Files
scylla/sstables/m_format_read_helpers.cc
Kefu Chai a6152cb87b sstables: do not include unused headers
these unused includes were identified by clangd. see
https://clangd.llvm.org/guides/include-cleaner#unused-include-warning
for more details on the "Unused include" warning.

Signed-off-by: Kefu Chai <kefu.chai@scylladb.com>

Closes scylladb/scylladb#16666
2024-01-09 11:45:44 +02:00

81 lines
2.4 KiB
C++

/*
* Copyright (C) 2018-present ScyllaDB
*/
/*
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
#include "vint-serialization.hh"
#include "sstables/m_format_read_helpers.hh"
#include "sstables/exceptions.hh"
#include "sstables/random_access_reader.hh"
#include "sstables/mx/types.hh"
namespace sstables {
static void check_buf_size(temporary_buffer<char>& buf, size_t expected) {
if (buf.size() < expected) {
throw bufsize_mismatch_exception(buf.size(), expected);
}
}
template <typename T>
inline future<T> read_vint_impl(random_access_reader& in) {
using vint_type = std::conditional_t<std::is_unsigned_v<T>, unsigned_vint, signed_vint>;
return in.read_exactly(1).then([&in] (auto&& buf) {
check_buf_size(buf, 1);
vint_size_type len = vint_type::serialized_size_from_first_byte(*buf.begin());
temporary_buffer<char> bytes(len);
std::copy_n(buf.begin(), 1, bytes.get_write());
return in.read_exactly(len - 1).then([len, bytes = std::move(bytes)] (temporary_buffer<char> buf) mutable {
check_buf_size(buf, len - 1);
std::copy_n(buf.begin(), len - 1, bytes.get_write() + 1);
return vint_type::deserialize(
bytes_view(reinterpret_cast<bytes::value_type*>(bytes.get_write()), len));
});
});
}
future<uint64_t> read_unsigned_vint(random_access_reader& in) {
return read_vint_impl<uint64_t>(in);
}
future<int64_t> read_signed_vint(random_access_reader& in) {
return read_vint_impl<int64_t>(in);
}
std::ostream& operator<<(std::ostream& out, sstables::bound_kind_m kind) {
switch (kind) {
case sstables::bound_kind_m::excl_end:
out << "excl_end";
break;
case sstables::bound_kind_m::incl_start:
out << "incl_start";
break;
case sstables::bound_kind_m::excl_end_incl_start:
out << "excl_end_incl_start";
break;
case sstables::bound_kind_m::static_clustering:
out << "static_clustering";
break;
case sstables::bound_kind_m::clustering:
out << "clustering";
break;
case sstables::bound_kind_m::incl_end_excl_start:
out << "incl_end_excl_start";
break;
case sstables::bound_kind_m::incl_end:
out << "incl_end";
break;
case sstables::bound_kind_m::excl_start:
out << "excl_start";
break;
default:
out << static_cast<unsigned>(kind);
}
return out;
}
} // namespace sstables