netconf/callhome-protocol/src/main/java/org/opendaylight/netconf/callhome/protocol/NetconfCallHomeServerBuilder.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
   9 package org.opendaylight.netconf.callhome.protocol;
  10
  11 import com.google.common.base.Optional;
  12 import io.netty.channel.EventLoopGroup;
  13 import io.netty.channel.local.LocalEventLoopGroup;
  14 import io.netty.util.HashedWheelTimer;
  15 import java.net.InetSocketAddress;
  16 import java.util.concurrent.TimeUnit;
  17 import org.apache.sshd.client.SshClient;
  18 import org.opendaylight.netconf.callhome.protocol.CallHomeSessionContext.Factory;
  19 import org.opendaylight.netconf.client.NetconfClientSessionNegotiatorFactory;
  20 import org.opendaylight.yangtools.concepts.Builder;
  21
  22 public class NetconfCallHomeServerBuilder implements Builder<NetconfCallHomeServer> {
  23
  24     private static final long DEFAULT_SESSION_TIMEOUT_MILLIS = TimeUnit.SECONDS.toMillis(5);
  25     private static final int DEFAULT_CALL_HOME_PORT = 6666;
  26
  27     private SshClient sshClient;
  28     private EventLoopGroup nettyGroup;
  29     private NetconfClientSessionNegotiatorFactory negotiationFactory;
  30     private InetSocketAddress bindAddress;
  31
  32     private final CallHomeAuthorizationProvider authProvider;
  33     private final CallHomeNetconfSubsystemListener subsystemListener;
  34     private final StatusRecorder recorder;
  35
  36     public NetconfCallHomeServerBuilder(final CallHomeAuthorizationProvider authProvider,
  37             final CallHomeNetconfSubsystemListener subsystemListener, final StatusRecorder recorder) {
  38         this.authProvider = authProvider;
  39         this.subsystemListener = subsystemListener;
  40         this.recorder = recorder;
  41     }
  42
  43     @Override
  44     public NetconfCallHomeServer build() {
  45         Factory factory =
  46                 new CallHomeSessionContext.Factory(nettyGroup(), negotiatorFactory(), subsystemListener());
  47         return new NetconfCallHomeServer(sshClient(), authProvider(), factory, bindAddress(), this.recorder);
  48     }
  49
  50     public SshClient getSshClient() {
  51         return sshClient;
  52     }
  53
  54     public void setSshClient(final SshClient sshClient) {
  55         this.sshClient = sshClient;
  56     }
  57
  58     public EventLoopGroup getNettyGroup() {
  59         return nettyGroup;
  60     }
  61
  62     public void setNettyGroup(final EventLoopGroup nettyGroup) {
  63         this.nettyGroup = nettyGroup;
  64     }
  65
  66     public NetconfClientSessionNegotiatorFactory getNegotiationFactory() {
  67         return negotiationFactory;
  68     }
  69
  70     public void setNegotiationFactory(final NetconfClientSessionNegotiatorFactory negotiationFactory) {
  71         this.negotiationFactory = negotiationFactory;
  72     }
  73
  74     public InetSocketAddress getBindAddress() {
  75         return bindAddress;
  76     }
  77
  78     public void setBindAddress(final InetSocketAddress bindAddress) {
  79         this.bindAddress = bindAddress;
  80     }
  81
  82     public CallHomeAuthorizationProvider getAuthProvider() {
  83         return authProvider;
  84     }
  85
  86     private InetSocketAddress bindAddress() {
  87         return bindAddress != null ? bindAddress : defaultBindAddress();
  88     }
  89
  90     private EventLoopGroup nettyGroup() {
  91         return nettyGroup != null ? nettyGroup : defaultNettyGroup();
  92     }
  93
  94     private NetconfClientSessionNegotiatorFactory negotiatorFactory() {
  95         return negotiationFactory != null ? negotiationFactory : defaultNegotiationFactory();
  96     }
  97
  98     private CallHomeNetconfSubsystemListener subsystemListener() {
  99         return subsystemListener;
 100     }
 101
 102     private CallHomeAuthorizationProvider authProvider() {
 103         return authProvider;
 104     }
 105
 106     private SshClient sshClient() {
 107         return sshClient != null ? sshClient : defaultSshClient();
 108     }
 109
 110     private static SshClient defaultSshClient() {
 111         return SshClient.setUpDefaultClient();
 112     }
 113
 114     private static NetconfClientSessionNegotiatorFactory defaultNegotiationFactory() {
 115         return new NetconfClientSessionNegotiatorFactory(new HashedWheelTimer(),
 116                                                          Optional.absent(), DEFAULT_SESSION_TIMEOUT_MILLIS);
 117     }
 118
 119     private static EventLoopGroup defaultNettyGroup() {
 120         return new LocalEventLoopGroup();
 121     }
 122
 123     private static InetSocketAddress defaultBindAddress() {
 124         return new InetSocketAddress(DEFAULT_CALL_HOME_PORT);
 125     }
 126 }