Waveserver Ai Driver support
Change-Id: I1d65e30b4b46dbad8802fd2edd9dec74b5d2ec18
revert readme
Change-Id: I32f7a9ec21f743d98cdece2ceb097fc65b784589
diff --git a/drivers/ciena/waveserverai/src/main/java/org/onosproject/drivers/ciena/waveserverai/netconf/CienaWaveserverAiPortStatisticsDiscovery.java b/drivers/ciena/waveserverai/src/main/java/org/onosproject/drivers/ciena/waveserverai/netconf/CienaWaveserverAiPortStatisticsDiscovery.java
new file mode 100644
index 0000000..24c7a08
--- /dev/null
+++ b/drivers/ciena/waveserverai/src/main/java/org/onosproject/drivers/ciena/waveserverai/netconf/CienaWaveserverAiPortStatisticsDiscovery.java
@@ -0,0 +1,111 @@
+/*
+ * Copyright 2016-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.onosproject.drivers.ciena.waveserverai.netconf;
+
+import com.google.common.collect.ImmutableList;
+import org.onosproject.drivers.netconf.TemplateManager;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.device.DefaultPortStatistics;
+import org.onosproject.net.device.PortStatistics;
+import org.onosproject.net.device.PortStatisticsDiscovery;
+import org.onosproject.net.driver.AbstractHandlerBehaviour;
+import org.onosproject.netconf.NetconfController;
+import org.onosproject.netconf.NetconfException;
+import org.onosproject.netconf.NetconfSession;
+import org.slf4j.Logger;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+
+import javax.xml.xpath.XPath;
+import javax.xml.xpath.XPathConstants;
+import javax.xml.xpath.XPathExpressionException;
+import javax.xml.xpath.XPathFactory;
+import java.util.ArrayList;
+import java.util.Collection;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+import static org.onosproject.drivers.ciena.waveserverai.netconf.CienaWaveserverAiDeviceDescription.portIdConvert;
+import static org.slf4j.LoggerFactory.getLogger;
+
+/**
+ * Discovers the device and ports from a Ciena WaveServer Ai Netconf device.
+ */
+
+public class CienaWaveserverAiPortStatisticsDiscovery extends AbstractHandlerBehaviour
+ implements PortStatisticsDiscovery {
+ private static final TemplateManager TEMPLATE_MANAGER = new TemplateManager();
+
+ private final Logger log = getLogger(getClass());
+
+ public CienaWaveserverAiPortStatisticsDiscovery() {
+ log.info("Loaded handler behaviour CienaWaveserverAiPortStatisticsDiscovery.");
+ }
+
+ static {
+ TEMPLATE_MANAGER.load(CienaWaveserverAiPortStatisticsDiscovery.class,
+ "/templates/requests/%s.j2",
+ "discoverPortStatistics");
+ }
+
+ @Override
+ public Collection<PortStatistics> discoverPortStatistics() {
+ log.debug("Calculating port stats for Waveserver Ai device");
+ Collection<PortStatistics> portStats = new ArrayList<>();
+
+ DeviceId deviceId = handler().data().deviceId();
+ NetconfController controller = checkNotNull(handler().get(NetconfController.class));
+ if (controller == null || controller.getDevicesMap() == null
+ || controller.getDevicesMap().get(deviceId) == null) {
+ log.warn("NETCONF session to device {} not yet established, cannot load links, will be retried", deviceId);
+ return portStats;
+ }
+ NetconfSession session = controller.getDevicesMap().get(deviceId).getSession();
+
+ try {
+ XPath xp = XPathFactory.newInstance().newXPath();
+ String tx = "current-bin/statistics/interface-counts/tx/";
+ String rx = "current-bin/statistics/interface-counts/rx/";
+
+ Node node = TEMPLATE_MANAGER.doRequest(session, "discoverPortStatistics");
+ NodeList nodeList = (NodeList) xp.evaluate("waveserver-pm/ethernet-performance-instances",
+ node, XPathConstants.NODESET);
+ Node nodeListItem;
+ int count = nodeList.getLength();
+ for (int i = 0; i < count; ++i) {
+ nodeListItem = nodeList.item(i);
+ portStats.add(DefaultPortStatistics.builder()
+ .setDeviceId(deviceId)
+ .setPort(PortNumber.portNumber(
+ portIdConvert(xp.evaluate("instance-name/text()", nodeListItem))))
+ .setPacketsReceived(Long.parseLong(xp.evaluate(rx + "packets/value/text()", nodeListItem)))
+ .setPacketsSent(Long.parseLong(xp.evaluate(tx + "packets/value/text()", nodeListItem)))
+ .setBytesReceived(Long.parseLong(xp.evaluate(rx + "bytes/value/text()", nodeListItem)))
+ .setBytesSent(Long.parseLong(xp.evaluate(tx + "bytes/value/text()", nodeListItem)))
+// .setPacketsRxDropped(packetsRxDropped)
+// .setPacketsRxErrors(packetsRxErrors)
+// .setPacketsTxDropped(packetsTxDropped)
+// .setPacketsTxErrors(packetsTxErrors)
+ .build());
+ }
+ } catch (NetconfException | XPathExpressionException e) {
+ log.error("Unable to retrieve port stats information for device {}, {}", deviceId, e);
+ }
+
+ return ImmutableList.copyOf(portStats);
+ }
+
+}