Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2017-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.lumentum; |
| 18 | |
| 19 | import com.google.common.collect.ImmutableList; |
| 20 | import org.apache.commons.configuration.HierarchicalConfiguration; |
| 21 | import org.apache.commons.lang3.tuple.Pair; |
| 22 | import org.onlab.util.Frequency; |
| 23 | import org.onlab.util.Spectrum; |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 24 | import org.onosproject.drivers.odtn.impl.DeviceConnectionCache; |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 25 | import org.onosproject.drivers.utilities.XmlConfigParser; |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 26 | import org.onosproject.net.PortNumber; |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 27 | import org.onosproject.net.OchSignal; |
| 28 | import org.onosproject.net.OchSignalType; |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 29 | import org.onosproject.net.DeviceId; |
| 30 | import org.onosproject.net.ChannelSpacing; |
| 31 | import org.onosproject.net.GridType; |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 32 | import org.onosproject.net.device.DeviceService; |
| 33 | import org.onosproject.net.driver.AbstractHandlerBehaviour; |
| 34 | import org.onosproject.net.flow.DefaultFlowEntry; |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 35 | import org.onosproject.net.flow.DefaultTrafficSelector; |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 36 | import org.onosproject.net.flow.FlowEntry; |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 37 | import org.onosproject.net.flow.FlowRule; |
| 38 | import org.onosproject.net.flow.FlowRuleProgrammable; |
| 39 | import org.onosproject.net.flow.TrafficSelector; |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 40 | import org.onosproject.net.flow.criteria.Criteria; |
| 41 | import org.onosproject.netconf.NetconfController; |
| 42 | import org.onosproject.netconf.NetconfException; |
| 43 | import org.onosproject.netconf.NetconfSession; |
| 44 | import org.slf4j.Logger; |
| 45 | import org.slf4j.LoggerFactory; |
| 46 | |
| 47 | import java.io.ByteArrayInputStream; |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 48 | import java.util.Collection; |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 49 | import java.util.ArrayList; |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 50 | import java.util.List; |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 51 | import java.util.Set; |
| 52 | import java.util.stream.Collectors; |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 53 | |
| 54 | import static com.google.common.base.Preconditions.checkArgument; |
| 55 | import static com.google.common.base.Preconditions.checkNotNull; |
| 56 | |
| 57 | /** |
| 58 | * Implementation of FlowRuleProgrammable interface for Lumentum ROADM-A Whitebox devices using NETCONF. |
| 59 | */ |
| 60 | public class LumentumNetconfRoadmFlowRuleProgrammable extends AbstractHandlerBehaviour implements FlowRuleProgrammable { |
| 61 | |
| 62 | private static final Logger log = |
| 63 | LoggerFactory.getLogger(LumentumNetconfRoadmFlowRuleProgrammable.class); |
| 64 | |
| 65 | private static final String DN = "dn"; |
| 66 | private static final String DN_PORT = "port="; |
| 67 | private static final String DN_CARD1 = "ne=1;chassis=1;card=1;port="; |
| 68 | private static final String CONNECTION = "connection"; |
| 69 | private static final String CONNECTIONS = "data.connections.connection"; |
| 70 | private static final String CONFIG = "config"; |
| 71 | private static final String STATE = "state"; |
| 72 | private static final String START_FREQ = "start-freq"; |
| 73 | private static final String END_FREQ = "end-freq"; |
| 74 | private static final String MODULE = "module"; |
| 75 | private static final String SEMI_COLON = ";"; |
| 76 | private static final String EQUAL = "="; |
| 77 | private static final String INPUT_PORT_REFERENCE = "input-port-reference"; |
| 78 | private static final String OUTPUT_PORT_REFERENCE = "output-port-reference"; |
| 79 | |
| 80 | private static final String CHANNEL_ATTENUATION = "attenuation"; |
| 81 | private static final String CHANNEL_INPUT_POWER = "input-channel-attributes.power"; |
| 82 | private static final String CHANNEL_OUTPUT_POWER = "output-channel-attributes.power"; |
| 83 | |
| 84 | protected static final long LINE_PORT = 3001; |
| 85 | protected static final PortNumber LINE_PORT_NUMBER = PortNumber.portNumber(LINE_PORT); |
| 86 | protected static final long MUX_OUT = 4201; |
| 87 | protected static final long DEMUX_IN = 5101; |
| 88 | protected static final long GHZ = 1_000_000_000L; |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 89 | protected static final int LUMENTUM_ROADM20_MAX_CONNECTIONS = 100; |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 90 | |
| 91 | /**Get the flow entries that are present on the Lumentum device, called by FlowRuleDriverProvider. |
| 92 | * |
| 93 | * The flow entries must match exactly the FlowRule entries in the ONOS store. If they are not an |
| 94 | * exact match the device will be requested to remove those flows. |
| 95 | * |
| 96 | * @return A collection of Flow Entries |
| 97 | */ |
| 98 | @Override |
| 99 | public Collection<FlowEntry> getFlowEntries() { |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 100 | Collection<FlowEntry> fetched = fetchConnectionsFromDevice().stream() |
| 101 | .map(conn -> buildFlowrule(conn)) |
| 102 | .map(fr -> new DefaultFlowEntry(fr, FlowEntry.FlowEntryState.ADDED, 0, 0, 0)) |
| 103 | .collect(Collectors.toList()); |
| 104 | |
| 105 | //Print out number of rules actually found on the device that are also included in the cache |
| 106 | log.debug("Device {} getFlowEntries fetched connections {}", did(), fetched.size()); |
| 107 | |
| 108 | return fetched; |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 109 | } |
| 110 | |
| 111 | /**Apply the flow entries specified in the collection rules. |
| 112 | * |
| 113 | * @param rules A collection of Flow Rules to be applied to the Lumentum device |
| 114 | * @return The collection of added Flow Entries |
| 115 | */ |
| 116 | @Override |
| 117 | public Collection<FlowRule> applyFlowRules(Collection<FlowRule> rules) { |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 118 | //Check NETCONF session |
| 119 | NetconfSession session = getNetconfSession(); |
| 120 | if (session == null) { |
| 121 | log.error("Device {} null session", did()); |
| 122 | return ImmutableList.of(); |
| 123 | } |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 124 | |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 125 | // Apply the rules on the device and add to cache if success |
| 126 | Collection<FlowRule> added = new ArrayList<>(); |
| 127 | for (FlowRule flowRule : rules) { |
| 128 | LumentumFlowRule lumFlowRule = new LumentumFlowRule(flowRule, getLinePorts()); |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 129 | |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 130 | if (rpcAddConnection(lumFlowRule)) { |
| 131 | added.add(lumFlowRule); |
| 132 | getConnectionCache().add(did(), lumFlowRule.getConnectionName(), lumFlowRule); |
| 133 | } |
| 134 | } |
| 135 | |
| 136 | //Print out number of rules sent to the device (without receiving errors) |
| 137 | log.debug("Device {} applyFlowRules added {}", did(), added.size()); |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 138 | |
| 139 | return added; |
| 140 | } |
| 141 | |
| 142 | @Override |
| 143 | public Collection<FlowRule> removeFlowRules(Collection<FlowRule> rules) { |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 144 | NetconfSession session = getNetconfSession(); |
| 145 | if (session == null) { |
| 146 | log.error("Device {} null session", did()); |
| 147 | return ImmutableList.of(); |
| 148 | } |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 149 | |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 150 | // Remove the rules from the device and from the cache |
| 151 | List<FlowRule> removed = new ArrayList<>(); |
| 152 | for (FlowRule r : rules) { |
| 153 | try { |
| 154 | LumentumFlowRule flowRule = new LumentumFlowRule(r, getLinePorts()); |
| 155 | rpcDeleteConnection(flowRule); |
| 156 | getConnectionCache().remove(did(), r); |
| 157 | removed.add(r); |
| 158 | } catch (Exception e) { |
| 159 | log.error("Device {} Error {}", did(), e); |
| 160 | continue; |
| 161 | } |
| 162 | } |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 163 | |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 164 | //Print out number of removed rules from the device (without receiving errors) |
| 165 | log.debug("Device {} removeFlowRules removed {}", did(), removed.size()); |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 166 | |
| 167 | return removed; |
| 168 | } |
| 169 | |
| 170 | private List<PortNumber> getLinePorts() { |
| 171 | DeviceService deviceService = this.handler().get(DeviceService.class); |
| 172 | return deviceService.getPorts(data().deviceId()).stream() |
| 173 | .filter(p -> p.number().toLong() == LINE_PORT) |
| 174 | .map(p -> p.number()) |
| 175 | .collect(Collectors.toList()); |
| 176 | } |
| 177 | |
| 178 | /** |
| 179 | * Fetches list of connections from device. |
| 180 | * |
| 181 | * @return list of connections as XML hierarchy |
| 182 | */ |
| 183 | private List<HierarchicalConfiguration> fetchConnectionsFromDevice() { |
| 184 | String reply; |
| 185 | |
| 186 | StringBuilder requestBuilder = new StringBuilder(); |
| 187 | requestBuilder.append("<connections xmlns=\"http://www.lumentum.com/lumentum-ote-connection\">"); |
| 188 | requestBuilder.append("</connections>"); |
| 189 | |
| 190 | NetconfSession session = getNetconfSession(); |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 191 | if (session == null) { |
| 192 | log.error("Lumentum NETCONF - session not found for {}", handler().data().deviceId()); |
| 193 | return ImmutableList.of(); |
| 194 | } |
| 195 | |
| 196 | try { |
| 197 | reply = session.get(requestBuilder.toString(), null); |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 198 | log.debug("Lumentum NETCONF - fetchConnectionsFromDevice reply {}", reply); |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 199 | } catch (NetconfException e) { |
| 200 | log.error("Failed to retrieve configuration details for device {}", |
| 201 | handler().data().deviceId(), e); |
| 202 | return ImmutableList.of(); |
| 203 | } |
| 204 | |
| 205 | HierarchicalConfiguration cfg = |
| 206 | XmlConfigParser.loadXml(new ByteArrayInputStream(reply.getBytes())); |
| 207 | |
| 208 | return cfg.configurationsAt(CONNECTIONS); |
| 209 | } |
| 210 | |
| 211 | // Example input dn: ne=1;chassis=1;card=1;module=2;connection=89 |
| 212 | private Pair<Short, Short> parseDn(String dn) { |
| 213 | Short module = null; |
| 214 | Short connection = null; |
| 215 | for (String entry : dn.split(SEMI_COLON)) { |
| 216 | String[] keyVal = entry.split(EQUAL); |
| 217 | if (keyVal.length != 2) { |
| 218 | continue; |
| 219 | } |
| 220 | if (keyVal[0].equals(MODULE)) { |
| 221 | module = Short.valueOf(keyVal[1]); |
| 222 | } |
| 223 | if (keyVal[0].equals(CONNECTION)) { |
| 224 | connection = Short.valueOf(keyVal[1]); |
| 225 | } |
| 226 | if (module != null && connection != null) { |
| 227 | return Pair.of(module, connection); |
| 228 | } |
| 229 | } |
| 230 | |
| 231 | return null; |
| 232 | } |
| 233 | |
| 234 | /** |
| 235 | * Builds a flow rule from a connection hierarchy. |
| 236 | * |
| 237 | * @param connection the connection hierarchy |
| 238 | * @return the flow rule |
| 239 | */ |
| 240 | private FlowRule buildFlowrule(HierarchicalConfiguration connection) { |
| 241 | |
| 242 | String dn = connection.getString(DN); |
| 243 | Pair<Short, Short> pair = parseDn(dn); |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 244 | short connId = pair.getRight(); |
| 245 | short moduleId = pair.getLeft(); |
| 246 | |
| 247 | if (pair == null) { |
| 248 | log.error("Lumentum NETCONF - device {} error in retrieving DN field", did()); |
| 249 | return null; |
| 250 | } |
| 251 | |
| 252 | log.debug("Lumentum NETCONF - retrieved FlowRule module {} connection {}", moduleId, connId); |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 253 | |
| 254 | HierarchicalConfiguration config = connection.configurationAt(CONFIG); |
| 255 | double startFreq = config.getDouble(START_FREQ); |
| 256 | double endFreq = config.getDouble(END_FREQ); |
| 257 | String inputPortReference = config.getString(INPUT_PORT_REFERENCE); |
| 258 | String outputPortReference = config.getString(OUTPUT_PORT_REFERENCE); |
| 259 | |
| 260 | HierarchicalConfiguration state = connection.configurationAt(STATE); |
| 261 | double attenuation = state.getDouble(CHANNEL_ATTENUATION); |
| 262 | double inputPower = state.getDouble(CHANNEL_INPUT_POWER); |
| 263 | double outputPower = state.getDouble(CHANNEL_OUTPUT_POWER); |
| 264 | |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 265 | PortNumber portNumber = getPortNumber(moduleId, inputPortReference, outputPortReference); |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 266 | |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 267 | //If rule is on module 1 it means input port in the Flow rule is contained in portNumber. |
| 268 | //Otherwise the input port in the Flow rule must is the line port. |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 269 | TrafficSelector selector = DefaultTrafficSelector.builder() |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 270 | .matchInPort(moduleId == 1 ? portNumber : LINE_PORT_NUMBER) |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 271 | .add(Criteria.matchOchSignalType(OchSignalType.FIXED_GRID)) |
| 272 | .add(Criteria.matchLambda(toOchSignal(startFreq, endFreq))) |
| 273 | .build(); |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 274 | |
| 275 | log.debug("Lumentum NETCONF - retrieved FlowRule startFreq {} endFreq {}", startFreq, endFreq); |
| 276 | |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 277 | //Lookup of connection |
| 278 | //Retrieved rules, cached rules are considered equal if the selector is equal |
| 279 | FlowRule cacheRule = null; |
| 280 | if (getConnectionCache().size(did()) != 0) { |
| 281 | cacheRule = getConnectionCache().get(did()).stream() |
| 282 | .filter(r -> (r.selector().equals(selector))) |
| 283 | .findFirst() |
| 284 | .orElse(null); |
alessio | d4a2b84 | 2019-04-30 18:43:17 +0200 | [diff] [blame] | 285 | } |
| 286 | |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 287 | |
| 288 | if (cacheRule == null) { |
| 289 | //TODO consider a way to keep "external" FlowRules |
| 290 | log.error("Lumentum NETCONF connection not in the cache {}", pair.getRight()); |
| 291 | rpcDeleteExternalConnection(moduleId, connId); |
| 292 | return null; |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 293 | } else { |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 294 | //Update monitored values |
| 295 | log.debug("Attenuation retrieved {} dB for connection {}", |
| 296 | attenuation, ((LumentumFlowRule) cacheRule).getConnectionId()); |
| 297 | ((LumentumFlowRule) cacheRule).setAttenuation(attenuation); |
| 298 | ((LumentumFlowRule) cacheRule).setInputPower(inputPower); |
| 299 | ((LumentumFlowRule) cacheRule).setOutputPower(outputPower); |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 300 | |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 301 | return cacheRule; |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 302 | } |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 303 | } |
| 304 | |
| 305 | /** |
| 306 | * Get the port number. |
| 307 | * If this is a MUX connection return input-port. Outport is always MUX_OUT = 4201. |
| 308 | * If this is a DEMUX connection return output-port. Inport is always DEMUX_IN= 5101. |
| 309 | * |
| 310 | * @param module the module (1 for MUX/ADD, 2 for DEMUX/DROP) |
| 311 | * @return the add/drop port number |
| 312 | */ |
| 313 | private PortNumber getPortNumber(short module, String inputPort, String outputPort) { |
| 314 | checkArgument(module == 1 || module == 2, "Module must be 1 (MUX/ADD) or 2 (DEMUX/DROP)"); |
| 315 | |
| 316 | if (module == 1) { |
| 317 | return PortNumber.portNumber(inputPort.split(DN_PORT)[1]); |
| 318 | } else { |
| 319 | return PortNumber.portNumber(outputPort.split(DN_PORT)[1]); |
| 320 | } |
| 321 | } |
| 322 | |
| 323 | /** |
| 324 | * Converts cross connect flow rule to module and connection. |
| 325 | * |
| 326 | * Connection number is incremental within the class and associated to the rule hash. |
| 327 | * |
| 328 | * @param xc the cross connect flow rule |
| 329 | * @return pair of module (1 for MUX/ADD, 2 for DEMUX/DROP) and connection number |
| 330 | */ |
alessio | d4a2b84 | 2019-04-30 18:43:17 +0200 | [diff] [blame] | 331 | private Pair<Short, Short> setModuleConnection(LumentumFlowRule xc, Integer id) { |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 332 | if (xc.isAddRule()) { |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 333 | xc.setConnectionModule((short) 1); |
| 334 | xc.setConnectionId(id.shortValue()); |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 335 | return Pair.of((short) 1, id.shortValue()); |
| 336 | } else { |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 337 | xc.setConnectionModule((short) 2); |
| 338 | xc.setConnectionId(id.shortValue()); |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 339 | return Pair.of((short) 2, id.shortValue()); |
| 340 | } |
| 341 | } |
| 342 | |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 343 | //Following Lumentum documentation rpc operation to configure a new connection |
alessio | d4a2b84 | 2019-04-30 18:43:17 +0200 | [diff] [blame] | 344 | private boolean rpcAddConnection(LumentumFlowRule xc) { |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 345 | |
| 346 | int currentConnectionId = generateConnectionId(); |
| 347 | |
| 348 | if (currentConnectionId == 0) { |
| 349 | log.error("Lumentum driver - 100 connections are already configured on the device"); |
| 350 | return false; |
| 351 | } |
| 352 | |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 353 | Pair<Short, Short> pair = setModuleConnection(xc, currentConnectionId); |
| 354 | String module = pair.getLeft().toString(); |
| 355 | String connectionId = pair.getRight().toString(); |
| 356 | |
| 357 | //Conversion of ochSignal format (center frequency + diameter) to Lumentum frequency slot format (start - end) |
| 358 | Frequency freqRadius = Frequency.ofHz(xc.ochSignal().channelSpacing().frequency().asHz() / 2); |
| 359 | Frequency center = xc.ochSignal().centralFrequency(); |
| 360 | String startFreq = String.valueOf(center.subtract(freqRadius).asHz() / GHZ); |
| 361 | String endFreq = String.valueOf(center.add(freqRadius).asHz() / GHZ); |
| 362 | |
| 363 | StringBuilder stringBuilder = new StringBuilder(); |
| 364 | stringBuilder.append("<rpc xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\">" + "\n"); |
| 365 | stringBuilder.append("<add-connection xmlns=\"http://www.lumentum.com/lumentum-ote-connection\">" + "\n"); |
| 366 | stringBuilder.append( |
| 367 | "<dn>ne=1;chassis=1;card=1;module=" + module + ";connection=" + connectionId + "</dn>" + "\n"); |
| 368 | stringBuilder.append("<start-freq>" + startFreq + "</start-freq>" + "\n"); |
| 369 | stringBuilder.append("<end-freq>" + endFreq + "</end-freq>" + "\n"); |
| 370 | stringBuilder.append("<attenuation>" + "0.0" + "</attenuation>" + "\n"); |
| 371 | stringBuilder.append("<blocked>" + "false" + "</blocked>" + "\n"); |
| 372 | stringBuilder.append("<maintenance-state>" + "in-service" + "</maintenance-state>" + "\n"); |
| 373 | |
| 374 | if (xc.isAddRule()) { |
| 375 | stringBuilder.append( |
| 376 | "<input-port-reference>" + DN_CARD1 + xc.addDrop().toString() + "</input-port-reference>" + "\n"); |
| 377 | stringBuilder.append( |
| 378 | "<output-port-reference>" + DN_CARD1 + MUX_OUT + "</output-port-reference>" + "\n"); |
| 379 | } else { |
| 380 | stringBuilder.append( |
| 381 | "<input-port-reference>" + DN_CARD1 + DEMUX_IN + "</input-port-reference>" + "\n"); |
| 382 | stringBuilder.append( |
| 383 | "<output-port-reference>" + DN_CARD1 + xc.addDrop().toString() + "</output-port-reference>" + "\n"); |
| 384 | } |
| 385 | stringBuilder.append("<custom-name>" + "onos-connection" + "</custom-name>" + "\n"); |
| 386 | stringBuilder.append("</add-connection>" + "\n"); |
| 387 | stringBuilder.append("</rpc>" + "\n"); |
| 388 | |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 389 | log.info("Lumentum ROADM20 - RPC add-connection sent to device {}", did()); |
| 390 | log.debug("Lumentum ROADM20 - RPC add-connection sent to device {} {}", did(), stringBuilder); |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 391 | |
| 392 | return editCrossConnect(stringBuilder.toString()); |
| 393 | } |
| 394 | |
| 395 | //Following Lumentum documentation <edit-config> operation to edit connection parameter |
| 396 | //Currently only edit the "attenuation" parameter |
| 397 | private boolean editConnection(String moduleId, String connectionId, int attenuation) { |
| 398 | |
| 399 | double attenuationDouble = ((double) attenuation) / 100; |
| 400 | |
| 401 | StringBuilder stringBuilder = new StringBuilder(); |
| 402 | stringBuilder.append("<rpc xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\">" + "\n"); |
| 403 | stringBuilder.append("<edit-config>" + "\n"); |
| 404 | stringBuilder.append("<target>" + "\n"); |
| 405 | stringBuilder.append("<running/>" + "\n"); |
| 406 | stringBuilder.append("</target>" + "\n"); |
| 407 | stringBuilder.append("<config>" + "\n"); |
| 408 | stringBuilder.append("<connections xmlns=\"http://www.lumentum.com/lumentum-ote-connection\">" + "\n"); |
| 409 | stringBuilder.append("<connection>" + "\n"); |
| 410 | stringBuilder.append("" + |
| 411 | "<dn>ne=1;chassis=1;card=1;module=" + moduleId + ";connection=" + connectionId + "</dn>" + "\n"); |
| 412 | //Other configurable parameters |
| 413 | //stringBuilder.append("<custom-name/>" + "\n"); |
| 414 | //stringBuilder.append("<maintenance-state>" + "in-service" + "</maintenance-state>" + "\n"); |
| 415 | //stringBuilder.append("<start-freq>" + startFreq + "</start-freq>" + "\n"); |
| 416 | //stringBuilder.append("<end-freq>" + endFreq + "</end-freq>" + "\n"); |
| 417 | stringBuilder.append("<config>" + "\n"); |
| 418 | stringBuilder.append("<attenuation>" + attenuationDouble + "</attenuation>" + "\n"); |
| 419 | stringBuilder.append("</config>" + "\n"); |
| 420 | stringBuilder.append("</connection>" + "\n"); |
| 421 | stringBuilder.append("</connections>" + "\n"); |
| 422 | stringBuilder.append("</config>" + "\n"); |
| 423 | stringBuilder.append("</edit-config>" + "\n"); |
| 424 | stringBuilder.append("</rpc>" + "\n"); |
| 425 | |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 426 | log.info("Lumentum ROADM20 - edit-connection sent to device {}", did()); |
| 427 | log.debug("Lumentum ROADM20 - edit-connection sent to device {} {}", did(), stringBuilder); |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 428 | |
| 429 | return editCrossConnect(stringBuilder.toString()); |
| 430 | } |
| 431 | |
| 432 | //Following Lumentum documentation rpc operation to delete a new connection |
alessio | d4a2b84 | 2019-04-30 18:43:17 +0200 | [diff] [blame] | 433 | private boolean rpcDeleteConnection(LumentumFlowRule xc) { |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 434 | |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 435 | //Look for corresponding rule into the cache |
| 436 | FlowRule cacheRule = getConnectionCache().get(did()).stream() |
| 437 | .filter(r -> (r.selector().equals(xc.selector()) && r.treatment().equals(xc.treatment()))) |
| 438 | .findFirst() |
| 439 | .orElse(null); |
| 440 | |
| 441 | if (cacheRule == null) { |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 442 | log.error("Lumentum RPC delete-connection, connection not found on the local cache"); |
Ray Milkey | cc7a176 | 2018-06-18 08:54:51 -0700 | [diff] [blame] | 443 | throw new IllegalStateException("Lumentum RPC delete-connection, connection not found on the local cache"); |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 444 | } |
| 445 | |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 446 | |
| 447 | int moduleId = ((LumentumFlowRule) cacheRule).getConnectionModule(); |
| 448 | int connId = ((LumentumFlowRule) cacheRule).getConnectionId(); |
| 449 | |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 450 | |
| 451 | StringBuilder stringBuilder = new StringBuilder(); |
| 452 | stringBuilder.append("<rpc xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\">" + "\n"); |
| 453 | stringBuilder.append("<delete-connection xmlns=\"http://www.lumentum.com/lumentum-ote-connection\">" + "\n"); |
| 454 | stringBuilder.append( |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 455 | "<dn>ne=1;chassis=1;card=1;module=" + moduleId + ";connection=" + connId + "</dn>" + "\n"); |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 456 | stringBuilder.append("</delete-connection>" + "\n"); |
| 457 | stringBuilder.append("</rpc>" + " \n"); |
| 458 | |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 459 | log.info("Lumentum ROADM20 - RPC delete-connection sent to device {}", did()); |
| 460 | log.debug("Lumentum ROADM20 - - RPC delete-connection sent to device {} {}", did(), stringBuilder); |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 461 | |
| 462 | return editCrossConnect(stringBuilder.toString()); |
| 463 | } |
| 464 | |
| 465 | //Following Lumentum documentation rpc operation to delete a new connection |
| 466 | //Executed if for some reason a connection not in the cache is detected |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 467 | private boolean rpcDeleteExternalConnection(short moduleId, short connectionId) { |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 468 | |
| 469 | StringBuilder stringBuilder = new StringBuilder(); |
| 470 | stringBuilder.append("<rpc xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\">" + "\n"); |
| 471 | stringBuilder.append("<delete-connection xmlns=\"http://www.lumentum.com/lumentum-ote-connection\">" + "\n"); |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 472 | stringBuilder.append("<dn>ne=1;chassis=1;card=1;module=" |
| 473 | + moduleId + ";connection=" + connectionId + "</dn>" + "\n"); |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 474 | stringBuilder.append("</delete-connection>" + "\n"); |
| 475 | stringBuilder.append("</rpc>" + "\n"); |
| 476 | |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 477 | log.info("Lumentum ROADM20 - RPC delete-external-connection sent to device {}", did()); |
| 478 | log.debug("Lumentum ROADM20 - - RPC delete-external-connection sent to device {} {}", did(), stringBuilder); |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 479 | |
| 480 | return editCrossConnect(stringBuilder.toString()); |
| 481 | } |
| 482 | |
| 483 | |
| 484 | private boolean editCrossConnect(String xcString) { |
| 485 | NetconfSession session = getNetconfSession(); |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 486 | if (session == null) { |
| 487 | log.error("Lumentum NETCONF - session not found for device {}", handler().data().deviceId()); |
| 488 | return false; |
| 489 | } |
| 490 | |
| 491 | try { |
| 492 | return session.editConfig(xcString); |
| 493 | } catch (NetconfException e) { |
| 494 | log.error("Failed to edit the CrossConnect edid-cfg for device {}", |
| 495 | handler().data().deviceId(), e); |
| 496 | log.debug("Failed configuration {}", xcString); |
| 497 | return false; |
| 498 | } |
| 499 | } |
| 500 | |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 501 | /** |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 502 | * Convert start and end frequencies to OCh signal. |
| 503 | * |
| 504 | * FIXME: assumes slots of 12.5 GHz while devices allows granularity 6.25 GHz |
| 505 | * FIXME: supports channel spacing 50 and 100 |
| 506 | * |
| 507 | * @param start starting frequency as double in GHz |
| 508 | * @param end end frequency as double in GHz |
| 509 | * @return OCh signal |
| 510 | */ |
| 511 | public static OchSignal toOchSignal(double start, double end) { |
| 512 | int slots = (int) ((end - start) / ChannelSpacing.CHL_12P5GHZ.frequency().asGHz()); |
| 513 | int multiplier = 0; |
| 514 | |
| 515 | //Conversion for 50 GHz slots |
| 516 | if (end - start == 50) { |
| 517 | multiplier = (int) (((end - start) / 2 + start - Spectrum.CENTER_FREQUENCY.asGHz()) |
| 518 | / ChannelSpacing.CHL_50GHZ.frequency().asGHz()); |
| 519 | |
| 520 | return new OchSignal(GridType.DWDM, ChannelSpacing.CHL_50GHZ, multiplier, slots); |
| 521 | } |
| 522 | |
| 523 | //Conversion for 100 GHz slots |
| 524 | if (end - start == 100) { |
| 525 | multiplier = (int) (((end - start) / 2 + start - Spectrum.CENTER_FREQUENCY.asGHz()) |
| 526 | / ChannelSpacing.CHL_100GHZ.frequency().asGHz()); |
| 527 | |
| 528 | return new OchSignal(GridType.DWDM, ChannelSpacing.CHL_100GHZ, multiplier, slots); |
| 529 | } |
| 530 | |
| 531 | return null; |
| 532 | } |
| 533 | |
| 534 | /** |
| 535 | * Generate a valid connectionId, the connectionId is a field required by the device every time |
| 536 | * a connection is created/edited/removed. |
| 537 | * |
| 538 | * |
| 539 | * Device only supports connection id < 100 |
| 540 | */ |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 541 | private int generateConnectionId() { |
| 542 | //LUMENTUM_ROADM20_MAX_CONNECTIONS = 100, device only supports connection id < 100 |
| 543 | for (int i = 1; i < LUMENTUM_ROADM20_MAX_CONNECTIONS; i++) { |
| 544 | Set<FlowRule> rulesForDevice = getConnectionCache().get(did()); |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 545 | |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 546 | if (rulesForDevice == null) { |
| 547 | return 1; |
| 548 | } else { |
| 549 | Set<Integer> connIds = rulesForDevice.stream() |
| 550 | .map(flow -> ((LumentumFlowRule) flow).getConnectionId()) |
| 551 | .collect(Collectors.toSet()); |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 552 | |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 553 | if (!connIds.contains(i)) { |
| 554 | return i; |
| 555 | } |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 556 | } |
| 557 | } |
| 558 | return 0; |
| 559 | } |
alessio | 1bf2a63 | 2019-06-04 15:47:39 +0200 | [diff] [blame] | 560 | |
| 561 | private DeviceConnectionCache getConnectionCache() { |
| 562 | return DeviceConnectionCache.init(); |
| 563 | } |
| 564 | |
| 565 | /** |
| 566 | * Helper method to get the device id. |
| 567 | */ |
| 568 | private DeviceId did() { |
| 569 | return data().deviceId(); |
| 570 | } |
| 571 | |
| 572 | /** |
| 573 | * Helper method to get the Netconf session. |
| 574 | */ |
| 575 | private NetconfSession getNetconfSession() { |
| 576 | NetconfController controller = |
| 577 | checkNotNull(handler().get(NetconfController.class)); |
| 578 | return controller.getNetconfDevice(did()).getSession(); |
| 579 | } |
Alessio Giorgetti | 648b538 | 2018-02-15 18:35:45 +0100 | [diff] [blame] | 580 | } |