| /* |
| * 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.onosproject.drivers.zte; |
| |
| import com.google.common.base.Strings; |
| import com.google.common.collect.Lists; |
| import org.apache.commons.configuration.XMLConfiguration; |
| import org.onosproject.drivers.utilities.XmlConfigParser; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.Port; |
| import org.onosproject.net.device.DefaultPortStatistics; |
| import org.onosproject.net.device.DeviceService; |
| 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 java.util.Collection; |
| import java.util.List; |
| |
| import static org.onosproject.odtn.behaviour.OdtnDeviceDescriptionDiscovery.OC_NAME; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| public class ZtePortStatisticsDiscovery extends AbstractHandlerBehaviour |
| implements PortStatisticsDiscovery { |
| |
| private static final Logger LOG = getLogger(ZtePortStatisticsDiscovery.class); |
| |
| @Override |
| public Collection<PortStatistics> discoverPortStatistics() { |
| DeviceId deviceId = handler().data().deviceId(); |
| LOG.debug("Discovering ZTE PortStatistics for device {}", deviceId); |
| |
| NetconfController controller = handler().get(NetconfController.class); |
| |
| if (null == controller) { |
| LOG.error("Cannot find NetconfController"); |
| return null; |
| } |
| |
| NetconfSession session = controller.getDevicesMap().get(deviceId).getSession(); |
| |
| if (null == session) { |
| LOG.error("No session available for device {}", deviceId); |
| return null; |
| } |
| |
| DeviceService deviceService = this.handler().get(DeviceService.class); |
| List<Port> ports = deviceService.getPorts(deviceId); |
| |
| Collection<PortStatistics> portStatistics = Lists.newArrayList(); |
| |
| ports.stream() |
| .filter(Port::isEnabled) |
| .filter(this::isClientPort) |
| .forEach(port -> portStatistics.add(discoverSpecifiedPortStatistics(session, deviceId, port))); |
| |
| return portStatistics; |
| } |
| |
| private boolean isClientPort(Port port) { |
| String portName = port.annotations().value(OC_NAME); |
| if (Strings.isNullOrEmpty(portName)) { |
| return false; |
| } |
| String[] portInfos = portName.split("-"); |
| return portInfos.length == 4 && portInfos[3].startsWith("C"); |
| } |
| |
| private String getDataOfRpcReply(String rpcReply) { |
| String data = null; |
| int begin = rpcReply.indexOf("<data>"); |
| int end = rpcReply.lastIndexOf("</data>"); |
| if (begin != -1 && end != -1) { |
| data = (String) rpcReply.subSequence(begin, end + "</data>".length()); |
| } else { |
| data = rpcReply; |
| } |
| return data; |
| } |
| |
| private PortStatistics discoverSpecifiedPortStatistics(NetconfSession session, DeviceId deviceId, Port port) { |
| |
| String portName = port.annotations().value(OC_NAME); |
| String rpc = buildPortStatisticsRequest("INTERFACE" + portName.substring("PORT".length())); |
| |
| try { |
| String reply = session.requestSync(rpc); |
| XMLConfiguration cfg = (XMLConfiguration) XmlConfigParser.loadXmlString(getDataOfRpcReply(reply)); |
| DefaultPortStatistics.Builder builder = DefaultPortStatistics.builder(); |
| |
| builder.setPort(port.number()) |
| .setPacketsReceived(getInteger(cfg, "in-pks")) |
| .setPacketsSent(getInteger(cfg, "out-pkts")) |
| .setBytesReceived(getInteger(cfg, "in-octets")) |
| .setBytesSent(getInteger(cfg, "out-octets")) |
| .setPacketsRxDropped(getInteger(cfg, "in-fcs-errors")) |
| .setPacketsTxDropped(getInteger(cfg, "carrier-transitions")) |
| .setPacketsRxErrors(getInteger(cfg, "in-errors")) |
| .setPacketsTxErrors(getInteger(cfg, "out-errors")) |
| .setDeviceId(deviceId); |
| |
| return builder.build(); |
| } catch (NetconfException e) { |
| LOG.error("ZTE device portStatistic request error.", e); |
| return null; |
| } |
| } |
| |
| private String buildPortStatisticsRequest(String portName) { |
| StringBuilder rpc = new StringBuilder(); |
| rpc.append("<rpc xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\">"); |
| rpc.append("<get>"); |
| rpc.append("<filter xmlns:ns0=\"urn:ietf:params:xml:ns:netconf:base:1.0\" ns0:type=\"subtree\">"); |
| rpc.append("<interfaces xmlns=\"http://openconfig.net/yang/interfaces\">"); |
| rpc.append("<interface>"); |
| rpc.append("<name>"); |
| rpc.append(portName); |
| rpc.append("</name>"); |
| rpc.append("<state>"); |
| rpc.append("<counters>"); |
| rpc.append("</counters>"); |
| rpc.append("</state>"); |
| rpc.append("</interface>"); |
| rpc.append("</interfaces>"); |
| rpc.append("</filter>"); |
| rpc.append("</get>"); |
| rpc.append("</rpc>"); |
| |
| return rpc.toString(); |
| } |
| |
| private int getInteger(XMLConfiguration cfg, String item) { |
| String numString = cfg.getString("interfaces.interface.state.counters." + item); |
| if (Strings.isNullOrEmpty(numString)) { |
| LOG.debug("Cannot get port statistic data for {}, set 0 as default.", item); |
| return 0; |
| } |
| |
| try { |
| return Integer.parseInt(numString); |
| } catch (NumberFormatException e) { |
| LOG.warn("Cannot convert data for {}", item); |
| return 0; |
| } |
| } |
| } |