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/*
* Copyright (c) 2019, Ford Motor Company
* 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 Ford Motor Company 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 HOLDER 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.
*/
#ifndef SRC_COMPONENTS_TRANSPORT_MANAGER_TEST_INCLUDE_TRANSPORT_MANAGER_CLOUD_SAMPLE_WEBSOCKET_SERVER_H_
#define SRC_COMPONENTS_TRANSPORT_MANAGER_TEST_INCLUDE_TRANSPORT_MANAGER_CLOUD_SAMPLE_WEBSOCKET_SERVER_H_
#include <boost/asio/bind_executor.hpp>
#include <boost/asio/ip/tcp.hpp>
#include <boost/asio/placeholders.hpp>
#include <boost/asio/ssl/stream.hpp>
#include <boost/asio/strand.hpp>
#include <boost/asio/thread_pool.hpp>
#include <boost/beast/core.hpp>
#include <boost/beast/websocket.hpp>
#include <boost/beast/websocket/ssl.hpp>
#include <boost/make_shared.hpp>
#include <boost/thread/thread.hpp>
#include <iostream>
#include <queue>
#include <set>
#include <string>
#include <thread>
namespace sample {
namespace websocket {
namespace beast = boost::beast; // from <boost/beast.hpp>
namespace http = beast::http; // from <boost/beast/http.hpp>
namespace websocket = beast::websocket; // from <boost/beast/websocket.hpp>
namespace net = boost::asio; // from <boost/asio.hpp>
namespace ssl = boost::asio::ssl; // from <boost/asio/ssl.hpp>
using tcp = boost::asio::ip::tcp; // from <boost/asio/ip/tcp.hpp>
// Accepts incoming connections and launches the WSServer
class WSSession : public std::enable_shared_from_this<WSSession> {
private:
class WSServer : public std::enable_shared_from_this<WSServer> {
public:
explicit WSServer(tcp::socket&& socket);
void AddURLRoute(const std::string& route);
// Start the asynchronous operation
void Run();
private:
void OnWebsocketHandshake(const boost::system::error_code& ec);
void OnAccept(beast::error_code ec);
// Check if route can be handled by the server
bool CanHandleRoute(const std::string& route);
std::string ParseRouteFromTarget(const std::string& target);
websocket::stream<tcp::socket> ws_;
beast::flat_buffer buffer_;
boost::asio::strand<boost::asio::io_context::executor_type> strand_;
http::request<http::string_body> req_;
std::set<std::string> url_routes_;
};
public:
WSSession(const std::string& address, uint16_t port);
// Start Accepting incoming connections
void Run();
void Stop();
// Add route endpoint which can be handled the server
void AddRoute(const std::string& route);
private:
void on_accept(boost::system::error_code ec);
boost::asio::io_context ioc_;
boost::asio::thread_pool io_pool_;
const std::string& address_;
uint16_t port_;
tcp::acceptor acceptor_;
tcp::socket socket_;
beast::flat_buffer buffer_;
boost::asio::ip::tcp::endpoint endpoint_;
std::shared_ptr<WSServer> ws_;
std::queue<std::string> buffered_routes_;
};
// Accepts incoming connections and launches the sessions
class WSSSession : public std::enable_shared_from_this<WSSSession> {
private:
class WSSServer : public std::enable_shared_from_this<WSSServer> {
public:
// Take ownership of the socket
WSSServer(tcp::socket&& socket, ssl::context& ctx);
void AddURLRoute(const std::string& route);
// Start the asynchronous operation
void Run();
private:
void OnSSLHandshake(beast::error_code ec);
void OnWebsocketHandshake(const boost::system::error_code& ec);
void OnAccept(beast::error_code ec);
// Check if route can be handled by the server
bool CanHandleRoute(const std::string& route);
std::string ParseRouteFromTarget(const std::string& target);
websocket::stream<ssl::stream<tcp::socket> > wss_;
beast::flat_buffer buffer_;
http::request<http::string_body> req_;
std::set<std::string> url_routes_;
};
public:
WSSSession(const std::string& address,
uint16_t port,
const std::string& certificate,
const std::string& private_key);
// Start accepting incoming connections
void Run();
void Stop();
// Add route endpoint which can be handled the server
void AddRoute(const std::string& route);
private:
void do_accept();
void on_accept(boost::system::error_code ec);
private:
boost::asio::io_context ioc_;
boost::asio::thread_pool io_pool_;
tcp::acceptor acceptor_;
tcp::socket socket_;
ssl::context ctx_;
tcp::endpoint endpoint_;
std::shared_ptr<WSSServer> wss_;
std::queue<std::string> buffered_routes_;
};
} // namespace websocket
} // namespace sample
#endif // SRC_COMPONENTS_TRANSPORT_MANAGER_TEST_INCLUDE_TRANSPORT_MANAGER_CLOUD_SAMPLE_WEBSOCKET_SERVER_H_
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