| /* |
| * 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. |
| */ |
| |
| package config |
| |
| import ( |
| gxset "github.com/dubbogo/gost/container/set" |
| perrors "github.com/pkg/errors" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-go/cluster/router" |
| "github.com/apache/dubbo-go/common/extension" |
| "github.com/apache/dubbo-go/common/logger" |
| "github.com/apache/dubbo-go/common/yaml" |
| ) |
| |
| var ( |
| routerURLSet = gxset.NewSet() |
| ) |
| |
| // LocalRouterRules defines the local router config structure |
| type LocalRouterRules struct { |
| RouterRules []interface{} `yaml:"routerRules"` |
| } |
| |
| // RouterInit Load config file to init router config |
| func RouterInit(confRouterFile string) error { |
| bytes, err := yaml.LoadYMLConfig(confRouterFile) |
| if err != nil { |
| return perrors.Errorf("ioutil.ReadFile(file:%s) = error:%v", confRouterFile, perrors.WithStack(err)) |
| } |
| routerRules := &LocalRouterRules{} |
| err = yaml.UnmarshalYML(bytes, routerRules) |
| if err != nil { |
| return perrors.Errorf("Load router file %s failed due to error: %v", confRouterFile, perrors.WithStack(err)) |
| } |
| if len(routerRules.RouterRules) == 0 { |
| return perrors.Errorf("No router configurations in file %s", confRouterFile) |
| } |
| fileRouterFactories := extension.GetFileRouterFactories() |
| for _, v := range routerRules.RouterRules { |
| content, _ := yaml.MarshalYML(v) |
| err = initRouterConfig(content, fileRouterFactories) |
| } |
| return err |
| } |
| |
| func initRouterConfig(content []byte, factories map[string]router.FilePriorityRouterFactory) error { |
| logger.Warnf("get fileRouterFactories len{%+v})", len(factories)) |
| for k, factory := range factories { |
| r, e := factory.NewFileRouter(content) |
| if e == nil { |
| url := r.URL() |
| routerURLSet.Add(url) |
| return nil |
| } |
| logger.Warnf("router config type %s create fail {%v}\n", k, e) |
| } |
| return perrors.Errorf("no file router exists for parse %s , implement router.FIleRouterFactory please.", confRouterFile) |
| } |
| |
| // GetRouterURLSet exposes the routerURLSet |
| func GetRouterURLSet() *gxset.HashSet { |
| return routerURLSet |
| } |