forked from Kistler-Group/sdbus-cpp
99 lines
3.8 KiB
C++
99 lines
3.8 KiB
C++
/**
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* (C) 2016 - 2021 KISTLER INSTRUMENTE AG, Winterthur, Switzerland
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* (C) 2016 - 2024 Stanislav Angelovic <stanislav.angelovic@protonmail.com>
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*
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* @file Utils.h
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*
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* Created on: Feb 9, 2022
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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
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with sdbus-c++. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef SDBUS_CXX_INTERNAL_UTILS_H_
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#define SDBUS_CXX_INTERNAL_UTILS_H_
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#include <sdbus-c++/Error.h>
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#include SDBUS_HEADER
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#if LIBSYSTEMD_VERSION>=246
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#define SDBUS_CHECK_OBJECT_PATH(_PATH) \
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SDBUS_THROW_ERROR_IF(!sd_bus_object_path_is_valid(_PATH.c_str()), "Invalid object path '" + _PATH + "' provided", EINVAL) \
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/**/
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#define SDBUS_CHECK_INTERFACE_NAME(_NAME) \
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SDBUS_THROW_ERROR_IF(!sd_bus_interface_name_is_valid(_NAME.c_str()), "Invalid interface name '" + _NAME + "' provided", EINVAL) \
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/**/
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#define SDBUS_CHECK_SERVICE_NAME(_NAME) \
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SDBUS_THROW_ERROR_IF(!_NAME.empty() && !sd_bus_service_name_is_valid(_NAME.c_str()), "Invalid service name '" + _NAME + "' provided", EINVAL) \
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/**/
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#define SDBUS_CHECK_MEMBER_NAME(_NAME) \
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SDBUS_THROW_ERROR_IF(!sd_bus_member_name_is_valid(_NAME.c_str()), "Invalid member name '" + _NAME + "' provided", EINVAL) \
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/**/
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#else
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#define SDBUS_CHECK_OBJECT_PATH(_PATH)
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#define SDBUS_CHECK_INTERFACE_NAME(_NAME)
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#define SDBUS_CHECK_SERVICE_NAME(_NAME)
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#define SDBUS_CHECK_MEMBER_NAME(_NAME)
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#endif
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namespace sdbus::internal {
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template <typename _Callable>
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bool invokeHandlerAndCatchErrors(_Callable callable, sd_bus_error *retError)
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{
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try
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{
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callable();
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}
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catch (const Error& e)
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{
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sd_bus_error_set(retError, e.getName().c_str(), e.getMessage().c_str());
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return false;
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}
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catch (const std::exception& e)
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{
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sd_bus_error_set(retError, SDBUSCPP_ERROR_NAME, e.what());
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return false;
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}
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catch (...)
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{
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sd_bus_error_set(retError, SDBUSCPP_ERROR_NAME, "Unknown error occurred");
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return false;
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}
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return true;
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}
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// Returns time since epoch based of POSIX CLOCK_MONOTONIC,
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// so we use the very same clock as underlying sd-bus library.
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[[nodiscard]] inline auto now()
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{
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struct timespec ts{};
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auto r = clock_gettime(CLOCK_MONOTONIC, &ts);
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SDBUS_THROW_ERROR_IF(r < 0, "clock_gettime failed: ", -errno);
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return std::chrono::nanoseconds(ts.tv_nsec) + std::chrono::seconds(ts.tv_sec);
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}
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// Implementation of the overload pattern for variant visitation
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template <class... Ts> struct overload : Ts... { using Ts::operator()...; };
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template <class... Ts> overload(Ts...) -> overload<Ts...>;
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}
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#endif /* SDBUS_CXX_INTERNAL_UTILS_H_ */
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