// Copyright © 2013 sss
//.
// 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; either version 2
// of the License, or (at your option) any later version.
//.
// 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

#ifndef SERVER_H
#define SERVER_H

#include "headers.h"

using boost::asio::ip::tcp;
typedef boost::asio::ssl::stream<boost::asio::ip::tcp::socket> ssl_socket;


class session
{
public:
	session(boost::asio::io_service& io_service, boost::asio::ssl::context& context) : socket_(io_service, context)
	{}

	ssl_socket::lowest_layer_type& socket()
	{
		return socket_.lowest_layer();
	}
	void handle_handshake(const boost::system::error_code& error);

	void start()
	{
		socket_.async_handshake(boost::asio::ssl::stream_base::server, boost::bind(&session::handle_handshake, this, boost::asio::placeholders::error));
	}

private:
	void handle_read(const boost::system::error_code& error, size_t bytes_transferred);

/*  void handle_write(const boost::system::error_code& error)
  {
    if (!error)
    {
      socket_.async_read_some(boost::asio::buffer(data_, max_length),
          boost::bind(&session::handle_read, this,
            boost::asio::placeholders::error,
            boost::asio::placeholders::bytes_transferred));
    }
    else
    {
      delete this;
    }
  }*/

  ssl_socket socket_;
  enum { max_length = 128 };
  char data_[max_length];
};

class server
{
public:
  server(boost::asio::io_service& io_service, short port)
    : io_service_(io_service),
      acceptor_(io_service, tcp::endpoint(boost::asio::ip::address_v4(), port)),
	  context_(boost::asio::ssl::context::sslv23)
  {
   context_.set_options(
        boost::asio::ssl::context::default_workarounds
        | boost::asio::ssl::context::no_sslv2);
    context_.set_password_callback(boost::bind(&server::get_password, this));
    context_.use_certificate_chain_file("/etc/restarter_server/serv.crt");
    context_.use_rsa_private_key_file("/etc/restarter_server/serv.key", boost::asio::ssl::context::pem);
	context_.load_verify_file("/etc/restarter_server/ca.crt");
	context_.set_verify_mode(boost::asio::ssl::verify_peer | boost::asio::ssl::verify_client_once);
    start_accept();
  }

private:
  void start_accept()
  {
    session* new_session = new session(io_service_, context_);
    acceptor_.async_accept(new_session->socket(),
        boost::bind(&server::handle_accept, this, new_session,
          boost::asio::placeholders::error)); 
  }
  std::string get_password() const
  {
    return "";
  }

  void handle_accept(session* new_session,
      const boost::system::error_code& error)
  {
    if (!error)
    {
      new_session->start();
    }
    else
    {
      delete new_session;
    }

    start_accept();
  }

  boost::asio::io_service& io_service_;
  boost::asio::ip::tcp::acceptor acceptor_;
  boost::asio::ssl::context context_;
};

#endif