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