CreateMaintenanceInput;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.CreateMaintenanceOutput;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.CreateMediatorServerInput;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.CreateMediatorServerOutput;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.CreateNetworkElementConnectionInput;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.CreateNetworkElementConnectionOutput;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.DataProviderService;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.DeleteMaintenanceInput;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.DeleteMaintenanceOutput;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.DeleteMediatorServerInput;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.DeleteMediatorServerOutput;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.DeleteNetworkElementConnectionInput;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.DeleteNetworkElementConnectionOutput;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadCmlogListInput;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadCmlogListOutput;
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadConnectionlogListInput;
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadConnectionlogListOutput;
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadEventlogListInput;
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadEventlogListOutput;
  75 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadFaultcurrentListInput;
  76 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadFaultcurrentListOutput;
  77 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadFaultlogListInput;
  78 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadFaultlogListOutput;
  79 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadGuiCutThroughEntryInput;
  80 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadGuiCutThroughEntryOutput;
  81 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadInventoryListInput;
  82 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadInventoryListOutput;
  83 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadMaintenanceListInput;
  84 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadMaintenanceListOutput;
  85 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadMediatorServerListInput;
  86 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadMediatorServerListOutput;
  87 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadNetworkElementConnectionListInput;
  88 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadNetworkElementConnectionListOutput;
  89 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata15mDeviceListInput;
  90 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata15mDeviceListOutput;
  91 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata15mListInput;
  92 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata15mListOutput;
  93 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata15mLtpListInput;
  94 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata15mLtpListOutput;
  95 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata24hDeviceListInput;
  96 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata24hDeviceListOutput;
  97 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata24hListInput;
  98 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata24hListOutput;
  99 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata24hLtpListInput;
 100 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadPmdata24hLtpListOutput;
 101 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadStatusInput;
 102 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadStatusOutput;
 103 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadTlsKeyEntryInput;
 104 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadTlsKeyEntryOutput;
 105 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.ReadTlsKeyEntryOutputBuilder;
 106 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.UpdateMaintenanceInput;
 107 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.UpdateMaintenanceOutput;
 108 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.UpdateMediatorServerInput;
 109 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.UpdateMediatorServerOutput;
 110 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.UpdateNetworkElementConnectionInput;
 111 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.UpdateNetworkElementConnectionOutput;
 112 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.read.tls.key.entry.output.Pagination;
 113 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.read.tls.key.entry.output.PaginationBuilder;
 114 import org.opendaylight.yangtools.concepts.Builder;
 115 import org.opendaylight.yangtools.concepts.ObjectRegistration;
 116 import org.opendaylight.yangtools.yang.binding.DataObject;
 117 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 118 import org.opendaylight.yangtools.yang.common.RpcError.ErrorType;
 119 import org.opendaylight.yangtools.yang.common.RpcResult;
 120 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
 121 import org.opendaylight.yangtools.yang.common.Uint32;
 122 import org.opendaylight.yangtools.yang.common.Uint64;
 123 import org.slf4j.Logger;
 124 import org.slf4j.LoggerFactory;
 125
 126 public class DataProviderServiceImpl implements DataProviderService, AutoCloseable {
 127
 128     private static final Logger LOG = LoggerFactory.getLogger(DataProviderServiceImpl.class);
 129     public static final String CONFIGURATIONFILE = "etc/dataprovider.properties";
 130     private static final long DATABASE_TIMEOUT_MS = 120 * 1000L;
 131     private static final @NonNull InstanceIdentifier<Keystore> KEYSTORE_IIF = InstanceIdentifier.create(Keystore.class);
 132     private static final Pagination EMPTY_PAGINATION = new PaginationBuilder().setSize(Uint32.valueOf(20))
 133             .setTotal(Uint64.valueOf(0)).setPage(Uint64.valueOf(1)).build();
 134     private static final long DEFAULT_PAGESIZE = 20;
 135     private static final long DEFAULT_PAGE = 1;
 136
 137     private final ObjectRegistration<@NonNull DataProviderServiceImpl> rpcReg;
 138     private final DatabaseDataProvider dataProvider;
 139     private final ConfigurationFileRepresentation configuration;
 140     private final DataProviderConfig dbConfig;
 141     private final HtUserdataManager dbUserManager;
 142     private final DataBroker dataBroker;
 143     private final MsServlet mediatorServerServlet;
 144
 145     public DataProviderServiceImpl(final RpcProviderService rpcProviderService, MsServlet mediatorServerServlet,
 146             DataBroker dataBroker) throws Exception {
 147         this.configuration = new ConfigurationFileRepresentation(CONFIGURATIONFILE);
 148         this.dbConfig = new DataProviderConfig(configuration);
 149         this.dataBroker = dataBroker;
 150         this.mediatorServerServlet = mediatorServerServlet;
 151         if (this.dbConfig.getDbType() == SdnrDbType.ELASTICSEARCH) {
 152             this.dataProvider = new ElasticSearchDataProvider(this.dbConfig.getEsConfig());
 153          } else {
 154             this.dataProvider = new SqlDBDataProvider(this.dbConfig.getMariadbConfig());
 155         }
 156         this.dbUserManager = this.dataProvider.getUserManager();
 157         this.dataProvider.waitForYellowDatabaseStatus(DATABASE_TIMEOUT_MS, TimeUnit.MILLISECONDS);
 158         mediatorServerServlet.setDataProvider(this.dataProvider.getHtDatabaseMediatorServer());
 159         // Register ourselves as the REST API RPC implementation
 160         LOG.info("Register RPC Service {}", DataProviderServiceImpl.class.getSimpleName());
 161         this.rpcReg = rpcProviderService.registerRpcImplementation(DataProviderService.class, this);
 162     }
 163
 164     private void sendResyncCallbackToApiGateway() {
 165         this.mediatorServerServlet.triggerReloadSync();
 166     }
 167
 168     /**
 169      * @return dataProvider
 170      */
 171     public DataProvider getDataProvider() {
 172         return dataProvider.getDataProvider();
 173     }
 174
 175     public HtDatabaseClient getRawClient() {
 176         return this.dataProvider.getRawClient();
 177     }
 178
 179     /**
 180      * @return data provider for Maintenance()
 181      */
 182     public HtDatabaseMaintenance getHtDatabaseMaintenance() {
 183         return dataProvider.getHtDatabaseMaintenance();
 184     }
 185
 186     /**
 187      * @return configuration object
 188      */
 189     public IEsConfig getEsConfig() {
 190         return dbConfig.getEsConfig();
 191     }
 192
 193
 194     @Override
 195     public void close() throws Exception {
 196         LOG.info("Close RPC Service");
 197         if (rpcReg != null) {
 198             rpcReg.close();
 199         }
 200     }
 201
 202     @Override
 203     public ListenableFuture<RpcResult<ReadFaultcurrentListOutput>> readFaultcurrentList(
 204             ReadFaultcurrentListInput input) {
 205         LOG.debug("RPC Request: readFaultCurrentList with input {}", input);
 206         RpcResultBuilder<ReadFaultcurrentListOutput> result =
 207                 read(() -> DataProviderServiceImpl.this.dataProvider.readFaultCurrentList(input));
 208         return result.buildFuture();
 209     }
 210
 211     @Override
 212     public ListenableFuture<RpcResult<ReadFaultlogListOutput>> readFaultlogList(ReadFaultlogListInput input) {
 213         LOG.debug("RPC Request: readFaultlogList with input {}", input);
 214         RpcResultBuilder<ReadFaultlogListOutput> result =
 215                 read(() -> DataProviderServiceImpl.this.dataProvider.readFaultLogList(input));
 216         return result.buildFuture();
 217     }
 218
 219     @Override
 220     public ListenableFuture<RpcResult<ReadCmlogListOutput>> readCmlogList(ReadCmlogListInput input) {
 221         LOG.debug("RPC Request: readCMlogList with input {}", input);
 222         RpcResultBuilder<ReadCmlogListOutput> result =
 223                 read(() -> DataProviderServiceImpl.this.dataProvider.readCMLogList(input));
 224         return result.buildFuture();
 225     }
 226
 227     @Override
 228     public ListenableFuture<RpcResult<ReadMaintenanceListOutput>> readMaintenanceList(ReadMaintenanceListInput input) {
 229         LOG.debug("RPC Request: readMaintenanceList with input {}", input);
 230         RpcResultBuilder<ReadMaintenanceListOutput> result =
 231                 read(() -> DataProviderServiceImpl.this.dataProvider.readMaintenanceList(input));
 232         return result.buildFuture();
 233     }
 234
 235     @Override
 236     public ListenableFuture<RpcResult<ReadMediatorServerListOutput>> readMediatorServerList(
 237             ReadMediatorServerListInput input) {
 238         LOG.debug("RPC Request: readMediatorServerList with input {}", input);
 239         RpcResultBuilder<ReadMediatorServerListOutput> result =
 240                 read(() -> DataProviderServiceImpl.this.dataProvider.readMediatorServerList(input));
 241         return result.buildFuture();
 242     }
 243
 244     @Override
 245     public ListenableFuture<RpcResult<ReadNetworkElementConnectionListOutput>> readNetworkElementConnectionList(
 246             ReadNetworkElementConnectionListInput input) {
 247         LOG.debug("RPC Request: readNetworkElementConnectionList with input {}", input);
 248         RpcResultBuilder<ReadNetworkElementConnectionListOutput> result =
 249                 read(() -> DataProviderServiceImpl.this.dataProvider.readNetworkElementConnectionList(input));
 250         return result.buildFuture();
 251
 252     }
 253
 254     @Override
 255     public ListenableFuture<RpcResult<ReadPmdata15mListOutput>> readPmdata15mList(ReadPmdata15mListInput input) {
 256         LOG.debug("RPC Request: readPmdata15mList with input {}", input);
 257         RpcResultBuilder<ReadPmdata15mListOutput> result =
 258                 read(() -> DataProviderServiceImpl.this.dataProvider.readPmdata15mList(input));
 259         return result.buildFuture();
 260
 261     }
 262
 263     @Override
 264     public ListenableFuture<RpcResult<ReadPmdata24hListOutput>> readPmdata24hList(ReadPmdata24hListInput input) {
 265         LOG.debug("RPC Request: readPmdata24hList with input {}", input);
 266         RpcResultBuilder<ReadPmdata24hListOutput> result =
 267                 read(() -> DataProviderServiceImpl.this.dataProvider.readPmdata24hList(input));
 268         return result.buildFuture();
 269
 270     }
 271
 272     @Override
 273     public ListenableFuture<RpcResult<ReadStatusOutput>> readStatus(ReadStatusInput input) {
 274         LOG.debug("RPC Request: readStatusEntityList with input {}", input);
 275         RpcResultBuilder<ReadStatusOutput> result = read(() -> DataProviderServiceImpl.this.dataProvider.readStatus());
 276         return result.buildFuture();
 277
 278     }
 279
 280     @Override
 281     public ListenableFuture<RpcResult<ReadInventoryListOutput>> readInventoryList(ReadInventoryListInput input) {
 282         LOG.debug("RPC Request: readInventoryList with input {}", input);
 283         RpcResultBuilder<ReadInventoryListOutput> result =
 284                 read(() -> DataProviderServiceImpl.this.dataProvider.readInventoryList(input));
 285         return result.buildFuture();
 286     }
 287
 288     @Override
 289     public ListenableFuture<RpcResult<ReadPmdata15mLtpListOutput>> readPmdata15mLtpList(
 290             ReadPmdata15mLtpListInput input) {
 291         LOG.debug("RPC Request: readPmdata15mLtpList with input {}", input);
 292         RpcResultBuilder<ReadPmdata15mLtpListOutput> result =
 293                 read(() -> DataProviderServiceImpl.this.dataProvider.readPmdata15mLtpList(input));
 294         return result.buildFuture();
 295     }
 296
 297     @Override
 298     public ListenableFuture<RpcResult<ReadPmdata15mDeviceListOutput>> readPmdata15mDeviceList(
 299             ReadPmdata15mDeviceListInput input) {
 300         LOG.debug("RPC Request: readPmdata15mDeviceList with input {}", input);
 301         RpcResultBuilder<ReadPmdata15mDeviceListOutput> result =
 302                 read(() -> DataProviderServiceImpl.this.dataProvider.readPmdata15mDeviceList(input));
 303         return result.buildFuture();
 304     }
 305
 306     @Override
 307     public ListenableFuture<RpcResult<ReadPmdata24hLtpListOutput>> readPmdata24hLtpList(
 308             ReadPmdata24hLtpListInput input) {
 309         LOG.debug("RPC Request: readPmdata24hLtpList with input {}", input);
 310         RpcResultBuilder<ReadPmdata24hLtpListOutput> result =
 311                 read(() -> DataProviderServiceImpl.this.dataProvider.readPmdata24hLtpList(input));
 312         return result.buildFuture();
 313     }
 314
 315     @Override
 316     public ListenableFuture<RpcResult<ReadPmdata24hDeviceListOutput>> readPmdata24hDeviceList(
 317             ReadPmdata24hDeviceListInput input) {
 318         LOG.debug("RPC Request: readPmdata24hDeviceList with input {}", input);
 319         RpcResultBuilder<ReadPmdata24hDeviceListOutput> result =
 320                 read(() -> DataProviderServiceImpl.this.dataProvider.readPmdata24hDeviceList(input));
 321         return result.buildFuture();
 322     }
 323
 324     @Override
 325     public ListenableFuture<RpcResult<ReadConnectionlogListOutput>> readConnectionlogList(
 326             ReadConnectionlogListInput input) {
 327         LOG.debug("RPC Request: readConnectionlogList with input {}", input);
 328         RpcResultBuilder<ReadConnectionlogListOutput> result =
 329                 read(() -> DataProviderServiceImpl.this.dataProvider.readConnectionlogList(input));
 330         return result.buildFuture();
 331     }
 332
 333     @Override
 334     public ListenableFuture<RpcResult<CreateNetworkElementConnectionOutput>> createNetworkElementConnection(
 335             CreateNetworkElementConnectionInput input) {
 336         LOG.debug("RPC Request: createNetworkElementConnection with input {}", input);
 337         RpcResultBuilder<CreateNetworkElementConnectionOutput> result =
 338                 read(() -> DataProviderServiceImpl.this.dataProvider.createNetworkElementConnection(input));
 339         return result.buildFuture();
 340     }
 341
 342     @Override
 343     public ListenableFuture<RpcResult<UpdateNetworkElementConnectionOutput>> updateNetworkElementConnection(
 344             UpdateNetworkElementConnectionInput input) {
 345         LOG.debug("RPC Request: updateNetworkElementConnection with input {}", input);
 346         RpcResultBuilder<UpdateNetworkElementConnectionOutput> result =
 347                 read(() -> DataProviderServiceImpl.this.dataProvider.updateNetworkElementConnection(input));
 348         return result.buildFuture();
 349     }
 350
 351     @Override
 352     public ListenableFuture<RpcResult<DeleteNetworkElementConnectionOutput>> deleteNetworkElementConnection(
 353             DeleteNetworkElementConnectionInput input) {
 354         LOG.debug("RPC Request: deleteNetworkElementConnection with input {}", input);
 355         RpcResultBuilder<DeleteNetworkElementConnectionOutput> result =
 356                 read(() -> DataProviderServiceImpl.this.dataProvider.deleteNetworkElementConnection(input));
 357         return result.buildFuture();
 358     }
 359
 360     @Override
 361     public ListenableFuture<RpcResult<DeleteMediatorServerOutput>> deleteMediatorServer(
 362             DeleteMediatorServerInput input) {
 363         LOG.debug("RPC Request: deleteMediatorServer with input {}", input);
 364         RpcResultBuilder<DeleteMediatorServerOutput> result =
 365                 read(() -> DataProviderServiceImpl.this.dataProvider.deleteMediatorServer(input));
 366         this.sendResyncCallbackToApiGateway();
 367         return result.buildFuture();
 368     }
 369
 370     @Override
 371     public ListenableFuture<RpcResult<CreateMediatorServerOutput>> createMediatorServer(
 372             CreateMediatorServerInput input) {
 373         LOG.debug("RPC Request: createMediatorServer with input {}", input);
 374         RpcResultBuilder<CreateMediatorServerOutput> result =
 375                 read(() -> DataProviderServiceImpl.this.dataProvider.createMediatorServer(input));
 376         this.sendResyncCallbackToApiGateway();
 377         return result.buildFuture();
 378     }
 379
 380     @Override
 381     public ListenableFuture<RpcResult<CreateMaintenanceOutput>> createMaintenance(CreateMaintenanceInput input) {
 382         LOG.debug("RPC Request: createMaintenance with input {}", input);
 383         RpcResultBuilder<CreateMaintenanceOutput> result =
 384                 read(() -> DataProviderServiceImpl.this.dataProvider.createMaintenance(input));
 385         return result.buildFuture();
 386     }
 387
 388     @Override
 389     public ListenableFuture<RpcResult<DeleteMaintenanceOutput>> deleteMaintenance(DeleteMaintenanceInput input) {
 390         LOG.debug("RPC Request: deleteMaintenance with input {}", input);
 391         RpcResultBuilder<DeleteMaintenanceOutput> result =
 392                 read(() -> DataProviderServiceImpl.this.dataProvider.deleteMaintenance(input));
 393         return result.buildFuture();
 394     }
 395
 396     @Override
 397     public ListenableFuture<RpcResult<UpdateMediatorServerOutput>> updateMediatorServer(
 398             UpdateMediatorServerInput input) {
 399         LOG.debug("RPC Request: updateMediatorServer with input {}", input);
 400         RpcResultBuilder<UpdateMediatorServerOutput> result =
 401                 read(() -> DataProviderServiceImpl.this.dataProvider.updateMediatorServer(input));
 402         this.sendResyncCallbackToApiGateway();
 403         return result.buildFuture();
 404     }
 405
 406     @Override
 407     public ListenableFuture<RpcResult<UpdateMaintenanceOutput>> updateMaintenance(UpdateMaintenanceInput input) {
 408         LOG.debug("RPC Request: updateMaintenance with input {}", input);
 409         RpcResultBuilder<UpdateMaintenanceOutput> result =
 410                 read(() -> DataProviderServiceImpl.this.dataProvider.updateMaintenance(input));
 411         return result.buildFuture();
 412     }
 413
 414     @Override
 415     public ListenableFuture<RpcResult<ReadEventlogListOutput>> readEventlogList(ReadEventlogListInput input) {
 416         LOG.debug("RPC Request: readEventlogList with input {}", input);
 417         RpcResultBuilder<ReadEventlogListOutput> result =
 418                 read(() -> DataProviderServiceImpl.this.dataProvider.readEventlogList(input));
 419         return result.buildFuture();
 420     }
 421
 422     @Override
 423     public ListenableFuture<RpcResult<ReadGuiCutThroughEntryOutput>> readGuiCutThroughEntry(
 424             ReadGuiCutThroughEntryInput input) {
 425         LOG.debug("RPC Request: getGuiCutThroughEntry with input {}", input);
 426         RpcResultBuilder<ReadGuiCutThroughEntryOutput> result =
 427                 read(() -> DataProviderServiceImpl.this.dataProvider.readGuiCutThroughEntry(input));
 428         return result.buildFuture();
 429     }
 430
 431     @Override
 432     public ListenableFuture<RpcResult<ReadTlsKeyEntryOutput>> readTlsKeyEntry(ReadTlsKeyEntryInput input) {
 433         LOG.debug("RPC Request: readTlsKeyEntry with input {}", input);
 434         RpcResultBuilder<ReadTlsKeyEntryOutput> result = read(() -> DataProviderServiceImpl.this.readTlsKeys(input));
 435         return result.buildFuture();
 436     }
 437
 438     // -- private classes and functions
 439
 440     private ReadTlsKeyEntryOutputBuilder readTlsKeys(ReadTlsKeyEntryInput input) {
 441         Optional<Keystore> result = Optional.empty();
 442         // The implicite close is not handled correctly by underlaying opendaylight netconf service
 443         ReadTransaction transaction = this.dataBroker.newReadOnlyTransaction();
 444         try {
 445             result = transaction.read(LogicalDatastoreType.CONFIGURATION, KEYSTORE_IIF).get();
 446         } catch (ExecutionException e) {
 447             LOG.warn("problem reading netconf-keystore: ", e);
 448
 449         } catch (InterruptedException e) {
 450             LOG.warn("Interrupted!", e);
 451             // Restore interrupted state...
 452             Thread.currentThread().interrupt();
 453         }
 454         ReadTlsKeyEntryOutputBuilder output = new ReadTlsKeyEntryOutputBuilder();
 455         if (result.isEmpty()) {
 456             return output.setData(Arrays.asList()).setPagination(EMPTY_PAGINATION);
 457         }
 458         Map<KeyCredentialKey, KeyCredential> keyCredential = result.get().getKeyCredential();
 459         if (keyCredential == null) {
 460             return output.setData(Arrays.asList()).setPagination(EMPTY_PAGINATION);
 461         }
 462         org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.entity.input.Pagination pagination =
 463                 input.getPagination();
 464         long pageNum = pagination == null ? DEFAULT_PAGE
 465                 : pagination.getPage() == null ? DEFAULT_PAGE : pagination.getPage().longValue();
 466         long size = pagination == null ? DEFAULT_PAGESIZE
 467                 : pagination.getSize() == null ? DEFAULT_PAGESIZE : pagination.getSize().longValue();
 468         long from = pageNum > 0 ? (pageNum - 1) * size : 0;
 469         output.setData(keyCredential.keySet().stream().skip(from).limit(size).map(e -> e.getKeyId())
 470                 .collect(Collectors.toList()));
 471         output.setPagination(new PaginationBuilder().setPage(Uint64.valueOf(pageNum))
 472                 .setSize(Uint32.valueOf(output.getData().size())).setTotal(Uint64.valueOf(keyCredential.size()))
 473                 .build());
 474         return output;
 475     }
 476
 477     private static String assembleExceptionMessage(Exception e) {
 478         StringWriter sw = new StringWriter();
 479         PrintWriter pw = new PrintWriter(sw);
 480         e.printStackTrace(pw);
 481
 482         StringBuffer buf = new StringBuffer();
 483         buf.append("Exception: ");
 484         buf.append(sw.toString());
 485         return buf.toString();
 486     }
 487
 488     private interface GetEntityInput<O extends DataObject> {
 489         Builder<O> get() throws IOException;
 490     }
 491
 492     private static <O extends DataObject, I extends DataObject> RpcResultBuilder<O> read(
 493             GetEntityInput<O> inputgetter) {
 494         RpcResultBuilder<O> result;
 495         try {
 496             Builder<O> outputBuilder = inputgetter.get();
 497             result = RpcResultBuilder.success(outputBuilder);
 498         } catch (Exception e) {
 499             LOG.info("Exception", e);
 500             result = RpcResultBuilder.failed();
 501             result.withError(ErrorType.APPLICATION, assembleExceptionMessage(e));
 502         }
 503         return result;
 504     }
 505
 506     public HtUserdataManager getHtDatabaseUserManager() {
 507         return this.dbUserManager;
 508     }
 509
 510
 511
 512 }