| // Licensed to 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. Apache Software Foundation (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 sharing |
| |
| import ( |
| "fmt" |
| "sync" |
| |
| "github.com/apache/skywalking-satellite/internal/pkg/log" |
| "github.com/apache/skywalking-satellite/internal/pkg/plugin" |
| "github.com/apache/skywalking-satellite/internal/satellite/config" |
| client "github.com/apache/skywalking-satellite/plugins/client/api" |
| server "github.com/apache/skywalking-satellite/plugins/server/api" |
| ) |
| |
| // Manager contains the sharing plugins, only supports client and server plugins. |
| var Manager map[string]plugin.SharingPlugin |
| var once sync.Once |
| |
| // Load loads the sharing config to the Manager. |
| func Load(cfg *config.SharingConfig) { |
| once.Do(func() { |
| Manager = make(map[string]plugin.SharingPlugin) |
| for _, c := range cfg.Clients { |
| p := client.GetClient(c) |
| Manager[p.Name()] = p |
| } |
| for _, c := range cfg.Servers { |
| p := server.GetServer(c) |
| Manager[p.Name()] = p |
| } |
| }, |
| ) |
| } |
| |
| func Prepare() error { |
| for _, sharingPlugin := range Manager { |
| if err := sharingPlugin.Prepare(); err != nil { |
| log.Logger.Errorf("error in closing the %s sharing plugin: %v", sharingPlugin.Name(), err) |
| Close() |
| return fmt.Errorf("cannot preare the sharing plugins named %s: %v", sharingPlugin.Name(), err) |
| } |
| } |
| return nil |
| } |
| |
| func Start() error { |
| for _, sharingPlugin := range Manager { |
| if err := sharingPlugin.Start(); err != nil { |
| log.Logger.Errorf("error in closing the %s sharing plugin: %v", sharingPlugin.Name(), err) |
| Close() |
| return fmt.Errorf("cannot preare the sharing plugins named %s: %v", sharingPlugin.Name(), err) |
| } |
| } |
| return nil |
| } |
| |
| func Close() { |
| for _, sharingPlugin := range Manager { |
| if err := sharingPlugin.Close(); err != nil { |
| log.Logger.Errorf("error in closing the %s sharing plugin: %v", sharingPlugin.Name(), err) |
| } |
| } |
| } |