Translate Polatis NETCONF notifications
Change-Id: I856b90b984dead5680c2ad757473cd3fdeeacab6
diff --git a/drivers/polatis/netconf/src/main/java/org/onosproject/drivers/polatis/netconf/PolatisAlarmConfig.java b/drivers/polatis/netconf/src/main/java/org/onosproject/drivers/polatis/netconf/PolatisAlarmConfig.java
new file mode 100644
index 0000000..33cb860
--- /dev/null
+++ b/drivers/polatis/netconf/src/main/java/org/onosproject/drivers/polatis/netconf/PolatisAlarmConfig.java
@@ -0,0 +1,99 @@
+/*
+ * Copyright 2018 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.onosproject.drivers.polatis.netconf;
+
+import org.onlab.packet.IpAddress;
+
+import org.onosproject.incubator.net.faultmanagement.alarm.Alarm;
+import org.onosproject.incubator.net.faultmanagement.alarm.AlarmId;
+import org.onosproject.incubator.net.faultmanagement.alarm.DefaultAlarm;
+import org.onosproject.incubator.net.faultmanagement.alarm.DeviceAlarmConfig;
+import org.onosproject.incubator.net.faultmanagement.alarm.XmlEventParser;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.driver.AbstractHandlerBehaviour;
+import org.onosproject.netconf.NetconfDeviceOutputEvent;
+
+import org.slf4j.Logger;
+
+import org.xml.sax.SAXException;
+import org.w3c.dom.Document;
+import org.w3c.dom.Node;
+
+import javax.xml.parsers.ParserConfigurationException;
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.charset.StandardCharsets;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+import static org.slf4j.LoggerFactory.getLogger;
+
+/**
+ * Polatis specific implementation to provide asynchronous alarms via NETCONF.
+ */
+public class PolatisAlarmConfig extends AbstractHandlerBehaviour implements DeviceAlarmConfig {
+ private final Logger log = getLogger(getClass());
+
+ private DeviceId deviceId;
+
+ @Override
+ public boolean configureDevice(IpAddress address, int port, String protocol) {
+ return false;
+ }
+
+ @Override
+ public <T> Set<Alarm> translateAlarms(List<T> unparsedAlarms) {
+ deviceId = handler().data().deviceId();
+ Set<Alarm> alarms = new HashSet<>();
+ for (T alarm : unparsedAlarms) {
+ if (alarm instanceof NetconfDeviceOutputEvent) {
+ NetconfDeviceOutputEvent event = (NetconfDeviceOutputEvent) alarm;
+ if (event.type() == NetconfDeviceOutputEvent.Type.DEVICE_NOTIFICATION) {
+ String message = event.getMessagePayload();
+ InputStream in = new ByteArrayInputStream(message.getBytes(StandardCharsets.UTF_8));
+ try {
+ Document doc = XmlEventParser.createDocFromMessage(in);
+ long timeStamp = XmlEventParser.getEventTime(doc);
+ Node descriptionNode = XmlEventParser.getDescriptionNode(doc);
+ while (descriptionNode != null) {
+ if (descriptionNode.getNodeType() == Node.ELEMENT_NODE) {
+ String nodeName = descriptionNode.getNodeName();
+ if (nodeName == "port-power-alarm") {
+ Node portIdNode = descriptionNode.getChildNodes().item(1);
+ String portId = portIdNode.getTextContent();
+ String description = "Loss of Service alarm raised for fibre " + portId;
+ alarms.add(new DefaultAlarm.Builder(AlarmId.alarmId(deviceId,
+ Long.toString(timeStamp)), deviceId, description,
+ Alarm.SeverityLevel.MAJOR, timeStamp).build());
+ descriptionNode = null;
+ }
+ } else {
+ descriptionNode = descriptionNode.getNextSibling();
+ }
+ }
+ } catch (SAXException | IOException | ParserConfigurationException |
+ UnsupportedOperationException | IllegalArgumentException e) {
+ log.error("Exception thrown translating message from {}.", deviceId, e);
+ }
+ }
+ }
+ }
+ return alarms;
+ }
+}