mirror of https://github.com/rusefi/rusefi.git
51 lines
1.1 KiB
C++
51 lines
1.1 KiB
C++
// This file handles the "big buffer" - a shared buffer that can be used by multiple users depending on which function is enabled
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#pragma once
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#ifndef BIG_BUFFER_SIZE
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#define BIG_BUFFER_SIZE 8192
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#endif
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enum class BigBufferUser {
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None,
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ToothLogger,
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PerfTrace,
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TriggerScope,
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};
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class BigBufferHandle {
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public:
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BigBufferHandle() = default;
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BigBufferHandle(void* buffer, BigBufferUser user);
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~BigBufferHandle();
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// But allow moving (passing ownership of the buffer)
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BigBufferHandle(BigBufferHandle&& other);
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BigBufferHandle& operator=(BigBufferHandle&&);
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// Implicit conversion operator to bool, so you can do things like if (myBuffer) { ... } as if it was a raw pointer
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constexpr explicit operator bool() const {
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return m_bufferPtr != nullptr;
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}
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template <class TBuffer>
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const TBuffer* get() const {
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return reinterpret_cast<TBuffer*>(m_bufferPtr);
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}
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template <class TBuffer>
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TBuffer* get() {
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return reinterpret_cast<TBuffer*>(m_bufferPtr);
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}
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size_t size() const {
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return BIG_BUFFER_SIZE;
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}
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private:
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void* m_bufferPtr = nullptr;
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BigBufferUser m_user = BigBufferUser::None;
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};
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BigBufferHandle getBigBuffer(BigBufferUser user);
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