lobbyfinder.hpp

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#pragma once
 
#include <boost/asio/io_context.hpp>
#include <boost/asio/ip/udp.hpp>
 
#include <array>
#include <unordered_map>
#include <thread>
#include <atomic>
#include <mutex>
 
#include "shared/network/packet.hpp"
#include "shared/utilities/config.hpp"
 
using namespace boost::asio::ip;
 
using Lobbies = std::unordered_map<udp::endpoint, ServerLobbyBroadcastPacket>;
 
class LobbyFinder {
public:
    LobbyFinder(boost::asio::io_context& io_context, const GameConfig& config);
 
    ~LobbyFinder();
 
    void startSearching();
 
    void stopSearching();
 
    Lobbies getFoundLobbies();
 
private:
    void _searchForLobbyWorker();
 
    std::thread worker_thread;
    std::atomic_bool keep_searching;
 
    udp::socket lobby_discovery_socket;
    std::array<char, 512> lobby_info_buf;
    udp::endpoint endpoint_buf;
 
    std::mutex mut;
    Lobbies lobbies_avail;
};