Laszlo Papp | 504510d | 2018-05-22 15:38:24 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2018-present Open Networking Foundation |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package org.onosproject.drivers.polatis.snmp; |
| 18 | |
| 19 | import com.google.common.collect.Lists; |
| 20 | import org.onosproject.net.Device; |
| 21 | import org.onosproject.net.DeviceId; |
| 22 | import org.onosproject.net.SparseAnnotations; |
| 23 | import org.onosproject.net.device.DefaultDeviceDescription; |
| 24 | import org.onosproject.net.device.DeviceDescription; |
| 25 | import org.onosproject.net.device.DeviceDescriptionDiscovery; |
| 26 | import org.onosproject.net.device.DeviceService; |
| 27 | import org.onosproject.net.device.PortDescription; |
| 28 | import org.onosproject.net.driver.AbstractHandlerBehaviour; |
| 29 | |
| 30 | import org.onlab.packet.ChassisId; |
| 31 | |
| 32 | import org.slf4j.Logger; |
| 33 | |
| 34 | import java.io.IOException; |
| 35 | import java.util.List; |
| 36 | |
| 37 | import static com.google.common.base.Preconditions.checkNotNull; |
| 38 | import static org.slf4j.LoggerFactory.getLogger; |
| 39 | |
| 40 | import static org.onosproject.drivers.polatis.snmp.PolatisSnmpUtility.getOid; |
| 41 | |
| 42 | /** |
| 43 | * Representation of device information and ports via SNMP for all Polatis |
| 44 | * optical circuit switches. |
| 45 | */ |
| 46 | public class PolatisDeviceDescription extends AbstractHandlerBehaviour |
| 47 | implements DeviceDescriptionDiscovery { |
| 48 | |
| 49 | private static final String DEFAULT_MANUFACTURER = "Polatis"; |
| 50 | private static final String DEFAULT_DESCRIPTION_DATA = "Unknown"; |
| 51 | |
| 52 | private static final String SOFTWARE_VERSION_OID = ".1.3.6.1.4.1.26592.2.1.2.2.3.0"; |
| 53 | private static final String PRODUCT_CODE_OID = ".1.3.6.1.4.1.26592.2.1.2.2.1.0"; |
| 54 | private static final String SERIAL_NUMBER_OID = ".1.3.6.1.4.1.26592.2.1.2.2.2.0"; |
| 55 | |
| 56 | private final Logger log = getLogger(getClass()); |
| 57 | |
| 58 | /** |
| 59 | * Discovers device details, for Polatis Snmp device by getting the system |
| 60 | * information. |
| 61 | * |
| 62 | * @return device description |
| 63 | */ |
| 64 | @Override |
| 65 | public DeviceDescription discoverDeviceDetails() { |
| 66 | DeviceService deviceService = checkNotNull(handler().get(DeviceService.class)); |
| 67 | DeviceId deviceId = handler().data().deviceId(); |
| 68 | Device device = deviceService.getDevice(deviceId); |
| 69 | if (device == null) { |
| 70 | return new DefaultDeviceDescription(deviceId.uri(), Device.Type.FIBER_SWITCH, |
| 71 | DEFAULT_MANUFACTURER, DEFAULT_DESCRIPTION_DATA, |
| 72 | DEFAULT_DESCRIPTION_DATA, DEFAULT_DESCRIPTION_DATA, |
| 73 | new ChassisId()); |
| 74 | } |
| 75 | String hardwareVersion = DEFAULT_DESCRIPTION_DATA; |
| 76 | try { |
| 77 | hardwareVersion = hardwareVersion(); |
| 78 | } catch (IOException e) { |
| 79 | log.error("Error reading hardware version for device {} exception {}", deviceId, e); |
| 80 | } |
| 81 | |
| 82 | String softwareVersion = DEFAULT_DESCRIPTION_DATA; |
| 83 | try { |
| 84 | softwareVersion = softwareVersion(); |
| 85 | } catch (IOException e) { |
| 86 | log.error("Error reading software version for device {} exception {}", deviceId, e); |
| 87 | } |
| 88 | |
| 89 | String serialNumber = DEFAULT_DESCRIPTION_DATA; |
| 90 | try { |
| 91 | serialNumber = serialNumber(); |
| 92 | } catch (IOException e) { |
| 93 | log.error("Error reading serial number for device {} exception {}", deviceId, e); |
| 94 | } |
| 95 | |
| 96 | return new DefaultDeviceDescription(deviceId.uri(), Device.Type.FIBER_SWITCH, |
| 97 | DEFAULT_MANUFACTURER, hardwareVersion, |
| 98 | softwareVersion, serialNumber, |
| 99 | device.chassisId(), (SparseAnnotations) device.annotations()); |
| 100 | } |
| 101 | |
| 102 | /** |
| 103 | * Discovers port details, for Polatis Snmp device. |
| 104 | * |
| 105 | * @return port list |
| 106 | */ |
| 107 | @Override |
| 108 | public List<PortDescription> discoverPortDetails() { |
| 109 | // TODO: Implement me |
| 110 | return Lists.newLinkedList(); |
| 111 | // return ImmutableList.copyOf(this.getPorts()); |
| 112 | } |
| 113 | |
| 114 | private String hardwareVersion() throws IOException { |
| 115 | return getOid(handler(), PRODUCT_CODE_OID); |
| 116 | } |
| 117 | |
| 118 | private String softwareVersion() throws IOException { |
| 119 | return getOid(handler(), SOFTWARE_VERSION_OID); |
| 120 | } |
| 121 | |
| 122 | private String serialNumber() throws IOException { |
| 123 | return getOid(handler(), SERIAL_NUMBER_OID); |
| 124 | } |
| 125 | } |