2 * Copyright © 2016 AT&T and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.transportpce.networkmodel;
10 import static org.opendaylight.transportpce.common.StringConstants.OPENROADM_DEVICE_VERSION_1_2_1;
11 import static org.opendaylight.transportpce.common.StringConstants.OPENROADM_DEVICE_VERSION_2_2_1;
13 import java.util.Collection;
14 import java.util.Optional;
15 import java.util.concurrent.ExecutionException;
16 import java.util.stream.Collectors;
17 import java.util.stream.Stream;
18 import org.eclipse.jdt.annotation.Nullable;
19 import org.opendaylight.mdsal.binding.api.DataBroker;
20 import org.opendaylight.mdsal.binding.api.MountPoint;
21 import org.opendaylight.mdsal.binding.api.ReadTransaction;
22 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
23 import org.opendaylight.transportpce.common.Timeouts;
24 import org.opendaylight.transportpce.common.device.DeviceTransactionManager;
25 import org.opendaylight.transportpce.common.network.NetworkTransactionService;
26 import org.opendaylight.transportpce.networkmodel.util.TopologyUtils;
27 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkutils.rev170818.InitRoadmNodesInputBuilder;
28 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev200827.Network;
29 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev200827.network.Nodes;
30 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev200827.network.NodesKey;
31 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev200827.network.nodes.CpToDegree;
32 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev200827.network.nodes.Mapping;
33 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.types.rev170929.Direction;
34 import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.org.openroadm.device.container.OrgOpenroadmDevice;
35 import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.org.openroadm.device.container.org.openroadm.device.Protocols;
36 import org.opendaylight.yang.gen.v1.http.org.openroadm.lldp.rev161014.Protocols1;
37 import org.opendaylight.yang.gen.v1.http.org.openroadm.lldp.rev161014.lldp.container.lldp.NbrList;
38 import org.opendaylight.yang.gen.v1.http.org.openroadm.lldp.rev161014.lldp.container.lldp.nbr.list.IfName;
39 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.NodeId;
40 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
41 import org.opendaylight.yangtools.yang.common.Uint8;
42 import org.slf4j.Logger;
43 import org.slf4j.LoggerFactory;
45 public class R2RLinkDiscovery {
47 private static final Logger LOG = LoggerFactory.getLogger(R2RLinkDiscovery.class);
49 private final DataBroker dataBroker;
50 private final NetworkTransactionService networkTransactionService;
51 private final DeviceTransactionManager deviceTransactionManager;
53 public R2RLinkDiscovery(final DataBroker dataBroker, DeviceTransactionManager deviceTransactionManager,
54 NetworkTransactionService networkTransactionService) {
55 this.dataBroker = dataBroker;
56 this.deviceTransactionManager = deviceTransactionManager;
57 this.networkTransactionService = networkTransactionService;
60 public boolean readLLDP(NodeId nodeId, String nodeVersion) {
62 if (nodeVersion.equals(OPENROADM_DEVICE_VERSION_1_2_1)) {
63 InstanceIdentifier<Protocols> protocolsIID = InstanceIdentifier.create(OrgOpenroadmDevice.class)
64 .child(Protocols.class);
65 Optional<Protocols> protocolObject = this.deviceTransactionManager.getDataFromDevice(nodeId.getValue(),
66 LogicalDatastoreType.OPERATIONAL, protocolsIID, Timeouts.DEVICE_READ_TIMEOUT,
67 Timeouts.DEVICE_READ_TIMEOUT_UNIT);
68 if (!protocolObject.isPresent() || (protocolObject.get().augmentation(Protocols1.class) == null)) {
69 LOG.warn("LLDP subtree is missing : isolated openroadm device");
72 NbrList nbrList = protocolObject.get().augmentation(Protocols1.class).getLldp().getNbrList();
73 LOG.info("LLDP subtree is present. Device has {} neighbours", nbrList.getIfName().size());
74 boolean success = true;
75 for (IfName ifName : nbrList.nonnullIfName().values()) {
76 if (ifName.getRemoteSysName() == null) {
77 LOG.warn("LLDP subtree neighbour is empty for nodeId: {}, ifName: {}",
78 nodeId.getValue(),ifName.getIfName());
80 Optional<MountPoint> mps = this.deviceTransactionManager.getDeviceMountPoint(ifName
82 if (!mps.isPresent()) {
83 LOG.warn("Neighbouring nodeId: {} is not mounted yet", ifName.getRemoteSysName());
84 // The controller raises a warning rather than an error because the first node to
85 // mount cannot see its neighbors yet. The link will be detected when processing
88 if (!createR2RLink(nodeId, ifName.getIfName(), ifName.getRemoteSysName(),
89 ifName.getRemotePortId())) {
90 LOG.error("Link Creation failed between {} and {} nodes.", nodeId.getValue(),
91 ifName.getRemoteSysName());
99 else if (nodeVersion.equals(OPENROADM_DEVICE_VERSION_2_2_1)) {
100 InstanceIdentifier<org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev181019.org.openroadm.device
101 .container.org.openroadm.device.Protocols> protocolsIID = InstanceIdentifier.create(org.opendaylight
102 .yang.gen.v1.http.org.openroadm.device.rev181019.org.openroadm.device.container
103 .OrgOpenroadmDevice.class).child(org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev181019
104 .org.openroadm.device.container.org.openroadm.device.Protocols.class);
105 Optional<org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev181019.org.openroadm.device
106 .container.org.openroadm.device.Protocols> protocolObject = this.deviceTransactionManager
107 .getDataFromDevice(nodeId.getValue(), LogicalDatastoreType.OPERATIONAL, protocolsIID,
108 Timeouts.DEVICE_READ_TIMEOUT, Timeouts.DEVICE_READ_TIMEOUT_UNIT);
109 if (!protocolObject.isPresent() || (protocolObject.get().augmentation(org.opendaylight.yang.gen.v1.http.org
110 .openroadm.lldp.rev181019.Protocols1.class) == null)) {
111 LOG.warn("LLDP subtree is missing : isolated openroadm device");
114 org.opendaylight.yang.gen.v1.http.org.openroadm.lldp.rev181019.lldp.container.lldp.@Nullable NbrList nbrList
115 = protocolObject.get().augmentation(org.opendaylight.yang.gen.v1.http.org.openroadm.lldp.rev181019
116 .Protocols1.class).getLldp().getNbrList();
117 LOG.info("LLDP subtree is present. Device has {} neighbours", nbrList.getIfName().size());
118 boolean success = true;
119 for (org.opendaylight.yang.gen.v1.http.org.openroadm.lldp.rev181019.lldp.container.lldp.nbr.list.IfName
120 ifName : nbrList.nonnullIfName().values()) {
121 if (ifName.getRemoteSysName() == null) {
122 LOG.warn("LLDP subtree neighbour is empty for nodeId: {}, ifName: {}",
123 nodeId.getValue(),ifName.getIfName());
125 Optional<MountPoint> mps = this.deviceTransactionManager.getDeviceMountPoint(ifName
126 .getRemoteSysName());
127 if (!mps.isPresent()) {
128 LOG.warn("Neighbouring nodeId: {} is not mounted yet", ifName.getRemoteSysName());
129 // The controller raises a warning rather than an error because the first node to
130 // mount cannot see its neighbors yet. The link will be detected when processing
131 // the neighbor node.
133 if (!createR2RLink(nodeId, ifName.getIfName(), ifName.getRemoteSysName(),
134 ifName.getRemotePortId())) {
135 LOG.error("Link Creation failed between {} and {} nodes.", nodeId, ifName
136 .getRemoteSysName());
145 LOG.error("Unable to read LLDP data for unmanaged openroadm device version");
150 public Direction getDegreeDirection(Integer degreeCounter, NodeId nodeId) {
151 InstanceIdentifier<Nodes> nodesIID = InstanceIdentifier.builder(Network.class)
152 .child(Nodes.class, new NodesKey(nodeId.getValue())).build();
153 try (ReadTransaction readTx = this.dataBroker.newReadOnlyTransaction()) {
154 Optional<Nodes> nodesObject = readTx.read(LogicalDatastoreType.CONFIGURATION, nodesIID).get();
155 if (nodesObject.isPresent() && (nodesObject.get().getMapping() != null)) {
156 Collection<Mapping> mappingList = nodesObject.get().nonnullMapping().values();
157 mappingList = mappingList.stream().filter(mp -> mp.getLogicalConnectionPoint().contains("DEG"
158 + degreeCounter)).collect(Collectors.toList());
159 if (mappingList.size() == 1) {
160 return Direction.Bidirectional;
161 } else if (mappingList.size() > 1) {
164 return Direction.NotApplicable;
167 } catch (InterruptedException | ExecutionException e) {
168 LOG.error("Failed getting Mapping data from portMapping",e);
170 return Direction.NotApplicable;
173 public boolean createR2RLink(NodeId nodeId, String interfaceName, String remoteSystemName,
174 String remoteInterfaceName) {
175 String srcTpTx = null;
176 String srcTpRx = null;
177 String destTpTx = null;
178 String destTpRx = null;
179 // Find which degree is associated with ethernet interface
180 Integer srcDegId = getDegFromInterface(nodeId, interfaceName);
181 if (srcDegId == null) {
182 LOG.error("Couldnt find degree connected to Ethernet interface for nodeId: {}", nodeId);
185 // Check whether degree is Unidirectional or Bidirectional by counting
187 // circuit-packs under degree subtree
188 Direction sourceDirection = getDegreeDirection(srcDegId, nodeId);
189 if (Direction.NotApplicable == sourceDirection) {
190 LOG.error("Couldnt find degree direction for nodeId: {} and degree: {}", nodeId, srcDegId);
192 } else if (Direction.Bidirectional == sourceDirection) {
193 srcTpTx = "DEG" + srcDegId + "-TTP-TXRX";
194 srcTpRx = "DEG" + srcDegId + "-TTP-TXRX";
196 srcTpTx = "DEG" + srcDegId + "-TTP-TX";
197 srcTpRx = "DEG" + srcDegId + "-TTP-RX";
199 // Find degree for which Ethernet interface is created on other end
200 NodeId destNodeId = new NodeId(remoteSystemName);
201 Integer destDegId = getDegFromInterface(destNodeId, remoteInterfaceName);
202 if (destDegId == null) {
203 LOG.error("Couldnt find degree connected to Ethernet interface for nodeId: {}", nodeId);
206 // Check whether degree is Unidirectional or Bidirectional by counting
208 // circuit-packs under degree subtree
209 Direction destinationDirection = getDegreeDirection(destDegId, destNodeId);
210 if (Direction.NotApplicable == destinationDirection) {
211 LOG.error("Couldnt find degree direction for nodeId: {} and degree: {}", destNodeId, destDegId);
213 } else if (Direction.Bidirectional == destinationDirection) {
214 destTpTx = "DEG" + destDegId + "-TTP-TXRX";
215 destTpRx = "DEG" + destDegId + "-TTP-TXRX";
217 destTpTx = "DEG" + destDegId + "-TTP-TX";
218 destTpRx = "DEG" + destDegId + "-TTP-RX";
222 "Found a neighbor SrcNodeId: {} , SrcDegId: {} , SrcTPId: {}, DestNodeId:{} , DestDegId: {}, DestTPId: {}",
223 nodeId.getValue(), srcDegId, srcTpTx, destNodeId, destDegId, destTpRx);
224 InitRoadmNodesInputBuilder r2rlinkBuilderAToZ = new InitRoadmNodesInputBuilder();
225 r2rlinkBuilderAToZ.setRdmANode(nodeId.getValue()).setDegANum(Uint8.valueOf(srcDegId))
226 .setTerminationPointA(srcTpTx).setRdmZNode(destNodeId.getValue()).setDegZNum(Uint8.valueOf(destDegId))
227 .setTerminationPointZ(destTpRx);
228 if (!OrdLink.createRdm2RdmLinks(r2rlinkBuilderAToZ.build(), this.dataBroker)) {
229 LOG.error("OMS Link creation failed between node: {} and nodeId: {} in A->Z direction", nodeId.getValue(),
230 destNodeId.getValue());
235 "Found a neighbor SrcNodeId: {} , SrcDegId: {}"
236 + ", SrcTPId: {}, DestNodeId:{} , DestDegId: {}, DestTPId: {}",
237 destNodeId, destDegId, destTpTx, nodeId.getValue(), srcDegId, srcTpRx);
239 InitRoadmNodesInputBuilder r2rlinkBuilderZToA = new InitRoadmNodesInputBuilder()
240 .setRdmANode(destNodeId.getValue())
241 .setDegANum(Uint8.valueOf(destDegId))
242 .setTerminationPointA(destTpTx)
243 .setRdmZNode(nodeId.getValue())
244 .setDegZNum(Uint8.valueOf(srcDegId))
245 .setTerminationPointZ(srcTpRx);
246 if (!OrdLink.createRdm2RdmLinks(r2rlinkBuilderZToA.build(), this.dataBroker)) {
247 LOG.error("OMS Link creation failed between node: {} and nodeId: {} in Z->A direction",
248 destNodeId.getValue(), nodeId.getValue());
254 public boolean deleteR2RLink(NodeId nodeId, String interfaceName, String remoteSystemName,
255 String remoteInterfaceName) {
256 String srcTpTx = null;
257 String srcTpRx = null;
258 String destTpTx = null;
259 String destTpRx = null;
260 // Find which degree is associated with ethernet interface
261 Integer srcDegId = getDegFromInterface(nodeId, interfaceName);
262 if (srcDegId == null) {
263 LOG.error("Couldnt find degree connected to Ethernet interface for nodeId: {}", nodeId);
266 // Check whether degree is Unidirectional or Bidirectional by counting number of
267 // circuit-packs under degree subtree
268 Direction sourceDirection = getDegreeDirection(srcDegId, nodeId);
269 if (Direction.NotApplicable == sourceDirection) {
270 LOG.error("Couldnt find degree direction for nodeId: {} and degree: {}", nodeId, srcDegId);
272 } else if (Direction.Bidirectional == sourceDirection) {
273 srcTpTx = "DEG" + srcDegId + "-TTP-TXRX";
274 srcTpRx = "DEG" + srcDegId + "-TTP-TXRX";
276 srcTpTx = "DEG" + srcDegId + "-TTP-TX";
277 srcTpRx = "DEG" + srcDegId + "-TTP-RX";
279 // Find degree for which Ethernet interface is created on other end
280 NodeId destNodeId = new NodeId(remoteSystemName);
281 Integer destDegId = getDegFromInterface(destNodeId, remoteInterfaceName);
282 if (destDegId == null) {
283 LOG.error("Couldnt find degree connected to Ethernet interface for nodeId: {}", nodeId);
286 // Check whether degree is Unidirectional or Bidirectional by counting number of
287 // circuit-packs under degree subtree
288 Direction destinationDirection = getDegreeDirection(destDegId, destNodeId);
289 if (Direction.NotApplicable == destinationDirection) {
290 LOG.error("Couldnt find degree direction for nodeId: {} and degree: {}", destNodeId, destDegId);
292 } else if (Direction.Bidirectional == destinationDirection) {
293 destTpTx = "DEG" + destDegId + "-TTP-TXRX";
294 destTpRx = "DEG" + destDegId + "-TTP-TXRX";
296 destTpTx = "DEG" + destDegId + "-TTP-TX";
297 destTpRx = "DEG" + destDegId + "-TTP-RX";
299 return TopologyUtils.deleteLink(nodeId.getValue() + "-" + srcDegId, destNodeId.getValue() + "-" + destDegId,
300 srcTpTx, destTpRx, networkTransactionService)
301 && TopologyUtils.deleteLink(destNodeId.getValue() + "-" + destDegId, nodeId.getValue() + "-" + srcDegId,
302 destTpTx, srcTpRx, networkTransactionService);
305 private Integer getDegFromInterface(NodeId nodeId, String interfaceName) {
306 InstanceIdentifier<Nodes> nodesIID = InstanceIdentifier.builder(Network.class)
307 .child(Nodes.class, new NodesKey(nodeId.getValue())).build();
308 try (ReadTransaction readTx = this.dataBroker.newReadOnlyTransaction()) {
309 Optional<Nodes> nodesObject = readTx.read(LogicalDatastoreType.CONFIGURATION, nodesIID).get();
310 if (nodesObject.isPresent() && (nodesObject.get().getCpToDegree() != null)) {
311 Collection<CpToDegree> cpToDeg = nodesObject.get().nonnullCpToDegree().values();
312 Stream<CpToDegree> cpToDegStream = cpToDeg.stream().filter(cp -> cp.getInterfaceName() != null)
313 .filter(cp -> cp.getInterfaceName().equals(interfaceName));
314 if (cpToDegStream != null) {
315 @SuppressWarnings("unchecked") Optional<CpToDegree> firstCpToDegree = cpToDegStream.findFirst();
316 if (firstCpToDegree.isPresent() && (firstCpToDegree != null)) {
317 LOG.debug("Found and returning {}",firstCpToDegree.get().getDegreeNumber().intValue());
318 return firstCpToDegree.get().getDegreeNumber().intValue();
320 LOG.debug("Not found so returning nothing");
324 LOG.warn("CircuitPack stream couldnt find anything for nodeId: {} and interfaceName: {}",
325 nodeId.getValue(),interfaceName);
328 LOG.warn("Could not find mapping for Interface {} for nodeId {}", interfaceName,
331 } catch (InterruptedException | ExecutionException ex) {
332 LOG.error("Unable to read mapping for Interface : {} for nodeId {}", interfaceName, nodeId, ex);