servicehandler/src/main/java/org/opendaylight/transportpce/servicehandler/validation/ServiceCreateValidation.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
   9 package org.opendaylight.transportpce.servicehandler.validation;
  10
  11 import org.opendaylight.transportpce.common.OperationResult;
  12 import org.opendaylight.transportpce.servicehandler.ServiceEndpointType;
  13 import org.opendaylight.transportpce.servicehandler.validation.checks.CheckCoherencyHardSoft;
  14 import org.opendaylight.transportpce.servicehandler.validation.checks.ComplianceCheckResult;
  15 import org.opendaylight.transportpce.servicehandler.validation.checks.ServicehandlerCompliancyCheck;
  16 import org.opendaylight.transportpce.servicehandler.validation.checks.ServicehandlerTxRxCheck;
  17 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.service.types.rev161014.ConnectionType;
  18 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.service.types.rev161014.RpcActions;
  19 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.service.types.rev161014.sdnc.request.header.SdncRequestHeader;
  20 import org.opendaylight.yang.gen.v1.http.org.openroadm.service.rev161014.ServiceCreateInput;
  21 import org.slf4j.Logger;
  22 import org.slf4j.LoggerFactory;
  23
  24 public final class ServiceCreateValidation {
  25     private static final Logger LOG = LoggerFactory.getLogger(ServiceCreateValidation.class);
  26
  27     public static OperationResult validateServiceCreateRequest(ServiceCreateInput input) {
  28         /*
  29          * Upon receipt of service
  30          * -create RPC, service header and sdnc
  31          * -request header compliancy are verified.
  32          */
  33         LOG.debug("checking Service Compliancy ...");
  34         try {
  35             String serviceNmame = input.getServiceName();
  36             SdncRequestHeader sdncRequestHeader = input.getSdncRequestHeader();
  37             ConnectionType conType = input.getConnectionType();
  38             ComplianceCheckResult serviceHandlerCheckResult = ServicehandlerCompliancyCheck.check(
  39                     serviceNmame, sdncRequestHeader, conType, RpcActions.ServiceCreate, true, true);
  40             if (serviceHandlerCheckResult.hasPassed()) {
  41                 LOG.debug("Service request compliant !");
  42             } else {
  43                 return OperationResult.failed(serviceHandlerCheckResult.getMessage());
  44             }
  45             /*
  46              * If compliant, service-request parameters are verified in order to
  47              * check if there is no missing parameter that prevents calculating
  48              * a path and implement a service.
  49              */
  50             LOG.debug("checking Tx/Rx Info for AEnd ...");
  51             ComplianceCheckResult txrxCheckAEnd = ServicehandlerTxRxCheck.check(input.getServiceAEnd(),
  52                     ServiceEndpointType.SERVICEAEND);
  53             if (txrxCheckAEnd.hasPassed()) {
  54                 LOG.debug("Tx/Rx Info for AEnd checked !");
  55             } else {
  56                 return OperationResult.failed(txrxCheckAEnd.getMessage());
  57             }
  58
  59             LOG.debug("checking Tx/Rx Info for ZEnd ...");
  60             ComplianceCheckResult txrxCheckZEnd = ServicehandlerTxRxCheck.check(input.getServiceZEnd(),
  61                     ServiceEndpointType.SERVICEZEND);
  62             if (txrxCheckZEnd.hasPassed()) {
  63                 LOG.debug("Tx/Rx Info for ZEnd checked");
  64                 /*
  65                  * If OK, common-id is verified in order to see if there is
  66                  * no routing policy provided. If yes, the routing
  67                  * constraints of the policy are recovered and coherency
  68                  * with hard/soft constraints provided in the input of the
  69                  * RPC.
  70                  */
  71             } else {
  72                 return OperationResult.failed(txrxCheckZEnd.getMessage());
  73             }
  74
  75             if (input.getCommonId() != null) {
  76                 LOG.debug("Common-id specified");
  77                 // Check coherency with hard/soft constraints
  78                 if (CheckCoherencyHardSoft.check(input.getHardConstraints(), input.getSoftConstraints())) {
  79                     LOG.debug("hard/soft constraints coherent !");
  80                 } else {
  81                     return OperationResult.failed("hard/soft constraints are not coherent !");
  82                 }
  83             } else {
  84                 LOG.warn("Common-id not specified !");
  85             }
  86         } catch (NullPointerException e) {
  87             LOG.error("one of input parameter is null ",e);
  88             OperationResult.failed("one of input parameter is null.");
  89         }
  90         return OperationResult.ok("Validation successful.");
  91     }
  92
  93     public ServiceCreateValidation() {
  94     }
  95
  96 }