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// Copyright (C) 2013-2020 Bayerische Motoren Werke Aktiengesellschaft (BMW AG)
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#if !defined (COMMONAPI_INTERNAL_COMPILATION)
#error "Only <CommonAPI/CommonAPI.hpp> can be included directly, this file may disappear or change contents."
#endif
#ifndef COMMONAPI_DBUS_DBUSERROREVENT_HPP_
#define COMMONAPI_DBUS_DBUSERROREVENT_HPP_
#include <CommonAPI/Event.hpp>
#include <CommonAPI/DBus/DBusInputStream.hpp>
namespace CommonAPI {
namespace DBus {
template <class...>
class DBusErrorEvent;
template<>
class DBusErrorEvent<> : public Event<std::string> {
public:
DBusErrorEvent(const std::string &_errorName) :
errorName_(_errorName) {}
DBusErrorEvent(const DBusErrorEvent &_source) :
errorName_(_source.errorName_) {}
virtual ~DBusErrorEvent() {}
inline const std::string & getErrorName() const {
return errorName_;
}
void notifyErrorEventListeners(const DBusMessage &_reply) {
(void)_reply;
this->notifyListeners(errorName_);
}
private:
std::string errorName_;
};
template <
template <class...> class In_, class... InArgs_,
template <class...> class DeplIn_, class... DeplIn_Args>
class DBusErrorEvent<
In_<InArgs_...>,
DeplIn_<DeplIn_Args...>> : public Event<std::string, InArgs_...> {
public:
DBusErrorEvent(const std::string &_errorName,
const std::tuple<DeplIn_Args*...> &_in) :
errorName_(_errorName) {
initialize(typename make_sequence_range<sizeof...(DeplIn_Args), 0>::type(), _in);
}
DBusErrorEvent(const DBusErrorEvent &_source) :
errorName_(_source.errorName_),
in_(_source.in_) {}
virtual ~DBusErrorEvent() {}
inline const std::string & getErrorName() const {
return errorName_;
}
void notifyErrorEventListeners(const DBusMessage &_reply) {
deserialize(_reply, typename make_sequence_range<sizeof...(InArgs_), 0>::type());
}
private:
template <size_t... DeplIn_ArgIndices>
inline void initialize(index_sequence<DeplIn_ArgIndices...>, const std::tuple<DeplIn_Args*...> &_in) {
in_ = std::make_tuple(std::get<DeplIn_ArgIndices>(_in)...);
}
template <size_t... InArgIndices_>
void deserialize(const DBusMessage &_reply,
index_sequence<InArgIndices_...>) {
if (sizeof...(InArgs_) > 0) {
DBusInputStream dbusInputStream(_reply);
const bool success = DBusSerializableArguments<CommonAPI::Deployable<InArgs_, DeplIn_Args>...>::deserialize(dbusInputStream, std::get<InArgIndices_>(in_)...);
if (!success) {
COMMONAPI_ERROR("DBusErrorEvent::", __func__, "(", errorName_, "): deserialization failed!");
return;
}
this->notifyListeners(errorName_, std::move(std::get<InArgIndices_>(in_).getValue())...);
}
}
std::string errorName_;
std::tuple<CommonAPI::Deployable<InArgs_, DeplIn_Args>...> in_;
};
class DBusErrorEventHelper {
public:
template <size_t... ErrorEventsIndices_, class... ErrorEvents_>
static void notifyListeners(const DBusMessage &_reply,
const std::string &_errorName,
index_sequence<ErrorEventsIndices_...>,
const std::tuple<ErrorEvents_*...> &_errorEvents) {
notifyListeners(_reply, _errorName, std::get<ErrorEventsIndices_>(_errorEvents)...);
}
template <class ErrorEvent_>
static void notifyListeners(const DBusMessage &_reply,
const std::string &_errorName,
ErrorEvent_ *_errorEvent) {
if(_errorEvent->getErrorName() == _errorName)
_errorEvent->notifyErrorEventListeners(_reply);
}
template <class ErrorEvent_, class... Rest_>
static void notifyListeners(const DBusMessage &_reply,
const std::string &_errorName,
ErrorEvent_ *_errorEvent,
Rest_&... _rest) {
if(_errorEvent->getErrorName() == _errorName)
_errorEvent->notifyErrorEventListeners(_reply);
notifyListeners(_reply, _errorName, _rest...);
}
};
} // namespace DBus
} // namespace CommonAPI
#endif /* COMMONAPI_DBUS_DBUSERROREVENT_HPP_ */
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