108 lines
3.2 KiB
C++
108 lines
3.2 KiB
C++
#include <iostream>
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#include <string>
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#include <functional>
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#include <thread>
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#include <boost/asio.hpp>
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#include <algorithm>
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#include "chat_messages.hpp"
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namespace chat
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{
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using namespace chat;
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using namespace boost;
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using boost::asio::ip::tcp;
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class client_network_manager
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{
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private:
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asio::io_service& _ios;
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tcp::socket _socket;
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asio::streambuf _isb;//<-------.
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asio::streambuf _osb;//<---. |
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std::istream _is;//--------|---'
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std::ostream _os;//--------'
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std::string _login;
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static void throw_if_error(boost::system::error_code& ec)
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{
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if (ec)
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throw std::runtime_error("Networking error: " + ec.message());
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}
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std::string receive_message_sync()
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{
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std::string data;
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asio::read_until(_socket, _isb, static_cast<char>(message::TERM));
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std::getline(_is, data, static_cast<char>(message::TERM));
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return data;
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}
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void handshake(boost::system::error_code ec, tcp::resolver::iterator)
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{
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throw_if_error(ec);
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std::cout << receive_message_sync() << '\n';
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_os << chat_message(message::HELLO);
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_os << chat_message(message::NEPTUN, _login);
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std::reverse(_login.begin(), _login.end());
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_os << chat_message(message::PASSW, _login);
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asio::write(_socket, _osb);
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std::cout << receive_message_sync() << '\n';
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std::cout << receive_message_sync() << '\n';
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std::cout << receive_message_sync() << '\n';
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receive();
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}
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void receive()
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{
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asio::async_read(_socket, _isb,
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[this](boost::system::error_code ec, size_t)
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{
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throw_if_error(ec);
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std::string data;
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std::getline(_is, data, static_cast<char>(message::TERM));
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std::cout << data << std::endl;
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receive();
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});
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}
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void connect(tcp::resolver::iterator epit)
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{
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asio::async_connect
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(
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_socket, epit,
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std::bind(&client_network_manager::handshake,
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this, std::placeholders::_1,
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std::placeholders::_2)
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);
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}
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public:
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client_network_manager(asio::io_service& ioservice,
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tcp::resolver::iterator epit,
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std::string login)
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: _ios(ioservice), _socket(_ios), _isb(), _osb(), _is(&_isb), _os(&_osb), _login(login)
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{ connect(epit); }
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void send(chat_message message)
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{
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_ios.post([this, message]
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{
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asio::async_write(_socket, asio::buffer(message.get()),
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[](boost::system::error_code, size_t)
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{});
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});
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}
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};
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} |