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/*-
* ============LICENSE_START=======================================================
* openECOMP : SDN-C
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights
* reserved.
* Modifications Copyright (C) 2020 Nordix Foundation.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.ccsdk.features.sdnr.northbound.cmnotify;
import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;
import java.util.Properties;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import org.onap.ccsdk.sli.core.sli.provider.MdsalHelper;
import org.opendaylight.mdsal.binding.api.DataBroker;
import org.opendaylight.mdsal.binding.api.NotificationPublishService;
import org.opendaylight.mdsal.binding.api.RpcProviderService;
import org.opendaylight.yang.gen.v1.org.onap.ccsdk.rev200224.CMNOTIFYAPIService;
import org.opendaylight.yang.gen.v1.org.onap.ccsdk.rev200224.NbrlistChangeNotificationInput;
import org.opendaylight.yang.gen.v1.org.onap.ccsdk.rev200224.NbrlistChangeNotificationInputBuilder;
import org.opendaylight.yang.gen.v1.org.onap.ccsdk.rev200224.NbrlistChangeNotificationOutput;
import org.opendaylight.yang.gen.v1.org.onap.ccsdk.rev200224.NbrlistChangeNotificationOutputBuilder;
import org.opendaylight.yangtools.concepts.Builder;
import org.opendaylight.yangtools.concepts.ObjectRegistration;
import org.opendaylight.yangtools.yang.common.RpcResult;
import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Defines a base implementation for your provider. This class extends from a
* helper class which provides storage for the most commonly used components of
* the MD-SAL. Additionally the base class provides some basic logging and
* initialization / clean up methods.
*
*/
public class CMNotifyProvider implements AutoCloseable, CMNOTIFYAPIService {
private static final Logger LOG = LoggerFactory.getLogger(CMNotifyProvider.class);
private static final String APPLICATION_NAME = "CMNotify-api";
private static final String NBRLIST_CHANGE_NOTIFICATION = "nbrlist-change-notification";
private final ExecutorService executor;
protected DataBroker dataBroker;
protected RpcProviderService rpcProviderRegistry;
protected NotificationPublishService notificationService;
private ObjectRegistration<CMNotifyProvider> rpcReg;
private CMNotifyClient CMNotifyClient;
public CMNotifyProvider() {
LOG.info("Creating provider for {}", APPLICATION_NAME);
executor = Executors.newFixedThreadPool(1);
this.dataBroker = null;
this.notificationService = null;
this.rpcProviderRegistry = null;
this.CMNotifyClient = null;
}
public void setDataBroker(DataBroker dataBroker) {
this.dataBroker = dataBroker;
}
public void setRpcProviderRegistry(RpcProviderService rpcProviderRegistry) {
this.rpcProviderRegistry = rpcProviderRegistry;
}
public void setNotificationPublishService(NotificationPublishService notificationPublishService) {
this.notificationService = notificationPublishService;
}
public void setClient(CMNotifyClient client) {
this.CMNotifyClient = client;
}
public void init() {
LOG.info("Initializing provider for {}", APPLICATION_NAME);
rpcReg = rpcProviderRegistry.registerRpcImplementation(CMNOTIFYAPIService.class, this);
LOG.info("Initialization complete for {}", APPLICATION_NAME);
}
@Override
public void close() throws Exception {
LOG.info("Closing provider for {}", APPLICATION_NAME);
executor.shutdown();
if (rpcReg != null)
rpcReg.close();
LOG.info("Successfully closed provider for {}", APPLICATION_NAME);
}
// RPC nbrlist-change-notification
@Override
public ListenableFuture<RpcResult<NbrlistChangeNotificationOutput>> nbrlistChangeNotification(
NbrlistChangeNotificationInput input) {
final String svcOperation = "nbrlist-change-notification";
Properties parms = new Properties();
NbrlistChangeNotificationOutputBuilder serviceDataBuilder = (NbrlistChangeNotificationOutputBuilder) getServiceData(
NBRLIST_CHANGE_NOTIFICATION);
LOG.info("Reached RPC nbrlist-change-notification");
LOG.info(svcOperation + " called.");
if (input == null) {
LOG.debug("exiting " + svcOperation + " because of invalid input");
serviceDataBuilder.setResponseCode("Input is null");
RpcResult<NbrlistChangeNotificationOutput> rpcResult = RpcResultBuilder
.<NbrlistChangeNotificationOutput>status(true).withResult(serviceDataBuilder.build()).build();
return Futures.immediateFuture(rpcResult);
}
// add input to parms
LOG.info("Adding INPUT data for " + svcOperation + " input: " + input);
NbrlistChangeNotificationInputBuilder inputBuilder = new NbrlistChangeNotificationInputBuilder(input);
MdsalHelper.toProperties(parms, inputBuilder.build());
LOG.info("Printing SLI parameters to be passed");
// iterate properties file to get key-value pairs
for (String key : parms.stringPropertyNames()) {
String value = parms.getProperty(key);
LOG.info("The SLI parameter in " + key + " is: " + value);
}
// Call SLI sync method
try {
if (CMNotifyClient.hasGraph("CM-NOTIFY-API", svcOperation, null, "sync")) {
LOG.info("CMNotifyClient has a Directed Graph for '" + svcOperation + "'");
try {
CMNotifyClient.execute("CM-NOTIFY-API", svcOperation, null, "sync", serviceDataBuilder, parms);
} catch (Exception e) {
LOG.error("Caught exception executing service logic for " + svcOperation, e);
serviceDataBuilder.setResponseCode("500");
}
} else {
LOG.error("No service logic active for CMNotify: '" + svcOperation + "'");
serviceDataBuilder.setResponseCode("503");
}
} catch (Exception e) {
LOG.error("Caught exception looking for service logic", e);
serviceDataBuilder.setResponseCode("500");
}
String errorCode = serviceDataBuilder.getResponseCode();
if (!("0".equals(errorCode) || "200".equals(errorCode))) {
LOG.error("Returned FAILED for " + svcOperation + " error code: '" + errorCode + "'");
} else {
LOG.info("Returned SUCCESS for " + svcOperation + " ");
serviceDataBuilder.setResponseMessage("CM Notification Executed and RuntimeDB Updated. ");
}
RpcResult<NbrlistChangeNotificationOutput> rpcResult = RpcResultBuilder
.<NbrlistChangeNotificationOutput>status(true).withResult(serviceDataBuilder.build()).build();
LOG.info("Successful exit from nbrlist-change-notification ");
return Futures.immediateFuture(rpcResult);
}
protected Builder<?> getServiceData(String svcOperation) {
switch (svcOperation) {
case NBRLIST_CHANGE_NOTIFICATION:
return new NbrlistChangeNotificationOutputBuilder();
}
return null;
}
}
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