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 var getPolicies = func(policies []interface{}) (plist []int) {
131 for _, p := range policies {
132 plist = append(plist, int(p.(float64)))
137 for _, v := range viper.GetStringMap("messaging")["ports"].([]interface{}) {
138 if n, ok := v.(map[string]interface{})["name"].(string); ok && n == pname {
140 if p, _ := v.(map[string]interface{})["port"].(float64); ok {
143 if m, _ := v.(map[string]interface{})["maxSize"].(float64); ok {
146 if m, _ := v.(map[string]interface{})["threadType"].(float64); ok {
147 d.ThreadType = int(m)
149 if m, _ := v.(map[string]interface{})["lowLatency"].(bool); ok {
150 d.LowLatency = bool(m)
152 if m, _ := v.(map[string]interface{})["fastAck"].(bool); ok {
155 if m, _ := v.(map[string]interface{})["maxRetryOnFailure"].(float64); ok {
156 d.MaxRetryOnFailure = int(m)
158 if policies, ok := v.(map[string]interface{})["policies"]; ok {
159 d.Policies = getPolicies(policies.([]interface{}))
166 func (*Configurator) SetSDLNotificationCB(appName string, sdlNotificationCb SDLNotificationCB) error {
167 return Sdl.Subscribe(sdlNotificationCb, fmt.Sprintf("CM_UPDATE:%s", appName))
170 func (*Configurator) GetString(key string) string {
171 return viper.GetString(key)
174 func (*Configurator) GetInt(key string) int {
175 return viper.GetInt(key)
178 func (*Configurator) GetUint32(key string) uint32 {
179 return viper.GetUint32(key)
182 func (*Configurator) GetBool(key string) bool {
183 return viper.GetBool(key)
186 func (*Configurator) Get(key string) interface{} {
187 return viper.Get(key)
190 func (*Configurator) GetStringSlice(key string) []string {
191 return viper.GetStringSlice(key)
194 func (*Configurator) GetStringMap(key string) map[string]interface{} {
195 return viper.GetStringMap(key)