opendaylight/netconf/netconf-client/src/main/java/org/opendaylight/controller/netconf/client/NetconfClientSession.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.client;
  10
  11 import io.netty.channel.Channel;
  12 import org.opendaylight.controller.netconf.api.NetconfMessage;
  13 import org.opendaylight.controller.netconf.api.NetconfSession;
  14 import org.opendaylight.controller.netconf.api.NetconfTerminationReason;
  15 import org.opendaylight.controller.netconf.util.xml.XmlUtil;
  16 import org.opendaylight.protocol.framework.SessionListener;
  17 import org.slf4j.Logger;
  18 import org.slf4j.LoggerFactory;
  19
  20 import java.io.IOException;
  21 import java.util.Collection;
  22
  23 public class NetconfClientSession extends NetconfSession {
  24
  25     private final SessionListener sessionListener;
  26     private final long sessionId;
  27     private final Channel channel;
  28
  29     private static final Logger logger = LoggerFactory.getLogger(NetconfClientSession.class);
  30     private final Collection<String> capabilities;
  31     private boolean up;
  32
  33     public NetconfClientSession(SessionListener sessionListener, Channel channel, long sessionId,
  34             Collection<String> capabilities) {
  35         this.sessionListener = sessionListener;
  36         this.channel = channel;
  37         this.sessionId = sessionId;
  38         this.capabilities = capabilities;
  39         logger.debug("Client Session {} created", toString());
  40     }
  41
  42     @Override
  43     public void close() {
  44         channel.close();
  45         sessionListener.onSessionTerminated(this, new NetconfTerminationReason("Client Session closed"));
  46     }
  47
  48     @Override
  49     protected void handleMessage(NetconfMessage netconfMessage) {
  50         logger.debug("Client Session {} received message {}", toString(),
  51                 XmlUtil.toString(netconfMessage.getDocument()));
  52         sessionListener.onMessage(this, netconfMessage);
  53     }
  54
  55     @Override
  56     public void sendMessage(NetconfMessage netconfMessage) {
  57         channel.writeAndFlush(netconfMessage);
  58     }
  59
  60     @Override
  61     protected void endOfInput() {
  62         logger.debug("Client Session {} end of input detected while session was in state {}", toString(), isUp() ? "up"
  63                 : "initialized");
  64         if (isUp()) {
  65             this.sessionListener.onSessionDown(this, new IOException("End of input detected. Close the session."));
  66         }
  67     }
  68
  69     @Override
  70     protected void sessionUp() {
  71         logger.debug("Client Session {} up", toString());
  72         sessionListener.onSessionUp(this);
  73         this.up = true;
  74     }
  75
  76     @Override
  77     public String toString() {
  78         final StringBuffer sb = new StringBuffer("ClientNetconfSession{");
  79         sb.append("sessionId=").append(sessionId);
  80         sb.append('}');
  81         return sb.toString();
  82     }
  83
  84     public boolean isUp() {
  85         return up;
  86     }
  87
  88     public long getSessionId() {
  89         return sessionId;
  90     }
  91
  92     public Collection<String> getServerCapabilities() {
  93         return capabilities;
  94     }
  95 }