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/*
* Copyright 2019 by its authors. See AUTHORS.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ELDBUS_PROXY_CALL_HH
#define ELDBUS_PROXY_CALL_HH
#include <Eina.hh>
#include <eldbus_error.hh>
#include <eldbus_signature_traits.hh>
#include <eldbus_message_arguments.hh>
#include <eldbus_message.hh>
#include <eldbus_raw_tuple.hh>
#include <eina_integer_sequence.hh>
#include <eina_tuple_unwrap.hh>
#include <tuple>
#include <iostream>
namespace efl { namespace eldbus { namespace _detail {
template <typename T> struct tag {};
template <typename Seq, typename Callback, std::size_t... I>
void _on_call_impl(void* data, Eldbus_Message const* message, Eldbus_Pending* pending)
{
std::unique_ptr<Callback> callback(static_cast<Callback*>(data));
const char* errname, *errmsg;
if (eldbus_message_error_get(message, &errname, &errmsg))
{
Seq tuple_;
::eldbus_message_ref(const_cast<Eldbus_Message*>(message));
eldbus::const_message msg(message);
eina::error_code ec (eldbus::call_error_code(), eina::eina_error_category());
eina::call_tuple_unwrap_prefix
(*callback, tuple_, eina::make_index_sequence<std::tuple_size<Seq>::value>()
, ec, msg, pending);
}
typename raw_tuple<Seq>::type tuple;
if(std::tuple_size<Seq>::value)
{
if(!_detail::_init_raw_tuple<0u, Seq>
(eldbus_message_iter_get(message)
, tuple, std::integral_constant<bool, (std::tuple_size<Seq>::value == 0)>()))
{
Seq tuple_;
::eldbus_message_ref(const_cast<Eldbus_Message*>(message));
eldbus::const_message msg(message);
eina::error_code ec(eldbus::signature_mismatch_error_code(), eina::eina_error_category());
eina::call_tuple_unwrap_prefix
(*callback, tuple_, eina::make_index_sequence<std::tuple_size<Seq>::value>()
, ec, msg, pending);
}
}
eina::error_code ec;
::eldbus_message_ref(const_cast<Eldbus_Message*>(message));
eldbus::const_message msg(message);
eina::call_tuple_unwrap_prefix
(*callback, tuple, eina::make_index_sequence<std::tuple_size<Seq>::value>()
, ec, msg, pending);
}
template <typename Seq, typename Callback>
void _on_call(void* data, Eldbus_Message const* message, Eldbus_Pending* pending)
{
_detail::_on_call_impl<Seq, Callback>(data, message, pending);
}
template <typename R, typename Callback, typename... Args>
void proxy_call_impl2(Eldbus_Proxy* proxy, const char* method, double timeout
, Callback&& callback, Args const&... args)
{
typedef std::tuple<Args...> tuple_args;
char signature[signature_size<tuple_args>::value +1];
_detail::init_signature_array<Args...>
(signature, eina::make_index_sequence<signature_size<tuple_args>::value +1>());
Callback* c = new Callback(std::forward<Callback>(callback));
eldbus_proxy_call(proxy, method, &_on_call<R, Callback>, c, timeout, signature
, _detail::to_raw(args)...);
}
template <typename R, typename Callback, typename... Args>
void proxy_call_impl(tag<R>, Eldbus_Proxy* proxy, const char* method, double timeout
, Callback&& callback, Args const&... args)
{
typedef std::tuple<R> reply_tuple;
_detail::proxy_call_impl2<reply_tuple>(proxy, method, timeout, std::forward<Callback>(callback), args...);
}
template <typename... R, typename Callback, typename... Args>
void proxy_call_impl(tag<std::tuple<R...> >, Eldbus_Proxy* proxy, const char* method, double timeout
, Callback&& callback, Args const&... args)
{
typedef std::tuple<R...> reply_tuple;
_detail::proxy_call_impl2<reply_tuple>(proxy, method, timeout, std::forward<Callback>(callback), args...);
}
template <typename Callback, typename... Args>
void proxy_call_impl(tag<void>, Eldbus_Proxy* proxy, const char* method, double timeout
, Callback&& callback, Args const&... args)
{
typedef std::tuple<> reply_tuple;
_detail::proxy_call_impl2<reply_tuple>(proxy, method, timeout, std::forward<Callback>(callback), args...);
}
template <typename R, typename Callback, typename... Args>
void proxy_call(Eldbus_Proxy* proxy, const char* method, double timeout
, Callback&& callback, Args const&... args)
{
return proxy_call_impl(tag<R>(), proxy, method, timeout, std::forward<Callback>(callback), args...);
}
} } }
#endif