netconf/netconf-netty-util/src/main/java/org/opendaylight/netconf/nettyutil/handler/ssh/client/NetconfClientSessionImpl.java

   1 /*
   2  * Copyright (c) 2019 PANTHEON.tech, s.r.o. 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 package org.opendaylight.netconf.nettyutil.handler.ssh.client;
   9
  10 import com.google.common.annotations.Beta;
  11 import io.netty.channel.ChannelHandlerContext;
  12 import java.io.IOException;
  13 import org.opendaylight.netconf.shaded.sshd.client.ClientFactoryManager;
  14 import org.opendaylight.netconf.shaded.sshd.client.session.ClientSessionImpl;
  15 import org.opendaylight.netconf.shaded.sshd.common.io.IoSession;
  16 import org.opendaylight.netconf.shaded.sshd.common.session.ConnectionService;
  17
  18 /**
  19  * A {@link ClientSessionImpl} which additionally allows creation of NETCONF subsystem channel, which is routed to
  20  * a particular {@link ChannelHandlerContext}.
  21  */
  22 @Beta
  23 public class NetconfClientSessionImpl extends ClientSessionImpl implements NettyAwareClientSession {
  24     public NetconfClientSessionImpl(final ClientFactoryManager client, final IoSession ioSession) throws Exception {
  25         super(client, ioSession);
  26     }
  27
  28     @Override
  29     public NettyAwareChannelSubsystem createSubsystemChannel(final String subsystem, final ChannelHandlerContext ctx)
  30             throws IOException {
  31         final NettyAwareChannelSubsystem channel = new NettyAwareChannelSubsystem(subsystem, ctx);
  32         final ConnectionService service = getConnectionService();
  33         final int id = service.registerChannel(channel);
  34         if (log.isDebugEnabled()) {
  35             log.debug("createSubsystemChannel({})[{}] created id={}", this, channel.getSubsystem(), id);
  36         }
  37         return channel;
  38     }
  39 }