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             output.setConfigurationResponseCommon(configurationResponseCommon.build())
 108                     .setResponseParameters(null);
 109
 110             return output.build();
 111         }
 112         ServicePathRpcResult notification = new ServicePathRpcResultBuilder()
 113                 .setNotificationType(ServicePathNotificationTypes.PathComputationRequest)
 114                 .setServiceName(input.getServiceName())
 115                 .setStatus(RpcStatusEx.Pending)
 116                 .setStatusMessage("Service compliant, submitting pathComputation Request ...")
 117                 .build();
 118         try {
 119             notificationPublishService.putNotification(notification);
 120         } catch (InterruptedException e) {
 121             LOG.info("notification offer rejected : ", e.getMessage());
 122         }
 123
 124         String message = "";
 125         String responseCode = "";
 126         PceSendingPceRPCs sendingPCE = new PceSendingPceRPCs(input, dataBroker);
 127         sendingPCE.pathComputation();
 128         message = sendingPCE.getMessage();
 129         responseCode = sendingPCE.getResponseCode();
 130         PathDescriptionBuilder path = null;
 131         path = sendingPCE.getPathDescription();
 132
 133         LOG.info("PCE response: {} {}", message, responseCode);
 134         if ((sendingPCE.getSuccess() == false) || (path == null)) {
 135             configurationResponseCommon
 136                     .setAckFinalIndicator("Yes")
 137                     .setRequestId(input.getServiceHandlerHeader().getRequestId())
 138                     .setResponseCode(responseCode)
 139                     .setResponseMessage(message);
 140
 141             output.setConfigurationResponseCommon(configurationResponseCommon.build());
 142             return output.build();
 143         }
 144
 145         // Path calculator returned Success
 146         configurationResponseCommon
 147                 .setAckFinalIndicator("Yes")
 148                 .setRequestId(input.getServiceHandlerHeader().getRequestId())
 149                 .setResponseCode(responseCode)
 150                 .setResponseMessage(message);
 151
 152         ServicePathRpcResultBuilder tmp = new ServicePathRpcResultBuilder()
 153                 .setNotificationType(ServicePathNotificationTypes.PathComputationRequest)
 154                 .setServiceName(input.getServiceName())
 155                 .setStatus(RpcStatusEx.Successful)
 156                 .setStatusMessage(message);
 157         PathDescription pathDescription = new org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce
 158                 .pce.rev170426.service.path.rpc.result.PathDescriptionBuilder()
 159                 .setAToZDirection(path.getAToZDirection())
 160                 .setZToADirection(path.getZToADirection())
 161                 .build();
 162         tmp.setPathDescription(pathDescription);
 163
 164         notification = tmp.build();
 165         try {
 166             notificationPublishService.putNotification(notification);
 167         } catch (InterruptedException e) {
 168             LOG.error("notification offer rejected : {}", e.getMessage());
 169         }
 170
 171         org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types
 172                 .rev170426.response.parameters.sp.response.parameters.PathDescription pathDescription1
 173                 = new org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types
 174                 .rev170426.response.parameters.sp.response.parameters.PathDescriptionBuilder()
 175                 .setAToZDirection(path.getAToZDirection())
 176                 .setZToADirection(path.getZToADirection())
 177                 .build();
 178         ResponseParametersBuilder rpb  = new ResponseParametersBuilder()
 179                 .setPathDescription(pathDescription1);
 180
 181         output.setConfigurationResponseCommon(configurationResponseCommon.build())
 182               .setResponseParameters(rpb.build());
 183
 184         //debug prints
 185         AToZDirection atoz = pathDescription.getAToZDirection();
 186         if (atoz != null && atoz.getAToZ() != null) {
 187             LOG.info("Impl AtoZ Notification: [{}] elements in description", atoz.getAToZ().size());
 188             for (int i = 0; i < atoz.getAToZ().size(); i++) {
 189                 LOG.info("Impl AtoZ Notification: [{}] {}", i, atoz.getAToZ().get(i));
 190             }
 191         }
 192         ZToADirection ztoa = pathDescription.getZToADirection();
 193         if (ztoa != null && ztoa.getZToA() != null) {
 194             LOG.info("Impl ZtoA Notification: [{}] elements in description", ztoa.getZToA().size());
 195             for (int i = 0; i < ztoa.getZToA().size(); i++) {
 196                 LOG.info("Impl ZtoA Notification: [{}] {}", i, ztoa.getZToA().get(i));
 197             }
 198         }
 199         //debug prints
 200         return output.build();
 201     }
 202
 203 }