renderers/faas/src/main/java/org/opendaylight/groupbasedpolicy/renderer/faas/FaasRenderer.java

   1 /*
   2  * Copyright (c) 2015 Huawei Technologies 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.groupbasedpolicy.renderer.faas;
  10
  11 import java.util.concurrent.Executors;
  12 import java.util.concurrent.ScheduledExecutorService;
  13
  14 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  15 import org.opendaylight.groupbasedpolicy.api.EpRendererAugmentationRegistry;
  16 import org.slf4j.Logger;
  17 import org.slf4j.LoggerFactory;
  18
  19 /**
  20  * Renderer that converts GBP services to FAAS logical networks, which then maps
  21  * to the physical networks..
  22  */
  23 public class FaasRenderer implements AutoCloseable {
  24
  25     private static final Logger LOG = LoggerFactory.getLogger(FaasRenderer.class);
  26
  27     private final ScheduledExecutorService executor;
  28     private final FaasEndpointManagerListener endpointListner;
  29     private final FaasPolicyManager policyManager;
  30     private final FaasEndpointAug faasEndpointAug;
  31
  32     public FaasRenderer(final DataBroker dataProvider, EpRendererAugmentationRegistry epRendererAugmentationRegistry) {
  33         int numCPU = Runtime.getRuntime().availableProcessors();
  34         executor = Executors.newScheduledThreadPool(numCPU * 2);
  35         policyManager = new FaasPolicyManager(dataProvider, executor);
  36         endpointListner = new FaasEndpointManagerListener(policyManager, dataProvider, executor);
  37         faasEndpointAug = new FaasEndpointAug(epRendererAugmentationRegistry);
  38         LOG.info("FAAS Renderer has Started");
  39     }
  40
  41     @Override
  42     public void close() throws Exception {
  43         executor.shutdownNow();
  44         endpointListner.close();
  45         policyManager.close();
  46         faasEndpointAug.close();
  47     }
  48 }