KafkaApp to export BNG related events
Kafka app export PPPoE related events and BNG statistics events on the Kafka bus
Change-Id: Icea64d376abf65f3c2e38b56936b9a87d8c40ff7
diff --git a/src/main/java/org/opencord/kafka/integrations/BngStatsKafkaIntegration.java b/src/main/java/org/opencord/kafka/integrations/BngStatsKafkaIntegration.java
new file mode 100644
index 0000000..e7cffd8
--- /dev/null
+++ b/src/main/java/org/opencord/kafka/integrations/BngStatsKafkaIntegration.java
@@ -0,0 +1,179 @@
+/*
+ * Copyright 2019-present Open Networking 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.
+ */
+
+package org.opencord.kafka.integrations;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import com.google.common.collect.ImmutableMap;
+import org.apache.commons.lang3.tuple.Pair;
+import org.onosproject.net.behaviour.BngProgrammable;
+import org.onosproject.net.pi.runtime.PiCounterCellData;
+import org.opencord.bng.BngStatsEvent;
+import org.opencord.bng.BngStatsEventListener;
+import org.opencord.bng.BngStatsEventSubject;
+import org.opencord.bng.BngStatsService;
+import org.opencord.kafka.EventBusService;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Deactivate;
+import org.osgi.service.component.annotations.Reference;
+import org.osgi.service.component.annotations.ReferenceCardinality;
+import org.osgi.service.component.annotations.ReferencePolicy;
+
+import java.time.Instant;
+import java.util.Map;
+import java.util.concurrent.atomic.AtomicReference;
+
+/**
+ * Listens for statistic events from the BNG app and pushes them on a Kafka
+ * bus.
+ */
+@Component(immediate = true)
+public class BngStatsKafkaIntegration extends AbstractKafkaIntegration {
+
+ private static final String TOPIC_STATS = "bng.stats";
+ private static final String SUBSCRIBER_S_TAG = "sTag";
+ private static final String SUBSCRIBER_C_TAG = "cTag";
+
+ private static final String UP_TX_BYTES = "upTermBytes";
+ private static final String UP_TX_PACKETS = "upTermPackets";
+
+ private static final String UP_RX_BYTES = "upRxBytes";
+ private static final String UP_RX_PACKETS = "upRxPackets";
+
+ private static final String UP_DROP_BYTES = "upDropBytes";
+ private static final String UP_DROP_PACKETS = "upDropPackets";
+
+ private static final String DOWN_RX_BYTES = "downRxBytes";
+ private static final String DOWN_RX_PACKETS = "downRxPackets";
+
+ private static final String DOWN_TX_BYTES = "downTxBytes";
+ private static final String DOWN_TX_PACKETS = "downTxPackets";
+
+ private static final String DOWN_DROP_BYTES = "downDropBytes";
+ private static final String DOWN_DROP_PACKETS = "downDropPackets";
+
+ private static final String CONTROL_PACKETS = "controlPackets";
+
+ private static final ImmutableMap<BngProgrammable.BngCounterType, Pair<String, String>> MAP_COUNTERS =
+ ImmutableMap.<BngProgrammable.BngCounterType, Pair<String, String>>builder()
+ .put(BngProgrammable.BngCounterType.UPSTREAM_RX, Pair.of(UP_RX_BYTES, UP_RX_PACKETS))
+ .put(BngProgrammable.BngCounterType.UPSTREAM_TX, Pair.of(UP_TX_BYTES, UP_TX_PACKETS))
+ .put(BngProgrammable.BngCounterType.UPSTREAM_DROPPED, Pair.of(UP_DROP_BYTES, UP_DROP_PACKETS))
+
+ .put(BngProgrammable.BngCounterType.DOWNSTREAM_RX, Pair.of(DOWN_RX_BYTES, DOWN_RX_PACKETS))
+ .put(BngProgrammable.BngCounterType.DOWNSTREAM_TX, Pair.of(DOWN_TX_BYTES, DOWN_TX_PACKETS))
+ .put(BngProgrammable.BngCounterType.DOWNSTREAM_DROPPED, Pair.of(DOWN_DROP_BYTES, DOWN_DROP_PACKETS))
+ .build();
+
+ private static final String TIMESTAMP = "timestamp";
+ private static final String ATTACHMENT_TYPE = "attachmentType";
+ private static final String DEVICE_ID = "deviceId";
+ private static final String PORT_NUMBER = "portNumber";
+ private static final String MAC_ADDRESS = "macAddress";
+ private static final String IP_ADDRESS = "ipAddress";
+ private static final String ONU_SERIAL_NUMBER = "onuSerialNumber";
+ private static final String PPPOE_SESSION_ID = "pppoeSessionId";
+
+ private final BngStatsEventListener statsListener = new InternalStatsListener();
+
+ private final AtomicReference<BngStatsService> bngStatsServiceRef = new AtomicReference<>();
+
+ @Reference(cardinality = ReferenceCardinality.OPTIONAL,
+ policy = ReferencePolicy.DYNAMIC,
+ bind = "bindBngStatsService",
+ unbind = "unbindBngStatsService")
+ protected volatile BngStatsService bngStatsService;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY)
+ protected EventBusService eventBusService;
+
+
+ protected void bindBngStatsService(BngStatsService incomingService) {
+ bindAndAddListener(incomingService, bngStatsServiceRef, statsListener);
+ }
+
+ protected void unbindBngStatsService(BngStatsService outgoingService) {
+ unbindAndRemoveListener(outgoingService, bngStatsServiceRef, statsListener);
+ }
+
+ @Activate
+ public void activate() {
+ log.info("Started BngKafkaIntegration");
+ }
+
+ @Deactivate
+ public void deactivate() {
+ unbindBngStatsService(bngStatsServiceRef.get());
+ log.info("Stopped BngKafkaIntegration");
+ }
+
+ private JsonNode serializeBngStatsEvent(BngStatsEventSubject eventSubject) {
+ // Serialize stats in a JSON node
+ ObjectMapper mapper = new ObjectMapper();
+ ObjectNode attStatsNode = mapper.createObjectNode();
+
+ // Exposing statistics only for PPPoE attachment
+ var attachmentStats = eventSubject.getAttachmentStats();
+ var attachment = eventSubject.getBngAttachment();
+
+ attStatsNode.put(MAC_ADDRESS, attachment.macAddress().toString());
+ attStatsNode.put(IP_ADDRESS, attachment.ipAddress().toString());
+ attStatsNode.put(PPPOE_SESSION_ID, attachment.pppoeSessionId());
+
+ attStatsNode.put(SUBSCRIBER_S_TAG, attachment.sTag().toShort());
+ attStatsNode.put(SUBSCRIBER_C_TAG, attachment.cTag().toShort());
+
+ attStatsNode.put(ONU_SERIAL_NUMBER, attachment.onuSerial());
+ attStatsNode.put(ATTACHMENT_TYPE, attachment.type().toString());
+
+ attStatsNode.put(DEVICE_ID, attachment.oltConnectPoint().deviceId().toString());
+ attStatsNode.put(PORT_NUMBER, attachment.oltConnectPoint().port().toString());
+
+ // Add the statistics to the JSON
+ attStatsNode = createNodesStats(attachmentStats, attStatsNode);
+
+ // Control stats are different, only packets statistics
+ attStatsNode.put(CONTROL_PACKETS,
+ attachmentStats.get(BngProgrammable.BngCounterType.CONTROL_PLANE).packets());
+
+ attStatsNode.put(TIMESTAMP, Instant.now().toString());
+ return attStatsNode;
+ }
+
+ private ObjectNode createNodesStats(Map<BngProgrammable.BngCounterType,
+ PiCounterCellData> attStats, ObjectNode node) {
+ MAP_COUNTERS.forEach((counterType, pairStats) -> {
+ if (attStats.containsKey(counterType)) {
+ node.put(pairStats.getLeft(),
+ attStats.get(counterType).bytes());
+ node.put(pairStats.getRight(),
+ attStats.get(counterType).packets());
+ }
+ });
+ return node;
+ }
+
+ private class InternalStatsListener implements BngStatsEventListener {
+
+ @Override
+ public void event(BngStatsEvent event) {
+ eventBusService.send(TOPIC_STATS, serializeBngStatsEvent(event.subject()));
+ }
+ }
+}