forked from Kistler-Group/sdbus-cpp
Move C++17 uncaught_exceptions to public API
This commit is contained in:
@ -37,7 +37,6 @@ set(SDBUSCPP_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/include/${SDBUSCPP_INCLUDE_
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set(SDBUSCPP_CPP_SRCS
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${SDBUSCPP_SOURCE_DIR}/Connection.cpp
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${SDBUSCPP_SOURCE_DIR}/ConvenienceApiClasses.cpp
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${SDBUSCPP_SOURCE_DIR}/Error.cpp
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${SDBUSCPP_SOURCE_DIR}/Message.cpp
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${SDBUSCPP_SOURCE_DIR}/Object.cpp
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@ -53,7 +53,7 @@ namespace sdbus {
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MethodRegistrator& operator=(MethodRegistrator&& other) = default;
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~MethodRegistrator() noexcept(false);
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MethodRegistrator& onInterface(const std::string& interfaceName);
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MethodRegistrator& onInterface(std::string interfaceName);
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template <typename _Function>
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std::enable_if_t<!is_async_method_v<_Function>, MethodRegistrator&> implementedAs(_Function&& callback);
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template <typename _Function>
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@ -102,7 +102,7 @@ namespace sdbus {
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PropertyRegistrator& operator=(PropertyRegistrator&& other) = default;
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~PropertyRegistrator() noexcept(false);
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PropertyRegistrator& onInterface(const std::string& interfaceName);
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PropertyRegistrator& onInterface(std::string interfaceName);
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template <typename _Function> PropertyRegistrator& withGetter(_Function&& callback);
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template <typename _Function> PropertyRegistrator& withSetter(_Function&& callback);
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PropertyRegistrator& markAsDeprecated();
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@ -205,12 +205,12 @@ namespace sdbus {
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{
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public:
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SignalSubscriber(IProxy& proxy, const std::string& signalName);
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SignalSubscriber& onInterface(const std::string& interfaceName);
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SignalSubscriber& onInterface(std::string interfaceName);
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template <typename _Function> void call(_Function&& callback);
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private:
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IProxy& proxy_;
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std::string signalName_;
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const std::string& signalName_;
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std::string interfaceName_;
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};
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@ -222,14 +222,14 @@ namespace sdbus {
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private:
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IProxy& proxy_;
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std::string propertyName_;
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const std::string& propertyName_;
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};
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class PropertySetter
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{
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public:
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PropertySetter(IProxy& proxy, const std::string& propertyName);
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PropertySetter& onInterface(const std::string& interfaceName);
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PropertySetter& onInterface(std::string interfaceName);
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template <typename _Value> void toValue(const _Value& value);
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void toValue(const sdbus::Variant& value);
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@ -36,7 +36,8 @@
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#include <sdbus-c++/Error.h>
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#include <string>
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#include <tuple>
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/*#include <exception>*/
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#include <exception>
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#include <cassert>
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namespace sdbus {
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@ -44,12 +45,10 @@ namespace sdbus {
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/*** MethodRegistrator ***/
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/*** ----------------- ***/
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// Moved into the library to isolate from C++17 dependency
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/*
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inline MethodRegistrator::MethodRegistrator(IObject& object, const std::string& methodName)
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: object_(object)
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, methodName_(methodName)
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, exceptions_(std::uncaught_exceptions()) // Needs C++17
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, exceptions_(std::uncaught_exceptions())
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{
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}
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@ -59,8 +58,8 @@ namespace sdbus {
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if (std::uncaught_exceptions() != exceptions_)
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return;
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SDBUS_THROW_ERROR_IF(interfaceName_.empty(), "DBus interface not specified when registering a DBus method", EINVAL);
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SDBUS_THROW_ERROR_IF(!methodCallback_, "Method handler not specified when registering a DBus method", EINVAL);
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assert(!interfaceName_.empty()); // onInterface() must be placed/called prior to this function
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assert(methodCallback_); // implementedAs() must be placed/called prior to this function
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// registerMethod() can throw. But as the MethodRegistrator shall always be used as an unnamed,
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// temporary object, i.e. not as a stack-allocated object, the double-exception situation
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@ -73,11 +72,10 @@ namespace sdbus {
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// to the exception thrown from here if the caller is a destructor itself.
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object_.registerMethod(interfaceName_, methodName_, inputSignature_, outputSignature_, std::move(methodCallback_), flags_);
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}
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*/
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inline MethodRegistrator& MethodRegistrator::onInterface(const std::string& interfaceName)
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inline MethodRegistrator& MethodRegistrator::onInterface(std::string interfaceName)
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{
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interfaceName_ = interfaceName;
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interfaceName_ = std::move(interfaceName);
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return *this;
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}
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@ -157,11 +155,9 @@ namespace sdbus {
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/*** SignalRegistrator ***/
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/*** ----------------- ***/
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// Moved into the library to isolate from C++17 dependency
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/*
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inline SignalRegistrator::SignalRegistrator(IObject& object, std::string signalName)
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inline SignalRegistrator::SignalRegistrator(IObject& object, const std::string& signalName)
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: object_(object)
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, signalName_(std::move(signalName))
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, signalName_(signalName)
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, exceptions_(std::uncaught_exceptions())
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{
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}
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@ -172,8 +168,7 @@ namespace sdbus {
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if (std::uncaught_exceptions() != exceptions_)
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return;
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if (interfaceName_.empty())
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throw sdbus::Exception("DBus interface not specified when registering a DBus signal");
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assert(!interfaceName_.empty()); // onInterface() must be placed/called prior to this function
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// registerSignal() can throw. But as the SignalRegistrator shall always be used as an unnamed,
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// temporary object, i.e. not as a stack-allocated object, the double-exception situation
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@ -184,9 +179,8 @@ namespace sdbus {
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// Therefore, we can allow registerSignal() to throw even if we are in the destructor.
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// Bottomline is, to be on the safe side, the caller must take care of catching and reacting
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// to the exception thrown from here if the caller is a destructor itself.
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object_.registerSignal(interfaceName_, signalName_, signalSignature_);
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object_.registerSignal(interfaceName_, signalName_, signalSignature_, flags_);
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}
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*/
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inline SignalRegistrator& SignalRegistrator::onInterface(std::string interfaceName)
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{
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@ -214,11 +208,9 @@ namespace sdbus {
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/*** PropertyRegistrator ***/
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/*** ------------------- ***/
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// Moved into the library to isolate from C++17 dependency
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/*
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inline PropertyRegistrator::PropertyRegistrator(IObject& object, std::string propertyName)
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inline PropertyRegistrator::PropertyRegistrator(IObject& object, const std::string& propertyName)
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: object_(object)
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, propertyName_(std::move(propertyName))
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, propertyName_(propertyName)
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, exceptions_(std::uncaught_exceptions())
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{
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}
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@ -229,7 +221,7 @@ namespace sdbus {
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if (std::uncaught_exceptions() != exceptions_)
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return;
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SDBUS_THROW_ERROR_IF(interfaceName_.empty(), "DBus interface not specified when registering a DBus property", EINVAL);
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assert(!interfaceName_.empty()); // onInterface() must be placed/called prior to this function
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// registerProperty() can throw. But as the PropertyRegistrator shall always be used as an unnamed,
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// temporary object, i.e. not as a stack-allocated object, the double-exception situation
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@ -240,17 +232,17 @@ namespace sdbus {
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// Therefore, we can allow registerProperty() to throw even if we are in the destructor.
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// Bottomline is, to be on the safe side, the caller must take care of catching and reacting
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// to the exception thrown from here if the caller is a destructor itself.
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object_.registerProperty( std::move(interfaceName_)
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, std::move(propertyName_)
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, std::move(propertySignature_)
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object_.registerProperty( interfaceName_
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, propertyName_
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, propertySignature_
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, std::move(getter_)
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, std::move(setter_) );
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, std::move(setter_)
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, flags_ );
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}
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*/
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inline PropertyRegistrator& PropertyRegistrator::onInterface(const std::string& interfaceName)
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inline PropertyRegistrator& PropertyRegistrator::onInterface(std::string interfaceName)
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{
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interfaceName_ = interfaceName;
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interfaceName_ = std::move(interfaceName);
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return *this;
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}
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@ -323,8 +315,6 @@ namespace sdbus {
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/*** InterfaceFlagsSetter ***/
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/*** -------------------- ***/
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// Moved into the library to isolate from C++17 dependency
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/*
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inline InterfaceFlagsSetter::InterfaceFlagsSetter(IObject& object, const std::string& interfaceName)
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: object_(object)
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, interfaceName_(interfaceName)
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@ -338,8 +328,6 @@ namespace sdbus {
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if (std::uncaught_exceptions() != exceptions_)
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return;
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SDBUS_THROW_ERROR_IF(interfaceName_.empty(), "DBus interface not specified when setting its flags", EINVAL);
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// setInterfaceFlags() can throw. But as the InterfaceFlagsSetter shall always be used as an unnamed,
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// temporary object, i.e. not as a stack-allocated object, the double-exception situation
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// shall never happen. I.e. it should not happen that this destructor is directly called
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@ -349,10 +337,8 @@ namespace sdbus {
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// Therefore, we can allow setInterfaceFlags() to throw even if we are in the destructor.
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// Bottomline is, to be on the safe side, the caller must take care of catching and reacting
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// to the exception thrown from here if the caller is a destructor itself.
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object_.setInterfaceFlags( std::move(interfaceName_)
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, std::move(flags_) );
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object_.setInterfaceFlags(interfaceName_, std::move(flags_));
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}
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*/
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inline InterfaceFlagsSetter& InterfaceFlagsSetter::markAsDeprecated()
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{
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@ -386,8 +372,6 @@ namespace sdbus {
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/*** SignalEmitter ***/
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/*** ------------- ***/
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// Moved into the library to isolate from C++17 dependency
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/*
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inline SignalEmitter::SignalEmitter(IObject& object, const std::string& signalName)
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: object_(object)
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, signalName_(signalName)
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@ -401,9 +385,6 @@ namespace sdbus {
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if (std::uncaught_exceptions() != exceptions_)
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return;
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if (!signal_.isValid())
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throw sdbus::Exception("DBus interface not specified when emitting a DBus signal");
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// emitSignal() can throw. But as the SignalEmitter shall always be used as an unnamed,
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// temporary object, i.e. not as a stack-allocated object, the double-exception situation
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// shall never happen. I.e. it should not happen that this destructor is directly called
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@ -415,7 +396,6 @@ namespace sdbus {
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// to the exception thrown from here if the caller is a destructor itself.
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object_.emitSignal(signal_);
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}
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*/
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inline SignalEmitter& SignalEmitter::onInterface(const std::string& interfaceName)
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{
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@ -427,7 +407,7 @@ namespace sdbus {
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template <typename... _Args>
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inline void SignalEmitter::withArguments(_Args&&... args)
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{
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SDBUS_THROW_ERROR_IF(!signal_.isValid(), "DBus interface not specified when emitting a DBus signal", EINVAL);
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assert(signal_.isValid()); // onInterface() must be placed/called prior to withArguments()
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detail::serialize_pack(signal_, std::forward<_Args>(args)...);
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}
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@ -436,9 +416,7 @@ namespace sdbus {
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/*** MethodInvoker ***/
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/*** ------------- ***/
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// Moved into the library to isolate from C++17 dependency
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/*
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inline MethodInvoker::MethodInvoker(IProxy& proxyObject, const std::string& methodName)
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inline MethodInvoker::MethodInvoker(IProxy& proxy, const std::string& methodName)
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: proxy_(proxy)
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, methodName_(methodName)
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, exceptions_(std::uncaught_exceptions())
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@ -452,9 +430,6 @@ namespace sdbus {
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if (methodCalled_ || std::uncaught_exceptions() != exceptions_)
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return;
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if (!method_.isValid())
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throw sdbus::Exception("DBus interface not specified when calling a DBus method");
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// callMethod() can throw. But as the MethodInvoker shall always be used as an unnamed,
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// temporary object, i.e. not as a stack-allocated object, the double-exception situation
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// shall never happen. I.e. it should not happen that this destructor is directly called
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@ -464,9 +439,8 @@ namespace sdbus {
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// Therefore, we can allow callMethod() to throw even if we are in the destructor.
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// Bottomline is, to be on the safe side, the caller must take care of catching and reacting
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// to the exception thrown from here if the caller is a destructor itself.
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proxy_.callMethod(method_);
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proxy_.callMethod(method_, timeout_);
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}
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*/
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inline MethodInvoker& MethodInvoker::onInterface(const std::string& interfaceName)
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{
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@ -492,7 +466,7 @@ namespace sdbus {
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template <typename... _Args>
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inline MethodInvoker& MethodInvoker::withArguments(_Args&&... args)
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{
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SDBUS_THROW_ERROR_IF(!method_.isValid(), "DBus interface not specified when calling a DBus method", EINVAL);
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assert(method_.isValid()); // onInterface() must be placed/called prior to this function
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detail::serialize_pack(method_, std::forward<_Args>(args)...);
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@ -502,7 +476,7 @@ namespace sdbus {
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template <typename... _Args>
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inline void MethodInvoker::storeResultsTo(_Args&... args)
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{
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SDBUS_THROW_ERROR_IF(!method_.isValid(), "DBus interface not specified when calling a DBus method", EINVAL);
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assert(method_.isValid()); // onInterface() must be placed/called prior to this function
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auto reply = proxy_.callMethod(method_, timeout_);
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methodCalled_ = true;
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@ -512,7 +486,7 @@ namespace sdbus {
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inline void MethodInvoker::dontExpectReply()
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{
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SDBUS_THROW_ERROR_IF(!method_.isValid(), "DBus interface not specified when calling a DBus method", EINVAL);
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assert(method_.isValid()); // onInterface() must be placed/called prior to this function
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method_.dontExpectReply();
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}
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@ -551,7 +525,7 @@ namespace sdbus {
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template <typename... _Args>
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inline AsyncMethodInvoker& AsyncMethodInvoker::withArguments(_Args&&... args)
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{
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SDBUS_THROW_ERROR_IF(!method_.isValid(), "DBus interface not specified when calling a DBus method", EINVAL);
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assert(method_.isValid()); // onInterface() must be placed/called prior to this function
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detail::serialize_pack(method_, std::forward<_Args>(args)...);
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@ -561,7 +535,7 @@ namespace sdbus {
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template <typename _Function>
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void AsyncMethodInvoker::uponReplyInvoke(_Function&& callback)
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{
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SDBUS_THROW_ERROR_IF(!method_.isValid(), "DBus interface not specified when calling a DBus method", EINVAL);
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assert(method_.isValid()); // onInterface() must be placed/called prior to this function
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auto asyncReplyHandler = [callback = std::forward<_Function>(callback)](MethodReply& reply, const Error* error)
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{
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@ -590,9 +564,9 @@ namespace sdbus {
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{
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}
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inline SignalSubscriber& SignalSubscriber::onInterface(const std::string& interfaceName)
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inline SignalSubscriber& SignalSubscriber::onInterface(std::string interfaceName)
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{
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interfaceName_ = interfaceName;
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interfaceName_ = std::move(interfaceName);
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return *this;
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}
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@ -600,7 +574,7 @@ namespace sdbus {
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template <typename _Function>
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inline void SignalSubscriber::call(_Function&& callback)
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{
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SDBUS_THROW_ERROR_IF(interfaceName_.empty(), "DBus interface not specified when subscribing to a signal", EINVAL);
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assert(!interfaceName_.empty()); // onInterface() must be placed/called prior to this function
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proxy_.registerSignalHandler( interfaceName_
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, signalName_
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@ -649,9 +623,9 @@ namespace sdbus {
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{
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}
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inline PropertySetter& PropertySetter::onInterface(const std::string& interfaceName)
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inline PropertySetter& PropertySetter::onInterface(std::string interfaceName)
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{
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interfaceName_ = interfaceName;
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interfaceName_ = std::move(interfaceName);
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return *this;
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}
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@ -664,7 +638,7 @@ namespace sdbus {
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inline void PropertySetter::toValue(const sdbus::Variant& value)
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{
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SDBUS_THROW_ERROR_IF(interfaceName_.empty(), "DBus interface not specified when setting a property", EINVAL);
|
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assert(!interfaceName_.empty()); // onInterface() must be placed/called prior to this function
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proxy_
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.callMethod("Set")
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|
@ -1,209 +0,0 @@
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/**
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* (C) 2016 - 2017 KISTLER INSTRUMENTE AG, Winterthur, Switzerland
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* (C) 2016 - 2019 Stanislav Angelovic <angelovic.s@gmail.com>
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*
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* @file ConvenienceApiClasses.cpp
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*
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* Created on: Jan 19, 2017
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* Project: sdbus-c++
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* Description: High-level D-Bus IPC C++ library based on sd-bus
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*
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* This file is part of sdbus-c++.
|
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*
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* sdbus-c++ is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
|
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* the Free Software Foundation, either version 2.1 of the License, or
|
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* (at your option) any later version.
|
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*
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* sdbus-c++ is distributed in the hope that it will be useful,
|
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public License
|
||||
* along with sdbus-c++. If not, see <http://www.gnu.org/licenses/>.
|
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*/
|
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|
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#include "sdbus-c++/ConvenienceApiClasses.h"
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#include "sdbus-c++/IObject.h"
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#include "sdbus-c++/IProxy.h"
|
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#include <string>
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#include <exception>
|
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|
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namespace sdbus {
|
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|
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MethodRegistrator::MethodRegistrator(IObject& object, const std::string& methodName)
|
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: object_(object)
|
||||
, methodName_(methodName)
|
||||
, exceptions_(std::uncaught_exceptions()) // Needs C++17
|
||||
{
|
||||
}
|
||||
|
||||
MethodRegistrator::~MethodRegistrator() noexcept(false) // since C++11, destructors must
|
||||
{ // explicitly be allowed to throw
|
||||
// Don't register the method if MethodRegistrator threw an exception in one of its methods
|
||||
if (std::uncaught_exceptions() != exceptions_)
|
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return;
|
||||
|
||||
SDBUS_THROW_ERROR_IF(interfaceName_.empty(), "DBus interface not specified when registering a DBus method", EINVAL);
|
||||
SDBUS_THROW_ERROR_IF(!methodCallback_, "Method handler not specified when registering a DBus method", EINVAL);
|
||||
|
||||
// registerMethod() can throw. But as the MethodRegistrator shall always be used as an unnamed,
|
||||
// temporary object, i.e. not as a stack-allocated object, the double-exception situation
|
||||
// shall never happen. I.e. it should not happen that this destructor is directly called
|
||||
// in the stack-unwinding process of another flying exception (which would lead to immediate
|
||||
// termination). It can be called indirectly in the destructor of another object, but that's
|
||||
// fine and safe provided that the caller catches exceptions thrown from here.
|
||||
// Therefore, we can allow registerMethod() to throw even if we are in the destructor.
|
||||
// Bottomline is, to be on the safe side, the caller must take care of catching and reacting
|
||||
// to the exception thrown from here if the caller is a destructor itself.
|
||||
object_.registerMethod(interfaceName_, methodName_, inputSignature_, outputSignature_, std::move(methodCallback_), flags_);
|
||||
}
|
||||
|
||||
SignalRegistrator::SignalRegistrator(IObject& object, const std::string& signalName)
|
||||
: object_(object)
|
||||
, signalName_(signalName)
|
||||
, exceptions_(std::uncaught_exceptions()) // Needs C++17
|
||||
{
|
||||
}
|
||||
|
||||
SignalRegistrator::~SignalRegistrator() noexcept(false) // since C++11, destructors must
|
||||
{ // explicitly be allowed to throw
|
||||
// Don't register the signal if SignalRegistrator threw an exception in one of its methods
|
||||
if (std::uncaught_exceptions() != exceptions_)
|
||||
return;
|
||||
|
||||
SDBUS_THROW_ERROR_IF(interfaceName_.empty(), "DBus interface not specified when registering a DBus signal", EINVAL);
|
||||
|
||||
// registerSignal() can throw. But as the SignalRegistrator shall always be used as an unnamed,
|
||||
// temporary object, i.e. not as a stack-allocated object, the double-exception situation
|
||||
// shall never happen. I.e. it should not happen that this destructor is directly called
|
||||
// in the stack-unwinding process of another flying exception (which would lead to immediate
|
||||
// termination). It can be called indirectly in the destructor of another object, but that's
|
||||
// fine and safe provided that the caller catches exceptions thrown from here.
|
||||
// Therefore, we can allow registerSignal() to throw even if we are in the destructor.
|
||||
// Bottomline is, to be on the safe side, the caller must take care of catching and reacting
|
||||
// to the exception thrown from here if the caller is a destructor itself.
|
||||
object_.registerSignal(interfaceName_, signalName_, signalSignature_, flags_);
|
||||
}
|
||||
|
||||
|
||||
PropertyRegistrator::PropertyRegistrator(IObject& object, const std::string& propertyName)
|
||||
: object_(object)
|
||||
, propertyName_(propertyName)
|
||||
, exceptions_(std::uncaught_exceptions())
|
||||
{
|
||||
}
|
||||
|
||||
PropertyRegistrator::~PropertyRegistrator() noexcept(false) // since C++11, destructors must
|
||||
{ // explicitly be allowed to throw
|
||||
// Don't register the property if PropertyRegistrator threw an exception in one of its methods
|
||||
if (std::uncaught_exceptions() != exceptions_)
|
||||
return;
|
||||
|
||||
SDBUS_THROW_ERROR_IF(interfaceName_.empty(), "DBus interface not specified when registering a DBus property", EINVAL);
|
||||
|
||||
// registerProperty() can throw. But as the PropertyRegistrator shall always be used as an unnamed,
|
||||
// temporary object, i.e. not as a stack-allocated object, the double-exception situation
|
||||
// shall never happen. I.e. it should not happen that this destructor is directly called
|
||||
// in the stack-unwinding process of another flying exception (which would lead to immediate
|
||||
// termination). It can be called indirectly in the destructor of another object, but that's
|
||||
// fine and safe provided that the caller catches exceptions thrown from here.
|
||||
// Therefore, we can allow registerProperty() to throw even if we are in the destructor.
|
||||
// Bottomline is, to be on the safe side, the caller must take care of catching and reacting
|
||||
// to the exception thrown from here if the caller is a destructor itself.
|
||||
object_.registerProperty( std::move(interfaceName_)
|
||||
, std::move(propertyName_)
|
||||
, std::move(propertySignature_)
|
||||
, std::move(getter_)
|
||||
, std::move(setter_)
|
||||
, flags_ );
|
||||
}
|
||||
|
||||
|
||||
InterfaceFlagsSetter::InterfaceFlagsSetter(IObject& object, const std::string& interfaceName)
|
||||
: object_(object)
|
||||
, interfaceName_(interfaceName)
|
||||
, exceptions_(std::uncaught_exceptions())
|
||||
{
|
||||
}
|
||||
|
||||
InterfaceFlagsSetter::~InterfaceFlagsSetter() noexcept(false) // since C++11, destructors must
|
||||
{ // explicitly be allowed to throw
|
||||
// Don't set any flags if InterfaceFlagsSetter threw an exception in one of its methods
|
||||
if (std::uncaught_exceptions() != exceptions_)
|
||||
return;
|
||||
|
||||
SDBUS_THROW_ERROR_IF(interfaceName_.empty(), "DBus interface not specified when setting its flags", EINVAL);
|
||||
|
||||
// setInterfaceFlags() can throw. But as the InterfaceFlagsSetter shall always be used as an unnamed,
|
||||
// temporary object, i.e. not as a stack-allocated object, the double-exception situation
|
||||
// shall never happen. I.e. it should not happen that this destructor is directly called
|
||||
// in the stack-unwinding process of another flying exception (which would lead to immediate
|
||||
// termination). It can be called indirectly in the destructor of another object, but that's
|
||||
// fine and safe provided that the caller catches exceptions thrown from here.
|
||||
// Therefore, we can allow setInterfaceFlags() to throw even if we are in the destructor.
|
||||
// Bottomline is, to be on the safe side, the caller must take care of catching and reacting
|
||||
// to the exception thrown from here if the caller is a destructor itself.
|
||||
object_.setInterfaceFlags( std::move(interfaceName_)
|
||||
, std::move(flags_) );
|
||||
}
|
||||
|
||||
|
||||
SignalEmitter::SignalEmitter(IObject& object, const std::string& signalName)
|
||||
: object_(object)
|
||||
, signalName_(signalName)
|
||||
, exceptions_(std::uncaught_exceptions()) // Needs C++17
|
||||
{
|
||||
}
|
||||
|
||||
SignalEmitter::~SignalEmitter() noexcept(false) // since C++11, destructors must
|
||||
{ // explicitly be allowed to throw
|
||||
// Don't emit the signal if SignalEmitter threw an exception in one of its methods
|
||||
if (std::uncaught_exceptions() != exceptions_)
|
||||
return;
|
||||
|
||||
SDBUS_THROW_ERROR_IF(!signal_.isValid(), "DBus interface not specified when emitting a DBus signal", EINVAL);
|
||||
|
||||
// emitSignal() can throw. But as the SignalEmitter shall always be used as an unnamed,
|
||||
// temporary object, i.e. not as a stack-allocated object, the double-exception situation
|
||||
// shall never happen. I.e. it should not happen that this destructor is directly called
|
||||
// in the stack-unwinding process of another flying exception (which would lead to immediate
|
||||
// termination). It can be called indirectly in the destructor of another object, but that's
|
||||
// fine and safe provided that the caller catches exceptions thrown from here.
|
||||
// Therefore, we can allow emitSignal() to throw even if we are in the destructor.
|
||||
// Bottomline is, to be on the safe side, the caller must take care of catching and reacting
|
||||
// to the exception thrown from here if the caller is a destructor itself.
|
||||
object_.emitSignal(signal_);
|
||||
}
|
||||
|
||||
|
||||
MethodInvoker::MethodInvoker(IProxy& proxy, const std::string& methodName)
|
||||
: proxy_(proxy)
|
||||
, methodName_(methodName)
|
||||
, exceptions_(std::uncaught_exceptions()) // Needs C++17
|
||||
{
|
||||
}
|
||||
|
||||
MethodInvoker::~MethodInvoker() noexcept(false) // since C++11, destructors must
|
||||
{ // explicitly be allowed to throw
|
||||
// Don't call the method if it has been called already or if MethodInvoker
|
||||
// threw an exception in one of its methods
|
||||
if (methodCalled_ || std::uncaught_exceptions() != exceptions_)
|
||||
return;
|
||||
|
||||
SDBUS_THROW_ERROR_IF(!method_.isValid(), "DBus interface not specified when calling a DBus method", EINVAL);
|
||||
|
||||
// callMethod() can throw. But as the MethodInvoker shall always be used as an unnamed,
|
||||
// temporary object, i.e. not as a stack-allocated object, the double-exception situation
|
||||
// shall never happen. I.e. it should not happen that this destructor is directly called
|
||||
// in the stack-unwinding process of another flying exception (which would lead to immediate
|
||||
// termination). It can be called indirectly in the destructor of another object, but that's
|
||||
// fine and safe provided that the caller catches exceptions thrown from here.
|
||||
// Therefore, we can allow callMethod() to throw even if we are in the destructor.
|
||||
// Bottomline is, to be on the safe side, the caller must take care of catching and reacting
|
||||
// to the exception thrown from here if the caller is a destructor itself.
|
||||
proxy_.callMethod(method_, timeout_);
|
||||
}
|
||||
|
||||
}
|
@ -134,6 +134,8 @@ sdbus::Signal Object::createSignal(const std::string& interfaceName, const std::
|
||||
|
||||
void Object::emitSignal(const sdbus::Signal& message)
|
||||
{
|
||||
SDBUS_THROW_ERROR_IF(!message.isValid(), "Invalid signal message provided", EINVAL);
|
||||
|
||||
message.send();
|
||||
}
|
||||
|
||||
|
@ -71,11 +71,15 @@ AsyncMethodCall Proxy::createAsyncMethodCall(const std::string& interfaceName, c
|
||||
|
||||
MethodReply Proxy::callMethod(const MethodCall& message, uint64_t timeout)
|
||||
{
|
||||
SDBUS_THROW_ERROR_IF(!message.isValid(), "Invalid method call message provided", EINVAL);
|
||||
|
||||
return message.send(timeout);
|
||||
}
|
||||
|
||||
void Proxy::callMethod(const AsyncMethodCall& message, async_reply_handler asyncReplyCallback, uint64_t timeout)
|
||||
{
|
||||
SDBUS_THROW_ERROR_IF(!message.isValid(), "Invalid async method call message provided", EINVAL);
|
||||
|
||||
auto callback = (void*)&Proxy::sdbus_async_reply_handler;
|
||||
auto callData = std::make_unique<AsyncCalls::CallData>(AsyncCalls::CallData{*this, std::move(asyncReplyCallback), {}});
|
||||
|
||||
|
Reference in New Issue
Block a user