text: 
  #if defined(HAVE_CONFIG_H)
    #include "config.h"
  #endif
  
  #ifdef USE_SSL
  #ifndef ASYNC_TLS_SOCKET_BASE_HXX
  #define ASYNC_TLS_SOCKET_BASE_HXX
  
  #include <asio.hpp>
  #include <asio/ssl.hpp>
  #include <boost/bind.hpp>
  
  #include "AsyncSocketBase.hxx"
  
  namespace reTurn {
  
  class AsyncTlsSocketBase : public AsyncSocketBase
  {
  public:
     AsyncTlsSocketBase(asio::io_service& ioService, asio::ssl::context& context, bool validateServerCertificateHostname); 
     virtual ~AsyncTlsSocketBase();
  
     virtual unsigned int getSocketDescriptor();
  
     virtual asio::error_code bind(const asio::ip::address& address, unsigned short port);
     virtual void connect(const std::string& address, unsigned short port);  
  
     void doHandshake();
  
     virtual void transportReceive();
     virtual void transportFramedReceive();
     virtual void transportSend(const StunTuple& destination, std::vector<asio::const_buffer>& buffers);
     virtual void transportClose();
  
     virtual const asio::ip::address getSenderEndpointAddress();
     virtual unsigned short getSenderEndpointPort();
  
  protected:
     virtual void handleReadHeader(const asio::error_code& e);
     virtual void handleServerHandshake(const asio::error_code& e);
     virtual void handleTcpResolve(const asio::error_code& ec, asio::ip::tcp::resolver::iterator endpoint_iterator);
     virtual void handleConnect(const asio::error_code& ec, asio::ip::tcp::resolver::iterator endpoint_iterator);
     virtual void handleClientHandshake(const asio::error_code& ec, asio::ip::tcp::resolver::iterator endpoint_iterator);
     virtual bool validateServerCertificateHostname();
  
     virtual void onServerHandshakeSuccess() { assert(false); }
     virtual void onServerHandshakeFailure(const asio::error_code& e) { assert(false); }
  
     asio::ssl::stream<asio::ip::tcp::socket> mSocket;
     asio::ip::tcp::resolver mResolver;
  
  private:
     std::string mHostname;
     bool mValidateServerCertificateHostname;
  };
  
  }
  
  #endif 
  #endif
  
  /* ====================================================================
  
   Copyright (c) 2007-2008, Plantronics, Inc.
   All rights reserved.
  
   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions are 
   met:
  
   1. Redistributions of source code must retain the above copyright 
      notice, this list of conditions and the following disclaimer. 
  
   2. Redistributions in binary form must reproduce the above copyright
      notice, this list of conditions and the following disclaimer in the
      documentation and/or other materials provided with the distribution. 
  
   3. Neither the name of Plantronics nor the names of its contributors 
      may be used to endorse or promote products derived from this 
      software without specific prior written permission. 
  
   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 
   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
   ==================================================================== */
  