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Use byte_slice for sending zmq messages - removes data copy within zmq

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This commit is contained in:
Lee Clagett 2019-11-17 06:06:10 +00:00
parent 378cdeaeae
commit da99157462
11 changed files with 138 additions and 27 deletions
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10
contrib/epee/include/byte_slice.h
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@ -42,7 +42,12 @@ namespace epee
struct release_byte_slice
{
void operator()(byte_slice_data*) const noexcept;
//! For use with `zmq_message_init_data`, use second arg for buffer pointer.
static void call(void*, void* ptr) noexcept;
void operator()(byte_slice_data* ptr) const noexcept
{
call(nullptr, ptr);
}
};
/*! Inspired by slices in golang. Storage is thread-safe reference counted,
@ -140,6 +145,9 @@ namespace epee
\throw std::out_of_range If `size() < end`.
\return Slice starting at `data() + begin` of size `end - begin`. */
byte_slice get_slice(std::size_t begin, std::size_t end) const;
//! \post `empty()` \return Ownership of ref-counted buffer.
std::unique_ptr<byte_slice_data, release_byte_slice> take_buffer() noexcept;
};
} // epee