| /** @file |
| |
| A brief file description |
| |
| @section license License |
| |
| 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 <memory> |
| #include <sstream> |
| #include <unordered_map> |
| #include <unordered_set> |
| |
| #include "tscore/Diags.h" |
| #include "NextHopSelectionStrategy.h" |
| |
| namespace YAML |
| { |
| class Node; |
| }; |
| |
| class NextHopStrategyFactory |
| { |
| public: |
| NextHopStrategyFactory() = delete; |
| NextHopStrategyFactory(const char *file); |
| ~NextHopStrategyFactory(); |
| std::shared_ptr<NextHopSelectionStrategy> strategyInstance(const char *name); |
| |
| bool strategies_loaded; |
| |
| private: |
| std::string fn; |
| void loadConfigFile(const std::string &file, std::stringstream &doc, std::unordered_set<std::string> &include_once); |
| void createStrategy(const std::string &name, const NHPolicyType policy_type, const YAML::Node &node); |
| std::unordered_map<std::string, std::shared_ptr<NextHopSelectionStrategy>> _strategies; |
| }; |