2 * Copyright © 2017 AT&T, Inc. 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.pce.service;
10 import com.google.common.util.concurrent.ListenableFuture;
11 import com.google.common.util.concurrent.ListeningExecutorService;
12 import com.google.common.util.concurrent.MoreExecutors;
14 import java.util.ArrayList;
15 import java.util.List;
16 import java.util.concurrent.Callable;
17 import java.util.concurrent.Executors;
19 import org.opendaylight.mdsal.binding.api.NotificationPublishService;
20 import org.opendaylight.transportpce.common.network.NetworkTransactionService;
21 import org.opendaylight.transportpce.pce.PceComplianceCheck;
22 import org.opendaylight.transportpce.pce.PceComplianceCheckResult;
23 import org.opendaylight.transportpce.pce.PceSendingPceRPCs;
24 import org.opendaylight.transportpce.pce.gnpy.GnpyResult;
25 import org.opendaylight.yang.gen.v1.gnpy.path.rev190502.result.Response;
26 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev200128.CancelResourceReserveInput;
27 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev200128.CancelResourceReserveOutput;
28 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev200128.CancelResourceReserveOutputBuilder;
29 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev200128.PathComputationRequestInput;
30 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev200128.PathComputationRequestOutput;
31 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev200128.PathComputationRequestOutputBuilder;
32 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev200128.ServicePathRpcResult;
33 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev200128.ServicePathRpcResultBuilder;
34 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev200128.gnpy.GnpyResponse;
35 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev200128.gnpy.GnpyResponseBuilder;
36 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev200128.gnpy.gnpy.response.ResponseType;
37 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev200128.gnpy.gnpy.response.response.type.NoPathCase;
38 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev200128.gnpy.gnpy.response.response.type.NoPathCaseBuilder;
39 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev200128.gnpy.gnpy.response.response.type.PathCase;
40 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev200128.gnpy.gnpy.response.response.type.PathCaseBuilder;
41 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev200128.path.performance.PathProperties;
42 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev200128.path.performance.PathPropertiesBuilder;
43 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev200128.path.performance.path.properties.PathMetric;
44 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev200128.path.performance.path.properties.PathMetricBuilder;
45 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev200128.service.path.rpc.result.PathDescription;
46 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev200128.service.path.rpc.result.PathDescriptionBuilder;
47 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.service.types.rev190531.configuration.response.common.ConfigurationResponseCommonBuilder;
48 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.path.description.AToZDirection;
49 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.path.description.ZToADirection;
50 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev200128.RpcStatusEx;
51 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev200128.ServicePathNotificationTypes;
52 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev200128.response.parameters.sp.ResponseParametersBuilder;
53 import org.slf4j.Logger;
54 import org.slf4j.LoggerFactory;
56 public class PathComputationServiceImpl implements PathComputationService {
58 private static final Logger LOG = LoggerFactory.getLogger(PathComputationServiceImpl.class);
59 private final NotificationPublishService notificationPublishService;
60 private NetworkTransactionService networkTransactionService;
61 private final ListeningExecutorService executor;
62 ServicePathRpcResult notification = null;
64 public PathComputationServiceImpl(NetworkTransactionService networkTransactionService,
65 NotificationPublishService notificationPublishService) {
66 this.notificationPublishService = notificationPublishService;
67 this.networkTransactionService = networkTransactionService;
68 this.executor = MoreExecutors.listeningDecorator(Executors.newFixedThreadPool(5));
79 private void sendNotifications(ServicePathNotificationTypes servicePathNotificationTypes, String serviceName,
80 RpcStatusEx rpcStatusEx, String message, PathDescription pathDescription) {
81 ServicePathRpcResultBuilder servicePathRpcResultBuilder =
82 new ServicePathRpcResultBuilder().setNotificationType(servicePathNotificationTypes)
83 .setServiceName(serviceName).setStatus(rpcStatusEx).setStatusMessage(message);
84 if (pathDescription != null) {
85 servicePathRpcResultBuilder.setPathDescription(pathDescription);
87 this.notification = servicePathRpcResultBuilder.build();
89 notificationPublishService.putNotification(this.notification);
90 } catch (InterruptedException e) {
91 LOG.info("notification offer rejected : ", e.getMessage());
96 public ListenableFuture<CancelResourceReserveOutput> cancelResourceReserve(CancelResourceReserveInput input) {
97 LOG.info("cancelResourceReserve");
98 return executor.submit(new Callable<CancelResourceReserveOutput>() {
101 public CancelResourceReserveOutput call() throws Exception {
103 sendNotifications(ServicePathNotificationTypes.CancelResourceReserve, input.getServiceName(),
104 RpcStatusEx.Pending, "Service compliant, submitting cancelResourceReserve Request ...", null);
105 PceSendingPceRPCs sendingPCE = new PceSendingPceRPCs();
106 sendingPCE.cancelResourceReserve();
107 if (sendingPCE.getSuccess()) {
108 message = "ResourceReserve cancelled !";
110 message = "Cancelling ResourceReserve failed !";
113 sendNotifications(ServicePathNotificationTypes.CancelResourceReserve, input.getServiceName(),
114 RpcStatusEx.Successful, "cancel Resource Reserve successful!", null);
115 ConfigurationResponseCommonBuilder configurationResponseCommon =
116 new ConfigurationResponseCommonBuilder();
117 configurationResponseCommon.setAckFinalIndicator("Yes")
118 .setRequestId(input.getServiceHandlerHeader().getRequestId()).setResponseCode("200")
119 .setResponseMessage("");
120 CancelResourceReserveOutputBuilder output = new CancelResourceReserveOutputBuilder();
121 output.setConfigurationResponseCommon(configurationResponseCommon.build());
122 return output.build();
128 public ListenableFuture<PathComputationRequestOutput> pathComputationRequest(PathComputationRequestInput input) {
129 LOG.info("pathComputationRequest");
130 return executor.submit(new Callable<PathComputationRequestOutput>() {
133 public PathComputationRequestOutput call() throws Exception {
134 PathComputationRequestOutputBuilder output = new PathComputationRequestOutputBuilder();
135 ConfigurationResponseCommonBuilder configurationResponseCommon =
136 new ConfigurationResponseCommonBuilder();
137 PceComplianceCheckResult check = PceComplianceCheck.check(input);
138 if (!check.hasPassed()) {
139 LOG.error("Path not calculated, service not compliant : {}", check.getMessage());
140 sendNotifications(ServicePathNotificationTypes.PathComputationRequest, input.getServiceName(),
141 RpcStatusEx.Failed, "Path not calculated, service not compliant", null);
142 configurationResponseCommon.setAckFinalIndicator("Yes")
143 .setRequestId(input.getServiceHandlerHeader().getRequestId())
144 .setResponseCode("Path not calculated").setResponseMessage(check.getMessage());
145 output.setConfigurationResponseCommon(configurationResponseCommon.build())
146 .setResponseParameters(null);
147 return output.build();
149 sendNotifications(ServicePathNotificationTypes.PathComputationRequest, input.getServiceName(),
150 RpcStatusEx.Pending, "Service compliant, submitting pathComputation Request ...", null);
152 String responseCode = "";
153 PceSendingPceRPCs sendingPCE = new PceSendingPceRPCs(input, networkTransactionService);
154 sendingPCE.pathComputation();
155 message = sendingPCE.getMessage();
156 responseCode = sendingPCE.getResponseCode();
157 PathDescriptionBuilder path = null;
158 path = sendingPCE.getPathDescription();
159 LOG.info("PCE response: {} {}", message, responseCode);
161 //add the GNPy result
162 GnpyResult gnpyAtoZ = sendingPCE.getGnpyAtoZ();
163 GnpyResult gnpyZtoA = sendingPCE.getGnpyZtoA();
164 List<GnpyResponse> listResponse = new ArrayList<>();
165 if (gnpyAtoZ != null) {
166 GnpyResponse respAtoZ = generateGnpyResponse(gnpyAtoZ.getResponse(),"A-to-Z");
167 listResponse.add(respAtoZ);
169 if (gnpyZtoA != null) {
170 GnpyResponse respZtoA = generateGnpyResponse(gnpyZtoA.getResponse(),"Z-to-A");
171 listResponse.add(respZtoA);
173 output.setGnpyResponse(listResponse);
175 if (!(sendingPCE.getSuccess()) || (path == null)) {
176 configurationResponseCommon.setAckFinalIndicator("Yes")
177 .setRequestId(input.getServiceHandlerHeader().getRequestId()).setResponseCode(responseCode)
178 .setResponseMessage(message);
179 output.setConfigurationResponseCommon(configurationResponseCommon.build());
180 sendNotifications(ServicePathNotificationTypes.PathComputationRequest, input.getServiceName(),
181 RpcStatusEx.Failed, "Path not calculated", null);
182 return output.build();
184 // Path calculator returned Success
185 configurationResponseCommon.setAckFinalIndicator("Yes")
186 .setRequestId(input.getServiceHandlerHeader().getRequestId()).setResponseCode(responseCode)
187 .setResponseMessage(message);
188 PathDescription pathDescription = new org.opendaylight.yang.gen.v1.http.org.opendaylight
189 .transportpce.pce.rev200128.service.path.rpc.result.PathDescriptionBuilder()
190 .setAToZDirection(path.getAToZDirection()).setZToADirection(path.getZToADirection())
192 sendNotifications(ServicePathNotificationTypes.PathComputationRequest, input.getServiceName(),
193 RpcStatusEx.Successful, message, pathDescription);
194 org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev200128.response
195 .parameters.sp.response.parameters.PathDescription pathDescription1 = new org.opendaylight.yang.gen
196 .v1.http.org.transportpce.b.c._interface.service.types.rev200128.response.parameters.sp
197 .response.parameters.PathDescriptionBuilder()
198 .setAToZDirection(path.getAToZDirection()).setZToADirection(path.getZToADirection())
200 ResponseParametersBuilder rpb = new ResponseParametersBuilder().setPathDescription(pathDescription1);
201 output.setConfigurationResponseCommon(configurationResponseCommon.build())
202 .setResponseParameters(rpb.build());
205 AToZDirection atoz = pathDescription.getAToZDirection();
206 if ((atoz != null) && (atoz.getAToZ() != null)) {
207 LOG.debug("Impl AtoZ Notification: [{}] elements in description", atoz.getAToZ().size());
208 for (int i = 0; i < atoz.getAToZ().size(); i++) {
209 LOG.debug("Impl AtoZ Notification: [{}] {}", i, atoz.getAToZ().get(i));
212 ZToADirection ztoa = pathDescription.getZToADirection();
213 if ((ztoa != null) && (ztoa.getZToA() != null)) {
214 LOG.debug("Impl ZtoA Notification: [{}] elements in description", ztoa.getZToA().size());
215 for (int i = 0; i < ztoa.getZToA().size(); i++) {
216 LOG.debug("Impl ZtoA Notification: [{}] {}", i, ztoa.getZToA().get(i));
219 return output.build();
224 public GnpyResponse generateGnpyResponse(Response responseGnpy, String pathDir) {
225 ResponseType respType = null;
226 boolean feasible = true;
227 if (responseGnpy != null) {
228 if (responseGnpy.getResponseType() instanceof org.opendaylight.yang.gen.v1.gnpy.path.rev190502.result
229 .response.response.type.NoPathCase) {
230 LOG.info("GNPy : path is not feasible");
231 org.opendaylight.yang.gen.v1.gnpy.path.rev190502.result.response.response.type.NoPathCase
232 noPathGnpy = (org.opendaylight.yang.gen.v1.gnpy.path.rev190502.result.response.response.type
233 .NoPathCase) responseGnpy.getResponseType();
234 NoPathCase noPathCase = new NoPathCaseBuilder().setNoPath(noPathGnpy.getNoPath()).build();
235 respType = noPathCase;
237 } else if (responseGnpy.getResponseType() instanceof org.opendaylight.yang.gen.v1.gnpy.path.rev190502.result
238 .response.response.type.PathCase) {
239 LOG.info("GNPy : path is feasible");
240 org.opendaylight.yang.gen.v1.gnpy.path.rev190502.result.response.response.type.PathCase pathCase =
241 (org.opendaylight.yang.gen.v1.gnpy.path.rev190502.result.response.response.type.PathCase)
242 responseGnpy.getResponseType();
243 List<org.opendaylight.yang.gen.v1.gnpy.path.rev190502.generic.path.properties.path.properties
244 .PathMetric> pathMetricList = pathCase.getPathProperties().getPathMetric();
245 List<PathMetric> gnpyPathMetricList = new ArrayList<>();
246 for (org.opendaylight.yang.gen.v1.gnpy.path.rev190502.generic.path.properties.path.properties.PathMetric
247 pathMetricGnpy : pathMetricList) {
248 PathMetric pathMetric = new PathMetricBuilder().setMetricType(pathMetricGnpy.getMetricType())
249 .setAccumulativeValue(pathMetricGnpy.getAccumulativeValue()).build();
250 gnpyPathMetricList.add(pathMetric);
252 PathProperties pathProperties = new PathPropertiesBuilder().setPathMetric(gnpyPathMetricList).build();
253 PathCase gnpyPathCase = new PathCaseBuilder().setPathProperties(pathProperties).build();
254 respType = gnpyPathCase;
258 GnpyResponse gnpypResp = new GnpyResponseBuilder().setPathDir(pathDir).setResponseType(respType)
259 .setFeasibility(feasible).build();