tests/honeynode/1.2.1/netconf/src/main/java/io/fd/honeycomb/northbound/netconf/NetconfTcpServerProvider.java

   1 /*
   2  * Copyright (c) 2016 Cisco and/or its affiliates.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at:
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package io.fd.honeycomb.northbound.netconf;
  18
  19 import com.google.common.net.InetAddresses;
  20 import com.google.inject.Inject;
  21 import io.fd.honeycomb.binding.init.ProviderTrait;
  22 import io.fd.honeycomb.data.init.ShutdownHandler;
  23 import io.fd.honeycomb.infra.distro.InitializationException;
  24 import io.fd.honeycomb.northbound.NetconfConfiguration;
  25 import io.netty.channel.ChannelFuture;
  26 import io.netty.util.concurrent.GenericFutureListener;
  27 import java.net.InetAddress;
  28 import java.net.InetSocketAddress;
  29 import org.opendaylight.netconf.api.NetconfServerDispatcher;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32
  33 public final class NetconfTcpServerProvider extends ProviderTrait<NetconfTcpServerProvider.NetconfTcpServer> {
  34
  35     private static final Logger LOG = LoggerFactory.getLogger(NetconfTcpServerProvider.class);
  36
  37     @Inject
  38     private NetconfServerDispatcher dispatcher;
  39     @Inject
  40     private NetconfConfiguration cfgAttributes;
  41     @Inject
  42     private ShutdownHandler shutdownHandler;
  43
  44     @Override
  45     protected NetconfTcpServer create() {
  46         if (!cfgAttributes.isNetconfTcpEnabled()) {
  47             LOG.debug("NETCONF TCP disabled, skipping initalization");
  48             return null;
  49         }
  50         LOG.info("Starting NETCONF TCP");
  51         final InetAddress name = InetAddresses.forString(cfgAttributes.netconfTcpBindingAddress.get());
  52         final InetSocketAddress unresolved = new InetSocketAddress(name, cfgAttributes.netconfTcpBindingPort.get());
  53
  54         ChannelFuture tcpServerFuture = dispatcher.createServer(unresolved);
  55         tcpServerFuture.addListener(new TcpLoggingListener(unresolved));
  56         final NetconfTcpServer tcpServer = new NetconfTcpServer(tcpServerFuture);
  57         shutdownHandler.register("netconf-northbound-tcp-server", tcpServer);
  58         return tcpServer;
  59     }
  60
  61     public static final class NetconfTcpServer implements AutoCloseable {
  62         private ChannelFuture channelFuture;
  63
  64         NetconfTcpServer(final ChannelFuture channelFuture) {
  65             this.channelFuture = channelFuture;
  66         }
  67
  68         @Override
  69         public void close() throws Exception {
  70             LOG.info("Stopping Netconf TCP server");
  71             channelFuture.channel().close();
  72             LOG.info("Netconf TCP server stopped successfully");
  73         }
  74     }
  75
  76     private static final class TcpLoggingListener implements GenericFutureListener<ChannelFuture> {
  77         private final InetSocketAddress unresolved;
  78
  79         TcpLoggingListener(final InetSocketAddress unresolved) {
  80             this.unresolved = unresolved;
  81         }
  82
  83         @Override
  84         public void operationComplete(ChannelFuture future) throws Exception {
  85             if (future.isDone() && future.isSuccess()) {
  86                 LOG.info("Netconf TCP endpoint started successfully at {}", unresolved);
  87             } else {
  88                 LOG.warn("Unable to start TCP netconf server at {}", unresolved, future.cause());
  89                 throw new InitializationException("Unable to start TCP netconf server", future.cause());
  90             }
  91         }
  92     }
  93 }