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.SshClient;
  18 import org.opendaylight.netconf.api.messages.NetconfHelloMessageAdditionalHeader;
  19 import org.opendaylight.netconf.callhome.protocol.CallHomeSessionContext.Factory;
  20 import org.opendaylight.netconf.client.NetconfClientSessionNegotiatorFactory;
  21 import org.opendaylight.yangtools.concepts.Builder;
  22
  23 public class NetconfCallHomeServerBuilder implements Builder<NetconfCallHomeServer> {
  24
  25     private static final long DEFAULT_SESSION_TIMEOUT_MILLIS = TimeUnit.SECONDS.toMillis(5);
  26     private static final int DEFAULT_CALL_HOME_PORT = 6666;
  27
  28     private SshClient sshClient;
  29     private EventLoopGroup nettyGroup;
  30     private NetconfClientSessionNegotiatorFactory negotiationFactory;
  31     private InetSocketAddress bindAddress;
  32
  33     private final CallHomeAuthorizationProvider authProvider;
  34     private final CallHomeNetconfSubsystemListener subsystemListener;
  35
  36     public NetconfCallHomeServerBuilder(CallHomeAuthorizationProvider authProvider,
  37             CallHomeNetconfSubsystemListener subsystemListener) {
  38         this.authProvider = authProvider;
  39         this.subsystemListener = subsystemListener;
  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());
  47     }
  48
  49     public SshClient getSshClient() {
  50         return sshClient;
  51     }
  52
  53     public void setSshClient(SshClient sshClient) {
  54         this.sshClient = sshClient;
  55     }
  56
  57     public EventLoopGroup getNettyGroup() {
  58         return nettyGroup;
  59     }
  60
  61     public void setNettyGroup(EventLoopGroup nettyGroup) {
  62         this.nettyGroup = nettyGroup;
  63     }
  64
  65     public NetconfClientSessionNegotiatorFactory getNegotiationFactory() {
  66         return negotiationFactory;
  67     }
  68
  69     public void setNegotiationFactory(NetconfClientSessionNegotiatorFactory negotiationFactory) {
  70         this.negotiationFactory = negotiationFactory;
  71     }
  72
  73     public InetSocketAddress getBindAddress() {
  74         return bindAddress;
  75     }
  76
  77     public void setBindAddress(InetSocketAddress bindAddress) {
  78         this.bindAddress = bindAddress;
  79     }
  80
  81     public CallHomeAuthorizationProvider getAuthProvider() {
  82         return authProvider;
  83     }
  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 SshClient defaultSshClient() {
 111         return SshClient.setUpDefaultClient();
 112     }
 113
 114     private NetconfClientSessionNegotiatorFactory defaultNegotiationFactory() {
 115         return new NetconfClientSessionNegotiatorFactory(new HashedWheelTimer(),
 116                 Optional.<NetconfHelloMessageAdditionalHeader>absent(), DEFAULT_SESSION_TIMEOUT_MILLIS);
 117     }
 118
 119     private EventLoopGroup defaultNettyGroup() {
 120         return new LocalEventLoopGroup();
 121     }
 122
 123     private InetSocketAddress defaultBindAddress() {
 124         return new InetSocketAddress(DEFAULT_CALL_HOME_PORT);
 125     }
 126
 127 }