Support of several NetConf notification streams

Support of several NetConf notification streams

Issue-ID: SDNC-1369
Change-Id: I75b9ba06aed159992444cce3e60384a1cdb91625
Signed-off-by: Ravi Pendurty <ravi.pendurty@highstreet-technologies.com>

4 files changed, 80 insertions, 13 deletions

diff --git a/sdnr/wt/netconfnode-state-service/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/netconfnodestateservice/Capabilities.java b/sdnr/wt/netconfnode-state-service/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/netconfnodestateservice/Capabilities.java
index a348b29ad..cd5339adb 100644
--- a/sdnr/wt/netconfnode-state-service/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/netconfnodestateservice/Capabilities.java
+++ b/sdnr/wt/netconfnode-state-service/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/netconfnodestateservice/Capabilities.java
@@ -164,7 +164,7 @@ public class Capabilities {
      * @param revision request or null for any revision
      * @return true if existing
      */
-    private boolean isSupportingNamespaceAndRevision(String namespace, @Nullable String revision) {
+    public boolean isSupportingNamespaceAndRevision(String namespace, @Nullable String revision) {
         LOG.trace("isSupportingNamespaceAndRevision: Model namespace {}?[revision {}]", namespace, revision);
         for (String capability : capabilities) {
             if (capability.contains(namespace) && (revision == null || capability.contains(revision))) {
diff --git a/sdnr/wt/netconfnode-state-service/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/netconfnodestateservice/NetconfAccessor.java b/sdnr/wt/netconfnode-state-service/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/netconfnodestateservice/NetconfAccessor.java
index 1161681e6..cca71457e 100644
--- a/sdnr/wt/netconfnode-state-service/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/netconfnodestateservice/NetconfAccessor.java
+++ b/sdnr/wt/netconfnode-state-service/model/src/main/java/org/onap/ccsdk/features/sdnr/wt/netconfnodestateservice/NetconfAccessor.java
@@ -18,10 +18,12 @@
 package org.onap.ccsdk.features.sdnr.wt.netconfnodestateservice;
 
 import com.google.common.util.concurrent.ListenableFuture;
+import java.util.List;
 import org.eclipse.jdt.annotation.NonNull;
 import org.opendaylight.mdsal.binding.api.DataBroker;
 import org.opendaylight.mdsal.binding.api.MountPoint;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.CreateSubscriptionOutput;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netmod.notification.rev080714.netconf.streams.Stream;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNode;
 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
 import org.opendaylight.yangtools.concepts.ListenerRegistration;
@@ -78,11 +80,34 @@ public interface NetconfAccessor {
 
     /**
      * Register notifications stream for the connection.
-     * 
+     *
      * @param streamName that should be "NETCONF" as default.
      * @return progress indication
      */
     ListenableFuture<RpcResult<CreateSubscriptionOutput>> registerNotificationsStream(String streamName);
 
+    /**
+     * Register notifications stream for the connection
+     *
+     * @param streamList that contains a list of streams to be subscribed for notifications
+     * @return progress indication
+     */
+    void registerNotificationsStream(List<Stream> streamList);
+
+    /**
+     * check if the device supports notifications.yang
+     * @return true if notifications.yang is supported
+     */
+//    boolean isNotificationsSupported();
 
+    /**
+     * check if the device supports notifications.yang
+     * @return true if nc-notifications.yang is supported
+     */
+    boolean isNCNotificationsSupported();
+    /**
+     * Get all notification streams
+     * @return stream list
+     */
+    List<Stream> getNotificationStreams();
 }
diff --git a/sdnr/wt/netconfnode-state-service/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/netconfnodestateservice/impl/NetconfAccessorImpl.java b/sdnr/wt/netconfnode-state-service/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/netconfnodestateservice/impl/NetconfAccessorImpl.java
index 275da397d..65b8e6f56 100644
--- a/sdnr/wt/netconfnode-state-service/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/netconfnodestateservice/impl/NetconfAccessorImpl.java
+++ b/sdnr/wt/netconfnode-state-service/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/netconfnodestateservice/impl/NetconfAccessorImpl.java
@@ -19,8 +19,10 @@ package org.onap.ccsdk.features.sdnr.wt.netconfnodestateservice.impl;
 
 import com.google.common.util.concurrent.ListenableFuture;
 import com.google.common.util.concurrent.SettableFuture;
+import java.util.List;
 import java.util.Optional;
 import javax.annotation.Nonnull;
+import org.onap.ccsdk.features.sdnr.wt.common.YangHelper;
 import org.eclipse.jdt.annotation.NonNull;
 import org.onap.ccsdk.features.sdnr.wt.netconfnodestateservice.Capabilities;
 import org.onap.ccsdk.features.sdnr.wt.netconfnodestateservice.NetconfAccessor;
@@ -29,11 +31,15 @@ import org.opendaylight.mdsal.binding.api.DataBroker;
 import org.opendaylight.mdsal.binding.api.MountPoint;
 import org.opendaylight.mdsal.binding.api.NotificationService;
 import org.opendaylight.mdsal.binding.api.RpcConsumerRegistry;
+import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.CreateSubscriptionInput;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.CreateSubscriptionInputBuilder;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.CreateSubscriptionOutput;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.NotificationsService;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.StreamNameType;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netmod.notification.rev080714.Netconf;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netmod.notification.rev080714.netconf.Streams;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netmod.notification.rev080714.netconf.streams.Stream;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNode;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNodeConnectionStatus.ConnectionStatus;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.network.topology.topology.topology.types.TopologyNetconf;
@@ -183,5 +189,36 @@ public class NetconfAccessorImpl implements NetconfAccessor {
         return res;
     }
 
+    @Override
+    public void registerNotificationsStream(List<Stream> streamList) {
+        for (Stream stream : streamList) {
+            log.info("Stream Name = {}, Stream Description = {}", stream.getName().getValue(), stream.getDescription());
+            if (!(stream.getName().getValue().equals(NetconfAccessor.DefaultNotificationsStream))) // Since this stream is already registered
+                registerNotificationsStream(stream.getName().getValue());
+        }
+    }
+
+    /**
+     * check if nc-notifications.yang is supported by the device
+     */
+    @Override
+    public boolean isNCNotificationsSupported() {
+        Capabilities capabilities = getCapabilites();
+        if (capabilities.isSupportingNamespace(Netconf.QNAME)) {
+            return true;
+        }
+        return false;
+    }
+
+    @Override
+    public List<Stream> getNotificationStreams() {
+        final Class<Netconf> netconfClazz = Netconf.class;
+        InstanceIdentifier<Netconf> streamsIID = InstanceIdentifier.builder(netconfClazz).build();
+
+        Netconf res = getTransactionUtils().readData(getDataBroker(), LogicalDatastoreType.OPERATIONAL, streamsIID);
+        Streams streams = res.getStreams();
+        return YangHelper.getList(streams.getStream());
+    }
+
 
 }
diff --git a/sdnr/wt/netconfnode-state-service/provider/src/test/java/org/onap/ccsdk/features/sdnr/wt/netconfnodestateservice/test/TestNetconfNodeStateService.java b/sdnr/wt/netconfnode-state-service/provider/src/test/java/org/onap/ccsdk/features/sdnr/wt/netconfnodestateservice/test/TestNetconfNodeStateService.java
index b2560a297..ad410dd44 100644
--- a/sdnr/wt/netconfnode-state-service/provider/src/test/java/org/onap/ccsdk/features/sdnr/wt/netconfnodestateservice/test/TestNetconfNodeStateService.java
+++ b/sdnr/wt/netconfnode-state-service/provider/src/test/java/org/onap/ccsdk/features/sdnr/wt/netconfnodestateservice/test/TestNetconfNodeStateService.java
@@ -1,17 +1,22 @@
 /*
- * ============LICENSE_START======================================================= ONAP : ccsdk
- * feature sdnr wt ================================================================================
- * Copyright (C) 2019 highstreet technologies GmbH Intellectual Property. All rights reserved.
- * ================================================================================ 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
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
+ * All rights reserved.
+ * ================================================================================
+ * 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
+ *     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=========================================================
+ * 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.wt.netconfnodestateservice.test;