xbot/connection.hpp

#pragma once

#include "linebuffer.hpp"
#include "settings.hpp"
#include "thread.hpp"

#include <boost/asio.hpp>

#include <chrono>
#include <concepts>
#include <iostream>
#include <list>
#include <memory>
#include <string>
#include <string_view>
#include <tuple>
#include <utility>
#include <variant>
#include <vector>

struct ConnectEvent : Event
{
};

struct DisconnectEvent : Event
{
};

struct LineEvent : Event
{
    explicit LineEvent(char * line) : line{line} {}
    char * line;
};

class Connection : public std::enable_shared_from_this<Connection>
{
    boost::asio::ip::tcp::socket stream_;
    boost::asio::steady_timer write_timer_;
    std::list<std::string> write_strings_;
    Dispatcher dispatcher_;

    auto writer() -> void;
    auto writer_() -> void;

public:
    Connection(boost::asio::io_context & io);
    auto add_thread(std::shared_ptr<Thread> thread) -> void;
    auto add_event(std::shared_ptr<Event> event) -> void;

    template <typename T, typename... Args>
    auto make_event(Args&& ... args) {
        add_event(std::make_shared<T>(std::forward<Args>(args)...));
    }

    /// Write bytes into the socket. Messages should be properly newline terminated.
    auto write_raw(std::string message) -> void;

    auto connect(
        boost::asio::io_context & io,
        std::string host,
        std::string port
    ) -> boost::asio::awaitable<void>;

    auto close() -> void;
};