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scylladb/gms/versioned_value.cc

50 lines
1.5 KiB
C++

/*
*
* Modified by ScyllaDB
* Copyright (C) 2015-present ScyllaDB
*/
/*
* SPDX-License-Identifier: (LicenseRef-ScyllaDB-Source-Available-1.0 and Apache-2.0)
*/
#include "gms/versioned_value.hh"
#include "message/messaging_service.hh"
#include <boost/algorithm/string/split.hpp>
#include <boost/algorithm/string/classification.hpp>
#include <charconv>
namespace gms {
static_assert(std::is_nothrow_default_constructible_v<versioned_value>);
static_assert(std::is_nothrow_move_constructible_v<versioned_value>);
versioned_value versioned_value::network_version() {
return versioned_value(format("{}", netw::messaging_service::current_version));
}
sstring versioned_value::make_full_token_string(const std::unordered_set<dht::token>& tokens) {
return fmt::to_string(fmt::join(tokens | std::views::transform([] (const dht::token& t) {
return t.to_sstring(); }), ";"));
}
sstring versioned_value::make_token_string(const std::unordered_set<dht::token>& tokens) {
if (tokens.empty()) {
return "";
}
return tokens.begin()->to_sstring();
}
std::unordered_set<dht::token> versioned_value::tokens_from_string(const sstring& s) {
if (s.size() == 0) {
return {}; // boost::split produces one element for empty string
}
std::vector<sstring> tokens;
boost::split(tokens, s, boost::is_any_of(";"));
std::unordered_set<dht::token> ret;
for (auto str : tokens) {
ret.emplace(dht::token::from_sstring(str));
}
return ret;
}
}