pce/src/main/java/org/opendaylight/transportpce/pce/service/PathComputationServiceImpl.java

   1 /*
   2  * Copyright © 2017 AT&T, 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.pce.service;
   9
  10 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  11 import org.opendaylight.controller.md.sal.binding.api.NotificationPublishService;
  12 import org.opendaylight.transportpce.pce.PceComplianceCheck;
  13 import org.opendaylight.transportpce.pce.PceComplianceCheckResult;
  14 import org.opendaylight.transportpce.pce.PceSendingPceRPCs;
  15 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev170426.CancelResourceReserveInput;
  16 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev170426.CancelResourceReserveOutput;
  17 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev170426.CancelResourceReserveOutputBuilder;
  18 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev170426.PathComputationRequestInput;
  19 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev170426.PathComputationRequestOutput;
  20 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev170426.PathComputationRequestOutputBuilder;
  21 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev170426.ServicePathRpcResult;
  22 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev170426.ServicePathRpcResultBuilder;
  23 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev170426.service.path.rpc.result.PathDescription;
  24 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.service.types.rev161014.configuration.response.common.ConfigurationResponseCommonBuilder;
  25 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev170426.path.description.AToZDirection;
  26 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev170426.path.description.ZToADirection;
  27 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev170426.RpcStatusEx;
  28 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev170426.ServicePathNotificationTypes;
  29 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev170426.response.parameters.sp.ResponseParametersBuilder;
  30 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev170426.response.parameters.sp.response.parameters.PathDescriptionBuilder;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 public class PathComputationServiceImpl implements PathComputationService {
  35
  36     private static final Logger LOG = LoggerFactory.getLogger(PathComputationServiceImpl.class);
  37
  38     private final NotificationPublishService notificationPublishService;
  39     private final DataBroker dataBroker;
  40
  41     public PathComputationServiceImpl(DataBroker dataBroker,
  42                                       NotificationPublishService notificationPublishService) {
  43         this.notificationPublishService = notificationPublishService;
  44         this.dataBroker = dataBroker;
  45     }
  46
  47     public void init() {
  48         LOG.info("init ...");
  49     }
  50
  51     public void close() {
  52         LOG.info("close.");
  53     }
  54
  55     @Override
  56     public CancelResourceReserveOutput cancelResourceReserve(CancelResourceReserveInput input) {
  57         LOG.info("cancelResourceReserve");
  58         String message = "";
  59
  60         ServicePathRpcResult notification = new ServicePathRpcResultBuilder()
  61                 .setNotificationType(ServicePathNotificationTypes.CancelResourceReserve)
  62                 .setServiceName(input.getServiceName())
  63                 .setStatus(RpcStatusEx.Pending)
  64                 .setStatusMessage("Service compliant, submitting cancelResourceReserve Request ...")
  65                 .build();
  66         try {
  67             notificationPublishService.putNotification(notification);
  68         } catch (InterruptedException e) {
  69             LOG.info("notification offer rejected : ", e.getMessage());
  70         }
  71
  72         PceSendingPceRPCs sendingPCE = new PceSendingPceRPCs();
  73         sendingPCE.cancelResourceReserve();
  74         if (sendingPCE.getSuccess()) {
  75             message = "ResourceReserve cancelled !";
  76         } else {
  77             message = "Cancelling ResourceReserve failed !";
  78         }
  79         LOG.info(message);
  80         ConfigurationResponseCommonBuilder configurationResponseCommon = new ConfigurationResponseCommonBuilder();
  81         configurationResponseCommon
  82                 .setAckFinalIndicator("Yes")
  83                 .setRequestId(input.getServiceHandlerHeader().getRequestId())
  84                 .setResponseCode("200")
  85                 .setResponseMessage("")
  86                 .setResponseMessage(message);
  87         CancelResourceReserveOutputBuilder output  = new CancelResourceReserveOutputBuilder();
  88         output.setConfigurationResponseCommon(configurationResponseCommon.build());
  89         return output.build();
  90     }
  91
  92     @Override
  93     public PathComputationRequestOutput pathComputationRequest(PathComputationRequestInput input) {
  94         LOG.info("pathComputationRequest");
  95
  96         PathComputationRequestOutputBuilder output = new PathComputationRequestOutputBuilder();
  97         ConfigurationResponseCommonBuilder configurationResponseCommon = new ConfigurationResponseCommonBuilder();
  98
  99         PceComplianceCheckResult check = PceComplianceCheck.check(input);
 100         if (!check.hasPassed()) {
 101             configurationResponseCommon
 102                     .setAckFinalIndicator("Yes")
 103                     .setRequestId(input.getServiceHandlerHeader().getRequestId())
 104                     .setResponseCode("Path not calculated")
 105                     .setResponseMessage(check.getMessage());
 106
 107
 108             output.setConfigurationResponseCommon(configurationResponseCommon.build())
 109                     .setResponseParameters(null);
 110
 111             return output.build();
 112         }
 113         ServicePathRpcResult notification = new ServicePathRpcResultBuilder()
 114                 .setNotificationType(ServicePathNotificationTypes.PathComputationRequest)
 115                 .setServiceName(input.getServiceName())
 116                 .setStatus(RpcStatusEx.Pending)
 117                 .setStatusMessage("Service compliant, submitting pathComputation Request ...")
 118                 .build();
 119         try {
 120             notificationPublishService.putNotification(notification);
 121         } catch (InterruptedException e) {
 122             LOG.info("notification offer rejected : ", e.getMessage());
 123         }
 124
 125         String message = "";
 126         String responseCode = "";
 127         PceSendingPceRPCs sendingPCE = new PceSendingPceRPCs(input, dataBroker);
 128         sendingPCE.pathComputation();
 129         message = sendingPCE.getMessage();
 130         responseCode = sendingPCE.getResponseCode();
 131         PathDescriptionBuilder path = null;
 132         path = sendingPCE.getPathDescription();
 133
 134         LOG.info("PCE response: {} {}", message, responseCode);
 135         if ((sendingPCE.getSuccess() == false) || (path == null)) {
 136             configurationResponseCommon
 137                     .setAckFinalIndicator("Yes")
 138                     .setRequestId(input.getServiceHandlerHeader().getRequestId())
 139                     .setResponseCode(responseCode)
 140                     .setResponseMessage(message);
 141
 142             output.setConfigurationResponseCommon(configurationResponseCommon.build());
 143             return output.build();
 144         }
 145
 146         // Path calculator returned Success
 147         configurationResponseCommon
 148                 .setAckFinalIndicator("Yes")
 149                 .setRequestId(input.getServiceHandlerHeader().getRequestId())
 150                 .setResponseCode(responseCode)
 151                 .setResponseMessage(message);
 152
 153         ServicePathRpcResultBuilder tmp = new ServicePathRpcResultBuilder()
 154                 .setNotificationType(ServicePathNotificationTypes.PathComputationRequest)
 155                 .setServiceName(input.getServiceName())
 156                 .setStatus(RpcStatusEx.Successful)
 157                 .setStatusMessage(message);
 158         PathDescription pathDescription = new org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce
 159                 .pce.rev170426.service.path.rpc.result.PathDescriptionBuilder()
 160                 .setAToZDirection(path.getAToZDirection())
 161                 .setZToADirection(path.getZToADirection())
 162                 .build();
 163         tmp.setPathDescription(pathDescription);
 164
 165         notification = tmp.build();
 166         try {
 167             notificationPublishService.putNotification(notification);
 168         } catch (InterruptedException e) {
 169             LOG.error("notification offer rejected : {}", e.getMessage());
 170         }
 171
 172         org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types
 173                 .rev170426.response.parameters.sp.response.parameters.PathDescription pathDescription1
 174                 = new org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types
 175                 .rev170426.response.parameters.sp.response.parameters.PathDescriptionBuilder()
 176                 .setAToZDirection(path.getAToZDirection())
 177                 .setZToADirection(path.getZToADirection())
 178                 .build();
 179         ResponseParametersBuilder rpb  = new ResponseParametersBuilder()
 180                 .setPathDescription(pathDescription1);
 181
 182         output.setConfigurationResponseCommon(configurationResponseCommon.build())
 183               .setResponseParameters(rpb.build());
 184
 185         //debug prints
 186         AToZDirection atoz = pathDescription.getAToZDirection();
 187         if (atoz != null && atoz.getAToZ() != null) {
 188             LOG.info("Impl AtoZ Notification: [{}] elements in description", atoz.getAToZ().size());
 189             for (int i = 0; i < atoz.getAToZ().size(); i++) {
 190                 LOG.info("Impl AtoZ Notification: [{}] {}", i, atoz.getAToZ().get(i));
 191             }
 192         }
 193         ZToADirection ztoa = pathDescription.getZToADirection();
 194         if (ztoa != null && ztoa.getZToA() != null) {
 195             LOG.info("Impl ZtoA Notification: [{}] elements in description", ztoa.getZToA().size());
 196             for (int i = 0; i < ztoa.getZToA().size(); i++) {
 197                 LOG.info("Impl ZtoA Notification: [{}] {}", i, ztoa.getZToA().get(i));
 198             }
 199         }
 200         //debug prints
 201         return output.build();
 202     }
 203
 204 }