| /* |
| * Copyright 2017-present Open Networking Laboratory |
| * |
| * 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.huawei; |
| |
| import com.google.common.collect.ImmutableList; |
| import org.apache.commons.lang.StringUtils; |
| import org.onosproject.net.Device; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.device.DefaultDeviceDescription; |
| import org.onosproject.net.device.DeviceDescription; |
| import org.onosproject.net.device.DeviceDescriptionDiscovery; |
| import org.onosproject.net.device.DeviceService; |
| import org.onosproject.net.device.PortDescription; |
| 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.io.IOException; |
| import java.util.Collection; |
| import java.util.List; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.onosproject.drivers.huawei.DriverUtil.DEV_INFO_FAILURE; |
| import static org.onosproject.drivers.huawei.DriverUtil.RPC_CLOSE; |
| import static org.onosproject.drivers.huawei.DriverUtil.RPC_CLOSE_FILTER; |
| import static org.onosproject.drivers.huawei.DriverUtil.RPC_CLOSE_GET; |
| import static org.onosproject.drivers.huawei.DriverUtil.RPC_CLOSE_IFM; |
| import static org.onosproject.drivers.huawei.DriverUtil.RPC_FILTER; |
| import static org.onosproject.drivers.huawei.DriverUtil.RPC_GET; |
| import static org.onosproject.drivers.huawei.DriverUtil.RPC_IFM; |
| import static org.onosproject.drivers.huawei.DriverUtil.RPC_IFS; |
| import static org.onosproject.drivers.huawei.DriverUtil.RPC_MSG; |
| import static org.onosproject.drivers.huawei.DriverUtil.RPC_SYS; |
| import static org.onosproject.net.Device.Type.ROUTER; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Representation of device information and ports via NETCONF for huawei |
| * routers. |
| */ |
| public class HuaweiDeviceDescription extends AbstractHandlerBehaviour |
| implements PortStatisticsDiscovery, DeviceDescriptionDiscovery { |
| |
| private final Logger log = getLogger(getClass()); |
| |
| /** |
| * Constructs huawei device description. |
| */ |
| public HuaweiDeviceDescription() { |
| } |
| |
| /** |
| * Discovers device details, for huawei device by getting the system |
| * information. |
| * |
| * @return device description |
| */ |
| @Override |
| public DeviceDescription discoverDeviceDetails() { |
| NetconfSession session = getNetconfSession(); |
| String sysInfo; |
| try { |
| sysInfo = session.get(getVersionReq()); |
| } catch (IOException e) { |
| throw new IllegalArgumentException( |
| new NetconfException(DEV_INFO_FAILURE)); |
| } |
| |
| String[] details = parseSysInfoXml(sysInfo); |
| DeviceService devSvc = checkNotNull(handler().get(DeviceService.class)); |
| DeviceId devId = handler().data().deviceId(); |
| Device dev = devSvc.getDevice(devId); |
| return new DefaultDeviceDescription(dev.id().uri(), ROUTER, |
| details[0], details[1], |
| details[2], details[3], |
| dev.chassisId()); |
| } |
| |
| /** |
| * Discovers interface details, for huawei device. |
| * |
| * @return port list |
| */ |
| @Override |
| public List<PortDescription> discoverPortDetails() { |
| return ImmutableList.copyOf(parseInterfaceXml(getInterfaces())); |
| } |
| |
| /** |
| * Returns the NETCONF session of the device. |
| * |
| * @return session |
| */ |
| private NetconfSession getNetconfSession() { |
| NetconfController controller = checkNotNull( |
| handler().get(NetconfController.class)); |
| return controller.getDevicesMap().get(handler().data().deviceId()) |
| .getSession(); |
| } |
| |
| /** |
| * Returns the rpc request message for fetching system details in huawei |
| * device. |
| * |
| * @return rpc request message |
| */ |
| private String getVersionReq() { |
| StringBuilder rpc = new StringBuilder(RPC_MSG); |
| rpc.append(RPC_GET); |
| rpc.append(RPC_FILTER); |
| rpc.append(RPC_SYS); |
| rpc.append(RPC_CLOSE_FILTER); |
| rpc.append(RPC_CLOSE_GET); |
| rpc.append(RPC_CLOSE); |
| return rpc.toString(); |
| } |
| |
| /** |
| * Parses system info received from huawei device. |
| * |
| * @param sysInfo system info |
| * @return parsed values |
| */ |
| private String[] parseSysInfoXml(String sysInfo) { |
| HuaweiXmlParser parser = new HuaweiXmlParser(sysInfo); |
| parser.parseSysInfo(); |
| return parser.getInfo(); |
| } |
| |
| /** |
| * Returns the rpc request message for fetching interface details in |
| * huawei device. |
| * |
| * @return rpc request message |
| */ |
| private String getInterfacesReq() { |
| StringBuilder rpc = new StringBuilder(RPC_MSG); |
| rpc.append(RPC_GET); |
| rpc.append(RPC_FILTER); |
| rpc.append(RPC_IFM); |
| rpc.append(RPC_IFS); |
| rpc.append(RPC_CLOSE_IFM); |
| rpc.append(RPC_CLOSE_FILTER); |
| rpc.append(RPC_CLOSE_GET); |
| rpc.append(RPC_CLOSE); |
| return rpc.toString(); |
| } |
| |
| /** |
| * Parses interfaces received from huawei device. |
| * |
| * @param interfaces interfaces |
| * @return port list |
| */ |
| private List<PortDescription> parseInterfaceXml(String interfaces) { |
| HuaweiXmlParser parser = new HuaweiXmlParser(interfaces); |
| parser.parseInterfaces(); |
| return parser.getPorts(); |
| } |
| |
| @Override |
| public Collection<PortStatistics> discoverPortStatistics() { |
| String interfaces = getInterfaces(); |
| if (StringUtils.isNotBlank(interfaces)) { |
| Collection<PortStatistics> portStats = getPortStatistics(interfaces); |
| return ImmutableList.copyOf(portStats); |
| } |
| return null; |
| } |
| |
| private String getInterfaces() { |
| NetconfSession session = getNetconfSession(); |
| String interfaces = null; |
| try { |
| interfaces = session.get(getInterfacesReq()); |
| } catch (IOException e) { |
| log.info("Failed to retrive interface {} ", e.getMessage()); |
| } |
| return interfaces; |
| } |
| |
| private Collection<PortStatistics> getPortStatistics(String ifs) { |
| HuaweiXmlParser parser = new HuaweiXmlParser(ifs); |
| return parser.parsePortsStatistics(handler().data().deviceId()); |
| } |
| } |