forked from boostorg/beast
dd71b0f94d
fix #575, fix #604, fix #608, fix #634, fix #712 All examples are rewritten: * Using Best Practices * Mostly self-contained * New examples to complete the feature matrix * The server-framework example is removed
125 lines
3.7 KiB
C++
125 lines
3.7 KiB
C++
//
|
|
// Copyright (c) 2016-2017 Vinnie Falco (vinnie dot falco at gmail dot com)
|
|
//
|
|
// Distributed under the Boost Software License, Version 1.0. (See accompanying
|
|
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
|
//
|
|
// Official repository: https://github.com/boostorg/beast
|
|
//
|
|
|
|
//------------------------------------------------------------------------------
|
|
//
|
|
// Example: WebSocket SSL server, synchronous
|
|
//
|
|
//------------------------------------------------------------------------------
|
|
|
|
#include "example/common/server_certificate.hpp"
|
|
|
|
#include <boost/beast/core.hpp>
|
|
#include <boost/beast/websocket.hpp>
|
|
#include <boost/beast/websocket/ssl.hpp>
|
|
#include <boost/asio/ip/tcp.hpp>
|
|
#include <boost/asio/ssl/stream.hpp>
|
|
#include <cstdlib>
|
|
#include <functional>
|
|
#include <iostream>
|
|
#include <string>
|
|
#include <thread>
|
|
|
|
using tcp = boost::asio::ip::tcp; // from <boost/asio/ip/tcp.hpp>
|
|
namespace ssl = boost::asio::ssl; // from <boost/asio/ssl.hpp>
|
|
namespace websocket = boost::beast::websocket; // from <boost/beast/websocket.hpp>
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
// Echoes back all received WebSocket messages
|
|
void
|
|
do_session(tcp::socket& socket, ssl::context& ctx)
|
|
{
|
|
try
|
|
{
|
|
// Construct the websocket stream around the socket
|
|
websocket::stream<ssl::stream<tcp::socket&>> ws{socket, ctx};
|
|
|
|
// Perform the SSL handshake
|
|
ws.next_layer().handshake(ssl::stream_base::server);
|
|
|
|
// Accept the websocket handshake
|
|
ws.accept();
|
|
|
|
for(;;)
|
|
{
|
|
// This buffer will hold the incoming message
|
|
boost::beast::multi_buffer buffer;
|
|
|
|
// Read a message
|
|
ws.read(buffer);
|
|
|
|
// Echo the message back
|
|
ws.text(ws.got_text());
|
|
ws.write(buffer.data());
|
|
}
|
|
}
|
|
catch(boost::system::system_error const& se)
|
|
{
|
|
// This indicates that the session was closed
|
|
if(se.code() != websocket::error::closed)
|
|
std::cerr << "Error: " << se.code().message() << std::endl;
|
|
}
|
|
catch(std::exception const& e)
|
|
{
|
|
std::cerr << "Error: " << e.what() << std::endl;
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
int main(int argc, char* argv[])
|
|
{
|
|
try
|
|
{
|
|
// Check command line arguments.
|
|
if (argc != 3)
|
|
{
|
|
std::cerr <<
|
|
"Usage: websocket-server-sync-ssl <address> <port>\n" <<
|
|
"Example:\n" <<
|
|
" websocket-server-sync-ssl 0.0.0.0 8080\n";
|
|
return EXIT_FAILURE;
|
|
}
|
|
auto const address = boost::asio::ip::address::from_string(argv[1]);
|
|
auto const port = static_cast<unsigned short>(std::atoi(argv[2]));
|
|
|
|
// The io_service is required for all I/O
|
|
boost::asio::io_service ios{1};
|
|
|
|
// The SSL context is required, and holds certificates
|
|
ssl::context ctx{ssl::context::sslv23};
|
|
|
|
// This holds the self-signed certificate used by the server
|
|
load_server_certificate(ctx);
|
|
|
|
// The acceptor receives incoming connections
|
|
tcp::acceptor acceptor{ios, {address, port}};
|
|
for(;;)
|
|
{
|
|
// This will receive the new connection
|
|
tcp::socket socket{ios};
|
|
|
|
// Block until we get a connection
|
|
acceptor.accept(socket);
|
|
|
|
// Launch the session, transferring ownership of the socket
|
|
std::thread{std::bind(
|
|
&do_session,
|
|
std::move(socket),
|
|
std::ref(ctx))}.detach();
|
|
}
|
|
}
|
|
catch (const std::exception& e)
|
|
{
|
|
std::cerr << "Error: " << e.what() << std::endl;
|
|
return EXIT_FAILURE;
|
|
}
|
|
}
|