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https://github.com/Icinga/icinga2.git
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1308ad62af
The only caller passes true, so no one forbids partial reads (even implicitly). All usages in the implementation just assert it being true (allowed).
48 lines
822 B
C++
48 lines
822 B
C++
/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
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#ifndef FIFO_H
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#define FIFO_H
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#include "base/i2-base.hpp"
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#include "base/stream.hpp"
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namespace icinga
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{
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/**
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* A byte-based FIFO buffer.
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*
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* @ingroup base
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*/
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class FIFO final : public Stream
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{
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public:
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DECLARE_PTR_TYPEDEFS(FIFO);
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static const size_t BlockSize = 512;
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~FIFO() override;
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size_t Read(void *buffer, size_t count) override;
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void Write(const void *buffer, size_t count) override;
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void Close() override;
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bool IsEof() const override;
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bool SupportsWaiting() const override;
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bool IsDataAvailable() const override;
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size_t GetAvailableBytes() const;
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private:
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char *m_Buffer{nullptr};
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size_t m_DataSize{0};
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size_t m_AllocSize{0};
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size_t m_Offset{0};
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void ResizeBuffer(size_t newSize, bool decrease);
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void Optimize();
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};
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}
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#endif /* FIFO_H */
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