tests/honeynode/1.2.1/netconf-impl/src/main/java/org/opendaylight/netconf/impl/NetconfServerSessionNegotiator.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.netconf.impl;
  10
  11 import com.google.common.base.Optional;
  12 import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
  13 import io.netty.channel.Channel;
  14 import io.netty.channel.local.LocalAddress;
  15 import io.netty.util.Timer;
  16 import io.netty.util.concurrent.Promise;
  17 import java.net.InetSocketAddress;
  18 import java.net.SocketAddress;
  19 import java.util.AbstractMap;
  20 import java.util.Map;
  21 import org.opendaylight.netconf.api.NetconfDocumentedException;
  22 import org.opendaylight.netconf.api.NetconfServerSessionPreferences;
  23 import org.opendaylight.netconf.api.messages.NetconfHelloMessage;
  24 import org.opendaylight.netconf.api.messages.NetconfHelloMessageAdditionalHeader;
  25 import org.opendaylight.netconf.nettyutil.AbstractNetconfSessionNegotiator;
  26 import org.slf4j.Logger;
  27 import org.slf4j.LoggerFactory;
  28
  29 public class NetconfServerSessionNegotiator
  30         extends AbstractNetconfSessionNegotiator<NetconfServerSessionPreferences, NetconfServerSession,
  31                 NetconfServerSessionListener> {
  32
  33     private static final Logger LOG = LoggerFactory.getLogger(NetconfServerSessionNegotiator.class);
  34
  35     private static final String UNKNOWN = "unknown";
  36
  37     protected NetconfServerSessionNegotiator(
  38             NetconfServerSessionPreferences sessionPreferences,
  39             Promise<NetconfServerSession> promise, Channel channel,
  40             Timer timer, NetconfServerSessionListener sessionListener,
  41             long connectionTimeoutMillis) {
  42         super(sessionPreferences, promise, channel, timer, sessionListener,
  43                 connectionTimeoutMillis);
  44     }
  45
  46     @Override
  47     protected void handleMessage(NetconfHelloMessage netconfMessage)
  48             throws NetconfDocumentedException {
  49         NetconfServerSession session = getSessionForHelloMessage(netconfMessage);
  50         replaceHelloMessageInboundHandler(session);
  51         // Negotiation successful after all non hello messages were processed
  52         negotiationSuccessful(session);
  53     }
  54
  55     @Override
  56     @SuppressFBWarnings("BC_UNCONFIRMED_CAST_OF_RETURN_VALUE")
  57     protected NetconfServerSession getSession(
  58             NetconfServerSessionListener sessionListener, Channel channel,
  59             NetconfHelloMessage message) {
  60         Optional<NetconfHelloMessageAdditionalHeader> additionalHeader = message
  61                 .getAdditionalHeader();
  62
  63         NetconfHelloMessageAdditionalHeader parsedHeader;
  64         if (additionalHeader.isPresent()) {
  65             parsedHeader = additionalHeader.get();
  66         } else {
  67
  68             parsedHeader = new NetconfHelloMessageAdditionalHeader(UNKNOWN,
  69                     getHostName(channel.localAddress()).getValue(),
  70                     getHostName(channel.localAddress()).getKey(), "tcp",
  71                     "client");
  72
  73         }
  74
  75         LOG.debug("Additional header from hello parsed as {} from {}",
  76                 parsedHeader, additionalHeader);
  77
  78         return new NetconfServerSession(sessionListener, channel,
  79                 getSessionPreferences().getSessionId(), parsedHeader);
  80     }
  81
  82     /**
  83      * Get a name of the host.
  84      *
  85      * @param socketAddress type of socket address LocalAddress, or
  86      *                      InetSocketAddress, for others returns unknown
  87      * @return Two values - port and host of socket address
  88      */
  89     protected static Map.Entry<String, String> getHostName(
  90             SocketAddress socketAddress) {
  91
  92         if (socketAddress instanceof InetSocketAddress) {
  93
  94             InetSocketAddress inetSocketAddress = (InetSocketAddress) socketAddress;
  95
  96             return new AbstractMap.SimpleImmutableEntry<>(
  97                     Integer.toString(inetSocketAddress.getPort()),
  98                     inetSocketAddress.getHostString());
  99
 100         } else if (socketAddress instanceof LocalAddress) {
 101
 102             return new AbstractMap.SimpleImmutableEntry<>(UNKNOWN,
 103                     ((LocalAddress) socketAddress).id());
 104
 105         }
 106         return new AbstractMap.SimpleImmutableEntry<>(UNKNOWN, UNKNOWN);
 107
 108     }
 109
 110 }