src/utils/token_buckets.h

// 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
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// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

#pragma once

#include <memory>
#include <string>
#include <unordered_map>

#include "utils/TokenBucket.h"
#include "utils/synchronize.h"

namespace dsn {
namespace utils {

class token_buckets
{
public:
    std::shared_ptr<folly::DynamicTokenBucket> get_token_bucket(const std::string &name);

private:
    utils::rw_lock_nr _buckets_lock;
    // token_name->token_ptr
    std::unordered_map<std::string, std::shared_ptr<folly::DynamicTokenBucket>> _token_buckets;

    friend class token_buckets_test;
};
} // namespace utils
} // namespace dsn