boost/libs/beast/test/doc/core_snippets.cpp
2018-01-12 21:47:58 +01:00

69 lines
1.4 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
//
//[snippet_core_1a
#include <boost/beast/core.hpp>
#include <boost/asio.hpp>
#include <iostream>
#include <thread>
//]
using namespace boost::beast;
namespace doc_core_snippets {
void fxx()
{
//[snippet_core_1b
//
using namespace boost::beast;
boost::asio::io_context ioc;
auto work = boost::asio::make_work_guard(ioc);
std::thread t{[&](){ ioc.run(); }};
error_code ec;
boost::asio::ip::tcp::socket sock{ioc};
//]
{
//[snippet_core_2
char const* const host = "www.example.com";
boost::asio::ip::tcp::resolver r{ioc};
boost::asio::ip::tcp::socket stream{ioc};
auto const results = r.resolve(host, "http");
boost::asio::connect(stream, results.begin(), results.end());
// 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_buffer(s.data(), s.size()));
}
//]
} // doc_core_snippets