mutezebra commented on code in PR #647:
URL: https://github.com/apache/dubbo-go-pixiu/pull/647#discussion_r1913195363
##########
configcenter/nacos_load.go:
##########
@@ -81,56 +99,61 @@ func NewNacosConfig(boot *model.Bootstrap) (configClient
ConfigClient, err error
LogLevel: boot.Nacos.ClientConfig.LogLevel,
}
- pa := vo.NacosClientParam{
- ClientConfig: &cc,
- ServerConfigs: sc,
- }
- nacos, err := clients.NewConfigClient(pa)
- if err != nil {
- return nil, err
- }
- configClient = &NacosConfig{
- client: nacos,
+ clientParam := vo.NacosClientParam{
+ ClientConfig: &clientConfig,
+ ServerConfigs: serverConfigs,
}
- return configClient, nil
+ return clients.NewConfigClient(clientParam)
}
+// LoadConfig retrieves the configuration from Nacos based on the provided
parameters.
func (n *NacosConfig) LoadConfig(param map[string]interface{}) (string, error)
{
return n.client.GetConfig(vo.ConfigParam{
DataId: getOrDefault(param[KeyDataId].(string), DataId),
Group: getOrDefault(param[KeyGroup].(string), Group),
})
}
-func getOrDefault(target string, quiet string) string {
+// getOrDefault returns the target value if it is not empty; otherwise, it
returns the fallback value.
+func getOrDefault(target, fallback string) string {
if len(target) == 0 {
- target = quiet
+ return fallback
}
return target
}
-func (n *NacosConfig) ListenConfig(param map[string]interface{}) (err error) {
- // todo noop, not support
- if true {
- return nil
- }
- listen := n.listen(getOrDefault(param[KeyDataId].(string), DataId),
getOrDefault(param[KeyGroup].(string), Group))
- return listen()
+// ListenConfig listens for configuration changes in Nacos.
+func (n *NacosConfig) ListenConfig(param map[string]interface{}) error {
+ return n.client.ListenConfig(vo.ConfigParam{
+ DataId: getOrDefault(param[KeyDataId].(string), DataId),
+ Group: getOrDefault(param[KeyGroup].(string), Group),
+ OnChange: n.onChange,
+ })
}
-func (n *NacosConfig) listen(dataId, group string) func() error {
- return func() error {
- return n.client.ListenConfig(vo.ConfigParam{
- DataId: dataId,
- Group: group,
- OnChange: func(namespace, group, dataId, data string) {
- if len(data) == 0 {
- logger.Errorf("nacos listen callback
data nil error , namespace : %s，group : %s , dataId : %s , data : %s")
- return
- }
- n.listenConfigCallback(data)
- },
- })
+// onChange is the callback function triggered when the configuration changes
in Nacos.
+func (n *NacosConfig) onChange(namespace, group, dataId, data string) {
+ n.mu.Lock()
+ defer n.mu.Unlock()
+
+ if len(data) == 0 {
Review Comment:
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