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