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rippled/src/websocket_client_session.hpp

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/*
* 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