rippled/Subtrees/websocket/src/sockets/plain.hpp

/*
 * 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.
 * 
 */

#error Use Auto TLS only

#ifndef WEBSOCKETPP_SOCKET_PLAIN_HPP
#define WEBSOCKETPP_SOCKET_PLAIN_HPP

#include "socket_base.hpp"

#include <boost/asio.hpp>
#include <boost/function.hpp>

#include <iostream>

#ifdef _MSC_VER
// Disable "warning C4355: 'this' : used in base member initializer list".
#   pragma warning(push)
#   pragma warning(disable:4355)
#endif

namespace websocketpp {
namespace socket {

template <typename endpoint_type>
class plain : boost::noncopyable {
public:
    boost::asio::io_service& get_io_service() {
        return m_io_service;
    }
    
    bool is_secure() {
        return false;
    }
    
    // hooks that this policy adds to handlers of connections that use it
    class handler_interface {
    public:
    	virtual ~handler_interface() {}
    	
        virtual void on_tcp_init() {};
    };
    
    // Connection specific details
    template <typename connection_type>
    class connection {
    public:
        // should these two be public or protected. If protected, how?
        boost::asio::ip::tcp::socket& get_raw_socket() {
            return m_socket;
        }
        
        boost::asio::ip::tcp::socket& get_socket() {
            return m_socket;
        }
        
        bool is_secure() {
            return false;
        }
    protected:
        connection(plain<endpoint_type>& e)
         : m_socket(e.get_io_service())
         , m_connection(static_cast< connection_type& >(*this)) {}
        
        void init() {
            
        }
        
        void async_init(socket_init_callback callback) {
            m_connection.get_handler()->on_tcp_init();
            
            // TODO: make configuration option for NO_DELAY
            m_socket.set_option(boost::asio::ip::tcp::no_delay(true));
            
            // TODO: should this use post()?
            callback(boost::system::error_code());
        }
        
        bool shutdown() {
            boost::system::error_code ignored_ec;
            m_socket.shutdown(boost::asio::ip::tcp::socket::shutdown_both,ignored_ec);
            
            if (ignored_ec) {
                return false;
            } else {
                return true;
            }
        }
    private:
        boost::asio::ip::tcp::socket m_socket;
        connection_type&             m_connection;
    };
protected:
    plain (boost::asio::io_service& m) : m_io_service(m) {}
private:
    boost::asio::io_service& m_io_service;
};

    
} // namespace socket
} // namespace websocketpp

#ifdef _MSC_VER
#   pragma warning(pop)
#endif

#endif // WEBSOCKETPP_SOCKET_PLAIN_HPP