opendaylight/netconf/netconf-tcp/src/main/java/org/opendaylight/controller/config/yang/netconf/northbound/tcp/NetconfNorthboundTcpModule.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.controller.config.yang.netconf.northbound.tcp;
  10
  11 import io.netty.channel.ChannelFuture;
  12 import io.netty.util.concurrent.GenericFutureListener;
  13 import java.net.InetAddress;
  14 import java.net.InetSocketAddress;
  15 import java.net.UnknownHostException;
  16 import org.opendaylight.netconf.api.NetconfServerDispatcher;
  17 import org.slf4j.Logger;
  18 import org.slf4j.LoggerFactory;
  19
  20 public class NetconfNorthboundTcpModule extends org.opendaylight.controller.config.yang.netconf.northbound.tcp.AbstractNetconfNorthboundTcpModule {
  21
  22     private static final Logger LOG = LoggerFactory.getLogger(NetconfNorthboundTcpModule.class);
  23
  24
  25     public NetconfNorthboundTcpModule(org.opendaylight.controller.config.api.ModuleIdentifier identifier, org.opendaylight.controller.config.api.DependencyResolver dependencyResolver) {
  26         super(identifier, dependencyResolver);
  27     }
  28
  29     public NetconfNorthboundTcpModule(org.opendaylight.controller.config.api.ModuleIdentifier identifier, org.opendaylight.controller.config.api.DependencyResolver dependencyResolver, org.opendaylight.controller.config.yang.netconf.northbound.tcp.NetconfNorthboundTcpModule oldModule, java.lang.AutoCloseable oldInstance) {
  30         super(identifier, dependencyResolver, oldModule, oldInstance);
  31     }
  32
  33     @Override
  34     public void customValidation() {
  35         // add custom validation form module attributes here.
  36     }
  37
  38     @Override
  39     public java.lang.AutoCloseable createInstance() {
  40         final NetconfServerDispatcher dispatch = getDispatcherDependency();
  41         final ChannelFuture tcpServer = dispatch.createServer(getInetAddress());
  42
  43         tcpServer.addListener(new GenericFutureListener<ChannelFuture>() {
  44             @Override
  45             public void operationComplete(ChannelFuture future) throws Exception {
  46                 if (future.isDone() && future.isSuccess()) {
  47                     LOG.info("Netconf TCP endpoint started successfully at {}", getInetAddress());
  48                 } else {
  49                     LOG.warn("Unable to start TCP netconf server at {}", getInetAddress(), future.cause());
  50                     throw new RuntimeException("Unable to start TCP netconf server", future.cause());
  51                 }
  52             }
  53         });
  54
  55         return new NetconfServerCloseable(tcpServer);
  56     }
  57
  58     private InetSocketAddress getInetAddress() {
  59         try {
  60             final InetAddress inetAd = InetAddress.getByName(getBindingAddress().getIpv4Address() == null ? getBindingAddress().getIpv6Address().getValue() : getBindingAddress().getIpv4Address().getValue());
  61             return new InetSocketAddress(inetAd, getPort().getValue());
  62         } catch (final UnknownHostException e) {
  63             throw new IllegalArgumentException("Unable to bind netconf endpoint to address " + getBindingAddress(), e);
  64         }
  65     }
  66
  67     private static final class NetconfServerCloseable implements AutoCloseable {
  68         private final ChannelFuture localServer;
  69
  70         public NetconfServerCloseable(final ChannelFuture localServer) {
  71             this.localServer = localServer;
  72         }
  73
  74         @Override
  75         public void close() throws Exception {
  76             if(localServer.isDone()) {
  77                 localServer.channel().close();
  78             } else {
  79                 localServer.cancel(true);
  80             }
  81         }
  82     }
  83
  84 }