opendaylight/netconf/config-netconf-connector/src/main/java/org/opendaylight/controller/netconf/confignetconfconnector/osgi/NetconfOperationServiceFactoryImpl.java

   1 /*
   2  * Copyright (c) 2013 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.controller.netconf.confignetconfconnector.osgi;
  10
  11 import java.lang.management.ManagementFactory;
  12 import javax.management.MBeanServer;
  13 import org.opendaylight.controller.config.util.ConfigRegistryJMXClient;
  14 import org.opendaylight.controller.netconf.mapping.api.NetconfOperationServiceFactory;
  15 import org.slf4j.Logger;
  16 import org.slf4j.LoggerFactory;
  17
  18 public class NetconfOperationServiceFactoryImpl implements NetconfOperationServiceFactory {
  19
  20     public static final int ATTEMPT_TIMEOUT_MS = 1000;
  21     private static final int SILENT_ATTEMPTS = 30;
  22
  23     private final YangStoreService yangStoreService;
  24     private final ConfigRegistryJMXClient jmxClient;
  25
  26     private static final Logger LOG = LoggerFactory.getLogger(NetconfOperationServiceFactoryImpl.class);
  27
  28     public NetconfOperationServiceFactoryImpl(YangStoreService yangStoreService) {
  29         this(yangStoreService, ManagementFactory.getPlatformMBeanServer());
  30     }
  31
  32     public NetconfOperationServiceFactoryImpl(YangStoreService yangStoreService, MBeanServer mBeanServer) {
  33         this.yangStoreService = yangStoreService;
  34
  35         ConfigRegistryJMXClient configRegistryJMXClient;
  36         int i = 0;
  37         // Config registry might not be present yet, but will be eventually
  38         while(true) {
  39
  40             try {
  41                 configRegistryJMXClient = new ConfigRegistryJMXClient(mBeanServer);
  42                 break;
  43             } catch (IllegalStateException e) {
  44                 ++i;
  45                 if (i > SILENT_ATTEMPTS) {
  46                     LOG.info("JMX client not created after {} attempts, still trying", i, e);
  47                 } else {
  48                     LOG.debug("JMX client could not be created, reattempting, try {}", i, e);
  49                 }
  50                 try {
  51                     Thread.sleep(ATTEMPT_TIMEOUT_MS);
  52                 } catch (InterruptedException e1) {
  53                     Thread.currentThread().interrupt();
  54                     throw new IllegalStateException("Interrupted while reattempting connection", e1);
  55                 }
  56             }
  57         }
  58
  59         jmxClient = configRegistryJMXClient;
  60         if (i > SILENT_ATTEMPTS) {
  61             LOG.info("Created JMX client after {} attempts", i);
  62         } else {
  63             LOG.debug("Created JMX client after {} attempts", i);
  64         }
  65     }
  66
  67     @Override
  68     public NetconfOperationServiceImpl createService(String netconfSessionIdForReporting) {
  69         try {
  70             return new NetconfOperationServiceImpl(yangStoreService, jmxClient, netconfSessionIdForReporting);
  71         } catch (YangStoreException e) {
  72             throw new IllegalStateException(e);
  73         }
  74     }
  75 }