| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | // ====================================================================== | ||
| 2 | // \title ArrayFIFOBuffer.cpp | ||
| 3 | // \author mereweth | ||
| 4 | // \brief ArrayFIFOBuffer implementation | ||
| 5 | // | ||
| 6 | // \copyright | ||
| 7 | // Copyright (C) 2017 California Institute of Technology. | ||
| 8 | // ALL RIGHTS RESERVED. United States Government Sponsorship | ||
| 9 | // acknowledged. | ||
| 10 | // | ||
| 11 | // ====================================================================== | ||
| 12 | |||
| 13 | #include <new> // For placement new | ||
| 14 | #include "Fw/Types/Assert.hpp" | ||
| 15 | #include "Fw/Types/BasicTypes.hpp" | ||
| 16 | #include "Svc/BufferAccumulator/BufferAccumulator.hpp" | ||
| 17 | |||
| 18 | namespace Svc { | ||
| 19 | |||
| 20 | // ---------------------------------------------------------------------- | ||
| 21 | // Constructors | ||
| 22 | // ---------------------------------------------------------------------- | ||
| 23 | |||
| 24 | 7 | BufferAccumulator::ArrayFIFOBuffer ::ArrayFIFOBuffer() | |
| 25 | 7 | : m_elements(nullptr), m_capacity(0), m_enqueueIndex(0), m_dequeueIndex(0), m_size(0) {} | |
| 26 | |||
| 27 | 7 | BufferAccumulator::ArrayFIFOBuffer ::~ArrayFIFOBuffer() {} | |
| 28 | |||
| 29 | // ---------------------------------------------------------------------- | ||
| 30 | // Public functions | ||
| 31 | // ---------------------------------------------------------------------- | ||
| 32 | |||
| 33 | 7 | void BufferAccumulator::ArrayFIFOBuffer ::init(Fw::Buffer* const elements, FwSizeType capacity) { | |
| 34 | 7 | this->m_elements = elements; | |
| 35 | 7 | this->m_capacity = capacity; | |
| 36 | |||
| 37 | // Construct all elements | ||
| 38 |
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77 | for (FwSizeType idx = 0; idx < capacity; idx++) { |
| 39 |
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70 | new (&this->m_elements[idx]) Fw::Buffer; |
| 40 | } | ||
| 41 | 7 | } | |
| 42 | |||
| 43 | 66 | bool BufferAccumulator::ArrayFIFOBuffer ::enqueue(const Fw::Buffer& e) { | |
| 44 |
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66 | if (this->m_elements == nullptr) { |
| 45 | ✗ | return false; | |
| 46 | } | ||
| 47 | |||
| 48 | bool status; | ||
| 49 |
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66 | if (this->m_size < this->m_capacity) { |
| 50 | // enqueueIndex is unsigned, no need to compare with 0 | ||
| 51 | 63 | FW_ASSERT(m_enqueueIndex < this->m_capacity, static_cast<FwAssertArgType>(m_enqueueIndex)); | |
| 52 | 63 | this->m_elements[this->m_enqueueIndex] = e; | |
| 53 |
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63 | this->m_enqueueIndex = (this->m_enqueueIndex + 1) % this->m_capacity; |
| 54 | 63 | status = true; | |
| 55 | 63 | this->m_size++; | |
| 56 | } else { | ||
| 57 | 3 | status = false; | |
| 58 | } | ||
| 59 | |||
| 60 | 66 | return status; | |
| 61 | } | ||
| 62 | |||
| 63 | 65 | bool BufferAccumulator::ArrayFIFOBuffer ::dequeue(Fw::Buffer& e) { | |
| 64 |
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65 | if (this->m_elements == nullptr) { |
| 65 | ✗ | return false; | |
| 66 | } | ||
| 67 | |||
| 68 | 65 | FW_ASSERT(this->m_elements != nullptr); | |
| 69 | bool status; | ||
| 70 | |||
| 71 |
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65 | if (this->m_size > 0) { |
| 72 | // dequeueIndex is unsigned, no need to compare with 0 | ||
| 73 | 53 | FW_ASSERT(m_dequeueIndex < this->m_capacity, static_cast<FwAssertArgType>(m_dequeueIndex)); | |
| 74 | 53 | e = this->m_elements[this->m_dequeueIndex]; | |
| 75 |
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53 | this->m_dequeueIndex = (this->m_dequeueIndex + 1) % this->m_capacity; |
| 76 | 53 | this->m_size--; | |
| 77 | 53 | status = true; | |
| 78 | } else { | ||
| 79 | 12 | status = false; | |
| 80 | } | ||
| 81 | |||
| 82 | 65 | return status; | |
| 83 | } | ||
| 84 | |||
| 85 | 131 | FwSizeType BufferAccumulator::ArrayFIFOBuffer ::getSize() const { | |
| 86 | 131 | return this->m_size; | |
| 87 | } | ||
| 88 | |||
| 89 | ✗ | FwSizeType BufferAccumulator::ArrayFIFOBuffer ::getCapacity() const { | |
| 90 | ✗ | return this->m_capacity; | |
| 91 | } | ||
| 92 | |||
| 93 | } // namespace Svc | ||
| 94 |