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author | Alexander Fokin <apfokin@gmail.com> | 2022-02-10 16:45:38 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:45:38 +0300 |
commit | bf9e69a933f89af083d895185f01ed65e4d90766 (patch) | |
tree | b2cc84ee7850122e7ccf51d0ea21e4fa7e7a5685 /util/stream/zerocopy.h | |
parent | 863a59a65247c24db7cb06789bc5cf79d04da32f (diff) | |
download | ydb-bf9e69a933f89af083d895185f01ed65e4d90766.tar.gz |
Restoring authorship annotation for Alexander Fokin <apfokin@gmail.com>. Commit 2 of 2.
Diffstat (limited to 'util/stream/zerocopy.h')
-rw-r--r-- | util/stream/zerocopy.h | 56 |
1 files changed, 28 insertions, 28 deletions
diff --git a/util/stream/zerocopy.h b/util/stream/zerocopy.h index f55c0e10df..3315aa3a51 100644 --- a/util/stream/zerocopy.h +++ b/util/stream/zerocopy.h @@ -2,22 +2,22 @@ #include <util/system/yassert.h> #include <util/system/defaults.h> -#include <util/generic/ylimits.h> +#include <util/generic/ylimits.h> + +#include "input.h" -#include "input.h" - class IOutputStream; -/** - * @addtogroup Streams - * @{ - */ - -/** - * Input stream with direct access to the input buffer. - * - * Derived classes must implement `DoNext` method. - */ +/** + * @addtogroup Streams + * @{ + */ + +/** + * Input stream with direct access to the input buffer. + * + * Derived classes must implement `DoNext` method. + */ class IZeroCopyInput: public IInputStream { public: IZeroCopyInput() noexcept = default; @@ -26,22 +26,22 @@ public: IZeroCopyInput(IZeroCopyInput&&) noexcept = default; IZeroCopyInput& operator=(IZeroCopyInput&&) noexcept = default; - /** - * Returns the next data chunk from this input stream. - * - * Note that this function is not guaranteed to return the requested number - * of bytes, even if they are in fact available in the stream. - * - * @param ptr[out] Pointer to the start of the data chunk. - * @param len[in] Maximal size of the data chunk to be returned, in bytes. - * @returns Size of the returned data chunk, in bytes. - * Return value of zero signals end of stream. - */ + /** + * Returns the next data chunk from this input stream. + * + * Note that this function is not guaranteed to return the requested number + * of bytes, even if they are in fact available in the stream. + * + * @param ptr[out] Pointer to the start of the data chunk. + * @param len[in] Maximal size of the data chunk to be returned, in bytes. + * @returns Size of the returned data chunk, in bytes. + * Return value of zero signals end of stream. + */ template <class T> inline size_t Next(T** ptr, size_t len) { Y_ASSERT(ptr); - return DoNext((const void**)ptr, len); + return DoNext((const void**)ptr, len); } template <class T> @@ -49,11 +49,11 @@ public: return Next(ptr, Max<size_t>()); } -protected: +protected: size_t DoRead(void* buf, size_t len) override; size_t DoSkip(size_t len) override; ui64 DoReadAll(IOutputStream& out) override; - virtual size_t DoNext(const void** ptr, size_t len) = 0; + virtual size_t DoNext(const void** ptr, size_t len) = 0; }; /** @@ -88,4 +88,4 @@ private: virtual void DoUndo(size_t len) = 0; }; -/** @} */ +/** @} */ |