/*
    * 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.commandexec.ssl.client;
  
  import io.netty.channel.ChannelHandlerContext;
  import org.waarp.commandexec.client.LocalExecClientHandler;
  import org.waarp.commandexec.client.LocalExecClientInitializer;
  import org.waarp.commandexec.utils.LocalExecDefaultResult;
  import org.waarp.common.crypto.ssl.WaarpSslUtility;
  import org.waarp.common.logging.WaarpLogger;
  import org.waarp.common.logging.WaarpLoggerFactory;
  
  import javax.net.ssl.SSLException;
  
  /**
   *
   */
  public class LocalExecSslClientHandler extends LocalExecClientHandler {
    /**
     * Internal Logger
     */
    private static final WaarpLogger logger =
        WaarpLoggerFactory.getLogger(LocalExecSslClientHandler.class);
  
    /**
     * @param factory
     */
    public LocalExecSslClientHandler(final LocalExecClientInitializer factory) {
      super(factory);
    }
  
    @Override
    public void channelRegistered(final ChannelHandlerContext ctx)
        throws Exception {
      WaarpSslUtility.addSslOpenedChannel(ctx.channel());
      super.channelRegistered(ctx);
    }
  
    @Override
    public void exceptionCaught(final ChannelHandlerContext ctx,
                                final Throwable cause) {
      logger.warn("Unexpected exception from Outband while get information: " +
                  firstMessage, cause);
      if (firstMessage) {
        firstMessage = false;
        result.set(LocalExecDefaultResult.BadTransmition);
        result.setException((Exception) cause);
        back = new StringBuilder("Error in LocalExec: ").append(
            result.getException().getMessage()).append('\n');
      } else {
        if (cause instanceof SSLException) {
          // ignore ?
          logger.warn("Ignore exception ?", cause);
          return;
        }
        back.append("\nERROR while receiving answer: ");
        result.setException((Exception) cause);
        back.append(result.getException().getMessage()).append('\n');
      }
      actionBeforeClose(ctx.channel());
      WaarpSslUtility.closingSslChannel(ctx.channel());
    }
  }