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.SshClient;
  15 import org.opendaylight.netconf.shaded.sshd.client.session.ClientSessionImpl;
  16 import org.opendaylight.netconf.shaded.sshd.common.Factory;
  17 import org.opendaylight.netconf.shaded.sshd.common.io.IoSession;
  18 import org.opendaylight.netconf.shaded.sshd.common.session.ConnectionService;
  19
  20 /**
  21  * A {@link ClientSessionImpl} which additionally allows creation of NETCONF subsystem channel, which is routed to
  22  * a particular {@link ChannelHandlerContext}.
  23  */
  24 @Beta
  25 public class NetconfClientSessionImpl extends ClientSessionImpl implements NettyAwareClientSession {
  26     public static final Factory<SshClient> DEFAULT_NETCONF_SSH_CLIENT_FACTORY = SshClient::new;
  27
  28     public NetconfClientSessionImpl(final ClientFactoryManager client, final IoSession ioSession) throws Exception {
  29         super(client, ioSession);
  30     }
  31
  32     @Override
  33     public NettyAwareChannelSubsystem createSubsystemChannel(final String subsystem, final ChannelHandlerContext ctx)
  34             throws IOException {
  35         final NettyAwareChannelSubsystem channel = new NettyAwareChannelSubsystem(subsystem, ctx);
  36         final ConnectionService service = getConnectionService();
  37         final int id = service.registerChannel(channel);
  38         if (log.isDebugEnabled()) {
  39             log.debug("createSubsystemChannel({})[{}] created id={}", this, channel.getSubsystem(), id);
  40         }
  41         return channel;
  42     }
  43 }