renderers/opflex/src/main/java/org/opendaylight/groupbasedpolicy/renderer/opflex/OpflexRenderer.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, 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.groupbasedpolicy.renderer.opflex;
  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.controller.md.sal.binding.api.DataChangeListener;
  16 import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
  17 import org.opendaylight.groupbasedpolicy.renderer.opflex.lib.OpflexConnectionService;
  18 import org.opendaylight.groupbasedpolicy.renderer.opflex.mit.AgentOvsMit;
  19 import org.opendaylight.groupbasedpolicy.renderer.opflex.mit.MitLib;
  20 import org.opendaylight.groupbasedpolicy.resolver.PolicyResolver;
  21 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  22 import org.slf4j.Logger;
  23 import org.slf4j.LoggerFactory;
  24
  25 /**
  26  * Renderer that uses OpFlex to implement an overlay network
  27  * using Open vSwitch.
  28  *
  29  * @author tbachman
  30  */
  31 public class OpflexRenderer implements AutoCloseable {
  32
  33     private static final Logger LOG = LoggerFactory.getLogger(OpflexRenderer.class);
  34
  35     private final PolicyResolver policyResolver;
  36     private final EndpointManager endpointManager;
  37     private final PolicyManager policyManager;
  38     private final OpflexConnectionService connectionService;
  39     private final MitLib mitLibrary;
  40     private final ScheduledExecutorService executor;
  41
  42     ListenerRegistration<DataChangeListener> configReg;
  43
  44     public OpflexRenderer(DataBroker dataProvider, RpcProviderRegistry rpcRegistry) {
  45         super();
  46
  47         int numCPU = Runtime.getRuntime().availableProcessors();
  48         executor = Executors.newScheduledThreadPool(numCPU * 2);
  49
  50         mitLibrary = new MitLib();
  51         MessageUtils.setOpflexLib(mitLibrary);
  52         MessageUtils.init();
  53         MessageUtils.setMit(new AgentOvsMit());
  54
  55         connectionService = new OpflexConnectionService(dataProvider, executor);
  56
  57         endpointManager = new EndpointManager(dataProvider, rpcRegistry, executor, connectionService, mitLibrary);
  58         policyResolver = new PolicyResolver(dataProvider, executor);
  59
  60         policyManager = new PolicyManager(policyResolver, connectionService, executor, mitLibrary);
  61
  62         LOG.info("Initialized OpFlex renderer");
  63     }
  64
  65     // *************
  66     // AutoCloseable
  67     // *************
  68
  69     @Override
  70     public void close() throws Exception {
  71         executor.shutdownNow();
  72         if (configReg != null)
  73             configReg.close();
  74         if (policyResolver != null)
  75             policyResolver.close();
  76         if (policyManager != null)
  77             policyManager.close();
  78         if (connectionService != null)
  79             connectionService.close();
  80         if (endpointManager != null)
  81             endpointManager.close();
  82     }
  83
  84     // **************
  85     // Implementation
  86     // **************
  87 }