🐛 fix(server): 增加优雅退出与请求超时保护

- 新增 SIGINT/SIGTERM 信号处理与 http.Server.Shutdown,退出前确保统计数据保存、数据库正常关闭
- 为 http.Server 设置 ReadHeaderTimeout/ReadTimeout/WriteTimeout/IdleTimeout,防止慢客户端长期占用连接
- 全局配置指针改为 atomic.Pointer 并提供 GetAppConfig 访问器,消除配置热更新时的数据竞争,同时删除冗余的 manager.config 字段
- 请求统计九组计数器重构为 map[string]*atomic.Int64,统一 incrementStat/getStatsSnapshot 访问,精简约 40 行样板代码
- go mod tidy 清理 go.mod 与 go.sum 中的冗余依赖条目
This commit is contained in:
chenxin committed 2026-09-29 19:47:04 +08:00
1 parent 6981148727
commit d710d382ee
12 files changed
+125 -305

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+3 -6
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@@ -9,8 +9,7 @@ import (
// HandleSearch 搜索处理
func HandleSearch(w http.ResponseWriter, r *http.Request) {
incrementTotal()
incrementSearch()
incrementStat("total", "search")
w.Header().Set("Content-Type", "application/json; charset=utf-8")
query := r.URL.Query().Get("query")
@@ -41,8 +40,7 @@ func HandleSearch(w http.ResponseWriter, r *http.Request) {
// HandleDetail 详情处理
func HandleDetail(w http.ResponseWriter, r *http.Request) {
incrementTotal()
incrementDetail()
incrementStat("total", "detail")
w.Header().Set("Content-Type", "application/json; charset=utf-8")
bookID := r.URL.Query().Get("book_id")
@@ -58,8 +56,7 @@ func HandleDetail(w http.ResponseWriter, r *http.Request) {
// HandleCatalog 目录处理
func HandleCatalog(w http.ResponseWriter, r *http.Request) {
incrementTotal()
incrementCatalog()
incrementStat("total", "catalog")
w.Header().Set("Content-Type", "application/json; charset=utf-8")
bookID := r.URL.Query().Get("book_id")