/*
  Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.

  The MySQL Connector/J is licensed under the terms of the GPLv2
  <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most MySQL Connectors.
  There are special exceptions to the terms and conditions of the GPLv2 as it is applied to
  this software, see the FLOSS License Exception
  <http://www.mysql.com/about/legal/licensing/foss-exception.html>.

  This program 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; version 2
  of the License.

  This program 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 this
  program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth
  Floor, Boston, MA 02110-1301  USA

 */

package com.mysql.jdbc;

import java.net.InetSocketAddress;
import java.net.Proxy;
import java.net.Socket;
import java.util.Properties;

/**
 * A socket factory used to create sockets connecting through a SOCKS proxy. The socket still supports all the same TCP features as the "standard" socket.
 */
public class SocksProxySocketFactory extends StandardSocketFactory {
    public static int SOCKS_DEFAULT_PORT = 1080;

    @Override
    protected Socket createSocket(Properties props) {
        String socksProxyHost = props.getProperty("socksProxyHost");
        String socksProxyPortString = props.getProperty("socksProxyPort", String.valueOf(SOCKS_DEFAULT_PORT));
        int socksProxyPort = SOCKS_DEFAULT_PORT;
        try {
            socksProxyPort = Integer.valueOf(socksProxyPortString);
        } catch (NumberFormatException ex) {
            // ignore. fall back to default
        }

        return new Socket(new Proxy(Proxy.Type.SOCKS, new InetSocketAddress(socksProxyHost, socksProxyPort)));
    }
}