| /* |
| * Copyright 2018-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.ArrayNode; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import org.apache.felix.scr.annotations.Activate; |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Deactivate; |
| import org.apache.felix.scr.annotations.Reference; |
| import org.apache.felix.scr.annotations.ReferenceCardinality; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.device.DeviceEvent; |
| import org.onosproject.net.device.DeviceListener; |
| import org.onosproject.net.device.DeviceService; |
| import org.onosproject.net.device.PortStatistics; |
| import org.opencord.kafka.EventBusService; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.time.Instant; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| |
| /** |
| * Listens for access device events and pushes them on a Kafka bus. |
| */ |
| @Component(immediate = true) |
| public class DeviceKafkaIntegration { |
| |
| public Logger log = LoggerFactory.getLogger(getClass()); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected EventBusService eventBusService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected DeviceService deviceService; |
| |
| private final DeviceListener listener = new InternalDeviceListener(); |
| |
| private static final String TOPIC = "onos.kpis"; |
| |
| // event fields |
| private static final String TIMESTAMP = "timestamp"; |
| private static final String DEVICE_ID = "deviceId"; |
| private static final String PORTS = "ports"; |
| private static final String PORT_ID = "portId"; |
| private static final String PKT_RX = "pktRx"; |
| private static final String PKT_TX = "pktTx"; |
| private static final String BYTES_RX = "bytesRx"; |
| private static final String BYTES_TX = "bytesTx"; |
| private static final String PKT_RX_DROP = "pktRxDrp"; |
| private static final String PKT_TX_DROP = "pktTxDrp"; |
| |
| |
| @Activate |
| public void activate() { |
| deviceService.addListener(listener); |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| deviceService.removeListener(listener); |
| log.info("Stopped"); |
| } |
| |
| private void handle(List<PortStatistics> stats, DeviceId deviceId) { |
| eventBusService.send(TOPIC, serialize(stats, deviceId)); |
| } |
| |
| private JsonNode serialize(List<PortStatistics> stats, DeviceId deviceId) { |
| |
| ObjectMapper mapper = new ObjectMapper(); |
| ObjectNode kpis = mapper.createObjectNode(); |
| ArrayNode ports = mapper.createArrayNode(); |
| |
| for (Iterator<PortStatistics> i = stats.iterator(); i.hasNext();) { |
| PortStatistics stat = i.next(); |
| |
| ObjectNode port = mapper.createObjectNode(); |
| port.put(PORT_ID, stat.portNumber().toString()); |
| port.put(PKT_RX, stat.packetsReceived()); |
| port.put(PKT_TX, stat.packetsSent()); |
| port.put(BYTES_RX, stat.bytesReceived()); |
| port.put(BYTES_TX, stat.bytesSent()); |
| port.put(PKT_RX_DROP, stat.packetsRxDropped()); |
| port.put(PKT_TX_DROP, stat.packetsTxDropped()); |
| |
| ports.add(port); |
| } |
| |
| kpis.put(TIMESTAMP, Instant.now().toString()); |
| kpis.put(PORTS, ports); |
| kpis.put(DEVICE_ID, deviceId.toString()); |
| |
| return kpis; |
| } |
| |
| private class InternalDeviceListener implements |
| DeviceListener { |
| |
| @Override |
| public void event(DeviceEvent deviceEvent) { |
| |
| if (deviceEvent.subject().manufacturer().contains("VOLTHA")) { |
| // TODO check the NNI port instead |
| return; |
| } |
| |
| log.trace("Got DeviceEvent: " + deviceEvent.type()); |
| switch (deviceEvent.type()) { |
| case PORT_STATS_UPDATED: |
| final DeviceId deviceId = deviceEvent.subject().id(); |
| final List<PortStatistics> stats = deviceService.getPortStatistics(deviceId); |
| handle(stats, deviceId); |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| } |