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140 lines
4.7 KiB
140 lines
4.7 KiB
/*
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* Copyright (c) 2011-2015, Intel Corporation
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "ParameterBlackboard.h"
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#include "Iterator.hpp"
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#include "AlwaysAssert.hpp"
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#include <algorithm>
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// Size
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void CParameterBlackboard::setSize(size_t size)
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{
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mBlackboard.resize(size);
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}
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size_t CParameterBlackboard::getSize() const
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{
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return mBlackboard.size();
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}
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// Single parameter access
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void CParameterBlackboard::writeInteger(const void *pvSrcData, size_t size, size_t offset)
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{
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assertValidAccess(offset, size);
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auto first = MAKE_ARRAY_ITERATOR(static_cast<const uint8_t *>(pvSrcData), size);
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auto last = first + size;
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auto dest_first = atOffset(offset);
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std::copy(first, last, dest_first);
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}
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void CParameterBlackboard::readInteger(void *pvDstData, size_t size, size_t offset) const
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{
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assertValidAccess(offset, size);
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auto first = atOffset(offset);
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auto last = first + size;
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auto dest_first = MAKE_ARRAY_ITERATOR(static_cast<uint8_t *>(pvDstData), size);
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std::copy(first, last, dest_first);
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}
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void CParameterBlackboard::writeString(const std::string &input, size_t offset)
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{
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assertValidAccess(offset, input.size() + 1);
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auto dest_last = std::copy(begin(input), end(input), atOffset(offset));
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*dest_last = '\0';
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}
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void CParameterBlackboard::readString(std::string &output, size_t offset) const
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{
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// As the string is null terminated in the blackboard,
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// the size that will be read is not known. (>= 1)
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assertValidAccess(offset, sizeof('\0'));
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// Get the pointer to the null terminated string
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const uint8_t *first = &mBlackboard[offset];
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output = reinterpret_cast<const char *>(first);
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}
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void CParameterBlackboard::writeBuffer(const void *pvSrcData, size_t size, size_t offset)
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{
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writeInteger(pvSrcData, size, offset);
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}
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void CParameterBlackboard::readBuffer(void *pvDstData, size_t size, size_t offset) const
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{
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readInteger(pvDstData, size, offset);
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}
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// Element access
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void CParameterBlackboard::writeBytes(const std::vector<uint8_t> &bytes, size_t offset)
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{
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assertValidAccess(offset, bytes.size());
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std::copy(begin(bytes), end(bytes), atOffset(offset));
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}
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void CParameterBlackboard::readBytes(std::vector<uint8_t> &bytes, size_t offset) const
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{
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assertValidAccess(offset, bytes.size());
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std::copy_n(atOffset(offset), bytes.size(), begin(bytes));
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}
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// Access from/to subsystems
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uint8_t *CParameterBlackboard::getLocation(size_t offset)
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{
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assertValidAccess(offset, 1);
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return &mBlackboard[offset];
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}
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// Configuration handling
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void CParameterBlackboard::restoreFrom(const CParameterBlackboard *pFromBlackboard, size_t offset)
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{
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const auto &fromBB = pFromBlackboard->mBlackboard;
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assertValidAccess(offset, fromBB.size());
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std::copy(begin(fromBB), end(fromBB), atOffset(offset));
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}
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void CParameterBlackboard::saveTo(CParameterBlackboard *pToBlackboard, size_t offset) const
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{
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auto &toBB = pToBlackboard->mBlackboard;
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assertValidAccess(offset, toBB.size());
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std::copy_n(atOffset(offset), toBB.size(), begin(toBB));
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}
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void CParameterBlackboard::assertValidAccess(size_t offset, size_t size) const
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{
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ALWAYS_ASSERT(offset + size <= getSize(),
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"Invalid data size access: offset=" << offset << " size=" << size
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<< "reference size=" << getSize());
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}
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