text: /*
   * Copyright (c) 2011, Peter Thorson. All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   *     * Redistributions of source code must retain the above copyright
   *       notice, this list of conditions and the following disclaimer.
   *     * 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.
   *     * Neither the name of the WebSocket++ Project 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 PETER THORSON 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.
   * 
   */
  
  #ifndef WEBSOCKET_CLIENT_SESSION_HPP
  #define WEBSOCKET_CLIENT_SESSION_HPP
  
  #include <boost/asio.hpp>
  #include <boost/bind.hpp>
  
  #include <boost/shared_ptr.hpp>
  #include <boost/enable_shared_from_this.hpp>
  
  #if defined(WIN32)
  #include <winsock2.h>
  #else
  #include <arpa/inet.h>
  #endif
  
  #include <algorithm>
  #include <exception>
  #include <iostream>
  #include <map>
  #include <set>
  #include <sstream>
  #include <string>
  #include <vector>
  
  namespace websocketpp {
  	class client_session;
  	typedef boost::shared_ptr<client_session> client_session_ptr;
  }
  
  #include "websocket_session.hpp"
  #include "websocket_client.hpp"
  
  using boost::asio::ip::tcp;
  
  namespace websocketpp {
  
  class client_session : public session {
  public:
  	client_session (client_ptr c,
  			 boost::asio::io_service& io_service,
  			 connection_handler_ptr defc,
  			 uint64_t buf_size);
  
  	/*** CLIENT INTERFACE ***/
  	
  	// This function is called when a tcp connection has been established and 
  	// the connection is ready to start the opening handshake.
  	void on_connect();
  	
  	/*** HANDSHAKE INTERFACE ***/
  	
  	void set_uri(const std::string& url);
  
  	bool get_secure() const;
  	std::string get_host() const;
  	uint16_t get_port() const;
  
  	// Set an HTTP header for the outgoing client handshake.
  	void set_header(const std::string& key,const std::string& val);
  
  	// adds a subprotocol. This will result in the appropriate 
  	// Sec-WebSocket-Protocol header being sent with the opening connection.
  	// Values will be sent in the order they were added. Servers interpret this
  	// order as the preferred order.
  	void add_subprotocol(const std::string &val);
  	
  	// Sets the origin value that will be sent to the server
  	void set_origin(const std::string &val);
  	
  	// Adds an extension to the extension list. Extensions are sent in the 
  	// order added
  	void add_extension(const std::string& val);
  	
  	/*** SESSION INTERFACE ***/
  	// see session
  	bool is_server() const {return false;}
  
  	void log(const std::string& msg, uint16_t level) const;
  	void access_log(const std::string& msg, uint16_t level) const;
  protected:
  	// Opening handshake processors and callbacks.
  	virtual void write_handshake();
  	virtual void handle_write_handshake(const boost::system::error_code& e);
  	virtual void read_handshake();
  	virtual void handle_read_handshake(const boost::system::error_code& e,
  	                                   std::size_t bytes_transferred);
  	
  private:
  	
  protected:
  	ws_uri		m_uri;
  	// url parts
  	bool		m_secure;
  	std::string	m_host;
  	uint16_t	m_port;
  
  	// handshake stuff
  	std::string	m_client_key;
  
  	// connection resources
  	client_ptr m_client;
  private:
  	
  };
  
  }
  
  #endif // WEBSOCKET_CLIENT_SESSION_HPP
  