servicehandler/src/main/java/org/opendaylight/transportpce/servicehandler/stub/StubPceServiceOperations.java

   1 /*
   2  * Copyright © 2017 Orange, Inc. and others.  All rights reserved.
   3  *
   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
   7  */
   8 package org.opendaylight.transportpce.servicehandler.stub;
   9
  10 import com.google.common.util.concurrent.ListenableFuture;
  11 import com.google.common.util.concurrent.ListeningExecutorService;
  12 import com.google.common.util.concurrent.MoreExecutors;
  13
  14 import java.util.concurrent.Callable;
  15 import java.util.concurrent.Executors;
  16
  17 import org.opendaylight.mdsal.binding.api.NotificationPublishService;
  18 import org.opendaylight.transportpce.common.ResponseCodes;
  19 import org.opendaylight.transportpce.pce.service.PathComputationService;
  20 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev190624.CancelResourceReserveInput;
  21 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev190624.CancelResourceReserveOutput;
  22 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev190624.CancelResourceReserveOutputBuilder;
  23 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev190624.PathComputationRequestInput;
  24 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev190624.PathComputationRequestOutput;
  25 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev190624.PathComputationRequestOutputBuilder;
  26 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev190624.ServicePathRpcResult;
  27 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev190624.ServicePathRpcResultBuilder;
  28 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev190624.service.path.rpc.result.PathDescription;
  29 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev190624.service.path.rpc.result.PathDescriptionBuilder;
  30 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.service.types.rev161014.configuration.response.common.ConfigurationResponseCommon;
  31 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.service.types.rev161014.configuration.response.common.ConfigurationResponseCommonBuilder;
  32 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.path.description.AToZDirection;
  33 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.path.description.AToZDirectionBuilder;
  34 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.path.description.ZToADirection;
  35 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.path.description.ZToADirectionBuilder;
  36 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev191009.RpcStatusEx;
  37 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev191009.ServicePathNotificationTypes;
  38 import org.opendaylight.yangtools.yang.binding.Notification;
  39 import org.slf4j.Logger;
  40 import org.slf4j.LoggerFactory;
  41
  42 public class StubPceServiceOperations implements PathComputationService {
  43
  44     private static final Logger LOG = LoggerFactory.getLogger(StubPceServiceOperations.class);
  45     private final NotificationPublishService notificationPublishService;
  46     private Boolean pceFailed;
  47     private final ListeningExecutorService executor;
  48
  49     public StubPceServiceOperations(NotificationPublishService notificationPublishService) {
  50         this.notificationPublishService = notificationPublishService;
  51         executor = MoreExecutors.listeningDecorator(Executors.newFixedThreadPool(2));
  52         this.pceFailed = false;
  53     }
  54
  55     private void sendNotifications(Notification notif) {
  56         try {
  57             LOG.info("putting notification : {}", notif);
  58             notificationPublishService.putNotification(notif);
  59         } catch (InterruptedException e) {
  60             LOG.info("notification offer rejected : ", e.getMessage());
  61         }
  62     }
  63
  64     @Override
  65     public ListenableFuture<CancelResourceReserveOutput> cancelResourceReserve(CancelResourceReserveInput input) {
  66         return executor.submit(new Callable<CancelResourceReserveOutput>() {
  67             @Override
  68             public CancelResourceReserveOutput call() throws Exception {
  69                 String serviceName = input.getServiceName();
  70                 RpcStatusEx rpcStatusEx = RpcStatusEx.Pending;
  71                 ServicePathRpcResult notification = new ServicePathRpcResultBuilder()
  72                         .setNotificationType(ServicePathNotificationTypes.CancelResourceReserve)
  73                         .setServiceName(serviceName).setStatus(rpcStatusEx)
  74                         .setStatusMessage("Service compliant, submitting cancel resource Request ...").build();
  75                 sendNotifications(notification);
  76                 String message = "";
  77                 String responseCode = null;
  78                 ConfigurationResponseCommon configurationResponseCommon = null;
  79                 CancelResourceReserveOutput output = null;
  80                 try {
  81                     LOG.info("Wait for 5s til beginning the PCE cancel resource request");
  82                     Thread.sleep(5000);
  83                 } catch (InterruptedException e) {
  84                     message = "path computation service failed !";
  85                     LOG.error("path computation service failed !", e);
  86                     responseCode = ResponseCodes.RESPONSE_FAILED;
  87                     rpcStatusEx = RpcStatusEx.Failed;
  88                     notification = new ServicePathRpcResultBuilder()
  89                             .setNotificationType(ServicePathNotificationTypes.CancelResourceReserve)
  90                             .setStatus(rpcStatusEx).setStatusMessage(message).setServiceName(serviceName).build();
  91                     sendNotifications(notification);
  92                     configurationResponseCommon =
  93                             new ConfigurationResponseCommonBuilder().setAckFinalIndicator(ResponseCodes.FINAL_ACK_YES)
  94                                     .setRequestId(input.getServiceHandlerHeader().getRequestId())
  95                                     .setResponseCode(responseCode).setResponseMessage(message).build();
  96                     output = new CancelResourceReserveOutputBuilder()
  97                             .setConfigurationResponseCommon(configurationResponseCommon).build();
  98                 }
  99                 if (pceFailed) {
 100                     LOG.info("forcing pce to fail");
 101                     message = "pce failed !";
 102                     rpcStatusEx = RpcStatusEx.Failed;
 103                     LOG.error(message);
 104                     responseCode = ResponseCodes.RESPONSE_FAILED;
 105                 } else {
 106                     message = "path computated !";
 107                     rpcStatusEx = RpcStatusEx.Successful;
 108                     LOG.error(message);
 109                     responseCode = ResponseCodes.RESPONSE_OK;
 110                 }
 111                 notification = new ServicePathRpcResultBuilder()
 112                         .setNotificationType(ServicePathNotificationTypes.CancelResourceReserve)
 113                         .setStatus(RpcStatusEx.Successful).setStatusMessage(message)
 114                         .setServiceName(serviceName).build();
 115                 sendNotifications(notification);
 116                 configurationResponseCommon =
 117                         new ConfigurationResponseCommonBuilder().setAckFinalIndicator(ResponseCodes.FINAL_ACK_YES)
 118                                 .setRequestId(input.getServiceHandlerHeader().getRequestId())
 119                                 .setResponseCode(responseCode).setResponseMessage(message).build();
 120                 output = new CancelResourceReserveOutputBuilder()
 121                         .setConfigurationResponseCommon(configurationResponseCommon).build();
 122                 return output;
 123             }
 124         });
 125
 126     }
 127
 128     @Override
 129     public ListenableFuture<PathComputationRequestOutput> pathComputationRequest(PathComputationRequestInput input) {
 130         return executor.submit(new Callable<PathComputationRequestOutput>() {
 131             @Override
 132             public PathComputationRequestOutput call() throws Exception {
 133                 String serviceName = input.getServiceName();
 134                 RpcStatusEx rpcStatusEx = RpcStatusEx.Pending;
 135                 ServicePathRpcResult notification = new ServicePathRpcResultBuilder()
 136                         .setNotificationType(ServicePathNotificationTypes.PathComputationRequest)
 137                         .setServiceName(serviceName).setStatus(rpcStatusEx)
 138                         .setStatusMessage("Service compliant, submitting pathComputation Request ...").build();
 139                 sendNotifications(notification);
 140                 String message = "";
 141                 String responseCode = null;
 142                 ConfigurationResponseCommon configurationResponseCommon = null;
 143                 PathComputationRequestOutput output = null;
 144                 try {
 145                     LOG.info("Wait for 5s til beginning the PCE pathComputation request");
 146                     Thread.sleep(5000);
 147                 } catch (InterruptedException e) {
 148                     message = "path computation service failed !";
 149                     LOG.error("path computation service failed !", e);
 150                     responseCode = ResponseCodes.RESPONSE_FAILED;
 151                     rpcStatusEx = RpcStatusEx.Failed;
 152                     notification = new ServicePathRpcResultBuilder()
 153                             .setNotificationType(ServicePathNotificationTypes.PathComputationRequest)
 154                             .setStatus(rpcStatusEx).setStatusMessage(message).setServiceName(serviceName).build();
 155                     sendNotifications(notification);
 156                     configurationResponseCommon =
 157                             new ConfigurationResponseCommonBuilder().setAckFinalIndicator(ResponseCodes.FINAL_ACK_YES)
 158                                     .setRequestId(input.getServiceHandlerHeader().getRequestId())
 159                                     .setResponseCode(responseCode).setResponseMessage(message).build();
 160                     output = new PathComputationRequestOutputBuilder()
 161                             .setConfigurationResponseCommon(configurationResponseCommon).build();
 162                 }
 163                 PathDescription value;
 164                 if (pceFailed) {
 165                     value = null;
 166                     LOG.info("forcing pce to fail");
 167                     message = "pce failed !";
 168                     rpcStatusEx = RpcStatusEx.Failed;
 169                     LOG.error(message);
 170                     responseCode = ResponseCodes.RESPONSE_FAILED;
 171                 } else {
 172                     value = createPathDescription(0L, 5L, 0L, 5L);
 173                     message = "path computated !";
 174                     rpcStatusEx = RpcStatusEx.Successful;
 175                     LOG.error(message);
 176                     responseCode = ResponseCodes.RESPONSE_OK;
 177                 }
 178                 notification = new ServicePathRpcResultBuilder()
 179                         .setNotificationType(ServicePathNotificationTypes.PathComputationRequest)
 180                         .setPathDescription(value)
 181                         .setStatus(rpcStatusEx).setStatusMessage(message)
 182                         .setServiceName(serviceName).build();
 183                 sendNotifications(notification);
 184                 configurationResponseCommon =
 185                         new ConfigurationResponseCommonBuilder().setAckFinalIndicator(ResponseCodes.FINAL_ACK_YES)
 186                                 .setRequestId(input.getServiceHandlerHeader().getRequestId())
 187                                 .setResponseCode(responseCode)
 188                                 .setResponseMessage(message).build();
 189                 output = new PathComputationRequestOutputBuilder()
 190                         .setConfigurationResponseCommon(configurationResponseCommon).build();
 191                 return output;
 192             }
 193         });
 194     }
 195
 196     private static PathDescription createPathDescription(long azRate, long azWaveLength, long zaRate,
 197             long zaWaveLength) {
 198         AToZDirection atozDirection =
 199                 new AToZDirectionBuilder().setRate(azRate).setAToZWavelengthNumber(azWaveLength).setAToZ(null).build();
 200         ZToADirection ztoaDirection =
 201                 new ZToADirectionBuilder().setRate(zaRate).setZToAWavelengthNumber(zaWaveLength).setZToA(null).build();
 202         PathDescription pathDescription =
 203                 new PathDescriptionBuilder().setAToZDirection(atozDirection).setZToADirection(ztoaDirection).build();
 204         return pathDescription;
 205     }
 206
 207     public void setPceFailed(Boolean pceFailed) {
 208         this.pceFailed = pceFailed;
 209     }
 210 }