// Licensed to the Apache Software Foundation (ASF) under one

// or more contributor license agreements.  See the NOTICE file

// distributed with this work for additional information

// regarding copyright ownership.  The ASF licenses this file

// to you under the Apache License, Version 2.0 (the

// "License"); you may not use this file except in compliance

// with the License.  You may obtain a copy of the License at

//

//   http://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing,

// software distributed under the License is distributed on an

// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

// KIND, either express or implied.  See the License for the

// specific language governing permissions and limitations

// under the License.

#pragma once

#include <atomic>

#include <chrono>

#include <condition_variable>

#include <cstdint>

#include <memory>

#include <thread>

#include "common/logging.h"

#include "meta-store/txn_kv.h"

namespace doris::cloud {

extern void get_kv_range_boundaries_count(std::vector<std::string>& partition_boundaries,

                                          std::unordered_map<std::string, size_t>& partition_count);

class FdbMetricExporter {

public:

    FdbMetricExporter(std::shared_ptr<TxnKv> txn_kv)

            : txn_kv_(std::move(txn_kv)), running_(false) {}

    ~FdbMetricExporter();

    int start();

    void stop();

    static void export_fdb_metrics(TxnKv* txn_kv);

private:

    std::shared_ptr<TxnKv> txn_kv_;

    std::unique_ptr<std::thread> thread_;

    std::atomic<bool> running_;

    std::mutex running_mtx_;

    std::condition_variable running_cond_;

    int sleep_interval_ms_ = 5000;

};

} // namespace doris::cloud