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 org.opendaylight.controller.config.util.ConfigRegistryJMXClient;
  12 import org.opendaylight.controller.netconf.mapping.api.NetconfOperationServiceFactory;
  13 import org.slf4j.Logger;
  14 import org.slf4j.LoggerFactory;
  15
  16 import javax.management.MBeanServer;
  17 import java.lang.management.ManagementFactory;
  18
  19 public class NetconfOperationServiceFactoryImpl implements NetconfOperationServiceFactory {
  20
  21     public static final int ATTEMPT_TIMEOUT_MS = 1000;
  22     private static final int SILENT_ATTEMPTS = 30;
  23
  24     private final YangStoreService yangStoreService;
  25     private final ConfigRegistryJMXClient jmxClient;
  26
  27     private static final Logger logger = LoggerFactory.getLogger(NetconfOperationServiceFactoryImpl.class);
  28
  29     public NetconfOperationServiceFactoryImpl(YangStoreService yangStoreService) {
  30         this(yangStoreService, ManagementFactory.getPlatformMBeanServer());
  31     }
  32
  33     public NetconfOperationServiceFactoryImpl(YangStoreService yangStoreService, MBeanServer mBeanServer) {
  34         this.yangStoreService = yangStoreService;
  35
  36         ConfigRegistryJMXClient configRegistryJMXClient;
  37         int i = 0;
  38         // Config registry might not be present yet, but will be eventually
  39         while(true) {
  40
  41             try {
  42                 configRegistryJMXClient = new ConfigRegistryJMXClient(mBeanServer);
  43                 break;
  44             } catch (IllegalStateException e) {
  45                 ++i;
  46                 if (i > SILENT_ATTEMPTS) {
  47                     logger.info("JMX client not created after {} attempts, still trying", i, e);
  48                 } else {
  49                     logger.debug("JMX client could not be created, reattempting, try {}", i, e);
  50                 }
  51                 try {
  52                     Thread.sleep(ATTEMPT_TIMEOUT_MS);
  53                 } catch (InterruptedException e1) {
  54                     Thread.currentThread().interrupt();
  55                     throw new IllegalStateException("Interrupted while reattempting connection", e1);
  56                 }
  57             }
  58         }
  59
  60         jmxClient = configRegistryJMXClient;
  61         if (i > SILENT_ATTEMPTS) {
  62             logger.info("Created JMX client after {} attempts", i);
  63         } else {
  64             logger.debug("Created JMX client after {} attempts", i);
  65         }
  66     }
  67
  68     @Override
  69     public NetconfOperationServiceImpl createService(String netconfSessionIdForReporting) {
  70         try {
  71             return new NetconfOperationServiceImpl(yangStoreService, jmxClient, netconfSessionIdForReporting);
  72         } catch (YangStoreException e) {
  73             throw new IllegalStateException(e);
  74         }
  75     }
  76 }