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109 lines
3.1 KiB
C++
109 lines
3.1 KiB
C++
// 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,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#include "config/YamlConfigMgr.h"
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#include "utils/Log.h"
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namespace milvus {
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namespace server {
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Status
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YamlConfigMgr::LoadConfigFile(const std::string& filename) {
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try {
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node_ = YAML::LoadFile(filename);
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LoadConfigNode(node_, config_);
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} catch (YAML::Exception& e) {
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std::string str = "Exception: load config file fail: " + std::string(e.what());
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return Status(SERVER_UNEXPECTED_ERROR, str);
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}
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return Status::OK();
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}
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void
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YamlConfigMgr::Print() const {
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SERVER_LOG_INFO << "System config content:";
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config_.PrintAll();
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}
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std::string
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YamlConfigMgr::DumpString() const {
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return config_.DumpString("");
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}
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const ConfigNode&
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YamlConfigMgr::GetRootNode() const {
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return config_;
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}
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ConfigNode&
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YamlConfigMgr::GetRootNode() {
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return config_;
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}
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bool
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YamlConfigMgr::SetConfigValue(const YAML::Node& node, const std::string& key, ConfigNode& config) {
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if (node[key].IsDefined()) {
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config.SetValue(key, node[key].as<std::string>());
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return true;
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}
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return false;
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}
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bool
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YamlConfigMgr::SetChildConfig(const YAML::Node& node, const std::string& child_name, ConfigNode& config) {
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if (node[child_name].IsDefined()) {
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ConfigNode sub_config;
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LoadConfigNode(node[child_name], sub_config);
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config.AddChild(child_name, sub_config);
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return true;
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}
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return false;
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}
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bool
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YamlConfigMgr::SetSequence(const YAML::Node& node, const std::string& child_name, ConfigNode& config) {
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if (node[child_name].IsDefined()) {
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size_t cnt = node[child_name].size();
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for (size_t i = 0; i < cnt; i++) {
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config.AddSequenceItem(child_name, node[child_name][i].as<std::string>());
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}
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return true;
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}
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return false;
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}
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void
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YamlConfigMgr::LoadConfigNode(const YAML::Node& node, ConfigNode& config) {
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std::string key;
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for (YAML::const_iterator it = node.begin(); it != node.end(); ++it) {
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if (!it->first.IsNull()) {
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key = it->first.as<std::string>();
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}
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if (node[key].IsScalar()) {
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SetConfigValue(node, key, config);
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} else if (node[key].IsMap()) {
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SetChildConfig(node, key, config);
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} else if (node[key].IsSequence()) {
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SetSequence(node, key, config);
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}
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}
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}
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} // namespace server
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} // namespace milvus
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