f3eade2f62
Drop the AGPL license in favor of a source-available license. See the blog post [1] for details. [1] https://www.scylladb.com/2024/12/18/why-were-moving-to-a-source-available-license/
85 lines
2.5 KiB
C++
85 lines
2.5 KiB
C++
/*
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* Copyright (C) 2018-present ScyllaDB
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*/
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/*
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* SPDX-License-Identifier: LicenseRef-ScyllaDB-Source-Available-1.0
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*/
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#include "vint-serialization.hh"
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#include "sstables/m_format_read_helpers.hh"
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#include "sstables/exceptions.hh"
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#include "sstables/random_access_reader.hh"
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#include "sstables/mx/types.hh"
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#include <fmt/format.h>
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namespace sstables {
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static void check_buf_size(temporary_buffer<char>& buf, size_t expected) {
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if (buf.size() < expected) {
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throw bufsize_mismatch_exception(buf.size(), expected);
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}
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}
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template <typename T>
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inline future<T> read_vint_impl(random_access_reader& in) {
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using vint_type = std::conditional_t<std::is_unsigned_v<T>, unsigned_vint, signed_vint>;
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return in.read_exactly(1).then([&in] (auto&& buf) {
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check_buf_size(buf, 1);
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vint_size_type len = vint_type::serialized_size_from_first_byte(*buf.begin());
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temporary_buffer<char> bytes(len);
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std::copy_n(buf.begin(), 1, bytes.get_write());
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return in.read_exactly(len - 1).then([len, bytes = std::move(bytes)] (temporary_buffer<char> buf) mutable {
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check_buf_size(buf, len - 1);
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std::copy_n(buf.begin(), len - 1, bytes.get_write() + 1);
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return vint_type::deserialize(
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bytes_view(reinterpret_cast<bytes::value_type*>(bytes.get_write()), len));
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});
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});
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}
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future<uint64_t> read_unsigned_vint(random_access_reader& in) {
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return read_vint_impl<uint64_t>(in);
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}
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future<int64_t> read_signed_vint(random_access_reader& in) {
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return read_vint_impl<int64_t>(in);
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}
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} // namespace sstables
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auto fmt::formatter<sstables::bound_kind_m>::format(sstables::bound_kind_m kind, fmt::format_context& ctx) const
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-> decltype(ctx.out()) {
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std::string_view name;
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switch (kind) {
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using enum sstables::bound_kind_m;
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case excl_end:
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name = "excl_end";
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break;
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case incl_start:
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name = "incl_start";
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break;
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case excl_end_incl_start:
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name = "excl_end_incl_start";
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break;
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case static_clustering:
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name = "static_clustering";
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break;
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case clustering:
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name = "clustering";
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break;
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case incl_end_excl_start:
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name = "incl_end_excl_start";
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break;
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case incl_end:
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name = "incl_end";
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break;
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case excl_start:
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name = "excl_start";
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break;
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default:
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return fmt::format_to(ctx.out(), "{}", underlying(kind));
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}
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return fmt::format_to(ctx.out(), "{}", name);
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}
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