boost_beast/test/core/doc_snippets.cpp

//
// Copyright (c) 2013-2017 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)
//

//[snippet_core_1a

#include <beast/core.hpp>
#include <boost/asio.hpp>
#include <iostream>
#include <thread>

//]

using namespace beast;

namespace doc_core_snippets {

void fxx()
{

//[snippet_core_1b
//
using namespace beast;

boost::asio::io_service ios;
boost::asio::io_service::work work{ios};
std::thread t{[&](){ ios.run(); }};

error_code ec;
boost::asio::ip::tcp::socket sock{ios};

//]

{
//[snippet_core_2

char const* const host = "www.example.com";
boost::asio::ip::tcp::resolver r{ios};
boost::asio::ip::tcp::socket stream{ios};
boost::asio::connect(stream, r.resolve({host, "http"}));

// At this point `stream` is a connected to a remote
// host and may be used to perform stream operations.

//]
}

} // fxx()

//[snippet_core_3

template<class SyncWriteStream>
void write_string(SyncWriteStream& stream, string_view s)
{
    static_assert(is_sync_write_stream<SyncWriteStream>::value,
        "SyncWriteStream requirements not met");
    boost::asio::write(stream, boost::asio::const_buffers_1(s.data(), s.size()));
}

//]

} // doc_core_snippets