#ifndef _SESSION_H_
#define _SESSION_H_

#include "threadpool.h"
#include <boost/asio.hpp>

class session: boost::asio::coroutine
{
private:
	typedef boost::asio::ip::tcp tcp;
	friend class server;

private:
	tcp::socket _socket;
	char _data[128];
	threadpool _pool;

    // "local" variables
    std::future<int> _fut;

public:
	session() = delete;
	session(session&) = delete;
	session(boost::asio::io_service& io_service);
	void start(boost::system::error_code ec = boost::system::error_code(), std::size_t bytes_transferred = 0);

    template <typename R> std::future<R> call_async(std::function<R()> func)
    {
        return _pool.add_task<R>([this, &func]{
            R result = func();
            _socket.get_io_service().dispatch(std::bind(&session::start, this, boost::system::error_code(), 0));
            return result;
        });
    }

};

#endif // _SESSION_H_