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Merge pull request #2173 from lucabart97/iox-1693-iox-string-namedpipe
iox-#1693 support for iox::string in NamedPipe
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iceoryx_hoofs/posix/ipc/include/iox/detail/named_pipe.inl
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| // Copyright 2024, Eclipse Foundation and the iceoryx contributors. All rights reserved. | ||
| // | ||
| // 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. | ||
| // | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| #ifndef IOX_HOOFS_POSIX_IPC_NAMED_PIPE_INL | ||
| #define IOX_HOOFS_POSIX_IPC_NAMED_PIPE_INL | ||
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|
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| #include "iox/duration.hpp" | ||
| #include "iox/into.hpp" | ||
| #include "iox/named_pipe.hpp" | ||
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| namespace iox | ||
| { | ||
| template <uint64_t N> | ||
| expected<void, PosixIpcChannelError> NamedPipe::trySend(const iox::string<N>& message) const noexcept | ||
| { | ||
| static_assert(N <= MAX_MESSAGE_SIZE, "Size exceeds transmission limit!"); | ||
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| auto result = m_data->sendSemaphore().tryWait(); | ||
| IOX_EXPECTS(!result.has_error()); | ||
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| if (*result) | ||
| { | ||
| IOX_DISCARD_RESULT(m_data->messages.push(message)); | ||
| IOX_EXPECTS(!m_data->receiveSemaphore().post().has_error()); | ||
| return ok(); | ||
| } | ||
| return err(PosixIpcChannelError::TIMEOUT); | ||
| } | ||
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| template <uint64_t N> | ||
| expected<void, PosixIpcChannelError> NamedPipe::send(const iox::string<N>& message) const noexcept | ||
| { | ||
| static_assert(N <= MAX_MESSAGE_SIZE, "Size exceeds transmission limit!"); | ||
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| IOX_EXPECTS(!m_data->sendSemaphore().wait().has_error()); | ||
| IOX_DISCARD_RESULT(m_data->messages.push(message)); | ||
| IOX_EXPECTS(!m_data->receiveSemaphore().post().has_error()); | ||
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| return ok(); | ||
| } | ||
|
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| template <uint64_t N> | ||
| expected<void, PosixIpcChannelError> NamedPipe::timedSend(const iox::string<N>& message, | ||
| const units::Duration& timeout) const noexcept | ||
| { | ||
| static_assert(N <= MAX_MESSAGE_SIZE, "Size exceeds transmission limit!"); | ||
|
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| auto result = m_data->sendSemaphore().timedWait(timeout); | ||
| IOX_EXPECTS(!result.has_error()); | ||
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| if (*result == SemaphoreWaitState::NO_TIMEOUT) | ||
| { | ||
| IOX_DISCARD_RESULT(m_data->messages.push(message)); | ||
| IOX_EXPECTS(!m_data->receiveSemaphore().post().has_error()); | ||
| return ok(); | ||
| } | ||
| return err(PosixIpcChannelError::TIMEOUT); | ||
| } | ||
|
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| template <uint64_t N> | ||
| expected<void, PosixIpcChannelError> NamedPipe::receive(iox::string<N>& message) const noexcept | ||
| { | ||
| IOX_EXPECTS(!m_data->receiveSemaphore().wait().has_error()); | ||
| auto msg = m_data->messages.pop(); | ||
| if (msg.has_value()) | ||
| { | ||
| IOX_EXPECTS(!m_data->sendSemaphore().post().has_error()); | ||
| message = *msg; | ||
| return ok(); | ||
| } | ||
| return err(PosixIpcChannelError::INTERNAL_LOGIC_ERROR); | ||
| } | ||
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| template <uint64_t N> | ||
| expected<void, PosixIpcChannelError> NamedPipe::tryReceive(iox::string<N>& message) const noexcept | ||
| { | ||
| auto result = m_data->receiveSemaphore().tryWait(); | ||
| IOX_EXPECTS(!result.has_error()); | ||
|
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| if (*result) | ||
| { | ||
| auto msg = m_data->messages.pop(); | ||
| if (msg.has_value()) | ||
| { | ||
| IOX_EXPECTS(!m_data->sendSemaphore().post().has_error()); | ||
| message = *msg; | ||
| } | ||
| return err(PosixIpcChannelError::INTERNAL_LOGIC_ERROR); | ||
| } | ||
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| return err(PosixIpcChannelError::TIMEOUT); | ||
| } | ||
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| template <uint64_t N> | ||
| expected<void, PosixIpcChannelError> NamedPipe::timedReceive(iox::string<N>& message, | ||
| const units::Duration& timeout) const noexcept | ||
| { | ||
| auto result = m_data->receiveSemaphore().timedWait(timeout); | ||
| IOX_EXPECTS(!result.has_error()); | ||
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| if (*result == SemaphoreWaitState::NO_TIMEOUT) | ||
| { | ||
| auto msg = m_data->messages.pop(); | ||
| if (msg.has_value()) | ||
| { | ||
| IOX_EXPECTS(!m_data->sendSemaphore().post().has_error()); | ||
| message = *msg; | ||
| return ok(); | ||
| } | ||
| return err(PosixIpcChannelError::INTERNAL_LOGIC_ERROR); | ||
| } | ||
| return err(PosixIpcChannelError::TIMEOUT); | ||
| } | ||
| } // namespace iox | ||
|
|
||
| #endif |
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