rewrite adc_net_concepts.h

This commit is contained in:
Timur A. Fatkhullin 2024-09-10 00:36:20 +03:00
parent fd0625a84b
commit 56bf7abcb7

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@ -14,6 +14,47 @@ ABSTRACT DEVICE COMPONENTS LIBRARY
/* DEFINITIONS OF NETWORK COMPONENTS INTERFACES */ /* DEFINITIONS OF NETWORK COMPONENTS INTERFACES */
namespace adc::traits
{
template <typename T>
// from https://stackoverflow.com/questions/74383254/concept-that-models-only-the-stdchrono-duration-types
concept adc_time_duration_c = requires {
[]<class Rep, class Period>(std::type_identity<std::chrono::duration<Rep, Period>>) {}(std::type_identity<T>());
};
template <adc_time_duration_c... Ts>
struct adc_duration_common_type;
template <adc_time_duration_c T1, adc_time_duration_c T2>
struct adc_duration_common_type<T1, T2> : std::common_type<T1, T2> {
};
template <adc_time_duration_c T1, adc_time_duration_c T2, adc_time_duration_c... Ts>
struct adc_duration_common_type<T1, T2, Ts...> : adc_duration_common_type<std::common_type_t<T1, T2>, Ts...> {
};
template <adc_time_duration_c... Ts>
using adc_duration_common_type_t = typename adc_duration_common_type<Ts...>::type;
/* all STL helper duration types */
using adc_common_duration_t = adc_duration_common_type_t<std::chrono::nanoseconds,
std::chrono::microseconds,
std::chrono::milliseconds,
std::chrono::seconds,
std::chrono::minutes,
std::chrono::hours,
std::chrono::days,
std::chrono::weeks,
std::chrono::months,
std::chrono::years>;
/* /*
struct NetService { struct NetService {
typedef ImplementationDependentT netservice_ident_t; typedef ImplementationDependentT netservice_ident_t;
@ -21,22 +62,22 @@ ABSTRACT DEVICE COMPONENTS LIBRARY
typedef ImplementationDependentT endpoint_t; typedef ImplementationDependentT endpoint_t;
template<typename Rep, typename Period> template<typename Rep, typename Period>
auto asyncAccept(const endpoint_t&, const async_ctx_t&, const std::chrono::duration<Rep, Period>&) auto asyncAccept(const endpoint_t&, async_ctx_t&, const std::chrono::duration<Rep, Period>&)
template<typename Rep, typename Period> template<typename Rep, typename Period>
auto asyncConnect(const endpoint_t&, const async_ctx_t&, const std::chrono::duration<Rep, Period>&) auto asyncConnect(const endpoint_t&, async_ctx_t&, const std::chrono::duration<Rep, Period>&)
template<typename Rep, typename Period, adc::traits::adc_input_char_range R> template<typename Rep, typename Period, adc::traits::adc_input_char_range R>
auto asyncSend(const R&, const async_ctx_t&, const std::chrono::duration<Rep, Period>&) auto asyncSend(const R&, async_ctx_t&, const std::chrono::duration<Rep, Period>&)
template<typename Rep, typename Period> template<typename Rep, typename Period>
auto asyncReceived(const async_ctx_t&, const std::chrono::duration<Rep, Period>&) auto asyncReceived(async_ctx_t&, const std::chrono::duration<Rep, Period>&)
template<typename Rep, typename Period> template<typename Rep, typename Period>
auto accept(const endpoint_t&, const async_ctx_t&, const std::chrono::duration<Rep, Period>&) auto accept(const endpoint_t&, const std::chrono::duration<Rep, Period>&)
template<typename Rep, typename Period> template<typename Rep, typename Period>
auto connect(const endpoint_t&, const async_ctx_t&, const std::chrono::duration<Rep, Period>&) auto connect(const endpoint_t&, const std::chrono::duration<Rep, Period>&)
template<typename Rep, typename Period, adc::traits::adc_input_char_range R> template<typename Rep, typename Period, adc::traits::adc_input_char_range R>
auto send(const R&, const std::chrono::duration<Rep, Period>&) auto send(const R&, const std::chrono::duration<Rep, Period>&)
@ -46,75 +87,105 @@ ABSTRACT DEVICE COMPONENTS LIBRARY
} }
*/ */
template <typename SRVT> template <typename SRVT,
concept adc_netservice_c = requires(SRVT srv, const SRVT srv_const) { typename SMSGT = std::string_view, // sending message type
typename SRVT::netservice_ident_t; typename RMSGT = std::string, // receiving message type
typename DURT = adc_common_duration_t // time duration type
>
concept adc_netservice_c = adc_input_char_range<SMSGT> && adc_output_char_range<RMSGT> && adc_time_duration_c<DURT> &&
requires(SRVT srv, const SRVT srv_const) {
typename SRVT::netservice_ident_t;
// netservice_ident_t ident() const // netservice_ident_t ident() const
{ srv_const.ident() } -> std::same_as<typename SRVT::netservice_ident_t>; { srv_const.ident() } -> std::same_as<typename SRVT::netservice_ident_t>;
typename SRVT::async_ctx_t; typename SRVT::async_ctx_t;
typename SRVT::endpoint_t; typename SRVT::endpoint_t;
requires requires { // asynchronous (non-blocking) operations
[]<typename Rep, typename Period>(SRVT& srv_obj, const typename SRVT::endpoint_t& endpoint, asyncAccept(std::declval<const typename SRVT::endpoint_t&>(),
const typename SRVT::async_ctx_t& ctx, std::declval<typename SRVT::async_ctx_t&>(), std::declval<const DURT&>());
const std::chrono::duration<Rep, Period>& timeout) {
srv_obj.asyncAccept(endpoint, ctx, timeout);
srv_obj.asyncConnect(endpoint, ctx, timeout);
srv_obj.accept(endpoint, timeout); asyncConnect(std::declval<const typename SRVT::endpoint_t&>(),
srv_obj.connect(endpoint, timeout); std::declval<typename SRVT::async_ctx_t&>(), std::declval<const DURT&>());
}(srv, typename SRVT::endpoint_t(), typename SRVT::async_ctx_t(), std::chrono::seconds(1));
[]<typename Rep, typename Period, adc::traits::adc_input_char_range R>( asyncSend(std::declval<const SMSGT&>(), std::declval<typename SRVT::async_ctx_t&>(),
SRVT& srv_obj, const R& msg, const typename SRVT::async_ctx_t& ctx, std::declval<const DURT&>());
const std::chrono::duration<Rep, Period>& timeout) {
srv_obj.asyncSend(msg, ctx, timeout);
srv_obj.send(msg, timeout);
}(srv, std::span<const char>(), typename SRVT::async_ctx_t(), std::chrono::seconds(1));
[]<typename Rep, typename Period, adc::traits::adc_output_char_range R>( asyncReceive(std::declval<typename SRVT::async_ctx_t&>(), std::declval<const DURT&>());
SRVT& srv_obj, R& msg, const typename SRVT::async_ctx_t& ctx,
const std::chrono::duration<Rep, Period>& timeout) { // synchronous (blocking) operations
srv_obj.asyncReceive(ctx, timeout); accept(std::declval<const typename SRVT::endpoint_t&>(), std::declval<const DURT&>());
msg = srv_obj.receive(timeout);
}(srv, std::string(), typename SRVT::async_ctx_t(), std::chrono::seconds(1)); connect(std::declval<const typename SRVT::endpoint_t&>(), std::declval<const DURT&>());
};
}; send(std::declval<const SMSGT&>(), std::declval<const DURT&>());
{ receive(std::declval<const DURT&>()) } -> std::same_as<RMSGT>;
// requires requires {
// [](SRVT& srv_obj, const typename SRVT::endpoint_t& endpoint, const typename
// SRVT::async_ctx_t& ctx,
// const DURT& timeout) {
// srv_obj.asyncAccept(endpoint, ctx, timeout);
// srv_obj.asyncConnect(endpoint, ctx, timeout);
// srv_obj.accept(endpoint, timeout);
// srv_obj.connect(endpoint, timeout);
// }(srv, typename SRVT::endpoint_t(), typename SRVT::async_ctx_t(),
// std::chrono::seconds(1));
// []<adc::traits::adc_input_char_range R>(SRVT& srv_obj, const R& msg, const
// typename SRVT::async_ctx_t& ctx,
// const DURT& timeout) {
// srv_obj.asyncSend(msg, ctx, timeout);
// srv_obj.send(msg, timeout);
// }(srv, std::span<const char>(), typename SRVT::async_ctx_t(),
// std::chrono::seconds(1));
// []<adc::traits::adc_output_char_range R>(SRVT& srv_obj, R& msg, const typename
// SRVT::async_ctx_t& ctx,
// const DURT& timeout) {
// srv_obj.asyncReceive(ctx, timeout);
// msg = srv_obj.receive(timeout);
// }(srv, std::string(), typename SRVT::async_ctx_t(), std::chrono::seconds(1));
// };
};
/* NETWORK SESSION */ /* NETWORK SESSION */
template<typename SESST> template <typename SESST>
concept adc_netsession_c = std::derived_from<SESST, std::enable_shared_from_this<SESST>> concept adc_netsession_c =
&& requires(SESST sess, const SESST sess_const) { std::derived_from<SESST, std::enable_shared_from_this<SESST>> && requires(SESST sess, const SESST sess_const) {
typename SESST::netsession_ident_t; typename SESST::netsession_ident_t;
// netsession_ident_t ident() const // netsession_ident_t ident() const
{ sess_const.ident() } -> std::same_as<typename SESST::netsession_ident_t>; { sess_const.ident() } -> std::same_as<typename SESST::netsession_ident_t>;
sess.start(); sess.start();
sess.stop(); sess.stop();
}; };
/* NETWORK SESSION-LEVEL PROTOCOL */ /* NETWORK SESSION-LEVEL PROTOCOL */
template<typename SESS_PROTOT> template <typename SESS_PROTOT>
concept adc_netsession_proto_c = requires(SESS_PROTOT proto, const SESS_PROTOT proto_const) { concept adc_netsession_proto_c = requires(SESS_PROTOT proto, const SESS_PROTOT proto_const) {
typename SESS_PROTOT::proto_ident_t; typename SESS_PROTOT::proto_ident_t;
// proto_ident_t ident() const (const method) // proto_ident_t ident() const (const method)
{ proto_const.ident() } -> std::same_as<typename SESS_PROTOT::proto_ident_t>; { proto_const.ident() } -> std::same_as<typename SESS_PROTOT::proto_ident_t>;
[]<std::input_iterator IT>(const SESS_PROTOT &proto, IT begin, IT end) -> std::tuple<IT, IT, bool> { []<std::input_iterator IT>(const SESS_PROTOT& proto, IT begin, IT end) -> std::tuple<IT, IT, bool> {
return proto.parse(begin, end); return proto.parse(begin, end);
}; };
// must return a view of R-range! // must return a view of R-range!
[]<std::ranges::range R>(SESS_PROTOT obj, const R &r) -> std::ranges::view auto { []<std::ranges::range R>(SESS_PROTOT obj, const R& r) -> std::ranges::view auto { return obj.from(r); }(
return obj.from(r); proto, std::string());
}(proto, std::string());
}; };
} // namespace adc::traits