/*
    * This file is part of Waarp Project (named also Waarp or GG).
    *
    *  Copyright (c) 2019, Waarp SAS, and individual contributors by the @author
    *  tags. See the COPYRIGHT.txt in the distribution for a full listing of
    * individual contributors.
    *
    *  All Waarp Project is free software: you can redistribute it and/or
    * modify it under the terms of the GNU General Public License as published by
   * the Free Software Foundation, either version 3 of the License, or (at your
   * option) any later version.
   *
   * Waarp is distributed in the hope that it will be useful, but WITHOUT ANY
   * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
   * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
   *
   *  You should have received a copy of the GNU General Public License along with
   * Waarp . If not, see <http://www.gnu.org/licenses/>.
   */
  package org.waarp.openr66.proxy.network.ssl;
  
  import io.netty.channel.ChannelPipeline;
  import io.netty.channel.socket.SocketChannel;
  import io.netty.handler.ssl.SslHandler;
  import io.netty.handler.timeout.IdleStateHandler;
  import io.netty.handler.traffic.ChannelTrafficShapingHandler;
  import io.netty.handler.traffic.GlobalTrafficShapingHandler;
  import org.waarp.openr66.protocol.networkhandler.ssl.NetworkSslServerInitializer;
  import org.waarp.openr66.proxy.network.NetworkPacketCodec;
  
  import java.util.concurrent.TimeUnit;
  
  import static org.waarp.openr66.protocol.configuration.Configuration.*;
  import static org.waarp.openr66.protocol.networkhandler.NetworkServerInitializer.*;
  
  /**
   *
   */
  public class NetworkSslServerInitializerProxy
      extends NetworkSslServerInitializer {
    /**
     * @param isClient True if this Factory is to be used in Client mode
     */
    public NetworkSslServerInitializerProxy(final boolean isClient) {
      super(isClient);
    }
  
    @Override
    protected void initChannel(final SocketChannel ch) {
      final ChannelPipeline pipeline = ch.pipeline();
      // Add SSL handler first to encrypt and decrypt everything.
      final SslHandler sslHandler;
      if (isClient) {
        // Not server: no clientAuthent, no renegotiation
        sslHandler = getWaarpSslContextFactory().createHandlerClient(ch);
      } else {
        // Server: no renegotiation still, but possible clientAuthent
        sslHandler = getWaarpSslContextFactory().createHandlerServer(
            getWaarpSslContextFactory().needClientAuthentication(), ch);
      }
      pipeline.addLast(SSL_HANDLER, sslHandler);
  
      pipeline.addLast(TIMEOUT, new IdleStateHandler(true, 0, 0,
                                                     configuration.getTimeoutCon(),
                                                     TimeUnit.MILLISECONDS));
      final GlobalTrafficShapingHandler handler =
          configuration.getGlobalTrafficShapingHandler();
      if (handler != null) {
        pipeline.addLast(LIMITGLOBAL, handler);
      }
      pipeline.addLast(LIMITCHANNEL, new ChannelTrafficShapingHandler(
          configuration.getServerChannelWriteLimit(),
          configuration.getServerChannelReadLimit(),
          configuration.getDelayLimit(), configuration.getTimeoutCon()));
      pipeline.addLast(NETWORK_CODEC, new NetworkPacketCodec());
      pipeline.addLast(configuration.getHandlerGroup(), NETWORK_HANDLER,
                       new NetworkSslServerHandler(!isClient));
    }
  }