forked from Kistler-Group/sdbus-cpp
94 lines
2.1 KiB
C++
94 lines
2.1 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 Types.cpp
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*
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* Created on: Nov 30, 2016
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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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#include "sdbus-c++/Types.h"
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#include "sdbus-c++/Error.h"
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#include "MessageUtils.h"
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#include <cerrno>
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#include <system_error>
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#include SDBUS_HEADER
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#include <unistd.h>
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namespace sdbus {
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Variant::Variant()
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: msg_(createPlainMessage())
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{
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}
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void Variant::serializeTo(Message& msg) const
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{
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SDBUS_THROW_ERROR_IF(isEmpty(), "Empty variant is not allowed", EINVAL);
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msg_.rewind(true);
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msg_.copyTo(msg, true);
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}
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void Variant::deserializeFrom(Message& msg)
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{
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msg.copyTo(msg_, false);
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msg_.seal();
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}
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const char* Variant::peekValueType() const
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{
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msg_.rewind(false);
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auto [type, contents] = msg_.peekType();
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return contents;
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}
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bool Variant::isEmpty() const
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{
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return msg_.isEmpty();
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}
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void UnixFd::close() // NOLINT(readability-make-member-function-const)
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{
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if (fd_ >= 0)
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{
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::close(fd_);
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}
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}
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int UnixFd::checkedDup(int fd)
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{
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if (fd < 0)
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{
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return fd;
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}
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int ret = ::dup(fd); // NOLINT(android-cloexec-dup) // TODO: verify
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if (ret < 0)
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{
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throw std::system_error(errno, std::generic_category(), "dup failed");
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}
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return ret;
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}
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} // namespace sdbus
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