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 if viper.IsSet("controls.logger.level") {
103 Logger.SetLevel(viper.GetInt("controls.logger.level"))
105 Logger.SetLevel(viper.GetInt("logger.level"))
108 if len(ConfigChangeListeners) > 0 {
109 for _, f := range ConfigChangeListeners {
118 func AddConfigChangeListener(f ConfigChangeCB) {
119 if ConfigChangeListeners == nil {
120 ConfigChangeListeners = make([]ConfigChangeCB, 0)
122 ConfigChangeListeners = append(ConfigChangeListeners, f)
125 func PublishConfigChange(appName, eventJson string) error {
126 channel := fmt.Sprintf("CM_UPDATE:%s", appName)
127 if err := Sdl.StoreAndPublish(channel, eventJson, appName, eventJson); err != nil {
128 Logger.Error("Sdl.Store failed: %v", err)
134 func GetPortData(pname string) (d PortData) {
135 var getPolicies = func(policies []interface{}) (plist []int) {
136 for _, p := range policies {
137 plist = append(plist, int(p.(float64)))
142 for _, v := range viper.GetStringMap("messaging")["ports"].([]interface{}) {
143 if n, ok := v.(map[string]interface{})["name"].(string); ok && n == pname {
145 if p, _ := v.(map[string]interface{})["port"].(float64); ok {
148 if m, _ := v.(map[string]interface{})["maxSize"].(float64); ok {
151 if m, _ := v.(map[string]interface{})["threadType"].(float64); ok {
152 d.ThreadType = int(m)
154 if m, _ := v.(map[string]interface{})["lowLatency"].(bool); ok {
155 d.LowLatency = bool(m)
157 if m, _ := v.(map[string]interface{})["fastAck"].(bool); ok {
160 if m, _ := v.(map[string]interface{})["maxRetryOnFailure"].(float64); ok {
161 d.MaxRetryOnFailure = int(m)
163 if policies, ok := v.(map[string]interface{})["policies"]; ok {
164 d.Policies = getPolicies(policies.([]interface{}))
171 func (*Configurator) SetSDLNotificationCB(appName string, sdlNotificationCb SDLNotificationCB) error {
172 return Sdl.Subscribe(sdlNotificationCb, fmt.Sprintf("CM_UPDATE:%s", appName))
175 func (*Configurator) GetString(key string) string {
176 return viper.GetString(key)
179 func (*Configurator) GetInt(key string) int {
180 return viper.GetInt(key)
183 func (*Configurator) GetUint32(key string) uint32 {
184 return viper.GetUint32(key)
187 func (*Configurator) GetBool(key string) bool {
188 return viper.GetBool(key)
191 func (*Configurator) Get(key string) interface{} {
192 return viper.Get(key)
195 func (*Configurator) GetStringSlice(key string) []string {
196 return viper.GetStringSlice(key)
199 func (*Configurator) GetStringMap(key string) map[string]interface{} {
200 return viper.GetStringMap(key)