github.com/polarismesh/polaris@v1.17.8/plugin/ratelimit/token/invoke.go (about)

     1  /**
     2   * Tencent is pleased to support the open source community by making Polaris available.
     3   *
     4   * Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
     5   *
     6   * Licensed under the BSD 3-Clause License (the "License");
     7   * you may not use this file except in compliance with the License.
     8   * You may obtain a copy of the License at
     9   *
    10   * https://opensource.org/licenses/BSD-3-Clause
    11   *
    12   * Unless required by applicable law or agreed to in writing, software distributed
    13   * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
    14   * CONDITIONS OF ANY KIND, either express or implied. See the License for the
    15   * specific language governing permissions and limitations under the License.
    16   */
    17  
    18  package token
    19  
    20  import (
    21  	"github.com/polarismesh/polaris/plugin"
    22  )
    23  
    24  // tokenBucket 实现Plugin接口
    25  type tokenBucket struct {
    26  	config   *Config
    27  	limiters map[plugin.RatelimitType]limiter
    28  }
    29  
    30  // Name 实现Plugin接口，Name方法
    31  func (tb *tokenBucket) Name() string {
    32  	return PluginName
    33  }
    34  
    35  // Initialize 实现Plugin接口，Initialize方法
    36  func (tb *tokenBucket) Initialize(c *plugin.ConfigEntry) error {
    37  	return tb.initialize(c)
    38  }
    39  
    40  // Destroy 实现Plugin接口，Destroy方法
    41  func (tb *tokenBucket) Destroy() error {
    42  	return nil
    43  }
    44  
    45  // Allow 限流接口实现
    46  func (tb *tokenBucket) Allow(typ plugin.RatelimitType, key string) bool {
    47  	return tb.allow(typ, key)
    48  }