MasterKenway commented on code in PR #440:
URL: https://github.com/apache/dubbo-go-pixiu/pull/440#discussion_r894984121
##########
pkg/router/route.go:
##########
@@ -58,12 +59,54 @@ func (rt *Route) ClearAPI() error {
return nil
}
-func (r *Route) RemoveAPI(api router.API) {
- r.lock.Lock()
- defer r.lock.Unlock()
+func (rt *Route) RemoveAPI(api router.API) {
lowerCasePath := strings.ToLower(api.URLPattern)
key := getTrieKey(api.Method.HTTPVerb, lowerCasePath, false)
- _, _ = r.tree.Remove(key)
+
+ rt.lock.Lock()
+ defer rt.lock.Unlock()
+ // if api is exists
+ if exists, err := rt.tree.Contains(key); err != nil {
+ logger.Errorf("rt.tree.Get(key) err: %s", err.Error())
+ return
+ } else if exists {
+ // append new cluster to the node
Review Comment:
我们的负载均衡是根据 Trie Tree 叶子节点中的 mehtod.URL
属性来获取服务提供者，原本单纯的将叶子节点进行替换会导致之前订阅到的服务器提供者被覆盖
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