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 io.netty.util.concurrent.Future;
  14 import org.opendaylight.netconf.api.NetconfMessage;
  15 import org.opendaylight.netconf.api.NetconfTerminationReason;
  16 import org.opendaylight.netconf.callhome.protocol.CallHomeChannelActivator;
  17 import org.opendaylight.netconf.callhome.protocol.CallHomeProtocolSessionContext;
  18 import org.opendaylight.netconf.client.NetconfClientSession;
  19 import org.opendaylight.netconf.client.NetconfClientSessionListener;
  20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Host;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNodeBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.netconf.node.connection.parameters.Protocol;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.netconf.node.connection.parameters.ProtocolBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.netconf.node.credentials.credentials.LoginPasswordBuilder;
  25 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  26 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  27 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeBuilder;
  28 import org.opendaylight.yangtools.yang.common.Decimal64;
  29 import org.opendaylight.yangtools.yang.common.Uint16;
  30 import org.opendaylight.yangtools.yang.common.Uint32;
  31
  32 // Non-final to allow mocking
  33 class CallHomeMountSessionContext {
  34     @FunctionalInterface
  35     interface CloseCallback {
  36         void onClosed(CallHomeMountSessionContext deviceContext);
  37     }
  38
  39     private final NodeId nodeId;
  40     private final CallHomeChannelActivator activator;
  41     private final CallHomeProtocolSessionContext protocol;
  42     private final CloseCallback onClose;
  43     // FIXME: Remove this
  44     private final ContextKey key;
  45
  46     CallHomeMountSessionContext(final String nodeId, final CallHomeProtocolSessionContext protocol,
  47                                 final CallHomeChannelActivator activator, final CloseCallback callback) {
  48
  49         this.nodeId = new NodeId(requireNonNull(nodeId, "nodeId"));
  50         key = ContextKey.from(protocol.getRemoteAddress());
  51         this.protocol = requireNonNull(protocol, "protocol");
  52         this.activator = requireNonNull(activator, "activator");
  53         onClose = requireNonNull(callback, "callback");
  54     }
  55
  56     CallHomeProtocolSessionContext getProtocol() {
  57         return protocol;
  58     }
  59
  60     NodeId getId() {
  61         return nodeId;
  62     }
  63
  64     ContextKey getContextKey() {
  65         return key;
  66     }
  67
  68     /**
  69      * Create device default configuration.
  70      *
  71      * <p>
  72      * This configuration is a replacement of configuration device data
  73      * which is normally stored in configuration datastore but is absent for call-home devices.
  74      *
  75      * @return {@link Node} containing the default device configuration
  76      */
  77     // FIXME make these defaults tune-able in odl-netconf-callhome-server
  78     Node getConfigNode() {
  79         return new NodeBuilder()
  80                 .setNodeId(getId())
  81                 .addAugmentation(new NetconfNodeBuilder()
  82                         .setHost(new Host(key.getIpAddress()))
  83                         .setPort(key.getPort())
  84                         .setTcpOnly(false)
  85                         .setProtocol(new ProtocolBuilder()
  86                                 .setName(Protocol.Name.valueOf(protocol.getTransportType().name()))
  87                                 .build())
  88                         .setSchemaless(false)
  89                         .setReconnectOnChangedSchema(false)
  90                         .setConnectionTimeoutMillis(Uint32.valueOf(20000))
  91                         .setDefaultRequestTimeoutMillis(Uint32.valueOf(60000))
  92                         .setMaxConnectionAttempts(Uint32.ZERO)
  93                         .setBetweenAttemptsTimeoutMillis(Uint16.valueOf(2000))
  94                         .setSleepFactor(Decimal64.valueOf("1.5"))
  95                         .setKeepaliveDelay(Uint32.valueOf(120))
  96                         .setConcurrentRpcLimit(Uint16.ZERO)
  97                         .setActorResponseWaitTime(Uint16.valueOf(5))
  98                         // the real call-home device credentials are applied in CallHomeAuthProviderImpl
  99                         .setCredentials(new LoginPasswordBuilder()
 100                                 .setUsername("omitted")
 101                                 .setPassword("omitted")
 102                                 .build())
 103                     .build())
 104                 .build();
 105     }
 106
 107     Future<NetconfClientSession> activateNetconfChannel(final NetconfClientSessionListener sessionListener) {
 108         return activator.activate(wrap(sessionListener));
 109     }
 110
 111     @Override
 112     public String toString() {
 113         return MoreObjects.toStringHelper(this)
 114                 .add("address", protocol.getRemoteAddress())
 115                 .add("hostKey", protocol.getRemoteServerKey())
 116                 .toString();
 117     }
 118
 119     private NetconfClientSessionListener wrap(final NetconfClientSessionListener delegate) {
 120         return new NetconfClientSessionListener() {
 121             @Override
 122             public void onSessionUp(final NetconfClientSession session) {
 123                 delegate.onSessionUp(session);
 124             }
 125
 126             @Override
 127             public void onSessionTerminated(final NetconfClientSession session, final NetconfTerminationReason reason) {
 128                 try {
 129                     delegate.onSessionTerminated(session, reason);
 130                 } finally {
 131                     removeSelf();
 132                 }
 133             }
 134
 135             @Override
 136             public void onSessionDown(final NetconfClientSession session, final Exception exc) {
 137                 try {
 138                     removeSelf();
 139                 } finally {
 140                     delegate.onSessionDown(session, exc);
 141                 }
 142             }
 143
 144             @Override
 145             public void onMessage(final NetconfClientSession session, final NetconfMessage message) {
 146                 delegate.onMessage(session, message);
 147             }
 148         };
 149     }
 150
 151     private void removeSelf() {
 152         onClose.onClosed(this);
 153     }
 154 }