2 ==================================================================================
3 Copyright (c) 2019 AT&T Intellectual Property.
4 Copyright (c) 2019 Nokia
6 Licensed under the Apache License, Version 2.0 (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
10 http://www.apache.org/licenses/LICENSE-2.0
12 Unless required by applicable law or agreed to in writing, software
13 distributed under the License is distributed on an "AS IS" BASIS,
14 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 See the License for the specific language governing permissions and
16 limitations under the License.
17 ==================================================================================
25 "github.com/fsnotify/fsnotify"
26 "github.com/spf13/viper"
31 //-----------------------------------------------------------------------------
33 //-----------------------------------------------------------------------------
40 type Configurator struct {
43 type ConfigChangeCB func(filename string)
45 type SDLNotificationCB func(string, ...string)
47 var ConfigChangeListeners []ConfigChangeCB
49 func parseCmd() string {
51 fileName = flag.String("f", os.Getenv("CFG_FILE"), "Specify the configuration file.")
57 func LoadConfig() (l *Log) {
58 l = NewLogger(filepath.Base(os.Args[0]))
59 viper.SetConfigFile(parseCmd())
61 if err := viper.ReadInConfig(); err != nil {
62 l.Error("Reading config file failed: %v", err.Error())
64 l.Info("Using config file: %s", viper.ConfigFileUsed())
66 updatemtypes := func() {
68 viper.UnmarshalKey("rmr.mtypes", &mtypes)
71 l.Info("Config mtypes before RICMessageTypes:%d RicMessageTypeToName:%d", len(RICMessageTypes), len(RicMessageTypeToName))
72 for _, v := range mtypes {
75 if _, ok := RICMessageTypes[v.Name]; ok == false {
78 if _, ok := RicMessageTypeToName[int(v.Id)]; ok == false {
82 l.Error("Config mtypes rmr.mtypes entry skipped due conflict with existing values %s(%t) %d(%t) ", v.Name, nadd, v.Id, iadd)
84 l.Info("Config mtypes rmr.mtypes entry added %s(%t) %d(%t) ", v.Name, nadd, v.Id, iadd)
85 RICMessageTypes[v.Name] = int(v.Id)
86 RicMessageTypeToName[int(v.Id)] = v.Name
88 l.Info("Config mtypes rmr.mtypes entry skipped %s(%t) %d(%t) ", v.Name, nadd, v.Id, iadd)
91 l.Info("Config mtypes after RICMessageTypes:%d RicMessageTypeToName:%d", len(RICMessageTypes), len(RicMessageTypeToName))
98 viper.OnConfigChange(func(e fsnotify.Event) {
99 l.Info("config file %s changed ", e.Name)
102 Logger.SetLevel(viper.GetInt("controls.logger.level"))
103 if len(ConfigChangeListeners) > 0 {
104 for _, f := range ConfigChangeListeners {
113 func AddConfigChangeListener(f ConfigChangeCB) {
114 if ConfigChangeListeners == nil {
115 ConfigChangeListeners = make([]ConfigChangeCB, 0)
117 ConfigChangeListeners = append(ConfigChangeListeners, f)
120 func PublishConfigChange(appName, eventJson string) error {
121 channel := fmt.Sprintf("CM_UPDATE:%s", appName)
122 if err := Sdl.StoreAndPublish(channel, eventJson, appName, eventJson); err != nil {
123 Logger.Error("Sdl.Store failed: %v", err)
129 func GetPortData(pname string) (d PortData) {
130 for _, v := range viper.GetStringMap("messaging")["ports"].([]interface{}) {
131 if n, ok := v.(map[string]interface{})["name"].(string); ok && n == pname {
133 if p, _ := v.(map[string]interface{})["port"].(float64); ok {
136 if m, _ := v.(map[string]interface{})["maxSize"].(float64); ok {
139 if m, _ := v.(map[string]interface{})["threadType"].(float64); ok {
140 d.ThreadType = int(m)
142 if m, _ := v.(map[string]interface{})["lowLatency"].(bool); ok {
143 d.LowLatency = bool(m)
145 if m, _ := v.(map[string]interface{})["fastAck"].(bool); ok {
148 if m, _ := v.(map[string]interface{})["maxRetryOnFailure"].(float64); ok {
149 d.MaxRetryOnFailure = int(m)
156 func (*Configurator) SetSDLNotificationCB(appName string, sdlNotificationCb SDLNotificationCB) error {
157 return Sdl.Subscribe(sdlNotificationCb, fmt.Sprintf("CM_UPDATE:%s", appName))
160 func (*Configurator) GetString(key string) string {
161 return viper.GetString(key)
164 func (*Configurator) GetInt(key string) int {
165 return viper.GetInt(key)
168 func (*Configurator) GetUint32(key string) uint32 {
169 return viper.GetUint32(key)
172 func (*Configurator) GetBool(key string) bool {
173 return viper.GetBool(key)
176 func (*Configurator) Get(key string) interface{} {
177 return viper.Get(key)
180 func (*Configurator) GetStringSlice(key string) []string {
181 return viper.GetStringSlice(key)
184 func (*Configurator) GetStringMap(key string) map[string]interface{} {
185 return viper.GetStringMap(key)