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 java.util.List;
11 import java.util.Optional;
12 import java.util.concurrent.ExecutionException;
13 import java.util.stream.Collectors;
14 import java.util.stream.Stream;
16 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
17 import org.opendaylight.controller.md.sal.binding.api.MountPoint;
18 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
19 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
20 import org.opendaylight.transportpce.common.Timeouts;
21 import org.opendaylight.transportpce.common.device.DeviceTransactionManager;
22 import org.opendaylight.transportpce.common.openroadminterfaces.OpenRoadmInterfaces;
23 import org.opendaylight.transportpce.networkmodel.util.OpenRoadmTopology;
24 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.types.rev170929.Direction;
25 import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.org.openroadm.device.container.OrgOpenroadmDevice;
26 import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.org.openroadm.device.container.org.openroadm.device.Protocols;
27 import org.opendaylight.yang.gen.v1.http.org.openroadm.lldp.rev161014.Protocols1;
28 import org.opendaylight.yang.gen.v1.http.org.openroadm.lldp.rev161014.lldp.container.lldp.NbrList;
29 import org.opendaylight.yang.gen.v1.http.org.openroadm.lldp.rev161014.lldp.container.lldp.nbr.list.IfName;
30 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev150608.NodeId;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.networkutils.rev170818.InitRoadmNodesInputBuilder;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.portmapping.rev170228.Network;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.portmapping.rev170228.network.Nodes;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.portmapping.rev170228.network.NodesKey;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.portmapping.rev170228.network.nodes.CpToDegree;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.portmapping.rev170228.network.nodes.Mapping;
37 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
38 import org.slf4j.Logger;
39 import org.slf4j.LoggerFactory;
41 public class R2RLinkDiscovery {
43 private static final Logger LOG = LoggerFactory.getLogger(R2RLinkDiscovery.class);
45 private final DataBroker dataBroker;
46 private final DeviceTransactionManager deviceTransactionManager;
47 private final OpenRoadmTopology openRoadmTopology;
48 private final OpenRoadmInterfaces openRoadmInterfaces;
50 public R2RLinkDiscovery(final DataBroker dataBroker, DeviceTransactionManager deviceTransactionManager,
51 OpenRoadmTopology openRoadmTopology, OpenRoadmInterfaces openRoadmInterfaces) {
52 this.dataBroker = dataBroker;
53 this.deviceTransactionManager = deviceTransactionManager;
54 this.openRoadmTopology = openRoadmTopology;
55 this.openRoadmInterfaces = openRoadmInterfaces;
58 public boolean readLLDP(NodeId nodeId) {
59 InstanceIdentifier<Protocols> protocolsIID = InstanceIdentifier.create(OrgOpenroadmDevice.class)
60 .child(Protocols.class);
61 Optional<Protocols> protocolObject = this.deviceTransactionManager.getDataFromDevice(nodeId.getValue(),
62 LogicalDatastoreType.OPERATIONAL, protocolsIID, Timeouts.DEVICE_READ_TIMEOUT,
63 Timeouts.DEVICE_READ_TIMEOUT_UNIT);
64 if (!protocolObject.isPresent() || (protocolObject.get().augmentation(Protocols1.class) == null)) {
65 LOG.warn("LLDP subtree is missing : isolated openroadm device");
68 NbrList nbrList = protocolObject.get().augmentation(Protocols1.class).getLldp().getNbrList();
69 LOG.info("LLDP subtree is present. Device has {} neighbours", nbrList.getIfName().size());
70 for (IfName ifName : nbrList.getIfName()) {
71 if (ifName.getRemoteSysName() == null) {
72 LOG.warn("LLDP subtree neighbour is empty for nodeId: {}, ifName: {}",
73 nodeId.getValue(),ifName.getIfName());
75 Optional<MountPoint> mps = this.deviceTransactionManager.getDeviceMountPoint(ifName.getRemoteSysName());
76 if (!mps.isPresent()) {
77 LOG.warn("Neighbouring nodeId: {} is not mounted yet", ifName.getRemoteSysName());
78 // The controller raises a warning rather than an error because the first node to
79 // mount cannot see its neighbors yet. The link will be detected when processing
82 if (!createR2RLink(nodeId, ifName.getIfName(), ifName.getRemoteSysName(),
83 ifName.getRemotePortId())) {
84 LOG.error("Link Creation failed between {} and {} nodes.", nodeId, ifName.getRemoteSysName());
93 public Direction getDegreeDirection(Integer degreeCounter, NodeId nodeId) {
94 InstanceIdentifier<Nodes> nodesIID = InstanceIdentifier.builder(Network.class)
95 .child(Nodes.class, new NodesKey(nodeId.getValue())).build();
96 try (ReadOnlyTransaction readTx = this.dataBroker.newReadOnlyTransaction()) {
97 Optional<Nodes> nodesObject = readTx.read(LogicalDatastoreType.CONFIGURATION, nodesIID)
99 if (nodesObject.isPresent() && nodesObject.get().getMapping() != null) {
100 List<Mapping> mappingList = nodesObject.get().getMapping();
101 mappingList = mappingList.stream().filter(mp -> mp.getLogicalConnectionPoint().contains("DEG"
102 + degreeCounter)).collect(Collectors.toList());
103 if (mappingList.size() == 1) {
104 return Direction.Bidirectional;
105 } else if (mappingList.size() > 1) {
108 return Direction.NotApplicable;
111 } catch (InterruptedException | ExecutionException e) {
112 LOG.error("Failed getting Mapping data from portMapping",e);
114 return Direction.NotApplicable;
117 public boolean createR2RLink(NodeId nodeId, String interfaceName, String remoteSystemName,
118 String remoteInterfaceName) {
119 String srcTpTx = null;
120 String srcTpRx = null;
121 String destTpTx = null;
122 String destTpRx = null;
123 // Find which degree is associated with ethernet interface
124 Integer srcDegId = getDegFromInterface(nodeId, interfaceName);
125 if (srcDegId == null) {
126 LOG.error("Couldnt find degree connected to Ethernet interface for nodeId: {}", nodeId);
129 // Check whether degree is Unidirectional or Bidirectional by counting
131 // circuit-packs under degree subtree
132 Direction sourceDirection = getDegreeDirection(srcDegId, nodeId);
133 if (Direction.NotApplicable == sourceDirection) {
134 LOG.error("Couldnt find degree direction for nodeId: {} and degree: {}", nodeId, srcDegId);
136 } else if (Direction.Bidirectional == sourceDirection) {
137 srcTpTx = "DEG" + srcDegId + "-TTP-TXRX";
138 srcTpRx = "DEG" + srcDegId + "-TTP-TXRX";
140 srcTpTx = "DEG" + srcDegId + "-TTP-TX";
141 srcTpRx = "DEG" + srcDegId + "-TTP-RX";
143 // Find degree for which Ethernet interface is created on other end
144 NodeId destNodeId = new NodeId(remoteSystemName);
145 Integer destDegId = getDegFromInterface(destNodeId, remoteInterfaceName);
146 if (destDegId == null) {
147 LOG.error("Couldnt find degree connected to Ethernet interface for nodeId: {}", nodeId);
150 // Check whether degree is Unidirectional or Bidirectional by counting
152 // circuit-packs under degree subtree
153 Direction destinationDirection = getDegreeDirection(destDegId, destNodeId);
154 if (Direction.NotApplicable == destinationDirection) {
155 LOG.error("Couldnt find degree direction for nodeId: {} and degree: {}", destNodeId, destDegId);
157 } else if (Direction.Bidirectional == destinationDirection) {
158 destTpTx = "DEG" + destDegId + "-TTP-TXRX";
159 destTpRx = "DEG" + destDegId + "-TTP-TXRX";
161 destTpTx = "DEG" + destDegId + "-TTP-TX";
162 destTpRx = "DEG" + destDegId + "-TTP-RX";
166 "Found a neighbor SrcNodeId: {} , SrcDegId: {} , SrcTPId: {}, DestNodeId:{} , DestDegId: {}, DestTPId: {}",
167 nodeId.getValue(), srcDegId, srcTpTx, destNodeId, destDegId, destTpRx);
168 InitRoadmNodesInputBuilder r2rlinkBuilderAToZ = new InitRoadmNodesInputBuilder();
169 r2rlinkBuilderAToZ.setRdmANode(nodeId.getValue()).setDegANum(srcDegId.shortValue())
170 .setTerminationPointA(srcTpTx).setRdmZNode(destNodeId.getValue()).setDegZNum(destDegId.shortValue())
171 .setTerminationPointZ(destTpRx);
172 if (!OrdLink.createRdm2RdmLinks(r2rlinkBuilderAToZ.build(), this.openRoadmTopology, this.dataBroker)) {
173 LOG.error("OMS Link creation failed between node: {} and nodeId: {} in A->Z direction", nodeId.getValue(),
174 destNodeId.getValue());
179 "Found a neighbor SrcNodeId: {} , SrcDegId: {}"
180 + ", SrcTPId: {}, DestNodeId:{} , DestDegId: {}, DestTPId: {}",
181 destNodeId, destDegId, destTpTx, nodeId.getValue(), srcDegId, srcTpRx);
183 InitRoadmNodesInputBuilder r2rlinkBuilderZToA = new InitRoadmNodesInputBuilder();
184 r2rlinkBuilderZToA.setRdmANode(destNodeId.getValue()).setDegANum(destDegId.shortValue())
185 .setTerminationPointA(destTpTx).setRdmZNode(nodeId.getValue()).setDegZNum(srcDegId.shortValue())
186 .setTerminationPointZ(srcTpRx);
187 if (!OrdLink.createRdm2RdmLinks(r2rlinkBuilderZToA.build(), this.openRoadmTopology, this.dataBroker)) {
188 LOG.error("OMS Link creation failed between node: {} and nodeId: {} in Z->A direction",
189 destNodeId.getValue(), nodeId.getValue());
195 public boolean deleteR2RLink(NodeId nodeId, String interfaceName, String remoteSystemName,
196 String remoteInterfaceName) {
197 String srcTpTx = null;
198 String srcTpRx = null;
199 String destTpTx = null;
200 String destTpRx = null;
201 // Find which degree is associated with ethernet interface
202 Integer srcDegId = getDegFromInterface(nodeId, interfaceName);
203 if (srcDegId == null) {
204 LOG.error("Couldnt find degree connected to Ethernet interface for nodeId: {}", nodeId);
207 // Check whether degree is Unidirectional or Bidirectional by counting number of
208 // circuit-packs under degree subtree
209 Direction sourceDirection = getDegreeDirection(srcDegId, nodeId);
210 if (Direction.NotApplicable == sourceDirection) {
211 LOG.error("Couldnt find degree direction for nodeId: {} and degree: {}", nodeId, srcDegId);
213 } else if (Direction.Bidirectional == sourceDirection) {
214 srcTpTx = "DEG" + srcDegId + "-TTP-TXRX";
215 srcTpRx = "DEG" + srcDegId + "-TTP-TXRX";
217 srcTpTx = "DEG" + srcDegId + "-TTP-TX";
218 srcTpRx = "DEG" + srcDegId + "-TTP-RX";
220 // Find degree for which Ethernet interface is created on other end
221 NodeId destNodeId = new NodeId(remoteSystemName);
222 Integer destDegId = getDegFromInterface(destNodeId, remoteInterfaceName);
223 if (destDegId == null) {
224 LOG.error("Couldnt find degree connected to Ethernet interface for nodeId: {}", nodeId);
227 // Check whether degree is Unidirectional or Bidirectional by counting number of
228 // circuit-packs under degree subtree
229 Direction destinationDirection = getDegreeDirection(destDegId, destNodeId);
230 if (Direction.NotApplicable == destinationDirection) {
231 LOG.error("Couldnt find degree direction for nodeId: {} and degree: {}", destNodeId, destDegId);
233 } else if (Direction.Bidirectional == destinationDirection) {
234 destTpTx = "DEG" + destDegId + "-TTP-TXRX";
235 destTpRx = "DEG" + destDegId + "-TTP-TXRX";
237 destTpTx = "DEG" + destDegId + "-TTP-TX";
238 destTpRx = "DEG" + destDegId + "-TTP-RX";
240 return this.openRoadmTopology.deleteLink(nodeId.getValue(), destNodeId.getValue(),
241 srcDegId, destDegId, srcTpTx, destTpRx)
242 && this.openRoadmTopology.deleteLink(destNodeId.getValue(), nodeId.getValue(),
243 destDegId, srcDegId, destTpTx, srcTpRx);
246 private Integer getDegFromInterface(NodeId nodeId, String interfaceName) {
247 InstanceIdentifier<Nodes> nodesIID = InstanceIdentifier.builder(Network.class)
248 .child(Nodes.class, new NodesKey(nodeId.getValue())).build();
249 try (ReadOnlyTransaction readTx = this.dataBroker.newReadOnlyTransaction()) {
250 Optional<Nodes> nodesObject = readTx.read(LogicalDatastoreType.CONFIGURATION, nodesIID)
252 if (nodesObject.isPresent() && nodesObject.get().getCpToDegree() != null) {
253 List<CpToDegree> cpToDeg = nodesObject.get().getCpToDegree();
254 Stream cpToDegStream = cpToDeg.stream().filter(cp -> cp.getInterfaceName() != null)
255 .filter(cp -> cp.getInterfaceName().equals(interfaceName));
256 if (cpToDegStream != null) {
257 Optional<CpToDegree> firstCpToDegree = cpToDegStream.findFirst();
258 if (firstCpToDegree.isPresent() && firstCpToDegree != null) {
259 LOG.debug("Found and returning {}",firstCpToDegree.get().getDegreeNumber().intValue());
260 return firstCpToDegree.get().getDegreeNumber().intValue();
262 LOG.debug("Not found so returning nothing");
266 LOG.warn("CircuitPack stream couldnt find anything for nodeId: {} and interfaceName: {}",
267 nodeId.getValue(),interfaceName);
270 LOG.warn("Could not find mapping for Interface {} for nodeId {}", interfaceName,
273 } catch (InterruptedException | ExecutionException ex) {
274 LOG.error("Unable to read mapping for Interface : {} for nodeId {}", interfaceName, nodeId, ex);