netconf/callhome-provider/src/main/java/org/opendaylight/netconf/callhome/mount/CallHomeMountSessionContext.java

   1 /*
   2  * Copyright (c) 2016 Brocade Communication Systems 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.callhome.mount;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import com.google.common.base.MoreObjects;
  13 import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
  14 import io.netty.util.concurrent.Promise;
  15 import org.opendaylight.netconf.api.NetconfMessage;
  16 import org.opendaylight.netconf.api.NetconfTerminationReason;
  17 import org.opendaylight.netconf.callhome.protocol.CallHomeChannelActivator;
  18 import org.opendaylight.netconf.callhome.protocol.CallHomeProtocolSessionContext;
  19 import org.opendaylight.netconf.client.NetconfClientSession;
  20 import org.opendaylight.netconf.client.NetconfClientSessionListener;
  21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Host;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNodeBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.netconf.node.credentials.credentials.LoginPasswordBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  25 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  26 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeBuilder;
  27
  28 // Non-final to allow mocking
  29 class CallHomeMountSessionContext {
  30     @FunctionalInterface
  31     interface CloseCallback {
  32         void onClosed(CallHomeMountSessionContext deviceContext);
  33     }
  34
  35     private final NodeId nodeId;
  36     private final CallHomeChannelActivator activator;
  37     private final CallHomeProtocolSessionContext protocol;
  38     private final CloseCallback onClose;
  39     // FIXME: Remove this
  40     private final ContextKey key;
  41
  42     CallHomeMountSessionContext(final String nodeId, final CallHomeProtocolSessionContext protocol,
  43                                 final CallHomeChannelActivator activator, final CloseCallback callback) {
  44
  45         this.nodeId = new NodeId(requireNonNull(nodeId, "nodeId"));
  46         this.key = ContextKey.from(protocol.getRemoteAddress());
  47         this.protocol = requireNonNull(protocol, "protocol");
  48         this.activator = requireNonNull(activator, "activator");
  49         this.onClose = requireNonNull(callback, "callback");
  50     }
  51
  52     CallHomeProtocolSessionContext getProtocol() {
  53         return protocol;
  54     }
  55
  56     NodeId getId() {
  57         return nodeId;
  58     }
  59
  60     ContextKey getContextKey() {
  61         return key;
  62     }
  63
  64     Node getConfigNode() {
  65         return new NodeBuilder()
  66                 .setNodeId(getId())
  67                 .addAugmentation(new NetconfNodeBuilder()
  68                     .setHost(new Host(key.getIpAddress()))
  69                     .setPort(key.getPort())
  70                     .setTcpOnly(Boolean.FALSE)
  71                     .setCredentials(new LoginPasswordBuilder()
  72                         .setUsername("ommited")
  73                         .setPassword("ommited")
  74                         .build())
  75                     .setSchemaless(Boolean.FALSE)
  76                     .build())
  77                 .build();
  78     }
  79
  80     @SuppressWarnings("unchecked")
  81     <V> Promise<V> activateNetconfChannel(final NetconfClientSessionListener sessionListener) {
  82         return (Promise<V>) activator.activate(wrap(sessionListener));
  83     }
  84
  85     @Override
  86     public String toString() {
  87         return MoreObjects.toStringHelper(this)
  88                 .add("address", protocol.getRemoteAddress())
  89                 .add("hostKey", protocol.getRemoteServerKey())
  90                 .toString();
  91     }
  92
  93     private NetconfClientSessionListener wrap(final NetconfClientSessionListener delegate) {
  94         return new NetconfClientSessionListener() {
  95             @Override
  96             public void onSessionUp(final NetconfClientSession session) {
  97                 delegate.onSessionUp(session);
  98             }
  99
 100             @Override
 101             public void onSessionTerminated(final NetconfClientSession session, final NetconfTerminationReason reason) {
 102                 try {
 103                     delegate.onSessionTerminated(session, reason);
 104                 } finally {
 105                     removeSelf();
 106                 }
 107             }
 108
 109             @Override
 110             public void onSessionDown(final NetconfClientSession session, final Exception exc) {
 111                 try {
 112                     removeSelf();
 113                 } finally {
 114                     delegate.onSessionDown(session, exc);
 115                 }
 116             }
 117
 118             @Override
 119             public void onMessage(final NetconfClientSession session, final NetconfMessage message) {
 120                 delegate.onMessage(session, message);
 121             }
 122         };
 123     }
 124
 125     @SuppressFBWarnings(value = "UPM_UNCALLED_PRIVATE_METHOD",
 126             justification = "https://github.com/spotbugs/spotbugs/issues/811")
 127     private void removeSelf() {
 128         onClose.onClosed(this);
 129     }
 130 }