68a2920201
Also, versioned_value::compare_to() can be marked const. Signed-off-by: Benny Halevy <bhalevy@scylladb.com>
106 lines
3.9 KiB
C++
106 lines
3.9 KiB
C++
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Modified by ScyllaDB
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* Copyright (C) 2015 ScyllaDB
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*/
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/*
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* This file is part of Scylla.
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*
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* Scylla is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Scylla is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "gms/versioned_value.hh"
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#include "message/messaging_service.hh"
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namespace gms {
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static_assert(std::is_nothrow_default_constructible_v<versioned_value>);
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static_assert(std::is_nothrow_move_constructible_v<versioned_value>);
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constexpr char versioned_value::DELIMITER;
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constexpr const char versioned_value::DELIMITER_STR[];
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constexpr const char* versioned_value::STATUS_UNKNOWN;
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constexpr const char* versioned_value::STATUS_BOOTSTRAPPING;
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constexpr const char* versioned_value::STATUS_NORMAL;
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constexpr const char* versioned_value::STATUS_LEAVING;
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constexpr const char* versioned_value::STATUS_LEFT;
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constexpr const char* versioned_value::STATUS_MOVING;
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constexpr const char* versioned_value::REMOVING_TOKEN;
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constexpr const char* versioned_value::REMOVED_TOKEN;
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constexpr const char* versioned_value::HIBERNATE;
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constexpr const char* versioned_value::SHUTDOWN;
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constexpr const char* versioned_value::REMOVAL_COORDINATOR;
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versioned_value versioned_value::network_version() {
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return versioned_value(format("{}", netw::messaging_service::current_version));
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}
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sstring versioned_value::make_full_token_string(const std::unordered_set<dht::token>& tokens) {
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return ::join(";", tokens | boost::adaptors::transformed([] (const dht::token& t) {
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return t.to_sstring(); })
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);
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}
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sstring versioned_value::make_token_string(const std::unordered_set<dht::token>& tokens) {
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if (tokens.empty()) {
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return "";
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}
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return tokens.begin()->to_sstring();
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}
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sstring versioned_value::make_cdc_streams_timestamp_string(std::optional<db_clock::time_point> t) {
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// We assume that the db_clock epoch is the same on all receiving nodes.
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if (!t) {
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return "";
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}
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return std::to_string(t->time_since_epoch().count());
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}
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std::unordered_set<dht::token> versioned_value::tokens_from_string(const sstring& s) {
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if (s.size() == 0) {
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return {}; // boost::split produces one element for empty string
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}
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std::vector<sstring> tokens;
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boost::split(tokens, s, boost::is_any_of(";"));
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std::unordered_set<dht::token> ret;
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for (auto str : tokens) {
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ret.emplace(dht::token::from_sstring(str));
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}
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return ret;
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}
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std::optional<db_clock::time_point> versioned_value::cdc_streams_timestamp_from_string(const sstring& s) {
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if (s.empty()) {
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return {};
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}
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return db_clock::time_point(db_clock::duration(std::stoll(s)));
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}
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}
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