pce/src/main/java/org/opendaylight/transportpce/pce/gnpy/consumer/GnpyConsumerImpl.java

   1 /*
   2  * Copyright © 2021 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.pce.gnpy.consumer;
   9
  10 import javax.ws.rs.ProcessingException;
  11 import javax.ws.rs.WebApplicationException;
  12 import javax.ws.rs.client.Client;
  13 import javax.ws.rs.client.ClientBuilder;
  14 import org.glassfish.jersey.client.authentication.HttpAuthenticationFeature;
  15 import org.glassfish.jersey.client.proxy.WebResourceFactory;
  16 import org.glassfish.jersey.jackson.JacksonFeature;
  17 import org.glassfish.jersey.logging.LoggingFeature;
  18 import org.opendaylight.mdsal.binding.dom.codec.spi.BindingDOMCodecServices;
  19 import org.opendaylight.transportpce.common.converter.JsonStringConverter;
  20 import org.opendaylight.yang.gen.v1.gnpy.gnpy.api.rev220221.Request;
  21 import org.opendaylight.yang.gen.v1.gnpy.path.rev220221.Result;
  22 import org.slf4j.Logger;
  23 import org.slf4j.LoggerFactory;
  24
  25 public class GnpyConsumerImpl implements GnpyConsumer {
  26     private static final Logger LOG = LoggerFactory.getLogger(GnpyConsumerImpl.class);
  27
  28     private GnpyResource api;
  29     JsonStringConverter<Request> gnpyRequestConverter;
  30     JsonStringConverter<Result> resultConverter;
  31
  32     public GnpyConsumerImpl(String baseUrl, String username, String password,
  33             BindingDOMCodecServices bindingDOMCodecServices) {
  34         gnpyRequestConverter = new JsonStringConverter<>(bindingDOMCodecServices);
  35         resultConverter = new JsonStringConverter<>(bindingDOMCodecServices);
  36
  37         JsonConfigurator jsonConfigurator = new JsonConfigurator(gnpyRequestConverter, resultConverter);
  38         Client client = ClientBuilder.newClient();
  39         HttpAuthenticationFeature authFeature = HttpAuthenticationFeature.basic(username, password);
  40         client.register(authFeature);
  41         client.register(new LoggingFeature(java.util.logging.Logger.getLogger(this.getClass().getName())))
  42             .register(JacksonFeature.class).register(jsonConfigurator);
  43         api = WebResourceFactory.newResource(GnpyResource.class, client.target(baseUrl));
  44     }
  45
  46     @Override
  47     public boolean isAvailable() {
  48         try {
  49             api.getStatus();
  50             LOG.info("GNPy is available");
  51             return true;
  52         } catch (WebApplicationException | ProcessingException e) {
  53             LOG.info("GNPy is not available ", e);
  54             return false;
  55         }
  56     }
  57
  58     @Override
  59     public Result computePaths(Request request) {
  60         try {
  61             return api.computePathRequest(request);
  62         } catch (WebApplicationException | ProcessingException e) {
  63             LOG.info("Something went wrong while requesting GNPy ", e);
  64             return null;
  65         }
  66     }
  67 }