{

protected:

Socket::Adapter &sock;

const ServerSettings &settings;

ServerControls &controls;

public:

ServerProtocol(

Socket::Adapter &sock,

const ServerSettings &settings,

ServerControls &controls

) noexcept;

ServerProtocol(const ServerProtocol &prot) noexcept;

virtual ~ServerProtocol() noexcept = default;

static DataVariant::DataReceiver *

createDataReceiver(

const Transfer::request_data *rd,

const std::unordered_map<std::string, DataVariant::Abstract *> &variants

);

static void destroyDataReceiver(void *src);

protected:

void runApplication(

struct Request &req,

const ServerApplicationSettings &appSets

) const;

public:

virtual bool sendHeaders(

const Http::StatusCode status,

std::vector<std::pair<std::string, std::string> > &headers,

const std::chrono::milliseconds &timeout,

const bool endStream = true

) const = 0;

virtual long sendData(

const void *src,

size_t size,

const std::chrono::milliseconds &timeout,

DataTransfer *dt

) const = 0;

virtual bool packRequestParameters(

std::vector<char> &buf,

const struct Request &req,

const std::string &rootDir

) const = 0;

virtual void unpackResponseParameters(

struct Request &req,

const void *src

) const = 0;

virtual ServerProtocol *process() = 0;

virtual void close() = 0;