pce/src/main/java/org/opendaylight/transportpce/pce/impl/PceServiceRPCImpl.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.impl;
   9
  10 import com.google.common.collect.ImmutableClassToInstanceMap;
  11 import com.google.common.util.concurrent.ListenableFuture;
  12 import java.util.concurrent.ExecutionException;
  13 import org.opendaylight.mdsal.binding.api.RpcProviderService;
  14 import org.opendaylight.transportpce.pce.service.PathComputationService;
  15 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev220808.CancelResourceReserve;
  16 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev220808.CancelResourceReserveInput;
  17 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev220808.CancelResourceReserveOutput;
  18 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev220808.PathComputationRequest;
  19 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev220808.PathComputationRequestInput;
  20 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev220808.PathComputationRequestOutput;
  21 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev220808.PathComputationRerouteRequest;
  22 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev220808.PathComputationRerouteRequestInput;
  23 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev220808.PathComputationRerouteRequestOutput;
  24 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.pce.rev220808.TransportpcePceService;
  25 import org.opendaylight.yangtools.concepts.Registration;
  26 import org.opendaylight.yangtools.yang.binding.Rpc;
  27 import org.opendaylight.yangtools.yang.common.RpcResult;
  28 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  29 import org.osgi.service.component.annotations.Activate;
  30 import org.osgi.service.component.annotations.Component;
  31 import org.osgi.service.component.annotations.Deactivate;
  32 import org.osgi.service.component.annotations.Reference;
  33 import org.slf4j.Logger;
  34 import org.slf4j.LoggerFactory;
  35
  36 /**
  37  * PceService implementation.
  38  */
  39 @Component(immediate = true)
  40 public class PceServiceRPCImpl implements TransportpcePceService {
  41
  42     private static final Logger LOG = LoggerFactory.getLogger(PceServiceRPCImpl.class);
  43
  44     private final PathComputationService pathComputationService;
  45     private Registration reg;
  46
  47     @Activate
  48     public PceServiceRPCImpl(@Reference RpcProviderService rpcProviderService,
  49             @Reference PathComputationService pathComputationService) {
  50         this.pathComputationService = pathComputationService;
  51         this.reg = rpcProviderService.registerRpcImplementations(ImmutableClassToInstanceMap.<Rpc<?, ?>>builder()
  52             .put(CancelResourceReserve.class, this::cancelResourceReserve)
  53             .put(PathComputationRequest.class, this::pathComputationRequest)
  54             .put(PathComputationRerouteRequest.class, this::pathComputationRerouteRequest)
  55             .build());
  56
  57         LOG.info("PceServiceRPCImpl instantiated");
  58     }
  59
  60     @Deactivate
  61     public void close() {
  62         this.reg.close();
  63         LOG.info("PceServiceRPCImpl Closed");
  64     }
  65
  66     @Override
  67     public final ListenableFuture<RpcResult<CancelResourceReserveOutput>>
  68             cancelResourceReserve(CancelResourceReserveInput input) {
  69         LOG.info("RPC cancelResourceReserve request received");
  70         try {
  71             return RpcResultBuilder
  72                     .success(
  73                             this.pathComputationService.cancelResourceReserve(input).get())
  74                     .buildFuture();
  75         } catch (InterruptedException | ExecutionException e) {
  76             LOG.error("RPC cancelResourceReserve failed !", e);
  77             return RpcResultBuilder.success((CancelResourceReserveOutput) null).buildFuture();
  78         }
  79     }
  80
  81     @Override
  82     public final ListenableFuture<RpcResult<PathComputationRequestOutput>>
  83             pathComputationRequest(PathComputationRequestInput input) {
  84         LOG.info("RPC path computation request received");
  85         LOG.debug("input parameters are : input = {}", input);
  86         try {
  87             return RpcResultBuilder
  88                     .success(
  89                             this.pathComputationService.pathComputationRequest(input).get())
  90                     .buildFuture();
  91         } catch (InterruptedException | ExecutionException e) {
  92             LOG.error("RPC path computation request failed !", e);
  93         }
  94         return RpcResultBuilder.success((PathComputationRequestOutput) null).buildFuture();
  95     }
  96
  97     @Override
  98     public final ListenableFuture<RpcResult<PathComputationRerouteRequestOutput>> pathComputationRerouteRequest(
  99             PathComputationRerouteRequestInput input) {
 100         LOG.info("RPC path computation reroute request received");
 101         LOG.debug("input parameters are : input = {}", input);
 102         try {
 103             return RpcResultBuilder
 104                     .success(
 105                             this.pathComputationService.pathComputationRerouteRequest(input).get())
 106                     .buildFuture();
 107         } catch (InterruptedException | ExecutionException e) {
 108             LOG.error("RPC path computation request failed !", e);
 109             return RpcResultBuilder.success((PathComputationRerouteRequestOutput) null).buildFuture();
 110         }
 111     }
 112
 113     public Registration getRegisteredRpc() {
 114         return reg;
 115     }
 116 }