Method onError

tests/test_udp.cpp:51–51

    void onDisconnected() override { disconnected = true; }
    void onReceived(const asio::ip::udp::endpoint& endpoint, const void* buffer, size_t size) override { ReceiveAsync(); }
    void onError(int error, const std::string& category, const std::string& message) override { errors = true; }

public:
    std::atomic<bool> connected{false};