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// MessagePack for C++ example
//
// Copyright (C) 2017 KONDO Takatoshi
//
// 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)
//
#include <string>
#include <sstream>
#include <iostream>
#include <boost/asio.hpp>
#include <boost/lexical_cast.hpp>
#include <msgpack.hpp>
int main() {
boost::asio::io_service ios;
std::uint16_t const port = 12345;
// Server
std::size_t const window_size = 10;
boost::asio::ip::tcp::acceptor ac(ios, boost::asio::ip::tcp::endpoint(boost::asio::ip::tcp::v4(), port));
boost::asio::ip::tcp::socket ss(ios);
std::function<void()> do_accept;
std::function<void()> do_async_read_some;
msgpack::unpacker unp;
do_accept = [&] {
ac.async_accept(
ss,
[&]
(boost::system::error_code const& e) {
if (e) {
std::cout << __LINE__ << ":" << e.message() << std::endl;
return;
}
do_async_read_some = [&] {
unp.reserve_buffer(window_size);
ss.async_read_some(
boost::asio::buffer(unp.buffer(), window_size),
[&](boost::system::error_code const& e, std::size_t bytes_transferred) {
if (e) {
std::cout << __LINE__ << ":" << e.message() << std::endl;
return;
}
std::cout << bytes_transferred << " bytes read." << std::endl;
unp.buffer_consumed(bytes_transferred);
msgpack::object_handle oh;
while (unp.next(oh)) {
std::cout << oh.get() << std::endl;
// In order to finish the program,
// return if one complete msgpack is processed.
// In actual server, don't return here.
return;
}
do_async_read_some();
}
);
};
do_async_read_some();
}
);
};
do_accept();
// Client
auto host = "localhost";
boost::asio::ip::tcp::resolver r(ios);
#if BOOST_VERSION < 106600
boost::asio::ip::tcp::resolver::query q(host, boost::lexical_cast<std::string>(port));
auto it = r.resolve(q);
boost::asio::ip::tcp::resolver::iterator end;
#else // BOOST_VERSION < 106600
auto eps = r.resolve(host, boost::lexical_cast<std::string>(port));
auto it = eps.begin();
auto end = eps.end();
#endif // BOOST_VERSION < 106600
boost::asio::ip::tcp::socket cs(ios);
boost::asio::async_connect(
cs,
it,
end,
[&]
(boost::system::error_code const& e, boost::asio::ip::tcp::resolver::iterator) {
if (e) {
std::cout << __LINE__ << ":" << e.message() << std::endl;
return;
}
std::cout << __LINE__ << ":client connected" << std::endl;
msgpack::sbuffer sb;
msgpack::pack(sb, std::make_tuple(42, false, "hello world", 12.3456));
write(cs, boost::asio::buffer(sb.data(), sb.size()));
}
);
// Start
ios.run();
}
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