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authorMaros Marsalek <mmarsale@cisco.com>2016-11-10 13:31:25 +0100
committerMarek Gradzki <mgradzki@cisco.com>2016-11-19 21:29:39 +0100
commit175197da8ea43335df3daeba4c6296fcd83a057c (patch)
tree110298a990c6191933c2ad65d1a06333bab76cee /v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/notification/InterfaceChangeNotificationProducer.java
parent1813bf59fa53e8eb913d34b212d45b227dead799 (diff)
Post split cleanup
- change groupIds - change packages - update poms Change-Id: I343c5a292a67de1dd50687870ca4ab5b7276e93e Signed-off-by: Maros Marsalek <mmarsale@cisco.com> Signed-off-by: Marek Gradzki <mgradzki@cisco.com>
Diffstat (limited to 'v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/notification/InterfaceChangeNotificationProducer.java')
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diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/notification/InterfaceChangeNotificationProducer.java b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/notification/InterfaceChangeNotificationProducer.java
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+++ b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/notification/InterfaceChangeNotificationProducer.java
@@ -0,0 +1,163 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ *
+ * 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.
+ */
+
+package io.fd.hc2vpp.v3po.notification;
+
+import com.google.common.base.Optional;
+import com.google.common.collect.Lists;
+import com.google.inject.Inject;
+import com.google.inject.name.Named;
+import io.fd.honeycomb.notification.ManagedNotificationProducer;
+import io.fd.honeycomb.notification.NotificationCollector;
+import io.fd.honeycomb.translate.MappingContext;
+import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
+import io.fd.hc2vpp.common.translate.util.NamingContext;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.concurrent.CompletionStage;
+import java.util.concurrent.TimeoutException;
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+import javax.annotation.concurrent.NotThreadSafe;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.InterfaceDeleted;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.InterfaceDeletedBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.InterfaceNameOrIndex;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.InterfaceStateChange;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.InterfaceStateChangeBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.InterfaceStatus;
+import org.opendaylight.yangtools.yang.binding.Notification;
+import io.fd.vpp.jvpp.VppBaseCallException;
+import io.fd.vpp.jvpp.core.dto.SwInterfaceSetFlagsNotification;
+import io.fd.vpp.jvpp.core.dto.WantInterfaceEvents;
+import io.fd.vpp.jvpp.core.dto.WantInterfaceEventsReply;
+import io.fd.vpp.jvpp.core.future.FutureJVppCore;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Notification producer for interface events. It starts interface notification stream and for every
+ * received notification, it transforms it into its BA equivalent and pushes into HC's notification collector.
+ */
+@NotThreadSafe
+public final class InterfaceChangeNotificationProducer implements ManagedNotificationProducer, JvppReplyConsumer {
+
+ private static final Logger LOG = LoggerFactory.getLogger(InterfaceChangeNotificationProducer.class);
+
+ private final FutureJVppCore jvpp;
+ private final NamingContext interfaceContext;
+ private final MappingContext mappingContext;
+ @Nullable
+ private AutoCloseable notificationListenerReg;
+
+ @Inject
+ public InterfaceChangeNotificationProducer(@Nonnull final FutureJVppCore jvpp,
+ @Named("interface-context") @Nonnull final NamingContext interfaceContext,
+ @Named("honeycomb-context") @Nonnull final MappingContext mappingContext) {
+ this.jvpp = jvpp;
+ this.interfaceContext = interfaceContext;
+ this.mappingContext = mappingContext;
+ }
+
+ @Override
+ public void start(final NotificationCollector collector) {
+ LOG.trace("Starting interface notifications");
+ enableDisableIfcNotifications(1);
+ LOG.debug("Interface notifications started successfully");
+ notificationListenerReg = jvpp.getNotificationRegistry().registerSwInterfaceSetFlagsNotificationCallback(
+ swInterfaceSetFlagsNotification -> {
+ LOG.trace("Interface notification received: {}", swInterfaceSetFlagsNotification);
+ // TODO HONEYCOMB-166 this should be lazy
+ collector.onNotification(transformNotification(swInterfaceSetFlagsNotification));
+ }
+ );
+ }
+
+ private Notification transformNotification(final SwInterfaceSetFlagsNotification swInterfaceSetFlagsNotification) {
+ if (swInterfaceSetFlagsNotification.deleted == 1) {
+ return new InterfaceDeletedBuilder().setName(getIfcName(swInterfaceSetFlagsNotification)).build();
+ } else {
+ return new InterfaceStateChangeBuilder()
+ .setName(getIfcName(swInterfaceSetFlagsNotification))
+ .setAdminStatus(swInterfaceSetFlagsNotification.adminUpDown == 1
+ ? InterfaceStatus.Up
+ : InterfaceStatus.Down)
+ .setOperStatus(swInterfaceSetFlagsNotification.linkUpDown == 1
+ ? InterfaceStatus.Up
+ : InterfaceStatus.Down)
+ .build();
+ }
+ }
+
+ /**
+ * Get mapped name for the interface. Best effort only! The mapping might not yet be stored in context
+ * data tree (write transaction is still in progress and context changes have not been committed yet, or
+ * VPP sends the notification before it returns create request(that would store mapping)).
+ * <p/>
+ * In case mapping is not available, index is used as name.
+ */
+ private InterfaceNameOrIndex getIfcName(final SwInterfaceSetFlagsNotification swInterfaceSetFlagsNotification) {
+ final Optional<String> optionalName =
+ interfaceContext.getNameIfPresent(swInterfaceSetFlagsNotification.swIfIndex, mappingContext);
+ return optionalName.isPresent()
+ ? new InterfaceNameOrIndex(optionalName.get())
+ : new InterfaceNameOrIndex((long) swInterfaceSetFlagsNotification.swIfIndex);
+ }
+
+ @Override
+ public void stop() {
+ LOG.trace("Stopping interface notifications");
+ enableDisableIfcNotifications(0);
+ LOG.debug("Interface notifications stopped successfully");
+ try {
+ if (notificationListenerReg != null) {
+ notificationListenerReg.close();
+ }
+ } catch (Exception e) {
+ LOG.warn("Unable to properly close notification registration: {}", notificationListenerReg, e);
+ }
+ }
+
+ private void enableDisableIfcNotifications(int enableDisable) {
+ final WantInterfaceEvents wantInterfaceEvents = new WantInterfaceEvents();
+ wantInterfaceEvents.pid = 1;
+ wantInterfaceEvents.enableDisable = enableDisable;
+ final CompletionStage<WantInterfaceEventsReply> wantInterfaceEventsReplyCompletionStage;
+ try {
+ wantInterfaceEventsReplyCompletionStage = jvpp.wantInterfaceEvents(wantInterfaceEvents);
+ getReply(wantInterfaceEventsReplyCompletionStage.toCompletableFuture());
+ } catch (VppBaseCallException | TimeoutException e) {
+ LOG.warn("Unable to {} interface notifications", enableDisable == 1
+ ? "enable"
+ : "disable", e);
+ throw new IllegalStateException("Unable to control interface notifications", e);
+ }
+ }
+
+ @Nonnull
+ @Override
+ public Collection<Class<? extends Notification>> getNotificationTypes() {
+ final ArrayList<Class<? extends Notification>> classes = Lists.newArrayList();
+ classes.add(InterfaceStateChange.class);
+ classes.add(InterfaceDeleted.class);
+ return classes;
+ }
+
+ @Override
+ public void close() throws Exception {
+ LOG.trace("Closing interface notifications producer");
+ stop();
+ }
+}